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WO2019230800A1 - Système de soupape - Google Patents

Système de soupape Download PDF

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Publication number
WO2019230800A1
WO2019230800A1 PCT/JP2019/021307 JP2019021307W WO2019230800A1 WO 2019230800 A1 WO2019230800 A1 WO 2019230800A1 JP 2019021307 W JP2019021307 W JP 2019021307W WO 2019230800 A1 WO2019230800 A1 WO 2019230800A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
valve
cover
valve body
partition wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2019/021307
Other languages
English (en)
Japanese (ja)
Inventor
龍希 辻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2018233807A external-priority patent/JP7099294B2/ja
Application filed by Denso Corp filed Critical Denso Corp
Publication of WO2019230800A1 publication Critical patent/WO2019230800A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/14—Controlling of coolant flow the coolant being liquid
    • F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
    • F16K11/076—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with sealing faces shaped as surfaces of solids of revolution
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor

Definitions

  • This disclosure relates to a valve device.
  • a partition wall that separates a drive unit that rotationally drives a valve body and an internal space of the housing is fixed to an opening of the housing.
  • the partition wall is fixed to the housing by a fastening member.
  • the fastening member is screwed into a fastening hole formed in the housing.
  • the fixing portion of the housing in which the fastening hole is formed may interfere with the pipe member of the valve device. Therefore, there is a possibility that the degree of freedom of mounting the pipe member is lowered. In a space where a vehicle engine is mounted, there is a great restriction on mounting the valve device in a narrow space, and if the degree of freedom of mounting the pipe member is low, it may be difficult to mount the valve device on the vehicle.
  • An object of the present disclosure is to provide a valve device having a high degree of freedom for mounting a pipe member.
  • Housing side cover fixing portion capable of controlling cooling water of a heating element of a vehicle, and includes a housing, a valve, a pipe member, a partition wall portion, a driving portion cover, a driving portion, and a fixing member.
  • the housing side cover fixing part has a cover fixing base part protruding from the outer wall of the housing body, and a cover fixing protrusion part protruding from the cover fixing base part to the cover fixing part side and fixed to the cover fixing part. At least a part of the pipe member is located on the opposite side of the cover fixing projection with respect to the cover fixing base.
  • valve device can be easily mounted in a narrow space of the vehicle.
  • FIG. 1 is a schematic diagram showing a cooling system to which the valve device of the first embodiment is applied.
  • FIG. 2 is a schematic diagram showing an arrangement of the valve device of the first embodiment in a vehicle.
  • FIG. 3 is a cross-sectional view showing the valve device of the first embodiment
  • FIG. 4 is a cross-sectional view showing the vicinity of the seal unit of the valve device of the first embodiment
  • FIG. 5 is a cross-sectional perspective view showing the valve device of the first embodiment
  • 6 is a cross-sectional view taken along line VI-VI in FIG. FIG.
  • FIG. 7 is a diagram showing the relationship between the rotational position of the valve body of the valve device of the first embodiment and the open / closed state of the valve body opening
  • FIG. 8 is a view of FIG. 3 as viewed from the direction of arrow VIII.
  • FIG. 9 is a diagram of FIG. 3 viewed from the direction of the arrow IX.
  • FIG. 10 is a perspective view showing a part of the valve device of the first embodiment.
  • FIG. 11 is a cross-sectional view showing the vicinity of the drive unit of the valve device of the first embodiment.
  • FIG. 12 is a cross-sectional view showing the vicinity of the drive unit of the valve device of the first embodiment
  • FIG. 13 is a cross-sectional view showing the vicinity of the drive unit of the valve device of the first embodiment, FIG.
  • FIG. 14 is a cross-sectional view showing the vicinity of the drive unit of the valve device of the first embodiment
  • FIG. 15 is a plan view showing a drive unit of the valve device of the first embodiment
  • FIG. 16 is a cross-sectional view showing the vicinity of the drive unit of the valve device of the first embodiment
  • FIG. 17 is an exploded perspective view showing a part of the drive unit cover and the drive unit of the valve device of the first embodiment
  • FIG. 18 is an exploded perspective view showing a drive unit cover and a part of the drive unit of the valve device of the first embodiment.
  • FIG. 19 is a diagram illustrating a drive unit of the valve device according to the second embodiment.
  • FIG. 20 is a view showing a valve of the valve device of the third embodiment, FIG.
  • FIG. 21 is a diagram showing a part of a valve of the valve device of the third embodiment
  • FIG. 22 is a perspective view showing a valve of the valve device of the third embodiment
  • FIG. 23 is a perspective view showing a valve of the valve device of the third embodiment
  • FIG. 24 is a diagram showing a part of a valve of the valve device of the third embodiment
  • FIG. 25 is a cross-sectional view showing a part of a valve and a seal unit of the valve device of the third embodiment
  • FIG. 26 is a perspective view showing a valve and a seal unit of the valve device of the third embodiment
  • FIG. 27 is a perspective view showing a part of a valve of the valve device of the third embodiment
  • FIG. 22 is a perspective view showing a valve of the valve device of the third embodiment
  • FIG. 23 is a perspective view showing a valve of the valve device of the third embodiment
  • FIG. 24 is a diagram showing a part of a valve of the valve device of the third embodiment
  • FIG. 25 is
  • FIG. 28 is a cross-sectional view showing a part of a valve of the valve device of the third embodiment
  • FIG. 29 is a diagram for explaining a manufacturing process of the valve of the valve device according to the third embodiment
  • FIG. 30 is a view for explaining a manufacturing process of the valve of the valve device of the third embodiment
  • FIG. 31 is a diagram for explaining a manufacturing process of the valve of the valve device of the third embodiment
  • FIG. 32 is a diagram for explaining a manufacturing process of the valve of the valve device according to the third embodiment.
  • FIG. 33 is a cross-sectional view showing a part of a valve and a seal unit of the valve device of the fourth embodiment
  • FIG. 34 is a cross-sectional view showing a part of the valve of the valve device of the fifth embodiment
  • FIG. 35 is a perspective view showing a mold apparatus used in the valve manufacturing process of the valve apparatus of the fifth embodiment
  • FIG. 36 is a perspective view showing a part of a mold apparatus used in the valve manufacturing process of the valve apparatus of the fifth embodiment
  • FIG. 37 is a perspective view showing a part of a mold apparatus used in the valve manufacturing process of the valve apparatus of the fifth embodiment
  • FIG. 38 is a perspective view showing a part of a mold apparatus used in the valve manufacturing process of the valve apparatus of the fifth embodiment
  • FIG. 39 is a diagram for explaining a manufacturing process of the valve of the valve device according to the fifth embodiment.
  • FIG. 40 is a diagram for explaining a manufacturing process of the valve of the valve device according to the fifth embodiment.
  • FIG. 40 is a diagram for explaining a manufacturing process of the valve of the valve device according to the fifth embodiment.
  • FIG. 41 is a diagram for explaining a manufacturing process of the valve of the valve device according to the fifth embodiment.
  • FIG. 42 is a cross-sectional view showing the valve device of the sixth embodiment
  • FIG. 43 is a view showing the valve device of the sixth embodiment
  • FIG. 44 is a schematic diagram showing an arrangement of the valve device of the sixth embodiment in a vehicle.
  • FIG. 45 is a view showing a valve device of a sixth embodiment
  • FIG. 46 is a perspective view showing the valve device of the sixth embodiment
  • 47 is a diagram of FIG. 42 viewed from the direction of arrow XLVII.
  • FIG. 48 is a perspective view showing the valve device of the sixth embodiment
  • FIG. 49 is a diagram showing a part of the valve device of the sixth embodiment
  • FIG. 50 is a cross-sectional view showing a pipe member, a seal unit, and a gasket of the valve device of the sixth embodiment.
  • FIG. 51 is an exploded view showing a part of the valve device of the sixth embodiment
  • FIG. 52 is a cross-sectional view showing the vicinity of the partition wall through-hole of the valve device of the sixth embodiment
  • FIG. 53 is a cross-sectional view showing the vicinity of the partition wall through-hole of the valve device of the seventh embodiment
  • FIG. 54 is a cross-sectional view showing the vicinity of the partition wall through-hole of the valve device of the eighth embodiment
  • FIG. 55 is a cross-sectional view showing the vicinity of the partition wall through-hole of the valve device of the ninth embodiment, FIG.
  • FIG. 56 is a view showing a partition wall through hole of the valve device of the tenth embodiment
  • FIG. 57 is a view showing a partition wall through-hole of the valve device of the tenth embodiment
  • FIG. 58 is a diagram showing a partition through hole of the valve device of the eleventh embodiment
  • FIG. 59 is a cross-sectional view showing the vicinity of the partition wall through-hole of the valve device of the twelfth embodiment
  • FIG. 60 is a view showing a partition wall through-hole of the valve device according to the thirteenth embodiment.
  • FIG. 61 is a diagram showing a valve device according to a fourteenth embodiment
  • 62 is a diagram of FIG. 61 viewed from the direction of the arrow LXII
  • 63 is a diagram of FIG.
  • FIG. 61 viewed from the direction of the arrow LXIII
  • 64 is a diagram of FIG. 61 viewed from the direction of the arrow LXIV.
  • FIG. 65 is a view of FIG. 61 viewed from the direction of the arrow LXV.
  • 66 is a diagram of FIG. 62 viewed from the direction of the arrow LXVI.
  • 67 is a cross-sectional view taken along line LXVII-LXVII in FIG.
  • 68 is a cross-sectional view taken along line LXVIII-LXVIII of FIG.
  • 69 is a cross-sectional view taken along line LXIX-LXIX of FIG. 70 is a cross-sectional view taken along line LXX-LXX in FIG.
  • FIG. 71 is a cross-sectional view taken along line LXXI-LXXI of FIG. 72 is a cross-sectional view taken along line LXXII-LXXII of FIG.
  • FIG. 73 is a sectional view taken along line LXXIII-LXXIII in FIG.
  • FIG. 74 is a perspective view showing the valve device of the fourteenth embodiment
  • FIG. 75 is a perspective view showing a valve device according to a fourteenth embodiment
  • FIG. 76 is a perspective view showing a valve device according to a fourteenth embodiment
  • FIG. 77 is a perspective view showing a valve device according to a fourteenth embodiment
  • FIG. 78 is an exploded view showing a part of the valve device according to the fourteenth embodiment.
  • FIG. 80 is a diagram illustrating a drive unit cover and a part of the drive unit of the valve device according to the fourteenth embodiment.
  • FIG. 81 is a view showing a holding member of the valve device of the fourteenth embodiment
  • 82 is a view of FIG. 81 viewed from the direction of the arrow LXXXII
  • FIG. 83 is a plan view showing a drive unit of the valve device of the fourteenth embodiment
  • 84 is a cross-sectional view taken along line LXXIV-LXXXIV of FIG.
  • FIG. 85 is an exploded perspective view showing a drive unit cover and a part of the drive unit of the valve device of the fourteenth embodiment
  • FIG. 86 is an exploded perspective view showing a drive unit cover and a part of the drive unit of the valve device of the fourteenth embodiment
  • FIG. 87 is a diagram illustrating a drive unit cover and a part of the drive unit of the valve device according to the first embodiment.
  • FIG. 88 is a view showing a holding member of the valve device of the first embodiment
  • 89 is a diagram of FIG. 88 viewed from the direction of the arrow LXXXIX.
  • FIG. 90 is a view showing a valve of the valve device of the fourteenth embodiment
  • 91 is a diagram of FIG. 90 viewed from the direction of the arrow XCI.
  • FIG. 92 is a view of FIG. 90 as seen from the direction of arrow XCII.
  • FIG. 93 is a view of FIG. 90 viewed from the direction of arrow XCIII.
  • FIG. 94 is a view of FIG. 90 viewed from the direction of arrow XCIV.
  • FIG. 95 is a view of FIG. 93 viewed from the direction of the arrow XCV.
  • 96 is a cross-sectional view taken along line XCVI-XCVI of FIG.
  • FIG. 97 is a perspective view showing a valve of the valve device of the fourteenth embodiment
  • FIG. 98 is a perspective view showing a valve of the valve device of the fourteenth embodiment;
  • FIG. 99 is a perspective view showing a valve and a seal unit of the valve device of the fourteenth embodiment
  • FIG. 100 is a diagram illustrating a part of a valve of the valve device according to the fourteenth embodiment.
  • FIG. 101 is a perspective view showing a part of a valve of the valve device of the fourteenth embodiment;
  • FIG. 102 is an exploded perspective view showing a part of the valve of the valve device according to the fourteenth embodiment.
  • FIG. 103 is a cross-sectional view showing a partition wall portion of the valve device of the fourteenth embodiment;
  • FIG. 104 is a perspective view showing a part of the partition wall of the valve device according to the fourteenth embodiment.
  • FIG. 105 is a cross-sectional view showing the shaft bearing portion of the valve device according to the fourteenth embodiment and the vicinity thereof.
  • FIG. 106 is a cross-sectional view showing the shaft bearing portion of the valve device according to the fourteenth embodiment and the vicinity thereof.
  • FIG. 107 is a cross-sectional perspective view showing the shaft bearing portion of the valve device according to the fourteenth embodiment and the vicinity thereof.
  • 108 is a cross-sectional view taken along line CVIII-CVIII in FIG.
  • FIG. 109 is a cross-sectional view showing a gap between the valve body and the inner wall of the valve device of the fourteenth embodiment;
  • FIG. 110 is a diagram illustrating a housing of a valve device according to a fourteenth embodiment.
  • FIG. 111 is a perspective view showing a housing of the valve device of the fourteenth embodiment
  • 112 is a cross-sectional view taken along line CXII-CXII of FIG.
  • FIG. 113 is a diagram illustrating the relationship between the rotational position of the valve body of the valve device according to the fifteenth embodiment and the opening of the port
  • FIG. 114 is a diagram showing the relationship between the rotational position of the valve body of the valve device of the fifteenth embodiment and the polymerization ratio of the valve body opening and the port
  • FIG. 115 is a view showing a valve device according to a sixteenth embodiment.
  • FIG. 116 is a view showing a valve of the valve device of the seventeenth embodiment, FIG.
  • FIG. 117 is a view showing a valve of the valve device of the eighteenth embodiment
  • FIG. 118 is a cross-sectional view showing a part of the partition wall portion of the valve device of the nineteenth embodiment
  • FIG. 119 is a cross-sectional view showing a partition wall portion and its vicinity of the valve device of the twentieth embodiment
  • FIG. 120 is a view showing a housing of the valve device of the 21st embodiment
  • FIG. 121 is a perspective view showing a housing of the valve device of the twenty-first embodiment
  • FIG. 122 is a diagram showing the relationship between the rotational position of the valve body of the valve device of the 22nd embodiment and the polymerization rate of the valve body opening and the port;
  • FIG. 123 is a diagram showing the relationship between the rotational position of the valve body of the valve device of the 23rd embodiment and the polymerization ratio of the valve body opening and the port;
  • FIG. 124 is a diagram illustrating the relationship between the rotational position of the valve body of the valve device of the twenty-fourth embodiment and the opening of the port;
  • FIG. 125 is a diagram illustrating the relationship between the rotational position of the valve body of the valve device according to the twenty-fourth embodiment and the polymerization ratio between the valve body opening and the port;
  • FIG. 126 is a cross-sectional view showing a shaft seal portion and its vicinity of a valve device according to a 25th embodiment,
  • FIG. 127 is a schematic diagram showing a cooling system to which the valve device of the twenty-sixth embodiment is applied.
  • valve devices according to a plurality of embodiments will be described with reference to the drawings. Note that, in a plurality of embodiments, substantially the same components are denoted by the same reference numerals, and description thereof is omitted. In the plurality of embodiments, substantially the same constituent parts have the same or similar operational effects.
  • FIG. 1 A valve device and a cooling system according to the first embodiment are shown in FIG.
  • the valve device 10 is applied to the cooling system 9 of the vehicle 1.
  • the vehicle 1 is equipped with an internal combustion engine (hereinafter referred to as “engine”) 2 as a heating element, a cooling system 9, a heater 6, a device 7, and the like.
  • engine internal combustion engine
  • the cooling system 9 includes a valve device 10, a water pump 4, a radiator 5, an electronic control unit (hereinafter referred to as “ECU”) 8, and the like.
  • the water pump 4 pumps the cooling water toward the water jacket 3 of the engine 2.
  • the valve device 10 is provided at the outlet of the water jacket 3, for example, and adjusts the flow rate of the cooling water sent to the radiator 5, the heater 6, and the device 7.
  • the radiator 5 is a heat exchanger, and performs heat exchange between the cooling water and air to lower the temperature of the cooling water.
  • the heater 6 and the device 7 are provided between the valve device 10 and the water pump 4.
  • the device 7 includes, for example, an oil cooler, an EGR cooler, an ATF (automatic transmission oil) cooler, and the like.
  • the ECU 8 can control the operation of the valve device 10 and control the flow rate of the cooling water sent to the radiator 5, the heater 6, and the device 7.
  • the valve device 10 includes a housing 20, a valve 30, a seal unit 35, a pipe member 50, a partition wall 60, a driving unit 70, a driving unit cover 80, and the like.
  • the housing 20 has a housing body 21 and the like.
  • the housing body 21 is made of, for example, resin, and forms an internal space 200 inside.
  • a flat mounting surface 201 is formed on the outer wall of the housing body 21.
  • a flat pipe mounting surface 202 is formed on the outer wall of the housing body 21 opposite to the mounting surface 201.
  • the attachment surface 201 is formed so as to be substantially parallel to the pipe attachment surface 202.
  • the housing body 21 is a part of the housing 20 that forms the internal space 200. Therefore, fastening portions 231 to 233, housing side fixing portions 251 to 256, a housing connection portion 259, and housing side cover fixing portions 291 to 296, which will be described later, are portions constituting the housing 20, but are different from the housing main body 21. It is formed as.
  • the housing body 21 has a housing opening 210 that connects the internal space 200 and the outside of the housing body 21.
  • the housing body 21 has a cylindrical housing inner wall 211 having one end connected to the housing opening 210 to form the internal space 200.
  • the housing inner wall 211 is formed so that the shaft is substantially parallel to the attachment surface 201 and the pipe attachment surface 202.
  • a housing opening 210 is formed on one end side in the longitudinal direction of the housing body 21, and the other end side in the longitudinal direction is a closed surface.
  • the housing 20 has an inlet port 220 that opens to the mounting surface 201 and connects the internal space 200 and the outside of the housing body 21.
  • the opening of the inlet port 220 in the mounting surface 201 is circular.
  • the inlet port 220 corresponds to “port” and “first port”.
  • the housing 20 has outlet ports 221, 222, and 223 that open to the pipe mounting surface 202 and connect the internal space 200 and the outside of the housing body 21.
  • the exit ports 221, 222, and 223 correspond to “port” and “second port”.
  • the opening of the inlet port 220 is formed in a portion of the housing inner wall 211 that faces the portion where the openings of the outlet ports 221 to 223 are formed.
  • the housing 20 has a relief port 224 that opens in the pipe mounting surface 202 and connects the internal space 200 and the outside of the housing body 21.
  • the inlet port 220 and the relief port 224 partially overlap (see FIG. 9).
  • the outlet ports 221, 222, and 223 are formed so as to be arranged in this order from the end of the housing body 21 opposite to the housing opening 210 toward the housing opening 210.
  • the inner diameter of the outlet port 221 is larger than the inner diameter of the outlet ports 222 and 223.
  • the valve 30 has a valve body 31, a shaft 32, and the like.
  • the valve body 31 is made of, for example, resin.
  • the valve body 31 is provided in the internal space 200 so as to be rotatable around the rotation axis Axr1.
  • the rotation axis Axr1 is set to be substantially parallel to the axis of the housing inner wall 211.
  • the valve body 31 includes a first divided body 33 and a second divided body 34 that are divided into two by a virtual plane Vp1 including the rotation axis Axr1, and the first divided body 33 and the second divided body 34 are joined to each other. The surfaces are joined (see FIG. 6).
  • the valve element 31 has ball valves 41, 42, 43, a cylindrical connection part 44, and a cylindrical valve connection part 45.
  • the ball valves 41, 42, and 43 correspond to “first ball valve”, “second ball valve”, and “third ball valve”, respectively.
  • the cylindrical connecting portion 44 and the cylindrical valve connecting portion 45 correspond to “cylindrical portions”.
  • Each of the ball valves 41, 42, and 43 is formed in a substantially spherical shape, and forms a valve body passage 300 inside.
  • the outer peripheral walls of the ball valves 41, 42, and 43 are formed in a spherical shape that protrudes outward in the diameter direction of the rotation axis Axr1.
  • the inner peripheral walls of the ball valves 41, 42, 43 are formed in a spherical shape so as to be recessed outward of the diameter of the rotation axis Axr1.
  • the cylindrical connecting portion 44 is formed in a cylindrical shape so as to connect the ball valve 41 and the ball valve 42.
  • the cylindrical valve connecting portion 45 is formed in a cylindrical shape so as to connect the ball valve 42 and the ball valve 43.
  • the cylindrical valve connection part 45 forms the valve body flow path 300 inside.
  • the ball valve 41, the cylindrical connection portion 44, the ball valve 42, the cylindrical valve connection portion 45, and the ball valve 43 are integrally formed in this order.
  • valve body openings 410, 420, and 430 that connect the valve body flow path 300 and the outside of the valve body 31 are formed.
  • An inter-valve space 400 is formed between the ball valve 41 and the ball valve 42 on the radially outer side of the cylindrical connecting portion 44. The inter-valve space 400 communicates with the valve body flow paths 300 of the ball valves 41 and 42.
  • valve body opening 410 corresponds to the position of the outlet port 221
  • the inter-valve space 400 corresponds to the position of the inlet port 220
  • the valve body opening 420 corresponds to the outlet port 222
  • the valve body opening 430 is provided in the internal space 200 so as to correspond to the position of the outlet port 223.
  • the shaft 32 is formed in a rod shape with, for example, metal, and is provided on the rotation axis Axr1.
  • the shaft 32 is provided integrally with the valve body 31.
  • the shaft 32 can rotate around the rotation axis Axr1 together with the valve body 31.
  • the shaft 32 is made of stainless steel such as SUS430.
  • the rotation axis Axr1 is set to extend from the outside of the housing body 21 to the outside of the drive unit cover 80. That is, the rotation axis Axr1 is defined as a straight line that exists not only in the internal space 200 but also outside the housing body 21.
  • the shaft 32 is provided on the rotation axis Axr1 such that the axis is along the rotation axis Axr1.
  • the valve body 31 is provided in the internal space 200 so as to be rotatable around the rotation axis Axr1.
  • the shaft 32 is provided on a straight line along the rotation axis Axr1. That is, the shaft 32 is provided on at least a part of the rotation axis Axr1.
  • the shaft 32 flows from the outside of the first outermost end surface 301 that is one end surface of the valve body 31 in the direction of the rotation axis Axr1 to the inside of the valve body 31. It passes through the path 300 and extends to the outside of the second outermost end surface 302 that is the other end surface.
  • the shaft 32 may be provided so as to extend from the outside of the first outermost end surface 301 of the valve body 31 to the inner wall of the valve body 31 so as not to protrude into the valve body flow path 300. That is, the shaft 32 does not have to exist in the valve body flow path 300 or the internal space 200, and provided at any position with respect to the valve body 31 as long as the shaft 32 is provided on a straight line along the rotation axis Axr1. It may be done.
  • the pipe member 50 is made of, for example, resin. As shown in FIGS. 3 and 8, the pipe member 50 includes pipe portions 511 to 517, a pipe connecting portion 52, and the like. Each of the pipe portions 511 to 517 is formed in a cylindrical shape.
  • the pipe part 511 is provided so that one end is located inside the outlet port 221.
  • the pipe portion 512 is provided so that one end is located inside the outlet port 222.
  • the pipe portion 513 is provided so that one end is located inside the outlet port 223.
  • the pipe portion 514 is provided so that one end thereof corresponds to the position of the relief port 224.
  • the pipe part 515 is provided so that one end is connected to the pipe part 511 and the pipe part 514.
  • the pipe part 516 is provided so that one end is connected to the pipe part 511.
  • the pipe portion 517 is provided so that one end is connected to the pipe portion 512.
  • the pipe connecting part 52 is formed to connect one end side of the pipe parts 511 to 515.
  • the pipe member 50 is fixed to the housing main body 21 so that the pipe connecting portion 52 contacts the pipe mounting surface 202. Between the pipe connecting portion 52 and the pipe mounting surface 202, a gasket 509 is provided that can hold the pipe member 50 and the housing body 21 in a liquid-tight manner.
  • the other end of the pipe parts 511, 514, 515 is connected to the radiator 5 via a hose or the like.
  • the other end of the pipe part 512 is connected to the heater 6 via a hose or the like.
  • the other end of the pipe part 513 is connected to the device 7 via a hose or the like.
  • the other end of the pipe portion 516 is connected to a reservoir tank (not shown) via a hose or the like.
  • the other end of the pipe part 517 is connected to a throttle (not shown) via a hose or the like.
  • the seal unit 35 is provided in each of the outlet ports 221, 222, and 223. As shown in FIG. 4, the seal unit 35 includes a valve seal 36, a sleeve 371, a spring 372, and a seal member 373.
  • the valve seal 36 is formed in a substantially annular shape with, for example, resin, and has a seal opening 360 inside.
  • the valve seal 36 is provided so that one surface thereof is in contact with the outer peripheral wall of the valve body 31, and can be liquid-tightly maintained between the valve seal 36 and the outer peripheral wall of the valve body 31.
  • the valve seal 36 is made of, for example, a material in which PTFE (polytetrafluoroethylene) is mixed with 14% graphite and 1% CF (carbon fiber). Therefore, the valve seal 36 has a lower friction coefficient than the valve body 31 and the like, and has improved wear resistance, compressive strength, and creep resistance.
  • PTFE polytetrafluoroethylene
  • the sleeve 371 is formed in a cylindrical shape from, for example, metal, and holds the valve seal 36 at one end. The other end of the sleeve 371 is located inside one end of the pipe portion 511.
  • the spring 372 is provided between one end of the sleeve 371 and one end of the pipe portion 511, and urges the valve seal 36 together with the sleeve 371 toward the valve body 31.
  • the seal member 373 is formed in an annular shape by rubber, for example, is provided between one end of the pipe portion 511 and the outer peripheral wall of the sleeve 371, and can hold the space between the pipe portion 511 and the sleeve 371 in a liquid-tight manner.
  • the sleeve 371 is made of stainless steel such as SUS430. Therefore, the corrosion resistance of the sleeve 371 is relatively high. Also, since SUS430 has good pressability, the sleeve 371 can be easily pressed.
  • seal units 35 provided at the outlet ports 222 and 223 are configured in the same manner as the seal unit 35 provided at the outlet port 221, description thereof will be omitted.
  • the three seal units 35 are assembled to one ends of the pipe portions 511, 512, and 513, respectively.
  • the sleeve 371, the spring 372, and the valve seal 36 of the seal unit 35 provided in the outlet ports 222 and 223 are smaller in outer diameter than the sleeve 371, the spring 372, and the valve seal 36 of the seal unit 35 provided in the outlet port 221.
  • the spring load of the spring 372 of each seal unit 35 provided in the outlet ports 221 to 223 is set to a load that satisfies a necessary leakage amount for compressing and sealing the valve seal 36.
  • the leakage target is different depending on the size, and the physique is also different. Therefore, the spring constant is also different depending on the size.
  • the spring 372 is made of stainless steel such as SUS316. Therefore, the spring 372 has good spring properties and high corrosion resistance. Thereby, the stress corrosion cracking of the spring 372 can be suppressed.
  • the partition wall 60 is made of, for example, resin.
  • the partition wall 60 is formed separately from the housing body 21.
  • the partition wall 60 has a partition wall body 61 and the like.
  • the partition wall body 61 is formed in a substantially disk shape.
  • the partition wall 60 is provided in the housing body 21 so that the partition wall body 61 closes the housing opening 210.
  • the partition wall 60 has a shaft insertion hole 62 that penetrates the center of the partition wall body 61 in the thickness direction.
  • the valve 30 is provided such that one end of the shaft 32 is inserted through the shaft insertion hole 62.
  • One end of the shaft 32 is supported by the partition wall body 61 and the other end is supported by the housing body 21.
  • the drive unit cover 80 is provided on the side opposite to the internal space 200 with respect to the partition wall 60, and forms a drive space 800 between the partition wall 60.
  • the drive unit 70 is provided in the drive unit space 800 and can rotate the valve body 31 via one end of the shaft 32.
  • the drive unit 70 includes a motor 71, a gear unit 72, and the like.
  • the gear part 72 is connected to one end of the shaft 32.
  • the relief port 224 is provided with a relief valve 39.
  • the relief valve 39 is opened when a predetermined condition, for example, when the temperature of the cooling water is equal to or higher than a predetermined temperature, and is opened outside the internal space 200 and the housing body 21 via the relief port 224, that is, inside the pipe portion 515.
  • the communication with the space is allowed, and when the temperature of the cooling water becomes lower than a predetermined temperature, the communication is cut off.
  • the relief valve 39 is provided at a position facing the inlet port 220 with the inter-valve space 400 interposed therebetween. That is, the relief valve 39 is provided at a position where it can be seen from the inlet port 220. More specifically, the relief valve 39 is visible at least partially when viewed from the axial direction of the inlet port 220.
  • the cooling water flowing into the internal space 200 from the inlet port 220 can be directly applied to the relief valve 39, and the relief valve 39 can be quickly opened according to the temperature of the cooling water.
  • the partition wall 60 is formed with a C-shaped regulating recess 63 that is recessed from the surface of the partition wall body 61 on the inner space 200 side to the drive unit 70 side.
  • a regulating portion 631 is formed between the circumferential ends of the regulating recess 63.
  • the valve body 31 includes a first restriction convex portion 332 that extends from the end surface on the drive portion 70 side to the restriction concave portion 63 and has a tip portion located in the restriction concave portion 63.
  • a convex portion 342 is formed.
  • the rotation of the valve body 31 is restricted when the first restriction convex part 332 comes into contact with the restriction part 631 and when the second restriction convex part 342 comes into contact with the restriction part 631. That is, the valve body 31 is rotatable in a range from a position where the first restriction convex part 332 contacts the restriction part 631 to a position where the second restriction convex part 342 contacts the restriction part 631.
  • the valve device 10 is attached to the engine 2 so that the inlet port 220 is connected to the outlet of the water jacket 3. Therefore, the cooling water that has flowed into the internal space 200 from the inlet port 220 flows into the valve body flow path 300 via the inter-valve space 400. Further, when the valve body openings 430, 420, 410 and the respective seal openings 360 are overlapped by the rotation of the valve body 31, the cooling water flows from the valve body flow path 300 to the valve body opening according to the overlapping area. It flows to the device 7, the heater 6, and the radiator 5 through 430, 420, and 410.
  • the ECU 8 controls the operation of the motor 71 and controls the rotational position of the valve body 31 so that cooling water can flow through the device 7 and heat exchange can be performed in the device 7. Therefore, the engine oil and EGR gas are cooled to improve fuel efficiency. Can be improved. Moreover, since cooling water can be flowed through the heater 6 and heat can be exchanged between the air in the vehicle 1 and the cooling water, the inside of the vehicle 1 can be warmed.
  • valve body 7 shows the rotational position (horizontal axis) of the valve body 31 and the open / closed state (vertical axis) of the valve body openings 430, 420, 410, that is, the valve body openings 430, 420, 410 and the respective seal openings. It is a figure which shows the relationship with 360 and an overlapping area.
  • the overlapping area of the valve body openings 430, 420, 410 and the respective seal openings 360 corresponds to the flow path area of the cooling water to the device 7, the heater 6, and the radiator 5.
  • the ECU 8 selects a “normal mode” used when there is a request to flow cooling water through the heater 6 (heater request) and a “heater cut mode” used when there is no heater request, and the valve body 31. Rotate. In the “normal mode” and the “heater cut mode”, all the valve body openings 430, 420, and 410 are closed by the outer peripheral wall of the valve body 31 (fully closed state: see FIG. 3). A region (region d) where the flow rate of the cooling water to the radiator 5 is zero is separated. In the region d, the flow of cooling water to the device 7, the heater 6, and the radiator 5 is blocked.
  • the water flow to the heater 6 has the highest priority.
  • FIG. 7 when the valve body 31 is rotated in the direction proceeding to the right from the region d, the rotational position of the valve body 31 is shifted to a region (region c) adjacent to the region d. In the area c, the valve element opening 420 starts to open, and the cooling water starts to flow into the heater 6.
  • the valve body opening 420 is completely opened, and the rotational position of the valve body 31 is shifted to a region (region b) adjacent to the region c. In the region b, the valve body opening 430 starts to open, and the cooling water starts to flow into the device 7.
  • valve body opening 430 When the valve body 31 is further rotated, the valve body opening 430 is completely opened, and the rotational position of the valve body 31 shifts to a region (region a) adjacent to the region b. In the region a, the valve body opening 410 starts to open, and the cooling water starts to flow into the radiator 5. When the valve body 31 is further rotated, the valve body opening 410 is completely opened (fully opened state). Note that the rotational position of the valve body 31 at which the valve body opening 410 is completely opened corresponds to the rotation limit of the valve body 31, and at this time, the first restriction convex part 332 is in contact with the restriction part 631. (See FIG. 6).
  • the rotational position of the valve body 31 shifts to a region (region g) adjacent to the region f.
  • region g the valve body opening 410 starts to open, and the cooling water starts to flow into the radiator 5.
  • the valve body opening 410 is completely opened.
  • the ECU 8 can achieve both fuel efficiency and air conditioning performance by rotationally driving the valve body 31 based on the “normal mode” and the “heater cut mode” shown in FIG.
  • the engine 2 is assembled with an intake manifold 11, an alternator 12, a water pump 4, a compressor 13, a starter 14, a transmission 15, and the like.
  • the valve device 10 is attached to the engine 2 in a narrow space A1 between the alternator 12 and the intake manifold 11.
  • the valve device 10 is attached to the engine 2 such that the drive unit 70 side faces downward in the vertical direction. Therefore, air such as vapor generated in the internal space 200 or the like moves upward in the vertical direction and is discharged to the reservoir tank via the pipe portion 516.
  • the narrow space A1 in which the valve device 10 is arranged is formed between the alternator 12 and the intake manifold 11 that are attached to the engine 2 so as to be aligned in the horizontal direction.
  • a compressor 13 is disposed below the narrow space A1 in the vertical direction. Therefore, the valve device 10 provided in the narrow space A1 is surrounded by the alternator 12, the intake manifold 11, and the compressor 13.
  • the housing 20 has fastening portions 231, 232, and 233 formed integrally with the housing main body 21.
  • the fastening portions 231, 232, and 233 are formed so as to protrude in the surface direction of the mounting surface 201 from the end of the housing body 21 on the mounting surface 201 side.
  • the housing 20 has fastening holes 241, 242, 243 formed corresponding to the fastening portions 231, 232, 233, respectively.
  • the fastening holes 241, 242, and 243 correspond to a “first fastening hole”, a “second fastening hole”, and a “third fastening hole”, respectively.
  • the fastening member 240 is inserted into the fastening holes 241, 242, and 243 and fastened to the engine 2. Thereby, the valve device 10 is attached to the engine 2.
  • An annular rubber port seal member 209 is provided on the outer side in the radial direction of the inlet port 220 of the mounting surface 201.
  • the port seal member 209 is compressed by the axial force of the fastening member 240 when the valve device 10 is attached to the engine 2.
  • the port seal member 209 can keep the mounting surface 201 and the engine 2 in a liquid-tight state, and can prevent the coolant from leaking from the inlet port 220 through the mounting surface 201 and the engine 2. .
  • the port seal member 209 is made of rubber such as EPDM (ethylene propylene rubber). Therefore, cost can be reduced.
  • the port seal member 209 may be formed of H-NBR, for example. In this case, the oil resistance of the port seal member 209 can be improved. Further, the port seal member 209 may be formed by, for example, FKM. In this case, the water resistance and heat resistance of the port seal member 209 can be improved. Therefore, it is suitable for use as an engine component that is easily affected by heat.
  • the fastening hole 241 is formed on the radially outer side of the opening of the inlet port 220 in the mounting surface 201.
  • the fastening hole 242 is formed so as to sandwich the opening of the inlet port 220 between the fastening hole 241.
  • the fastening hole 243 is formed on the drive unit 70 side with respect to the fastening holes 241 and 242.
  • the present embodiment is a valve device 10 that can control the cooling water of the engine 2 of the vehicle 1, and includes the housing 20, the valve 30, the partition wall portion 60, and the drive portion 70.
  • the housing 20 has a housing main body 21 that forms an internal space 200 on the inner side, an attachment surface 201 that faces the engine 2 when formed on the outer wall of the housing main body 21 and is attached to the engine 2, and opens to the mounting surface 201. And the outside of the housing main body 21, the plurality of fastening portions (231, 232, 233) formed integrally with the housing main body 21, and the plurality of fastening portions, respectively. It has a plurality of fastening holes (241, 242, 243).
  • the valve 30 is provided in a valve body 31 that can rotate around the rotation axis Axr1 in the internal space 200, a valve body passage 300 that is formed inside the valve body 31 and that can communicate with the inlet port 220, and the rotation axis Axr1.
  • a shaft 32 is provided in a valve body 31 that can rotate around the rotation axis Axr1 in the internal space 200, a valve body passage 300 that is formed inside the valve body 31 and that can communicate with the inlet port 220, and the rotation axis Axr1.
  • the partition wall 60 separates the internal space 200 from the outside of the housing body 21.
  • the drive unit 70 is provided on the side opposite to the internal space 200 with respect to the partition wall unit 60, and can rotate the valve body 31 via the shaft 32.
  • the housing body 21 is fixed to the engine 2 by a fastening member 240 that is screwed into the engine 2 through the fastening holes (241, 242, 243).
  • the fastening holes are a first fastening hole (241) formed radially outside the opening of the inlet port 220, and a second fastening hole (242) formed so as to sandwich the opening of the inlet port 220 between the first fastening hole. ), And a third fastening hole (243) formed on the drive unit 70 side with respect to the first fastening hole and the second fastening hole.
  • the 1st fastening hole (241) is formed in the drive part 70 side rather than the center of the inlet port 220 similarly to the 3rd fastening hole (243).
  • the port seal member 209 made of an annular elastic member is provided around the inlet port 220, when the housing body 21 is fixed to the engine 2 by the fastening member 240 passing through the fastening hole 241 and the fastening hole 242, the port seal member 209 can be compressed in a balanced manner. Thereby, the sealing performance around the inlet port 220 can be effectively secured.
  • the fastening portion 233 is fixed to the engine 2 by the fastening member 240 passing through the fastening hole 243, so that the influence of the vibration of the engine 2 on the driving portion 70 can be suppressed.
  • the center Cp1 of the opening of the inlet port 220 is located on the first straight line Li1 that is a straight line connecting the fastening hole 241 and the fastening hole 242.
  • the port seal member 209 can be compressed in a more balanced manner.
  • the first straight line Li1 connects the center of the fastening hole 241 and the center of the fastening hole 242.
  • the first straight line Li1 may connect an arbitrary point other than the center of the fastening hole 241 and an arbitrary point other than the center of the fastening hole 242.
  • the fastening hole 241 and the fastening hole 242 are opposed to each other with the inlet port 220 interposed therebetween.
  • the port seal member 209 can be compressed in a more balanced manner.
  • the distance between the fastening hole 243 and the drive unit 70 is shorter than the distance between the fastening hole 243 and the center Cp1 of the opening of the inlet port 220.
  • the fastening hole 243 is formed so that its center is located on the drive unit 70 side with respect to a virtual plane Vp2 that passes through the center of the outlet port 223 and is orthogonal to the rotation axis Axr1 (see FIG. 8).
  • the motor 71 is provided such that the center of gravity Cg1 is located on the side of the fastening hole 243 with respect to the rotation axis Axr1 when viewed from the axial direction of the fastening hole 243 (see FIGS. 8 and 9).
  • the fastening hole 241 and the fastening hole 242 are formed so as to be point-symmetric with respect to the center Cp1 of the opening of the inlet port 220.
  • the fastening hole 241 and the fastening hole 242 are concentric.
  • the port seal member 209 can be compressed in a more balanced manner.
  • the fastening hole 241 and the fastening hole 242 that are point-symmetric with respect to the center Cp1 of the opening of the inlet port 220 are perpendicular to the opening surface of the inlet port 220, and a straight line passing through the center Cp1 of the opening of the inlet port 220 has a rotation axis Axr1. It is formed to pass through.
  • the fastening hole 241 and the fastening hole 242 that are point-symmetric with respect to the center Cp1 of the opening of the inlet port 220 are rotated by a “straight line perpendicular to the opening surface of the inlet port 220 and passing through the center Cp1 of the inlet port 220”. It is formed so as to pass through the axis Axr1.
  • the port seal member 209 can be compressed in a more balanced manner.
  • the housing 20 has positioning portions 205 and 206 formed on the mounting surface 201 and capable of positioning the housing main body 21 by engaging with other members.
  • the positioning portions 205 and 206 are formed so as to be recessed from the mounting surface 201 in a circular shape.
  • the positioning units 205 and 206 correspond to a “first positioning unit” and a “second positioning unit”, respectively.
  • the other member corresponds to, for example, a pallet used in the manufacturing process of the valve device 10 or the engine 2 as an attachment target of the valve device 10.
  • the housing main body 21 can be positioned with respect to the pallet or the engine 2 by engaging the positioning portions 205 and 206 with projections or the like formed on the pallet or the engine 2.
  • the positioning portion 205 is formed on the radially outer side of the opening of the inlet port 220.
  • the positioning unit 206 is formed so as to sandwich the opening of the inlet port 220 between the positioning unit 205 and the positioning unit 205.
  • the housing body 21 can be positioned with high accuracy when attached to the engine 2, and the cooling water can be controlled with high accuracy by the valve device 10.
  • the position of the housing body 21 with respect to the engine 2 is stabilized, and the sealing performance by the port seal member 209 can be improved.
  • the positioning part 205 and the positioning part 206 are formed so that a second straight line Li2 that is a straight line connecting the positioning part 205 and the positioning part 206 is orthogonal to a first straight line Li1 that connects the fastening hole 241 and the fastening hole 242. Yes.
  • the position of the housing body 21 relative to the engine 2 can be made more stable.
  • the position of the housing body 21 relative to the engine 2 can be made more stable.
  • the mounting surface 201 is formed on the surface of the housing main body 21 and the fastening portions 231 to 233 opposite to the pipe member 50, and extends in the width direction from the substantially rectangular portion.
  • the positioning portions 205 and 206 are formed in a substantially rectangular portion of the mounting surface 201.
  • the positioning units 205 and 206 become stable as the distance is increased. Therefore, the positioning portions 205 and 206 are provided on the outer peripheral portion of the substantially rectangular portion of the mounting surface 201.
  • the housing 20 has a mounting surface recess 207 that is recessed from the mounting surface 201 to the opposite side of the engine 2.
  • the heat of the engine 2 is insulated by the mounting surface recess 207, and the influence of the heat from the engine 2 on the drive unit 70 can be suppressed.
  • a plurality of attachment surface recesses 207 are formed, and inter-recess ribs 208 are formed between the plurality of attachment surface recesses 207.
  • the contact area of the mounting surface 201 with the engine 2 can be secured while the heat of the engine 2 is insulated by the mounting surface recess 207.
  • the mounting surface recess 207 has a rectangular recess 275 having a rectangular shape and a trapezoidal recess 276 having a substantially trapezoidal shape.
  • the inter-recess rib 208 includes a short-side rib 285 extending in the short-side direction of a substantially rectangular portion of the mounting surface 201 and a long-side rib 286 extending in the long-side direction.
  • Two trapezoidal recesses 276 are formed on the opposite side of the drive port 70 with respect to the inlet port 220 of the substantially rectangular portion of the mounting surface 201 so as to be aligned in the short direction.
  • Two rectangular recesses 275 are formed on the opposite side of the trapezoidal recess 276 from the inlet port 220 so as to be arranged in the short direction.
  • a lateral rib 285 is formed between the rectangular recess 275 and the trapezoidal recess 276.
  • a longitudinal rib 286 is formed between the two trapezoidal recesses 276 and between the two rectangular recesses 275.
  • the trapezoidal recess 276 is smaller than the rectangular recess 275.
  • Two rectangular recesses 275 are formed on the drive unit 70 side with respect to the inlet port 220 of the substantially rectangular portion of the mounting surface 201 so as to be aligned in the short direction.
  • Two rectangular recesses 275 are formed on the opposite side of the rectangular recess 275 from the inlet port 220 so as to be arranged in the short direction.
  • Short-side ribs 285 are formed between rectangular recesses 275 arranged in the longitudinal direction.
  • Longitudinal ribs 286 are formed between rectangular recesses 275 arranged in the short direction.
  • the distance between the short-side rib 285 formed on the opposite side of the drive unit 70 to the inlet port 220 of the substantially rectangular portion of the mounting surface 201 and the inlet port 220 is the inlet port of the substantially rectangular portion of the mounting surface 201. It is smaller than the distance between the short-side rib 285 formed on the drive unit 70 side and the inlet port 220 with respect to 220.
  • Two trapezoidal concave portions 276 are formed on the attachment surface 201 of the fastening portions 231 to 233.
  • a short-side rib 285 is formed between the two trapezoidal concave portions 276.
  • An outer peripheral rib 287 surrounding the mounting surface recess 207 is formed on the outer edge of the substantially rectangular portion of the mounting surface 201.
  • An outer peripheral rib 287 surrounding the attachment surface recess 207 is formed on the outer edge of the attachment surface 201 of the fastening portions 231 to 233.
  • the mounting surface recesses 207 are formed independently of each other, and the robustness against vibration of the engine 2 can be improved by the inter-recess ribs 208 and the outer peripheral ribs 287 between the mounting surface recesses 207.
  • the longitudinal rib 286 extends in the direction of the rotation axis Axr1. That is, when viewed from the axial direction of the inlet port 220, the longitudinal rib 286 and the rotation axis Axr1 overlap (see FIG. 9). Therefore, deformation in a direction perpendicular to the attachment surface 201 can be suppressed. If such deformation occurs, the components inside the valve device 10 may be displaced, causing cooling water leakage to the inside or outside, and the function of the valve device 10 may deteriorate. This embodiment can suppress such a problem.
  • the ratio of the size of the mounting surface recess 207 to the mounting surface 201 is 50 to 9.5%.
  • the wall surface without the space where the valve 30 is provided becomes uniform, and the spatial accuracy of the internal space 200 is improved.
  • the space accuracy of the internal space 200 is good, the wall resistance is reduced and the pressure loss can be reduced.
  • the housing body 21 is made of polyphenylene sulfide resin (PPS) containing a filler. More specifically, the housing body 21 is made of “PPS-GF50” (PPS: 50%, glass fiber: 50%). As the filler, carbon fiber, silica fiber, silica, talc, silicon or the like can be used in addition to glass fiber.
  • PPS polyphenylene sulfide resin
  • the heat resistance, water absorption resistance, strength, and dimensional accuracy of the housing body 21 can be improved.
  • the glass occupancy ratio relative to the resin of the housing body 21 may be in the range of 20 to 80%.
  • the valve body 31, the housing body 21, and the partition wall 60 are all formed of PPS.
  • valve body 31 By forming the valve body 31, the housing main body 21, and the partition wall portion 60 from the same resin material, it is possible to eliminate a difference in linear expansion and reduce galling. If there is a difference in linear expansion between the members, cooling water leakage may occur. This embodiment can suppress such a problem.
  • valve body 31, the housing body 21, and the partition wall portion 60 By forming the valve body 31, the housing body 21, and the partition wall portion 60 from PPS, the strength, heat resistance, and chemical resistance of the valve body 31, the housing body 21, and the partition wall portion 60 can be improved.
  • the pipe member 50 is made of, for example, PPA (polyphthalamide). Thereby, the pipe member 50 can be formed by forcibly removing.
  • PPA polyphthalamide
  • the linear expansion coefficient of the valve body 31, the housing body 21, and the partition wall portion 60 formed of PPS is smaller than the linear expansion coefficient of the pipe member 50 formed of PPA. Therefore, the influence on distortion and assembly when heat is applied can be reduced.
  • valve body 31, the housing body 21, and the partition wall portion 60 may be formed of PPA.
  • the fastening part 233 in which the fastening hole 243 as the third fastening hole is formed is formed at a position adjacent to the partition wall part 60.
  • the fastening portions 231, 232, and 233 have a mounting surface 201 on the engine 2 side and a mounting surface recess 207 that is recessed from the mounting surface 201 to the opposite side of the engine 2.
  • the thickness of the fastening portions 231, 232, 233 can be made uniform. As a result, the generation of voids can be prevented, and the resin strength around the collar provided in the fastening holes 241, 242, and 243 of the fastening portions 231, 232, and 233 can be suppressed from decreasing. Furthermore, even when the thin wall around the collar is cracked first by vibration from the engine 2, it is possible to prevent the crack from reaching the internal space 200 as a result of the mounting surface recess 207.
  • the housing 20 is formed between the positioning portions 205 and 206, which are formed on the mounting surface 201 and can be positioned by engaging with other members, and a plurality of mounting surface recesses 207.
  • An inter-recess rib 208 is formed.
  • the positioning portions 205 and 206 are formed at the lattice points 204 of the inter-recess ribs 208.
  • the housing body 21 can be positioned stably.
  • the housing 20 includes positioning portions 205 and 206 that are formed on the mounting surface 201 and that can position the housing main body 21 by engaging with other members.
  • One fastening portion (231) is formed on one side in the width direction of the housing body 21, and two fastening portions (232, 233) are formed on the other side in the width direction of the housing body 21.
  • the positioning portion 205 is formed on one side in the width direction of the housing body 21 in which one fastening portion (231) is formed.
  • the width direction of the housing body 21 is a direction corresponding to the short direction of the housing body 21 when the housing body 21 is viewed from a direction perpendicular to the mounting surface 201.
  • the positioning portion 205 is the fourth point on the side where only one of the three fastening portions is provided, the balance in the left and right directions (width direction) of the housing body 21 can be secured.
  • the inlet port 220 is formed between the fastening portion 233 farthest from the inlet port 220 and the positioning portion 205 among the plurality of fastening portions.
  • the balance of the left and right direction (width direction) of the housing body 21 can be further secured.
  • the partition wall 60 is provided in the housing opening 210 so as to separate the internal space 200 from the outside of the housing body 21, and can support the shaft 32.
  • the drive unit cover 80 is provided on the opposite side of the partition wall 60 from the internal space 200, and forms a drive unit space 800 between the drive unit cover 80 and the partition wall 60.
  • the drive unit 70 is provided in the drive unit space 800 and can rotate the valve body 31 via the shaft 32.
  • the present embodiment is a valve device 10 that can control the cooling water of the engine 2 of the vehicle 1, and includes the housing 20, the valve 30, the partition wall portion 60, the drive portion cover 80, and the drive portion 70. .
  • the housing 20 includes a housing main body 21 that forms an internal space 200 on the inside, ports (220, 221, 222, and 223) that connect the internal space 200 and the outside of the housing main body 21, and the internal space 200 and the housing main body 21. It has a housing opening 210 for connecting to the outside.
  • the valve 30 connects the valve body 31 that can rotate around the rotation axis Axr1 in the internal space 200, the valve body channel 300 formed inside the valve body 31, and the valve body channel 300 and the outside of the valve body 31.
  • Valve body openings (410, 420, 430) and a shaft 32 provided on the rotation axis Axr1, and the valve body flow path 300 and ports (via the valve body openings (410, 420, 430)) 220, 221, 222, 223) can be changed by the rotational position of the valve body 31.
  • the partition wall 60 is provided in the housing opening 210 so as to separate the internal space 200 from the outside of the housing body 21 and can receive the shaft 32.
  • the drive unit cover 80 is provided on the opposite side of the partition wall 60 from the internal space 200, and forms a drive unit space 800 between the partition wall 60.
  • the drive unit 70 is provided in the drive unit space 800 and can rotate the valve body 31 via the shaft 32.
  • a member such as a joint is not required between the drive unit 70 and the shaft 32. Therefore, the configuration around the drive unit 70 can be simplified.
  • the partition wall 60 as a member for bearing the shaft 32 and a member for housing the drive unit 70, the coaxial accuracy between the drive unit 70 and the valve body 31 can be improved. Moreover, the number of members can be reduced.
  • the inner portion of the restriction recess 63 in the inner space 200 side surface of the partition wall body 61 is located slightly closer to the inner space 200 than the outer portion of the restriction recess 63.
  • the inner peripheral portion of the housing body 21 facing the partition wall body 61 has a step shape.
  • the clearance gap between the partition part main body 61 and the housing opening part 210 in which the annular seal member 600 is provided is formed in a taper shape. Thereby, the annular seal member 600 can be easily provided in the gap. If engine oil enters the gap, the annular seal member 600 may swell, break, and coolant may leak. Further, when the annular seal member 600 is bitten, the annular seal member 600 is cut, the cooling water leaks, and the engine oil may enter from the outside to the inside. In this embodiment, this problem can be suppressed.
  • the valve device 10 further includes an annular seal member 600 that is provided between the housing opening 210 and the partition wall 60 and that can hold the space between the housing opening 210 and the partition wall 60 in a liquid-tight manner.
  • the annular seal member 600 is formed in an annular shape by an elastic member such as rubber.
  • the housing opening 210 has a cylindrical inner wall.
  • the partition wall 60 includes a partition wall body 61 that is located inside the housing opening 210 and has an outer wall formed in a cylindrical shape.
  • the annular seal member 600 is provided between the housing opening 210 and the partition wall body 61.
  • the difference between the inner diameter of the housing opening 210 and the outer diameter of the partition wall main body 61 is smaller than the difference between the inner diameter and the outer diameter of the annular seal member 600 in the free state. Therefore, the annular seal member 600 is compressed in the radial direction between the housing opening 210 and the partition wall body 61.
  • annular opening step surfaces 604, 605, and 606 are formed in the housing opening 210.
  • the opening step surfaces 604, 605, and 606 are formed in this order from the inner space 200 side in the direction of the rotation axis Axr1 toward the drive unit 70 side.
  • the opening step surfaces 604 and 606 are formed in an annular planar shape.
  • the opening step surface 605 is formed in a tapered shape so as to approach the rotation axis Axr1 from the drive unit 70 side toward the internal space 200 side.
  • Annular partition wall step surfaces 611 and 612 are formed on the outer edge of the partition wall body 61.
  • the partition wall step surface 611 is formed in an annular flat shape so as to face the opening step surface 604.
  • the partition step surface 612 is formed in an annular flat shape so as to face the opening step surfaces 605 and 606.
  • the annular seal member 600 is provided between the opening step surface 604 and the partition wall step surface 611.
  • the shaft 32 is aligned by the annular seal member 600, and the positional accuracy of the valve body 31 and the detection accuracy of the rotation angle sensor 86 described later can be improved.
  • the center of the inner peripheral wall of the annular seal member 600 is coincident with the center of the outer peripheral wall. Therefore, the shaft 32 can be effectively aligned by the annular seal member 600.
  • the force applied in the axial direction of the fixing member 830 described later can be reduced, and the number of the fixing members 830 can be reduced.
  • An axial gap SAx is formed between the annular seal member 600 and the housing body 21 in the axial direction.
  • annular seal member 600 can be effectively compressed in the radial direction between the housing opening 210 and the partition wall 60.
  • the cross-sectional area of the annular seal member 600 is set such that the cross-sectional area of the annular seal member 600 / the cross-sectional area of the axial clearance SAx ⁇ 1 in the plane including the axis.
  • the valve device 10 further includes a fixing member 830 capable of fixing the housing main body 21 and the driving unit cover 80 in a state where the partition wall 60 is sandwiched between the housing main body 21 and the driving unit cover 80.
  • the end of the shaft 32 opposite to the drive unit 70 is a sliding bearing (see FIG. 3). If the shaft accuracy deteriorates, the sliding resistance increases. On the other hand, the valve seal 36 is pressed against the valve body 31 by the spring 372. However, if the shaft accuracy is good, the force pressing the valve seal 36 by the spring 372 can be reduced. Furthermore, if the shaft is misaligned, cooling water leaks between the valve body 31 and the valve seal 36, and warming up may be delayed, resulting in a deterioration in fuel consumption. However, if the shaft accuracy is good, such a problem is prevented. be able to.
  • the partition wall 60 and the drive unit cover 80 can be assembled to the housing body 21 at a time, and the assembly can be simplified. Moreover, the number of fixing members can be reduced.
  • the fixing member 830 is, for example, a screw, passes through the cover fastening hole 831 formed in the drive unit cover 80, and is screwed into the fastening hole of the housing main body 21.
  • the drive unit cover 80 is fixed to the housing body 21 with the partition wall 60 sandwiched between the drive body cover 80 and the housing body 21.
  • a plurality of cover fastening holes are formed in the drive unit cover 80, and the fixing member 830 is inserted through each of them.
  • a rubber annular cover seal member 809 is provided between the outer edge portion of the drive unit cover 80 and the partition wall portion 60. Thereby, the drive part space 800 is kept airtight and liquid tight.
  • the partition wall 60 has a shaft insertion hole 62 through which one end of the shaft 32 can be inserted.
  • the valve device 10 includes a metal ring 601 that is insert-molded in the partition wall 60 in the shaft insertion hole 62.
  • the metal ring 601 is formed of a metal in an annular shape and is provided coaxially with the shaft insertion hole 62.
  • the valve device 10 is provided inside the metal ring 601 and includes a bearing portion 602 that supports one end of the shaft 32.
  • the bearing portion 602 is a ball bearing, for example, and is press-fitted inside the metal ring 601.
  • the partition wall 60 has a partition wall recess 64 that is recessed from the surface 609 on the drive unit cover 80 side to the opposite side of the drive unit cover 80 on the radially outer side of the metal ring 601.
  • the surface 609 is a planar part formed on the same plane as the end surface of the metal ring 601 on the drive unit cover 80 side on the drive unit cover 80 side of the partition wall 60.
  • FIG. 11 is a view showing a cross section by “a plane including the rotation axis Axr1”.
  • FIG. 12 is a view showing a cross section by “a plane that includes the rotation axis Axr1 and is perpendicular to the axis Axm1 of the motor 71”.
  • FIG. 13 is a view showing a cross section by a “plane including the axis Axm1 of the motor 71 and parallel to the rotation axis Axr1”.
  • FIG. 14 is a view showing a cross section by “a plane that includes the rotation axis Axr1 and is parallel to the axis Axm1 of the motor 71”.
  • the drive unit 70 includes a motor 71 that can rotationally drive the shaft 32.
  • the valve device 10 further includes an elastic member 74 provided in a compressed state between the motor 71 and the partition wall 60.
  • the elastic member 74 is made of, for example, rubber.
  • the vibration acting on the motor 71 can be attenuated, the contact failure can be suppressed, and the operating state of the motor 71 can be kept good.
  • the vibration of the motor 71 causes the partition wall portion 60 to move, causing sliding resistance, which may deteriorate fuel consumption. Further, the vibration of the motor 71 may cause the output of a rotation angle sensor 86 to be described later to shift, resulting in a deterioration in fuel consumption. In the present embodiment, the occurrence of the above-described problem can be suppressed by suppressing the vibration of the motor 71 by the elastic member 74.
  • the assembly of the motor 71 can be simplified and the number of parts can be reduced.
  • the elastic member 74 is provided between the partition wall body 61 and the motor 71, and urges the partition wall body 61 toward the internal space 200 side.
  • the elastic member 74 can prevent the partition wall body 61 from floating due to the water pressure of the cooling water on the internal space 200 side being applied. As a result, leakage of cooling water can be prevented, and overheating of the vehicle 1 due to the leakage can be prevented.
  • the motor 71 is provided such that the axis Axm ⁇ b> 1 is orthogonal to the axis Axs ⁇ b> 1 of the shaft 32. More precisely, the axis Axm1 and the axis Axs1 are perpendicular to each other in the torsional relationship.
  • the size of the housing body 21 in the width direction can be reduced, and the valve device 10 can be mounted in a narrow space.
  • the electrical components around the motor 71 can be kept away from the cooling water (internal space 200), and the possibility of short circuit due to water wetting can be reduced.
  • the heat damage to the motor 71 can be suppressed by keeping the motor 71 away from the cooling water (internal space 200).
  • the motor 71 includes a motor body 710, a motor shaft 711, a worm gear 712, a motor side terminal 713, and the like.
  • the motor body 710 is formed in a substantially cylindrical shape, and has a stator, a coil, and a rotor (not shown) inside.
  • the motor shaft 711 is provided integrally with the rotor on the rotation axis of the rotor, and one end protrudes from the end of the motor body 710 in the axial direction.
  • the driving force of the motor 71 is output from the motor shaft 711.
  • the axis Axm1 of the motor 71 coincides with the axis of the motor shaft 711.
  • the motor 71 is provided such that the axis Axm1 is parallel to the surface 808 of the drive unit cover 80 facing the partition wall 60 side (see FIG. 16).
  • the worm gear 712 is provided at one end of the motor shaft 711 and can rotate integrally with the motor shaft 711.
  • the motor-side terminal 713 is formed in a long plate shape from metal, for example.
  • Two motor side terminals 713 protrude from the end of the motor body 710 opposite to the worm gear 712, and are provided so as to sandwich the axis Axm1 of the motor 71 therebetween.
  • the two motor side terminals 713 are provided so that the surface directions thereof are parallel to each other.
  • the end of the motor side terminal 713 in the motor main body 710 is electrically connected to the coil.
  • the valve device 10 further includes a power supply terminal 85.
  • the power supply terminal 85 is formed into a U-shaped flat plate made of metal, for example, and is insert-molded in the drive unit cover 80 so that the end on the terminal opening 851 side faces the partition wall 60 side.
  • Two power supply terminals 85 are provided so as to sandwich the axis Axm1 of the motor 71 therebetween.
  • the two power supply terminals 85 are provided on the same plane.
  • the two motor-side terminals 713 of the motor 71 are fitted into the terminal openings 851 of the two power supply terminals 85 and are electrically connected to the power supply terminals 85.
  • the drive section cover 80 has a connector section 84.
  • the connector part 84 has a terminal 841 inside.
  • the terminal 841 is electrically connected to the power supply terminal 85.
  • a wire harness (not shown) is connected to the connector portion 84. Thereby, electric power is supplied from the battery of the vehicle 1 via the wire harness, the terminal 841, the power supply terminal 85, and the motor side terminal 713.
  • a rotation angle sensor 86 is provided on the rotation axis Axr1 of the drive unit cover 80.
  • the rotation angle sensor 86 is electrically connected to the ECU 8 via a terminal 841 and a wire harness.
  • the rotation angle sensor 86 outputs a signal corresponding to the rotation angle of the shaft 32 to the ECU 8.
  • the ECU 8 can detect the rotational position of the valve body 31 and can control the operation of the motor 71 in accordance with the rotational position of the valve body 31.
  • the valve device 10 is provided in the drive unit cover 80 so that the end on the opening (terminal opening 851) side faces the partition wall 60 side, and a U-shaped power supply terminal 85 through which current supplied to the motor 71 flows. It has.
  • the motor 71 has a motor-side terminal 713 connected to the opening (terminal opening 851) of the power supply terminal 85 at the end in the axial direction, and the axis Axm 1 is parallel to the surface 808 facing the partition wall 60 side of the drive unit cover 80. It is provided to become.
  • the motor 71 can be easily assembled to the drive unit cover 80 from one direction. Moreover, the number of parts can be reduced.
  • the gear unit 72 includes a first gear 721, a second gear 722, and a third gear 723.
  • the first gear 721 is provided to mesh with the worm gear 712 of the motor 71.
  • the second gear 722 has an outer diameter larger than that of the first gear 721 and is provided so as to mesh with the first gear 721.
  • the third gear 723 has an outer diameter larger than that of the second gear 722 and is provided at one end of the shaft 32 so as to mesh with the second gear 722.
  • the third gear 723 is provided coaxially with the shaft 32 and can rotate integrally with the shaft 32.
  • the first gear 721, the second gear 722, and the third gear 723 are provided so that their axes are parallel to the axis Axs1 of the shaft 32, that is, orthogonal to the axis Axm1 of the motor 71.
  • the driving force of the motor 71 is transmitted to the shaft 32 via the worm gear 712, the first gear 721, the second gear 722, and the third gear 723.
  • the valve device 10 further includes a holding member 73.
  • the holding member 73 has a snap fit portion 731 that can be snap-fit coupled to the drive portion cover 80.
  • the holding member 73 is snap-fit coupled to the drive unit cover 80 so as to hold the motor 71, the first gear 721 of the gear unit 72, and the second gear 722 between the drive unit cover 80.
  • the elastic member 74 is provided in a compressed state between the motor main body 710 and the holding member 73.
  • the driving unit 70 has the gear unit 72 that can transmit the driving force of the motor 71 to the shaft 32.
  • the valve device 10 further includes a holding member 73 that has a snap-fit portion 731 that can be snap-fit coupled to the drive portion cover 80 and holds the motor 71 and the gear portion 72 between the drive portion cover 80. .
  • the motor 71 and the gear part 72 can be assembled to the partition wall 60 side while being held by the drive part cover 80. Moreover, the number of parts can be reduced.
  • the partition wall portion 60 has a partition wall through hole 65 that extends outward from the shaft insertion hole 62 and opens to the outer wall of the partition wall body 61.
  • the housing 20 has a housing through hole 270 that extends outward from the inner wall of the housing opening 210 and opens in the outer wall of the housing body 21 and is formed so as to be able to communicate with the partition wall through hole 65.
  • the cooling water flowing from the internal space 200 through the shaft insertion hole 62 toward the drive unit 70 can flow into the partition wall through hole 65. Thereby, it can suppress that the cooling water of the internal space 200 flows into the drive part 70 side.
  • the cooling water that has flowed into the partition wall through hole 65 is discharged from the housing through hole 270 to the outside.
  • the housing through hole 270 opens in the mounting surface 201. That is, when the valve device 10 is attached to the engine 2, the housing through hole 270 is covered with the engine 2.
  • the housing through hole 270 opens to the mounting surface 201 side.
  • the metal member such as the power supply terminal 85 provided in the drive unit space 800 is post-plated at a portion obtained by punching the plated member with a press. Thereby, even when a cooling water penetrate
  • the valve device 10 used for controlling the cooling water of the engine 2 as in this embodiment is affected by the heat of the cooling water. Therefore, when the thickness of the valve body 31 is uneven, the expansion rate varies depending on the thickness, and thus the entire valve body 31 may be distorted. In particular, in this embodiment, since the inlet port 220 into which the cooling water flows and a part of the inner peripheral wall of the valve body 31 face each other, the inner peripheral wall of the valve body 31 is easily affected by heat.
  • the valve body 31 is formed such that at least a facing portion 310, which is a portion facing the inlet port 220 into which cooling water flows, of the inner peripheral wall is recessed outward. More specifically, the valve body 31 has a facing portion 310 that is a portion facing at least the inlet port 220 into which cooling water flows in the inner peripheral wall via the valve body opening 420 of the ball valve 42. It is formed to be recessed.
  • valve seal 36 contacts at least a portion corresponding to the facing portion 310 of the outer peripheral wall of the valve body 31. More specifically, the valve seal 36 contacts at least a portion of the outer peripheral wall of the valve body 31 opposite to the facing portion 310.
  • the sealing performance by the valve seal 36 is deteriorated and the warming performance and the like are deteriorated.
  • the portion corresponding to the opposed portion 310 of the valve body 31 is prevented from being distorted by the above configuration. Therefore, the sealing performance by the valve seal 36 can be secured, and the warming-up performance is improved.
  • the housing 20 has a plurality of ports (221 to 223).
  • the outlet port 222 which is a port connected to the heater 6 of the vehicle 1 is formed so as not to be positioned on the uppermost side in the vertical direction among the plurality of ports ( (See FIG. 8).
  • the motor 71 is provided in the drive unit space 800 such that the motor shaft 711 is perpendicular to the mounting surface 201 of the housing 20 and the worm gear 712 faces the side opposite to the mounting surface 201. ing.
  • the motor 71 has the motor shaft 711 that outputs the driving force, and the worm gear 712 provided at the tip of the motor shaft 711, so that the motor shaft 711 is perpendicular to the mounting surface 201, and The worm gear 712 is provided so as to face the side opposite to the mounting surface 201.
  • the gear height can be reduced and the physique of the drive unit 70 can be reduced.
  • the motor main body 710 of the motor 71 can be disposed near the engine 2 (mounting surface 201), the vibration resistance of the motor 71 can be improved, the vibration acting on the motor 71 can be reduced, and the robustness against disconnection can be improved. .
  • the width in the direction Dv1 perpendicular to the attachment surface 201 of the drive part 70 and the drive part cover 80 is set. Can be made smaller than the width in the direction Dp1 parallel to the direction Dp1.
  • the third gear 723 is disposed on the radially outer side of the motor body 710, and the first gear 721 and the second gear 722 are disposed on the radially outer side of the worm gear 712.
  • the third gear 723 having a large outer diameter is disposed near the mounting surface 201, and the first gear 721 and the second gear 722 are disposed in the empty space on the radially outer side of the worm gear 712, thereby driving the driving unit 70.
  • the physique of the drive part cover 80 can be made small.
  • the arrangement of the ball valves 41, 42, 43, the cylindrical connection part 44, and the cylindrical valve connection part 45 of the valve element 31 on the shaft 32 is the same as that of the first embodiment. Different. As shown in FIG. 20, the ball valve 41, the cylindrical connection portion 44, the ball valve 42, the cylindrical valve connection portion 45, and the ball valve 43 are on the side opposite to the drive portion 70 from the drive portion 70 side in the direction of the rotation axis Axr1. Are arranged in this order.
  • the outlet ports 221, 222, and 223 are formed in the housing main body 21 so as to be arranged in this order from the drive unit 70 side in the direction of the rotation axis Axr 1 to the side opposite to the drive unit 70.
  • the ball valves 41, 42, and 43 are provided so that the outlet ports 221, 222, and 223 can be opened and closed, respectively.
  • the ball valves 41, 42, and 43 of the valve body 31 are formed such that at least a part of the outer peripheral wall is formed in a spherical shape and at least a part of the inner peripheral wall is recessed outward.
  • the present embodiment is a valve device 10 that can control the cooling water of the engine 2 of the vehicle 1, and includes the housing 20, the valve 30, and the valve seal 36.
  • the housing 20 has ports (220, 221, 222, 223) for connecting the internal space 200 and the outside.
  • the valve 30 connects the valve body 31 that can rotate around the rotation axis Axr1 in the internal space 200, the valve body channel 300 formed inside the valve body 31, and the valve body channel 300 and the outside of the valve body 31.
  • Valve body openings (410, 420, 430) and a shaft 32 provided on the rotation axis Axr1, and the valve body flow path 300 and ports (via the valve body openings (410, 420, 430)) 220, 221, 222, 223) can be changed by the rotational position of the valve body 31.
  • the valve seal 36 is formed in an annular shape and is provided at a position corresponding to the ports (220, 221, 222, 223) so as to be able to contact the outer peripheral wall of the valve body 31.
  • the seal opening 360 that can communicate with the portions (410, 420, 430) is formed on the inner side, and the space between the outer peripheral wall of the valve body 31 can be maintained liquid-tight.
  • the valve body 31 is formed such that at least a part of the outer peripheral wall is formed in a spherical shape and at least a part of the inner peripheral wall is recessed outward.
  • the molding accuracy of the spherical surface of the outer peripheral wall of the valve body 31 can be improved. Thereby, the leakage of the cooling water in the outer peripheral wall of the valve body 31 can be suppressed.
  • valve body flow passage 300 can be increased, and the water flow resistance can be reduced.
  • the ball valves 41, 42, 43 of the valve body 31 have at least part of the inner peripheral wall formed in a spherical shape.
  • valve body 31 can be brought close to the meat thickness. Thereby, the precision of the spherical surface of the outer peripheral wall of the valve body 31 can be further improved, and the flow passage area of the flow passage 300 can be increased.
  • the ball valves 41, 42, and 43 of the valve body 31 have the same distance between the inner peripheral wall and the outer peripheral wall in at least a partial range in the direction of the rotation axis Axr1 and the circumferential direction. That is, the valve body 31 is formed so that the thickness is uniform (equal thickness) at least in the above range.
  • valve body 31 can be made uniform. Thereby, the precision of the spherical surface of the outer peripheral wall of the valve body 31 can be further improved, and the flow passage area of the flow passage 300 can be increased.
  • the ball valves 41, 42, and 43 of the valve body 31 have the same distance between the inner peripheral wall and the outer peripheral wall in a range corresponding to at least the seal opening 360 in the rotation axis Axr1 direction and the circumferential direction.
  • valve body 31 can be made uniform in the above range. Thereby, the precision of the spherical surface of the outer peripheral wall of the valve body 31 can be further improved, and the sealing performance of the valve seal 36 can be improved.
  • the ball valves 41, 42, 43 of the valve body 31 are at least sealed openings 360 in the direction of the rotation axis Axr1 and in the circumferential direction when all of the seal openings 360 are closed by the outer peripheral wall of the valve body 31. In the range corresponding to, the distance between the inner peripheral wall and the outer peripheral wall is the same.
  • the range corresponding to the seal opening 360 means a range overlapping the projection when the seal opening 360 is projected in the axial direction of the valve seal 36.
  • the shaft 32 is formed integrally with the valve body 31 by insert molding.
  • the assembly man-hour for the shaft 32 can be reduced.
  • the valve body 31 includes a first divided body 33 and a second divided body 34 that are divided into two on a virtual plane Vp1 including the rotation axis Axr1, and the first divided body 33 and the second divided body 34 are respectively Are joined at the joining surfaces 331 and 341.
  • valve body 31 can be accurately manufactured by die slide injection (DSI) described later.
  • the first divided body 33 has a first restricting convex portion 332 that extends from the surface on the partition wall portion 60 side to the restricting recessed portion 63 and has a tip portion located in the restricting recessed portion 63. (Refer to FIG. 3 and FIG. 6 for the restriction recess 63).
  • the second divided body 34 has a second restricting convex portion 342 that extends from the surface on the partition wall 60 side toward the restricting recess 63 and has a tip portion located in the restricting recess 63.
  • the rotation of the valve body 31 can be restricted by the first restriction convex part 332 and the second restriction convex part 342 coming into contact with the restriction part 631 of the restriction concave part 63.
  • the 1st control convex part 332 and the 2nd control convex part 342 are formed in the 1st division body 33 and the 2nd division body 34, respectively, the 1st control convex part 332 and the 2nd control convex part
  • the first divided body 33 and the second divided body 34 can be prevented from separating (peeling) at the joint surfaces 331 and 341.
  • the 1st control convex part 332 and the 2nd control convex part 342 are located in the diameter direction outside to the center of the radial direction of the 1st outermost end face 301. As shown in FIG. Thereby, since the magnitude
  • restriction surfaces 635 and 636 are formed on the circumferential end surface of the restriction recess 63 of the restriction portion 631.
  • a convex portion regulating surface 333 that can contact the regulating surface 635 is formed on the end surface of the first regulating convex portion 332 in the circumferential direction of the valve body 31.
  • a convex portion regulating surface 343 that can contact the regulating surface 636 is formed on the end surface of the second regulating convex portion 342 in the circumferential direction of the valve body 31.
  • the valve body 31 is restricted from rotating when the convex portion regulating surface 333 contacts the regulating surface 635 or when the convex portion regulating surface 343 contacts the regulating surface 636.
  • the corners of the first regulating convex part 332 and the second regulating convex part 342 opposite to the first outermost end face 301 are inclined with respect to the first outermost end face 301. It is chamfered. Therefore, even if there is a foreign substance such as sand in the vicinity of the first restriction convex part 332 and the second restriction convex part 342 of the restriction concave part 63, the corners and the restriction of the first restriction convex part 332 and the second restriction convex part 342 are restricted. It can suppress that a foreign material bites into between the recessed parts 63.
  • the first restriction convex part 332 extends toward the restriction concave part 63 along the joint surface 331.
  • the second restriction convex portion 342 extends toward the restriction concave portion 63 along the joint surface 331 while being in contact with the first restriction convex portion 332.
  • the valve body 31 has a valve body opening rib 411 that connects the inner edge of the valve body opening 410.
  • the valve body 31 has valve body opening ribs 421 and 422 that connect the inner edge of the valve body opening 420.
  • the valve body 31 has valve body opening ribs 431 and 432 that connect the inner edge ends of the valve body opening 430. Therefore, the strength of the valve body openings 410, 420, and 430 can be improved.
  • the valve body opening ribs 411, 421, 431 are formed on a virtual plane including the axis Axs1 (rotation axis Axr1) of the shaft 32, that is, a virtual plane Vp1 including the joint surfaces 331, 341. That is, the valve body opening ribs 411, 421, 431 are formed so as to sandwich the joint surfaces 331, 341.
  • the valve body opening ribs 422 and 432 are formed on a virtual plane that includes the axis Axs1 (rotation axis Axr1) of the shaft 32 and is orthogonal to the virtual plane Vp1.
  • valve body opening rib 411 is formed at a position away from the virtual spherical surface Vs1 along the outer peripheral wall of the ball valve 41 of the valve body 31 inward in the radial direction.
  • the virtual spherical surface Vs1 is a virtual spherical surface including the outer peripheral wall of the ball valve 41.
  • valve body 31 when the valve body 31 is rotated, it is possible to suppress the valve seal 36 from being caught by the valve body opening rib 411 and increasing the sliding resistance.
  • valve body opening rib 411 is formed in an arc shape with a predetermined distance from the phantom spherical surface Vs1.
  • the valve body opening ribs 421 and 422 and the valve body opening ribs 431 and 432 are also formed in an arc shape with a predetermined distance from a virtual spherical surface along the outer peripheral wall of the ball valves 42 and 43.
  • valve body 31 Therefore, an increase in sliding resistance during rotation of the valve body 31 can be suppressed, and the flow path area inside the valve body opening ribs 411, 421, 422, 431, and 432 can be increased.
  • the valve element opening rib 411 is formed in an arc-shaped flat plate shape.
  • the rib outer edge 401 which is the radially outer portion of the valve body opening rib 411, has a constant distance from the phantom spherical surface Vs1.
  • a rib end 403, which is one end of the valve body opening rib 411, is connected to a portion of the inner edge of the valve body opening 410 that is opposite to the cylindrical connection portion 44.
  • the rib end portion 404 which is the other end portion of the valve body opening rib 411 is connected to a portion of the inner edge end of the valve body opening portion 410 on the cylindrical connection portion 44 side.
  • the valve body 31 has a specific shape portion 441 that is formed on the joint surfaces 331 and 341 in the cylindrical connection portion 44 and has an outer wall having a curvature different from the curvature of the outer peripheral wall of the cylindrical connection portion 44. doing.
  • the valve body 31 has a specific shape portion 451 having an outer wall that is formed on the joint surfaces 331 and 341 in the tubular valve connection portion 45 and has a curvature different from the curvature of the outer peripheral wall of the tubular valve connection portion 45.
  • the specific shape portions 441 and 451 are formed so that the outer walls protrude outward from the outer peripheral walls of the tubular connection portion 44 and the tubular valve connection portion 45, respectively.
  • the specific shape portions 441 and 451 may be formed such that the outer walls are recessed inward from the outer peripheral walls of the tubular connection portion 44 and the tubular valve connection portion 45, respectively.
  • Each of the specific shape portions 441 and 451 may have a flat outer wall.
  • the length of the specific shape portion 441 in the axis Axs1 direction of the shaft 32 is about 1/10 of the length of the cylindrical connection portion 44.
  • the length of the specific shape portion 451 in the axis Axs1 direction of the shaft 32 is about 1/3 of the length of the tubular valve connection portion 45. Therefore, the enlargement of the valve body 31 can be suppressed.
  • the valve body 31 includes an inter-valve space 400 formed between the ball valve 41 and the ball valve 42 on the radially outer side of the cylindrical connection portion 44 and a valve body flow path 300 of the ball valve 41.
  • the ball valve 42 so as to connect the end surface opening 415 formed on the end surface of the ball valve 41 in the direction of the rotation axis Axr1 and the inter-valve space 400 and the valve body flow passage 300 of the ball valve 42. It has an end face opening 425 formed on the end face in the direction of the axis Axr1.
  • the end surface openings 415 and 425 correspond to a “first end surface opening” and a “second end surface opening”, respectively.
  • the inlet port 220 (see FIG. 3) communicates with the inter-valve space 400. Therefore, the cooling water flowing into the internal space 200 from the inlet port 220 can flow into the valve body flow path 300 via the inter-valve space 400 and the end surface openings 415 and 425.
  • the inter-valve space 400 is open over the entire circumferential direction. Therefore, the flow resistance of the cooling water flowing from the inlet port 220 into the internal space 200 and flowing toward the valve body flow path 300 can be reduced.
  • the inter-valve space 400 overlaps the inlet port 220 and the relief port 224 in the direction of the rotation axis Axr1. Therefore, the cooling water flowing from the inlet port 220 can easily flow to the relief port 224, and the reactivity of the relief valve 39 can be improved.
  • the inter-valve space 400 is a cylindrical connecting portion that is a portion having the smallest outer diameter among the portions from the first outermost end surface 301 to the second outermost end surface 302 in the axial direction of the valve body 31. 44 is formed radially outward.
  • the outer diameter of the inter-valve space 400 is smaller than the diameter of the end surface openings 415 and 425 on the outer side in the radial direction.
  • the shaft 32 is formed integrally with the valve body 31 by insert molding at the cylindrical connecting portion 44. That is, the shaft 32 is welded to the cylindrical connection portion 44, but is not welded to a portion other than the cylindrical connection portion 44 of the valve body 31.
  • the flow path area of the valve body flow path 300 may be reduced and the water flow resistance may be increased. Since the insert molding part with the shaft 32 is provided in the cylindrical connection part 44 outside 300, the water flow resistance can be reduced.
  • the shaft 32 has a detent portion 321 that can restrict relative rotation with the cylindrical connection portion 44.
  • the anti-rotation part 321 is formed so that the cross-sectional shape is a polygon.
  • the cross-sectional shape is a hexagon.
  • the rotation prevention part 321 is formed, for example, by cutting the outer peripheral wall of the columnar shaft 32 into a flat shape at six places in the circumferential direction. Therefore, the outer wall of the rotation preventing portion 321 is located on the radially inner side with respect to the outer peripheral wall of the shaft 32.
  • the inner wall of the cylindrical connection portion 44 is formed to have a hexagonal cross section so as to correspond to the shape of the rotation preventing portion 321.
  • valve body 31 is connected to the ball valve 42 on the side opposite to the cylindrical connecting portion 44 with respect to the ball valve 42, and the outer peripheral wall and the inner peripheral wall are formed in a cylindrical shape, and the valve body flow path is formed inside.
  • a cylindrical valve connecting portion 45 that forms 300, and a ball valve 43 that is connected to the cylindrical valve connecting portion 45 on the opposite side of the cylindrical valve connecting portion 45 from the ball valve 42 and whose outer peripheral wall is formed in a spherical shape. have.
  • the cylindrical valve connecting portion 45 has an outer peripheral wall and an inner peripheral wall formed in a cylindrical shape. Therefore, the flow path area of the inner valve body flow path 300 can be secured.
  • the outer diameter of the outer peripheral wall of the ball valve 41 is the same as the outer diameter of the outer peripheral wall of the ball valve 43.
  • the outer diameter of the outer peripheral wall of the ball valve 42 is also the same as the outer diameter of the outer peripheral wall of the ball valve 41 and the outer diameter of the outer peripheral wall of the ball valve 43.
  • the area of the first outermost end surface 301 that is the end surface of the ball valve 41 opposite to the ball valve 43 in the direction of the rotation axis Axr1 is the end surface of the ball valve 43 opposite to the ball valve 41 in the direction of the rotation axis Axr1. It is different from the area of the second outermost end surface 302. Here, the area of the second outermost end surface 302 is larger than the area of the first outermost end surface 301. Therefore, the length of the ball valve 43 in the direction of the rotation axis Axr1 is shorter than the length of the ball valve 41.
  • the size of the valve body 31 in the axial direction can be reduced, and the physique of the valve device 10 can be reduced.
  • the valve body 31 includes a valve body opening rib 422 connecting the inner edge of the valve body opening 420 of the ball valve 42 and an inner edge of the valve body opening 430 of the ball valve 43.
  • the valve body opening rib 432 is connected.
  • the valve body opening rib 422 and the valve body opening rib 432 correspond to a “second valve body opening rib” and a “third valve body opening rib”, respectively.
  • valve element opening rib 422 and the valve element opening rib 432 are formed at the same position in the circumferential direction of the valve element 31. That is, the valve body opening ribs 422 and 432 are formed to be aligned in a direction parallel to the rotation axis Axr1.
  • the valve body opening rib 411 and the valve body opening rib 421 are formed at the same position in the circumferential direction of the valve body 31.
  • the valve body 31 includes end surface opening ribs 416 and 417 that connect the cylindrical connection portion 44 and the ball valve 41 so as to straddle the end surface opening 415, and the end surface End face opening ribs 426 and 427 for connecting the cylindrical connecting portion 44 and the ball valve 42 so as to straddle the opening 425 are provided.
  • the end face opening ribs 416 and 417 correspond to “first end face opening ribs”
  • the end face opening ribs 426 and 427 correspond to “second end face opening ribs”.
  • Two end face opening ribs 416 and 426 are formed so that the cylindrical connecting portion 44 is sandwiched therebetween.
  • Two end face opening ribs 417 and 427 are formed so that the cylindrical connecting portion 44 is sandwiched therebetween.
  • the end face opening ribs 416 and 426 are formed on the virtual plane Vp1. That is, the end surface opening ribs 416 and 426 are formed so as to sandwich the bonding surfaces 331 and 341. Therefore, the valve body opening ribs 411 and 421 and the end surface opening ribs 416 and 426 are formed at the same position in the circumferential direction of the valve body 31.
  • the start positions of the end surface opening ribs 426 and 427 are the outer edge portions of the end surface of the ball valve 42 on the ball valve 41 side.
  • the end positions of the end surface opening ribs 426 and 427 are the outer peripheral walls of the end portion of the cylindrical connecting portion 44 on the ball valve 42 side.
  • valve body opening rib 421 As shown in FIG. 21, the portion of the valve body opening rib 421 that swells outward in the radial direction protrudes outside the outer peripheral wall outside of the ball valve 42 at the start position of the end surface opening rib 426.
  • the valve body opening rib 411 is provided on the outer side in the radial direction from the straight portion of the end surface opening rib 426.
  • the end face opening rib 426 has a side on the valve body flow path 300 side in the direction of the rotation axis Axr1 formed in a straight line.
  • the end face opening rib 426 has a side on the side of the inter-valve space 400 in the direction of the rotation axis Axr1 formed in a curved shape on the radially outer side of the ball valve 42 and formed in a linear shape on the radially inner side.
  • the end face opening rib 427 is formed such that the side on the valve body flow path 300 side in the direction of the rotation axis Axr1 is linear.
  • the end face opening rib 427 is formed such that the side on the inter-valve space 400 side in the direction of the rotation axis Axr1 is formed in a curved shape on the outer side in the radial direction of the ball valve 42 and linearly inclined on the inner side in the radial direction with respect to the rotation axis Axr1.
  • the end surface opening rib 417, the end surface opening rib 427, the valve body opening rib 422, and the valve body opening rib 432 are formed at the same position in the circumferential direction of the valve body 31. That is, the end surface opening ribs 417 and 427 and the valve body opening ribs 422 and 432 are formed so as to be aligned in a direction parallel to the rotation axis Axr1.
  • the end face opening ribs 417 and 427 and the valve body opening ribs 422 and 432 are formed on a virtual plane that includes the axis Axs1 (rotation axis Axr1) of the shaft 32 and is orthogonal to the virtual plane Vp1.
  • the end face opening ribs 416 and 417 form a rib end face gap 418 between the end face opening ribs 416 and 417 and the valve end face 419 that is the end face of the ball valve 41 in the rotation axis Axr1 direction.
  • the end face opening ribs 426 and 427 form a rib end face gap 428 between the end face opening ribs 426 and 427 and the valve end face 429 that is the end face of the ball valve 42 in the direction of the rotation axis Axr1.
  • the rib end face gap 418 corresponds to the “first rib end face gap”
  • the rib end face gap 428 corresponds to the “second rib end face gap”.
  • a rib end surface gap 428 is formed between the end surface opening ribs 426 and 427 and the end surface of the ball valve 42 in the rotation axis Axr1 direction. Visually visible.
  • the end surface opening rib 417 is formed so that the surface on the ball valve 42 side is inclined with respect to the rotation axis Axr1.
  • the end surface opening rib 427 is formed so that the surface on the ball valve 41 side is inclined with respect to the rotation axis Axr1.
  • valve 30 is manufactured using so-called die slide injection (DSI).
  • DSI die slide injection
  • the mold apparatus 100 includes a first mold 110, a second mold 120, and the like.
  • the first mold 110 has a first outer mold 111 and a first inner mold 112.
  • the second mold 120 has a second outer mold 121 and a second inner mold 122.
  • the first outer mold 111 has a first concave surface 113 that is recessed in a hemispherical shape from the end surface on the first inner mold 112 side.
  • the first concave surface 113 is formed to correspond to the shape of the outer peripheral wall of the ball valves 41, 42, 43 among the outer peripheral wall of the first divided body 33.
  • the first inner mold 112 has a first convex surface 114 projecting in a hemispherical shape from the end surface on the first outer mold 111 side.
  • the first convex surface 114 is formed so as to correspond to the shape of the inner peripheral wall of the ball valves 41, 42, 43 among the outer peripheral wall of the first divided body 33.
  • the first concave surface 113 and the first convex surface 114 are within at least a part of the rotation axis Axr1 direction and the circumferential direction of the valve body 31. And the distance is set to be the same.
  • the second outer mold 121 has a second concave surface 123 that is recessed in a hemispherical shape from the end surface on the second inner mold 122 side.
  • the second concave surface 123 is formed to correspond to the shape of the outer peripheral wall of the ball valves 41, 42, 43 among the outer peripheral wall of the second divided body 34.
  • the second inner mold 122 has a second convex surface 124 projecting in a hemispherical shape from the end surface on the second outer mold 121 side.
  • the second convex surface 124 is formed so as to correspond to the shape of the inner peripheral walls of the ball valves 41, 42, and 43 among the outer peripheral walls of the second divided body 34.
  • the second concave surface 123 and the second convex surface 124 in at least a part of the rotation axis Axr1 direction and the circumferential direction of the valve body 31. And the distance is set to be the same.
  • the manufacturing method of the valve 30 includes the following steps.
  • the first divided body 33 and the second divided body 34 are resin-molded by the first mold 110 and the second mold 120, respectively.
  • the first outer mold 111 and the first inner mold 112 are brought into contact with each other
  • the second outer mold 121 and the second inner mold 122 are brought into contact with each other
  • a molten resin is injected between the first concave surface 113 and the first convex surface 114 and between the second concave surface 123 and the second convex surface 171.
  • the resin injected from the injection unit 130 of the mold apparatus 100 flows to the first mold 110 and the second mold 120 via the spool 131, the runner 132, and the gates 133 and 134.
  • the primary molding process is completed.
  • the distance between the second concave surface 123 and the second convex surface 124 is the same.
  • valve body 31 can be made uniform. Thereby, the precision of the spherical surface of the outer peripheral wall of the valve body 31 can be further improved, and the flow passage area of the flow passage 300 can be increased.
  • the first divided body 33 or the second divided body 34 is moved to the first divided body 33 or the second divided body 34 so that the joint surfaces 331 and 341 of the first divided body 33 and the second divided body 34 face each other.
  • the valve 30 can be manufactured efficiently by the sliding process.
  • the shaft 32 is arranged on the rotation axis Axr1 of the valve body 31. Specifically, as illustrated in FIG. 29C, the shaft 32 is disposed on the rotation axis Axr1 between the first divided body 33 and the second divided body 34.
  • welded portions 311, 312, and 313 are formed on the joint surface 341 in the second divided body 34 after the primary molding step.
  • the welded portion 311 is formed in a groove shape so as to be recessed from the joint surface 341 at a portion corresponding to the ball valve 41 of the second divided body 34.
  • the welded portion 312 is formed in a groove shape so as to be recessed from the joint surface 341 corresponding to the cylindrical connecting portion 44 of the second divided body 34.
  • the welded portion 313 is formed in a groove shape so as to be recessed from the joint surface 341 of the portion corresponding to the ball valve 42, the cylindrical valve connecting portion 45, and the ball valve 43 of the second divided body 34.
  • welded parts 311, 312, and 313 are also formed in the first divided body 33.
  • a gate inlet 141 of the mold apparatus 100 is disposed at one end of the welding part 311, and a gate outlet 145 is disposed at the other end of the welding part 311.
  • a gate inlet 142 of the mold apparatus 100 is disposed at one end of the welding portion 312, and a gate outlet 146 is disposed at the other end of the welding portion 312.
  • a gate inlet 143 of the mold apparatus 100 is disposed at the center of the welded portion 313, and gate outlets 147 are disposed at both ends of the welded portion 313.
  • the gate inlet 142 and the gate outlet 146 are disposed in the center of the cylindrical connecting portion 44 in the axial direction.
  • the gate inlet 143 is disposed at the center in the axial direction of the tubular valve connecting portion 45.
  • the gate inlet 141 is disposed on the first outermost end surface 301 of the ball valve 41.
  • the gate outlet 145 is disposed on the end surface of the ball valve 41 opposite to the first outermost end surface 301.
  • the gate outlet 147 is disposed on the second outermost end surface 302 of the ball valve 43 and the end surface of the ball valve 42 on the ball valve 41 side.
  • molten resin is injected from the injection unit 140 of the mold apparatus 100 to the welding units 311, 312, 313 through the gate inlets 141, 142, 143.
  • Resin that has flowed into the welded portions 311, 312, and 313 from the gate inlets 141, 142, and 143 flows toward the gate outlets 145, 146, and 147, and flows out from the gate outlets 145, 146, and 147, respectively.
  • the resin in the welded parts 311, 312, and 313 is cooled and hardened, the first divided body 33, the second divided body 34, and the shaft 32 are welded, and the secondary molding process is completed.
  • the resin remaining at positions corresponding to the gate inlet 142 and the gate outlet 146 of the cylindrical connection portion 44 of the valve body 31 forms a specific shape portion 441. Further, the resin remaining at the position corresponding to the gate inlet 143 of the tubular valve connecting portion 45 of the valve body 31 forms a specific shape portion 451.
  • the present embodiment is a method for manufacturing the valve 30 having the valve body 31 rotatable around the rotation axis Axr1 and the valve body flow passage 300 formed inside the valve body 31.
  • a next forming step and a second forming step are included.
  • the valve body 31 has a first division in which at least a part of the outer peripheral wall is formed into a spherical shape, and at least a part of the inner peripheral wall is formed to be recessed outward, and is divided into two on a virtual plane Vp1 including the rotation axis Axr1. It has the body 33 and the 2nd division body 34, and the 1st division body 33 and the 2nd division body 34 are joined by each joint surface 331,341.
  • the first divided body 33 and the second divided body 34 are resin-molded by the first mold 110 and the second mold 120, respectively.
  • a resin is formed between the welded portions (311, 312, 313) on the joint surface 331 of the first divided body 33 and the welded portions (311, 312, 313) on the joint surface 341 of the second divided body 34.
  • the first divided body 33 and the second divided body 34 are welded.
  • valve 30 By manufacturing the valve 30 by the above manufacturing method, the molding accuracy of the spherical surface of the outer peripheral wall of the valve body 31 can be improved. Thereby, the leakage of the cooling water in the outer peripheral wall of the valve body 31 can be suppressed.
  • valve body flow passage 300 can be increased, and the water flow resistance can be reduced.
  • the valve 30 is manufactured by die slide injection (DSI).
  • DSI molding the valve body 31 is separated into two. Therefore, the numerical aperture of the valve body 31 can be changed without increasing the mold drawing direction, compared to the case of the normal manufacturing method in which the mold is cut in the axial direction of the valve body 31. As a result, complex flow diagrams can be handled.
  • the valve body 31 is integrally formed, the number of dies to be removed increases as the numerical aperture increases.
  • the direction in which the mold is pulled out is the radial direction of the valve body 31, compared with the case of the normal manufacturing method in which the mold is punched in the axial direction of the valve body 31, the mold is rubbed against the surface of the product. Can be prevented. In addition, since the deformation of the product surface can be prevented, the sealing performance is improved.
  • valve body opening rib 411 is formed in a straight line with a predetermined distance from the phantom spherical surface Vs1.
  • the valve body opening ribs 421 and 422 and the valve body opening ribs 431 and 432 are also formed in a straight line with a predetermined distance from a virtual spherical surface along the outer peripheral wall of the ball valves 42 and 43.
  • valve body 31 rotates, it is possible to more effectively suppress the valve seal 36 from being caught by the valve body opening rib 411 and increasing the sliding resistance.
  • the valve element opening rib 411 is formed in a linear flat plate shape.
  • the rib outer edge 401 which is the radially outer portion of the valve body opening rib 411, is formed in a straight line so as to be parallel to the rotation axis Axr1, and the distance from the phantom spherical surface Vs1 changes in the direction of the rotation axis Axr1.
  • the rib inner edge portion 402, which is the radially inner portion of the valve body opening rib 411, is formed in a straight line so as to be parallel to the rotation axis Axr1, and the distance from the phantom spherical surface Vs1 changes in the direction of the rotation axis Axr1.
  • the rib end portion 404 which is the other end portion of the valve body opening rib 411 is connected to a portion of the inner edge end of the valve body opening portion 410 on the cylindrical connection portion 44 side.
  • valve body opening rib 411 is located on the radially outer side of the ball valve 41 with respect to the second restricting convex portion 342. As shown in FIG.
  • the valve body 31 of the valve 30 has a ball valve 46.
  • the shaft 32 is provided on the rotation axis Axr1 of the valve body 31.
  • the ball valve 46 has an outer peripheral wall 461 and an inner peripheral wall 462.
  • the outer peripheral wall 461 is formed in a spherical shape so as to swell outward in the radial direction of the ball valve 46.
  • the inner peripheral wall 462 is formed in a spherical shape so as to be recessed outward in the radial direction of the ball valve 46.
  • the valve body 31 has the same distance between the outer peripheral wall 461 and the inner peripheral wall 462 in at least a partial range in the direction of the rotation axis Axr1 and the circumferential direction. That is, the valve body 31 is formed so that the thickness is uniform (equal thickness) at least in the above range.
  • valve 30 Next, a method for manufacturing the valve 30 will be described.
  • the mold apparatus 150 includes an upper base 151, a lower base 152, an upper support pillar 153, a lower support pillar 154, a mold driver 155, a first inner mold 160, a second inner mold 170, and an outer mold 180. Etc.
  • the upper base 151 is formed in a plate shape.
  • the lower base 152 is formed in a plate shape and is provided so as to be parallel to the upper base 151.
  • the upper support pillar 153 is formed in a rod shape, and one end thereof is connected to the side opposite to the lower base 152 of the upper base 151.
  • Eight upper support columns 153 are provided so that one end of the upper support column 153 has an annular shape around the central axis CAx1 of the mold apparatus 150 in the upper base 151 (see FIG. 36).
  • the upper support column 153 can swing toward the central axis CAx1 at the other end with one end as a fulcrum.
  • the lower support pillar 154 is formed in a rod shape, and one end thereof is connected to the upper base 151 side of the lower base 152.
  • the lower support column 154 is provided so that the other end passes through the hole of the upper base 151 and is located on the opposite side of the lower base 152 with respect to the upper base 151.
  • Eight lower support pillars 154 are provided so that one end forms a ring around the central axis CAx1 in the lower base 152 (see FIG. 37).
  • the lower support column 154 is swingable toward the central axis CAx1 at the other end with one end as a fulcrum.
  • the first inner mold 160 is provided at the other end of each of the eight upper support columns 153. That is, a total of eight first inner molds 160 are provided.
  • the second inner mold 170 is provided at the other end of each of the eight lower support columns 154. That is, a total of eight second inner molds 170 are provided.
  • the first inner mold 160 has a first convex surface 161 on a part of the outer wall.
  • the first convex surface 161 is formed in a spherical shape.
  • the second inner mold 170 has a second convex surface 171 on a part of the outer wall.
  • the second convex surface 171 is formed in a spherical shape.
  • the first inner mold 160 and the second inner mold 170 are alternately arranged in the circumferential direction so that the first convex surface 161 and the second convex surface 171 face the side opposite to the central axis CAx1. .
  • the 1st convex surface 161 and the 2nd convex surface 171 can form the spherical surface continuous in the circumferential direction.
  • the outer mold 180 has a concave surface 181 on the inner wall (see FIG. 39).
  • the concave surface 181 is formed in a spherical shape.
  • the outer mold 180 is disposed outside the first inner mold 160 and the second inner mold 170 so that the concave surface 181 faces the first convex surface 161 and the second convex surface 171.
  • the mold driver 155 is formed in a cylindrical shape.
  • the mold driver 155 is disposed inside the first inner mold 160 and the second inner mold 170 coaxially with the central axis CAx1.
  • An engagement groove 156 is formed on the outer peripheral wall of the mold driver 155.
  • the engaging groove 156 is formed so as to extend from one end to the other end of the mold driver 155.
  • Eight engaging groove portions 156 are formed at equal intervals in the circumferential direction of the mold driver 155.
  • the first inner mold 160 has an engaging convex portion 162 on the side opposite to the first convex surface 161.
  • the engaging convex portion 162 can be engaged with the engaging groove portion 156 of the mold driver 155.
  • the mold driver 155 is movable in the direction of the central axis CAx1 in a state in which the engagement protrusion 162 is engaged with the engagement groove 156.
  • the outer peripheral wall of the mold driver 155 is formed in a tapered shape. Therefore, when the mold driver 155 moves relative to the first inner mold 160 and the second inner mold 170 toward the upper base 151 in the direction of the central axis CAx1, the eight first inner molds 160 gather toward the central axis CAx1. In this way, it moves (see FIGS. 39 and 40).
  • the inner diameter of the spherical surface formed by the first convex surface 161 is reduced.
  • the eight second inner molds 170 can also move so as to gather toward the central axis CAx1. That is, when the first inner mold 160 and the second inner mold 170 move so as to gather toward the central axis CAx1, the inner diameter of the spherical surface formed by the first convex surface 161 and the second convex surface 171 is reduced.
  • the manufacturing method of the valve 30 includes the following steps.
  • the valve body 31 is resin-molded between the outer mold 180 and the first inner mold 160 and the second inner mold 170 disposed inside the outer mold 180. Specifically, as shown in FIGS. 35 and 39A, a space formed between the spherical surface formed by the first convex surface 161 and the second convex surface 171 and the concave surface 181 of the outer die 180. Then, the molten resin is injected. When the resin cools and hardens, the resin molding process is completed.
  • the distance between the concave surface 181 and the first convex surface 161 and the second convex surface 171 is the same in at least a part of the rotational axis Axr1 direction and the circumferential direction (FIG. 39). (See (A)).
  • valve body 31 can be made uniform. Thereby, the precision of the spherical surface of the outer peripheral wall of the valve body 31 can be further improved, and the flow passage area of the flow passage 300 can be increased.
  • the first inner mold 160 and the second inner mold 170 are moved to the inside of the valve body 31. Specifically, as shown in FIGS. 39A and 39B and FIGS. 40A to 40E, the mold driver 155 is centered with respect to the first inner mold 160 and the second inner mold 170. The first inner mold 160 and the second inner mold 170 are moved relative to each other in the direction of the axis CAx1, and the first inner mold 160 and the second inner mold 170 are moved toward the central axis CAx1, thereby reducing the diameter of the spherical surface formed by the first convex surface 161 and the second convex surface 171.
  • first inner mold 160 and the second inner mold 170 are extracted from the valve body 31 by moving the first inner mold 160 and the second inner mold 170 relative to the valve body 31 in the direction of the central axis CAx1.
  • the protrusion height H1 of the first convex surface 161 and the second convex surface 171 is such that the first inner die 160 and the second inner die 170 can move in the die moving step. It is set smaller than the distance Dm1.
  • the present embodiment is a method for manufacturing the valve 30 having the valve body 31 rotatable around the rotation axis Axr1 and the valve body flow passage 300 formed inside the valve body 31, and includes a resin.
  • a molding process and a mold moving process are included.
  • the valve body 31 is formed such that at least a part of the outer peripheral wall is formed in a spherical shape and at least a part of the inner peripheral wall is recessed outward.
  • valve body 31 is resin-molded between the outer mold 180 and the inner molds (160, 170) disposed inside the outer mold 180.
  • the inner mold (160, 170) is moved to the inside of the valve body 31 after the resin molding process.
  • valve 30 By manufacturing the valve 30 by the above manufacturing method, the molding accuracy of the spherical surface of the outer peripheral wall of the valve body 31 can be improved. Thereby, the leakage of the cooling water in the outer peripheral wall of the valve body 31 can be suppressed.
  • valve body flow passage 300 can be increased, and the water flow resistance can be reduced.
  • FIG. 42 shows a valve device according to the sixth embodiment.
  • the sixth embodiment differs from the first embodiment in the configuration of the valve 30 and the like.
  • the ball valves 41 and 42, the cylindrical valve connection portion 45, and the ball valve 43 of the valve body 31 are integrally arranged in this order from the drive portion 70 side in the direction of the rotation axis Axr1 toward the opposite side of the drive portion 70. Is formed.
  • the valve body 31 is formed in a cylindrical shape, and the inner peripheral walls of the ball valves 41 and 42, the cylindrical valve connecting portion 45, and the ball valve 43 are formed in a substantially cylindrical surface centered on the rotation axis Axr1.
  • the inner peripheral wall of the valve body 31 is formed in a tapered shape so that the inner diameter increases from the drive unit 70 side in the direction of the rotation axis Axr1 toward the opposite side of the drive unit 70.
  • the valve body 31 is formed so that the outer peripheral wall of the ball valves 41, 42, 43 is spherical.
  • the shaft 32 is provided integrally with the valve body 31 on the rotation axis Axr1.
  • the outlet ports 221, 222, 223 are formed at positions corresponding to the ball valves 41, 42, 43, respectively.
  • the end of the pipe portion 511 opposite to the outlet port 221 is connected to the radiator 5 via a hose or the like.
  • the end of the pipe portion 512 opposite to the outlet port 222 is connected to the heater 6 via a hose or the like.
  • the end of the pipe portion 513 opposite to the outlet port 223 is connected to the device 7 via a hose or the like.
  • the ball valves 41, 42, 43 are provided at positions corresponding to the outlet ports 221, 222, 223, respectively.
  • the “position corresponding to the outlet ports 221, 222, 223” means a range that overlaps the projection when the outlet ports 221, 222, 223 are projected in the axial direction of the outlet ports 221, 222, 223. .
  • the cylindrical valve connection portion 45 is provided between the outlet port 222 and the outlet port 223 in the direction of the rotation axis Axr1.
  • the mounting surface 201 is formed so as to be orthogonal to the pipe mounting surface 202 (see FIG. 43).
  • the inlet port 220 is formed to open to the mounting surface 201.
  • the opening of the inlet port 220 in the mounting surface 201 is circular.
  • valve device 10 is attached to the engine 2 in a narrow space A2 between the engine 2 and the inverter 16.
  • the valve device 10 is attached to the engine 2 such that the pipe member 50 is positioned above the valve 30 in the vertical direction.
  • the housing 20 has fastening portions 231, 232, and 233 formed integrally with the housing main body 21.
  • the fastening portions 231, 232, and 233 are formed so as to protrude in the surface direction of the mounting surface 201 from the end of the housing body 21 on the mounting surface 201 side.
  • the housing 20 has fastening holes 241, 242, 243 formed corresponding to the fastening portions 231, 232, 233, respectively.
  • the fastening member 240 is inserted into the fastening holes 241, 242, and 243 and fastened to the engine 2. Thereby, the valve device 10 is attached to the engine 2.
  • a rubber-made port seal member 209 is provided on the outer side in the radial direction of the inlet port 220 of the mounting surface 201.
  • the port seal member 209 is compressed by the axial force of the fastening member 240 when the valve device 10 is attached to the engine 2.
  • the port seal member 209 can keep the mounting surface 201 and the engine 2 in a liquid-tight state, and can prevent the coolant from leaking from the inlet port 220 through the mounting surface 201 and the engine 2. .
  • the opening of the inlet port 220 is formed inside a triangle Ti1 formed by connecting three fastening holes, that is, fastening holes 241, 242, and 243.
  • the present embodiment is a valve device 10 that can control the cooling water of the engine 2 of the vehicle 1, and includes the housing 20 and the valve 30.
  • the housing 20 has a housing main body 21 that forms an internal space 200 on the inside, a mounting surface 201 formed on the outer wall of the housing main body 21 so as to face the engine 2 when mounted on the engine 2,
  • An inlet port 220 that connects the space 200 and the outside of the housing body 21, a plurality of fastening portions (231, 232, 233) formed integrally with the housing body 21, and a plurality of fastening portions, respectively.
  • the valve 30 includes a valve body 31 that can rotate around the rotation axis Axr1 in the internal space 200, and a valve body flow path 300 that is formed inside the valve body 31 and communicates with the inlet port 220.
  • the housing body 21 is fixed to the engine 2 by a fastening member 240 that is screwed into the engine 2 through the fastening holes (241, 242, 243).
  • the opening of the inlet port 220 is formed inside a triangle Ti1 formed by connecting three fastening holes (241, 242, 243).
  • the port seal member 209 made of an annular elastic member is provided around the inlet port 220, the housing body 21 is fixed to the engine 2 by the fastening member 240 that passes through the three fastening holes (231, 232, 233).
  • the port seal member 209 can be compressed with a good balance. Thereby, the sealing performance around the inlet port 220 can be effectively secured.
  • the fastening portion 231 is formed to protrude from the housing body 21 in the longitudinal direction of the housing body 21.
  • the fastening portions 232 and 233 are formed so as to protrude from the housing main body 21 in the short direction of the housing main body 21.
  • the protrusion start position of the fastening portion 231 is a corner portion on the opposite side of the drive portion 70 of the rectangular mounting surface 201 where the inlet port 220 of the housing body 21 is formed.
  • the protruding start position of the fastening portion 232 is the position of the inlet port 220 on the side opposite to the fastening portion 233 among the two sides extending in the longitudinal direction of the rectangular mounting surface 201 on which the inlet port 220 of the housing body 21 is formed. It is a nearby part.
  • the protruding start position of the fastening portion 233 is a portion on the drive portion 70 side of the end portion of the housing body 21 in the short direction.
  • the distance between the side of the triangle Ti1 that connects the center of the fastening hole 241 and the center of the fastening hole 242 and the center Cp1 of the inlet port 220 is the distance between the center of the fastening hole 242 and the fastening hole 243. It is smaller than the distance between the side connecting the center and the center Cp1.
  • the distance between the side connecting the center of the fastening hole 242 and the center of the fastening hole 243 and the center Cp1 is smaller than the distance between the side connecting the center of the fastening hole 243 and the center of the fastening hole 241 and the center Cp1.
  • the drive part cover 80 is formed on the cover body 81 that forms the drive part space 800, and the outer edge part of the cover body 81. Cover fixing portions 821 to 826 to be fixed to 21.
  • Cover fastening holes 831 to 836 are formed with cover fastening holes 831 to 836, respectively.
  • a fixing member 830 is inserted into the cover fastening holes 831 to 836 and fastened to the housing body 21.
  • cover fixing portions 823 and 824 are formed so as not to protrude outward from at least one of both end portions in the direction Dv1 perpendicular to the mounting surface 201 of the housing main body 21.
  • the cover fixing portions 823 and 824 are outside the housing end 215 that is the end opposite to the mounting surface 201 in the direction Dv1 perpendicular to the mounting surface 201 of the housing body 21, that is, the mounting surface. It is formed so as not to protrude to the opposite side of 201.
  • the 45 is a virtual plane that passes through the housing end 215 and is parallel to the mounting surface 201.
  • the cover fixing portions 823 and 824 are located on the attachment surface 201 side with respect to the virtual plane Vp3.
  • cover fixing portions 821 and 826 do not protrude outside the housing end portion 216 that is the end portion on the mounting surface 201 side in the direction Dv1 perpendicular to the mounting surface 201 of the housing body 21, that is, the mounting surface 201 side. Is formed. That is, the cover fixing portions 821 and 826 are located on the virtual plane Vp3 side with respect to the attachment surface 201.
  • the cover main body 81 is a part of the driving unit cover 80 and means a part that forms the driving unit space 800. Therefore, the cover fixing portions 821 to 826 are portions constituting the drive portion cover 80, but are formed as portions different from the cover main body 81.
  • cover flat portions 811, 812, 813 and a cover curved surface portion 814 are formed on the outer wall of the cover body 81.
  • One cover flat portion 811 is formed in a flat shape so as to be orthogonal to the rotation axis Axr1.
  • a plurality of cover flat portions 812 are formed in a planar shape so as to be parallel to the rotation axis Axr1.
  • One flat cover portion 813 is formed in a flat shape so as to be inclined with respect to the rotation axis Axr1.
  • a plurality of cover curved surface portions 814 are formed in a curved shape so as to be parallel to the rotation axis Axr1.
  • the plurality of cover curved surface portions 814 are connected to each other.
  • the cover fastening holes 831 to 833 are formed on the pipe member 50 side with respect to the axis Axm1 of the motor 71.
  • Cover fastening holes 834 to 836 are formed on the connector portion 84 side with respect to the axis Axm1 of the motor 71.
  • the cover fastening hole 833 is formed at a position closer to the axis Axm1 of the motor 71 than the cover fastening holes 831 and 832.
  • the cover fastening hole 834 is formed at a position closer to the axis Axm1 of the motor 71 than the cover fastening holes 835 and 836.
  • the present embodiment is a valve device 10 that can control the cooling water of the engine 2 of the vehicle 1, and includes the housing 20, the valve 30, the partition wall portion 60, the drive portion cover 80, and the drive portion 70. .
  • the housing 20 includes a housing main body 21 that forms an internal space 200 inside, a mounting surface 201 that is formed on the outer wall of the housing main body 21 so as to face the engine 2 when mounted on the engine 2, and the internal space 200 and the housing. It has ports (220, 221, 222, 223) for connecting to the outside of the main body 21.
  • the valve 30 connects the valve body 31 that can rotate around the rotation axis Axr1 in the internal space 200, the valve body channel 300 formed inside the valve body 31, and the valve body channel 300 and the outside of the valve body 31.
  • Valve body openings (410, 420, 430) and a shaft 32 provided on the rotation axis Axr1, and the valve body flow path 300 and ports (via the valve body openings (410, 420, 430)) 220, 221, 222, 223) can be changed by the rotational position of the valve body 31.
  • the partition wall portion 60 is provided so as to separate the internal space 200 from the outside of the housing body 21 and has a shaft insertion hole 62 formed so that one end of the shaft 32 can be inserted.
  • the drive unit cover 80 is provided on the opposite side of the partition wall 60 from the internal space 200, and forms a drive unit space 800 between the partition wall 60.
  • the drive unit 70 is provided in the drive unit space 800 and can rotate the valve body 31 via one end of the shaft 32.
  • the drive unit cover 80 includes a cover main body 81 that forms the drive unit space 800, and cover fixing portions (821 to 826) that are formed on the outer edge of the cover main body 81 and are fixed to the housing main body 21.
  • the cover fixing portions (821 to 826) are formed so as not to protrude outwardly from at least one of both end portions (215, 216) in the direction Dv1 perpendicular to the mounting surface 201 of the housing body 21.
  • the size in the direction Dv1 perpendicular to the mounting surface 201 of the drive unit cover 80 can be reduced, and the size in the direction Dv1 perpendicular to the mounting surface 201 of the valve device 10 can be reduced.
  • the valve device 10 can be mounted in the narrow space A ⁇ b> 2 of the vehicle 1.
  • valve device 10 As shown in FIG. 44, various devices are mounted around the engine 2. Therefore, the space where the valve device 10 can be arranged is limited in the engine room. In the present embodiment, since the size of the valve device 10 can be reduced, the valve device 10 can be easily mounted in the narrow space A2 of the vehicle 1 (see FIG. 44).
  • the cover fixing portions 821 to 826 are located on a virtual plane Vp4 perpendicular to the attachment surface 201.
  • the virtual plane Vp4 is a plane that is also perpendicular to the rotation axis Axr1 and the axis Axs1 of the shaft 32.
  • the height of the drive unit cover 80 can be reduced.
  • the housing end 215 which is the end opposite to the mounting surface 201 of the housing main body 21 is more than the cover end 815 which is the end opposite to the mounting surface 201 of the cover main body 81. It is formed so as not to protrude outward.
  • the cover end 815 is formed along the virtual plane Vp3.
  • the physique in the direction Dv1 perpendicular to the mounting surface 201 of the housing body 21 can be reduced, and the physique in the direction Dv1 perpendicular to the mounting surface 201 of the valve device 10 can be further reduced.
  • the housing body 21 has a notch 212 that exposes the partition wall 60 at the housing end 215 that is the end opposite to the mounting surface 201.
  • the physique in the direction Dv1 perpendicular to the mounting surface 201 of the valve device 10 can be further reduced.
  • the notch portion 212 is formed between the cover fixing portion 823 and the cover fixing portion 824.
  • the connector portion 84 is formed so as not to protrude outward from at least one of both end portions in the direction Dv1 perpendicular to the mounting surface 201 of the cover body 81.
  • the connector portion 84 is outside the cover end 815 that is the end opposite to the mounting surface 201 in the direction Dv1 perpendicular to the mounting surface 201 of the cover body 81, that is, opposite to the mounting surface 201. It is formed so as not to protrude to the side. That is, the connector part 84 is located on the attachment surface 201 side with respect to the virtual plane Vp3.
  • the connector portion 84 is formed so as not to protrude outward from the cover end portion 816 that is an end portion on the mounting surface 201 side in the direction Dv1 perpendicular to the mounting surface 201 of the cover body 81, that is, to the mounting surface 201 side. . That is, the connector portion 84 is located on the virtual plane Vp3 side with respect to the attachment surface 201.
  • the connector portion 84 is formed so as to protrude in a direction other than the direction Dv ⁇ b> 1 perpendicular to the attachment surface 201 from the outer edge portion of the cover main body 81.
  • the connector portion 84 is formed so as to protrude from the outer edge portion of the cover main body 81 in a direction Dp1 parallel to the attachment surface 201.
  • the parallel direction Dp1 is a direction perpendicular to the rotation axis Axr1 and the axis Axs1 of the shaft 32.
  • the size in the direction Dv1 perpendicular to the mounting surface 201 of the drive unit cover 80 can be made smaller, and the size in the direction Dv1 perpendicular to the mounting surface 201 of the valve device 10 can be made smaller.
  • the connector portion 84 is formed so as to protrude in the direction Dp1 from a portion between the cover fixing portion 825 and the cover fixing portion 826 in the outer edge portion of the cover main body 81.
  • the present embodiment is a valve device 10 that can control the cooling water of the engine 2 of the vehicle 1, and includes the housing 20, the valve 30, the partition wall portion 60, the drive portion cover 80, and the drive portion 70. .
  • the housing 20 includes a housing main body 21 that forms an internal space 200 on the inner side, and a housing side cover fixing portion (291 that is formed as a portion different from the housing main body 21 so as to protrude from the outer wall of the housing main body 21. 296), a mounting surface 201 formed on the outer wall of the housing body 21 so as to face the engine 2 in a state of being mounted on the engine 2, and a port (220, connecting the inner space 200 and the outside of the housing body 21). 221, 222, 223).
  • the valve 30 connects the valve body 31 that can rotate around the rotation axis Axr1 in the internal space 200, the valve body channel 300 formed inside the valve body 31, and the valve body channel 300 and the outside of the valve body 31.
  • Valve body openings (410, 420, 430) and a shaft 32 provided on the rotation axis Axr1, and the valve body flow path 300 and ports (via the valve body openings (410, 420, 430)) 220, 221, 222, 223) can be changed by the rotational position of the valve body 31.
  • the partition wall portion 60 is provided so as to separate the internal space 200 from the outside of the housing body 21 and has a shaft insertion hole 62 formed so that one end of the shaft 32 can be inserted.
  • the drive unit cover 80 is provided on the opposite side of the partition wall 60 from the internal space 200, and forms a drive unit space 800 between the partition wall 60.
  • the drive unit 70 is provided in the drive unit space 800 and can rotate the valve body 31 via one end of the shaft 32.
  • the drive unit cover 80 is formed as a portion different from the cover main body 81 so as to protrude from the outer wall of the cover main body 81 and the cover main body 81 that forms the drive unit space 800.
  • Cover fixing portions (821 to 826) fixed to (291 to 296).
  • the cover fixing portions 821 to 826 are fixed to the housing side cover fixing portions 291 to 296 by the fixing member 830, respectively.
  • the cover fixing portions (821 to 826) are formed so as not to protrude outwardly from at least one of both end portions (215, 216) in the direction Dv1 perpendicular to the mounting surface 201 of the housing body 21.
  • the housing end portions 215 and 216 which are both ends in the direction Dv1 perpendicular to the mounting surface 201 of the housing main body 21 are formed in the housing main body 21 as portions different from the housing side cover fixing portions 291 to 296.
  • the size in the direction Dv1 perpendicular to the mounting surface 201 of the drive unit cover 80 can be reduced, and the size in the direction Dv1 perpendicular to the mounting surface 201 of the valve device 10 can be reduced.
  • the valve device 10 can be mounted in the narrow space A ⁇ b> 2 of the vehicle 1.
  • the cover fixing portions 821 to 826 are arranged in the direction Dv1 perpendicular to the attachment surface 201 of the housing main body 21 and both end portions (215, 216) ) So as not to protrude outwardly from at least one of them. That is, the cover fixing portions 821 to 826 are formed so as not to protrude from the housing end portion 215 in the direction Dv1 perpendicular to the mounting surface 201 which is the thinnest direction of the housing body 21.
  • the physique in the direction Dv1 and the horizontal direction perpendicular to the mounting surface 201 of the drive unit cover 80 can be reduced, and the physique in the direction Dv1 and the horizontal direction perpendicular to the mounting surface 201 of the valve device 10 can be reduced.
  • the valve device 10 can be mounted in the narrow space A2 that is perpendicular to the mounting surface 201 and narrow in the horizontal direction Dv1.
  • the housing 20 includes housing side fixing sections 251 to 256 formed integrally with the housing main body 21.
  • the housing-side fixing portions 251 to 253 are formed so as to be aligned in a direction parallel to the rotation axis Axr1 on the opposite side of the attachment surface 201 with respect to a virtual plane Vp5 including the rotation axis Axr1 and parallel to the attachment surface 201.
  • the housing side fixing portions 254 to 256 are formed so as to be aligned in a direction parallel to the rotation axis Axr1 on the mounting surface 201 side with respect to the virtual plane Vp5. That is, the housing side fixing portions 251 to 253 and the housing side fixing portions 254 to 256 are formed so as to sandwich the virtual plane Vp5 therebetween.
  • the distance between the housing side fixing portion 251 and the housing side fixing portion 252 is larger than the distance between the housing side fixing portion 252 and the housing side fixing portion 253.
  • the distance between the housing side fixing portion 254 and the housing side fixing portion 255 is the same as the distance between the housing side fixing portion 255 and the housing side fixing portion 256.
  • the distance between the housing side fixing portion 252 and the housing side fixing portion 253 is smaller than the distance between the housing side fixing portion 255 and the housing side fixing portion 256.
  • the housing side fixing portion 251 is formed on the drive portion 70 side with respect to the housing side fixing portion 254 in the direction of the rotation axis Axr1.
  • the housing side fixing portion 252 is formed on the housing side fixing portion 256 side with respect to the housing side fixing portion 255 in the direction of the rotation axis Axr1.
  • the housing side fixing portion 253 is formed on the opposite side to the driving portion 70 with respect to the housing side fixing portion 256 in the direction of the rotation axis Axr1.
  • Housing side fastening holes 261 to 266 are formed in the housing side fixing portions 251 to 256, respectively.
  • the housing side fastening holes 261 to 266 are formed in a substantially cylindrical shape, and are formed so that the axes are parallel to the mounting surface 201, the virtual plane Vp5, and the vertical direction. Further, no thread groove is formed in advance on the inner peripheral wall of the housing side fastening holes 261 to 266.
  • the pipe member 50 has pipe portions 511 to 514, a pipe connecting portion 52, pipe side fixing portions 531 to 536, and the like.
  • the pipe portions 511 to 513 are provided so that the inner spaces communicate with the outlet ports 221 to 223, respectively.
  • the pipe portion 514 is provided so that the inner space communicates with the relief port 224.
  • the pipe part 511 and the pipe part 514 are integrally formed, and the inner spaces communicate with each other.
  • the pipe part 512 and the pipe part 514 are integrally formed so that an outer wall may connect, the inner space is not mutually connected.
  • the pipe connecting portion 52 is formed integrally with the pipe portions 511 to 514 so as to connect the end portions of the pipe portions 511 to 514 on the housing body 21 side.
  • the pipe side fixing portions 531 to 536 are formed at positions corresponding to the housing side fixing portions 251 to 256 at the outer edge portion of the pipe connecting portion 52, respectively.
  • Pipe side fastening holes 541 to 546 are formed in the pipe side fixing portions 531 to 536, respectively.
  • the pipe side fastening holes 541 to 546 are formed in a substantially cylindrical shape, and are formed so that their respective axes substantially coincide with the axes of the housing side fastening holes 261 to 266.
  • the valve device 10 includes a pipe fastening member 540.
  • the pipe fastening member 540 passes through the pipe side fastening holes 541 to 546 and is screwed into the housing side fastening holes 261 to 266 to fix the pipe side fixing parts 531 to 536 and the housing side fixing parts 251 to 256.
  • the housing side fixing portions 251 to 256 are formed in a substantially cylindrical shape.
  • the housing-side fixing portions 251 to 256 are provided so that one end surface in the axial direction is located on the same plane as the pipe mounting surface 202.
  • the housing 20 has a housing connection portion 259 that connects the outer peripheral wall on the other end side in the axial direction of the housing side fixing portions 251 to 256 and the outer wall of the housing body 21.
  • the housing-side fixing portions 251 to 256 form an inter-housing gap Sh1 as a gap with the outer wall of the housing main body 21.
  • the inter-housing gap Sh1 is formed between the housing connecting portion 259 and the pipe-side fixing portions 531 to 536.
  • the inter-housing gap Sh1 is formed between the housing-side fixing portions 251 to 256, the outer wall of the housing main body 21, the housing connection portion 259, and the pipe-side fixing portions 531 to 536.
  • the housing side fastening holes 261 to 266 are formed to be coaxial with the housing side fixing portions 251 to 256, respectively. Further, the ends of the housing side fastening holes 261 to 266 opposite to the pipe member 50 are located closer to the pipe member 50 than the housing connecting portion 259.
  • the present embodiment is a valve device 10 that can control the cooling water of the engine 2 of the vehicle 1, and includes the housing 20, the valve 30, the pipe member 50, and the pipe fastening member 540.
  • the housing 20 includes a housing main body 21 that forms an internal space 200 on the inner side, a housing side fixing portion (251 to 256) that is formed integrally with the housing main body 21, and a housing side fastening hole (261 to that that is formed in the housing side fixing portion). 266) and ports (220, 221, 222, 223, 224) for connecting the internal space 200 and the outside of the housing body 21.
  • the valve 30 includes a valve body 31 that can rotate around the rotation axis Axr1 in the internal space 200, a valve body channel 300 formed inside the valve body 31, and a valve body channel 300 and the outside of the valve body 31.
  • the valve body opening portion (410, 420, 430) for connecting the valve body 31 and the communication state between the valve body flow path 300 and the port via the valve body opening portion can be changed by the rotational position of the valve body 31.
  • the pipe member 50 has a cylindrical pipe portion (511, 512, 513, 514) whose inner space communicates with the ports (221, 222, 223, 224), and is integrally formed with the pipe portion and fixed to the housing side fixing portion.
  • Pipe-side fixing portions (531 to 536) and pipe-side fastening holes (541 to 546) formed in the pipe-side fixing portion.
  • the pipe fastening member 540 passes through the pipe side fastening holes (541 to 546) and is screwed into the housing side fastening holes (261 to 266), whereby the pipe side fixing parts (531 to 536) and the housing side fixing parts (251 to 256). ) And fix.
  • the housing side fixing portion (251 to 256) forms a gap (Sh1) between the housing side fixing portion (251 to 256) and the outer wall of the housing main body 21.
  • the housing main body 21 since the outlet port 221 is connected to the radiator 5 and has a large flow rate, the housing main body 21 has cracks from the housing side fixing portions 251 and 254 in the vicinity of the outlet port 221 among the housing side fixing portions (251 to 256). The leakage of cooling water can be effectively suppressed by suppressing the amount of the water from reaching the above.
  • the housing side fixing portion 251 and the housing side fixing portion 254 are formed so as to sandwich the outlet port 221 therebetween.
  • the housing side fixing portions 251 and 254 are formed at a position closer to the outlet port 221 than the housing side fixing portions 252, 253, 255, and 256, that is, in the vicinity of the outlet port 221.
  • the center of the outlet port 221 is located between two parallel tangents that contact the outer edges of the housing side fastening holes 261 and 264.
  • the housing 20 has outlet ports 221 to 223.
  • the pipe member 50 has pipe portions 511 to 513 connected to each other.
  • the valve device 10 is provided in each of the pipe portions 511 to 513, and includes a plurality of seal units 35 that can be liquid-tightly held between the outer peripheral wall of the valve body 31.
  • the number of parts can be reduced for tapping. Moreover, the assembly man-hour of the pipe member 50 can be reduced.
  • the ends where the seal units 35 of the pipe portions 511 to 513 are provided are connected to each other by a pipe connecting portion 52.
  • the ends of the pipe portions 511 to 513 where the seal unit 35 is provided are formed so that their axes are parallel to each other.
  • the outlet ports 221 to 223 provided with the seal unit 35 are formed so that their axes are parallel and open to the pipe mounting surface 202. Yes.
  • the outlet ports 221 to 223 are formed so as to be coaxial with the end portions of the pipe portions 511 to 513 where the seal units 35 are provided.
  • the pipe member 50 assembled with the plurality of seal units 35 can be assembled to the housing body 21 from one direction.
  • the valve device 10 includes a gasket 509.
  • the gasket 509 is formed of, for example, an elastic member such as rubber, and is provided between the pipe member 50 and the pipe mounting surface 202 of the housing body 21 on the radially outer side of each of the pipe portions 511 to 513.
  • the space between the main body 21 can be kept liquid-tight.
  • the pipe member 50 can be assembled to the housing body 21 with the three seal units 35 held by the pipe portions 511 to 513.
  • the gasket 509 is assembled to the housing main body 21 together with the pipe member 50 in a state of being fitted into the gasket groove 521 formed in the pipe connecting portion 52. That is, the pipe member 50 assembled with the plurality of seal units 35 and the gaskets 509 can be assembled to the housing main body 21 from one direction at a time.
  • valve device 10 can be improved. This is important because the device mounted on the vehicle 1 is required to have high quality.
  • the outer diameters of the three seal units 35 provided in the pipe portions 511 to 513 are set according to the size of the inner diameter of the pipe portions 511 to 513, respectively.
  • the outer diameter of the seal unit 35 provided in the pipe part 511 is larger than the outer diameter of the seal unit 35 provided in the pipe parts 512 and 513.
  • the outer diameter of the seal unit 35 provided in the pipe part 512 is substantially the same as the outer diameter of the seal unit 35 provided in the pipe part 513.
  • the outlet ports 221 to 223 and the relief port 224 are arranged on a straight line connecting two housing side fastening holes among the plurality of housing side fastening holes (261 to 266) or three housing side fastening holes.
  • the center is formed inside the triangle formed by
  • the center of the outlet port 221 is located inside a triangle To1 formed by connecting the center of the housing side fastening hole 261, the center of the housing side fastening hole 262, and the center of the housing side fastening hole 264. Is formed.
  • the outlet port 222 is formed so that the center is located on a straight line Lo1 that connects the center of the housing side fastening hole 262 and the center of the housing side fastening hole 265.
  • the outlet port 223 is formed so that the center is located inside the triangle To2 formed by connecting the center of the housing side fastening hole 262, the center of the housing side fastening hole 263, and the center of the housing side fastening hole 266.
  • the relief port 224 is formed so that the center is located inside the triangle To1.
  • the seal load of the gasket 509 on the radially outer side of the outlet ports 221 to 223 and the relief port 224 can be dispersed and stabilized.
  • the housing 20 has a pipe attachment surface 202 formed on the outer wall of the housing body 21 so as to face the pipe member 50 in a state where the pipe member 50 is attached to the housing body 21.
  • the ports formed in the housing body 21 include three outlet ports (221 to 223) that open to the pipe mounting surface 202, and one relief port 224.
  • the valve device 10 includes a relief valve 39.
  • the relief valve 39 is provided in the relief port 224 and allows or blocks communication between the internal space 200 and the outside of the housing body 21 via the relief port 224 depending on conditions. Specifically, the relief valve 39 is opened when a predetermined condition, for example, the temperature of the cooling water becomes equal to or higher than a predetermined temperature, and the interior space 200 via the relief port 224 and the outside of the housing main body 21, that is, a pipe The communication with the space inside the portion 511 is allowed, and the communication is blocked when the temperature of the cooling water becomes lower than a predetermined temperature.
  • At least two of the three outlet ports (221 to 223) (221 to 223) have a port arrangement line Lp1 in which the center of each opening is one straight line on the pipe mounting surface 202. It is formed so as to be located above.
  • the port array straight line Lp1 is parallel to the attachment surface 201 and is located on the virtual plane Vp5.
  • At least two (221 to 223) of the three outlet ports (221 to 223) are formed so that the centers of the respective openings are arranged in a straight line in the direction of the rotation axis Axr1 on the pipe mounting surface 202. Yes.
  • the relief port 224 is formed such that the center of the opening is located at a position away from the port arrangement line Lp1 to the side opposite to the mounting surface 201.
  • the inlet port 220, the relief port 224, and the inter-valve space 400 overlap in the direction of the rotation axis Axr1. Therefore, when the cooling water flowing from the inlet port 220 is guided to the relief port 224, it is possible to suppress the ball valves 41 and 42 from becoming an obstacle, and the temperature of the cooling water from the inlet port 220 is smoothly transmitted to the relief valve 39. The reactivity of the relief valve 39 can be improved.
  • the relief port 224 can be formed in the housing body 21 while reducing the size of the housing body 21 by arranging the three outlet ports (221 to 223) in a straight line.
  • the relief port 224 is formed in the housing main body 21 so that a part thereof is located between the outlet port 221 and the outlet port 222.
  • a part of the relief port 224 is formed in a region where two tangent lines connecting the outer edge of the outlet port 221 and the outer edge of the outlet port 222 are formed.
  • the physique of the housing body 21 in which the relief port 224 is formed can be made smaller.
  • the relief port 224 is formed so that the center of the opening is located on a relief arrangement line Lr1 that is a straight line on the pipe mounting surface 202 parallel to the port arrangement line Lp1.
  • the relief arrangement line Lr1 is located on the opposite side of the mounting surface 201 with respect to the port arrangement line Lp1.
  • the distance from the mounting surface 201 to the center of the relief port 224 is larger than the distance from the mounting surface 201 to the respective centers of the outlet ports 221, 222, and 223.
  • the portion opposite to the mounting surface 201 with respect to the center of at least two (221 to 223) of the three outlet ports (221 to 223) is the center of the relief port 224. On the other hand, it overlaps with the part on the mounting surface 201 side.
  • the center of the three outlet ports forms a triangle on the pipe mounting surface 202
  • the center of the two outlet ports far from the mounting surface 201 is opposite to the mounting surface 201 when viewed from the direction of the rotation axis Axr1.
  • the part overlaps the part on the mounting surface 201 side with respect to the center of the relief port 224.
  • the physique of the housing body 21 in which the relief port 224 is formed can be made smaller.
  • At least two (261 to 263) of the plurality of housing side fastening holes (261 to 266) are fastening hole arrangement straight lines which are straight lines located on the relief port 224 side with respect to the port arrangement straight line Lp1. It is formed on Lh1.
  • the fastening hole arrangement line Lh1 is parallel to the port arrangement line Lp1 and the relief arrangement line Lr1, and is located on the opposite side of the port arrangement line Lp1 with respect to the relief arrangement line Lr1.
  • the relief port 224 is formed so as to overlap a part of the fastening hole array straight line Lh1.
  • the physique of the housing body 21 in which the relief port 224 is formed can be made smaller.
  • the pipe portions 511 to 513 are formed on the opposite side of the pipe portion main body 501 and the outlet ports 221 to 223 (pipe connecting portions 52) of the pipe portion main body 501, and have an inner diameter of the pipe portion main body 501.
  • the pipe portion end 502 has an outer diameter larger than the outer diameter of the pipe portion main body 501.
  • the mold when the pipe part end 502 is formed by, for example, forcibly removing, the mold can be pulled out while easily deforming the pipe part end 502 inward, and cracking of the pipe part end 502 can be suppressed. Thereby, the leakage of the cooling water from the pipe part edge part 502 can be suppressed.
  • the outer diameter of the pipe part end part 502 is larger than the outer diameter of the pipe part main body 501, disconnection of the hose etc. connected to the pipe part end part 502 can be suppressed.
  • the pipe portion 511 is formed so as to extend from the pipe mounting surface 202 to the side opposite to the outlet port 221.
  • the pipe portion 512 is formed so as to extend from the pipe mounting surface 202 to the side opposite to the outlet port 222.
  • the pipe portion 513 is formed so as to extend from the pipe mounting surface 202 to the side opposite to the outlet port 223 and then bend and extend to the side opposite to the pipe portion 512 in a direction parallel to the rotation axis Axr1.
  • the pipe part 513 is formed to bend at a position corresponding to the center of the pipe part 512 in the axial direction. Therefore, a gap Sp ⁇ b> 1 is formed between the pipe portion 512 side portion of the pipe portion 512 and the pipe portion 513.
  • the pipe portions 511 to 513 have pipe portion protrusions 503 that protrude outward from the outer wall of the pipe portion main body 501.
  • the pipe portion protrusion 503 can easily determine the fixing position of the hose with respect to the pipe portions 511 to 513, and can prevent the hose from being deeply stuck in the pipe portions 511 to 513.
  • the pipe protrusion 503 is formed on a virtual plane Vp5 parallel to the attachment surface 201.
  • the pipe protrusion 503 is formed so as to be linearly arranged in the direction of the rotation axis Axr1.
  • the size in the direction perpendicular to the mounting surface 201 of the pipe member 50 can be reduced, and the physique of the valve device 10 can be reduced.
  • one pipe protrusion 503 is formed with respect to the pipe part 511.
  • Two pipe part protrusions 503 are formed on the pipe part 512 so as to sandwich the pipe part 512 therebetween.
  • Two pipe part protrusions 503 are formed on the pipe part 513 so as to sandwich the pipe part 513 (see FIG. 50).
  • the pipe member 50 has a plurality of pipe portions (511 to 514) and a pipe connecting portion 52 for connecting the portions of the plurality of pipe portions (511 to 514) on the housing body 21 side. ing.
  • the number of members can be reduced, and the sealing performance between the pipe member 50 and the housing body 21 can be ensured by disposing the gasket 509 between the pipe connecting portion 52 and the housing body 21.
  • the pipe connecting part 52 is formed on the seal unit 35 side with respect to the pipe part protrusion 503 formed in the pipe parts 511 to 513. Further, the outer edge portion of the pipe connecting portion 52 is formed to extend outward in the radial direction of the end portion on the pipe mounting surface 202 side of the pipe portions 511 to 514 (see FIGS. 47 and 50).
  • the housing 20 includes a housing opening 210 that connects the internal space 200 and the outside of the housing body 21, and a cylindrical housing that has one end connected to the housing opening 210 and forms the internal space 200. It has an inner wall 211.
  • the valve 30 has a shaft 32 provided on the rotation axis Axr1.
  • the valve device 10 is formed in the partition wall body 61 provided in the housing opening 210 so as to separate the internal space 200 and the outside of the housing body 21 and the partition wall body 61 so that one end of the shaft 32 can be inserted.
  • a partition wall 60 having a shaft insertion hole 62 is provided.
  • the inner diameter of the housing opening 210 is larger than the inner diameter of the end of the housing inner wall 211 opposite to the housing opening 210.
  • the flow path area on the housing opening 210 side of the internal space 200 can be increased. Therefore, especially the flow volume of the cooling water sent to the outlet port 221 (radiator 5) side formed in the housing opening part 210 side can be increased.
  • annular seal member 600 provided between the housing opening 210 and the partition wall body 61 of the partition wall 60 and capable of holding the space between the housing opening 210 and the partition wall 60 in a liquid-tight manner is provided. I have.
  • the inner diameter of the housing opening 210 is formed to be constant, a standard-shaped annular seal member 600 having a constant inner diameter and outer diameter can be adopted, and the cost can be reduced.
  • the housing inner wall 211 is formed in a tapered shape so that the inner diameter becomes smaller from the housing opening 210 side toward the opposite side of the housing opening 210.
  • the flow area of the internal space 200 can be gradually increased toward the housing opening 210 side. Further, since no step is formed in the housing inner wall 211, the water flow resistance in the internal space 200 can be reduced.
  • At least two of the plurality of ports (exit ports 221 to 223) formed in the housing main body 21 are formed to be aligned in a direction parallel to the mounting surface 201.
  • the size in the direction perpendicular to the mounting surface 201 of the housing body 21 can be reduced, and the physique of the valve device 10 can be reduced.
  • the pipe fastening member 540 is a tapping screw that can be screwed into the housing side fastening holes 261 to 266 while being tapped.
  • the bulkhead portion 60 has a bulkhead through hole 65 that extends outward from the shaft insertion hole 62 and opens in the outer wall of the bulkhead body 61.
  • the present embodiment is a valve device 10 that can control the cooling water of the engine 2 of the vehicle 1, and includes the housing 20, the valve 30, the partition wall portion 60, and the drive portion 70.
  • the housing 20 includes a housing main body 21 that forms an internal space 200 on the inside, ports (220, 221, 222, and 223) that connect the internal space 200 and the outside of the housing main body 21, and the internal space 200 and the housing main body 21. It has a housing opening 210 for connecting to the outside.
  • the valve 30 connects the valve body 31 that can rotate around the rotation axis Axr1 in the internal space 200, the valve body channel 300 formed inside the valve body 31, and the valve body channel 300 and the outside of the valve body 31.
  • Valve body openings (410, 420, 430) and a shaft 32 provided on the rotation axis Axr1 indicates the communication state between the valve body passage 300 and the port via the valve body opening. It can be changed depending on the rotation position.
  • the partition wall 60 is formed in the partition wall body 61 provided in the housing opening 210 so as to separate the internal space 200 from the outside of the housing body 21 and the partition wall body 61 so that one end of the shaft 32 can be inserted.
  • a shaft insertion hole 62 is provided.
  • the drive unit 70 is provided on the side opposite to the internal space 200 with respect to the partition wall 60, and can rotate the valve body 31 via one end of the shaft 32.
  • the partition wall 60 has a partition wall through hole 65 that extends outward from the shaft insertion hole 62 and opens in the outer wall of the partition wall body 61.
  • the cooling water flowing from the internal space 200 through the shaft insertion hole 62 toward the drive unit 70 can flow into the partition wall through hole 65. Thereby, it can suppress that the cooling water of the internal space 200 flows into the drive part 70 side.
  • the partition wall through-hole 65 is formed so that a cross-sectional shape perpendicular to the axis is an oval or a rectangle.
  • the partition wall through-hole 65 is formed so that the short direction of the cross section is parallel to the axis Axh1 of the shaft insertion hole 62. Therefore, the size of the partition wall body 61 in the axis Axh1 direction can be reduced.
  • the housing 20 has a housing through hole 270 that extends outward from the inner wall of the housing opening 210 and opens in the outer wall of the housing body 21, and is formed so as to communicate with the partition wall through hole 65. Yes.
  • the housing through-hole 270 opens at the end surface of the housing body 21 opposite to the pipe mounting surface 202.
  • the cooling water that has flowed into the partition wall through hole 65 can be discharged from the housing through hole 270 to the outside. Further, the double structure of the partition wall through hole 65 and the housing through hole 270 can suppress the intrusion of water from the outside.
  • the cooling water can be discharged to the outside via the partition wall through hole 65 and the housing through hole 270, and the cooling water in the shaft insertion hole 62 can be discharged. Leaks can be noticed by the user. Thereby, it is possible to make the user deal with a leak that needs to be dealt with.
  • the cooling water can be retained in the partition wall through hole 65 and the housing through hole 270, and cooling water leaks in the shaft insertion hole 62. It is possible to prevent the user from noticing. Thereby, it can suppress making a user respond
  • the housing through hole 270 is formed so that the cross-sectional shape perpendicular to the axis is an oval or a rectangle.
  • the influence of the surface tension in the housing through hole 270 can be suppressed while the size of the housing main body 21 is reduced, and the cooling water can easily flow through the housing through hole 270.
  • the housing through hole 270 is formed so that the short direction of the cross section is parallel to the axis Axh1 of the shaft insertion hole 62. Therefore, the size of the housing body 21 in the direction of the axis Axh1 can be reduced.
  • the cooling water that has flowed into the partition wall through hole 65 can be easily discharged from the housing through hole 270 to the outside.
  • the valve device 10 includes a shaft seal member 603 and an annular seal member 600.
  • the shaft seal member 603 is formed in an annular shape mainly from an elastic member such as rubber, for example, and is provided between the shaft 32 and the shaft insertion hole 62 on the inner space 200 side with respect to the partition wall through hole 65.
  • the space between the holes 62 can be kept liquid-tight.
  • the annular seal member 600 is formed in an annular shape by an elastic member such as rubber, for example, and is provided between the partition wall body 61 and the inner wall of the housing opening 210 on the inner space 200 side with respect to the housing through hole 270. 61 and the inner wall of the housing opening 210 can be kept liquid-tight.
  • the shaft seal member 603 and the annular seal member 600 correspond to a “first seal member” and a “second seal member”, respectively.
  • the annular seal member 600 can suppress leakage of cooling water from the internal space 200 to the outside via the space between the partition wall body 61 and the housing opening 210.
  • the shaft seal member 603 is provided at a position that is a predetermined distance away from the partition wall through hole 65 toward the inner space 200, a space can be formed between the partition wall through hole 65 and the shaft seal member 603. Therefore, when there is little leakage of cooling water, it is possible to keep the cooling water in the space so as not to be noticed by the user.
  • annular seal member 600 is provided at a predetermined distance from the housing through hole 270 toward the internal space 200, a space can be formed between the housing through hole 270 and the annular seal member 600. Therefore, when there is little leakage of cooling water, it is possible to keep the cooling water in the space so as not to be noticed by the user.
  • the distance Ds1 between the shaft seal member 603 and the partition wall through hole 65 is shorter than the distance Ds2 between the annular seal member 600 and the housing through hole 270.
  • the space formed between the housing through hole 270 and the annular seal member 600 can be made larger than the space formed between the partition wall through hole 65 and the shaft seal member 603. As a result, more cooling water can be retained on the space side formed between the housing through hole 270 and the annular seal member 600.
  • the partition wall portion 60 has a partition inner side step surface 661 that forms a step between the partition wall through hole 65 of the shaft insertion hole 62 and the shaft seal member 603.
  • the partition inner step surface 661 is formed in an annular flat shape so as to face the inner space 200 side.
  • the shaft seal member 603 is provided so as to be in contact with the partition inner surface step surface 661.
  • the housing 20 has a housing step surface 281 that forms a step between the housing through hole 270 on the inner wall of the housing opening 210 and the annular seal member 600.
  • the housing step surface 281 is formed in an annular shape so as to face the drive unit 70 side.
  • the housing step surface 281 is formed in a tapered shape so that the inner diameter becomes larger from the inner space 200 side toward the drive unit 70 side.
  • the housing 20 has a housing step surface 282 that forms a step on the driving portion 70 side of the housing through hole 270 on the inner wall of the housing opening 210.
  • the housing step surface 282 is formed in an annular shape so as to face the drive unit 70 side.
  • the partition wall 60 has a partition outside step surface 671 that forms a step on the drive unit 70 side of the partition wall through-hole 65 on the outer wall of the partition wall body 61.
  • the partition outer side step surface 671 is formed in an annular shape so as to face the inner space 200 and the housing step surfaces 281 and 282.
  • a substantially cylindrical tubular space St1 is formed between the housing step surface 281 and the partition outer step surface 671 between the outer wall of the partition wall main body 61 and the inner wall of the housing opening 210.
  • the partition wall through hole 65 and the housing through hole 270 communicate with each other via the cylindrical space St1.
  • the cooling water can be kept in the cylindrical space St1.
  • a housing step surface 281, a housing through hole 270, and a housing step surface 282 are formed in this order in the housing opening 210 from the inner space 200 side toward the drive portion 70 side. .
  • the annular seal member 600 is directed toward the internal space 200 with respect to the housing step surface 281.
  • the inner edge of the end of the partition wall through hole 65 opposite to the shaft 32 is chamfered in a tapered shape. Thereby, the cooling water inside the partition through-hole 65 can be easily discharged.
  • the partition wall through hole 65 is located on the lower side in the vertical direction with respect to the shaft 32 in a state where the housing 20 is attached to the engine 2.
  • the cooling water can be quickly flowed into the partition wall through hole 65.
  • the housing through hole 270 is positioned on the lower side in the vertical direction with respect to the shaft 32 in a state where the housing 20 is attached to the engine 2.
  • the cooling water can be quickly discharged from the housing through hole 270 to the outside.
  • the partition wall through hole 65 and the housing through hole 270 have different cross-sectional areas in a cross section perpendicular to the axis.
  • the sectional area of the housing through hole 270 is larger than the sectional area of the partition wall through hole 65.
  • the communication between the partition wall through hole 65 and the housing through hole 270 can be secured. Further, since the cross-sectional area of the housing through-hole 270 is larger than the cross-sectional area of the partition wall through-hole 65, the cooling water can be quickly discharged from the housing through-hole 270 to the outside. Further, it is possible to prevent water and the like from entering the shaft insertion hole 62 side from the outside through the housing through hole 270 and the partition wall through hole 65.
  • the partition wall through hole 65 is located on the lower side of the shaft 32 in a state where the housing 20 is attached to the engine 2.
  • the cooling water can be quickly flowed into the partition wall through hole 65.
  • the housing through hole 270 is located below the shaft 32 in a state where the housing 20 is attached to the engine 2.
  • the cooling water can be quickly discharged from the housing through hole 270 to the outside.
  • the lower side of the shaft 32 is, for example, lower than the horizontal plane including the axis Axs1 of the shaft 32, and includes a predetermined range below the shaft 32 as well as directly below the shaft 32 in the vertical direction. Means.
  • the partition wall through hole 65 is formed in the range of 0 to 80 degrees in the circumferential direction of the shaft 32.
  • the partition wall through hole 65 is formed to extend in the direction of 0 degree from the shaft 32 side. Therefore, when there is much leakage of cooling water, cooling water can be discharged quickly.
  • the partition wall through hole 65 may be formed in a range of 30 to 80 degrees in the circumferential direction of the shaft 32. In this case, the angle of the partition wall through hole 65 becomes moderate to some extent, and the cooling water can be discharged so as to ooze. Therefore, even if the cooling water leaks carelessly and a problem arises, it is possible to avoid a situation in which the user reacts more abnormally and sensitively than necessary.
  • the housing through hole 270 is formed in a range of 0 to 80 degrees in the circumferential direction of the shaft 32.
  • the housing through hole 270 is formed to extend in the direction of 0 degree from the shaft 32 side. Therefore, when there is much leakage of cooling water, cooling water can be discharged quickly.
  • the housing through hole 270 may be formed in the range of 30 to 80 degrees in the circumferential direction of the shaft 32, similarly to the partition wall through hole 65. In this case, the angle of the housing through hole 270 becomes moderate to some extent, and the cooling water can be discharged so as to ooze. Therefore, even if the cooling water leaks carelessly and a problem arises, it is possible to avoid a situation in which the user reacts more abnormally and sensitively than necessary.
  • the partition wall 60 has a partition inner step surface 662 that forms a step between the partition through hole 65 of the shaft insertion hole 62 and the shaft seal member 603.
  • the partition inner surface step surface 662 is formed in an annular flat shape so as to face the inner space 200 side.
  • the partition inner step surface 662 is formed on the partition through hole 65 side with respect to the partition inner step surface 661.
  • the housing step surface 281 is formed in an annular shape so as to face the inner space 200 side.
  • the partition outer step surface 671 is formed in an annular shape so as to face the drive unit 70 and the housing step surface 281 side between the housing step surface 281 and the annular seal member 600.
  • the partition outer surface step surface 671 and the housing step surface 281 are separated from each other by a predetermined distance while facing each other. Therefore, a labyrinth-shaped passage P ⁇ b> 1 is formed between the annular seal member 600 and the housing through hole 270 between the outer wall of the partition wall body 61 and the inner wall of the housing opening 210.
  • the height Hp1 of the portion on the drive unit 70 side of the labyrinth-shaped passage P1 is smaller than the height Hp2 of the portion on the inner space 200 side of the passage P1. Therefore, when viewed from the housing through hole 270 side, the passage P1 changes from a narrow part to a wide part. Therefore, the narrow portion of the passage P1 makes it difficult for water to flow from the housing through hole 270 side to the annular seal member 600 side. Further, the narrow portion of the passage P1 makes it difficult for water to flow from the internal space 200 side to the housing through hole 270 side.
  • FIG. 8 A part of the valve device according to the eighth embodiment is shown in FIG.
  • the eighth embodiment differs from the sixth embodiment in the position of the housing through hole 270 and the like.
  • the partition wall through-hole 65 and the housing through-hole 270 are different from each other in the position of the shaft in the shaft (Axh1) direction of the shaft insertion hole 62.
  • the housing through hole 270 is formed on the drive unit 70 side with respect to the partition wall through hole 65.
  • the partition wall portion 60 has a partition outside step surface 671 that forms a step between the partition wall through hole 65 on the outer wall of the partition wall body 61 and the housing through hole 270.
  • the housing through hole 270 is formed on the drive unit 70 side with respect to the housing step surface 282 and the partition outer surface step surface 671.
  • the partition outer surface step surface 671 and the housing step surface 282 are separated from each other by a predetermined distance while facing each other. Therefore, a labyrinth-shaped passage P ⁇ b> 2 is formed between the housing through hole 270 and the partition wall through hole 65 between the outer wall of the partition wall body 61 and the inner wall of the housing opening 210.
  • the height Hp1 of the portion on the drive unit 70 side of the labyrinth-shaped passage P2 is smaller than the height Hp2 of the portion on the inner space 200 side of the passage P2. Therefore, when viewed from the housing through hole 270 side, the passage P2 changes from a narrow part to a wide part. Therefore, the narrow portion of the passage P2 makes it difficult for water to flow from the housing through hole 270 side to the partition wall through hole 65 side. Further, the narrow portion of the passage P2 makes it difficult for water to flow from the partition wall through hole 65 side to the housing through hole 270 side.
  • the height Hp1 of the portion on the drive unit 70 side of the labyrinth-shaped passage P2 is greater than the height Hp2 of the portion on the inner space 200 side of the passage P2. Good.
  • the passage P2 changes from a wide part to a narrow part. Therefore, the external water that has entered from the housing through hole 270 is trapped in a narrow portion of the passage P2 and hardly flows to the partition wall through hole 65 side. On the other hand, the water on the partition through hole 65 side easily flows to the housing through hole 270 side via the passage P2.
  • the valve device 10 includes a bearing portion 602.
  • the bearing portion 602 is provided on the drive portion 70 side with respect to the partition wall through hole 65 of the shaft insertion hole 62, and supports one end of the shaft 32.
  • the shaft insertion hole 62 includes a small-diameter portion 621 in which a bearing portion 602 is provided inside, a large-diameter portion 622 having a larger inner diameter than the small-diameter portion 621 and opening the partition wall through-hole 65, and a small-diameter portion 621 It has a step surface 623 in the insertion hole formed between the large diameter portion 622.
  • the step surface 623 in the insertion hole is formed in an annular shape so as to face the inner space 200 side.
  • a substantially cylindrical tubular space St ⁇ b> 2 is formed between the shaft seal member 603 and the bearing portion 602 on the radially outer side of the shaft 32.
  • the partition wall through hole 65 is connected to the cylindrical space St2.
  • FIGS. 10th Embodiment A part of the valve device according to the tenth embodiment is shown in FIGS.
  • the partition wall through hole 65 is formed with a partition wall through hole inner step surface 651 that forms a step between one end and the other end of the partition wall through hole 65.
  • the step surface 651 in the partition wall through hole is formed so as to face the lower side in the vertical direction when the valve device 10 is attached to the engine 2. Therefore, the sectional area on the lower side in the vertical direction of the partition wall through hole 65 is larger than the sectional area on the upper side in the vertical direction.
  • the partition through-hole inner step surface 651 is formed to face the upper side in the vertical direction when the valve device 10 is attached to the engine 2. Therefore, the sectional area on the upper side in the vertical direction of the partition wall through-hole 65 is larger than the sectional area on the lower side in the vertical direction.
  • the partition wall through-hole 65 and the housing through-hole 270 are formed so that their axes are not orthogonal to the axis Axh1 of the shaft insertion hole 62.
  • the partition wall through hole 65 and the housing through hole 270 are formed so that their axes intersect each other.
  • FIG. 13 A part of the valve device according to the thirteenth embodiment is shown in FIG.
  • the partition wall through hole 65 is formed so that its cross-sectional area gradually increases from the radially inner side to the radially outer side of the shaft insertion hole 62.
  • the cooling water can be quickly discharged from the housing through hole 270 to the outside via the partition wall through hole 65.
  • FIGS. 14th Embodiment A valve device according to a fourteenth embodiment is shown in FIGS.
  • This embodiment is different from the first embodiment in the shapes of the housing 20, the valve 30, the pipe member 50, the drive unit cover 80, and the like.
  • valve device 10 according to the present embodiment is provided in the narrow space A1 such that the drive unit cover 80 is vertically downward with respect to the housing body 21 and the mounting surface 201 faces the engine 2.
  • the base portion of one side h11 of the two sides (h11, h12) of the substantially triangular fastening portion 231 when viewed from the direction perpendicular to the mounting surface 201 is the longitudinal direction of the housing body 21. As seen, it is formed at a position overlapping the inlet port 220. Further, the base portion of one side h ⁇ b> 21 of the two sides (h ⁇ b> 21 and h ⁇ b> 22) of the fastening portion 232 is formed at a position overlapping the inlet port 220 when viewed in the longitudinal direction of the housing body 21.
  • one of the starting positions of the fastening portions (231, 232) of the two fastening holes (241, 242) closest to the inlet port 220 is formed at a position overlapping the inlet port 220 when viewed in the longitudinal direction of the housing body 21. Has been.
  • the housing body 21 can be stably fixed to the engine 2.
  • the base of one side h32 is formed at a position that does not overlap the inlet port 220 when viewed in the longitudinal direction of the housing body 21.
  • one of the start positions of the fastening portion (233) of the fastening hole (243) farthest from the inlet port 220 is formed at a position that does not overlap with the inlet port 220 when viewed in the longitudinal direction of the housing body 21.
  • Lth11 that is a straight line along the side h11 of the fastening part 231
  • a side straight line Lth21 that is a straight line along the side h21 of the fastening part 232
  • a side straight line that is a straight line along the side h32 of the fastening part 233.
  • Lth 32 intersects with the inlet port 220.
  • the side h32 on the inlet port 220 side of the fastening portion 233 of the fastening hole (243) farthest from the inlet port 220 is compared to the other sides (h11, h12, h21, h22, h31).
  • the inclination angle with respect to the longitudinal direction of the housing body 21 is the smallest.
  • the positioning portion 205 is formed on an extension line of the side h12 of the fastening portion 231. Further, the positioning portion 206 is formed on an extension line of the side h ⁇ b> 22 of the fastening portion 232.
  • the positioning portions (205, 206) capable of positioning the housing body 21 by engaging with other members are formed on the extension lines of the sides (h12, h22) of the fastening portions (231, 232).
  • the holding member 73 has one snap fit portion 731. As shown in FIGS. 79 and 80, the holding member 73 is formed such that the snap fit portion 731 is positioned on the radially outer side of the worm gear 712.
  • the holding member 73 (see FIGS. 87 to 89) of the first embodiment in which two snap fit portions 731 are formed on both sides of the motor body 710, the direction perpendicular to the axis Axm1 of the motor 71, that is, the mounting
  • the size of the holding member 73 in the direction Dv1 perpendicular to the surface 201 can be reduced. Therefore, the physique of the drive part cover 80 and the valve apparatus 10 in the direction Dv1 perpendicular to the mounting surface 201 can be reduced.
  • the motor 71 can be brought closer to the mounting surface 201, that is, the engine 2, so that the motor The vibration concerning 71 becomes small and the robustness with respect to a disconnection can be improved.
  • the pipe part 512 of the pipe member 50 is formed to extend while inclining toward the drive part cover 80.
  • the holding member 73 is formed such that the snap fit portion 731 is positioned on the pipe member 50 side with respect to the rotation axis Axr1.
  • the size of the drive unit cover 80 in the direction Dv1 perpendicular to the attachment surface 201 can be reduced, and the drive unit cover 80 can be prevented from interfering with the pipe portion 512 of the pipe member 50 in particular.
  • the snap fit portion 731 may be formed to be positioned between the third gear 723 and the motor side terminal 713 (see FIGS. 80 and 83).
  • valve 30 of this embodiment shows the valve 30 of this embodiment and a part thereof.
  • the valve 30 of the present embodiment is similar to the valve 30 of the first and third embodiments in the shape of the valve body 31 and the like.
  • the valve 30 of the present embodiment differs from the third embodiment in the arrangement direction of the ball valve 41, the cylindrical connection portion 44, the ball valve 42, the cylindrical valve connection portion 45, and the ball valve 43, and is the same as the first embodiment. is there. That is, the valve 30 of the present embodiment is configured such that the ball valve 41, the cylindrical connecting portion 44, the ball valve 42, and the cylindrical valve connecting portion from the side opposite to the driving portion 70 in the direction of the rotation axis Axr1 toward the driving portion 70. 45 and the ball valve 43 are arranged in this order.
  • the ball valves 41, 42, and 43 are provided so that the outlet ports 221, 222, and 223 can be opened and closed, respectively (see FIG. 67).
  • the valve body opening 410 of the ball valve 41 has a large opening 412 and an extended opening 413.
  • the large opening 412 is formed to extend from one end in the circumferential direction of the first divided body 33 toward the other end.
  • the extending opening 413 is formed to extend from the other end of the large opening 412 to the vicinity of the other end in the circumferential direction of the first divided body 33.
  • the size of the extending opening 413 in the direction of the rotation axis Axr1 is smaller than the size of the large opening 412 in the direction of the rotation axis Axr1.
  • the opening area of the valve body opening 410 is the total of the opening area of the large opening 412 and the opening area of the extended opening 413.
  • valve body opening 410 Since the valve body opening 410 has the extended opening 413, the flow rate of the cooling water to the radiator 5 can be gradually increased at the initial opening of the outlet port 221. Thereby, the rapid temperature change of the cooling water by the heat exchange of the radiator 5 can be suppressed.
  • valve body opening 410 has the extended opening 413.
  • valve body openings 420 and 430 may be provided with openings similar to the extension openings 413. In this case, a rapid temperature change of the cooling water due to heat exchange between the heater 6 and the device 7 can be suppressed.
  • the size of the valve body opening 410 of the ball valve 41 as the first ball valve is the same as the size of the valve body opening 420 of the ball valve 42 as the second ball valve and the ball valve 43 as the third ball valve. It is larger than the size of the valve body opening 430.
  • valve body openings 420 and 430 of the ball valves 42 and 43 formed so that two ball valves are continuous are small, and the valve body opening 410 of the ball valve 41 formed as one ball valve is the largest.
  • the cooling water from the inlet port 220 flows into the inter-valve space 400 between the ball valves 42 and 43 and the ball valve 41. Thereafter, the cooling water is distributed to the ball valves 42 and 43 side and the ball valve 41 side.
  • the amount of cooling water required on the ball valves 42 and 43 side and the ball valve 41 side is biased, the distribution of the cooling water cannot be performed properly, so that the valve body opening portion 410 having the largest opening is formed.
  • the ball valve 41 requires a large amount of cooling water, it is not continuous with the ball valves 42 and 43 in which the valve body openings 420 and 430 having other small openings are formed. That is, if the ball valves are doubled, the cooling water for the openings of the two ball valves is required, so that the ball valves (42, 43) having small openings are made continuous as much as possible.
  • the housing 20 has housing-side cover fixing portions (291 to 296) formed as portions different from the housing main body 21 so as to protrude from the outer wall of the housing main body 21.
  • the drive unit cover 80 is formed as a portion different from the cover main body 81 so as to protrude from the outer wall of the cover main body 81 forming the drive unit space 800 and fixed to the housing side cover fixing portions (291 to 296). Cover fixing portions (821 to 826).
  • the cover fixing portions (821 to 826) are formed so as not to protrude outward from at least one of both end portions (215, 216) in the direction Dp1 parallel to the mounting surface 201 of the housing body 21.
  • the cover fixing portions (821 to 826) are formed so as not to protrude outward from both end portions (215, 216) in the direction Dp1 parallel to the mounting surface 201 of the housing body 21.
  • the housing end portions 215 and 216 which are both ends in the direction Dp1 parallel to the mounting surface 201 of the housing main body 21 are formed in the housing main body 21 as portions different from the housing side cover fixing portions 291 to 296.
  • the size in the direction Dp1 parallel to the mounting surface 201 of the drive unit cover 80 can be reduced, and the size in the direction Dp1 parallel to the mounting surface 201 of the valve device 10 can be reduced. Thereby, the valve device 10 can be mounted in the narrow space A1 of the vehicle 1.
  • the direction Dp1 parallel to the mounting surface 201 is a direction perpendicular to the vertical direction, that is, a direction parallel to the horizontal direction.
  • the direction Dp1 parallel to the attachment surface 201 is perpendicular to the direction Dv1 perpendicular to the attachment surface 201.
  • the cover fixing portions 821 to 826 are arranged in the direction Dp1 parallel to the mounting surface 201 of the housing main body 21 and both ends in the horizontal direction (215, 216 ) So as not to protrude outwardly from at least one of them.
  • the cover fixing portions 821 to 826 are formed so as not to protrude outward from both ends (215, 216) in the direction Dp1 parallel to the mounting surface 201 of the housing body 21 and in the horizontal direction. That is, the cover fixing portions 821 to 826 are formed so as not to protrude with respect to the direction Dp1 parallel to the attachment surface 201 which is the thinnest direction of the housing main body 21, rather than the housing end portions 215 and 216.
  • the size Dp1 parallel to the mounting surface 201 of the drive unit cover 80 and the horizontal size can be reduced, and the size Dp1 parallel to the mounting surface 201 of the valve device 10 and the horizontal size can be reduced.
  • the valve device 10 can be mounted in a narrow space A1 that is parallel to the mounting surface 201 and narrow in the horizontal direction Dp1.
  • valve device 10 since the valve device 10 is provided in the narrow space A1 (see FIGS. 2 and 62) between the alternator 12 and the intake manifold 11, the physique in the direction Dp1 parallel to the mounting surface 201 of the valve device 10 is reduced. Thus, the valve device 10 can be provided in the narrow space A1 without interfering with the alternator 12 and the intake manifold 11.
  • This embodiment is a valve device 10 capable of controlling the cooling water of the engine 2 of the vehicle 1, and includes a housing 20, a valve 30, a pipe member 50, a partition wall 60, and a driving unit.
  • the cover 80, the drive part 70, and the fixing member 830 are provided.
  • the housing 20 includes a housing main body 21 that forms an internal space 200 inside, and ports (220, 220) that connect the internal space 200 and the outside of the housing main body 21. 221, 222, 223, 224), formed on housing side cover fixing portions 291 to 296 formed as portions different from the housing main body 21 so as to protrude from the outer wall of the housing main body 21, and housing side cover fixing portions 291 to 296.
  • the housing side cover fastening hole 290 is formed.
  • the valve 30 includes a valve body 31 that can rotate around the rotation axis Axr1 in the internal space 200, and a shaft 32 that is provided on the rotation axis Axr1, and ports (221, 222, 223) depending on the rotational position of the valve body 31. ) Can be opened and closed.
  • the pipe member 50 has a cylindrical pipe portion (511, 512, 513, 514) whose inner space communicates with the ports (221, 222, 223, 224), and is attached to the housing body 21.
  • the partition wall portion 60 is provided so as to separate the internal space 200 from the outside of the housing body 21 and has a shaft insertion hole 62 formed so that one end of the shaft 32 can be inserted.
  • the drive unit cover 80 is provided on the opposite side of the partition wall 60 from the internal space 200, and covers the cover body 81 that forms the drive space 800 between the partition wall 60 and the outer wall of the cover body 81.
  • Cover fixing portions 821 to 826 formed as parts different from the main body 81 and cover fastening holes 831 to 836 formed in the cover fixing portions 821 to 826 are provided.
  • the drive unit 70 is provided in the drive unit space 800 and can rotate the valve body 31 via one end of the shaft 32.
  • the fixing member 830 passes through the cover fastening holes 831 to 836 and is screwed into the housing side cover fastening holes 290 to fix the cover fixing portions 821 to 826 and the housing side cover fixing portions 291 to 296.
  • the housing side cover fixing portions 291 to 296 are a cover fixing base portion 298 protruding from the outer wall of the housing main body 21, and a cover protruding from the cover fixing base portion 298 toward the cover fixing portions 821 to 826 and fixed to the cover fixing portions 821 to 826. It has a fixed protrusion 299.
  • At least a part of the pipe member 50 is located on the opposite side of the cover fixing projection 299 with respect to the cover fixing base 298.
  • the cover fixing projection 299 is formed so as to protrude from the cover fixing base 298 to the side opposite to the pipe member 50, interference between the housing side cover fixing portions 291 to 296 and the pipe member 50 can be suppressed.
  • the degree of freedom of mounting the pipe member 50 can be improved.
  • the size of the valve device 10 in the direction of the rotation axis Axr1 can be reduced. Therefore, the valve device 10 can be easily mounted in the narrow space A1 of the vehicle 1.
  • At least a part of the pipe member 50 is located on the opposite side of the cover fixing protrusion 299 with respect to the cover fixing base 298 of the housing side cover fixing parts 291 to 293 (see FIG. 64 and the like). ).
  • the cover fixing protrusion 299 forms an inter-cover gap Sc1 as a gap with the outer wall of the cover main body 81.
  • the drive unit cover 80 is fastened to the housing 20 by the fixing member 830, even if a crack occurs in the cover fixing projection 299 of the housing side cover fixing portions 291 to 296, the crack may reach the housing body 21. Can be suppressed. Thereby, the leakage of the cooling water which may arise by the fastening of the drive part cover 80 to the housing 20 can be suppressed effectively.
  • the axial length L5 of the fixing member 830 inside the housing side cover fastening hole 290 is shorter than the axial length L4 of the housing side cover fastening hole 290. That is, L5 ⁇ L4.
  • the housing-side cover fixing portions 291 to 296 can be prevented from cracking when the fixing member 830 is screwed into the housing-side cover fastening hole 290. Further, since the tip of the fixing member 830 does not jump out to the opposite side of the cover fixing protrusion 299 with respect to the cover fixing base 298, it is possible to suppress the tip of the fixing member 830 from interfering with the pipe member 50.
  • the fixing member 830 is a tapping screw that can be screwed into the housing side cover fastening hole 290 while being screwed up.
  • the axial length L5 of the fixing member 830 inside the housing side cover fastening hole 290 corresponds to the required tapping length of the fixing member 830.
  • the pipe part 512 is formed so as to extend to the drive part cover 80 side.
  • the pipe portion 512 is formed so as to extend to the side where one fastening portion (231) is provided on both sides of the housing body 21 in the short direction.
  • the pipe portion 512 forms an inner space 200 in the housing body 21, that is, an end portion far from the rotation axis Axr 1 in both end portions (215, 216) in the direction Dp 1 parallel to the mounting surface 201 of the housing body 21. It is formed so as to extend toward the housing end 215 which is an end protruding in the direction Dp1 from the outer wall of the portion to be performed.
  • the pipe portion 512 is formed to extend from an outlet port 222 which is a middle port among the outlet ports 221, 222, and 223 arranged in a straight line in the housing body 21.
  • the pipe portion 512 is formed to extend from an outlet port 222 that is a port near the drive portion cover 80 with respect to the longitudinal center of the housing body 21.
  • the tip of the pipe part 512 is located on the opposite side of the housing body 21 from the housing protrusion 219.
  • the distal end side of the pipe portion 512 is located on the opposite side of the cover fixing protruding portion 299 with respect to the cover fixing base portion 298 of the housing side cover fixing portion 293.
  • the housing side cover fixing portions 291 to 293 are formed on the pipe member 50 side with respect to a virtual plane Vp6 that includes the rotation axis Axr1 and is parallel to the mounting surface 201.
  • the housing side cover fixing portions 294 to 296 are formed on the mounting surface 201 side with respect to the virtual plane Vp6.
  • the housing side cover fixing portions 291 and 296 are formed on the side where the tip end portion of the pipe portion 516 is located with respect to a virtual plane Vp7 including the rotation axis Axr1 and perpendicular to the mounting surface 201.
  • the housing side cover fixing portions 292 to 295 are formed on the side where the tip end portion of the pipe portion 512 is located with respect to the virtual plane Vp7.
  • the inter-cover gap Sc1 is formed between the cover fixing protrusion 299 of the housing side cover fixing portions 291 to 296 formed as described above and the outer wall of the cover main body 81.
  • the present embodiment is a valve device 10 that can control the cooling water of the engine 2 of the vehicle 1, and includes a housing 20, a valve 30, a partition wall 60, and a drive unit 70.
  • the housing 20 includes a housing main body 21 that forms an internal space 200 on the inside, ports (220, 221, 222, and 223) that connect the internal space 200 and the outside of the housing main body 21, and the internal space 200 and the housing main body 21. It has a housing opening 210 for connecting to the outside.
  • the valve 30 includes a valve body 31 that can rotate around the rotation axis Axr1 in the internal space 200, and a shaft 32 that is provided on the rotation axis Axr1, and ports (221, 222, 223) depending on the rotational position of the valve body 31. ) Can be opened and closed.
  • the partition wall 60 is formed in the partition wall body 61 provided in the housing opening 210 so as to separate the internal space 200 from the outside of the housing body 21 and the partition wall body 61 so that one end of the shaft 32 can be inserted.
  • a shaft insertion hole 62 is provided.
  • the drive unit 70 is provided on the side opposite to the internal space 200 with respect to the partition wall 60, and can rotate the valve body 31 via one end of the shaft 32.
  • the valve 30 has a first restriction convex part 332 and a second restriction convex part 342 as the restricted parts formed in the valve body 31.
  • the partition wall 60 includes an annular regulation recess 63 that is recessed from the surface on the inner space 200 side of the partition wall body 61 toward the drive unit 70 on the radially outer side of the shaft insertion hole 62.
  • a restriction portion 631 that is formed in a part of the concave portion 63 in the circumferential direction and that is capable of restricting the rotation of the valve body 31 by contacting the first restriction convex portion 332 and the second restriction convex portion 342, and the bottom surface 630 of the restriction concave portion 63
  • a foreign matter depositing portion 68 that is recessed toward the driving portion 70 side.
  • the foreign matter existing in the restriction concave portion 63 and the foreign matter accumulated on the bottom surface 630 of the restriction concave portion 63 can be accumulated on the foreign matter accumulation portion 68. Accordingly, the foreign matter is moved away from the first restriction convex part 332, the second restriction convex part 342, and the restriction part 631 as the restricted parts, and the first restriction convex part 332, the second restriction convex part 342, and the restriction part 631 It is possible to suppress foreign matter from being caught between the two. Therefore, it is possible to suppress the deterioration of the driving accuracy of the valve element 31 due to the accumulation of foreign matter on the restricting portion 631. In addition, deterioration of the sensor accuracy of the rotation angle sensor 86 due to the accumulation of foreign matter on the restricting portion 631 can be suppressed.
  • the restriction recess 63 includes an inner cylindrical wall surface 632 that is a cylindrical wall surface formed on the radially inner side, and an outer cylindrical wall surface that is a cylindrical wall surface formed on the radially outer side. 633.
  • the foreign material accumulation portion 68 is formed on the outer cylinder wall surface 633 side with respect to at least a part of the bottom surface 630 of the restriction recess 63.
  • the foreign matter on the bottom surface 630 of the restriction recess 63 can be guided to the foreign matter accumulation portion 68 on the radially outer side of the restriction recess 63, and the foreign matter can be separated from the shaft insertion hole 62. Thereby, the sealing performance by the shaft seal member 603 can be ensured.
  • the inner cylinder wall surface 632 can guide the rotation of the valve body 31 by sliding with the first restriction convex part 332 and the second restriction convex part 342 as the restricted parts.
  • the rotation of the valve body 31 can be stabilized. Further, by depositing foreign matter on the foreign matter accumulation portion 68, foreign matter is prevented from being caught between the inner cylindrical wall surface 632 and the first restriction convex portion 332 and the second restriction convex portion 342. It can suppress that slidability with the 1 control convex part 332 and the 2nd control convex part 342 deteriorates.
  • the restricting portion 631 is formed to extend from the inner cylinder wall surface 632 to the outer cylinder wall surface 633.
  • the length L11 of the restricting portion 631 in the radial direction of the restricting recess 63 is larger than the length L12 of the foreign matter depositing portion 68 in the radial direction of the restricting recess 63.
  • the foreign material accumulation portion 68 is formed in a C shape in a cross section perpendicular to the axis of the shaft insertion hole 62.
  • the partition wall through-hole 65 can be formed between the circumferential ends of the foreign material accumulation portion 68.
  • the partition wall portion 60 has a partition wall through-hole 65 extending outward from the shaft insertion hole 62 and opening in the outer wall of the partition wall body 61.
  • the partition wall through-hole 65 is formed between the circumferential ends of the foreign material accumulation portion 68.
  • partition wall body 61 can be downsized.
  • the bottom surface 630 of the restricting recess 63 is formed between the circumferential ends of the foreign matter depositing portion 68 so that the circumferential length L21 increases toward the radially outer side.
  • the strength of the portion on the outer cylinder wall surface 633 side of the partition wall main body 61 can be ensured between the circumferential ends of the foreign matter accumulation portion 68.
  • the restricting portion 631 is formed to extend radially outward on the bottom surface 630 of the restricting recess 63.
  • the restricting portion 631 is formed so that the circumferential length L22 becomes larger toward the radially outer side of the restricting recess 63.
  • the foreign material accumulation portion 68 is located below the valve body 31 in a state where the housing 20 is attached to the engine 2.
  • the foreign matter depositing portion 68 is located on the lower side in the vertical direction with respect to the valve body 31.
  • the foreign matter accumulation portion 68 is positioned below the bottom surface 630 of the restriction recess 63. Thereby, the foreign substance in the regulation recessed part 63 can be effectively led to the foreign substance accumulation part 68.
  • the partition wall body 61 is formed of, for example, “PPS-GF50”, similarly to the housing body 21.
  • the heat resistance, water absorption resistance, strength, and dimensional accuracy of the partition wall body 61 can be improved.
  • the present embodiment is a valve device 10 that can control the cooling water of the engine 2 of the vehicle 1, and includes a housing 20, a valve 30, and a shaft bearing portion 90.
  • the housing 20 includes a housing main body 21 that forms an internal space 200 on the inside, and ports (220, 221, 222, and 223) that connect the internal space 200 and the outside of the housing main body 21.
  • the valve 30 includes a valve body 31 that can rotate around the rotation axis Axr1 in the internal space 200, and a shaft 32 that is provided on the rotation axis Axr1, and ports (221, 222, 223) depending on the rotational position of the valve body 31. ) Can be opened and closed.
  • the shaft bearing portion 90 extends in a cylindrical shape from an opposed inner wall 213 which is an inner wall facing the end portion of the shaft 32 of the inner wall of the housing main body 21 forming the inner space 200, and the shaft is formed on the inner side.
  • the bearing portion main body 91 capable of bearing the end portions of 32 and the bearing portion flow passage 92 formed so as to connect the inner peripheral wall and the outer peripheral wall of the bearing portion main body 91.
  • the bearing portion flow path 92 is formed to extend from a portion of the bearing portion main body 91 on the opposite inner wall 213 side to an end portion on the opposite side to the opposite inner wall 213.
  • valve body 31 has a valve body end hole 314 formed so that the end of the shaft 32 and the bearing body 91 are located inside.
  • the physique of the housing body 21 in the direction of the rotation axis Axr1 can be reduced by disposing the bearing body 91 inside the valve body end hole 314. Thereby, the valve device 10 can be reduced in size.
  • the shaft bearing portion 90 has a cylindrical inner bearing portion 93 provided inside the bearing portion main body 91 and capable of bearing the end portion of the shaft 32 inside.
  • the valve body 31 has a valve body end hole 314 formed so that the end of the shaft 32 and the bearing body 91 are located inside.
  • the shaft bearing portion 90 has a cylindrical inner bearing portion 93 provided inside the bearing portion main body 91 and capable of bearing the end portion of the shaft 32 inside.
  • the difference between the inner diameter of the valve body end hole 314 and the outer diameter of the bearing body 91 is smaller than the difference between the inner diameter of the bearing body 91 and the outer diameter of the end of the shaft 32.
  • the cylindrical gap S1 between the valve body end hole portion 314 and the bearing portion main body 91 is relatively small and is not formed to a size that allows the coolant to actively flow.
  • the shaft bearing portion 90 is located on the lower side in the vertical direction with respect to the opposed inner wall 213.
  • the shaft bearing portion 90 is positioned on the upper side in the vertical direction of the internal space 200, and the air in the cooling water in the internal space 200 tends to accumulate inside the bearing portion main body 91. However, even if air accumulates inside the bearing portion main body 91, the air can be discharged to the outside of the bearing portion main body 91 via the bearing portion flow path 92.
  • the bearing portion main body 91 is formed in a substantially cylindrical shape.
  • the bearing portion flow path 92 is formed so as to extend from an end portion on the opposite inner wall 213 side of the bearing portion main body 91 to an end portion on the opposite side to the opposite inner wall 213.
  • Two bearing part flow paths 92 are formed at equal intervals in the circumferential direction of the bearing part main body 91 so as to sandwich the shaft of the bearing part main body 91 (see FIG. 107).
  • the inner bearing portion 93 is formed with a bearing notch portion 931.
  • the inner bearing portion 93 is formed in a substantially cylindrical shape with a resin such as PPS, for example.
  • the bearing notch portion 931 is formed to extend from one end portion of the inner bearing portion 93 to the other end portion while connecting the inner peripheral wall and the outer peripheral wall of the inner bearing portion 93.
  • the bearing notch portion 931 is formed in the inner bearing portion 93, the inner bearing portion 93 can be easily disposed between the end portion of the shaft 32 and the bearing portion main body 91.
  • the bearing notch portion 931 is formed to extend from one end portion of the inner bearing portion 93 to the other end portion while being inclined with respect to the axis of the inner bearing portion 93.
  • the inner peripheral wall of the inner bearing portion 93 can be brought into contact with the outer peripheral wall of the end portion of the shaft 32 at any portion in the circumferential direction of the inner bearing portion 93 regardless of the position in the axial direction.
  • the shaft 32 can be bearing stably.
  • the bearing portion main body 91 is formed so as to extend to the lower side of the upper end portion of the outlet port 221 in the vertical direction. That is, the front end portion of the bearing portion main body 91 is located below the end portion on the upper side in the vertical direction of the outlet port 221.
  • the air inside the bearing body 91 can be easily discharged to the outside of the housing body 21 via the outlet port 221.
  • This embodiment is a valve device 10 that can control the cooling water of the engine 2 of the vehicle 1, and includes a housing 20 and a valve 30.
  • the housing 20 includes a housing main body 21 in which a cylindrical housing inner wall 211 forming an inner space 200 is formed inside, and ports (220, 221) that open in the housing inner wall 211 and connect the inner space 200 and the outside of the housing main body 21. , 222, 223).
  • the valve 30 includes a valve body 31 that can rotate around the rotation axis Axr1 along the axis Axn1 of the housing inner wall 211 in the internal space 200, and an outer peripheral wall and an inner peripheral wall of the valve body 31.
  • the valve body opening (410, 420, 430) formed so as to be connected to each other, and the port can be opened and closed depending on the rotational position of the valve body 31.
  • the axis Axn1 and the rotation axis Axr1 coincide.
  • the housing inner wall 211 is formed such that the distance Dna1 from the axis Axn1 is different in the circumferential direction.
  • the distance Dgn1 between the outer peripheral wall of the valve body 31 and the housing inner wall 211 is different in the circumferential direction. That is, the distance Dgn1 between the outer peripheral wall of the valve body 31 and the housing inner wall 211 is not constant in the circumferential direction, and the gap Sb10 between the outer peripheral wall of the valve body 31 and the housing inner wall 211 is a large portion (gap Sb01). ) And a small portion (gap Sb02) are formed (see FIG. 109).
  • the valve body 31 is formed such that the distance Dga1 from the rotation axis Axr1 to the outer peripheral wall is the same in the circumferential direction. That is, the outer peripheral wall of the valve body 31 is formed to be circular in a cross section perpendicular to the rotation axis Axr1.
  • the distance Dgn1 between the outer peripheral wall of the valve body 31 and the housing inner wall 211 is different in the circumferential direction.
  • a large part (gap Sb01) and a small part (gap Sb02) are formed in the circumferential direction. Therefore, it is possible to suppress the malfunction of the valve body 31 due to the foreign matter remaining in the gap Sb10 between the outer peripheral wall of the valve body 31 and the housing inner wall 211.
  • the housing inner wall 211 is formed to be a non-circular circle in a cross section perpendicular to the axis Axn1.
  • the gap Sb10 between the outer peripheral wall of the valve body 31 and the housing inner wall 211 is formed with a large part (gap Sb01) and a small part (gap Sb02) in the circumferential direction.
  • the housing inner wall 211 is formed in a polygonal shape in a cross section perpendicular to the axis Axn1.
  • the cross section of the housing inner wall 211 is made close to a circle, and the physique in the radial direction of the housing body 21 is made smaller, while a large portion in the circumferential direction (gap Sb01) is formed in the gap Sb10 between the outer peripheral wall of the valve body 31 and the housing inner wall 211. And a small portion (gap Sb02) can be formed.
  • the housing inner wall 211 is formed in an octagonal shape in a cross section perpendicular to the axis Axn1. Further, the corner portion 214 which is a connecting portion of each side of the housing inner wall 211 having an octagonal cross section has a smooth curved shape (see FIGS. 108 and 109).
  • the physique in the radial direction of the housing body 21 can be further reduced. Further, it is possible to suppress foreign matters from staying at the corners 214 of the housing inner wall 211.
  • the foreign matter can be discharged from the gap Sb10 between the outer peripheral wall of the valve body 31 and the housing inner wall 211 in the “part where the outer diameter of the valve body 31 is the largest” where the influence of the foreign matter is large.
  • the foreign matter can be discharged from the gap Sb10 in the “portion of the gap Sb10 closed over the entire circumferential direction of the valve body 31” where the influence of the foreign matter is large.
  • the housing 20 has a relief port 224 that opens in the housing inner wall 211 and connects the internal space 200 and the outside of the housing body 21.
  • the present embodiment further includes a relief valve 39.
  • the relief valve 39 is provided in the relief port 224, and opens and closes the relief port 224 according to conditions.
  • the distance Dgn1 between the outer peripheral wall of the valve body 31 and the housing inner wall 211 is made different in the circumferential direction by forming the housing inner wall 211 such that the distance Dna1 from the axis Axn1 is different in the circumferential direction.
  • foreign matter can be easily discharged from the gap Sb10 between the outer peripheral wall of the valve body 31 and the housing inner wall 211. Thereby, it can suppress that a foreign material is pinched
  • the present embodiment further includes a valve seal 36.
  • the valve seal 36 is formed in an annular shape, is provided at a position corresponding to the ports (221, 222, 223) so as to be slidable with the outer peripheral wall of the valve body 31, and is liquid-tight between the outer peripheral wall of the valve body 31. Can be retained.
  • the distance Dgn1 between the outer peripheral wall of the valve body 31 and the housing inner wall 211 is Different in the circumferential direction.
  • the housing 20 has a housing opening 210 whose inner peripheral surface is connected to the end of the housing inner wall 211 in the direction of the axis Axn1 and connects the internal space 200 and the outside of the housing main body 21. .
  • the valve 30 has a shaft 32 provided on the rotation axis Axr1.
  • the partition wall 60 is formed in the partition wall body 61 provided in the housing opening 210 so as to separate the internal space 200 from the outside of the housing body 21 and the partition wall body 61 so that one end of the shaft 32 can be inserted.
  • a shaft insertion hole 62 is provided.
  • the drive unit 70 is provided on the opposite side of the partition wall main body 61 from the internal space 200, and can rotate the valve body 31 via one end of the shaft 32.
  • the annular seal member 600 is provided between the housing opening 210 and the partition wall main body 61, and can hold the space between the housing opening 210 and the partition wall main body 61 in a liquid-tight manner.
  • the inner peripheral surface of the housing opening 210 is formed in a cylindrical shape.
  • the inner wall 211 of the housing 31 is formed in a cylindrical shape while the inner wall 211 of the housing is formed to have a non-circular cross section, thereby forming a space between the outer wall of the valve body 31 and the housing inner wall 211.
  • the sealing property between the housing opening 210 and the partition wall body 61 can be secured while facilitating the removal of foreign matter from the gap Sb10.
  • the valve body 31 includes ball valves 41, 42, and 43 whose inner peripheral wall and outer peripheral wall are spherical.
  • the valve body 31 may be formed in a cylindrical shape, for example. Even in this case, foreign matters can be easily removed from the gap Sb10 between the outer peripheral wall of the valve body 31 and the housing inner wall 211 by forming the housing inner wall 211 and the like as described above.
  • This embodiment is a valve device 10 that can control the cooling water of the engine 2 of the vehicle 1, and includes a housing 20, a valve 30, a relief valve 39, and a shielding section 95.
  • the housing 20 includes a housing main body 21 that forms an internal space 200 inside, an inlet port 220 that connects the internal space 200 and the outside of the housing main body 21 and into which cooling water flows, and an internal space 200 and the outside of the housing main body 21.
  • the valve 30 has a valve body 31 that can rotate around the rotation axis Axr1 in the internal space 200, and a shaft 32 provided on the rotation axis Axr1.
  • the relief valve 39 is provided in the relief port 224, and opens or closes depending on the conditions, and allows or blocks communication between the internal space 200 and the outside of the housing body 21 via the relief port 224.
  • the opening condition of the relief valve 39 is, for example, “when the ambient temperature becomes equal to or higher than a predetermined temperature”.
  • the relief valve 39 opens, for example, when the temperature of the cooling water becomes equal to or higher than a predetermined temperature, and communicates between the internal space 200 via the relief port 224 and the space outside the housing body 21, that is, the space inside the pipe portion 515. And the communication is cut off when the temperature of the cooling water is lower than a predetermined temperature. Thereby, when the temperature of the cooling water rises excessively, such as when the vehicle 1 is overheated, the cooling water can be flowed from the internal space 200 to the external radiator 5 to cool the cooling water.
  • the shielding portion 95 can shield the relief valve 39 so that the relief valve 39 cannot be seen from the inlet port 220. More specifically, when viewed from the axial direction of the inlet port 220, the relief valve 39 is shielded by the shielding portion 95 and cannot be visually observed as a whole.
  • the shielding portion 95 is provided in the housing body 21 so as to be positioned on the relief port 224 side with respect to the shaft 32.
  • the shielding part 95 can be disposed close to the relief valve 39, and the direct hit of the cooling water to the relief valve 39 can be more effectively suppressed.
  • the shielding portion 95 is formed by projecting the inlet port 220 when the inlet port 220, the relief valve 39 and the shielding portion 95 are projected in the axial direction of the inlet port 220 or the axial direction of the relief port 224.
  • the projection is formed so as to have an area that is equal to or larger than the area of the portion B1 (the portion indicated by the lattice in FIG. 110) where the projection of the relief valve 39 overlaps.
  • the surface 951 on the valve 30 side of the shielding part 95 is formed to have a shape that follows the shape of the housing inner wall 211 that is the inner wall of the housing body 21 that forms the inner space 200.
  • the shielding part 95 is formed in a plate shape, and the plate thickness is uniform.
  • the relief valve 39 opens “when the ambient temperature is equal to or higher than a predetermined temperature”.
  • the relief valve 39 may be opened “when the pressure becomes equal to or higher than a predetermined pressure”.
  • the relief valve 39 may be opened “when the ambient temperature becomes a predetermined temperature or higher” and “when the pressure becomes a predetermined pressure or higher”. Even in this case, the malfunction of the relief valve 39 can be suppressed by suppressing the direct hit of the cooling water to the relief valve 39 by the shielding portion 95.
  • a valve device according to a fifteenth embodiment will be described with reference to FIGS.
  • the fifteenth embodiment is different from the fourteenth embodiment in the configuration of the valve body 31 and the like.
  • the formation positions and sizes of the valve body openings 410, 420, and 430 in the circumferential direction of the valve body 31 are different from those in the 14th embodiment.
  • the arrangement direction and shape of the ball valve 41, the cylindrical connection portion 44, the ball valve 42, the cylindrical valve connection portion 45, and the ball valve 43 are the same as in the fourteenth embodiment (FIGS. 90 to 102). Etc.).
  • the valve body opening part 410 has the large opening part 412 and the extending
  • This embodiment is a valve device 10 that can control the cooling water of the engine 2 of the vehicle 1 and includes a housing 20, a valve 30, a drive unit 70, and an ECU 8 as a control unit.
  • the housing 20 is connected to the internal space 200, the outlet port 221 as a radiator port connected to the radiator 5 of the vehicle 1, and the heater port connected to the heater 6 of the vehicle 1 connected to the internal space 200. It has an exit port 222 and an exit port 223 as a device port connected to the internal space 200 and connected to the device 7 of the vehicle 1.
  • the outlet ports 221, 222, and 223 are appropriately replaced with the radiator port 221, the heater port 222, and the device port 223, respectively.
  • the valve 30 has a valve body 31 that can rotate around the rotation axis Axr1 in the internal space 200, and can open and close the radiator port 221, the heater port 222, or the device port 223 according to the rotational position of the valve body 31.
  • the driving unit 70 can drive the valve body 31 to rotate.
  • the ECU 8 controls the operation of the drive unit 70 to control the rotational drive of the valve body 31, so that between the radiator port 221 and the radiator 5, between the heater port 222 and the heater 6, and between the device port 223 and the device The flow of the cooling water between 7 can be controlled.
  • the ECU 8 determines that the opening degree of all of the radiator port 221, the heater port 222, and the device port 223 is greater than 0 as the valve element 31 is driven to rotate in one direction. After that, the heater port 222 and the device port 223 are closed, and the drive unit 70 and the valve body 31 can be controlled so that the opening degree of only the radiator port 221 becomes the predetermined opening degree.
  • the predetermined opening is set to an opening that can increase the cooling efficiency of the engine 2, and the drive unit 70 and the valve body 31 are controlled so that the opening of only the radiator port 221 becomes the predetermined opening. As a result, it is possible to maximize the cooling efficiency of the engine 2 when the load is high.
  • the ECU 8 As shown in FIGS. 113 and 114, as the valve body 31 is driven to rotate in one direction of rotation, the ECU 8 has all the opening degrees of the radiator port 221, the heater port 222, and the device port 223 at the predetermined opening degree. After that, the drive unit 70 and the valve body 31 can be controlled so that the heater port 222 and the device port 223 are closed in the order of the heater port 222 and the device port 223.
  • heat exchange from the heater 6 can be immediately interrupted, and the cooling efficiency of the engine 2 can be increased.
  • the predetermined opening is set to 60% or more.
  • the cooling efficiency at the time of high load of the engine 2 can be appropriately maximized.
  • the predetermined opening degree is set to 100% in order to maximize the cooling efficiency of the engine 2.
  • the cooling efficiency at the time of high load of the engine 2 can be maximized by controlling the drive unit 70 and the valve body 31 so that the opening degree of only the radiator port 221 becomes the predetermined opening degree.
  • the valve body 31 has an outer peripheral wall and an inner peripheral wall formed in a spherical shape (see FIG. 67 and the like).
  • the valve 30 is formed so as to connect the valve body flow path 300 formed inside the inner peripheral wall of the valve body 31, the outer peripheral wall and the inner peripheral wall of the valve body 31, and is connected to the radiator port 221 depending on the rotational position of the valve body 31.
  • the device port 223 is formed so as to connect the valve body opening 420 serving as the heater opening with the heater polymerization ratio, which is the polymerization ratio, and the outer peripheral wall and the inner peripheral wall of the valve body 31.
  • valve body opening part 430 As an opening part for devices from which the device superposition
  • the valve body openings 410, 420, and 430 will be appropriately replaced with the radiator opening 410, the heater opening 420, and the device opening 430, respectively.
  • this embodiment can be realized by a rotary valve in which the outer peripheral wall and the inner peripheral wall are the spherical valve elements 31.
  • the radiator polymerization rate is more specifically determined by the seal opening 360 with respect to the maximum overlap area between the seal opening 360 of the valve seal 36 and the radiator opening 410 of the seal unit 35 provided in the radiator port 221. And the opening area of the radiator port 410, and corresponds to the opening of the radiator port 221.
  • the heater polymerization rate is determined by the seal opening 360 and the heater for the maximum overlap area between the seal opening 360 and the heater opening 420 of the valve seal 36 of the seal unit 35 provided in the heater port 222. It is the ratio of the overlapping area with the opening 420 and corresponds to the opening of the heater port 222.
  • the device polymerization rate is determined by the seal opening 360 and the device for the device with respect to the maximum overlap area between the seal opening 360 and the device opening 430 of the valve seal 36 of the seal unit 35 provided in the device port 223. It is the ratio of the overlapping area with the opening 430 and corresponds to the opening of the device port 223.
  • the heater port 222 When the heater polymerization ratio is greater than 0, the heater port 222 is opened, and the valve body flow path 300 and the heater 6 communicate with each other via the heater opening 420 and the heater port 222. Thereby, at this time, cooling water flows from the valve body flow path 300 to the heater 6 side.
  • the device port 223 When the device polymerization ratio is greater than 0, the device port 223 is opened, and the valve body channel 300 and the device 7 communicate with each other via the device opening 430 and the device port 223. Thereby, at this time, cooling water flows from the valve body flow path 300 to the device 7 side.
  • the opening degree of the heater port 222 is between Pr2 and Pr3. It increases at a predetermined rate from 0 (%). Thereby, an amount of cooling water corresponding to the opening degree of the heater port 222 flows to the heater 6 side.
  • the opening degree of the heater port 222 reaches 100% at Pr3 (fully open: the predetermined opening degree).
  • the opening degree of the device port 223 increases from 0 (%) to a predetermined rate between Pr4 and Pr5. Thereby, an amount of cooling water corresponding to the opening degree of the device port 223 flows to the device 7 side.
  • the opening degree of the device port 223 reaches 100% (full open: the predetermined opening degree) at Pr5.
  • the increasing rate of the opening degree of the heater port 222 between Pr2 and Pr3 per unit rotation angle of the valve body 31 is the same as the increasing rate of the opening degree of the device port 223 between Pr4 and Pr5. (See FIGS. 113 and 114).
  • the opening degree of the radiator port 221 increases from 0 (%) at a predetermined rate between Pr6 and Pr7. Thereby, an amount of cooling water corresponding to the opening degree of the radiator port 221 flows to the radiator 5 side.
  • the opening degree of the radiator port 221 further increases at a predetermined rate between Pr7 and Pr8.
  • the opening degree of the radiator port 221 reaches 100% (full opening: the predetermined opening degree) at Pr8. Therefore, in Pr8, all the openings of the radiator port 221, the heater port 222, and the device port 223 become the predetermined opening, that is, 100%.
  • the increase rate of the opening of the radiator port 221 between Pr6 and Pr7 per unit rotation angle of the valve body 31 is smaller than the increase rate of the opening of the radiator port 221 between Pr7 and Pr8 (FIG. 113, 114).
  • the radiator opening 410 is formed of the extended opening 413 and the large opening 412 (see FIGS. 93 and 94). That is, the increasing rate of the opening of the radiator port 221 is small when the extending opening 413 and the seal opening 360 are overlapped, and is increased when the large opening 412 and the seal opening 360 are overlapped.
  • the flow rate of the cooling water to the radiator 5 can be gradually increased at the initial opening of the radiator port 221. Thereby, the rapid temperature change of the cooling water by the heat exchange of the radiator 5 can be suppressed.
  • the increase rate of the opening degree of the radiator port 221 between Pr6 and Pr7 per unit rotation angle of the valve body 31 and the increase rate of the opening degree of the radiator port 221 between Pr7 and Pr8 are Pr2 and Pr2.
  • the rate of increase in the opening degree of the heater port 222 with respect to Pr3 is smaller than the rate of increase in the opening degree of the device port 223 between Pr4 and Pr5 (see FIGS. 113 and 114).
  • the change in the flow rate of the cooling water to the radiator 5 at the initial stage of the valve opening can be made slower than the change in the flow rate of the cooling water to the heater 6 and the device 7. Thereby, the rapid temperature change of the cooling water by the heat exchange of the radiator 5 can be suppressed.
  • the opening degree of the heater port 222 is decreased from 100% to a predetermined ratio between Pr9 and Pr10. As a result, the amount of cooling water flowing to the heater 6 side decreases according to the opening degree of the heater port 222.
  • the opening degree of the heater port 222 is 0% (fully closed) at Pr10. Thereby, the heater port 222 is closed and the flow of the cooling water to the heater 6 side is interrupted.
  • the opening degree of the device port 223 decreases between 100% and Pr12 at a predetermined rate between Pr11 and Pr12. As a result, the amount of cooling water flowing to the device 7 side decreases according to the opening degree of the device port 223.
  • the opening degree of the device port 223 becomes 0% (fully closed) at Pr12. Thereby, the device port 223 is closed and the flow of the cooling water to the device 7 side is blocked.
  • the decreasing rate of the opening degree of the heater port 222 between Pr9 and Pr10 per unit rotation angle of the valve body 31 is the same as the decreasing rate of the opening degree of the device port 223 between Pr11 and Pr12. (See FIGS. 113 and 114).
  • the opening degree of the radiator port 221 remains 100%. That is, at this time, only the radiator port 221 has an opening degree of 100% (fully open: the predetermined opening degree).
  • the ECU 8 is configured such that all the opening degrees of the radiator port 221, the heater port 222, and the device port 223 are Pr8. After reaching the degree (100%), the heater port 222 and the device port 223 are closed by Pr10 and Pr12, and the opening of only the radiator port 221 is set to the predetermined opening (100%) at Pr13 and the valve body 70 31 can be controlled.
  • the ECU 8 is configured such that the opening degree of the radiator port 221, the heater port 222, and the device port 223 is Pr8 as the valve body 31 is rotationally driven to one side in the rotational direction. After reaching the predetermined opening (100%), the drive unit 70 and the valve body 31 can be controlled so that the heater port 222 and the device port 223 are closed in the order of the heater port 222 and the device port 223 (Pr10, Pr12).
  • FIG. 115 shows a valve device according to the sixteenth embodiment.
  • the sixteenth embodiment differs from the fourteenth embodiment in the shapes of the fastening portions 231 to 233.
  • the fastening portion 231 has two outer walls (234, 235) in which the shape in a section perpendicular to the fastening hole 241 is linear, and an angle ⁇ 1 formed by the two outer walls (234, 235) is an obtuse angle. It is formed as follows.
  • the fastening portion 232 has two outer walls (236, 237) that are linear in cross section by a plane perpendicular to the fastening hole 242, and an angle ⁇ 2 formed by the two outer walls (236, 237) is an obtuse angle. It is formed as follows.
  • the fastening portion 233 has two outer walls (238, 239) in which the shape in a section perpendicular to the fastening hole 243 is linear, and an angle ⁇ 3 formed by the two outer walls (238, 239) is an obtuse angle. It is formed as follows.
  • the strength of the fastening portions 231 to 233 can be improved, and the earthquake resistance of the valve device 10 can be improved.
  • the cooling water flows into the internal space 200 when the valve device 10 is used, the weight of the device including the cooling water becomes relatively large. Therefore, by improving the strength of the fastening portions 231 to 233, the valve device 10 can be reliably fixed in a limited mounting space (narrow space A1).
  • the range in which the fastening portion 231 is formed overlaps with the range in which the fastening portion 232 and the fastening portion 233 are formed.
  • the housing body 21 can be stably fixed to the engine 2.
  • the lengths of the fastening portions 231, 232, 233 in the direction of the rotation axis Axr 1 of the valve body 31 are larger than the diameter of the inlet port 220.
  • the housing body 21 can be stably fixed to the engine 2.
  • the length of the fastening portion 231 in the direction of the rotation axis Axr1 of the valve body 31 is larger than the length of the fastening portion 232 or the fastening portion 233 in the direction of the rotation axis Axr1 of the valve body 31.
  • the center of the fastening portion 231 in the direction of the rotational axis Axr1 of the valve body 31 and the center of the fastening portion 233 in the direction of the rotational axis Axr1 of the valve body 31 are closer to the drive portion 70 than the center of the inlet port 220.
  • vibrations by the drive unit 70 can be effectively suppressed.
  • the end of the outer wall 238 of the fastening portion 233 on the drive unit 70 side is located on the opposite side of the rotation axis Axr1 with respect to the end of the outer wall 239 on the inlet port 220 side.
  • vibrations by the drive unit 70 can be effectively suppressed.
  • the fastening portions 232 and 233 are formed from one end to the other end in the direction of the rotation axis Axr1 of the valve body 31 in a range in which the mounting surface recess 207 is formed in the mounting surface 201.
  • the housing body 21 can be stably fixed to the engine 2.
  • FIG. 17th Embodiment A part of the valve device according to the seventeenth embodiment is shown in FIG.
  • the seventeenth embodiment differs from the third embodiment in the configuration of the valve 30 and the like.
  • the partition wall 60 includes a partition wall body 61 that separates the internal space 200 from the outside of the housing 20, a shaft insertion hole 62 formed in the partition wall body 61 so that one end of the shaft 32 can be inserted, and the partition wall body 61.
  • a regulating recess 63 that is recessed from the surface on the inner space 200 side to the side opposite to the inner space 200 is provided.
  • the valve body 31 has a regulation convex part 344 that extends from the first outermost end surface 301 that is the surface of the second divided body 34 on the partition wall part 60 side to the regulation concave part 63 side and whose tip part is located in the regulation concave part 63. Yes.
  • 3rd Embodiment showed the example which forms a control convex part so that the 1st control convex part 332 and the 2nd control convex part 342 contact
  • one restriction convex portion 344 is formed so as to extend from the second divided body 34.
  • the force in the direction in which the first divided body 33 and the second divided body 34 are separated (separated) at the joint surfaces 331 and 341 is the valve body. It can suppress acting on 31. Therefore, when the restricting convex portion 344 comes into contact with the restricting portion 631 of the restricting concave portion 63, it is possible to suppress the first divided body 33 and the second divided body 34 from being separated by the joint surfaces 331 and 341.
  • the restricting convex portion 344 is formed on the “virtual plane Vp8 including the rotation axis Axr1 and perpendicular to the joint surfaces 331 and 341” (see FIG. 116).
  • FIG. 117 shows a part of the valve device according to the eighteenth embodiment.
  • the eighteenth embodiment differs from the third embodiment in the configuration of the valve 30 and the like.
  • the first restriction convex portion 332 extends toward the restriction concave portion 63 along the surface direction of the joint surface 331.
  • the second restriction convex part 342 extends toward the restriction concave part 63 along the surface direction of the joint surface 341 without contacting the first restriction convex part 332.
  • the first divided body 33 and the second divided body 34 are separated (separated) at the joint surfaces 331 and 341. )
  • Directional force does not work. Therefore, when the first restriction convex part 332 or the second restriction convex part 342 comes into contact with the restriction part 631 of the restriction concave part 63, the first divided body 33 and the second divided body 34 are separated by the joint surfaces 331 and 341. Can be suppressed.
  • the first restriction convex part 332 and the second restriction convex part 342 are It is formed on one side of the two regions (see FIG. 117).
  • the distance between the rotation axis Axr1 and the first restriction convex part 332 is smaller than the distance between the rotation axis Axr1 and the second restriction convex part 342 (see FIG. 117).
  • FIG. 1 A part of the valve device according to the nineteenth embodiment is shown in FIG.
  • the nineteenth embodiment differs from the fourteenth embodiment in the shape of the restriction recess 63.
  • the bottom surface 630 of the restricting recess 63 is formed in a tapered shape so as to approach the drive unit 70 from the inner cylinder wall surface 632 side toward the outer cylinder wall surface 633 side.
  • the foreign matter on the bottom surface 630 of the restricting concave portion 63 can be actively guided to the foreign matter depositing portion 68 on the radially outer side of the restricting concave portion 63, and the foreign matter can be moved away from the shaft insertion hole 62. Thereby, the sealing performance by the shaft seal member 603 can be effectively ensured.
  • FIG. 20 A part of the valve device according to the twentieth embodiment is shown in FIG.
  • the twentieth embodiment differs from the fourteenth embodiment in the configuration of the valve 30 and the restricting portion 631.
  • the valve 30 has a valve body cylinder portion 315 that extends in a cylindrical shape from the valve body 31 to the drive section 70 side.
  • the distal end portion of the valve body cylinder portion 315 is located on the radially outer side of the inner cylinder wall surface 632.
  • the valve 30 includes a labyrinth forming portion 316 that is formed in the valve body cylindrical portion 315 and can form a labyrinth-like space Sr1 between the inner cylindrical wall surface 632.
  • the labyrinth forming portion 316 is formed in an annular shape so as to protrude radially inward from the distal end portion of the valve body cylinder portion 315.
  • valve body cylinder portion 315 is formed so as to be positioned on the inner cylinder wall surface 632 side with respect to the restriction portion 631 in the radial direction of the restriction recess 63.
  • FIGS. 21st Embodiment A part of the valve device according to the twenty-first embodiment is shown in FIGS.
  • the twenty-first embodiment differs from the fourteenth embodiment in the arrangement of the shielding portion 95 and the like.
  • the shielding part 95 is provided in the housing main body 21 so as to be positioned on the inlet port 220 side with respect to the shaft 32.
  • the shielding portion 95 can be disposed at a suitable distance from the relief valve 39, and the reactivity of the relief valve 39 can be ensured while suppressing direct hit of the cooling water to the relief valve 39.
  • the shielding part 95 projects the inlet port 220 and the relief valve 39 when the inlet port 220, the relief valve 39 and the shielding part 95 are projected in the axial direction of the inlet port 220 or the axial direction of the relief port 224.
  • the projection is formed so as to have an area larger than the area of the portion B2 where the projection overlaps.
  • the shielding part 95 is formed in a plate shape, and the plate thickness is uniform.
  • the formation positions and sizes of the valve body openings 410, 420, and 430 in the circumferential direction of the valve body 31 are different from those in the fifteenth embodiment.
  • the ECU 8 As shown in FIG. 122, as the valve body 31 is rotationally driven to one side in the rotational direction, the ECU 8 is configured so that all the openings of the radiator port 221, the heater port 222, and the device port 223 become the predetermined opening.
  • the drive unit 70 and the valve body 31 can be controlled so that the heater port 222 and the device port 223 are closed in the order of the device port 223 and the heater port 222.
  • the cooling efficiency of the engine 2 can be increased while maintaining the heating performance in winter.
  • the way of changing the opening degree of the radiator port 221, the heater port 222, and the device port 223 according to the rotation of the valve body 31 is the same as that of the fifteenth embodiment when the rotational position of the valve body 31 is Pr0 to Pr8. Is omitted.
  • the opening degree of the device port 223 decreases at a predetermined rate from 100% between Pr9 and Pr10.
  • the amount of cooling water flowing to the device 7 side decreases according to the opening degree of the device port 223.
  • the opening degree of the device port 223 becomes 0% (fully closed) at Pr10. Thereby, the device port 223 is closed and the flow of the cooling water to the device 7 side is blocked.
  • the opening degree of the heater port 222 decreases at a predetermined rate from 100% between Pr11 and Pr12. As a result, the amount of cooling water flowing to the heater 6 side decreases according to the opening degree of the heater port 222.
  • the opening degree of the heater port 222 is 0% (fully closed) at Pr12. Thereby, the heater port 222 is closed and the flow of the cooling water to the heater 6 side is interrupted.
  • the decreasing rate of the opening degree of the device port 223 between Pr9 and Pr10 per unit rotation angle of the valve body 31 is the same as the decreasing rate of the opening degree of the heater port 222 between Pr11 and Pr12. .
  • the opening degree of the radiator port 221 remains 100%. That is, at this time, only the radiator port 221 has an opening degree of 100% (fully open: the predetermined opening degree).
  • the ECU 8 is configured such that all the opening degrees of the radiator port 221, the heater port 222, and the device port 223 are Pr8. After reaching the degree (100%), the device port 223 and the heater port 222 are closed by Pr10 and Pr12, and the opening of only the radiator port 221 is set to the predetermined opening (100%) at Pr13 and the valve body 70 31 can be controlled.
  • the ECU 8 is configured such that the opening degree of the radiator port 221, the heater port 222, and the device port 223 is Pr8 as the valve body 31 is rotationally driven to one side in the rotational direction. After reaching the predetermined opening (100%), the drive unit 70 and the valve body 31 can be controlled so that the heater port 222 and the device port 223 are closed in the order of the device port 223 and the heater port 222 (Pr10, Pr12).
  • a valve device according to a twenty-third embodiment will be described with reference to FIG.
  • the twenty-third embodiment is different from the fifteenth embodiment in the configuration of the valve body 31, the manner of controlling the drive unit 70 and the valve body 31, and the like.
  • the formation positions and sizes of the valve body openings 410, 420, and 430 in the circumferential direction of the valve body 31 are different from those in the fifteenth embodiment.
  • the ECU 8 As shown in FIG. 123, as the valve body 31 is rotationally driven to one side in the rotational direction, the ECU 8 is configured so that all the opening degrees of the radiator port 221, the heater port 222, and the device port 223 become the predetermined opening degree.
  • the drive unit 70 and the valve body 31 can be controlled so that the heater port 222 and the device port 223 are simultaneously closed.
  • the heat exchange from the heater 6 and the device 7 can be immediately interrupted, and the cooling rate and cooling efficiency of the engine 2 can be increased.
  • the way of changing the opening degree of the radiator port 221, the heater port 222, and the device port 223 according to the rotation of the valve body 31 is the same as that of the fifteenth embodiment when the rotational position of the valve body 31 is Pr0 to Pr8. Is omitted.
  • the opening degree of the heater port 222 and the opening degree of the device port 223 are decreased from 100% at a predetermined rate between Pr9 and Pr10. Thereby, the amount of cooling water flowing to the heater 6 side and the device 7 side decreases according to the opening degree of the heater port 222 and the opening degree of the device port 223.
  • the opening degree of the heater port 222 and the opening degree of the device port 223 become 0% (fully closed) at Pr10. Thereby, the heater port 222 and the device port 223 are closed, and the flow of the cooling water to the heater 6 side and the device 7 side is blocked.
  • the decreasing rate of the opening degree of the heater port 222 between Pr9 and Pr10 per unit rotation angle of the valve body 31 is the same as the decreasing rate of the opening degree of the device port 223 between Pr9 and Pr10. .
  • the opening degree of the radiator port 221 remains 100%. That is, at this time, only the radiator port 221 has an opening degree of 100% (fully open: the predetermined opening degree).
  • the ECU 8 is configured such that all the opening degrees of the radiator port 221, the heater port 222, and the device port 223 are Pr8. After that, the heater port 222 and the device port 223 are closed with Pr10, and the drive unit 70 and the valve body 31 are set so that the opening degree of only the radiator port 221 becomes the predetermined opening degree (100%) with Pr11. It can be controlled.
  • the ECU 8 is configured such that the opening degree of the radiator port 221, the heater port 222, and the device port 223 is Pr8 as the valve body 31 is rotationally driven to one side in the rotational direction. After reaching the predetermined opening (100%), the drive unit 70 and the valve body 31 can be controlled so that the heater port 222 and the device port 223 are simultaneously closed (Pr10).
  • a valve device according to a twenty-fourth embodiment will be described with reference to FIGS.
  • the twenty-fourth embodiment differs from the fifteenth embodiment in the configuration of the valve body 31, the way of controlling the drive unit 70 and the valve body 31, and the like.
  • the formation positions and sizes of the valve body openings 410, 420, and 430 in the circumferential direction of the valve body 31 are different from those in the fifteenth embodiment.
  • the present embodiment is a valve device 10 that can control the cooling water of the engine 2 of the vehicle 1, and includes a housing 20, a valve 30, a drive unit 70, and an ECU 8 as a control unit.
  • the ECU 8 causes the valve body 31 to rotate on one side with respect to 0 (degrees) which is the reference position in the rotation direction, for example, in winter when the environmental temperature is equal to or lower than a predetermined temperature.
  • the valve body 31 is rotationally driven, for example, in summer when the environmental temperature is higher than a predetermined temperature, the valve body 31 is rotationally driven in a cooling priority mode in which the valve body 31 is rotated on the other side with respect to the reference position in the rotational direction.
  • the ECU 8 may be configured according to the operating state of the air conditioner as a vehicle state, such as rotating the valve body 31 in a normal mode when the air conditioner is off, and in a cooling priority mode when the air conditioner is on.
  • the normal mode and the cooling priority mode may be switched.
  • the ECU 8 may switch between the normal mode and the cooling priority mode according to both the vehicle environment and the vehicle state.
  • the ECU 8 determines that “the vehicle environment such as the outside air temperature, the temperature inside the vehicle interior, or the temperature difference between the outside air temperature and the vehicle interior temperature” and / or “the load state of the engine 2, the vehicle speed, or the acceleration of the vehicle 1.
  • the normal mode and the cooling priority mode may be switched according to the vehicle state other than the air conditioner operating state such as the state.
  • the ECU 8 can control the drive unit 70 and the valve body 31 so that only the radiator port 221 has a predetermined opening larger than 0 at a specific rotational position of the valve body 31 in the normal mode.
  • the predetermined opening is set to such an extent that the cooling efficiency of the engine 2 can be increased, and only the radiator port 221 has the predetermined opening so that the opening becomes the predetermined opening.
  • the ECU 8 can control the drive unit 70 and the valve body 31 so that the radiator port 221 has the predetermined opening degree on both sides of the normal mode and the cooling priority mode.
  • the cooling efficiency at the time of high load of the engine 2 can be enhanced in either the normal mode or the cooling priority mode.
  • the ECU 8 can control the drive unit 70 and the valve body 31 so that the opening degree of the radiator port 221, the heater port 222, or the device port 223 becomes the predetermined opening degree.
  • the ECU 8 can control the drive unit 70 and the valve body 31 so that all the opening degrees of the radiator port 221, the heater port 222, and the device port 223 become the predetermined opening degrees in the normal mode. It is.
  • the predetermined opening is set to 60% or more.
  • the drive unit 70 and the valve body 31 are controlled so that the radiator port 221 has the predetermined opening degree in both the normal mode and the cooling priority mode. Cooling efficiency at high load can be increased appropriately.
  • the drive unit 70 and the valve body 31 controls the drive unit 70 and the valve body 31 so that the opening degree of the radiator port 221, the heater port 222 or the device port 223 becomes the predetermined opening degree alone, the surroundings of the cooling water are concentrated on the necessary portions. Therefore, the efficiency of heat exchange can be increased appropriately.
  • the radiator 5 by controlling the drive unit 70 and the valve body 31 so that all the openings of the radiator port 221, the heater port 222, and the device port 223 become the predetermined opening, in the normal mode, the radiator 5, Heat can be exchanged in all of the heater 6 and the device 7, and the engine 2 can be appropriately cooled while ensuring the heating performance.
  • the predetermined opening degree is set to 100% in order to maximize the cooling efficiency of the engine 2.
  • Pr-5 to 10 means the rotational positions Pr-5 to 10 in FIG.
  • the ECU 8 performs the normal mode in which the valve body 31 is rotated on one side (Pr0 to 10) with respect to 0 (degrees) that is the reference position in the rotation direction, depending on the vehicle environment and / or the vehicle state, or The valve element 31 is rotationally driven in a cooling priority mode in which the rotation is performed on the other side (Pr0 to ⁇ 5) with respect to the reference position in the rotation direction.
  • the heater port 222 is connected between Pr1 and Pr2.
  • the opening degree increases from 0 (%) at a predetermined rate. Thereby, an amount of cooling water corresponding to the opening degree of the heater port 222 flows to the heater 6 side.
  • the opening degree of the heater port 222 reaches 100% (full open: the predetermined opening degree) at Pr2.
  • the opening degree of the device port 223 increases from 0 (%) to a predetermined ratio between Pr3 and Pr4. Thereby, an amount of cooling water corresponding to the opening degree of the device port 223 flows to the device 7 side.
  • the opening degree of the device port 223 reaches 100% at Pr4 (fully open: the predetermined opening degree).
  • the increasing rate of the opening degree of the heater port 222 between Pr1 and Pr2 per unit rotation angle of the valve body 31 is the same as the increasing rate of the opening degree of the device port 223 between Pr3 and Pr4. (See FIGS. 124 and 125).
  • the opening degree of the radiator port 221 increases from 0 (%) at a predetermined rate between Pr5 and Pr6. Thereby, an amount of cooling water corresponding to the opening degree of the radiator port 221 flows to the radiator 5 side.
  • the opening degree of the radiator port 221 further increases at a predetermined rate between Pr6 and Pr7.
  • the opening degree of the radiator port 221 reaches 100% (full opening: the predetermined opening degree) at Pr7. Therefore, in Pr7, all the openings of the radiator port 221, the heater port 222, and the device port 223 become the predetermined opening, that is, 100%.
  • the increasing rate of the opening of the radiator port 221 between Pr5 and Pr6 per unit rotation angle of the valve body 31 is smaller than the increasing rate of the opening of the radiator port 221 between Pr6 and Pr7 (FIG. 124, 125). This is because the radiator opening 410 is formed of the extended opening 413 and the large opening 412 (see FIGS. 93 and 94).
  • the flow rate of the cooling water to the radiator 5 can be gradually increased at the initial opening of the radiator port 221. Thereby, the rapid temperature change of the cooling water by heat exchange of the radiator 5 can be suppressed in the normal mode.
  • the rate of increase of the opening of the radiator port 221 between Pr5 and Pr6 per unit rotation angle of the valve body 31, and the rate of increase of the opening of the radiator port 221 between Pr6 and Pr7 are Pr1 and Pr6.
  • the rate of increase in the opening degree of the heater port 222 with respect to Pr2 is smaller than the rate of increase in the opening degree of the device port 223 between Pr3 and Pr4 (see FIGS. 124 and 125).
  • the change in the flow rate of the cooling water to the radiator 5 at the initial stage of the valve opening can be made slower than the change in the flow rate of the cooling water to the heater 6 and the device 7. Thereby, the rapid temperature change of the cooling water by heat exchange of the radiator 5 can be suppressed in the normal mode.
  • the opening degree of the heater port 222 and the opening degree of the device port 223 are decreased from 100% at a predetermined rate between Pr8 and Pr9. Thereby, the amount of cooling water flowing to the heater 6 side and the device 7 side decreases according to the opening degree of the heater port 222 and the opening degree of the device port 223.
  • the opening degree of the heater port 222 and the opening degree of the device port 223 become 0% (fully closed) at Pr9. Thereby, the heater port 222 and the device port 223 are closed, and the flow of the cooling water to the heater 6 side and the device 7 side is blocked.
  • the decreasing rate of the opening degree of the heater port 222 between Pr8 and Pr9 per unit rotation angle of the valve body 31 is the same as the decreasing rate of the opening degree of the device port 223 between Pr8 and Pr9. (See FIGS. 124 and 125).
  • the opening degree of the device port 223 increases from 0 (%) at a predetermined rate. Thereby, an amount of cooling water corresponding to the opening degree of the device port 223 flows to the device 7 side. The opening degree of the device port 223 reaches 100% (full opening: the predetermined opening degree) at Pr-2.
  • the increasing rate of the opening degree of the device port 223 between Pr-1 and Pr-2 per unit rotation angle of the valve body 31 is the increasing rate of the opening degree of the device port 223 between Pr3 and Pr4. (See FIGS. 124 and 125).
  • the opening degree of the radiator port 221 increases from 0 (%) at a predetermined rate between Pr-3 and Pr-4. Thereby, an amount of cooling water corresponding to the opening degree of the radiator port 221 flows to the radiator 5 side.
  • the opening degree of the radiator port 221 reaches 100% at Pr-4 (fully open: the predetermined opening degree). Therefore, at Pr-4, the opening degree of the radiator port 221 and the device port 223 becomes the predetermined opening degree, that is, 100%.
  • the increase rate of the opening of the radiator port 221 between Pr-3 and Pr-4 per unit rotation angle of the valve body 31 is the increase rate of the opening of the radiator port 221 between Pr6 and Pr7. (See FIGS. 124 and 125).
  • the valve body 31 When the valve body 31 is further rotationally driven to the other side in the rotational direction, at Pr-5, the other of the first restriction convex part 332 or the second restriction convex part 342 comes into contact with the restriction part 631, and the valve body 31 is rotationally driven. Stop. At this time, the opening degree of the radiator port 221 and the opening degree of the device port 223 remain 100%. That is, at this time, the opening degree of the radiator port 221 and the opening degree of the device port 223 are 100% (fully open: the predetermined opening degree).
  • the ECU 8 controls the drive unit 70 so that only the radiator port 221 has a predetermined opening larger than 0 at Pr9 to 10 which are specific rotational positions of the valve body 31 in the normal mode. And the valve body 31 can be controlled.
  • the ECU 8 can control the drive unit 70 and the valve body 31 so that the radiator port 221 is at the predetermined opening degree in the normal mode Pr7 to 10 and the cooling priority mode Pr-4 to -5.
  • the ECU 8 drives the driving unit 70 so that the opening degree of the radiator port 221, the heater port 222 or the device port 223 becomes the predetermined opening degree independently at Pr9 to 10, Pr2 to 3, and Pr-2 to -3, respectively.
  • the valve body 31 can be controlled.
  • the ECU 8 can control the drive unit 70 and the valve body 31 so that all the opening degrees of the radiator port 221, the heater port 222, and the device port 223 become the predetermined opening degree in Pr7-8.
  • FIG. 25th Embodiment A part of the valve device according to the twenty-fifth embodiment is shown in FIG.
  • the twenty-fifth embodiment differs from the first embodiment in the configuration near the bearing portion 602.
  • this embodiment includes a shaft seal portion 96 instead of the shaft seal member 603.
  • the shaft seal portion 96 is provided in the shaft insertion hole 62, and an annular seal portion annular member 97 whose inner edge portion can abut against the outer peripheral wall of the shaft 32, and the inner edge portion of the shaft 32 is softer than the seal portion annular member 97.
  • An annular shaft seal member 98 that abuts on the outer peripheral wall and can hold fluid tightly between the shaft 32 is provided.
  • the inlet port 220 is formed on the radially outer side of the shaft 32. Therefore, the cooling water flowing into the internal space 200 from the inlet port 220 collides with the outer peripheral wall of the shaft 32, and the shaft 32 is likely to be shaken. When shaft blurring occurs in the shaft 32, the load on the shaft seal member 98 may increase.
  • the shaft seal portion 96 having the above-described configuration is provided, and the shaft portion of the shaft 32 is suppressed by the seal portion annular member 97 to reduce the load on the shaft seal member 98 due to the shaft shake. Thereby, the deterioration of the sealing performance due to deterioration, wear, deformation or the like of the shaft seal member 98 can be suppressed.
  • the shaft seal portion 96 further includes a seal portion holding member 99 that is harder than the seal portion annular member 97 and can hold the seal portion annular member 97 and the shaft seal member 98 in the shaft insertion hole 62.
  • the seal portion annular member 97 is made of resin.
  • the shaft seal member 98 is made of rubber.
  • the seal portion holding member 99 is made of metal.
  • the shaft portion of the shaft 32 is effectively suppressed by the seal portion annular member 97, the sealing performance of the shaft seal member 98 is secured, and the seal portion annular member 97 and the shaft seal member 98 are stabilized by the seal portion holding member 99. Can be held.
  • the shaft seal member 98 includes a first shaft seal member 981 that abuts the outer peripheral wall of the shaft 32 on the valve body 31 side with respect to a contact portion between the seal portion annular member 97 and the outer peripheral wall of the shaft 32, and the seal portion annular member
  • the second shaft seal member 982 is in contact with the outer peripheral wall of the shaft 32 on the drive unit 70 side with respect to the contact portion between 97 and the outer peripheral wall of the shaft 32.
  • the shaft seal of the shaft 32 can be suppressed by the single seal portion annular member 97, and the load on the first shaft seal member 981 and the second shaft seal member 982 due to the shaft shake can be reduced. Further, the first shaft seal member 981 and the second shaft seal member 982 that contact the outer peripheral wall of the shaft 32 on the valve body 31 side and the drive unit 70 side of the seal portion annular member 97 further improve the sealing performance of the outer periphery of the shaft 32. Can be increased.
  • the seal portion annular member 97 is formed in an annular shape from a resin such as PTFE (polytetrafluoroethylene).
  • the seal portion annular member 97 is provided such that an inner edge portion thereof can contact and slide on the outer peripheral wall of the shaft 32.
  • the shaft 32 can be smoothly rotated inside the seal portion annular member 97 by forming the seal portion annular member 97 with PTFE having a small friction coefficient.
  • the seal portion annular member 97 is provided on the valve body 31 side with respect to the partition wall through hole 65 (see FIG. 126).
  • the first shaft seal member 981 is formed in an annular shape so as to be elastically deformable by rubber such as EPDM (ethylene propylene rubber).
  • the first shaft seal member 981 is in contact with the contact portion between the seal portion annular member 97 and the outer peripheral wall of the shaft 32 so that the inner edge portion is in close contact with the outer peripheral wall of the shaft 32 on the valve body 31 side.
  • the inner edge portion of the first shaft seal member 981 is slidable with the outer peripheral wall of the shaft 32.
  • the seal annular member 97 is located inside the first shaft seal member 981 (see FIG. 126).
  • the second shaft seal member 982 is formed in an annular shape so as to be elastically deformable by rubber such as NBR (nitrile rubber).
  • the second shaft seal member 982 is in contact with the contact portion between the seal portion annular member 97 and the outer peripheral wall of the shaft 32 so that the inner edge portion is in close contact with the outer peripheral wall of the shaft 32 on the drive unit 70 side.
  • the inner edge portion of the second shaft seal member 982 is slidable with the outer peripheral wall of the shaft 32.
  • the second shaft seal member 982 is provided between the partition wall through hole 65 and the bearing portion 602 in the axial direction of the shaft 32 (see FIG. 126).
  • the seal part holding member 99 has an outer seal part holding member 990 and inner seal part holding members 991, 992, and 993.
  • the outer seal portion holding member 990 and the inner seal portion holding members 991, 992, and 993 are made of, for example, metal.
  • the outer seal portion holding member 990 is formed in a cylindrical shape, and is provided so that the outer peripheral wall is fitted in the shaft insertion hole 62.
  • the outer seal portion holding member 990 holds the first shaft seal member 981 so that the inner peripheral wall comes into contact with the outer peripheral wall of the first shaft seal member 981.
  • the inner seal portion holding member 991 is formed in an annular shape, and the end portion on the valve body 31 side of the first shaft seal member 981 and the outer seal portion holding member so that the outer edge portion is fitted to the inner peripheral wall of the outer seal portion holding member 990. 990.
  • the inner seal portion holding member 991 holds the end portion of the first shaft seal member 981 on the valve body 31 side.
  • the inner seal portion holding member 992 is formed in a cylindrical shape, and the outer seal portion holding member 990 and the first shaft seal are arranged such that the outer peripheral wall comes into contact with the inner peripheral wall of the end portion of the first shaft seal member 981 on the drive portion 70 side.
  • the member 981 is provided inside the end on the drive unit 70 side.
  • the inner seal portion holding member 992 holds the seal portion annular member 97 such that the inner peripheral wall comes into contact with the outer edge portion of the seal portion annular member 97.
  • the inner seal portion holding member 993 is formed in an annular shape, and is provided inside the end portion of the inner seal portion holding member 992 on the drive unit 70 side so that the outer edge portion is fitted to the inner peripheral wall of the inner seal portion holding member 992. ing.
  • the inner seal portion holding member 993 holds the seal portion annular member 97 such that the end portion on the valve body 31 side comes into contact with the surface on the drive portion 70 side of the seal portion annular member 97.
  • the seal portion annular member 97 and the inner seal portion holding members 992, 993 are provided on the inner side of the elastically deformable first shaft seal member 981, so that the radial direction is formed inside the shaft insertion hole 62. It can move together. Therefore, the shaft portion of the shaft 32 can be more effectively suppressed by the seal portion annular member 97.
  • first shaft seal member 981 is formed of EPDM and the second shaft seal member 982 is formed of NBR is shown.
  • the first shaft seal member 981 may be formed of NBR
  • the second shaft seal member 982 may be formed of EPDM.
  • both the first shaft seal member 981 and the second shaft seal member 982 may be formed of NBR.
  • both the first shaft seal member 981 and the second shaft seal member 982 may be formed of EPDM.
  • valve apparatus 10 may follow a perpendicular direction.
  • the valve device 10 may be attached to the engine 2 such that the shaft 32 is perpendicular to the vertical direction or is inclined. In this case, although the shaft 32 may be biased due to gravity, the seal portion annular member 97 can suppress the shaft 32 bias due to gravity.
  • FIG. 127 shows a valve device and a cooling system according to the twenty-sixth embodiment.
  • the twenty-sixth embodiment differs from the first embodiment in the arrangement of the water pump 4, the direction in which the cooling water flows, and the like.
  • the suction port and the discharge port of the water pump 4 are provided to be opposite to those in the first embodiment.
  • the water pump 4 is provided on the outlet side of the water jacket 3, sucks the cooling water flowing through the water jacket 3, and pumps the sucked cooling water toward the radiator 5, the heater 6, and the device 7.
  • the outlet of the radiator 5 is connected to the outlet port 221 of the valve device 10.
  • the outlet of the heater 6 is connected to the outlet port 222 of the valve device 10.
  • the outlet of the device 7 is connected to the outlet port 223 of the valve device 10.
  • the valve device 10 is attached to the engine 2 so that the inlet port 220 is connected to the inlet of the water jacket 3.
  • the cooling water that has flowed through the radiator 5, the heater 6, and the device 7 flows into the valve device 10 from the outlet ports 221, 222, and 223, and flows into the water jacket 3 from the inlet port 220.
  • the valve device 10 adjusts the flow rate of the cooling water flowing from the radiator 5, the heater 6, and the device 7 to the water jacket 3.
  • valve device 10 can be used in such a way that cooling water flows in from the three outlet ports (221 to 223) and cooling water flows out of the one inlet port (220).
  • valve device 10 is attached to the engine 2 so that the inlet port 220 is connected to the inlet of the water jacket 3 is shown.
  • the inlet port 220 and the water jacket 3 may be connected via a member such as a pipe, and the housing 20 of the valve device 10 may be provided away from the engine 2.
  • the first restriction convex part 332 may be formed at a position away from the second restriction convex part 342.
  • the distance between the first restriction convex part 332 and the rotation axis Axr1 may be the same as or different from the distance between the second restriction convex part 342 and the rotation axis Axr1.
  • the first restriction convex part 332 and the rotation axis Axr1 When the distance between the first restriction convex part 332 and the rotation axis Axr1 is the same as the distance between the second restriction convex part 342 and the rotation axis Axr1, the first restriction convex part 332 and the second restriction convex part 342 are restricted.
  • the contact load when contacting the part 631 and the rotation of the valve body 31 is restricted can be made the same.
  • the partition wall through hole 65 may be formed so that its cross-sectional area gradually increases from the radially outer side to the radially inner side of the shaft insertion hole 62.
  • the housing main body 21 and the partition wall 60 are formed separately.
  • the housing body 21 and the partition wall 60 may be integrally formed.
  • the inlet port 220, the outlet ports 221 to 223, and the relief port 224 are formed in a direction orthogonal to the axis of the shaft 32 .
  • the inlet port 220, the outlet ports 221 to 223, and the relief port 224 may be formed in the axial direction of the shaft 32.
  • the valve device 10 may be used so that the cooling water flows in from the outlet ports 221 to 223 and the cooling water flows out from the inlet port 220.
  • any number of inlet ports, outlet ports, and relief ports may be formed in the housing body 21.
  • valve device 10 In the above-described embodiment, the example in which the valve device 10 is applied to the engine 2 as a heating element is shown. On the other hand, in other embodiments, it may be adopted as a valve device for controlling cooling water of a battery as a heating element mounted on a hybrid vehicle, an electric vehicle or the like.
  • valve device 10 may be attached to the heating element in any posture.
  • the number of cover fixing portions is not limited to six, but may be any number, such as five, with respect to the cover main body 81.
  • the valve body 31 may have an outer peripheral wall and an inner peripheral wall formed in a cylindrical shape. Further, the valve body 31 may have at least a part of the outer peripheral wall formed in a spherical shape or a cylindrical shape. Even with such a rotary valve, the same effects as those of the fifteenth embodiment can be obtained.
  • control unit and the method described in the present disclosure are realized by a dedicated computer provided by configuring a processor and a memory programmed to execute one or more functions embodied by a computer program. May be.
  • control unit and the method thereof described in the present disclosure may be realized by a dedicated computer provided by configuring a processor with one or more dedicated hardware logic circuits.
  • control unit and the method thereof described in the present disclosure are based on a combination of a processor and a memory programmed to execute one or more functions and a processor configured by one or more hardware logic circuits. It may be realized by one or more configured dedicated computers.
  • the computer program may be stored in a computer-readable non-transition tangible recording medium as instructions executed by the computer.
  • the present disclosure is not limited to the above embodiment, and can be implemented in various forms without departing from the gist thereof.
  • the inlet port or the outlet port is connected to the internal combustion engine of the vehicle via a hose or the like.
  • the seal between the inlet port or the outlet port and the internal combustion engine depends on the arrangement of the fastening portion between the valve device and the internal combustion engine. The cooling performance may be reduced and the cooling water may leak outside.
  • An object of the present disclosure is to provide a valve device that can suppress leakage of cooling water from a vehicle heating element.
  • a first aspect of the present disclosure is a valve device that can control cooling water of a heating element of a vehicle, and includes a housing and a valve.
  • the housing body is fixed to the heating element by a fastening member that passes through the fastening hole and is screwed to the heating element.
  • At least three fastening holes are formed.
  • the port opening is formed inside a triangle formed by connecting three fastening holes.
  • the seal member when a seal member made of an annular elastic member is provided around the port, the seal member can be compressed with a good balance when the housing body is fixed to the heating element by the fastening member passing through the three fastening holes. Thereby, the sealing performance around the port can be effectively secured.
  • a 2nd mode of this indication is a valve device which can control cooling water of a heating element of vehicles, and is provided with a housing, a valve, a partition part, and a drive part.
  • the housing body is fixed to the heating element by a fastening member that passes through the fastening hole and is screwed to the heating element.
  • the fastening hole includes a first fastening hole formed radially outside the opening of the port, a second fastening hole formed so as to sandwich the opening of the port between the first fastening hole, and the first fastening hole and the first fastening hole. 3rd fastening hole formed in the drive part side with respect to 2 fastening holes is included.
  • the seal member when a seal member made of an annular elastic member is provided around the port, the seal member can be compressed in a balanced manner when the housing body is fixed to the heating element by the fastening member passing through the first fastening hole and the second fastening hole. . Thereby, the sealing performance around the port can be effectively secured.
  • the fastening part is fixed to the heating element by the fastening member passing through the third fastening hole, so that the influence of the vibration of the heating element on the driving part can be suppressed.
  • a valve device in which the center of the opening of the port is located on a straight line connecting the first fastening hole and the second fastening hole.
  • a valve device in which a distance between the third fastening hole and the drive unit is shorter than a distance between the third fastening hole and the center of the opening of the port.
  • the valve device is formed such that the third fastening hole is positioned on the drive unit 70 side with respect to a virtual plane passing through the center of the outlet port 223 and orthogonal to the rotation axis Axr1.
  • the first fastening hole and the second fastening hole that are point-symmetric with respect to the center of the port opening are perpendicular to the port opening surface, and a straight line passing through the center of the port opening serves as the rotation axis.
  • a valve device configured to pass through.
  • the first positioning part and the second positioning part are a second straight line connecting the first positioning part and the second positioning part with respect to a first straight line connecting the first fastening hole and the second fastening hole.
  • a valve device in which a plurality of the mounting surface recesses are formed and an inter-recess rib is formed between the plurality of mounting surface recesses.
  • the housing body is a valve device formed of polyphenylene sulfide resin containing a filler.
  • An annular seal member provided between the housing opening and the partition, and capable of maintaining a liquid-tight relationship between the housing opening and the partition;
  • the housing opening has an inner wall formed in a cylindrical shape
  • the partition wall has a partition wall body that is located inside the housing opening and has an outer wall formed in a cylindrical shape.
  • the annular seal member is provided between the housing opening and the partition wall body, A valve device in which a difference between an inner diameter of the housing opening and an outer diameter of the partition wall body is smaller than a difference between an inner diameter and an outer diameter of the annular seal member in a free state.
  • a valve device in which an axial clearance is formed in at least one of the housing main body and the partition wall in the axial direction of the annular seal member.
  • the valve body has an inner peripheral wall in a range corresponding to at least the seal opening in the rotation axis direction and the circumferential direction when all the seal openings are closed by the outer peripheral wall of the valve body. Valve device with the same distance from the outer peripheral wall.
  • the first restriction convex portion is a valve device formed at a position away from the second restriction convex portion.
  • a valve device in which a distance between the first restricting convex portion and the rotating shaft is the same as a distance between the second restricting convex portion and the rotating shaft.
  • the valve body opening rib is a valve device formed in an arc shape with a predetermined distance from the virtual spherical surface.
  • the specific shape portion is a valve device formed so that an outer wall protrudes outward from an outer peripheral wall of the tubular portion.
  • the specific shape portion is a valve device in which an outer wall is formed to be recessed inward from an outer peripheral wall of the cylindrical portion.
  • the specific shape portion is a valve device in which an outer wall is formed in a flat shape.
  • a drive unit capable of rotationally driving the valve body via one end of the shaft;
  • the valve is provided so that the second outermost end surface faces the drive unit side,
  • the valve device has an area of the second outermost end surface larger than an area of the first outermost end surface.
  • the first mold has a first outer mold formed with a first concave surface corresponding to the shape of the outer peripheral wall of the first divided body, and a first convex surface corresponding to the shape of the inner peripheral wall of the first divided body. Having a first inner mold formed;
  • the second mold has a second outer mold formed with a second concave surface corresponding to the shape of the outer peripheral wall of the second divided body, and a second convex surface corresponding to the shape of the inner peripheral wall of the second divided body.
  • the outer mold has a concave surface corresponding to the shape of the outer peripheral wall of the valve body
  • the inner mold has a convex surface corresponding to the shape of the inner peripheral wall of the valve body
  • a plurality of the cover fixing portions are formed,
  • the plurality of cover fixing portions are valve devices positioned on a virtual plane perpendicular to the mounting surface.
  • the partition wall is formed separately from the housing body,
  • the housing body has a notch portion that exposes the partition wall at an end opposite to the mounting surface.
  • the said connector part is a valve apparatus currently formed so that it may protrude in directions other than the direction perpendicular
  • the said connector part is a valve apparatus currently formed so that it may protrude in the direction parallel to the said attachment surface from the outer edge part of the said cover main body.
  • a valve device comprising an annular seal member provided between the housing opening and the partition wall and capable of maintaining a liquid-tight space between the housing opening and the partition wall.
  • the partition wall through-hole is a valve device formed so that a cross-sectional shape is an oval or a rectangle.
  • the housing through-hole is a valve device formed so that a cross-sectional shape is an oval or a rectangle.
  • the partition wall through-hole and the housing through-hole are valve devices formed coaxially.
  • the partition wall through hole is formed such that a cross-sectional area thereof gradually increases from the radially outer side to the radially inner side of the shaft insertion hole.
  • a valve device (10) capable of controlling cooling water of a heating element (2) of a vehicle (1), An inner space (200) formed inside, a housing (20) having ports (220, 221, 222, 223) connecting the inner space and the outside; A valve body (31) provided in the internal space so as to be rotatable around a rotation axis (Axr1), and a valve (30) capable of opening and closing the port according to a rotational position of the valve body;
  • a valve device comprising:
  • constituent elements other than the constituent elements shown in the minimum basic configuration are not essential elements of each embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve Housings (AREA)

Abstract

Un couvercle d'unité d'entraînement (80) comporte ; un corps principal de couvercle (81) qui est disposé sur le côté en regard d'une section paroi de séparation (60) par rapport à un espace interne (200) et forme un espace d'unité d'entraînement (800) avec la section paroi de séparation (60) ; des parties fixation de couvercle (821-826) formées en tant que parties différentes du corps principal de couvercle (81) de façon à faire saillie depuis une paroi externe du corps principal de couvercle (81) ; et des trous de fixation de couvercle ménagés dans les parties fixation de couvercle (821-826). Des parties fixation de couvercle côté boîtier (291-296) comprennent : une section base de fixation de couvercle (298) faisant saillie à partir d'une paroi externe d'un corps principal de boîtier (21) ; et une section saillante de fixation de couvercle (299) faisant saillie à partir de la section base de fixation de couvercle (298) vers les parties fixation de couvercle (821-826) et fixée aux parties fixation de couvercle (821-826). Au moins une partie d'un élément tuyau (50) est positionnée sur le côté opposé de la section base de fixation de couvercle (298) à partir de la section saillante de fixation de couvercle (299).
PCT/JP2019/021307 2018-05-31 2019-05-29 Système de soupape Ceased WO2019230800A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2018105523 2018-05-31
JP2018-105523 2018-05-31
JP2018-233807 2018-12-13
JP2018233807A JP7099294B2 (ja) 2018-05-31 2018-12-13 バルブ装置

Publications (1)

Publication Number Publication Date
WO2019230800A1 true WO2019230800A1 (fr) 2019-12-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/021307 Ceased WO2019230800A1 (fr) 2018-05-31 2019-05-29 Système de soupape

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Country Link
WO (1) WO2019230800A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018061892A1 (fr) * 2016-09-27 2018-04-05 株式会社デンソー Dispositif de vanne
JP2018071779A (ja) * 2016-10-27 2018-05-10 株式会社山田製作所 制御バルブ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018061892A1 (fr) * 2016-09-27 2018-04-05 株式会社デンソー Dispositif de vanne
JP2018071779A (ja) * 2016-10-27 2018-05-10 株式会社山田製作所 制御バルブ

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