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CN1327123A - Fuel oil pump assembly - Google Patents

Fuel oil pump assembly Download PDF

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Publication number
CN1327123A
CN1327123A CN 01120819 CN01120819A CN1327123A CN 1327123 A CN1327123 A CN 1327123A CN 01120819 CN01120819 CN 01120819 CN 01120819 A CN01120819 A CN 01120819A CN 1327123 A CN1327123 A CN 1327123A
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CN
China
Prior art keywords
fuel
filter
cover
fuel pump
pump assembly
Prior art date
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Granted
Application number
CN 01120819
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Chinese (zh)
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CN1298989C (en
Inventor
成嶋雅彦
森信也
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Mitsuba Corp
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Mitsuba Electric Manufacturing Co Ltd
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Application filed by Mitsuba Electric Manufacturing Co Ltd filed Critical Mitsuba Electric Manufacturing Co Ltd
Publication of CN1327123A publication Critical patent/CN1327123A/en
Application granted granted Critical
Publication of CN1298989C publication Critical patent/CN1298989C/en
Anticipated expiration legal-status Critical
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M37/00Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatus; Arrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
    • F02M37/04Feeding by means of driven pumps
    • F02M37/08Feeding by means of driven pumps electrically driven
    • F02M37/10Feeding by means of driven pumps electrically driven submerged in fuel, e.g. in reservoir
    • F02M37/103Mounting pumps on fuel tanks

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

一种燃油泵组件,其具有形成在下壳体的内表面上的燃油池、把贮存在燃油池内的燃油引导至发动机的燃油通道、保持在下壳体内并且调节流经燃油通道的燃油的压力的压力调节器、和盖在下壳体上的上壳体,该燃油泵组件包括:设置在下壳体内并且在燃油池内的安装部和设置在上壳体内从上壳体延伸的按压部,按压部对应于安装部,其中,压力调节器夹设在安装部和按压部之间。该燃油泵组件的零件数目少,不容易受到车辆振动的影响,组装容易。

A fuel pump assembly having a fuel pool formed on an inner surface of a lower case, a fuel passage for guiding fuel stored in the fuel pool to an engine, being held in the lower case and regulating the pressure of fuel flowing through the fuel passage A regulator, and an upper case covered on the lower case, the fuel pump assembly includes: a mounting part arranged in the lower case and in the fuel pool, and a pressing part arranged in the upper case and extending from the upper case, the pressing part corresponds to The installation part, wherein the pressure regulator is sandwiched between the installation part and the pressing part. The fuel pump assembly has few parts, is not easily affected by vehicle vibration, and is easy to assemble.

Description

Fuel oil pump assembly
The present invention be more particularly directed to the fuel oil pump assembly that in automobile etc., adopts.
Traditional fuel oil pump assembly is included in fuel oil pond that lower shell body forms, be fixed on the pressure regulator in the lower shell body and cover upper shell on lower shell body.Pressure regulator keeps by a connecting element and is fixed in the lower shell body, fuel oil pond and pressure regulator interconnect by this connecting element, like this, the flow through pressure of the fuel oil in the pipe of fuel oil pump assembly can be adjusted to constant level by pressure regulator.Pressure regulator not only is fixed on the lower shell body, also is fixed on filter (filter cleaner) and the fuel oil pond.
In addition, fuel pump and filter etc. are all kept by the upper shell that will cover on lower shell body, unite lid and are installed on the upper shell, so that an end of fuel pump is connected with an end of filter.Therefore, being arranged on the fuel gallery of uniting in the lid is connected with the inlet of fuel oil delivery side of pump and filter.
On the one hand, for example Japanese patent application No.11-264356 discloses a kind of electric pump device in addition.This electric pump device comprises that one is arranged on the composite connecting device at fuel pump place, this composite connecting device forms discharge tube, connector and the fuel pipe that is connected with discharge tube integratedly, and corresponding connector forms with the fuel pipe that is connected on the connector integratedly.
Yet in aforesaid prior art, because pressure regulator is fixed in the lower shell body by a connecting element, the number that constitutes the part of fuel oil pump assembly has increased.In addition, because pressure regulator is only fixed by connecting element, the vibration that is caused by powered vehicle influences pressure regulator easily.Therefore, have such shortcoming, in the vehicle driving process,, thereby produce noise (improper noise) because vibration causes pressure regulator to contact with lower shell body.
In addition, covering in the process that is installed on the upper shell uniting, needing the location of fuel gallery outlet and inlet and unite the location of lid with respect to upper shell, like this, upper shell has just reduced with the assembly operation of uniting lid.
In addition, in aforesaid prior art, because fuel pump is further microminiaturized, it is microminiaturized that composite connecting device is also correspondingly wanted.Therefore, corresponding to the connector of composite connecting device, corresponding connector also needs microminiaturization.As mentioned above, by the microminiaturization of connector and corresponding connector, it is difficult that the manufacturing of two connectors all becomes, installation and a lot of times of electric connection action need and effort that two connectors are connected.
In addition, because the layout of fuel pump, the microminiaturization of connector and corresponding connector is conditional.Therefore, shortcoming is that fuel pump can not be microminiaturized to desirable size.
In addition, because fuel oil pump assembly diminishes, the part that constitutes fuel oil pump assembly also diminishes dimensionally, and like this, shortcoming is to keep the confining force of filter, pressure regulator, fuel pump etc. to reduce.
The purpose of this invention is to provide a kind of fuel oil pump assembly, wherein, the decreased number of part is not easy to be subjected to the influence of Vehicular vibration, and assembly operation also improves.
Another object of the present invention provides a kind of fuel oil pump assembly, even the fuel pump microminiaturization also can easily make connector be connected with corresponding connector.
Another object of the present invention provides a kind of fuel oil pump assembly, and it has at least one fuel pump of maintenance of improvement and the confining force of pressure regulator.
Fuel oil pump assembly according to the present invention has: the fuel oil pond, and it is formed on the internal surface of lower shell body; The fuel gallery, its fuel oil that is stored in the fuel oil pond guides to motor; Pressure regulator, it remains in the lower shell body, and regulates the pressure of the fuel oil of the fuel gallery of flowing through; And upper shell, it covers on lower shell body, and this fuel oil pump assembly comprises: assembly department, it is arranged in the lower shell body, and in the fuel oil pond; And the press part, it is arranged in the upper shell, extends from upper shell, and the press part is corresponding to assembly department, and wherein, pressure regulator is folded between assembly department and the press part.
According to the present invention, assembly department is arranged on the internal surface of lower shell body and in the fuel oil pond.Therefore, when upper shell covered on lower shell body, the pressure regulator folder was established and is fixed between assembly department and the press part.
In addition, according to fuel oil pump assembly of the present invention, be provided with accessory channel, this accessory channel makes assembly department be communicated with fuel gallery and filter, to purify fuel oil.
According to the present invention, accessory channel is arranged between assembly department and the fuel gallery, and between assembly department and the filter.Therefore, by pressure regulator is installed on the assembly department, pressure regulator just can automatically be connected with filter with the fuel gallery by accessory channel.
In addition, according to fuel oil pump assembly of the present invention, come free assembly department and press part to keep being back to the fuel oil pond with the fuel oil that returns of fixed pressure regulator.
According to the present invention, be back to the fuel oil pond from the fuel oil that returns of pressure regulator, therefore, this fuel oil pond can prevent to be contained in fuel emission in the fuel oil pond to the outside in fuel oil pond.
In addition, according to fuel oil pump assembly of the present invention, be provided with accessory channel, this accessory channel makes assembly department be communicated with fuel gallery and filter, to purify fuel oil.Come free assembly department and press part to keep being back to the fuel oil pond with the fuel oil that returns of fixed pressure regulator.
According to the present invention, accessory channel is arranged between assembly department and the fuel gallery, and between assembly department and the filter.Therefore, by pressure regulator is installed on the assembly department, pressure regulator just automatically is connected with filter with the fuel gallery.The fuel oil that returns from pressure regulator is back to the fuel oil pond, and therefore, this fuel oil pond can prevent to be contained in fuel emission in the fuel oil pond to the outside in fuel oil pond.Simultaneously, the fuel pressure that is transported to the fuel gallery is regulated by pressure regulator, if having excessive fuel oil in the pressure regulator, this excessive fuel oil is back to the fuel oil pond.
In addition, according to fuel oil pump assembly of the present invention, the direction of insertion that vertically is roughly parallel to pressure regulator insertion assembly department of pressure regulator.
According to the present invention, after upper shell covered on lower shell body, pressure regulator was established and is fixed between assembly department and the press part, the direction of insertion that vertically is roughly parallel to pressure regulator of pressure regulator with state folder like this.Therefore, pressure regulator be positioned at lower shell body and (or) space in the upper shell narrows down on the direction of insertion perpendicular to pressure regulator.
In addition, fuel oil pump assembly according to the present invention comprises: lid-equipment housing, and it is formed with uniting to cover by upper shell integratedly, unites lid a fuel pump that is kept by loam cake is connected with a filter end separately; With the pump bottom, an other end of its fuel pump is fixed on lid-equipment housing, and wherein, fuel pump all is connected with circulation passage with filter, and this circulation passage covers by fuel pump and filter all being pushed unite to be arranged on to unite in the lid.
According to the present invention, lid-equipment housing is formed with uniting to cover by upper shell integratedly.Therefore, by fuel pump and filter are all pushed in the associating lid, fuel pump all automatically is connected with the circulation passage of uniting lid with filter.
In addition, according to fuel oil pump assembly of the present invention, fuel pump has: pump case; The pump drive part, it is driven in pump case; With at least one terminal, it is arranged in the pump case, begins to extend from pump case, provides power supply to the pump drive part; Uniting lid comprises: the associating lid; Connector case, it is integrated with the associating lid; And terminal insertion hole, it is formed on the connector case, and terminal inserts in this terminal insertion hole; Form by fuel pump and filter all being connected to unite to cover and terminal inserted in the terminal insertion hole with the connector of corresponding connector electric connection.According to the present invention, the pump case of fuel pump has at least one terminal that extends from pump case.Connector case is integrated with the associating lid of uniting lid.Cover by fuel pump and filter all are connected to unite, fuel pump is connected by circulation passage with filter, and the terminal of pump case inserts in the connector case of associating lid.That is to say and connector that corresponding connector is connected constitutes by uniting lid and two parts of pump case.
Another fuel oil pump assembly according to the present invention has: lower shell body; Cover the upper shell on lower shell body; Remain on fuel pump and fuel oil-polishing filter in the lower shell body; With unite lid, its fuel pump and filter all remain on the upper shell, and both are linked to each other, wherein, fuel pump is driven with corresponding connector electric connection by making fuel pump, and this fuel oil pump assembly comprises: fuel pump, and it has pump case and driven pump drive part in pump case; At least one terminal, it is arranged on the pump case, begins to extend from pump case, provides power supply to the pump drive part; Connector case, it is integrated with the associating lid; And terminal insertion hole, it is formed on the connector case, and terminal inserts in this terminal insertion hole; Form by fuel pump and filter all being connected to unite to cover and terminal inserted in the terminal insertion hole with the connector of corresponding connector electric connection.According to the present invention, the pump case of fuel pump has at least one terminal that extends from pump case.Connector case is integrated with the associating lid of uniting lid.Cover by fuel pump and filter all are connected to unite, fuel pump is connected by circulation passage with filter, and the terminal of pump case inserts in the connector case of associating lid.That is to say and connector that corresponding connector is connected constitutes by uniting lid and two parts of pump case.
In addition, according to another fuel oil pump assembly of the present invention, connector case has the another one attachment portion, and its attachment portion interior with being arranged on corresponding connector is connected.Therefore, because this connector case has the another one attachment portion that is connected with the attachment portion of corresponding connector, by corresponding connector is inserted in the connector case, this another one attachment portion just automatically is connected with this attachment portion.
In addition, another fuel oil pump assembly according to the present invention comprises hook-shaped lead retaining part, and it forms with the outer surface of uniting lid integratedly.Therefore, because hook-shaped lead retaining part forms with the outer surface of uniting lid integratedly, wiring harness can not be separated from each other, and is held in a branch of.
In addition, according to another fuel oil pump assembly of the present invention, filter has purification portion and divides and filter hood, purify part and be used to purify fuel oil, and filter hood is covered with the outer surface that purifies part; Filter hood is made of metal.Therefore, because filter has the metal filter hood that the outer surface that purifies part is divided and be covered with to purification portion, filter can keep and be fixed on the lower shell body securely.
Another fuel oil pump assembly according to the present invention has: lower shell body; Cover the upper shell on lower shell body; Be positioned at the fuel pump of lower shell body; Purify the filter of fuel oil; With the pressure regulator that is used to regulate fuel pressure, this fuel oil pump assembly comprises: filter, and it has the purification part that is used to purify fuel oil and by the filter hood made from the lower shell body same material that is covered with the outer surface that purifies part; Filter hood is divided into first cover and second cover, and first cover is integrated with lower shell body, and second cover is separated with lower shell body, wherein, after the purification part was inserted first cover, second cover was welded on first cover, and at least one fuel pump and pressure regulator remain in the upper shell.According to the present invention, the filter hood of filter is by making with the lower shell body identical materials, filter hood is divided into and integrated first cover of lower shell body and second cover that is separated with lower shell body, is purifying after part inserts first cover, and first cover and second covers and welds together.Therefore, filter is stable in lower shell body.
Another fuel oil pump assembly according to the present invention has: lower shell body; Cover the upper shell on lower shell body; Be positioned at the fuel pump of lower shell body; Purify the filter of fuel oil; With the pressure regulator that is used to regulate fuel pressure, this fuel oil pump assembly comprises: filter, and it has the filter hood that is used to purify the purification part of fuel oil and is covered with the outer surface that purifies part; Filter hood, it is divided into two parts, and like this, first cover is integrated with lower shell body, and second cover is separated with lower shell body; An attachment portion, it forms in the face of on first second end of covering of covering; With the another one attachment portion, it forms in the face of on second first end of covering of covering, wherein, and after the purification part is inserted first cover, the attachment portion is connected with another one joint bulk-breaking by a seal element, and at least one fuel pump and pressure regulator remain in the upper shell.According to the present invention, the filter hood of filter is by making with the lower shell body identical materials, and filter hood is divided into and integrated first cover of lower shell body and second cover that is separated with lower shell body.The attachment portion is arranged on the end of second cover of first cover, and the another one attachment portion forms on the end of first cover of facing second cover.By the attachment portion is connected with another one joint bulk-breaking, first cover is connected by seal element with second cover.That is to say that first cover and second cover just are fixed by an operating of contacts.
In addition, according to another fuel oil pump assembly of the present invention, the integrated form of the upper shell and second cover can prevent that at least one fuel pump and pressure regulator and lower shell body are separated.According to the present invention, the loam cake of keep-up pressure regulator and fuel pump and second cover are integrated.Therefore, when second cover was assembled on first cover, upper shell automatically covered on lower shell body.Therefore, can prevent that at least one fuel pump and pressure regulator and lower shell body are separated.
Fig. 1 is the cross-sectional view according to first embodiment of fuel oil pump assembly of the present invention.
Fig. 2 is the front elevation of lower shell body as shown in Figure 1.
Fig. 3 is the view of seeing along the arrow directions X of Fig. 1.
Fig. 4 unites cover the phase diagram that covers on as shown in Figure 3.
Fig. 5 is the cross-sectional view along the Y-Y line of Fig. 4.
Fig. 6 is the side view that as shown in Figure 4 fuel oil pump assembly is installed in the state in the fuel oil pond.
Fig. 7 is the schematic representation of the fuel oil stream in the fuel oil pump assembly that is contained in as shown in Figure 6.
Fig. 8 is the perspective exploded view according to second embodiment of fuel oil pump assembly of the present invention.
Fig. 9 is the perspective exploded view according to the 3rd embodiment of fuel oil pump assembly of the present invention.
Figure 10 is the cross-sectional view of the essence of Fig. 9.
Figure 11 is the planimetric map of uniting lid of Fig. 9.
Figure 12 is the cross-sectional view of an essence, shows a state that connector is connected with a corresponding connector as shown in figure 10.
Figure 13 shows assembling-finishing stage of Fig. 9, and this state is observed from the top.
Figure 14 shows the cross-sectional view according to the 4th embodiment's of fuel oil pump assembly of the present invention essence.
Figure 15 shows the cross-sectional view according to the 5th embodiment's of fuel oil pump assembly of the present invention essence.
Figure 16 is the cross section enlarged view of connecting element as shown in figure 15.
Figure 17 shows the cross-sectional view according to the 6th embodiment's of fuel oil pump assembly of the present invention essence.
Below in conjunction with accompanying drawing embodiments of the invention are described.
Fig. 1-7 shows first embodiment according to fuel oil pump assembly of the present invention.
As shown in Figure 1, this fuel oil pump assembly 1 comprises: the assembly department 3 of lower shell body 2, the press part 5 of upper shell 4, be arranged on the accessory channel 7 between fuel gallery 6 and the assembly department 3 and be folded in assembly department 3 and press part 5 between pressure regulator 8.
As illustrated in fig. 1 and 2, lower shell body 2 is made by synthetic resin, and comprises diapire 11, integrated the fuel gallery 6 that is arranged on the perisporium 12 on diapire 11 peripheries and passes diapire 11 with the right angle.Lower shell body 2 is used to store the fuel oil pond 13 of fuel oil.Also can be formed in lower shell body 2, storing the another one fuel oil pond (not shown) of fuel oil separately, and not the fuel oil pond 13 of lower shell body 2 as the storage fuel oil.
Diapire 11 is provided with the fuel gallery 6 of passing diapire 11 with the right angle.One end of fuel gallery 6 is connected to filter assembly department 14.An other end of fuel gallery 6 stretches out from diapire 11, exports 15 to form, thereby fuel oil is guided to the motor (not shown).Like this, on diapire 11, be provided with assembly department 3, filter assembly department 14 and thermistor assembly department (not shown) respectively integratedly.Pressure regulator 8, filter 9 and thermistor 10 are installed in respectively on assembly department 3, filter assembly department 14 and the thermistor assembly department.In addition, reference character 27 expression O shape circles.
Accessory channel 7 is arranged between fuel gallery 6 and the assembly department 3.Therefore, only by pressure regulator 8 is installed on the assembly department 3, just can pressure regulator 8 automatically be communicated with fuel gallery 6 and filter 9 by accessory channel 7.In this embodiment, accessory channel 7 is with respect to the roughly rectangular state in fuel gallery 6, and however, the position of accessory channel 7 is not limited to this right angle state roughly.
As shown in figs. 1 and 3, upper shell 4 is made by synthetic resin, covers the top in fuel oil pond 13.The press part 5 that upper shell 4 has upper wall 21, be arranged on the perisporium 22 that forms on the periphery of upper wall 21 downwards and extend from the internal surface of upper wall 21.On upper wall 21, be respectively equipped with pump hole 23, filter hole 24, thermistor hole 25 and regulator hole 29.Protective tube 26 (see figure 8)s form downwards continuously, form integratedly, extend downwards with the periphery from pump hole 23.Pump hole 23, filter hole 24, thermistor hole 25 are keeping fuel pump 19, filter 9 and thermistor 10 respectively.Thermistor 10 is used for the trapped fuel alarm sensor in fuel oil pond 13.
As shown in Figure 1, pressure regulator 8 is used for the pressure of control flows fuel oil of 6 through the fuel gallery.More particularly, pressure regulator 8 comprises cylindrical-shaped main body 31, is arranged on first insertion part 32 of main body 31 1 ends (lower end) and is arranged on second insertion part 33 of the continuous formation of main body 31 other ends (upper end).The outer surface of main body 31 other one has flange 34 around distolateral at this.Insert respectively in the press part 5 of the assembly department 3 in (being installed in) fuel oil pond 13 and upper wall 21 first insertion part 32 and second insertion part 33.In addition, reference character 28 expression O shape circles.
Like this, pressure regulator 8 clampings and be fixed on assembly department 3 and press part 5 between, portion 5 pushes downwards thereby flange 34 is pressed.Therefore, pressure regulator 8 (Vertical direction) regulator 8 that keep-ups pressure securely along the vertical direction.
After pressure regulator 8 was held and fixes, the return passage 35 of main body 31 just was arranged in the fuel oil pond 13.Therefore, the flow through pressure and the fuel pipe 18 of fuel oil of fuel gallery 6 just all can be regulated by pressure regulator 8.That is to say that excessive fuel oil returns in the fuel oil pond 13 as mentioned above.Therefore, the fuel oil in the fuel oil pond 13 can use with avoiding waste, has also therefore realized that stable fuel oil provides.
In addition, pressure regulator 8 position that is held and fixes is roughly parallel to the direction of insertion (P direction) that pressure regulator 8 inserts assembly departments 3.That is to say, the axial direction of main body 31 (corresponding in claims vertically) be roughly parallel to the direction of insertion (P direction) that pressure regulator 8 inserts assembly departments 3.
Shown in Figure 4 and 5, after fuel pump 19 and filter 9 are positioned in the lower shell body 2, unite and cover 41 tops of covering at fuel pump 19 and filter 9.Fuel pump 19 and unite the connection utilization of covering between 41 and realize like this makes to be arranged on fuel pump 19 and filter 9 convex portion on one of them and to match with recessed portion on being arranged on fuel pump 19 and filter 9 another ones.In addition, filter 9 and unite the connection of covering between 41 and also can realize in the same way.Fuel pump 19 and filter 9 be connected to unite the element that covers on 41 and be not limited to above-mentioned element.
Be provided with circulation passage 42 in 41 uniting to cover.Circulation passage 42 has straight passage 43 and one-way valve 46, and straight passage 43 cover vertical formation of 41 along uniting, and it is crossing that pump channel 44 and straight passage 45 are all shown the middle part of right angle and straight passage 43 greatly; And one-way valve 46 is arranged on an end of straight passage 43.An other end of straight passage 43 has the end of sealing.Fuel pump 19 and filter 9 are mounted to pump channel 44 and straight passage 45 respectively.Therefore, fuel pump 19 and filter 9 are interconnected by circulation passage 42.In addition, when killing engine and also stopping from the compression transportation of the fuel oil of fuel pump 19, one-way valve 46 is closed rapidly, so that keep constant compression force between fuel pump and the motor.In addition, reference character 47,48 and 49 is all represented O shape circle.
As shown in Figure 6, fuel oil pump assembly 1 is the form that is built in fuel tank, and is installed in the fuel tank 50 of vehicle etc., as a kind of drop tank of fuel tank 50.More particularly, this drop tank is the temporary transient fuel oil of storing in fuel tank 50, providing fuel oil from fuel tank 50 to motor reposefully by fuel oil pump assembly 1, even vehicle etc. exercising on the sloping road or (with) under the situation of shake such as vehicle, also be like this.
Explained later provides the process of fuel oil to motor from fuel tank 50 by fuel oil pump assembly 1.
Shown in Fig. 6 and 7, when fuel oil pump assembly 1 was installed in the fuel tank 50 of vehicle etc., fuel oil was by being arranged on the fuel oil pond 13 that fuel fillers 17 in the lower shell body 2 flow into fuel oil pump assemblies 1.Fuel oil in the fuel oil pond 13 is inhaled into fuel pump 19 by pump strainer 20 (see figure 8)s, thereby by circulation passage 42 inflow filters 9.Because accessory channel 7 is connected with fuel gallery 6, from the fuel oil of filter 9 in the fuel gallery 6 middle part fork, flow into and export 15, also from accessory channel 7 feed pressure regulators 8.
The fuel oil that moves straight from filter 9 by fuel gallery 6 flows into the outlet 15 on the outer surface that is arranged on lower shell body 2 integratedly.Since the fuel pipe 18 that leads to motor with export 15 and be connected, offer motor by fuel pipe 18 from exporting 15 from the fuel oil of filter 9.
Flow into the fuel oil feed pressure regulator 8 of accessory channel 7 one sides from filter 9.Because the fuel pressure in fuel gallery 6 and the pressure regulator 8 can be regulated by pressure regulator 8, therefore, fuel pressure can keep constant.Therefore, as an example, from the pressure-feed fuel amount of fuel pump more than the fuel oil that in motor, sprays because the fuel pressure of flow through fuel gallery 6 and fuel pipe 18 increases, the fuel oil of discharging is just excessive.Then, excessive fuel oil returns fuel oil pond 13 from pressure regulator 8, thereby the fuel pressure in fuel pipe 18 and the fuel gallery 6 keeps constant.
The installation method of explained later pressure regulator 8.
As shown in Figure 1, insert in the assembly department 3 of (being installed in) lower shell body 2 first insertion part 32 of pressure regulator 8, and temporarily be fixed on here.As shown in Figure 1, upper shell 4 covers in such a manner on lower shell body 2, makes second insertion part 33 of the press part 5 of upper shell 4 facing to pressure regulator 8.After covering, second insertion part 33 is pressed against in the press part 5.Simultaneously, the flange 34 of press part 5 downward press pressure regulators 8.That is to say that pressure regulator 85 is pushed from the press part by flange 34 downwards.Therefore, even vibration waits and is passed to fuel oil pump assembly 1 in the running of vehicle etc., also can make the vertical vibration that is passed on the pressure regulator 8 and (or) horizontal vibration minimizes.Therefore, compare with traditional structure, the fixed structure of pressure regulator 8 has obtained reinforcement in vibration.
Clamping and be fixed on upper shell 4 and lower shell body 2 between pressure regulator 8 remain on the above-below direction (Vertical direction).Under such state, because the assembly department 3 of lower shell body 2 does not contact flange 34, the return passage 35 of pressure regulator 8 just is exposed between flange 34 and the assembly department 3.In addition, because accessory channel 7 is arranged between assembly department 3 and the fuel gallery 6, after being held and becoming reconciled, pressure regulator 8 just automatically is connected with fuel gallery 6.Correspondingly, assembly department 3 has the function of the regulator 8 that keep-ups pressure and the function that pressure regulator 8 is connected with fuel gallery 6.Therefore, compare, can reduce the quantity of the part that constitutes fuel oil pump assembly 1, and can realize the miniaturization of fuel oil pump assembly with traditional fuel oil pump assembly.
Fig. 8 shows second embodiment according to fuel oil pump assembly 1 ' of the present invention.Represent by identical reference character that with components identical among first embodiment its corresponding explanation will be omitted.
This fuel oil pump assembly 1 ' comprises lid-equipment housing 53 and pump bottom 54, lid-equipment housing 53 is by upper shell 4 and unite and cover 41 and form integratedly, being installed on this fuel oil pump assembly 1 ', and pump bottom 5 is used for fuel pump 19 is fixed on lid-equipment housing 53.
Shown in Fig. 3 and 8, upper shell 4 is keeping fuel pump 19, filter 9, pressure regulator 8 and thermistor 10.Unite and cover 41 and form integratedly, to cover fuel pump 19 and filter 9 end separately.On the upper wall 21 of upper shell 4, be respectively equipped with pump hole 23, filter hole 24, regulator hole 29 and thermistor hole 25 (see figure 3)s.Other end at protective tube 26 is provided with joint 26a, so that pump bottom 54 is connected with protective tube 26.
On the other hand, pump bottom 54 has roughly disk-shaped lid 55.Lid 55 has slotted hole 55a and the another one joint 55b that forms in the middle, and this another one joint 55b is arranged on the periphery of lid 55 integratedly, to be connected with joint 26a.Pump strainer 20 is removably mounted on an other end of fuel pump 19 by pump bottom 54.Slotted hole 55a can be a breach.
The following describes fuel pump 19 is installed in method on lid-equipment housing 53.
An other end of fuel pump 19 inserts the pump hole 23 from the other end of protective cover 26, and the outlet 19a of fuel pump 19 is pressed against to unite and covers in 41 the pump channel 44.Simultaneously, only be connected, do not cover 41 (pump channels 44) location (see figure 5) with respect to uniting and do not need to make fuel pump 19 (outlet 19a) by fuel pump 19 being inserted lid-equipment housing 53, just can automatically making in outlet 19a and the pump channel 44.
Then, pump bottom 54 inserts an other end of protective tube 26.Be connected with the another one joint 55b of pump bottom 54 by the joint 26a that makes protective tube 26, can easily be fixed on lid-equipment housing 53 to fuel pump 19, do not cover 41 with respect to upper shell 4 location and do not need to make to unite.In addition, pump strainer 20 is removably mounted on an other end of fuel pump 19 by the slotted hole 55a of pump bottom 54.In addition, be provided with at pump bottom 54 under the situation of breach rather than slotted hole 55a, fuel oil pump assembly 1 ' has the ability of better opposing vibration, and does not need removably to be provided with pump strainer 20.
As for filter 9, mode much at one, only, filter passage 45 and inlet 9a are connected reliably, and do not need to make the inlet 9a of filter 9 with respect to filter passage 45 location (see figure 5)s by filter 9 being pressed into the filter hole 243 of lid-equipment housing 53.
Like this,, in assembly manipulation, can save accurate in locating and operate, thereby improve the assembly manipulation of fuel oil pump assembly 1 ' by by upper shell 4 with unite and cover 41 and form lid-equipment housing 53 integratedly.In addition, because pump bottom 54 has simple shape, the shape of the mould that adopts in casting process can be simplified.Therefore, can realize producing at low cost fuel oil pump assembly 1 '.Because upper shell 4 and unite and cover 41 and form integratedly, in fuel oil pump assembly 1 ', between fuel pump 19 and the circulation passage 42 and the connection between filter 9 circulation passages 42 can therefore, can not obtain the structure of more reliable fuel oil pump assembly 1 ' owing to the vibration of vehicle etc. is become flexible.
Fig. 9-13 shows the 3rd embodiment according to fuel oil pump assembly of the present invention.Fig. 9 shows the exploded view according to the fuel oil pump assembly of third embodiment of the invention.Figure 10 is the cross-sectional view of the essence of Fig. 9.Figure 11 is the planimetric map of uniting lid of Fig. 9.Figure 12 is the cross-sectional view of an essence, shows the state that a corresponding connector is connected with as shown in figure 10 connector.Figure 13 shows assembling-finishing stage of Fig. 9, and this state is observed from the top.Represent by identical reference character that with components identical among first and second embodiments its corresponding explanation will be omitted.
As shown in Figure 9, have such structure according to the fuel oil pump assembly 1A of third embodiment of the invention, the connector 61 that be connected with a corresponding connector 60 is by covering 41 and be connected on the fuel pump 19 and form uniting, to drive fuel pump 19.
More particularly, this fuel oil pump assembly 1A comprises two terminals 63 (show a terminal, the another one terminal is omitted in the accompanying drawings) on the pump case 62 that is arranged on fuel pump 19, is uniting the jack 65 (corresponding to the terminal hole in claims) that covers connector case 64 that forms on 41 and the corresponding connector that forms on connector case 64 integratedly.The jack 65 of corresponding connector not only allows the insertion of terminal 63, and allows the insertion of corresponding connector 60.In addition, the quantity of terminal can be selected.In addition,, a hole (not shown) can be set also, insert only to allow terminal 63 if connector case 64 has a sidewall (not shown) in fuel pump 19 1 sides.In addition, although terminal 63 is positive infix forms of outstanding shape in this embodiment, terminal 63 also can be cloudy infix form.
As shown in Figures 9 and 10, fuel pump 19 comprises: cylindrical shape pump case 62; The pump drive part does not illustrate, and is arranged in the pump case 62, and is driven; With terminal 63, its top from pump case 62 begins to extend.Pump case 62 is made by synthetic resin.Be provided with terminal insertion hole 62a on the top of pump case 62, terminal 63 passes terminal insertion hole 62a and extends to the outside from the inboard of pump case 62.One end of each terminal 63 (inboard of pump case 62) and pump drive part electric connection.An other end 63a (outside of pump case 62) and corresponding connector 60 electric connections.
Shown in Fig. 9 and 11, unite and cover 41 and have: associating lid 66, it is keeping fuel pump 19 and filter 9, and fuel pump 19 and filter 9 are connected; With connector case 64, it is formed on the associating lid 66 integratedly, and is positioned at fuel pump 19 1 sides.Connector case 64 comprises: the jack 65 of corresponding connector, and its size allows the insertion of corresponding connector 60, and passes associating lid 66 along the vertical direction; With the joint 67a of convex shape, it is arranged on the outside of the perisporium of associating lid 66.Unite when covering on 41 when fuel pump 19 is installed in, the terminal 63 of pump case 62 is initially located in plumbness from the jack 65 of corresponding connector.That is to say, have only terminal 63 to be arranged in the pump case 62, with corresponding to corresponding connector 60, have only connector case 64 to cover 41 and be provided with integratedly with uniting with vertical mode, therefore, the connector 61 that be connected on the corresponding connector 60 covers 41 be connected and form by fuel pump 19 with uniting.
As shown in figure 10, corresponding connector 60 comprises: connector case 60a; The terminal 60c that two leads connect (show the terminal that a lead connects, the terminal that the another one lead connects is omitted in the accompanying drawings), it is inserted and secured in the terminal receiving cavity 60b among the connector case 60a; One lock arm 60d, its projection is on the top of connector case 60a; One operation panel 60e, it is formed on the lock arm 60d integratedly; With the attachment portion 60f of another one hole shape, it is formed on the operation panel 60e.The terminal 60c that each lead connects has: terminal board 60g, and it is the cloudy infix form of fork shape; With a branch of lead 68, its end at terminal board 60g is bent.In terminal receiving cavity 60b, be provided with the link arm 60h that forms continuously with connector case 60a, and terminal board 60g is connected arm 60h and fixes, and is pressed towards the place ahead from the rear.Although terminal board 60g is positive infix form in this embodiment, also can be cloudy infix form.
Shown in Figure 10 and 12, when corresponding connector 60 inserted connector 61, operation panel 60e was driven by another one attachment portion 60f, and like this, joint 67a just is connected with another one attachment portion 60f.Simultaneously, the terminal 60c electric connection that is connected with lead in the corresponding connector 60 of the terminal 63 in the connector 61.
By adopting above-mentioned structure, because fuel oil pump assembly 1A diminishes, connector 61 and corresponding connector 60 also diminish respectively.Yet, if having only terminal 63 to be arranged in the pump case 62 and have only connector case 64 to cover 41 integratedly with uniting, can realize such connector size, it fully can be corresponding to the microminiaturization of fuel oil pump assembly 1A.
Reason is as follows.Owing to have only terminal 63 to be arranged in the pump case 62, compare with traditional fuel oil pump assembly, depend on that the fuel pump layout of the size of fuel pump 19 is difficult to be restricted.Simultaneously, since have only connector case 64 with unite cover 41 integrated, time and the work that can save formation connector 61, connector 61 has such size, compare with traditional fuel oil pump assembly, by of the microminiaturization of another method corresponding to fuel oil pump assembly 1A.In addition, since to be connected to connector 61 on the corresponding connector 60 can be easily only by fuel pump 62 is covered 41 and is connected and forms with uniting, therefore, compare with traditional fuel oil pump assembly, eliminated corresponding to the formation small terminal 63 of the microminiaturization of fuel oil pump assembly 1A and the trouble of connector case 64, thereby and also eliminated and terminal 63 is matched with connector case 64 make the trouble of electric connection between the small terminal.
In addition, in this embodiment, shown in Figure 11 and 13, the hook-shaped lead retaining part 69 that is used to keep wiring harness 68 covers 41 associating lid 66 and forms integratedly with uniting.The shape of lead retaining part 69 is not limited to hook-shaped, uniting of adopting in other embodiments covers 41 and also can be provided with lead retaining part 69.By such lead retaining part 69 is set, after having assembled fuel oil pump assembly 1A, can prevent that wiring harness 68 is lax mutually.Therefore,, do not need to adopt other element to remove to keep wiring harness 68, therefore, can reduce the quantity of the part of formation fuel oil pump assembly 1A because lead retaining part 69 cover 41 and forms with uniting integratedly.
Figure 14 shows the 4th embodiment according to fuel oil pump assembly of the present invention, is the cross-sectional view of the essence of fuel oil pump assembly.Represent by identical reference character that with components identical among first, second and the 3rd embodiment its corresponding explanation will be omitted.
As shown in figure 14, the fuel oil pump assembly 1B according to fourth embodiment of the invention comprises lower shell body 2, will cover at the upper shell on the lower shell body 2 70 and remains on fuel pump (not shown in Figure 14), filter 71 and pressure regulator 8 on the upper shell 70.Upper shell 4 (see figure 1)s according to first embodiment have fuel pump 19, filter 9 and pressure regulator 8, and according to the 4th embodiment's upper shell 70 regulator 8 that keep-ups pressure.Also can on upper shell, keep fuel pump 19 and pressure regulator 8.
Filter 71 has and purifies part 72 and filter hood 73, purify part 72 and be used to purify fuel oil, and filter hood 73 is by making with lower shell body 2 identical materials, and be covered with the outer surface of filter hood 73.Filter hood 73 is divided into filter hood 74 (corresponding to the cover of second in claims) and following filter hood 75 (corresponding to the cover of first in claims).Following filter hood 75 is by making with lower shell body 2 identical materials such as synthetic resin, and integrated with lower shell body 2.Last filter hood 74 is by making with lower shell body 2 identical materials such as synthetic resin, but is separated as lower shell body 2 with following filter hood 75.
Purify part 72 insert under after the filter hood 75, last filter hood 74 covers down filter hood 75, and the upper end portion 75a (corresponding to the end in claims) of underpart 74a of last filter hood 74 (corresponding to the end in claims) and following filter hood 75 for example can be connected by welding manner.Then, upper shell 70 is assembled on the lower shell body 2, is keeping pressure regulator 8 simultaneously.Similar with first embodiment, on the upper wall 70 ' of upper shell 70, be provided with regulator hole 29 and pump hole (not shown), and pressure regulator 8 and fuel pump remain on respectively in separately the hole 29.
Last filter hood 74 is provided with inlet 76, providing fuel oil from fuel pump, and enter the mouth 76 and fuel pump interconnect by the fuel pipe (not shown).Following filter hood 75 is provided with outlet 80, to discharge by purifying the fuel oil that part 72 purifies.Therefore, the fuel oil that is contained in the fuel tank is extracted out, 76 is provided and offer accessory channel 7 by purifying part 72 from exporting 80 from entering the mouth by fuel pump by fuel pipe by fuel pump.
Because filter hood 75 is integrated with lower shell body 2 down, for example, is similar to first embodiment's (see figure 1), compare with the situation in filter 9 remains on lower shell body 2, in following filter hood 75, can stably keep the purification part 72 of filter 71.In addition, remain on down in the filter hood 75 owing to purify part 72, last filter hood 74 is welded on down on the filter hood 75, after welding, can more stably keep filter 71, thereby has improved the hold facility that keeps filter 71.Therefore, the steady state of filter 71 can be synchronous with lower shell body 2.That is to say, when fuel oil pump assembly 1B is installed in vehicle etc. and goes up,, can make the steady state of the steady state of filter 71 corresponding to lower shell body 2 if having only the lower shell body 2 of fuel oil pump assembly 1B to be installed on the fuel tank to become stable.
Figure 15 and 16 shows the 5th embodiment according to fuel oil pump assembly of the present invention.Figure 15 is the cross-sectional view of the essence of fuel oil pump assembly.Figure 16 is the cross section enlarged view of connecting element as shown in figure 15.Represent by identical reference character that with components identical among first to fourth embodiment its corresponding explanation will be omitted.
As shown in figure 15, have such structure according to the fuel oil pump assembly 1C of fifth embodiment of the invention, the following filter hood 75 that is formed on the lower shell body 2 is connected by connecting element 77 with last filter hood 74 integratedly.Between last filter hood 74 and following filter hood 75, be folded with seal element 78, enclose as O shape.
Shown in Figure 15 and 16, connecting element 77 is such elements, and joint 75b is formed on down on the upper end portion 75a of filter hood 75, and the another one joint 75b that be connected with joint 75b is arranged on the underpart 74a of filter hood 74.For example, can adopt an element, upper end portion 75a of filter hood 75 is provided with connecting groove under it, is provided with the connection bump that will match with connecting groove on the 74a of the underpart of last filter hood 74.In addition, also can adopt the another one element, upper end portion 75a of filter hood 75 is provided with butt hook under it, is provided with the another one butt hook that will match with butt hook on the 74a of the underpart of last filter hood 74.In addition, connecting element 77 is not limited to above-mentioned example, but can change arbitrarily, can link together with following filter hood 75 as long as go up filter hood 74.
Under such structure, because last filter hood 74 can be realized being connected with following filter hood 75 by an operation, compare with the welding manner that adopts among the 4th embodiment, can improve assembly manipulation.
Figure 17 shows the 6th embodiment according to fuel oil pump assembly of the present invention, is the cross-sectional view of the essence of fuel oil pump assembly.Represent by identical reference character that with components identical among first to the 5th embodiment its corresponding explanation will be omitted.
As shown in figure 17, fuel oil pump assembly 1D according to sixth embodiment of the invention has such structure, upper shell assembly 81 forms by upper shell 70 and the last filter hood 74 that forms the 4th and the 5th embodiment integratedly, and upper shell assembly 81 is welded on down on the filter hood 75.Upper shell assembly 81 is made by the synthetic resin that is similar to down filter hood 75.
Since purify part 72 insert under after the filter hood 75 upper shell assembly 81 be welded on down on the filter hood 75, about the stability of filter 71, this embodiment and the 4th, the 5th embodiment are similar.In addition, according to the 6th embodiment, after upper shell assembly 81 was welded on the following filter hood 75, the pressure regulator 8 on the following filter hood 75 also can keep identical steady state with filter 71.That is to say, can improve the confining force that keeps following filter hood 75 and pressure regulator 8.In addition, also can keep fuel pump 19 together with the pressure regulator 8 in upper shell assembly 81.For this reason, make pressure regulator 8 break away from the required decomposition load of upper shell assembly 81 because the welding portion between upper shell assembly 81 and the following filter hood 75 can bear, so can prevent the separation of pressure regulator 8 reliably.Therefore, can improve and make pressure regulator 8 remain on confining force in the upper shell assembly 81.That is to say,,, also improved about the reliability of the intensity of fuel oil pump assembly 1D corresponding to this confining force because the confining force of pressure regulator 8 improved.
Much less, the present invention is not limited to the above embodiments, can modified in various manners, and can not exceed spirit of the present invention.
For example, can change the material of upper shell 4,70 and lower shell body 2 arbitrarily.Fuel pump 19 and pressure regulator 8 also can with have identical formation at the filter 71 described in the 4th to the 6th embodiment of the present invention.That is to say, can adopt such structure, fuel pump 19 is made of the pump drive part (not shown) in pump case 62 and the pump case 62, pump case 62 is divided into two parts, form a pump case that is decomposed and lower shell body 2 integratedly, after the pump drive part inserted a pump case, this pump case was connected with the another one pump case.
Similarly, can adopt such structure, pressure regulator 8 is made of the regulator body (not shown) in regulator shell (not shown) and the regulator shell, the regulator shell is divided into two parts, form a regulator that is decomposed and lower shell body integratedly, after regulator body inserted a regulator shell, this regulator shell was connected with another one regulator shell.
In addition, the 3rd embodiment has terminal attachment hole (not shown) and the plug-type corresponding connector 60 of sun that is arranged in the pump case 62.Then, corresponding connector 60 inserts in the terminal attachment holes, the positive plug in terminals of corresponding connector 60 and pump drive part electric connection with directly be connected, therefore, corresponding connector 60 and fuel pump 19 electric connections.
Although filter hood is divided into two parts in this embodiment, division numbers is not limited to this.
According to the present invention, because lower shell body is provided with assembly department, upper shell is provided with the press part of extending from it, by upper shell is covered on lower shell body, pressure regulator can clamping and be fixed on assembly department and the press part between.Therefore, compare, can reduce the number of the part that constitutes fuel oil pump assembly with traditional fuel oil assembly.In addition, after pressure regulator inserted assembly department, by upper shell is covered on lower shell body, pressure regulator can be easily and is fixed on reliably between upper shell and the lower shell body.In addition, because pressure regulator is pressed into a side of lower shell body by upper shell, can improves pressure regulator and remain on two confining forces between the housing.Therefore, the regulator that can keep-up pressure reliably, even can resist vibration that causes by powered vehicle etc.
In addition, by between assembly department and the fuel gallery and between assembly department and filter accessory channel being set, assembly department also can be used for the fuel gallery.Then, by pressure regulator is fixed on the assembly department, can pressure regulator be connected on the fuel gallery.Therefore, compare, can reduce the number of the part that constitutes fuel oil pump assembly with traditional fuel oil assembly.
In addition and since pressure regulator vertically be roughly parallel to the direction of insertion that pressure regulator inserts assembly department, can save pressure regulator is arranged on arrangement space in the lower shell body.Therefore, on direction, the arrangement space of pressure regulator is minimized perpendicular to direction of insertion.Therefore, compare, fuel oil pump assembly is minimized with traditional fuel oil assembly.
In addition, after upper shell is connected to lower shell body, by the return passage of pressure regulator is set, be back to the fuel oil pond in lower shell body from the fuel oil that returns of pressure regulator.Therefore, because the fuel oil pond is arranged in the fuel oil pump assembly, the fuel oil in the fuel oil pond is not easy to be expelled to the outside in fuel oil pond.That is to say that the fuel oil that is contained in the fuel oil pond can use with avoiding waste, thereby can realize stably providing fuel oil to motor.
In addition, form integratedly, can save of location and the attended operation of associating lid with respect to upper shell owing to uniting lid and upper shell.In addition, only, can automatically be connected fuel pump and filter with the circulation passage of uniting lid by fuel pump and filter are covered by being pressed in to unite.Therefore, can eliminate fuel pump and filter positioning action with respect to circulation passage.In addition, because fuel pump is fixed by the pump bottom, the fixing operation of fuel pump is carried out easily.In addition, owing to unite lid and upper shell forms integratedly, fuel pump and filter are not easy the vibration that causes owing to powered vehicle etc. and break away from circulation passage.Therefore, fuel oil pump assembly of the present invention can have more reliable structure.
According to another one invention,, can constitute the connector that will connect with corresponding connector by the pump case that constitutes fuel pump being provided with terminal, covering with uniting that lid forms connector case and fuel pump is assembled in to unite integratedly.Therefore, compare, need on fuel pump, not form connector with traditional fuel oil pump assembly.Therefore,, can easily realize the microminiaturization of connector, can not be subjected to by restriction according to the layout of fuel pump shape even also microminiaturized according to the microminiaturized fuel pump of fuel oil pump assembly.
In addition and since connector case with to unite lid integrated, can prevent connector and corresponding connector interconnect that connector case is damaged in the process, and connector case with unite under the separate situation of lid, undersized connector case just is damaged easily.Therefore, can be connected with each other connector and corresponding connector easily He reliably.
In addition, the microminiaturization of fuel oil pump assembly can improve fuel oil pump assembly is installed in flexibility on the fuel tank.
According to the another one invention, the filter hood of filter is divided into first cover and second cover, and first cover is formed on lower shell body integratedly, and second cover is separate with lower shell body.Therefore, after the purification part is inserted first cover, be connected, compare, can improve the stability of filter with traditional fuel oil pump assembly by making first cover and second cover.
In addition, cover on lower shell body and keeping pressure regulator upper shell and second the cover be formed together integratedly.By first cover is connected with second cover, can improve the hold facility that keeps at least one fuel pump and pressure regulator.That is to say, can avoid at least one fuel pump and pressure regulator to be separated from each other reliably.Therefore, can improve the reliability that remains on each part that adopts in the fuel oil pump assembly greatly.
In addition, because at least one fuel pump keeps by first cover and second being connected of cover with pressure regulator, in fuel oil pump assembly of the present invention, can not need other holding member.Therefore, the number that constitutes the part of fuel oil pump assembly can reduce, and manufacture cost also can reduce.

Claims (25)

1.一种燃油泵组件,其具有:燃油池,其形成在下壳体的内表面上;燃油通道,其把贮存在燃油池内的燃油引导至发动机;压力调节器,其保持在下壳体内,并且调节流经燃油通道的燃油的压力;和上壳体,其盖在下壳体上,该燃油泵组件包括:1. A fuel pump assembly having: a fuel pool formed on an inner surface of a lower housing; a fuel passage which guides fuel stored in the fuel pool to an engine; a pressure regulator held in the lower housing, and regulates the pressure of fuel flowing through the fuel passage; and the upper housing, which covers the lower housing, the fuel pump assembly includes: 安装部,其设置在下壳体内,并且在燃油池内;和a mounting portion disposed within the lower housing and within the fuel pool; and 按压部,其设置在上壳体内,从上壳体延伸,按压部对应于安装部,a pressing part, which is disposed in the upper case and extends from the upper case, the pressing part corresponds to the mounting part, 其中,压力调节器夹设在安装部和按压部之间。Wherein, the pressure regulator is sandwiched between the installation part and the pressing part. 2.如权利要求1所述的燃油泵组件,其中,设置了辅助通道,该辅助通道使安装部与燃油通道和过滤器连通,以净化燃油。2. The fuel pump assembly according to claim 1, wherein an auxiliary passage is provided, which communicates the installation part with the fuel passage and the filter to purify the fuel. 3.如权利要求1所述的燃油泵组件,其中,来自由安装部和按压部保持与固定的压力调节器的返回燃油返回至燃油池。3. The fuel pump assembly according to claim 1, wherein the return fuel from the pressure regulator held and fixed by the mounting portion and the pressing portion is returned to the fuel pool. 4.如权利要求1所述的燃油泵组件,其中,设置了辅助通道,该辅助通道使安装部与燃油通道和过滤器连通,以净化燃油;来自由安装部和按压部保持与固定的压力调节器的返回燃油返回至燃油池。4. The fuel pump assembly according to claim 1, wherein an auxiliary passage is provided, which communicates the installation part with the fuel passage and the filter to purify the fuel; from the pressure maintained and fixed by the installation part and the pressing part Return fuel from the regulator is returned to the fuel sump. 5.如权利要求1所述的燃油泵组件,其中,压力调节器的纵向大致平行于压力调节器插入安装部的插入方向。5. The fuel pump assembly of claim 1, wherein a longitudinal direction of the pressure regulator is substantially parallel to an insertion direction of the pressure regulator insertion mounting portion. 6.如权利要求1所述的燃油泵组件,进一步包括:6. The fuel pump assembly of claim 1, further comprising: 盖-装备壳体,其由上壳体和联合盖集成一体地形成,联合盖把由上盖保持的燃油泵和过滤器各自的一端相连接;和a cover-equipment housing integrally formed by an upper housing and a union cover connecting respective ends of a fuel pump and a filter held by the upper cover; and 泵底盖,其把燃油泵的另外一端固定在盖-装备壳体上,pump bottom cover, which fixes the other end of the fuel pump to the cover-equipment housing, 其中,燃油泵和过滤器都与流通通道相连接,该流通通道通过把燃油泵和过滤器都推入联合盖内而设置在联合盖上。Wherein, both the fuel pump and the filter are connected with the flow passage, and the flow passage is arranged on the joint cover by pushing the fuel pump and the filter into the joint cover. 7.如权利要求6所述的燃油泵组件,其中,燃油泵具有:泵壳;泵驱动部分,其在泵壳内被驱动;和至少一个端子,其设置在泵壳内,从泵壳上开始延伸,向泵驱动部分提供电源;7. The fuel pump assembly as claimed in claim 6, wherein the fuel pump has: a pump casing; a pump driving part, which is driven in the pump casing; and at least one terminal, which is arranged in the pump casing, from the pump casing Start extending to provide power to the pump drive section; 联合盖包括:联合盖体;连接器壳,其与联合盖体集成一体;和端子插入孔,其形成在连接器壳上,端子插入该端子插入孔内;The united cover includes: a united cover; a connector case integrated with the united cover; and a terminal insertion hole formed on the connector case into which the terminal is inserted; 与对应连接器电连通的连接器通过把燃油泵和过滤器都连接至联合盖上并且把端子插入端子插入孔内而形成。A connector electrically communicating with a corresponding connector is formed by connecting both the fuel pump and the filter to the union cover and inserting the terminals into the terminal insertion holes. 8.一种燃油泵组件,其具有:下壳体;盖在下壳体上的上壳体;保持在下壳体内燃油泵和燃油-净化过滤器;和联合盖,其把燃油泵和过滤器都保持在上壳体上,并且使两者相连,其中,燃油泵通过使燃油泵与对应连接器电连通而被驱动,8. A fuel pump assembly having: a lower housing; an upper housing that covers the lower housing; retaining the fuel pump and the fuel-purge filter in the lower housing; and a joint cover that holds both the fuel pump and the filter held on the upper housing and connecting the two, wherein the fuel pump is driven by electrically communicating the fuel pump with a corresponding connector, 该燃油泵组件包括:The fuel pump assembly includes: 燃油泵,其具有泵壳和在泵壳内被驱动的泵驱动部分;a fuel pump having a pump housing and a pump drive driven within the pump housing; 至少一个端子,其设置在泵壳上,从泵壳上开始延伸,向泵驱动部分提供电源;At least one terminal is arranged on the pump casing and extends from the pump casing to provide power to the pump driving part; 连接器壳,其与联合盖体集成一体;和a connector housing integrated with the union cover; and 端子插入孔,其形成在连接器壳上,端子插入该端子插入孔内;a terminal insertion hole formed on the connector housing into which the terminal is inserted; 其中,与对应连接器电连通的连接器通过把燃油泵和过滤器都连接至联合盖上并且把端子插入端子插入孔内而形成。Among them, the connector electrically communicating with the corresponding connector is formed by connecting both the fuel pump and the filter to the joint cover and inserting the terminals into the terminal insertion holes. 9.如权利要求7所述的燃油泵组件,其中,连接器壳具有另外一个连接部分,其与设置在对应连接器内的一个连接部分相连接。9. The fuel pump assembly as claimed in claim 7, wherein the connector housing has another connecting portion connected to a connecting portion provided in the corresponding connector. 10.如权利要求6所述的燃油泵组件,进一步包括钩状的导线保持部分,其与联合盖的外表面集成一体地形成。10. The fuel pump assembly of claim 6, further comprising a hook-shaped wire holding portion integrally formed with an outer surface of the union cover. 11.如权利要求2所述的燃油泵组件,其中,过滤器具有净化部分和过滤器罩,净化部分用于净化燃油,而过滤器罩覆盖着净化部分的外表面;和11. The fuel pump assembly according to claim 2, wherein the filter has a purge portion for purifying fuel, and a filter cover covering an outer surface of the purge portion; and 过滤器罩由金属制成。The filter housing is made of metal. 12.一种燃油泵组件,其具有:下壳体;盖在下壳体上的上壳体;位于下壳体内的燃油泵;净化燃油的过滤器;和用于调节燃油压力的压力调节器,12. A fuel pump assembly comprising: a lower housing; an upper housing covered on the lower housing; a fuel pump located in the lower housing; a filter for purifying fuel; and a pressure regulator for regulating fuel pressure, 该燃油泵组件包括:The fuel pump assembly includes: 过滤器,其具有用于净化燃油的净化部分和由与下壳体相同材料制成的覆盖着净化部分的外表面的过滤器罩;a filter having a purification portion for purifying fuel oil and a filter cover made of the same material as the lower case and covering the outer surface of the purification portion; 过滤器罩分为第一罩和第二罩,第一罩与下壳体集成一体,而第二罩与下壳体相分离,The filter cover is divided into a first cover and a second cover, the first cover is integrated with the lower case, and the second cover is separated from the lower case, 其中,在净化部分插入第一罩之后,第二罩焊接在第一罩上,至少一个燃油泵和压力调节器保持在上壳体内。Wherein, after the purge part is inserted into the first cover, the second cover is welded on the first cover, and at least one fuel pump and pressure regulator are kept in the upper housing. 13.一种燃油泵组件,其具有:下壳体;盖在下壳体上的上壳体;位于下壳体内的燃油泵;净化燃油的过滤器;和用于调节燃油压力的压力调节器,13. A fuel pump assembly comprising: a lower housing; an upper housing covered on the lower housing; a fuel pump located in the lower housing; a filter for purifying fuel; and a pressure regulator for regulating fuel pressure, 该燃油泵组件包括:The fuel pump assembly includes: 过滤器,其具有用于净化燃油的净化部分和覆盖着净化部分的外表面的过滤器罩;a filter having a cleaning portion for cleaning fuel and a filter housing covering an outer surface of the cleaning portion; 过滤器罩,其分为两个部分,这样,第一罩与下壳体集成一体,而第二罩与下壳体相分离;a filter housing which is divided into two parts such that the first housing is integral with the lower housing and the second housing is separate from the lower housing; 一个连接部分,其形成面对第一罩的第二罩的一个端部上;和a connection portion formed on one end of the second cover facing the first cover; and 另外一个连接部分,其形成面对第二罩的第一罩的一个端部上,Another connecting portion formed on one end of the first cover facing the second cover, 其中,在净化部分插入第一罩之后,连接部分通过一密封元件和另外一个连接部分件相连接,至少一个燃油泵和压力调节器保持在上壳体内。Wherein, after the cleaning part is inserted into the first housing, the connecting part is connected to another connecting part through a sealing element, and at least one fuel pump and a pressure regulator are held in the upper housing. 14.如权利要求12所述的燃油泵组件,其中,上壳体和第二罩的集成一体,以防止至少一个燃油泵和压力调节器与下壳体相分离。14. The fuel pump assembly of claim 12, wherein the upper housing and the second cover are integrated to prevent separation of the at least one fuel pump and pressure regulator from the lower housing. 15.如权利要求2所述的燃油泵组件,其中,压力调节器的纵向大致平行于压力调节器插入安装部的插入方向。15. The fuel pump assembly of claim 2, wherein a longitudinal direction of the pressure regulator is substantially parallel to an insertion direction of the pressure regulator insertion mounting portion. 16.如权利要求3所述的燃油泵组件,其中,压力调节器的纵向大致平行于压力调节器插入安装部的插入方向。16. The fuel pump assembly of claim 3, wherein a longitudinal direction of the pressure regulator is substantially parallel to an insertion direction of the pressure regulator insertion mounting portion. 17.如权利要求4所述的燃油泵组件,其中,压力调节器的纵向大致平行于压力调节器插入安装部的插入方向。17. The fuel pump assembly of claim 4, wherein a longitudinal direction of the pressure regulator is substantially parallel to an insertion direction of the pressure regulator insertion mounting portion. 18.如权利要求8所述的燃油泵组件,其中,连接器壳具有另外一个连接部分,其与设置在对应连接器内的一个连接部分相连接。18. The fuel pump assembly as claimed in claim 8, wherein the connector housing has another connecting portion connected to a connecting portion provided in the corresponding connector. 19.如权利要求7所述的燃油泵组件,进一步包括钩状的导线保持部分,其与联合盖的外表面集成一体地形成。19. The fuel pump assembly of claim 7, further comprising a hook-shaped wire holding portion integrally formed with an outer surface of the union cover. 20.如权利要求8所述的燃油泵组件,进一步包括钩状的导线保持部分,其与联合盖的外表面集成一体地形成。20. The fuel pump assembly of claim 8, further comprising a hook-shaped wire holding portion integrally formed with an outer surface of the union cover. 21.如权利要求4所述的燃油泵组件,其中,过滤器具有净化部分和过滤器罩,净化部分用于净化燃油,而过滤器罩覆盖着净化部分的外表面;和21. The fuel pump assembly according to claim 4, wherein the filter has a purge portion for purifying fuel and a filter cover covering an outer surface of the purge portion; and 过滤器罩由金属制成。The filter housing is made of metal. 22.如权利要求6所述的燃油泵组件,其中,过滤器具有净化部分和过滤器罩,净化部分用于净化燃油,而过滤器罩覆盖着净化部分的外表面;和22. The fuel pump assembly according to claim 6, wherein the filter has a purge portion for purifying fuel and a filter cover, the purge portion covering an outer surface of the purge portion; and 过滤器罩由金属制成。The filter housing is made of metal. 23.如权利要求7所述的燃油泵组件,其中,过滤器具有净化部分和过滤器罩,净化部分用于净化燃油,而过滤器罩覆盖着净化部分的外表面;和23. The fuel pump assembly according to claim 7, wherein the filter has a purge portion for purifying fuel, and a filter cover covering an outer surface of the purge portion; and 过滤器罩由金属制成。The filter housing is made of metal. 24.如权利要求8所述的燃油泵组件,其中,过滤器具有净化部分和过滤器罩,净化部分用于净化燃油,而过滤器罩覆盖着净化部分的外表面;和24. The fuel pump assembly according to claim 8, wherein the filter has a purge portion for purifying fuel and a filter cover, the purge portion covering an outer surface of the purge portion; and 过滤器罩由金属制成。The filter housing is made of metal. 25.如权利要求13所述的燃油泵组件,其中,上壳体和第二罩的集成一体,以防止至少一个燃油泵和压力调节器与下壳体相分离。25. The fuel pump assembly of claim 13, wherein the upper housing and the second shroud are integrated to prevent separation of the at least one fuel pump and pressure regulator from the lower housing.
CNB011208198A 2000-05-29 2001-05-29 Fuel oil pump assembly Expired - Fee Related CN1298989C (en)

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CN100420845C (en) * 2004-10-28 2008-09-24 西门子公司 Fuel pumps and fuel supply devices for internal combustion engines of motor vehicles with fuel pumps
CN102465804A (en) * 2010-11-08 2012-05-23 三菱电机株式会社 Fuel supply device
CN102678406A (en) * 2011-03-10 2012-09-19 爱三工业株式会社 Fuel supply device
CN102840070A (en) * 2011-06-22 2012-12-26 福特环球技术公司 System and method for lubricating fuel pump
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CN100420845C (en) * 2004-10-28 2008-09-24 西门子公司 Fuel pumps and fuel supply devices for internal combustion engines of motor vehicles with fuel pumps
CN102465804A (en) * 2010-11-08 2012-05-23 三菱电机株式会社 Fuel supply device
CN102465804B (en) * 2010-11-08 2014-10-15 三菱电机株式会社 Fuel supply device
CN102678406A (en) * 2011-03-10 2012-09-19 爱三工业株式会社 Fuel supply device
CN102678406B (en) * 2011-03-10 2015-03-25 爱三工业株式会社 Fuel supply device
CN102840070A (en) * 2011-06-22 2012-12-26 福特环球技术公司 System and method for lubricating fuel pump
CN102840070B (en) * 2011-06-22 2016-08-10 福特环球技术公司 The system and method for lubricating fuel pump
CN108005821A (en) * 2017-12-29 2018-05-08 浙江双良汽车零部件有限公司 Fuel delivery system

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EP1160444B1 (en) 2005-03-02
EP1160444A2 (en) 2001-12-05

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