JP2004210019A - Control operating device for air-conditioning of vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a control operating device for air-conditioning of a vehicle equipped with a rotary type operating knob easy to transmit the operating force. <P>SOLUTION: The control operating device is equipped with the operating knob 5 furnished in the center with a through hole 16 and formed approximately in a ring shape, a rotary member 28 furnished with a pinion gear 30 for driving and rotating in a single piece with the knob 5, a gear lever 10 having a gear part 10a capable of being coupled with the pinion gear 30 and driving a control wire 12 coupled with this air-conditioner of the vehicle in accordance with the rotation of the knob 5, a displaying member 15 approximately in a cylindrical shape furnished with an indication part 15a to indicate the operating position of the knob 5 and inserted into a through hole 16 in the non-coupled condition with the knob 5, and a gear mechanism to couple the knob 5 with the pinion gear 30, wherein an internal space 32 is formed between the indication part 15a and the gear mechanism, and a bulb base 19 having a bulb 20 to illuminate the indication part 15a is installed in the internal space 32. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a vehicle air conditioning control operation device provided in an air conditioner mounted on a vehicle.
[0002]
[Prior art]
[Patent Document 1]
JP 2002-123197 A [Patent Document 2]
Japanese Patent Laid-Open No. 2001-184969
Conventionally, in a vehicle air conditioning control device, as shown in Patent Document 1, when an operation knob is rotated, a rotating member is rotated and an air conditioner mounted on the vehicle is mechanically controlled by a control wire so that the wind direction and temperature are controlled. As shown in Patent Document 2, the dial knob provided on the outer periphery of the display unit is rotated so that the rotational position of the dial knob is detected by a rotary switch and arranged on the printed circuit board. Some have controlled an air conditioner mounted on a vehicle by an electric circuit.
[0004]
[Problems to be solved by the invention]
However, in the vehicle air-conditioning control device shown in Patent Document 1, it is configured to operate by gripping the convex knob portion protruding to the front side of the operation knob with the fingertip, and therefore it is difficult to transmit the operation force. The operability is bad. On the other hand, since the vehicle air-conditioning control device shown in Patent Document 2 can be operated to rotate by gripping the outer periphery of the dial knob, the operation force can be easily transmitted and the operability can be improved. Since it is electrically controlled by an electric circuit, there is a drawback that the cost becomes high.
[0005]
In addition, when the operation knob of Patent Document 1 is provided with a display unit at the center like the dial knob of Patent Document 2 and a display lamp is installed behind the display unit, it is connected to the connecting part of the rotating member. Since the knob shaft part provided at the center of the operation knob must be provided at a position shifted from the center of the operation knob, parts such as a rotary switch must be arranged in the width direction, and the base is limited. There is a problem that the space that cannot be used effectively.
[0006]
[Means for Solving the Problems]
In order to solve the above-described problem, a vehicle air-conditioning control apparatus according to the present invention includes a through-hole at the center, an operation knob formed in a substantially ring shape, and a drive pinion gear, and is integrated with the operation knob. A rotating member that rotates automatically, and a gear lever that has a gear part that can be connected to the pinion gear, and that drives a control wire connected to an air conditioner mounted on a vehicle according to the turning of the operation knob. A substantially cylindrical display member that is provided with a marking portion that indicates an operation position of the operation knob and is not connected to the operation knob, and a gear mechanism that connects the operation knob and the pinion gear. In addition, an internal space is formed between the marking portion and the gear mechanism, and an auxiliary plate having an illumination member that illuminates the marking portion is provided in the internal space.
[0007]
That is, even when an attachment base having an illumination member for illuminating the marking portion is provided by connecting the operation knob and the gear lever by a gear mechanism and forming an internal space between the marking portion and the gear mechanism, the rotating member Since it can be installed on the same axis as the operation knob, it can be operated so as to grasp the outer periphery with the marking part in the center even in the control unit for vehicle air conditioning that controls the air conditioner mechanically mounted on the vehicle by the control wire. A large-diameter operation knob that can be used.
[0008]
The gear mechanism is an interlocking gear provided with an output gear provided integrally with the rotating member, a large diameter portion having an inner tooth portion formed on the inner surface, and a small diameter portion integrally engaged with the operation knob. And the planetary gear for interlocking the output gear and the interlocking gear, and at least two planetary gears are symmetrically connected to the large diameter portion.
[0009]
Therefore, even when a large-diameter operation knob is used, it is possible to prevent the operation knob from rotating in a biased manner and to rotate the operation knob in a balanced manner, so that the gear mechanism can be damaged by operation of the operation knob. Can be prevented.
[0010]
Further, the planetary gear is composed of a first planetary gear interlocked with the inner tooth portion on the inner surface of the interlocking gear, and a second planetary gear connected to the output gear.
[0011]
Therefore, by connecting the planetary gear and the output gear in stages, the internal space formed between the marking portion and the gear mechanism can be expanded, so that the position where the light can be effectively illuminated to the marking portion. An illumination member can be provided on the surface.
[0012]
Further, a base member that rotatably supports the planetary gear is provided on a base member that houses the gear mechanism, the mounting base is fitted to the shaft support, and the axial direction of the planetary gear is adjusted by the mounting base. It is configured to restrict movement.
[0013]
That is, by fitting the mounting base to the shaft support portion of the planetary gear, the shaft support portion can be shared as the mounting portion of the mounting base, and the planetary gear can be removed from the shaft support portion without providing another member. Can be prevented.
[0014]
A switch member having a function different from that of the operation knob is provided on the mounting base, and an operation member for operating the switch member is provided on the display member.
[0015]
Thus, by providing the switch member for operating another function in the operation knob, it is possible to easily add a function different from the operation knob to the vehicle air conditioning control device without changing the gear mechanism or the like.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, a first embodiment according to the present invention will be described with reference to FIGS.
[0017]
1A and 1B show a first vehicle air-conditioning control device 1 according to the present invention. In this vehicle air-conditioning control device 1, an operation panel 3 is integrally attached to a front surface portion 2a of a base member 2, and a mode knob 4 that is an operation knob for adjusting the wind direction is provided on the surface of the operation panel 3, and a temperature. A temp knob 5 as an adjustment knob and a fan knob 6 as an air volume adjustment knob connected to a fan switch (not shown) housed in the base member 2 are rotatably provided, and the air conditioner is turned on and off. An air conditioner switch 7 for performing an operation and a push knob 9 of an inside / outside air switching switch 8 for performing a switching operation of inside air circulation or outside air introduction are provided so as to be pushed in.
[0018]
A gear lever 10 connected to the pinion gear 30 of the mode knob 4 and the balance knob 5 is rotatably supported on the base member 2 by a lever supporting shaft portion 11 provided on the base member 2, and is not shown at one end of the gear lever 10. A control wire 12 connected to an air conditioner mounted on the vehicle is connected. The control wire 12 has an outer wire 12a fixed to a clamp portion 13 provided on the base member 2, and the inner wire 12b slides in the outer wire 12a in accordance with the rotation of the gear lever 10, whereby the air conditioning apparatus described above. Is controlled according to the rotation of the operation knob.
[0019]
FIG. 2 is a partial cross-sectional view taken along line AA in FIG. The temp knob 5 includes an operation portion 14 and a display member 15 provided with a marking portion 15a indicating the rotational position of the operation portion 14 on the front side (left side in FIG. 2). The display member 15 is inserted into a through-hole 16 provided in the center of the operation portion 14 and fixed coaxially to the base member 2 by a valve base 19 to be described later so as not to interlock with the operation portion 14. The marking portion 15a is exposed at the center of the operation portion 14 so as to be closed.
[0020]
As shown in FIG. 2 or 3, the operation portion 14 is formed in a substantially ring shape having a hollow portion 14a, and an engagement hole 14b communicating with the hollow portion 14a is formed on the inner periphery thereof. And the nail | claw part 17a formed in the front-end | tip of the small diameter part 25 of the interlocking gear 17 formed in the substantially cylindrical shape mentioned later is penetrated in the hollow part 14a, and when the operation part 14 is fitted. The interlocking gear 17 is connected integrally. The operation unit 14 is provided with a light guide member 18 that transmits light from a bulb 20 to be described later at a predetermined rotational position, and is guided to the display member 15 at a predetermined interval at the predetermined rotational position. Light is emitted by the light of the bulb 20 guided from the light hole 15b.
[0021]
As shown in FIG. 4B, the valve base 19 as an attachment base is formed in a substantially cross shape, and a valve 20 as an illumination member for illuminating the marking portion 15a is attached to the center thereof. The bulb 20 is connected to the circuit board 23 by a terminal member 22 shown by a broken line in FIG. 4B, and is turned on when power is supplied from the outside. The valve base 19 is provided with a substantially cylindrical valve guide 24. The valve guide 24 is provided with an engagement hole 24a at a predetermined position as shown in FIG. The display member 15 is fixed to the base member 2 by the valve guide 24 by engaging the claw portion 15c of the display member 15 with the engagement hole 24a.
[0022]
As shown in FIG. 3, the valve base 19 is fixed with a screw or the like to a fixing portion 2c provided so as to protrude from the front surface portion 2a of the base member 2 in the same manner as a shaft supporting portion 21 to be described later. Two are provided on the same circumference as 21.
[0023]
The interlocking gear 17 is a substantially cylindrical member having a small diameter portion 25 provided with a claw portion 17a that engages with the engagement hole 14b of the operation portion 14 and a large diameter portion 26 provided with an internal tooth portion 26a. The large-diameter portion 26 is formed with a flat portion 26 b that can be engaged with an engaging claw portion 2 b provided on the base member 2.
That is, the flat portion 17b of the large diameter portion 26 is engaged with the engaging claw portion 2b provided on the front surface portion 2a of the base 2, and the interlocking gear 17 is rotatably attached to the base member 2 to operate the small diameter portion 25. The operation portion 14 is pivotably attached to the base member 2 by being inserted into the hollow portion 14a of the portion 14 and engaging the claw portion 17a with the engagement hole 14b and integrally attaching the operation portion 14 to the interlocking gear 17. It will be attached.
[0024]
Further, as shown in FIG. 2, a planetary gear 27 is pivotally supported on a shaft support portion 21 provided so as to protrude from the front surface portion 2a of the base 2. The planetary gear 27 is formed by integrally connecting two gears, a first planetary gear 27a and a second planetary gear 27b. The first planetary gear 27a is connected to the inner tooth portion 26a of the large-diameter portion 25 described above. The second planetary gear 27b is configured to mesh with an output gear 29 provided on the rotating member 28 so as to mesh with each other.
[0025]
On the other hand, the rotating member 28 is rotatably supported in the support shaft hole 2d of the base member 2 so that the pinion gear 30 and the output shaft 31 protrude behind the base member 2. A projecting portion 28a is provided at the tip of the rotating member 28 projecting into the front surface portion 2a, and an output gear 29 is integrally attached to the projecting portion 28a. That is, the rotation of the operation unit 14 can be transmitted to the gear lever 10 by a gear mechanism including the interlocking gear 17, the planetary gear 27, and the output gear 29. The output gear 29 may be formed integrally with the rotating member 28.
[0026]
The planetary gears 27 are pivotally supported by the shaft support portions 21 provided symmetrically around the support shaft hole 2d, respectively, and without biasing the operation force of the operation portion 14 by the two planet gears 27, Since the rotation of the interlocking gear 17 is transmitted to the output gear 29, the rotating member 28 can be smoothly rotated. Further, as shown in FIG. 2 or FIG. 4B, the planetary gear 27 is dropped from the shaft support portion 21 by fitting the end portion of the valve base 19 fixed to the fixing portion 2 c to the tip of the shaft support portion 21. This can be prevented by the valve base 19.
[0027]
Further, the rear end portion of the valve 20 is projected between the valve base 19 and the output gear 29 by dividing the planetary gear 27 into a first planetary gear 27a and a second planetary gear 27b to form a two-stage gear. Therefore, as shown in FIG. 3, the terminal member 22 can be extended along the back surface (lower side in FIG. 2) of the valve base 19 and connected to the circuit board 23. Therefore, a sufficient internal space 32 can be formed between the bulb base 19 and the marking portion 15a, and the bulb 20 can be installed at a position where the lighting amount of the marking portion 15a is appropriate.
[0028]
The assembly of the vehicle air conditioning control device 1 configured as described above will be described. First, the rotating member 28 having the output gear 29 integrally attached so as to mesh the pinion gear 30 with the gear lever 10 attached to the base member 2 is passed through the support shaft hole 2d. Then, the planetary gear 27 is attached to the shaft support 21 so that the second planetary gear 27b and the output gear 29 mesh with each other, and the end of the valve base 19 is fitted to the tip of the shaft support 21 to which the planetary gear 27 is attached. At the same time, a part of the end of the valve base 19 is fixed to the fixing portion 2c with a screw or the like. Thereby, without providing a separate member, the movement of the planetary gear 27 and the rotating member 28 in the axial direction can be restricted, and the dropping of them can be prevented. The valve base 19 is preferably assembled with the valve 20 and the terminal member 22 first before being attached to the shaft support 21.
[0029]
Next, the internal gear portion 26a of the interlocking gear 17 is meshed with the first planetary gear 27a, and the interlocking gear 17 is moved to the base member 2 so that the flat surface portion 26b of the large diameter portion 26 is engaged with the engaging claw portion 2b. Install it by pushing it into Then, after the operation panel 3 is attached to the base member 2, the small diameter portion 25 protrudes from the operation panel 3 so that the valve guide 24 of the valve base 19 is inserted inside the through hole 16 of the operation portion 14. The operating portion 14 is connected to the interlocking gear 17 by fitting the hollow portion 14 a of the operating portion 14. Thereby, the operation part 14 is attached to the rotatable base member 2 integrally with the interlocking gear 17.
Thereafter, the display member 15 is integrally fitted with the valve base 19 so as to be inserted into the through-hole 16 of the operation unit 14, so that the display member 15 fixed to the base member 2 and the outer periphery of the display member 15 The operation unit 14 attached to be rotatable is attached to the operation panel 3.
[0030]
The operation of each component when the temperature of the air conditioner is adjusted by the vehicle air conditioning control device 1 assembled as described above will be described. First, when the operation portion 14 of the temp knob 5 is rotated to a predetermined position in accordance with the marking portion 15a, the interlocking gear 17 is rotated integrally with the operation knob 14, and as shown in FIG. The first planetary gears 27a of the two planetary gears 27 are rotated by the internal teeth 26a provided on the first planetary gear 27, and the rotation of the first planetary gears 27a is output to the second planetary gear 27b. Then, as shown in FIG. 5B, the output gear 29 meshed with the second planetary gear 27 b is rotated, and the gear lever 10 is controlled by the pinion gear 30 of the rotating member 28 according to the rotation amount of the temp knob 5. The inner wire 12b is driven, and temperature adjustment of an air conditioner mounted on a vehicle (not shown) is controlled.
[0031]
In the above embodiment, the temp knob 5 has been described. However, the mode knob 4 and the fan knob 7 can be similarly configured. As for the fan knob 7, an output gear 29 may be attached to the rotating shaft of a fan switch (not shown) instead of the rotating member 28. Further, the planetary gear 27 may be connected to the output gear 29 to the first planetary gear 27a without being a two-stage gear.
[0032]
Next, in FIG.6 and FIG.7, the 2nd control apparatus 51 for vehicle air conditioning of this invention is shown. FIG. 6 shows a front view of the second vehicle air-conditioning control device 51. FIG. 7 is a partial cross-sectional view taken along the line EE of FIG. In the figure, the same members as those in the first vehicle air-conditioning control device 1 are denoted by the same reference numerals.
[0033]
The second vehicle air-conditioning control device 51 includes a defogger switch 53 for performing an on / off operation of a rear window fogging prevention device on a concave cylindrical portion 52 formed in the center of the display member 15 of the mode knob 4, the temp knob 5, and the fan knob 6. The inside / outside air changeover switch 8 or the push knob 54 of the air conditioner switch 7 is housed in a pushable manner.
[0034]
As shown in FIG. 7, a leg 55 extends behind the push knob 54, and below the leg 55 (lower side in FIG. 7) from the valve base 19 to the front side (in FIG. 7). A vertical groove 55a that engages with a guide rib 57 provided so as to protrude to the left) is formed in a predetermined range, and by engaging with the guide rib 57, the push knob 54 is guided to move in the axial direction. The movement in the rotation direction is restricted. An overhanging interlocking portion 55b is provided above the leg portion 55 (upper side in FIG. 7), and a tact switch 56 integrally attached to the valve base 19 is provided at the rear of the interlocking portion 55b. Are connected.
[0035]
On the front surface of the knob cap 54a provided on the front surface of the push knob 54, a knob mark 59 formed of a member that transmits light from the night illumination bulb 58 is integrally formed by insert molding or the like. Further, the knob cap 54 a is formed with a first space portion 60 provided with the knob mark 54 a and a shielded second space portion 61 by the leg portion 55, and an operation display lens 62 is fitted into the second space portion 61. ing. The operating lens 62 is provided on the valve base 19 and transmits the light of the operation display valve 63 that is turned on when the tact switch 56 is turned on, so that the operating state of the push knob 54 is displayed. . The display member 15 is fixed to the base member 2 by engaging the claw portion 15c with the engagement hole 24a provided in the valve guide 24, like the first vehicle air conditioning control device 1. Yes.
[0036]
That is, when the push knob 54 is pushed in, the tact switch 56 is turned on, the operation display valve 63 is lit, and the operation lens 62 is illuminated. Further, when the push knob 54 is pushed again, the tact switch 56 is turned off, and the push knob 54 is restored by the urging force of a spring (not shown) built in the tact switch 56.
[0037]
Similarly to the first vehicle air conditioning heater control device described above, the operation of the operation unit 14 is transmitted from the outside to the output gear 29 stepwise via the planetary gear 27 by the interlocking gear 17 and the operation knob. By forming the internal space 32 at the rear side, a sufficient space for arranging the push knob 54 and the tact switch 56 can be secured. That is, it is possible to provide the push knob 54 having a function different from that of the operation knob 14 by changing only the display member 15 and the valve base 19 of the first vehicle air conditioning heater control device without changing the gear mechanism.
[0038]
In this embodiment, the push-type tact switch 56 is operated by the push knob 54, but the rotary switch may be operated by using the push knob 54 as a rotary knob.
[0039]
【The invention's effect】
As is apparent from the above description, according to the present invention, a through hole is provided in the center, and an operation knob formed in a substantially ring shape and a drive pinion gear are provided, and rotate integrally with the operation knob. A rotating member that moves, a gear portion that is connectable to the pinion gear, and a gear lever that drives a control wire connected to an air conditioner mounted on a vehicle according to the rotation of the operation knob; A marking portion that indicates an operation position of the knob, a substantially cylindrical display member that is inserted into the through hole in a non-connected state with the operation knob, a gear mechanism that connects the operation knob and the pinion gear, and An internal space is formed between the marking portion and the gear mechanism, and an auxiliary plate having an illumination member for illuminating the marking portion is provided in the internal space, so that it is mechanically mounted on the vehicle by a control wire. Even in a vehicle air-conditioning control device for controlling an air conditioner that, the operating knob provided with a marking portion in the center, it is possible to the operating knob and large diameter, thereby improving the operability.
[0040]
The gear mechanism includes an output gear integrally provided on the rotating member, a large diameter portion having an inner tooth portion formed on an inner surface, and a small diameter portion integrally engaged with the operation knob. And a planetary gear that interlocks the output gear and the interlocking gear, and at least two of the planetary gears are symmetrically connected to the large-diameter portion to rotate the operation knob in a balanced manner. Therefore, it is possible to prevent the gear mechanism from being damaged by rotating the operation knob in a biased manner.
[0041]
Further, the planetary gear is composed of a first planetary gear interlocked with the inner tooth portion on the inner surface of the interlocking gear, and a second planetary gear coupled to the output gear, and the planetary gear and the output gear are connected stepwise. Thus, the internal space provided behind the operation knob can be widened, and the illumination member can be installed at an effective position with respect to the marking portion.
[0042]
Further, a base member that rotatably supports the planetary gear is provided on a base member that houses the gear mechanism, the mounting base is fitted to the shaft support, and the axial direction of the planetary gear is adjusted by the mounting base. By restricting the movement, it is possible to reliably prevent the planetary gear from dropping from the shaft support portion by the mounting base without providing a separate member.
[0043]
Then, a switch member having a function different from that of the operation knob is provided by providing a switch member having a function different from that of the operation knob on the mounting base, and providing an operation member for operating the switch member on the display member. It can be added to the control device for vehicle air conditioning.
[Brief description of the drawings]
1A is a front view and FIG. 1B is a bottom view of a first vehicle air-conditioning control apparatus according to the present invention.
FIG. 2 is a partial cross-sectional view taken along the line AA in FIG.
FIG. 3 is a partial cross-sectional view taken along line BB in FIG.
4A is a front view showing the inside of the vehicle air-conditioning control device when the operation panel 3 and the balance knob 5 of FIG. 1A are removed, and FIG. 4B is a front view showing the interlocking gear 17 from FIG. It is a front view which shows the inside of the control apparatus for vehicle air conditioning at the time of removing.
5A is a cross-sectional view taken along the line CC of FIG. 2, and FIG. 5B is a cross-sectional view taken along the line DD of FIG.
FIG. 6 is a front view of a second vehicle air-conditioning control apparatus according to the present invention.
7 is a partial cross-sectional view taken along line EE of FIG.
[Explanation of symbols]
2 Base member 4 Mode knob 5 Temp knob 7 Fan knob 10 Gear lever 10a Gear part 12 Control wire 15 Display member 15a Marking part 16 Through-hole 17 Interlocking gear 19 Valve base 20 Valve 21 Shaft support part 25 Small diameter part 26 Large diameter part 26a Internal tooth part 27 Planet Gear 27a first planetary gear 27b second planetary gear 28 rotating member,
29 Output gear 30 Pinion gear 32 Internal space 54 Push knob 54a Knob cap 55 Leg 56 Tact switch

Claims (5)

An operation knob provided with a through hole in the center and formed in a substantially ring shape;
A rotating pin member provided with a driving pinion gear and rotating integrally with the operation knob;
A gear lever having a gear portion connectable to the pinion gear and driving a control wire connected to an air conditioner mounted on a vehicle according to rotation of the operation knob;
A substantially cylindrical display member that is provided with an indicator that indicates an operation position of the operation knob, and is inserted into the through hole in a non-connected state with the operation knob;
A gear mechanism for connecting the operation knob and the pinion gear;
A vehicle air-conditioning control operation device, wherein an internal space is formed between the marking portion and the gear mechanism, and an auxiliary plate having an illumination member for illuminating the marking portion is provided in the internal space. The gear mechanism includes an output gear provided integrally with the rotating member;
An interlocking gear provided with a large diameter portion having an inner tooth portion formed on the inner surface and a small diameter portion integrally engaged with the operation knob;
It consists of a planetary gear that links the output gear and the interlocking gear,
2. The vehicle air-conditioning control operation device according to claim 1, wherein at least two of the planetary gears are symmetrically connected to the large-diameter portion. 3. The vehicle air conditioner according to claim 2, wherein the planetary gear includes a first planetary gear that interlocks with the inner tooth portion on an inner surface of the interlocking gear, and a second planetary gear that connects with the output gear. Control operating device. A base member that rotatably supports the planetary gear is provided on a base member that houses the gear mechanism, the mounting base is fitted to the shaft supporting part, and the planetary gear is moved in the axial direction by the mounting base. The vehicle air-conditioning control operation device according to claim 2, wherein the vehicle air-conditioning control operation device is regulated. 5. The vehicle air conditioner according to claim 1, wherein a switch member having a function different from that of the operation knob is provided on the mounting base, and an operation member for operating the switch member is provided on the display member. Control operating device.

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