JP3426479B2 - Cable-driven heater control device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable-driven heater control device. 2. Description of the Related Art Generally, as shown in FIG. 2, a cable-driven heater control device mounted on a vehicle integrally has a main body frame 3b having an upper surface opened at the back of a front panel portion 3a. Heater control body 3
And an operation link 24 swingably disposed on a main body frame 3b of the heater control main body 3, and rotatably disposed so as to penetrate a front panel portion 3a of the heater control main body 3 and rotating the same. A knob 7 for pivoting the operation link 24 by means of a dial, a dial 8 attached to the dial attachment knob 7, a base end connected to the operation link 24, and a front end connected to the air conditioning unit of the vehicle. (Not shown) and a control cable 25 connected thereto. The operation links 24 are respectively
A bevel gear portion 24a meshing with a bevel gear 7a integral with a dial mounting knob 7 which is turned by turning the dial 8 is provided, and swings in conjunction with the operation of the dial 8. [0004] The cable-driven heater control device is mounted on an instrument panel of a vehicle, and an example thereof is shown in FIGS. A claw portion 9 for temporarily fixing a front panel portion 3a of the heater control main body 3 is formed in an opening 2 formed in the instrument panel 1, and the claw portion 9 is formed in the opening 2 from the back side thereof. With the heater control main body 3 inserted and arranged and temporarily fixed by the claw portions 9, the cluster 6 is positioned and mounted on the heater control main body 3, and the heater control main body penetrates the cluster 6 and protrudes to the surface side. The dial 8 is mounted on the dial mounting knob 7 so that the dial 8 is disposed in the dial recess 10 formed in the surface of the cluster 6, and the cluster 6 is fixed to the instrument panel 1. Has become. [0006] As shown in FIGS.
It is formed by inserting slits 11 on the left and right sides of the opening 2 of the instrument panel 1, and when the heater control main body 3 is inserted into the opening 2 from the back side thereof, the front panel of the heater control main body 3 The portion 3a gets over the claw portion 9 while elastically deforming the claw portion 9, thereby the instrument panel 1
The outer peripheral edge of the front panel 3a of the heater control main body 3 is supported and temporarily movably fixed between the opening edge 2a and the claw 9 of the heater control main body 3. On the other hand, positioning pins 12 are formed in the front panel 3a of the heater control main body 3, and positioning holes 13 into which the positioning pins 12 are fitted are formed on the back side of the cluster 6, respectively. At the same time, a wobble prevention clip 14 is provided on the back side of the cluster 6,
A wobble prevention hole 15 into which the wobble prevention clip 14 is fitted is formed in the front panel portion 3a of the heater control main body 3, and the cluster 6 penetrates through the front panel portion 3a of the heater control main body 3 through the cluster 6. A fastening boss 17 for a tapping screw 16 to be screwed is formed. The cluster 6 is provided with clips 20 and 21 which are fitted into fitting holes 18 and 19 formed on the instrument panel 1 side.
The cluster 6 is fixed to the instrument panel 1 by screwing the tapping screw 22 into the fastening boss 23 of the instrument panel 1 with the 0 and 21 fitted in the fitting holes 18 and 19. Has become. When assembling the heater control main body 3, first, the heater control main body 3 is inserted into the opening 2 formed in the instrument panel 1 from the back side thereof.
When the heater control body 3 is inserted, the heater control body 3 moves over the claw 9 while elastically deforming the claw 9, whereby the opening edge 2 a of the instrument panel 1 and the claw 9
Between the front panel 3 of the heater control body 3
The outer peripheral edge portion a is supported and temporarily fixed so as to be movable. In a state where the heater control main body 3 is temporarily fixed to the instrument panel 1 by the claw portions 9,
The positioning pins 12 protruding from the front panel 3a of the heater control body 3 are fitted into positioning holes 13 formed on the back side of the cluster 6, and the wobble prevention protruding from the back side of the cluster 6 is prevented. Clip 14
Is fitted into the wobble prevention hole 15 formed in the front panel portion 3a of the heater control main body 3, the cluster 6 is mounted on the heater control main body 3 while being positioned. When the tapping screw 16 is screwed into the fastening boss 17 formed in the portion 3a so as to penetrate the cluster 6, the heater control main body 3 and the cluster 6 are integrated. In this operation, the heater control body 3 can be held by hand through the radio opening 6a of the cluster 6 or the like. Next, a dial 8 is mounted on a dial mounting knob 7 of the heater control body 3 which penetrates through the cluster 6 and protrudes to the surface side. After being mounted on the instrument panel 1, the clips 20, 2 of the cluster 6 are inserted into the fitting holes 18, 19 formed on the instrument panel 1 side.
When the tapping screw 22 is screwed into the fastening boss 23 of the instrument panel 1 in a state where
The cluster 6 is fixed to the instrument panel 1. By the way, in the conventional case, the above-described cable-driven heater control device is usually carried from a component maker to an assembling factory of a vehicle company in a state where the dial mounting knob 7 is rotatable. As described above, the heater control body 3 is assembled to the vehicle instrument panel 1 and the control cable 2
5 is connected to an air conditioning unit (not shown) of the vehicle. However, as described above, the heater control body 3 is transported in a state where the dial mounting knob 7 is rotatable, and is mounted on the instrument panel 1 of the vehicle. If the cable 25 is connected to the air conditioning unit of the vehicle, the position of the control cable 25 may be shifted. If the position of the control cable 25 is shifted as described above, the dial mounting knob 7 may be turned off. It is necessary to operate and adjust the position of the control cable 25 again to perform the connection operation again, and to rotate the dial operation knob 7 to which the dial 8 is not attached for adjustment requires a large force. In other words, the workability was poor. Grease for smooth operation is applied to the meshing portion between the bevel gear 7a of the dial mounting knob 7 and the bevel gear portion 24a of the operation link 24.
Since the upper surface of the main body frame 3b of the heater control main body 3 is open and has nothing to cover, the grease adheres to the hands of the worker when the heater control main body 3 is assembled to the instrument panel 1, and the instrument panel 1 and the like. May be stained. The present invention has been made in view of the above circumstances, and can prevent the position of the control cable from being shifted when the control cable is connected to the air conditioning unit of the vehicle, and can adjust the position of the control cable and redo the connection work. An object of the present invention is to provide a cable-driven heater control device which can be made unnecessary, can improve workability, and can prevent contamination by grease when assembling the heater control body. According to the present invention, there is provided a heater control main body integrally formed with a main body frame having an upper surface opened on the back side of a front panel portion, and a main body frame of the heater control main body. An operation link rotatably disposed; a dial mounting knob rotatably disposed so as to penetrate a front panel portion of the heater control main body, and rotating the operation link by rotation thereof;
A cable-driven heater control device comprising: a dial attached to the dial attachment knob; and a control cable having a base end connected to the operation link and a front end connected to a vehicle air conditioning unit. A mounting portion which is fitted to a dial mounting knob so as to cover a front panel portion of the heater control main body and which prevents rotation of the dial mounting knob; and a main body of the heater control main body from an upper end edge of the mounting portion. The present invention relates to a cable-driven heater control device, characterized in that a cover having a shielding portion projecting so as to cover an upper surface opening of the frame is detachably provided on the heater control main body. According to the above means, the following effects can be obtained. By mounting the cover on the heater control body, the dial mounting knob cannot be rotated by the mounting portion of the cover and the grease can be prevented from being stained by the shielding portion. Therefore, when the heater control body is assembled to the instrument panel of the vehicle and the control cable is connected to the air conditioning unit of the vehicle, the position of the control cable does not shift during the operation. This eliminates the need to re-adjust the position of the control cable and perform the connection work again, thereby improving the workability.Also, even if grease is applied to the engagement portion between the dial mounting knob and the operation link, the heater control body is When the operator attaches the grease to the instrument panel, the operator's hand does not directly touch the grease-applied portion, so that grease does not easily adhere to the operator's hand, thereby preventing the instrument panel and the like from being stained. With the cover attached to the heater control main body, when the heater control main body is assembled to the vehicle instrument panel and the control cable is connected to the vehicle air conditioning unit, the cover is removed from the heater control main body. It is only necessary to remove and attach the dial to the dial attachment knob, and it can be reused. Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an example of an embodiment of the present invention, in which parts denoted by the same reference numerals as in FIGS. 2 to 7 represent the same parts, and the basic configuration is shown in FIGS. This is the same as the conventional one shown in FIG. 7, but the feature of the illustrated example is that it is fitted to the dial mounting knob 7 so as to cover the front panel 3a of the heater control body 3, as shown in FIG. A mounting portion 26a for preventing rotation of the dial mounting knob 7; and a shielding portion 26b projecting from an upper edge of the mounting portion 26a so as to cover an upper surface opening of the main body frame 3b of the heater control main body 3. Is provided on the heater control body 3 so as to be detachable.
With the heater control body 6 attached to the heater control body 3, the heater control body 3 is assembled to the instrument panel 1 of the vehicle, and the control cable 25 is connected to the air conditioning unit of the vehicle.
And the dial 8 is attached to the dial attaching knob 7. In the case of the illustrated example, the mounting portion 26a of the cover 26 has a rectangular rotation preventing hole 27 that fits into the dial mounting knob 7, and a cross-shaped fitting that fits into the positioning pin 12. A hole 28, a substantially circular fitting hole 29 that fits into the tightening boss 17, and a locking claw 30 that fits into the wobble prevention hole 15 are formed. Handle part 31 used when detaching
Is protruding. In the drawing, reference numeral 32 denotes a mounting portion 26 of the cover 26.
This is a slit for reducing the weight formed from a to the shielding portion 26b. Next, the operation of the above illustrated example will be described. The heater control body 3 includes a cover 26
Is mounted, the dial mounting knob 7 is not rotatable by the mounting portion 26a of the cover 26, and the upper opening of the main body frame 3b is covered by the shielding portion 26b. It is carried in. For this reason, in the assembly factory, the heater control body 3 is connected to the instrument panel 1 of the vehicle.
When connecting the control cable 25 to the air conditioning unit (not shown) of the vehicle,
The position of the control cable 25 does not shift during the work, and the position of the control cable 25 is not adjusted and the connection work is not performed again, so that the workability is improved, while the dial mounting knob 7 and the operation link are improved. Even when grease is applied to the engagement portion with the grease 24, the worker's hand does not directly touch the grease-applied part when assembling the heater control main body 3 to the instrument panel 1, so that the worker's hand is not touched. Grease is less likely to adhere, and the instrument panel 1 and the like can be prevented from becoming dirty. With the cover 26 attached to the heater control body 3 and the heater control body 3 assembled to the vehicle instrument panel 1 and the connection of the control cable 25 to the vehicle air conditioning unit completed, the cover 26 is detached from the heater control main body 3 by grasping the handle portion 31 thereof, and thereafter, the dial 8 is attached to the dial mounting knob 7 in the same procedure as in the conventional case.
You only have to attach. If the cover 26 is returned from the assembly plant to the parts maker and recycled, the resources can be effectively used and the cost can be avoided. Further, the cover 26 can be mounted in an assembly factory, and in this case, it is not necessary to return the cover 26 to the component manufacturer. Thus, when the control cable 25 is connected to the air conditioning unit of the vehicle, it is possible to prevent the position of the control cable 25 from shifting, and it is not necessary to adjust the position of the control cable 25 and redo the connection work. In addition, the grease can be prevented from being stained when the heater control main body 3 is assembled. It should be noted that the cable-driven heater control device of the present invention is not limited to the above-described illustrated example, and various changes can be made without departing from the scope of the present invention. As described above, according to the cable-driven heater control device of the present invention, when the control cable is connected to the air conditioning unit of the vehicle, the position of the control cable is prevented from being shifted. Further, it is possible to eliminate the necessity of adjusting the position of the control cable and redoing the connection work, improve the workability, and prevent the grease from being stained when the heater control body is assembled. .

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an example of an embodiment of the present invention. FIG. 2 is a perspective view of an example of a conventional cable-driven heater control device. FIG. 3 is an exploded perspective view showing an example of assembling a conventional cable-driven heater control device to an instrument panel of a vehicle. FIG. 4 is a front view of a heater control main body in an example of a conventional cable-driven heater control device. FIG. 5 is a cross-sectional plan view showing an example of a conventional cable-driven heater control device after assembly is completed.
It is a sectional equivalent view. 6 is a cross-sectional plan view of an example of a conventional cable-driven heater control device after assembly is completed, and FIG.
It is a VI section equivalent figure. FIG. 7 is a cross-sectional plan view showing an example of a conventional cable-driven heater control device after assembly is completed.
It is a VII section equivalent view. [Description of Signs] 1 Instrument panel 3 Heater control main body 3a Front panel section 3b Main body frame 7 Dial mounting knob 8 Dial 24 Operation link 25 Control cable 26 Cover 26a Mounting section 26b Shielding section 27 Rotation preventing hole

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-1-229715 (JP, A) JP-A-7-267278 (JP, A) JP-A-58-221710 (JP, A) 48809 (JP, U) JP-A 63-43923 (JP, U) JP-A 3-107215 (JP, U) JP-A 62-115472 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) B60H 1/00-3/06 B65D 81/00-85/84

Claims (1)

(1) A heater control main body integrally formed with a main body frame having an upper surface opened at a rear side of a front panel portion, and the main body frame of the heater control main body swings. An operation link freely disposed; a dial mounting knob rotatably disposed so as to penetrate a front panel portion of the heater control main body, and pivoting the operation link by the rotation thereof; A cable-driven heater control device, comprising: a dial attached to an attachment knob; and a control cable having a base end connected to the operation link and a front end connected to an air conditioning unit of a vehicle. A fitting that can be fitted to the dial mounting knob so as to cover the front panel of the control body to prevent rotation of the dial mounting knob. A cover having an attachment portion and a shielding portion projecting from an upper end edge of the mounting portion so as to cover an upper surface opening of the main body frame of the heater control main body is detachably provided on the heater control main body. Cable-driven heater control device.