JPH10129361A - Mounting structure for heater control device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve a design by a method wherein a heater control panel is eliminated and the surface side of a heater control unit is covered only with a cluster, and positioning of the heater control unit and the cluster is practicable. SOLUTION: In a state that a heater control unit 3 is inserted in and arranged in the opening part 2 of an instrument panel 1 and temporarily fixed by a pawl part 9, a cluster 6 is mounted on the heater control unit 3 as the cluster is positioned. A dial 8 is attached to the knob 7 for operation of the heater control unit 3 extending through the cluster 6 in a manner that the dial is disposed in a recessed part 10 for a dial formed in the surface of the cluster 6, and the cluster 6 is fixed at the instrument panel 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heater control device mounting structure.

[0002]

2. Description of the Related Art Generally, as shown in FIGS. 6 and 7, a heater control device mounted on a vehicle controls a heater control unit 3 from an upper surface of an opening 2 formed in an instrument panel 1 from the front side thereof. The heater control panel 5 is mounted on the front side of the heater control unit 3 and a cluster 6 is mounted on the instrument panel 1 by a tapping screw (not shown). Cover the mounting portion of the heater control unit 3 with respect to the instrument panel 1, and further attach a dial 8 to a knob 7 for operation of the heater control unit 3 protruding to the front side.

[0003]

In the heater control device as described above, the heater control panel 5
Since the heater control unit 3 and the cluster 6 to which are mounted are separately fixed to the instrument panel 1, there is a possibility that the positional relationship between the heater control panel 5 and the cluster 6 is relatively slightly shifted, which causes a problem in appearance. Was sometimes

Further, the heater control panel 5 attached to the heater control unit 3 and the cluster 6 are separate bodies, which leads to an increase in cost due to an increase in the number of parts.

SUMMARY OF THE INVENTION In view of the above circumstances, the present invention can eliminate the heater control panel, cover the front side of the heater control unit only with the cluster, and perform positioning between the heater control unit and the cluster. It is an object of the present invention to provide a heater control device mounting structure that can improve the design by mounting the unit on a cluster.

[0006]

According to the present invention, a claw portion for temporarily fixing a heater control unit is formed in an opening formed in an instrument panel, and a heater is provided on the opening from the back side thereof. In a state where the control unit is inserted and arranged and temporarily fixed by the claw portions, the cluster is positioned and attached to the heater control unit, and the cluster is fixed to the instrument panel. It depends on.

In the mounting structure of the heater control device, positioning pins are provided on one of the front side of the heater control unit and the back side of the cluster, and the positioning pins on the front side of the heater control unit and the back side of the cluster. In each of them, a positioning hole into which the positioning pin is inserted is formed, and
On one of the front side of the heater control unit and the back side of the cluster,
Further, a wobble prevention hole into which the wobble prevention clip is fitted is formed on one of the front side of the heater control unit and the back side of the cluster, respectively.
A tightening boss of a tapping screw that is screwed through a position hidden by the dial of the cluster can be formed on the front side of the heater control unit.

According to the above means, the following effects can be obtained.

At the time of assembling the heater control unit, first, when the heater control unit is inserted into the opening formed in the instrument panel from the back side thereof, the heater control unit is temporarily fixed by the claw so as to be movable. In this state, the cluster is positioned and attached to the heater control unit while the cluster is fixed to the instrument panel, so that the heater control unit and the cluster can be attached to the instrument panel.

In the mounting structure of the heater control device, a positioning pin is provided on one of the front side of the heater control unit and the back side of the cluster.
A positioning hole into which the positioning pin is inserted is formed on one of the front side of the heater control unit and the back side of the cluster. To one side, a wobble prevention clip,
A wobble prevention hole into which the wobble prevention clip is inserted is formed on one of the front side of the heater control unit and the back side of the cluster, and a position hidden by the cluster dial on the front side of the heater control unit. When the tightening boss of the tapping screw to be screwed through is formed, the positioning pin is fitted into the positioning hole, and the wobble prevention clip is fitted into the wobble prevention hole, whereby the cluster of the heater control unit is Positioning can be performed reliably, and the tapping screw is screwed into the tightening boss formed on the front side of the heater control unit, passing through the position hidden by the dial of the cluster, and the appearance of the heater control unit and the cluster is improved. Without spoiling Indeed it can be integrated.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 5 show an embodiment of the present invention, in which a claw portion 9 for temporarily fixing a heater control unit 3 is formed in an opening 2 formed in an instrument panel 1. In a state where the heater control unit 3 is inserted into the opening 2 from the back side thereof and temporarily fixed by the claw 9, the cluster 6 is mounted on the heater control unit 3 while being positioned, and the cluster 6 The dial 8 is attached to the operation knob 7 of the heater control unit 3 which penetrates through and protrudes to the surface side so that the dial 8 is disposed in the dial recess 10 formed in the surface of the cluster 6. The cluster 6 is fixed to the instrument panel 1.

As shown in FIGS. 1 and 3, the claw 9 is
It is formed by inserting slits 11 on the left and right sides of the opening 2 of the instrument panel 1. When the heater control unit 3 is inserted into the opening 2 from the back side thereof, the heater control unit 3 The claw portion 9 is moved over the claw portion 9 while elastically deforming the claw portion 9.
The outer peripheral edge on the front surface side of the is supported and temporarily fixed so as to be movable.

On the other hand, a positioning pin 12 is formed on the front side of the heater control unit 3, and a positioning hole 13 for receiving the positioning pin 12 is formed on the back side of the cluster 6. A wobble prevention clip 14 is formed on the back side of the cluster 6, and a wobble prevention hole 15 into which the wobble prevention clip 14 is fitted is formed on the front side of the heater control unit 3, respectively. On the surface side of the screw 3, a tightening boss 1 of a tapping screw 16 screwed through a position hidden by the dial 8 of the cluster 6.
7 is formed. A positioning hole 13 is formed on the front side of the heater control unit 3, a positioning pin 12 is formed on the back side of the cluster 6, and a wobble prevention hole 15 is formed on the back side of the cluster 6.
Needless to say, a wobble prevention clip 14 may be formed on the front side of the heater control unit 3.

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. It is.

Next, the operation of the illustrated example will be described.

When assembling the heater control unit 3, first, the heater control unit 3 is inserted into the opening 2 formed in the instrument panel 1 from the back side thereof, and the heater control unit 3 is inserted into the claw 9. Over the claw portion 9 while elastically deforming the outer peripheral edge portion on the front side of the heater control unit 3 between the opening edge portion 2a of the instrument panel 1 and the claw portion 9 so as to be movable. Will be temporarily fixed.

When the heater control unit 3 is temporarily fixed to the instrument panel 1 by the claw portions 9, positioning pins 12 projecting from the front surface of the heater control unit 3 are formed on the back surface of the cluster 6. And the cluster 6
The wobble prevention clip 14 projecting from the back side of the
When the cluster 6 is fitted into the wobble prevention hole 15 formed on the front side of the heater control unit 3 while being positioned with respect to the heater control unit 3, the cluster 6 is formed on the front side of the heater control unit 3. When the tapping screw 16 is screwed into the tightening boss 17 so as to penetrate a position hidden by the dial 8 of the cluster 6, the heater control unit 3 and the cluster 6 are integrated. In this operation, the heater control unit 3 can be held by hand through the radio opening 6a of the cluster.

Next, a dial 8 is connected to a knob 7 for operating the heater control unit 3 which penetrates through the cluster 6 and protrudes to the front side. After being mounted on the instrument panel 1, the clips 20, 21 of the cluster 6 are inserted into the fitting holes 18, 19 formed in the instrument panel 1.
When the tapping screw 22 is screwed into the fastening boss 23 of the instrument panel 1 in a state in which is fitted, the cluster 6 is fixed to the instrument panel 1, and the heater control unit 3 and the instrument panel 1 of the cluster 6 are fixed. The installation for is completed.

In this manner, the heater control panel 5 can be eliminated, and the front side of the heater control unit 3 can be covered only by the cluster 6, so that the heater control unit 3 and the cluster 6 can be positioned. By attaching to the cluster 6, the design can be improved without deteriorating the appearance.

A gap formed between the dial recess 10 formed on the surface of the cluster 6 and the dial 8 attached to the heater control unit 3 as in the illustrated example,
Since the heater control unit 3 and the cluster 6 are positioned and attached to each other, they become uniform in the circumferential direction of the dial 8, and the appearance can be further improved.

It should be noted that the mounting structure of the heater control device of the present invention is not limited to the above-described example, and it is needless to say that various changes can be made without departing from the gist of the present invention.

[0023]

As described above, according to the heater control device mounting structure of the present invention, the heater control panel can be eliminated, and the front side of the heater control unit can be covered only by the cluster, and the instrument panel can be mounted on the instrument panel. By positioning and fixing the temporarily fixed heater control unit to the cluster, it is possible to provide a heater control device mounting structure with good workability and good appearance.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an example of an embodiment of the present invention.

FIG. 2 is a front view of a heater control unit according to an example of an embodiment of the present invention.

FIG. 3 is a plan sectional view of an example of an embodiment of the present invention after assembly is completed, and is a sectional view corresponding to the line III-III in FIG. 2;

4 is a cross-sectional plan view of an example of an embodiment of the present invention after assembly is completed, and is a cross-sectional view corresponding to line IV-IV in FIG. 2;

5 is a plan cross-sectional view of an example of an embodiment of the present invention after assembly is completed, and is a view corresponding to a cross section taken along line VV of FIG. 2;

FIG. 6 is an overall schematic perspective view of a conventional example.

FIG. 7 is a sectional view taken along line VII-VII of FIG. 6;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Instrument panel 2 Opening 3 Heater control unit 6 Cluster 7 Knob 8 Dial 9 Claw 10 Dial recess 12 Positioning pin 13 Positioning hole 14 Wobble prevention clip 15 Wobble prevention hole 16 Tapping screw 17 Tightening boss

Claims (2)

[Claims] 1. A claw for temporarily fixing a heater control unit is formed in an opening formed in an instrument panel, and a heater control unit is inserted and arranged in the opening from the back side thereof. And mounting the clusters to the heater control unit while positioning the clusters in a state where the clusters are temporarily fixed, and fixing the clusters to the instrument panel. 2. A positioning pin on one of the front side of the heater control unit and the back side of the cluster, and the positioning pin on one of the front side of the heater control unit and the back side of the cluster. Positioning holes into which the control pins are inserted, and a wobble prevention clip on one of the front side of the heater control unit and the back side of the cluster, and the front side of the heater control unit and the cluster. A wobble prevention hole into which the wobble prevention clip is fitted is formed on one of the back sides, and a tapping screw which is screwed through a position hidden by the dial of the cluster on the front side of the heater control unit. 2. The heater control device according to claim 1, wherein a fastening boss is formed. Mounting structure.