JPH08276796A - Insulator structure for automobile - Google Patents

Abstract

PURPOSE: To provide an insulator structure for an automobile wherein workability of assembly is improved to prevent worsening sound shield performance. CONSTITUTION: An insulator structure 10 for an automobile is formed so as to fix an opening part 6 of an insulator main unit 1 by a clip 9 to a stud bolt 15 provided in a car body panel 11. The opening part 6 of slit shape is formed in the insulator main unit 1, and an embossed part 8, deeper than a protrusive part of a slit by inserting the stud bolt 15 further smaller than a seat surface of the clip 9, is formed in this opening part 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle insulator structure.

[0002]

2. Description of the Related Art A conventional automotive insulator structure will be described below.

As shown in FIGS. 6 and 7, a dash panel 11 for partitioning an engine room and a vehicle compartment of an automobile is composed of an upper panel 12 and a lower panel 13, and the upper panel 12 is bent to form a cowl box 14. There is. A stud bolt 15 is fixed to the upper part of the upper panel 12, and an insulator dash structure 10 is installed on the passenger compartment side.

The insulator dash structure 10 includes an insulator dash body 1, and an opening 6 is provided at a position of the upper portion 4 corresponding to the stud bolt 15. The opening 6 penetrates the stud bolt 15. With the insulator dash body 1 temporarily fixed, the lower portion 5 of the insulator dash body 1 is attached to the lower panel 1.
3 and the harness clip 9 fixes the upper part 4 of the insulator dash body 1 to the dash panel 11 at 4 to 7 positions.

[0005]

However, in the above-mentioned conventional structure, when the lower portion 5 is assembled after the upper portion 4 of the insulator dash body 1 is assembled, the upper portion 4 of the insulator dash body 1 is fitted with the stud bolts 15.
There was a problem in that the workability of the assembly was poor because of the dripping as shown by the arrow.

On the other hand, in recent mass production methods, there are restrictions such as automatic removal of pierce end material, and there is a limit to reducing the opening diameter of the upper portion 4 of the insulator dash body 1, and even if this is possible. There is a drawback that the mountability of the insulator dash body 1 to the stud bolt 15 is deteriorated.

Further, when the opening 6 is slit, when the stud bolt 15 is penetrated, the skin is turned over as shown in FIG. 8 and the clip 9 cannot be attached. On the other hand, increasing the length of the stud bolt 15 increases types. The cost will increase. Further, there is a defect that sound leaks from the opening 6 and the sound insulation performance is deteriorated.

An object of the present invention is to solve the above-mentioned conventional problems, and an object thereof is to provide an insulator structure for an automobile, which has a good workability in assembling and does not deteriorate sound insulation performance.

[0009]

In order to achieve this object, an automobile insulator structure of the present invention is an automobile insulator structure in which an opening of an insulator body is fixed to a stud bolt provided on a vehicle body panel by a clip. In the above configuration, a slit-shaped opening is formed in the insulator body, and an embossed portion that is deeper than the protruding portion of the slit by the stud bolt penetration and smaller than the seat surface of the clip is formed in the opening.

[0010]

With this structure, since the protruding deformation of the slit is absorbed by the embossed portion, the fixing by the clip can be easily performed, and the workability of assembling the insulator body is good. Further, since the embossed portion increases the adhesion of the slit to the stud bolt, the sound insulation performance of the insulator body is improved.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. The same parts as those shown in the conventional example are designated by the same reference numerals.

An insulator dash structure 10 is installed on the inner surface of a vehicle compartment 14 of a dash panel that divides an engine room and a vehicle compartment of an automobile.

The insulator dash structure 10 includes an insulator dash body 1, and the insulator dash body 1 is constructed by laminating a skin material 2 and a sound absorbing material 3.

The dash panel 11 is composed of an upper panel 12 and a lower panel (not shown).
Are folded to form the cowl box 14.
A stud bolt 15 is provided on the upper portion of the upper panel 12 so that the harness clip 9 having a notch is fixed to the inner surface of the hole.

The upper portion 4 of the insulator dash body 1 is provided with a slit 7-shaped opening 6 penetrating the stud bolt 15, and an embossed portion 8 is provided around the opening 6. As shown in FIG. 4, the embossed portion 8 is formed deeper than the protruding portion 7a of the slit 7 formed by penetrating the stud bolt 15 and smaller than the area of the clip seat 9a of the harness clip 9.

By providing the embossed portion 8 in the opening 6 of the insulator dash body 1 as described above, when the stud bolt 15 is inserted, the slit 7 is deformed and fixed to the screw of the stud bolt 15, and the insulator dash body 1 is inserted. Plays a role of preventing the upper part 4 from coming off. Therefore, when the lower portion 5 is assembled after the upper portion 4 of the insulator dash body 1 is assembled, the insulator dash body 1 does not come off from the stud bolt 15 and drip, and the workability of the assembly is good.

Further, since the protruding deformation amount 7a of the slit 7 is absorbed by the embossed portion 8, the fixing by the harness clip 9 can be easily performed and the workability of assembling is good. Furthermore, since the embossed portion 8 increases the adhesion of the slit 7 to the stud bolt 15, the sound insulation performance of the insulator dash body 1 is improved.

5 (a), 5 (b), and 5 (c) show another embodiment of the present invention, in which the shape of the embossed portion 16 is adjusted to the clip seat 9a. Is formed. As a result, double sealing by the surface of the clip seat 9a and the stud bolt 15 is possible, and the sound insulation performance is improved.

In FIG. 5B, by making the shape of the slit 7 into a hat-convex shape, the stud bolt 15 can be easily fitted in the central convex portion 17 and the left and right displacement of the insulator dash body 1 can be prevented. , Positioning becomes easy.

In FIG. 5 (c), by increasing the number of slits 7, the turning-over area of the slits 7 due to the penetration of the stud bolts 15 is reduced, and the sound insulation performance is improved.

[0021]

As described above, the present invention provides an insulator structure for an automobile in which the insulator body is fixed to the stud bolt provided on the vehicle body panel by a clip, and a slit-shaped opening is formed in the insulator body. By forming an embossed portion deeper than the protruding portion of the slit due to the penetration of the stud bolt and smaller than the seat surface of the clip in this opening portion, the protruding deformation of the slit is absorbed by the embossed portion,
The clip can be easily fixed, and the workability of assembling the insulator body is good. Further, since the embossed portion increases the adhesion of the slit to the stud bolt, it is possible to obtain an automobile insulator structure having good sound insulation performance.

[Brief description of drawings]

FIG. 1 is a perspective view of an interior of an automobile including an automobile insulator structure according to an embodiment of the present invention.

FIG. 2 is an exploded sectional view of the vehicle insulator structure.

FIG. 3 is a front view of an embossed portion of the vehicle insulator structure.

FIG. 4 is an enlarged cross-sectional view of the assembled state of the automobile insulator structure.

FIG. 5A is a front view of another embossed portion of the automobile insulator structure. (B) It is a front view of another opening part of the insulator structure for motor vehicles. (C) It is a front view of the further another opening part of the insulator structure for motor vehicles.

FIG. 6 is an exploded cross-sectional view of a conventional automobile insulator structure.

FIG. 7 is a sectional view of the insulator structure in an assembled state.

FIG. 8A is a sectional view of the same insulator structure before the stud bolt penetrates. (B) It is sectional drawing after the stud bolt of the same insulator structure penetrated.

[Explanation of symbols]

 1 Insulator Dash Main Body 6 Opening 7 Slit 7a Projection 8 Embossing 9 Harness Clip (Clip) 9a Seat 10 Automotive Insulator Structure 11 Panel 15 Stud Bolt

Claims (1)

[Claims] 1. In an insulator structure for an automobile, wherein an insulator body is fixed to a stud bolt provided on a vehicle body panel by a clip, a slit-shaped opening is formed in the insulator body, and the stud bolt penetrates the opening. An insulator structure for an automobile, characterized in that an embossed portion which is deeper than the protruding portion of the slit and smaller than the seat surface of the clip is formed.