JPH07246836A - Door trim mounting structure - Google Patents

Abstract

PURPOSE:To easily mount a door trim without damaging parts and poor assembly. CONSTITUTION:A fixed rail 3 is provided on an inner panel 4 for an automotive door. For the fixed rail 3, a guide rail 2 slidingly engageable therewith is provided on a door trim 1. With the sliding engagement of the guide rail 2 with the fixed rail 3, the door trim 1 is mounted on the inner panel 4. Easy engagement is ensured by sliding guide function.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door trim mounting structure for mounting a door trim on an inner panel in a vehicle door.

[0002]

2. Description of the Related Art An example of a conventional door trim mounting structure is shown in FIG.
Is shown in. In FIG. 9A, which is a schematic side view of the door as viewed from the inside of the vehicle, a plurality of door trims 102, for example, six retainers (also called clips) 103 are provided on the inner panel 101 of the vehicle door 100. Installed using. The retainer 103 is shown in FIG.
As shown in (b) of the drawing, which corresponds to a sectional view taken along the line D-D of (a), it is inserted into the mounting hole 104 of the inner panel 101 using elasticity. In FIG. 9B, the solid line shows the state before the retainer is attached, and the two-dot chain line shows the state after the retainer is attached.

[0003]

In the conventional door trim mounting structure, each retainer 103 is attached to the mounting hole 1.
Since it is necessary to insert it in 04 and the fitting portion is not visible, the assembling work is difficult, which causes damage to the retainer 103 or defective assembling.

Therefore, the present invention has been made to solve the above-mentioned problems, and an object thereof is to provide a door trim mounting structure capable of easily assembling the door trim without damaging the parts or causing a defective assembly. To provide.

[0005]

In order to achieve the above object, the invention according to claim 1 is such that a guide rail is provided on an inner panel of an automobile door, and a fixed rail is slidably engageable with the guide rail. A rail is provided on the door trim, and the door trim is attached to the inner panel by the sliding engagement of the guide rail with the fixed rail. The invention according to claim 2 is the door trim mounting structure according to claim 1, wherein a guide rail is elastically engaged with the fixed rail.

[0006]

According to the door trim mounting structure of the first aspect of the present invention, the fixed rail and the guide rail are slid to engage the two rails, whereby the door trim is mounted to the inner panel. According to the door trim mounting structure of the second aspect, since the engagement between the fixed rail and the guide rail has elasticity, rattling between both rails is prevented or reduced.

[0007]

EXAMPLES Examples 1 to 4 of the present invention will be described in order. [Embodiment 1] Embodiment 1 will be described with reference to FIGS. FIG. 1A is a schematic side view of the door panel and the door trim as viewed from the inside of the vehicle, and FIG. 1B is a sectional view taken along the line AA of FIG. 2 is an exploded perspective view of the door. 1 and 2, a door panel 7 of a vehicle door is formed by combining an outer panel 5 and an inner panel 4. Inner panel 4
A service hole 8 is opened at the bottom, and an appropriate number of screw holes 9 (two are shown in the figure) formed by a weld nut or the like are provided at the bottom thereof. The door trim 1 attached to the inner panel 4 is formed by covering a base material 1a with a skin material 1b as shown in FIG. 5, which corresponds to an enlarged cross-sectional view taken along the line BB of FIG. Further, as shown in FIGS. 1 and 2, a screw hole 6 corresponding to the screw hole 9 is provided at the lower end of the door trim 1.

A pair of front and rear fixed rails 3 are arranged in parallel on the inner surface of the inner panel 4, that is, the surface on the trim mounting side. Each fixed rail 3 has 2
There are books, and the two books are aligned. As shown in the sectional view of FIG. 5, each fixed rail 3 has a Z-shaped cross section, and one piece of the fixed rail 3 serves as the fixed piece 3a.
By welding or attaching by means of unillustrated coupling means such as bolts and nuts, the other is used as an engaging piece 3b and a slide groove 10 is formed between the same piece 3b and the inner panel 4. Note that, as shown in FIG.
The engagement piece 3b of the front fixed rail 3 is directed rearward, and the engagement piece 3b of the rear fixed rail 3 is directed forward.

A pair of front and rear guide rails 2 are arranged in parallel on the surface of the door trim 1 on the panel mounting side, that is, the back surface, as shown in a perspective view in FIG. Each of the guide rails 2 corresponds to the fixed rail 3 and has two upper and lower guide rails 2 arranged in a straight line.
Each guide rail 2 has a Z-shaped cross section as shown in a perspective view in FIG. 4 as well as FIG. 5, and one piece of the guide rail 2 serves as a fixed piece 2a on the base material 1a of the door trim 1 by rivets or caulking. Is attached by a fastening means (not shown), and the other is used as the engaging piece 2b. The engagement piece 2b of the front guide rail 2 is directed forward, and the engagement piece 2b of the rear guide rail 2 is directed rearward. The engaging piece 2b of the guide rail 2 is bent in a corrugated cross section, and its corrugated width is set to be equal to or slightly smaller than the groove width W of the slide groove 10, and the gap between the both is set. The rattling is small or 0.

The door trim 1 is attached to the door panel 7 as described below. The slide groove 1 of the upper rail of each fixed rail 3 before and after the state shown in FIG.
Insert the engaging pieces 2b of the lower rails of the guide rails 2 in the door trim 1 into the upper end of the door trim 1
Is slid downward so as to be in surface contact with the inner panel 4. As a result, the engagement piece 2b of the guide rail 2 slides along the slide groove 10 of the fixed rail 3 and thereby both rails 2 and 3 are engaged, and the door trim 1 is attached to the inner panel 4 (see FIG. 1 ( See the two-dot chain line in a)). Then, a screw (not shown) is fastened to the screw hole 9 through the screw hole 6. It should be noted that the screw stopper may be appropriately set in a portion requiring strength, and the screw stopper may be replaced with a clip stopper.

According to the door trim mounting structure, since the fixed rail 3 and the guide rail 2 are slidably engaged with each other, the engagement is easily and accurately performed by the guide function by the slide. Therefore, the door trim 1 can be easily assembled without damaging the parts or the assembly failure that occurs in the case of the conventional retainer assembly.

[Second Embodiment] A second embodiment will be described with reference to FIG. 6 which is a cross-sectional view showing an engaging portion between rails. Since this example is a modification of a part of the first embodiment, the modified part will be described in detail, and the same reference numerals will be given to the parts that are considered to be the same as or equivalent to those of the first embodiment, and redundant description will be omitted. Omit it. Further, the same concept is applied to the following embodiments, and a duplicate description will be omitted. In this example, the engaging portions of the rails of Example 1 are changed.
That is, the guide rail 2 is formed of a spring material, and the wavy width W ₁ of the engagement piece 2b in the free state is larger than the groove width W of the slide groove 10 of the fixed rail 3 as shown by the chain double-dashed line in FIG. It is set large. The guide rail 2
At the lower end portions of the upper and lower rails, which are the front end portions in the engaging direction, the wavy width W ₁ of the engaging piece 2b in the free state is made smaller than the groove width W of the slide groove 10 of the fixed rail 3, It is preferable that it be easily inserted into the slide groove 10 of the fixed rail 3.

Therefore, when the two rails 2 and 3 are engaged, the engagement piece 3b of the guide rail 2 elastically engages with the slide groove 10 of the fixed rail 3 as shown by the solid line in the figure. As a result, rattling between the rails 2 and 3 can be prevented or reduced, and generation of abnormal noise due to the rattling can be suppressed. By taking into consideration the rail shape or material in this way, it is possible to easily take measures against noise due to rattling.

[Third Embodiment] A third embodiment will be described with reference to FIG. FIG. 7A is a schematic side view of the relationship between the door panel and the door trim as viewed from the inside of the vehicle, and FIG. 7B is a sectional view taken along line CC of FIG. In this example, the upper and lower rails 2 and 3 of the first embodiment are formed into a single continuous rail. Each rail 2, 3
Is set as required, and may be a single type as in the present example, a two-piece type as in the first embodiment, or a three-piece type or more. Conceivable.

[Fourth Embodiment] A fourth embodiment will be described with reference to FIG. FIG. 8A is a schematic perspective view of the door panel as viewed from the inside of the vehicle, FIG. 8B is a cross-sectional view showing engaging portions of rails with each other, and FIG. 8C is a partial perspective view of a fixed rail peripheral portion. In this example, a cut-and-raised piece 3 having a U-shaped cross-section formed by punching the inner panel 4 in Example 1.
1 is a fixed rail. According to this example, the number of parts and the number of assembling steps can be reduced as compared with the case where a separate rail is attached to the inner panel 4.

[0016]

Since the present invention is constructed as described above, it has the following effects. According to the door trim mounting structure of the first aspect of the present invention, since the fixed rail and the guide rail are slidably engaged with each other, the engagement is easily and accurately performed by the guide function by the slide, and thereby the parts are provided. The door trim can be easily assembled without damaging the product or causing assembly failure. According to the door trim mounting structure of the second aspect, since the rattling between the fixed rail and the guide rail is prevented or reduced by the elastic engagement, generation of abnormal noise due to the rattling is suppressed. be able to.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a relationship between a door panel and a door trim according to a first embodiment.

FIG. 2 is an exploded perspective view of a door.

FIG. 3 is a perspective view showing the back surface of the door trim.

FIG. 4 is a perspective view showing a guide rail.

FIG. 5 is a cross-sectional view showing an engaging portion between rails.

FIG. 6 is a cross-sectional view showing an engaging portion between rails of a second embodiment.

FIG. 7 is an explanatory diagram showing a relationship between a door panel and a door trim according to a third embodiment.

FIG. 8 is an explanatory diagram showing a fourth embodiment.

FIG. 9 is an explanatory diagram showing a conventional example.

[Explanation of symbols]

 1 Door trim 2 Guide rail 3 Fixed rail 4 Inner panel

Claims (2)

[Claims] 1. An inner panel of an automobile door is provided with a fixed rail, and a guide rail slidably engageable with the fixed rail is provided on a door trim, and the door trim is formed by the sliding engagement of the guide rail with the fixed rail. Is a door trim mounting structure mounted on the inner panel. 2. The door trim mounting structure according to claim 1, wherein a guide rail is elastically engaged with the fixed rail.