JPH08172Y2 - Car door trim structure - Google Patents

Description

[Detailed Description of the Invention] [Industrial application] The present invention relates to a structure of a vehicle door trim, and more particularly to a structure for assembling a weather strip assembly attached to a door trim sub-assembly.

[Conventional technology]

Conventionally, a door trim of an automobile door is generally provided with a weather strip assembly B attached to a door trim sub-assembly A as shown in FIG.

 FIG. 7 shows a view on arrow VII of FIG.

As shown in FIG. 7, the door trim subassembly A has a trim board 50 having a predetermined shape and a cushion pad 52 and a skin 53 that wrap the front side of the trim board 50.
The upper edge of the skin material 51 and the trim board 50 that are formed by combining
The mounting base 54 is mounted along the lower surface of the 50a.

The mounting base 54 is formed in a substantially L-shaped cross section by a mounting edge 54a and a hanging edge 54b. Cut-and-raised claws 54c for attaching to the upper edge 50a at predetermined intervals on the attachment edge 54a.
Are formed. Further, a plurality of square holes 54d for attaching the weather strip assembly B are provided at predetermined intervals on the depending edge 54b.

The mounting base 54 thus formed is mounted along the lower surface of the upper edge 50a of the trim board 50 via the cut-and-raised claws 54c.

On the other hand, as shown in FIG. 8 (a), the weather strip assembly B is composed of a frame 55 mounted along the mounting base 54 and a weather strip 56 fitted to the frame 55 in a fitting manner. .

As shown in FIG. 8 (b), this frame 55 is formed by bending a steel plate material, and its cross-sectional shape is a mounting web 55a mounted along the hanging edge 54b of the mounting base 54.
And a lower projecting edge 55b having a substantially hook-shaped cross section is formed at the lower end of the mounting web 55a. Further, the upper end side of the mounting web 55a is bent with a predetermined overhanging width so as to be able to engage with the upper face side of the upper end edge 50a of the trim board 50, and is folded back in an overlapping manner to form an engaging portion 55c. Then, the folded back tip portion is formed with an upper projecting edge 55d having a substantially hook-shaped cross section corresponding to the lower projecting edge 55b. The upper and lower edges 55d, 55b
A groove portion 55e into which the weather strip 56 can be fitted is formed between them.

Further, the mounting web 55a can be inserted into the same rectangular hole 54d corresponding to the rectangular hole 54d penetrating the mounting base 54.
Locking claws 55f are formed by being cut and raised so as to be bent and locked at either the right or left edge of d.

The weather strip 56 is fitted along the groove 55e of the frame 55 formed in this way (see FIG. 8A).

This weather strip 56 is formed by vulcanization extrusion molding of elastic rubber, sponge rubber, etc., and its cross-sectional shape is the groove 55.
A substantially strip-shaped lip base 56a that can be fitted to the e and lips 56b, 56b having a substantially tongue-shaped cross section that extend obliquely from the one side surface of the lip base 56a in a substantially parallel shape in the drawing are formed.

The weather strip 56 thus formed has its lip base 56a fitted in the groove 55e, and is caulked by the upper and lower projecting edges 55d and 55b. Frame again
A weather strip assembly B is formed by attaching a molding 57 having a substantially C-shaped cross section to the engaging portion 55c at the upper end of the 55 and the upper projecting edge 55d in the longitudinal direction thereof.

Next, as shown in FIG. 9 which is a sectional view taken along the line IX-IX of FIG. 6, prior to mounting the weather strip assembly B formed as described above, the end 53a of the skin 53 of the skin 51 is attached.
Is attached along the upper edge 50a of the trim board 50 and to the hanging edge 54b of the mounting base 54.

Thereafter, the engaging portion 55c of the frame 55, which is formed on the upper end side of the weather strip assembly B, is pressed against the outer skin 53 so as to engage with each other, and the respective locking claws 55f formed on the attaching web 55a are attached to the attaching base 54. The terminal 53a of the epidermis 53 is inserted into each square hole 54d of the
A notch is formed so that f can be inserted. ) And bending each locking claw 55f to the right or left edge of the square hole 54d, the weather strip assembly B is attached and the end 53a of the outer skin 53 is processed.

[Problems to be solved by the device]

However, in the conventional weather strip assembly B assembling structure described above, in order to ensure workability when the weather strip assembly B is attached to the door trim sub-assembly A, a square hole is provided.
The vertical width of 54d is relatively larger than the vertical width of the locking claw 55f (see FIG. 9).

Therefore, due to variations in assembly work, the mounting position of the weather strip assembly B is not constant (shown by the alternate long and short dash line in FIG. 9), and a gap 58 is formed between the door trim sub-assembly A and the molding 57, which is unsightly. There was a problem that became.

The present invention has been made to solve the above conventional problems, and an object of the present invention is to provide a door trim having a good appearance after assembly.

[Means for solving the problem]

In order to solve the above-mentioned problems of the conventional technology, the present invention is an automobile in which a weather strip assembly is attached to a door trim sub-assembly including a skin material, a trim board, and a mounting base for mounting the weather strip assembly. In the door trim structure of (1), the mounting base extends from the upper edge of the trim board, and the mounting edge protruding from the upper edge of the hanging edge toward the trim board side and the mounting side of the weatherstrip assembly. A protruding edge, and the tip of the protruding edge is folded back to form a curved concave portion, and a fitting convex portion that can be fitted into the curved concave portion is formed at the upper end edge of the weather strip assembly. It depends on the structure to be formed.

[Action]

According to the present invention, the weather strip assembly B is mounted with the fitting convex portion formed at the upper end thereof fitted in the curved concave portion of the mounting base, so that the vertical mounting position is constant. To do.

From this, it is possible to provide a door trim with a good finished appearance.

〔Example〕

Next, an embodiment of the present invention will be described with reference to FIGS.

FIG. 1 shows a door trim according to the present invention, in which a door trim sub-assembly A and a weather strip assembly B are attached.
Is attached.

 A view taken along the arrow II in FIG. 1 is shown in FIG.

The door trim sub-assembly A is a trim board 2 having a predetermined shape, a skin material 5 in which a cushion pad 3 enclosing the surface side of the trim board 2 and a skin 4 are composite-molded, and an upper edge 2a of the trim board 2. And a mounting base 6 for mounting the weather strip assembly B mounted along the upper surface of the.

As shown in FIG. 3, the mounting base 6 is formed by bending a strip-shaped thin steel plate having a length substantially equal to the width of the door trim,
A mounting edge 6a protruding toward the trim board 2 side (left side in the drawing) and a protruding edge 6b protruding toward the weather strip assembly B side (right side in the drawing) are formed and folded back at the tip of the protruding edge 6b. Further, it has a substantially T-shaped cross section which extends along the lower surface thereof and hangs down at the boundary between the mounting edge 6a and the overhanging edge 6b to form a depending edge 6c.

The tip of the overhanging edge 6b is folded back further downward to form a curved concave portion 8.

The mounting edge 6a is arranged substantially flush with the upper surface of the trim board 2 along the upper edge 2a of the trim board 2, and the cut-and-raised claws 6e formed on the mounting edge 6a at a predetermined interval,
The mounting base 6 is fixed to the trim board 2 by driving 6e, ....

Further, the hanging edge 6c of the mounting base 6 is formed with cut grooves 6d, 6d, ... Opened at the lower end of the hanging edge 6c at predetermined intervals.

On the other hand, the weather strip assembly B is a frame mounted along the mounting base 6 as shown in FIG.
It is composed of a frame 10 and a weather strip 12 fitted to the frame 10 in a fitting manner.

As shown in FIG. 4, the frame 10 is formed by bending a strip-shaped steel plate and is mounted along the hanging edge 6c of the mounting base 6 and a substantially cross-section key formed at the lower end of the mounting web 10a. It is composed of a lower protruding edge 10e and an upper protruding edge 10c formed at the upper end of the mounting web 10a, and a groove portion 10f into which the weather strip 12 can be fitted is formed between the upper and lower protruding edges 10c and 10e. Is formed in a substantially C-shaped cross section.

Further, the mounting web 10a is provided with locking claws 10b, 10b, ... In a horizontal cut-out shape at intervals corresponding to the cut grooves 6d, 6d, formed in the mounting base 6.

Furthermore, at the tip of the upper edge 10c of the frame 10,
A fitting convex portion 10d that can be fitted into the curved concave portion 8 formed on the mounting base 6 is formed.

The weather strip 12 is fitted along the groove 10f of the frame 10 formed as described above.

The weather strip 12 is formed by extrusion extrusion of elastic rubber, sponge rubber, or the like.
A substantially strip-shaped lip base 12a that can be fitted to 10f is integrally formed with lips 12b, 12b having a substantially tongue-shaped cross section that extends obliquely from the one side surface of the lip base 12a substantially parallel to the drawing.

The weather strip 12 formed in this manner has its lip base 12a fitted in the groove 10f, and the upper and lower projecting edges.
It is crimped by 10c and 10e.

Prior to mounting the weather strip assembly B configured as described above on the mounting base 6, as shown in FIG. 3, the end 4a of the outer skin 4 of the outer skin material 5 is further extended from the upper end edge 3a of the cushion pad 3. Extend and mount base 6
Is attached to the depending edge 6c along the upper surface of the. The terminal 4a is formed with a cut so that the locking claw 10b can be inserted therethrough.

Next, the procedure for attaching the weather strip assembly B configured as described above to the door trim sub-assembly A will be described with reference to FIGS. 5 (a) to 5 (c). 10d is fitted into a curved concave portion 8 formed in the mounting base 6 of the door trim subassembly A, and each locking claw
10b is positioned in front of the cut groove 6d, and the weather strip assembly B is rotationally moved to the left in the drawing around this fitting portion as a center (see FIG. 5 (a)).

Next, the weather strip assembly B is pressed against the mounting base 6 while inserting the locking claws 10b into the cut grooves 6d and sandwiching the end 4a of the skin 4, and in this state, the locking claws 10b are cut into the cut grooves. Bend either side of 6d (see Fig. 5 (b)).

As described above, the weather strip assembly B is attached to the attachment base 6 and the end of the skin 4 is attached.
4a is processed (see FIG. 5 (c)).

At this time, in the weather strip assembly B, the fitting convex portion 10d is fitted into the curved concave portion 8 to restrain the vertical position or movement, and the engaging claws 10b are inserted into the cut grooves 6d. The horizontal position or movement is restricted by being bent.

From the above, the position of the weather strip assembly B relative to the door trim sub-assembly A after assembly is constant regardless of the variation in the assembly work of the weather strip assembly B, and the door trim with good appearance is stably provided. can do.

[Effect of device]

With the above-described configuration of the present invention, since the weather strip assembly is attached with its vertical position constrained, the vertical position of the door trim sub-assembly is fixed, and the door trim with a good finished appearance is obtained. Can be

[Brief description of drawings]

1 to 5 relate to the present invention, FIG. 1 is an overall perspective view of a door trim, FIG. 2 is a view taken in the direction of arrow II of FIG. 1, FIG. 3 is a view taken in the direction of arrow II of a door trim sub-assembly, and FIG. The figure is a perspective view of the weather strip assembly, and FIG.
(C) is a partial cross-sectional explanatory view, FIG. 6 is an overall perspective view of a conventional door trim, FIG. 7 is a VII arrow view of FIG. 6, and FIG.
FIG. 8A is a perspective view of a conventional weatherstrip assembly, FIG. 8B is a perspective view of only its frame, and FIG. 9 is a sectional view taken along line IX-IX in FIG. A: Door trim sub-assembly B: Weather strip assembly 2,50 ... Trim board 5, 51 ... Skin material 3, 52 ... Cushion pad 6, 54 ... Mounting base 8 ... Curved recess 10, 55 ... … Frame 10d …… Mating protrusions 10b, 55f …… Locking claws 12,56 …… Weather strips 12a, 56a …… Lip bases 12b, 56b …… Lip 57 …… Mole 58 …… Gap

Claims (1)

[Scope of utility model registration request] 1. A door trim structure for an automobile, wherein a weather strip assembly is attached to a door trim sub-assembly comprising a skin material, a trim board, and a mounting base for attaching the weather strip assembly, wherein the mounting base is the trim board. And a mounting edge projecting from the upper edge of the hanging edge to the trim board side and a projecting edge projecting to the mounting side of the weatherstrip assembly, and the projecting edge. The vehicle door trim structure has a structure in which a tip end portion of the above is folded back to form a curved concave portion and a fitting convex portion which can be fitted into the curved concave portion is formed at an upper end edge of the weather strip assembly.