JP2001130341A - Joint structure of pillar trim with side trim - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint structure between a pillar trim and a side trim that can prevent a clearance a stop from occurring in a joint portion between the pillar trim and the side trim and keep appearance design of the joint portion well. SOLUTION: A mounting flange 11 having a mounting hole 12 is formed on the pillar trim 10 projectingly toward a rear side trim 20 side, a locking member 21 having a reinforcing box structure provided on the rear surface of a waist portion 20a of the rear side trim 20 is engaged with the mounting hole 11, and thus pulls the waist portion 20a of the rear side trim 20 strongly and fixes to the rear pillar trim 10. Otherwise, an insertion flange 13 of the rear pillar trim 10 is engaged and fixed into an engaging box 23 having a reinforcing function provided on the rear surface of the waist portion 20a of the rear side trim 20 to prevent the deformation of the waist portion 20a of the rear side trim 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure between a pillar trim and a side trim, and in particular, to reliably prevent deformation of the side trim and to provide a beautiful appearance over a long period of time at the joint between the pillar trim and the side trim. The present invention relates to a joint structure between a pillar trim and a side trim that can be maintained at a low temperature.

[0002]

2. Description of the Related Art FIG. 6 shows a joint portion between a rear pillar trim 1 and a rear side trim 2 which are installed in a rear side wall of a vehicle. It is composed of a press-formed body, is installed on the side wall panel of the car body,
It has a function to improve the beauty of the cabin and to protect the occupants' safety.

[0003] As for the structure of the joint between the rear pillar trim 1 and the rear side trim 2, as shown in FIG. 7, a flange 3 is formed on the rear pillar trim 1 so as to project toward the rear side trim 2. At a substantially central portion of the flange 3, a rectangular mounting hole 4 is formed.

On the other hand, the waist portion 2 of the rear side trim 2
a, a back rib 5 is provided on the rear surface corresponding to the mounting hole 4 of the flange 3, and when the rear pillar trim 1 and the rear side trim 2 are assembled on the side wall of the vehicle body, as shown in FIG. Are inserted into the mounting holes 4 of the flange 3 to achieve the matching of the two.

That is, it is possible to prevent the occurrence of a gap at the joint (indicated by the symbol a in FIG. 6) between the rear pillar trim 1 and the rear side trim 2 so that the regulation along the longitudinal direction of the vehicle and the regulation in the vertical direction can be performed. What they do is the fact.

[0006]

However, in the conventional joint structure of the rear pillar trim 1 and the rear side trim 2, since the contact rib 5 is inserted into the mounting hole 4 of the flange 3, the rear side trim 2 8 easily deforms in the direction indicated by the arrow A in FIG. 8, and this deformation cannot be reliably stopped by the contact rib 5, and there is a step in the joint a between the rear pillar trim 1 and the rear side trim 2. This causes a problem that the appearance is significantly deteriorated.

Further, since the rear side trim 2 has a die-cutting direction in the direction of arrow B in FIG. 8, the shape of the contact rib 5 is restricted in die-cutting.
If a strong contact rib 5 is formed with a large landing area, a sink occurs on the surface of the product, so that a strong stopping mechanism cannot be set.

The present invention has been made in view of such circumstances, and in a joint structure between a pillar trim and a pillar side trim installed adjacent to a vehicle body side wall, particularly, deformation of a waist portion in the side trim can be minimized. It is an object of the present invention to provide a joint structure between a pillar trim and a side trim that can maintain the appearance of the joint between the pillar trim and the side trim beautifully over a long period of time.

[0009]

Means for Solving the Problems To achieve the above object, an invention according to claim 1 of the present application is a joint structure between a pillar trim and a side trim installed adjacent to a side wall of a vehicle body. A flange having a mounting hole is formed so as to protrude toward the side trim side, and on the back surface of the waist portion of the side trim, a locking claw is provided at a tip, and a locking member forming a reinforcing box structure is formed. When the pillar trim and the side trim are assembled, the side trim's locking claw is engaged with the upper edge of the pillar trim's mounting hole, thereby restricting the waist of the side trim from being deformed upward and toward the interior of the vehicle. Features.

Here, the box-shaped locking member can be easily formed integrally by attaching a slide core to a side trim forming die.

According to the first aspect of the present invention,
Compared to the strength of the hitherto adopted ribs, a locking member with a reinforcing box structure is adopted.If this locking member is engaged and fixed to the mounting hole of the flange of the pillar trim, the waist of the side trim is attached to the pillar trim. It can be reliably pulled into and fixed to the flange, and the deformation directed upward and toward the vehicle interior can be reliably prevented.

According to a second aspect of the present invention, there is provided a joint structure between a pillar trim and a side trim installed adjacent to a side wall of a vehicle body, and a flange for insertion is formed on the pillar trim so as to project toward the side trim. At the same time, a fitting box having a reinforcing function is formed at a position corresponding to the insertion flange on the back surface of the waist portion of the side trim, and the insertion flange of the pillar trim is inserted into the fitting box of the side trim. By being fitted and fixed, the waist portion of the side trim is restricted from being deformed upward and toward the vehicle interior.

[0013] Here, if the fitting box has an opening with respect to the insertion flange of the rear pillar trim, which is the mating side, desired rigidity can be obtained by the box having a reinforcing function, and the insertion flange is formed into a bifurcated shape. Set to
If a reinforcing rib is provided at the center of the fitting box, the rigidity can be further enhanced.

According to the second aspect of the present invention,
The fitting box formed on the back side of the waist of the side trim has strong rigidity, and if the flange for inserting the pillar trim is inserted into this fitting box,
The pillar trim and the side trim are firmly integrated, so that the waist portion of the rear side trim is not deformed upward or toward the interior of the vehicle as compared with the conventional insertion structure of the contact rib.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which a joint structure of a pillar trim and a side trim according to the present invention is applied to a rear pillar trim and a rear side trim provided on the rear side of a vehicle will be described below.

FIGS. 1 to 3 show a first embodiment of the present invention. FIG. 1 is a perspective view showing a joint between a rear pillar trim and a rear side trim. FIG. 2 is a mounting structure of a rear pillar trim and a rear side trim. FIG. 3 is a sectional view showing a joint structure between a rear pillar trim and a rear side trim. 4 and 5 show a second embodiment of the present invention. FIG. 4 is an explanatory view showing an attachment structure between a rear pillar trim and a rear side trim. FIG. 5 is a diagram showing a joint structure between the rear pillar trim and the rear side trim. FIG.

1 to 3, a rear pillar trim 10 and a rear side trim 2 installed on the side wall of the vehicle body are shown.
0 is a rear pillar trim made of a general-purpose synthetic resin material such as polypropylene (PP) resin or ABS resin.
Is formed into a desired curved shape by injection molding, and the rear side trim 20 is formed into a desired curved shape by mold press molding.

The present invention is characterized by a joint structure between the rear pillar trim 10 and the rear side trim 20. In particular, the deformation of the waist portion 20a in the rear side trim 20 can be reliably suppressed.
It is an object to maintain a beautiful room appearance over a long period of time by preventing a step or a gap from occurring at a joint a between the rear trim 20 and the rear side trim.

As shown in FIG. 2, the mounting structure of the rear pillar trim 10 and the rear side trim 20 is such that a mounting flange 11 projects from the rear pillar trim 10 toward the rear side trim 20 side. A rectangular mounting hole 12 is formed substantially at the center of the flange 11. Note that the mounting flange 11 has a stepped portion at which a mounting hole 12 is opened in order to engage a locking member 21 of a rear side trim 20 described later.

On the other hand, on the back surface of the waist portion 20a of the rear side trim 20, a locking member 21 having a reinforcing box structure is integrally formed at a position corresponding to the mounting flange 11. The locking member 21 is a rear side trim 2
The reinforcement box 21a, which is integrated in a box shape on the back surface of the waist 20a, and the locking portion 21 connected thereto
and a locking claw 22 having a width slightly smaller than the width of the mounting hole 12 of the rear pillar trim 10 is provided at the tip of the locking portion 21b.

The locking member 21 is provided on the rear side trim 2.
At the time of mold press molding of No. 0, it is formed by the slide core provided on the mold press molding die, and if the mold removal direction of the slide core is provided in the P direction in FIG. There is no restriction, a large landing area between the rear side trim 20 and the locking member 21 can be secured, and strong rigidity can be maintained by adopting the reinforcing box structure.

When the rear pillar trim 10 and the rear side trim 20 are assembled, as shown by the arrow in FIG. 2, the locking claw 22 provided at the tip of the locking member 21 is attached to the mounting flange 11 of the rear pillar trim 10. If it is engaged in the mounting hole 12, as shown in FIG. 3, the engaging claw 22 is engaged with the upper edge 12a of the mounting hole 12, so that the waist portion 20a of the rear side trim 20 (particularly, deformation is likely to occur). Portion) is to be pulled into and fixed to the mounting flange 11 of the rear pillar trim 10, in particular, the locking member 21 is provided with a reinforcing structure and the upper edge 12 a of the mounting hole 12 is engaged with the locking member 21. Since the stop claw 22 is engaged, the waist portion 20a is not deformed in the X and Y directions in FIG. 3, that is, in the upward direction and the inside of the room, so that the rear pillar trim 10 and the rear No gap or step is formed on the junction line between Idotorimu 20 can be maintained always beautiful appearance.

FIGS. 4 and 5 show a second embodiment of the present invention. In this second embodiment, the rear pillar trim 10 has a bifurcated insertion flange 13.
Are formed so as to project toward the rear side trim 20, and the rear side trim 20 has a fitting box 23 in which the forked insertion flange 13 can be fitted.
Is provided on the back surface of the waist portion 20a.

In the fitting box 23, FIG.
By setting the die removal direction of the slide core in the direction of the middle arrow P, the slide core can be easily formed on the back surface of the waist portion 20a of the rear side trim 20, and a large landing area with the rear side trim 20 can be ensured even in the fitting box 23. , Strong rigidity can be maintained.

The rear pillar trim 10 is provided on the side wall of the vehicle body.
In addition, before the rear side trim 20 is assembled, as shown in FIG. 5, by inserting and fixing the insertion flange 13 in the fitting box 23, a step or a gap is generated at a boundary portion between the rear pillar trim 10 and the rear side trim 20. Instead, they can be attached to the side wall of the vehicle while maintaining a beautiful alignment. In addition, the insertion flange 13
In this embodiment, a bifurcated one is used, but a single insertion flange 13 is used, and a fitting box 23 is used.
It is also possible to adopt a U-shaped cross section.

[0026]

As described above, according to the joint structure of the pillar trim and the side trim according to the present invention, the reinforcing box structure provided on the back surface of the waist portion of the side trim in the mounting hole of the mounting flange provided on the pillar trim. The locking member provided is engaged or the pillar trim is provided with an insertion flange, and the insertion flange is inserted and fixed in a fitting box provided on the back of the waist portion of the side trim. The rigidity of the mounting part can be strengthened, and the waist of the side trim, which tends to be deformed, does not bend upward or to the inside of the vehicle interior, and there is no gap or step at the joint between the pillar trim and the side trim. This has the effect of effectively preventing the trim and maintaining the appearance of the joint between the trims beautifully over a long period of time.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of the present invention, and is a perspective view showing a joint between a rear pillar trim and a rear side trim.

FIG. 2 is an explanatory view showing a mounting structure of a rear pillar trim and a rear side trim shown in FIG. 1;

FIG. 3 is a sectional view showing a joint structure between a rear pillar trim and a rear side trim shown in FIG. 1;

FIG. 4 is a perspective view showing a second embodiment of the present invention and showing a joint between a rear pillar trim and a rear side trim.

FIG. 5 is a sectional view showing a joint structure between a rear pillar trim and a rear side trim shown in FIG. 4;

FIG. 6 is a perspective view showing a joining portion between a conventional rear pillar trim and a rear side trim.

FIG. 7 is an explanatory view showing a conventional mounting structure of a rear pillar trim and a rear side trim.

FIG. 8 is a sectional view taken along line VIII-VIII in FIG.

[Explanation of symbols]

 Reference Signs List 10 rear pillar trim 11 mounting flange 12 mounting hole 13 insertion flange 20 rear side trim 20a waist 21 locking member 21a reinforcing box 21b locking portion 22 locking claw 23 fitting box

Claims (2)

[Claims] 1. A joint structure of a pillar trim (10) and a side trim (20) installed adjacent to a side wall of a vehicle body, wherein the pillar trim (10) includes a flange (11) having an attachment hole (12). A protrusion is formed toward the trim (20) side, and a locking claw (22) is provided at the tip on the back surface of the waist portion (20a) of the side trim (20).
A locking member (21) forming a reinforcing box structure is formed, and a pillar trim (10) and a side trim (20) are provided.
At the time of assembling, the locking claw (22) of the side trim (20)
The upper edge (12) of the mounting hole (12) of the pillar trim (10)
a joint structure between a pillar trim and a side trim, wherein the waist portion (20a) of the side trim (20) is restricted from being deformed upward and inward in the vehicle cabin by engaging with (a). 2. A joint structure of a pillar trim (10) and a side trim (20) installed adjacent to a vehicle body side wall, wherein the pillar trim (10) has a side trim (20).
An insertion flange (13) is formed so as to project toward the side, and the insertion flange (13) is provided on the back surface of the waist portion (20a) of the side trim (20).
Fitting box (2)
3) is formed, and the flange (13) for inserting the pillar trim (10) is fitted and fixed in the fitting box (23) of the side trim (20), so that the waist portion (20) of the side trim (20) is formed. 20a) The joint structure between the pillar trim and the side trim, wherein deformation of the pillar trim and the side trim is restricted in the upward direction and in the vehicle interior direction.