JPH03224843A - Welt fitting structure - Google Patents

Abstract

PURPOSE:To keep good appearance even in occurrence of a stepped part by extending the outer panel side leg of legs as a pair in a welt body for clamping the joint flanges of each outer and inner panel, and making the tip of the outer panel side leg come in contact with the outer panel. CONSTITUTION:Respective joint flanges 3 and 5 are formed at the forward ends of outer and inner panels 1 and 4 corresponding to a weather strip, and jointed to each other, thereby forming a joint flange 6 and a side roof rail as a whole. In addition, a rubber welt 2 is fitted to the joint flange 6. In this case, the outer panel side leg 21 of legs 21 and 22 as a pair in a welt body 10 for clamping the joint flange 6, is so formed as to have a larger length than the inner panel side leg 22 by the predetermined length L. In addition, the forward end of the outer panel side leg 21 is made to come in contact with the outer panel 1.

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a welt attachment structure, for example, a welt attachment structure suitable for use in a joint flange portion between an outer panel and an inner panel of a side roof rail. .

<Conventional technology> Conventional welt mounting structures include, for example, those shown in Figures 4 to 6.
There is something like the one shown in the figure [Service rotation No. 588]
(Refer to page D-16 of Nissan Motor Co., Ltd., published in 1986)]
.

The example shown in FIG. 5 shows details of the cross section taken along line V-v in FIG. In the figure, an outer panel 1 exposed to the outside corresponds to a weather strip 2 provided at the upper end of the door, indicated by a chain double-dashed line in the figure.
A mounting flange 3 bent at a substantially right angle is provided at the tip of the outer panel l. Further, a similarly bent mounting flange portion 5 is provided at the tip of the inner panel 4, and when the mounting flange portion 5 of the inner panel 4 and the mounting flange portion 3 of the outer panel 1 are overlapped, The joint flange portion 6 is formed by spot welding, and the side roof rail is formed as a whole.

A rubber welt 7 is attached to this joint flange portion 6. This welt 7 includes a welt body IO having a U-shaped cross section and consisting of a pair of legs 8 and 9 of equal length, an inner lip 11 as a locking claw provided inside this welt body IO, and a side The outer lip 13 corresponds to the end of the garnish 12. The welt body 10 has a U-shaped cross section.
A spring member 14 is embedded inside as a core member, and the inner lip 11 is pressed against the joining flange portion 6 by the biasing force of the spring member 14.

As a result, the legs 8 and 9 of the welt 7 sandwich the joining flange 6, and the welt 7 is prevented from falling off from the joining flange 6.

<Problems to be Solved by the Invention> However, in such conventional technology, since the lengths of the pair of legs 8 and 9 are equal, as shown in FIG. If the panel 4 is joined to the outer panel 1 at a position shifted downward in the figure from the normal position indicated by the two-dot chain line, the tip of the leg 9 on the inch panel 4 side will come into contact with the inner panel 4. , there is a gap 1 between the tip of the leg 8 on the outer panel l side and the outer panel l.
5. Therefore, this gap 15 was visible from the outside, which was unfavorable in terms of appearance quality.

The present invention has been made focusing on such conventional technology, and provides a welt mounting structure that does not impair the appearance even when a step is created at the joining position of the outer panel 1 and the inner panel 4. The purpose is to

<Means for Solving the Problems> In order to achieve the above object, the welt attachment structure according to the present invention makes the outer panel side leg of each leg of the welt longer than the inner panel side leg, and The tip of the leg on the outer panel side is brought into contact with the outer panel.

<Operation> When attaching the welt to the joint flange where the outer panel and inner panel are joined, push the welt until the tip of the leg on the outer panel side of the welt contacts the outer panel.

The outer panel side legs are longer than the inner panel side legs, so if the outer panel and the inner panel are joined without a step at the joint, or if the outer panel is joined with a protrusion than the inner panel, , the tips of the outer panel side legs can be brought into contact with the outer panel.

Furthermore, even if the inner panel is joined to protrude more than the outer panel, if the difference in level is smaller than the difference in length between the legs, the tips of the legs on the outer panel side will not be in contact with the outer panel. can do.

<Embodiment> A preferred embodiment of the present invention will be described below with reference to FIGS. 1 to 3. Here, parts common to the conventional example are given the same reference numerals, and redundant explanations will be omitted.

FIG. 1 shows a state in which a welt 20 is attached to a joint flange portion 6 where the outer panel 1 and the inner panel 4 are joined without any difference in level. In the welt 2o according to this embodiment, the outer panel side leg portion 21 is made longer than the inner panel side leg portion 22 by the same dimension. Therefore, with the tip end of the outer panel leg 21 in contact with the outer panel l, a gap of L is left between the tip of the inner panel leg 22 and the inner panel 4. Specifically, the above-mentioned dimension is 2 mm.

FIG. 2 shows a state in which this welt 20 is attached to another joining flange portion 6. That is, the welt 20 is attached to the joining flange portion 6 to which the inner panel 4 is joined at a position shifted by a dimension H downward from the normal position indicated by the two-dot chain line in the figure. In this case, the deviation dimension H
This is due to the shape difference between the outer panel l and the inner panel 4, which is numerically 2 mm, and when the inner panel 4 is joined to the regular size, the inner panel side leg 22
Since the relationship is the same as the above-mentioned dimension that would occur between the two legs (H=L), the tips of both legs 21 and 22 are in contact with the outer panel l and the inner panel 4, respectively.

Then, this welt 20 is further attached to another joint flange portion 6.
Figure 3 shows the state in which it is installed.

That is, the welt 20 is attached to the joining flange portion 6 where the inner panel 4 is joined with the inner panel 4 shifted upward from the normal position indicated by the two-dot chain line in the figure.

In this case, the tips of the outer panel side legs 21 are in contact with the outer panel 1, but the inner panel side legs 22 are in contact with the outer panel 1.
The tip of the inner panel 4 does not come into contact with the inner panel 4, and a gap larger than the above dimension is created.

In this way, when the amount of shift H of the inner panel 4 downward in the figure with respect to the outer panel l is larger than the set value of the difference in length between the outer panel side leg part 21 and the inner panel side leg part 22 of the welt 20. Except for (L<H), the welt 20 can be attached so that the tips of the outer panel side leg portions 21 are always in contact with the outer panel l. Therefore,
Since there is no gap at the tip of the outer panel side leg 21, the joining flange 6 is no longer visible from the outside, and the quality of the appearance is improved.

In addition, if the above-mentioned value of L is set to the value that can be considered as the maximum error when attaching the outer panel 1 and the inner panel 4, even if the attachment accuracy of the outer panel 1 and the inner panel 4 is set loosely, the outer panel side leg Since the tip of the portion 21 always comes into contact with the outer panel 1, the workability of joining the outer panel 1 and the inner panel 4 is improved. In the above description, the dimension is 2 mm, but it is not limited to this, and may be 1 mm or other dimensions.

In addition, the present invention is not limited to the above embodiments, but also includes the following modifications.

In other words, the welt 20 is not only installed to process the end of the sheet metal structure, but also to prevent damage to protrusions, attach other parts, etc. Therefore, the following also applies. That is, i) the welt body has an outer lip for weather stripping and is applied to the opening of a side door or back door as a weather strip for the land glass of a satsuri-less door; ii) it locks a terminal such as a roof head lining. 1ii) When applied to the vehicle body as a locking tool for attaching various moldings.

Further, in the above embodiment, the welt 20 was formed using a rubber material containing the spring material 14 as a core material.
The material is not limited to this, but any material can be used as long as it can apply a sufficient pressing force to clamp the joining flange portion 6. For example, resin such as plastic may be used.

Further, in the above embodiment, the structure is described in which the outer panel 1 and the inner panel 4 are attached to the joining flange portion 6 where the two panels are joined, but any number of panels may be joined.

<Effects of the Invention> Since the welt attachment structure according to the present invention has the content as explained above, even if there is a step at the joint position between the outer panel and the inner panel, the tip of the leg on the outer panel side will be attached to the outer panel. It looks good because it is in contact with the

[Brief explanation of drawings]

Fig. 1 is a sectional view showing a welt mounting structure according to an embodiment of the present invention, Fig. 2 is a sectional view showing a welt mounting structure when the inner panel is joined with a downward shift, and Fig. 3 is an inch A cross-sectional view showing a welt mounting structure when the panels are joined with an upward shift. Fig. 4 is a side view of a conventional automobile. Fig. 5 is a cross-sectional view taken along the arrow ■-v line in Fig. 4. , and FIG. 6 is a sectional view showing a welt attachment structure when the inner panel and the outer panel are joined with a misalignment. Outer panel Inner panel joining flange Welt body Welt Outer panel side leg ■ 22 Inner panel side leg lIn-

Claims (1)

[Claims] A welt consisting of at least a welt body having a U-shaped cross section and having a pair of legs is attached to the joint flange between the outer panel and the inner panel, with the joint flange being held between the pair of legs. A certain welt attachment structure is characterized in that, among the legs, the outer panel side leg is longer than the inner panel side leg, and the tip of the outer panel side leg is in contact with the outer panel. Welt mounting structure.