JP2008087613A - Roof molding mounting structure for automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a roof molding mounting structure for an automobile capable of enhancing working efficiency of coating work of a sealer. <P>SOLUTION: In the roof molding mounting structure for the automobile, lower side level difference surface parts 8, 9 of a side end of a roof panel and an upper end 7 of a side body outer panel 6 are superposed/fixed to each other to form a roof molding mounting groove 2, the joint end edge 10 of the lower side level difference surface parts 8, 9 is coated with the sealer 11, and a roof molding 3 provided with a lid part 13 is fitted to the roof molding mounting groove 2. An engagement part 17 is provided on an end 3A in a longitudinal direction of the roof molding 3 so as to be deviated to one side in a width direction relative to a center O2 in the width direction of the roof molding 3. A part 18 to be engaged is mounted to a bottom wall 19 of the end 2A in the longitudinal direction of the roof molding mounting groove 2 so as to be deviated to one side in the width direction relative to a center O1 in the width direction of the roof molding mounting groove 2, and the engagement part 17 is engaged with the part 18 to be engaged. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

The present invention
The side end portion of the roof panel and the upper end portion of the side body outer panel are bent downward in two steps, respectively, and the side step portion and the lower step surface portion of the upper end portion are overlapped and fixed in the vehicle longitudinal direction. Form a roof molding mounting groove along the
Apply a sealer to the joining edge between the lower step surfaces,
A lid portion that is located above the step surface of the intermediate portion in the vertical direction of the roof molding mounting groove; a backbone portion that projects downward from the back side of the lid portion; and a lip portion that projects from the backbone portion to both sides in the width direction. The provided roof molding is fitted into the roof molding mounting groove, and the lip portion is brought into pressure contact with the inner side surface of the upper roof molding mounting groove portion located below the step surface of the intermediate portion in the vertical direction. The present invention relates to an automobile roof molding mounting structure.

As an example of the above-mentioned automobile roof molding mounting structure, there is a technique disclosed in Patent Document 1. In this type of automobile roof molding mounting structure, an engaging portion provided at the longitudinal end of the roof molding and a clip as an engaged portion mounted on the bottom wall of the longitudinal end of the roof molding mounting groove Conventionally, the center in the width direction of the engaging portion is matched with the center in the width direction of the roof molding, and the center in the width direction of the clip is matched with the center in the width direction of the roof molding mounting groove. there were.
JP-A-10-76886

However, when the width of the roof molding mounting groove is reduced due to the design of the automobile, the center of the engaging portion in the width direction is the center of the width direction of the roof molding and the width direction of the clip is the same as in the conventional technique. In the structure in which the center is aligned with the center in the width direction of the roof molding mounting groove, the top surface position of the bottom wall of the roof molding mounting groove for fixing the clip as the engaged portion (in the width direction of the roof molding mounting groove) The sealer easily protruded near the center. Since the clip cannot be attached if the sealer protrudes at the clip fixing position on the upper surface of the bottom wall, the operator must perform the application work with care so that the sealer does not protrude from the upper surface of the bottom wall. It was falling. Further, if the sealer protrudes from the upper surface of the bottom wall, there is a problem that the wiping operation of the sealer is required and the working efficiency is further reduced.
An object of the present invention is to provide an automobile roof molding mounting structure capable of improving the work efficiency of the sealer coating operation, and further to provide a reliable roof molding mounting structure.

The feature of the present invention is that
In the automobile roof molding mounting structure described in the [Technical Field] section at the beginning,
An engagement portion is provided at an end portion in the longitudinal direction of the roof molding so as to be shifted to one side in the width direction with respect to the position of the trunk portion in the width direction of the roof molding, and the longitudinal direction of the roof molding mounting groove The engaged portion is attached to the bottom wall of the end portion while being shifted to one side in the width direction with respect to the width direction center of the roof molding mounting groove, and the engaging portion is engaged with the engaged portion. It is in a certain point. (Claim 1)

  According to this configuration, the engagement portion is provided at the longitudinal end portion of the roof molding so as to be shifted to one side in the width direction with respect to the position of the backbone portion in the width direction of the roof molding, and the roof molding mounting Since the engaged portion is mounted on the bottom wall of the end portion in the longitudinal direction of the groove while being shifted to one side in the width direction with respect to the width direction center of the roof molding mounting groove, the bottom wall of the roof molding mounting groove Of the upper surface, the engaged portion can be attached to the upper surface portion away from the sealer application portion (the joining edge portion) in the width direction of the roof molding attachment groove. As a result, the operator's attention to prevent the sealer from protruding from the upper surface of the bottom wall can be reduced, and the sealer is less likely to protrude from the upper surface part, making it easy to eliminate the wiping work of the sealer. Can do. Further, it is possible to prevent the roof molding from being attached to the roof molding mounting groove in the reverse direction, and the right and left roof moldings can be mistakenly attached to the roof molding mounting groove.

In the present invention,
The lower step surface portion of the side end portion of the roof panel is overlapped and fixed to the lower step surface portion of the upper end portion of the side body outer panel from above, and the joining edge portion is set to the width direction center of the roof molding mounting groove. To shift the position to the side body outer panel side,
When the engaged portion and the engaging portion are displaced to the roof panel side with respect to the center in the width direction of the roof molding mounting groove, the following effects can be achieved. (Claim 2)

Of the upper surface of the bottom wall of the roof molding mounting groove, it is engaged with the top surface part away from the sealer application part (the joint edge) in the width direction of the roof molding mounting groove, that is, the lower step surface part on the roof panel side. Can install part. As a result, the operator's attention to prevent the sealer from protruding from the upper surface of the bottom wall can be reduced, and the sealer is less likely to protrude from the upper surface part, making it easy to eliminate the wiping work of the sealer. Can do.
In addition, the roof molding is attached to the roof molding mounting groove in a slightly twisted state depending on the shape of the roof portion of the automobile, and further bent. However, according to the above configuration of the present invention, the engaged portion and the engaging portion are arranged on the roof panel side with respect to the center in the width direction of the roof molding mounting groove. Since the vehicle is arranged at a position shifted to the center in the left-right direction of the vehicle, it is possible to easily prevent the end of the roof molding in the longitudinal direction from being lifted and to prevent the roof molding from coming off.

In the present invention,
The engaged portion is formed in an upper open groove shape that is long in the longitudinal direction of the roof molding mounting groove, and is engaged with the engaging portion from above on tops of both side walls of the engaged portion. Forming each part,
Without providing the trunk portion and the lip at the longitudinal end of the roof molding, the engagement portion protrudes downward from the back side of the lid portion and extends in the longitudinal direction of the roof molding, Further, the engaging portion is formed from an engaging main body portion that enters the engaged portion, and a protruding portion that protrudes from the engaging main body portion on both sides in the width direction and engages the return portion from below. In this case, the engaging portion can be easily and firmly engaged with the engaged portion. (Claim 3)

In the present invention,
A vertical wall projecting downward from the lid portion is provided on the center side in the longitudinal direction of the roof molding with respect to the engagement portion so as to extend along the longitudinal direction of the roof molding. If the engaging portion is supported by the vertical wall by integrally connecting to the engaging portion via an inclined wall inclined with respect to the longitudinal direction, the engaging portion is reinforced by the vertical wall. Thus, the engaging portion can be stably engaged with the engaged portion. (Claim 4)

  Therefore, according to the present invention, it is possible to provide an automobile roof molding mounting structure that can increase the work efficiency of the application operation of the sealer.

  Hereinafter, the best mode for carrying out the present invention will be described with reference to the drawings. FIG. 1 shows an automobile 100 having a roof molding mounting structure of the present invention, and roof molding mounting grooves 2 along the vehicle longitudinal direction to which the roof molding 3 is mounted are formed on both the left and right sides of the roof portion 1 of the automobile 100, respectively. It is. The left and right roof molding mounting grooves 2, the left and right roof moldings 3, and the mounting structures of the left and right roof moldings 3 are symmetrical structures. As shown in FIG. 2, the roof molding mounting groove 2 bends the side end portion 5 of the roof panel 4 and the upper end portion 7 of the side body outer panel 6 downward in a two-step manner, respectively. 5 and the lower stepped surface portions 8 and 9 of the upper end portion 7 (second stepped surface portions from the top) are overlapped and fixed.

  Specifically, the lower step surface portion 8 of the side end portion 5 of the roof panel 4 is overlapped with the lower step surface portion 9 of the upper end portion 7 of the side body outer panel 6 from above, and the lower step surface portions 8 and 9 are spot-welded to each other. It is fixed. The joint edge 10 (the edge of the roof panel 4) between the lower stepped surfaces 8 and 9 is shifted from the center O1 of the roof molding mounting groove 2 on the side body outer panel 6 side. Has been. The joint edge 10 is coated with a sealer 11 for preventing water leakage.

  The roof molding 3 is fitted into the roof molding mounting groove 2. The roof molding 3 includes a lid portion 13 that is located above a step surface 12 (a first step surface from the top) in the middle in the vertical direction of the roof molding mounting groove 2, and a backbone that projects downward from the back side of the lid portion 13. It comprises a soft member having a portion 14 and a lip portion 15 projecting from the lower end of the trunk portion 14 to both sides in the width direction, and having a flexible core metal embedded in the center of a polyvinyl chloride material or an ABS resin material.

  FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1 and shows a state in which the roof molding 3 is attached to the roof molding mounting groove 2 near the center in the longitudinal direction. The lid portion 13 is in contact with the stepped surface 12 from above and covers the roof molding mounting groove portion 16 below the stepped surface 12. The roof molding mounting groove portion 16 is formed so as to be narrowed, and the lip portion 15 is in pressure contact with both inner side surfaces 16N thereof. As a result, the roof molding 3 is difficult to come off from the roof molding mounting groove portion 16. As shown in FIG. 3, the lip portion 15 is in an obliquely upward posture in which both left and right end portions approach the lid portion 13 before being fitted into the roof molding mounting groove 2. As shown in FIG. 2, after being fitted into the roof molding mounting groove 2, the inclination angle of the above posture is increased, and the lip portion 15 is in the width direction (groove width direction) with respect to the roof molding mounting groove portion 16. It is hard to come off because it is in a state of being stretched. The lip portions 15 projecting from the lower end portion of the trunk portion 14 to both sides in the width direction are formed symmetrically with respect to the trunk portion 14, and therefore the trunk portion 14 is formed in the width direction of the roof molding mounting groove portion 16. The position of the width direction of the roof molding 3 can be easily positioned. FIG. 3 is a reverse view of the vicinity of the front end 3A (end on the vehicle front side) of both ends in the longitudinal direction of the roof molding 3, but the rear end 3B (end on the vehicle rear side) of the roof molding 3 is shown. 3 is substantially the same structure as FIG. 3 and is not shown because it is expressed almost the same as FIG. 3 (refer to FIG. 3 for the structure of the rear end portion 3B of the roof molding 3 hereinafter).

  Next, a structure for mounting the both ends 3A, 3B in the longitudinal direction of the roof molding 3 to the roof molding mounting groove 2 will be described. As shown in FIGS. 3 to 5, a pair of front and rear engagements projecting downward from the back side of the lid portion 13 without providing the base portion 14 and the lip portion 15 at the longitudinal ends 3 </ b> A and 3 </ b> B of the roof molding 3. The joint portion 17 is provided in a state extending in the longitudinal direction of the roof molding 3. 4 and 5 show the mounting structure of the roof molding 3 on the left side of the vehicle, unlike FIG. 4 is a cross-sectional view taken along the line BB in FIG. 1, and the engaging portion 17 of the roof molding 3 is a cross-sectional view taken along the line HH in FIG. FIG. 5 is a cross-sectional view taken along the line CC in FIG. 1, and the engaging portion 17 of the roof molding 3 is taken along the line JJ in FIG. (The engagement part 17 shown in FIG. 3 is a JJ sectional view of the engagement part 17 on the opposite side in the longitudinal direction of the roof molding 3).

  As shown in FIGS. 4 and 5, a pair of front and rear clips 18 (corresponding to engaged portions) are attached to the bottom walls 19 of the longitudinal ends 2A and 2B of the roof molding mounting groove 2 with a double-sided tape 21. It is attached via. The engaging portion 17 is formed so as to be displaced (offset) at a position biased to the roof panel 4 side (corresponding to one side in the width direction) with respect to the center O2 in the width direction of the trunk portion 14 of the roof molding 3. The clip 18 is also arranged at a position shifted from the center O1 in the width direction of the roof molding mounting groove 2 at a position biased to the roof panel 4 side (corresponding to one side in the width direction). The engaging portion 17 is engaged with the clip 18. The pair of front and rear clips 18 and the pair of front and rear engaging portions 17 have the same structure. Reference numeral 25 in FIG. 5 denotes a reinforcing hose panel.

  The clip 18 is formed in an upper open groove shape that is long in the longitudinal direction of the roof molding mounting groove 2, and a return portion 20 that engages with the engaging portion 17 from above is formed on the top of both side walls 18S of the clip 18. It is. The lengths of the engaging portion 17 and the clip 18 in the longitudinal direction are substantially the same. The engaging portion 17 includes an engaging main body portion 17H that enters the clip 18, and a protruding portion 17D that protrudes from the engaging main body portion 17H on both sides in the width direction and engages with the return portion 20 from below. It is.

  As shown in FIG. 3, a longitudinal wall 22 projecting downward from the center in the width direction of the lid portion 13 is provided on the inner side J1 in the longitudinal direction of the roof molding 3 with respect to the engagement portion 17. It is provided in a state extending in the direction. The vertical wall 22 is integrally connected to the engaging portion 17 via the inclined wall 23 inclined with respect to the longitudinal direction of the roof molding 3, so that the vertical wall 22 supports the engaging portion 17. The vertical wall 22 and the backbone portion 14 have substantially the same width, and in this embodiment, the vertical wall 22 and the backbone portion 14 are spaced apart in the longitudinal direction of the roof molding 3, but the vertical wall 22 and the backbone portion 14 are covered. It can also be formed at the same position in the width direction of the portion 13 and linked together. Reference numeral 24 denotes a fillet hole. Moreover, the cover 26 for making the inside of the roof molding attachment groove | channel 2 invisible from the front-back direction is provided in the both ends edge of the longitudinal direction of the roof molding 3 integrally.

  The roof molding portion other than both end portions 3A and 3B of the roof molding 3 provided with the engaging portion 17 and the vertical wall 22 is extruded. Then, both end portions 3A and 3B of the roof molding 3 provided with the engaging portion 17 and the vertical wall 22 are integrally formed by injection molding with respect to an extruded product.

Car perspective view AA sectional view of FIG. Perspective view of the roof molding viewed from below It is BB sectional drawing of FIG. 1, and about the engaging part of a roof molding, HH sectional drawing of FIG. 1 is a cross-sectional view taken along a line CC in FIG. 1 and a cross-sectional view taken along a line JJ in FIG.

Explanation of symbols

2 Roof molding mounting groove 2A, 2B Longitudinal end portion of roof molding mounting groove 3 Roof molding 3A, 3B Longitudinal end portion of roof molding 4 Roof panel 5 Side end portion of roof panel 6 Side body outer panel 7 Side body outer panel Upper end part 8 Lower step surface part (Lower step surface part of the side end part of the roof panel)
9 Lower step surface (lower step surface on the upper end of the side body outer panel)
10 Joining edge portion 11 Sealer 12 Step surface (Step surface in the middle in the vertical direction of the roof molding mounting groove)
13 Lid portion 14 Base portion 15 Lip portion 16 Upper narrow roof molding mounting groove portion 16N Inner side surface 17 Engagement portion 17H Engagement body portion 17D Overhang portion 18 Engaged portion (clip)
18S side wall (side wall of engaged part)
19 Bottom wall (bottom wall at the end in the longitudinal direction of the roof molding mounting groove)
20 Return portion 22 Vertical wall 23 Inclined wall O1 Width direction center O2 of roof molding mounting groove J1 width direction center J1 of roof molding

Claims (4)

The side end portion of the roof panel and the upper end portion of the side body outer panel are bent downward in two steps, respectively, and the side step portion and the lower step surface portion of the upper end portion are overlapped and fixed in the vehicle longitudinal direction. Form a roof molding mounting groove along the
Apply a sealer to the joining edge between the lower step surfaces,
A lid portion that is located above the step surface of the intermediate portion in the vertical direction of the roof molding mounting groove; a backbone portion that projects downward from the back side of the lid portion; and a lip portion that projects from the backbone portion to both sides in the width direction. The provided roof molding is fitted into the roof molding mounting groove, and the lip portion is brought into pressure contact with the inner side surface of the upper narrow roof molding mounting groove located below the step surface of the intermediate portion in the vertical direction. An automobile roof molding mounting structure,
An engagement portion is provided at an end portion in the longitudinal direction of the roof molding so as to be shifted to one side in the width direction with respect to the position of the trunk portion in the width direction of the roof molding, and the longitudinal direction of the roof molding mounting groove The engaged portion is attached to the bottom wall of the end portion while being shifted to one side in the width direction with respect to the width direction center of the roof molding mounting groove, and the engaging portion is engaged with the engaged portion. The roof roof mounting structure of an automobile. The lower step surface portion of the side end portion of the roof panel is overlapped and fixed to the lower step surface portion of the upper end portion of the side body outer panel from above, and the joining edge portion is set to the width direction center of the roof molding mounting groove. To shift the position to the side body outer panel side,
The roof molding mounting structure for an automobile according to claim 1, wherein the engaged portion and the engaging portion are displaced toward the roof panel side with respect to the center in the width direction of the roof molding mounting groove. The engaged portion is formed in an upper open groove shape that is long in the longitudinal direction of the roof molding mounting groove, and is engaged with the engaging portion from above on tops of both side walls of the engaged portion. Forming each part,
Without providing the trunk portion and the lip at the longitudinal end of the roof molding, the engagement portion protrudes downward from the back side of the lid portion and extends in the longitudinal direction of the roof molding, Further, the engaging portion is formed from an engaging main body portion that enters the engaged portion, and a protruding portion that protrudes from the engaging main body portion on both sides in the width direction and engages the return portion from below. The roof molding mounting structure for an automobile according to claim 1 or 2.   A vertical wall projecting downward from the lid portion is provided on the center side in the longitudinal direction of the roof molding with respect to the engagement portion so as to extend along the longitudinal direction of the roof molding. 4. The roof molding mounting structure for an automobile according to claim 3, wherein the engaging portion is supported by the vertical wall by being integrally connected to the engaging portion via an inclined wall inclined with respect to the longitudinal direction of the vehicle. .

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