JP5724577B2 - Roof rack mounting structure - Google Patents

Description

  The present invention relates to a roof rack mounting structure for mounting a roof rack to a vehicle body via a roof rack bracket.

  2. Description of the Related Art Conventionally, a roof rack mounting structure for mounting a roof rack to a vehicle body via a roof rack bracket using a groove formed between the roof panel and the roof side outer panel is known (see Patent Document 1).

Japanese Utility Model Publication No. 63-93247

  By the way, the groove part of the roof rack mounting structure described above has a trapezoidal shape in which the upper side is narrower than the lower side, and a roof rack bracket having a shape matching the trapezoidal shape is fitted into the groove part in a plate shape of the roof rack. It is fastened and fixed to the lower surface of the mounting part with bolts and nuts.

  Thus, in the conventional roof rack mounting structure, although the roof rack bracket is fitted in the groove portion, it is fastened and fixed to the plate-shaped mounting portion of the roof rack, so the load resistance is not sufficient, Particularly in the longitudinal direction of the vehicle body, since a large load is applied when the vehicle is stopped, improvement is desired.

  Accordingly, an object of the present invention is to increase the load resistance of the roof rack mounting structure.

  According to the present invention, a rail accommodating portion that accommodates an upper rail to which a slide door is guided has an upper wall portion and a lower wall portion, and is formed between these wall portions, and a roof rack is formed on the upper wall portion. The roof rack bracket to which is attached is joined and fixed using at least the end joint portion of the end portion in the vehicle longitudinal direction.

  According to the present invention, the load resistance is improved as a roof rack mounting structure by bonding and fixing the roof rack bracket to the upper wall portion of the rail housing portion having the upper wall portion and the lower wall portion and having rigidity. it can. At this time, the end of the roof rack bracket in the longitudinal direction of the vehicle body is joined and fixed to the upper wall, so that the load that tends to be larger than the vehicle width direction in the longitudinal direction of the vehicle, particularly when the vehicle is stopped. It becomes effective against.

It is the perspective view seen from the vehicle body outer side of the roof rack mounting structure concerning one Embodiment of this invention. It is the perspective view seen from the vehicle body outer side of a different angle from FIG. FIG. 2 is a perspective view of a state in which a roof panel, a side panel outer center upper, and a side panel outer front are attached to FIG. 1. It is BB sectional drawing of FIG. It is CC sectional drawing of FIG. FIG. 2 is an exploded perspective view in which a roof rack bracket and a roof side extension outer upper are removed from FIG. 1. FIG. 3 is an exploded perspective view in which a roof rack bracket and a roof side extension outer upper are removed from FIG. 2. FIG. 2 is a perspective view of an automobile to which the roof rack mounting structure of FIG. 1 is applied.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  The roof rack mounting structure according to one embodiment of the present invention is applied to the A portions on both the left and right sides of the vehicle body 1 shown in FIG. Hereinafter, the description of FIGS. 1 to 8 is performed on the left side of the vehicle body among the A portions on the left and right sides. In each figure, the arrow FR indicates the front of the vehicle body, the arrow OTR indicates the outward direction of the vehicle body, and the arrow UPR indicates the upward direction of the vehicle body.

  FIG. 3 corresponding to the A portion on the left side of the vehicle body in FIG. 8 omits the side door 3 at the front of the vehicle body and the slide door 5 at the rear portion shown in FIG. 8 and corresponds to these doors 3 and 5. A front door opening 15 and a slide door opening 17 are formed at the positions where they are located. 1 and 2 show the roof panel 7 shown in FIG. 3, the side panel outer center upper 9 located outside the roof panel 7 in the vehicle width direction, and the front side of the side panel outer center upper 9 in the vehicle body. The side panel outer front 11 is omitted.

  As shown in FIGS. 1 and 2, the side panel outer center 13 located at the lower portion of the side panel outer center upper 9 includes a pillar portion 13a extending in the vehicle body vertical direction and an upper end of the pillar portion 13a. And an upper edge portion 13b extending in the direction. A side panel outer front 11 shown in FIG. 3 is coupled to the front side of the vehicle body of the side panel outer center 13.

  A roof rail side center inner 19 extending in the longitudinal direction of the vehicle body is provided at the vehicle body inner upper portion of the side panel outer center 13, and the side panel outer shown in FIG. 3 is covered so as to cover the outside of the roof rail side center inner 19. A center upper 9 is provided.

  A bulging portion 19 a bulging inward of the vehicle body is formed in the vicinity of the rear of the vehicle body from the pillar portion 13 a of the roof rail side center inner 19. As shown in FIG. 4 which is a BB cross-sectional view of FIG. 3, the bulging portion 19a includes a side wall 19b facing the vehicle width direction, and a bottom wall 19c extending from the lower end of the side wall 19b toward the vehicle width direction outer side. It has. The side wall 19b includes an inclined portion 19b1 that is inclined with respect to the longitudinal direction of the vehicle body such that the rear side of the vehicle body is on the outer side in the vehicle width direction from the front side.

  A roof side extension outer lower 21 is disposed on the bottom wall 19 c of the roof rail side center inner 19. The roof side extension outer lower 21 is configured such that the rear side of the vehicle body is smaller in the vehicle width direction than the front side in correspondence with the shape having the inclined portion 19b1 inside the vehicle body of the bulging portion 19a.

  The above-described roof side extension outer lower 21 includes a bottom wall 21a, a front wall 21b that rises upward from the vehicle body front side end of the bottom wall 21a, and a side wall 21c (FIG. 4) on the inner side in the vehicle width direction. Yes. The side wall 21c is inclined with respect to the longitudinal direction of the vehicle body so as to correspond to the inclined portion 19b1 of the bulging portion 19a so that the rear side of the vehicle body is on the outer side in the vehicle width direction from the front side (FIGS. 6 and 7).

  Further, a flange 21d (FIGS. 6 and 7) that bends inward in the vehicle width direction is formed on the upper edge of the side wall 21c, and this flange 21d is formed on the lower side of the side wall 19b of the roof rail side center inner 19. It is bonded and fixed on the stepped portion 19d.

  In the vicinity of the rear side of the vehicle body from the pillar portion 13a of the upper edge portion 13b of the side panel outer center 13, a through hole 13c that is long in the vehicle longitudinal direction corresponding to the bulging portion 19a is formed so as to penetrate in the vehicle width direction. ing. From the roof side extension outer lower portion 21 corresponding to the through hole 13c to the side panel outer center 13 at the rear of the vehicle body from the through hole 13c, the slide rail 5 is an upper rail 23 that is guided when the slide door 5 slides. .

  A roof side extension outer upper 25 is disposed above the roof side extension outer lower 21 described above. The roof side extension outer upper 25 constitutes an upper wall portion, and the roof side extension outer lower 21 positioned below the roof side extension outer lower portion 21 constitutes a lower wall portion.

  Therefore, the rail accommodating portion 27 for accommodating the upper rail 23 is formed between the roof side extension outer upper 25 constituting the upper wall portion and the roof side extension outer lower 21 constituting the lower wall portion. Become. Further, the roof side extension outer upper 25 and the roof side extension outer lower 21 are provided separately as separate components for vehicle body components such as the side panel outer center 13 and the roof rail side center inner 19.

  The roof side extension outer upper 25 described above has a bottom wall 25a facing the bottom wall 21a of the roof side extension outer lower 21, and a front vertical wall 25b that rises upward from the vehicle body front side end of the bottom wall 25a. Is provided. The front vertical wall 25b is abutted and joined to the upper part of the front wall 21b of the roof side extension outer lower 21 from the rear of the vehicle body.

  The roof side extension outer upper 25 has an edge 25a1 on the inner side in the vehicle width direction of the bottom wall 25a joined and fixed on the flange 21d of the roof side extension outer lower 21. Further, a side vertical wall 25c shown in FIG. 4 is formed at an end of the joint portion of the edge 25a1 to the flange 21d on the vehicle body front side, and this side vertical wall 25c is formed on the roof side extension outer. It is joined and fixed to the upper part of the side wall 21c of the lower 21 from the outside in the vehicle width direction.

  As shown in FIG. 4, the edge 25 d of the roof side extension outer upper 25 on the outer side in the vehicle width direction is joined to the lower edge 9 a that is bent toward the vehicle body inside the lower part of the side panel outer center upper 9. It is fixed. A belt-like upper wall 13d extending in the front-rear direction of the vehicle body located between the lower edge 9a and the edge 25d and located in the upper portion of the through hole 13c of the side panel outer center 13 is sandwiched and fixed. .

  A roof rack bracket 29 is disposed on the roof side extension outer upper 25 described above. The roof rack bracket 29 includes a lateral wall 29a serving as a mounting surface to which the roof rack 31 shown in FIG. 4 is attached. Two attachment holes 29a1 are formed in the lateral wall 29a along the longitudinal direction of the vehicle body, and the pedestal 31a of the roof rack 31 is fastened and fixed by a fastener such as a bolt and a nut (not shown) using the attachment holes 29a1. .

  The lateral wall 29a of the above-mentioned flack bracket 29 is formed long in the longitudinal direction of the vehicle body, and an extension portion 29b extending inward in the vehicle width direction is joined and fixed to the upper surface of the bulging portion 19a of the roof rail side center inner 19. As shown in FIG. 4, the upper surface of the bulging portion 19a corresponds to an upper flange 19e that bends substantially horizontally from the upper end of the side wall 19b toward the inside in the vehicle width direction.

  A lower flange 19f on the lower side of the roof rail side center inner 19 with respect to the upper flange 19e is joined and fixed to the lower end flange 33a of the connecting piece 33 attached to the lower portion of the roof side extension outer lower 21 from the inside of the vehicle body. The connecting piece 33 is omitted in FIGS.

  The roof rack bracket 29 includes a vertical wall 29c that is bent so as to incline downward and slightly outward in the vehicle width direction from the vehicle width direction outer end opposite to the extension portion 29b of the horizontal wall 29a. Furthermore, a lower flange 29d is provided that bends from the lower end of the vertical wall 29c toward the outside in the vehicle width direction. As shown in FIG. 4, the lower flange 29 d is superimposed and fixed on the edge 25 d on the outer side in the vehicle width direction of the roof side extension outer upper 25 to constitute an outer joint.

  Further, as shown in FIG. 1, the roof rack bracket 29 is provided with a belt-like support leg 29e that bends downward from an end portion on the vehicle body rear side of the lateral wall 29a that is a mounting surface, and at the vehicle body rear end at the lower end thereof. A mounting flange 29f extending toward the surface is provided. The mounting flange 29f is brought into contact with and fixed to the edge 25a1 on the inner side in the vehicle width direction of the bottom wall 25a of the roof side extension outer upper 25.

  On the other hand, as shown in FIG. 2, a support piece 29g is provided at the edge of the vertical wall 29c of the roof rack bracket 29 on the front side of the vehicle body so as to protrude obliquely downward on the inner side of the vehicle body. The front wall 21b of the extension outer lower 21 is joined and fixed to the front surface of the vehicle body.

  The support leg 29e, the mounting flange 29f, and the support piece 29g of the roof rack bracket 29 described above constitute an end joint portion.

  That is, in the present embodiment, the roof rack bracket 29 for attaching the roof rack 31 is placed on the roof side extension outer upper 25 that is the upper wall portion via at least the vehicle body front-rear direction end portions (support legs 29e, support pieces 29g). To be joined and fixed.

  As shown in FIG. 4, on the lateral wall 29 a that is the mounting surface of the roof rack bracket 29, as shown in FIG. 4, an upper edge 9 b inside the vehicle body of the side panel outer center upper 9 and an edge of the roof panel 7 on the outer side in the vehicle width direction. 7a are sequentially overlapped and fixed to each other. At this time, a portion corresponding to the lateral wall 29a between the roof panel 7 and the side panel outer center upper 9 in the vehicle width direction is formed with a recess 35 along the longitudinal direction of the vehicle body.

  Then, the base 31a of the roof rack 31 is fastened and fixed on the lateral wall 29a (actually, the end edge portion 7a of the roof panel 7) serving as the recess 35 by a fastener such as a bolt and a nut (not shown). In FIG. 3, an attachment hole 7 a 1 corresponding to the attachment hole 29 a 1 of the roof rack bracket 29 is illustrated in the edge portion 7 a of the roof panel 7.

  In such a roof rack mounting structure of the present embodiment, the roof rack bracket 29 is mounted using the rail housing portion 27 including the roof side extension outer lower 21 and the roof side extension outer upper 25. The rail housing portion 27 functions as a so-called door pocket in which a guide portion (guide roller) guided by the upper rail 23 is located at the upper front end of the vehicle body of the slide door 5 and has relatively high rigidity. Yes.

  By mounting the roof rack bracket 29 on the roof side extension outer upper 25 of the rail accommodating portion 27 having such a high rigidity, the load resistance can be enhanced as the mounting structure of the roof rack 31.

  At this time, in this embodiment, the vehicle body rear side of the roof rack bracket 29 is fixed to the roof side extension outer upper 25 by the support legs 29e and the attachment flange 29f. Further, the front side of the vehicle body of the roof rack bracket 29 is fixed to the roof side extension outer upper 25 via the front wall 21b of the roof side extension outer lower 21 by a support piece 29g. For this reason, it is extremely effective for a load that tends to be larger than the vehicle width direction in the longitudinal direction of the vehicle body that is applied when the vehicle is started and stopped.

  In addition, the load that the roof rack bracket 29 receives in the vehicle longitudinal direction is the D portion and the E portion corresponding to the joint portion of the extension portion 29b shown in FIGS. 1 and 2 to the roof rail side center inner 19 at the vehicle longitudinal direction end portion. As a result, the load resistance is further improved.

  Such a transmission path of the load received in the vehicle front-rear direction is indicated by a one-dot chain line arrow in FIG. 5, and the input load is distributed to each member to improve the load bearing performance.

  Regarding the load that the roof rack bracket 29 receives in the vehicle left-right direction (vehicle width direction), the F portion corresponding to the joint portion of the lower flange 29d to the roof side extension outer upper 25 and the center of the extension portion 29b in the longitudinal direction of the vehicle body The G part corresponding to the joint part to the roof rail side center inner 19 is mainly received.

  As a result, it is possible to ensure sufficient load resistance against the load that the roof rack bracket 29 receives in the vehicle left-right direction (vehicle width direction).

  Such a transmission path of the load received in the left-right direction of the vehicle is indicated by an alternate long and short dash line arrow in FIG. 4, and the input load is distributed to each member to improve the load bearing performance.

  Further, the roof rack bracket 29 of the present embodiment is extended toward the inner side in the vehicle width direction of the lateral wall 29a and is connected to the roof rail side center inner 19, and downward from the outer edge of the lateral wall 29a in the vehicle width direction. A lower flange 29d that extends from the lower edge of the vertically extending vertical wall 29c toward the outside in the vehicle width direction and is joined and fixed to the roof side extension outer upper 25.

  Thereby, the load in the vehicle width direction acting on the roof rack bracket 29 can be efficiently received, and the load resistance in the vehicle width direction is also improved.

  In the present embodiment, the roof side extension outer upper 25 and the roof side extension outer lower 21 are provided as separate parts from the vehicle body components such as the side panel outer center 13 and the roof rail side center inner 19. For this reason, the rigidity of the rail accommodating portion 27 is further increased, and the load resistance can be further enhanced as the mounting structure of the roof rack 31.

5 Sliding door 13 Side panel outer center (body component)
19 Roof rail side center inner (body components)
21 Roof side extension outer lower (lower wall)
23 Upper rail 25 Roof side extension outer upper (upper wall)
27 Rail receiving portion 29 Roof rack bracket 29a Roof rack bracket side wall (mounting surface)
29b Roof rack bracket extension 29c Roof rack bracket vertical wall 29d Roof rack bracket lower flange (outer joint)
29e Roof rack bracket support legs (end joint, end in the vehicle longitudinal direction)
29f Roof rack bracket mounting flange (end joint, end in the vehicle longitudinal direction)
29g Roof rack bracket support piece (end joint, end in the vehicle longitudinal direction)
31 Roof rack

Claims (3)

  An upper rail of a slide rail that is guided when the slide door moves in the longitudinal direction of the vehicle body is provided at the upper portion of the vehicle body side portion. The rail housing portion that accommodates the upper rail has an upper wall portion and a lower wall portion, and each of these walls. A roof rack mounting structure characterized in that a roof rack bracket for mounting a roof rack is joined and fixed at least using an end joint portion at the end in the vehicle longitudinal direction on the upper wall portion. .   The roof rack bracket includes a mounting surface to which the roof rack is mounted, an end joint portion which is positioned at a vehicle body front-rear direction end portion of the mounting surface and is fixed to the upper wall portion, and a vehicle width direction of the mounting surface. An extension extending inward and joined to the vehicle body component, a vertical wall extending downward from the outer edge of the mounting surface in the vehicle width direction, and from the lower edge of the vertical wall toward the outer side in the vehicle width direction The roof rack mounting structure according to claim 1, further comprising an outer joint portion that is extended and joined and fixed to the upper wall portion.   The roof rack mounting structure according to claim 1 or 2, wherein the upper wall portion and the lower wall portion are provided as separate parts with respect to vehicle body components.

Images