JP4683061B2 - Roof rack mounting structure and roof rack mounting method - Google Patents

Description

  The present invention relates to a roof rack mounting structure and a roof rack mounting method for mounting a roof rack on a roof of a vehicle body.

In general, the roof rack has a mounting structure that is fastened to the roof of the vehicle body by bolts and nuts. At this time, one end of the reinforcing member is connected to the roof rack mounting portion, and the other end of the reinforcing member is connected to the body. An attachment structure connected to the side is known (see Patent Document 1 below).
JP-A-9-95185

  By the way, for example, when a carrier for loading a load is attached to the roof rack and the vehicle is turned while the load is loaded on the carrier, the roof rack receives a load in a direction of falling toward the outside of the turn due to the inertial force of the load.

  However, in the above-described conventional structure, the load received on the roof rack is concentrated on the body side corresponding to the outside of the turn, so that the load on the body side is large and improvement is desired.

  Accordingly, an object of the present invention is to allow the vehicle body to receive the load received by the roof rack in a distributed manner.

In the present invention, a roof rack extending in the longitudinal direction of the vehicle body is mounted on a roof near the outside in the vehicle width direction of the vehicle body, and a mounting portion of the roof rack to the roof corresponds to a mounting portion of the roof rack to the roof. A connecting member for connecting the roof back surface mounting portion and the reinforcing member provided on the back surface of the roof to each other, and the connecting portion of the connecting member with the reinforcing member is connected to the roof back surface mounting portion of the connecting member. A joint flange that is set on the inner side in the vehicle width direction from the connecting portion, and that the roof back surface mounting portion is configured by a mounting plate interposed between the roof and the connecting member, and the reinforcing member is bonded to the roof back surface The connecting member includes a roof rack side joint that is joined to a lower surface of the roof back surface mounting portion, and a vehicle body longitudinal direction from the roof rack side joint. An extension portion that extends toward the inner side in the width direction, characterized in that it comprises a reinforcing member joint to be joined are located on the distal end side of the extension to the lower surface of the projecting portion of the reinforcing member .

  According to the present invention, the load that the roof rack receives toward the outside in the vehicle width direction is received on the body side side, and at the same time, the roof disposed on the vehicle width direction inner side than the connecting portion with the roof back surface mounting portion via the connecting member. It was made to transmit to the connection part with the reinforcement member of a back surface. As a result, the load that the roof rack receives toward the outside in the vehicle width direction acts as a tensile load on the connecting member and can be efficiently received by the reinforcing member on the back surface of the roof, so the load is concentrated on the body side. The load received by the roof rack can be distributed to the vehicle body.

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

  FIG. 1 is a cross-sectional view taken along the line AA of FIG. 2 showing a roof rack mounting structure according to an embodiment of the present invention, and FIG. 2 is a perspective view showing a main part of a vehicle body provided with the roof rack mounting structure. 3 is a perspective view of the roof rack mounting structure, and FIG. 4 is a plan view thereof.

  As shown in FIG. 2, a roof rack 3 extending in the longitudinal direction of the vehicle body is attached to a position in the vicinity of both outer sides in the vehicle width direction on the roof 1. The roof rack 3 has both ends 3a and 3b in the longitudinal direction (vehicle body longitudinal direction) attached to the roof 1, and an intermediate mounting portion 9 is set at an intermediate portion between the both end mounting portions 5 and 7. That is, in the present embodiment, the roof rack 3 is attached to the roof 1 at at least three locations, that is, the longitudinal end portions 3a and 3b of the roof rack 3 and the intermediate portion between the longitudinal end portions 3a and 3b. It will be.

  FIGS. 3 and 4 show the periphery of the intermediate mounting portion 9 on the left side in the vehicle width direction in FIG. 2. Hereinafter, the mounting structure of the intermediate mounting portion 9 on the left side in the vehicle width direction will be described. Since the intermediate mounting portion 9 on the right side in the direction has a symmetrical structure with respect to the illustrated intermediate mounting portion 9 on the left side, description thereof is omitted.

  As shown in FIG. 1, the roof rack 3 is a hollow member having a substantially trapezoidal cross-sectional shape. In the intermediate mounting portion 9, for example, a fixture 11 is welded to the lower surface of the bottom surface portion 3 c corresponding to the lower bottom of the trapezoid. It is attached and integrated by. The fixture 11 is a hollow member having a substantially trapezoidal cross-sectional shape like the roof rack 3, an upper surface portion 11 a that is fixed to the bottom surface portion 3 c of the roof rack 3, slope portions 11 b and 11 c on both sides in the vehicle width direction, a roof 1 is provided with a mounting surface portion 11d that faces 1.

  Then, the mounting surface portion 11d is set on the roof 1 via a seat plate 13 made of rubber, for example, and a bolt 15 is inserted into a bolt insertion hole 11e formed in the mounting surface portion 11d. Fastened to the weld nut 17 attached to 23. The bolt 15 is inserted and fastened through a work hole 11f formed over the upper surface portion 11a of the fixture 11 and the slope portion 11b on the outer side in the vehicle width direction. A cover 19 is detachably attached to the work hole 11f, and the cover 19 is removed during work.

  On the back surface 1a of the roof 1 corresponding to the mounting surface portion 11d of the mounting tool 11, a bracket 23 as a connecting member is disposed via a mounting plate 21 that constitutes a seat surface for fixing the roof rack, and these are the bolts 15 described above. And fastened and fixed by a weld nut 17. At this time, the weld nut 17 is fixed to the indoor side opposite to the mounting plate 21 of the bracket 23.

  As described above, the bracket 23 is fixed to the roof 1 at a position corresponding to the fixture 11 by the bolt 15, but before the fixing by the bolt 15, the spot welded portion S 1 shown in FIG. And spot welding fixed to the roof back surface 1a in advance.

  The bracket 23 is formed by press-molding a plate-like member, and is bent toward the lower side of the vehicle compartment from the roof rack-side joint 23a that joins to the mounting plate 21 that serves as the roof back surface attachment. In addition, a bent portion 23b that is bent slightly inward in the vehicle width direction and a planar extension portion 23c that extends from the lower end of the bent portion 23b to the front in the vehicle longitudinal direction and inward in the vehicle width direction are provided. ing. In addition, the above-mentioned bending part 23b is set in the vicinity of the mounting plate 21 which is a roof back surface mounting part.

  As shown in FIG. 4, a roof bow 25 extending in the vehicle width direction is attached as a reinforcing member for reinforcing the roof 1 to the back surface 1 a of the roof 1 near the tip of the extension 23 c. As shown in FIG. 5 which is a BB cross-sectional view of FIG. 4, the roof bow 25 protrudes toward the passenger compartment side below the vehicle body from the joint flanges 25 a on both sides in the vehicle body front-rear direction joined to the back surface 1 a of the roof 1. The protrusion part 25b is provided and the cross-sectional hat shape is exhibited.

  The front end side of the projecting portion 25b is a substantially horizontal flat surface portion 25b1, and a reinforcing member joint portion 23d corresponding to the vicinity of the front end of the extension portion 23c of the bracket 23 is joined to the lower surface of the flat surface portion 25b1, After the reinforcing plate 27 is placed on the roof 1 side of the flat portion 25b1, these three members are joined and fixed at the spot welded portion S2 in FIGS.

  As shown in FIG. 4, the reinforcing member joint 23d of the bracket 23 is further bent toward the front of the vehicle body with respect to the extension 23c bent toward the vehicle width direction inner side (upper side in FIG. 4). It extends in the longitudinal direction of the vehicle body substantially parallel to the roof rack side joint portion 23a.

  As shown in FIG. 4, such a bracket 23 has a connecting portion connected to the roof bow 25 through a reinforcing member joint portion 23 d via a connecting portion with a mounting plate 21 that is a roof rear surface mounting portion of the bracket 23. It is set to the inner side in the width direction.

  The above-described bracket 23 is welded and fixed to the roof bow 25 together with the reinforcing plate 27 at the spot welded portion S2 in advance to be integrated into an assembly part, and the assembled roof bow 25 is connected via its joint flange 25a. The back surface 1a of the roof 1 is bonded and fixed using an adhesive, and the bracket 23 is fixed to the back surface 1a of the roof 1 together with the mounting plate 21 via the roof rack side joint 23a.

  Thereafter, the roof rack 3 is fixed to the roof 1. That is, both ends 3a and 3b in the longitudinal direction of the roof rack 3 are fixed to the roof 1 by, for example, bolts and nuts (not shown), and the bolts 15 are attached to the intermediate mounting portion 9 via the fixture 11 as shown in FIG. Used to fix to the roof 1 together with the bracket 23.

  An end 1b on the outer side in the vehicle width direction of the roof 1 is bent downward and further extended outward in the vehicle width direction to form an end flange 1b1, and at a position facing the lower portion of the end flange 1b1. The end 25c of the roof bow 25 on the outer side in the vehicle width direction is disposed, and the end flange 29a of the body side outer 29 constituting the body side of the vehicle body and the roof are disposed between the end flange 1b1 and the end 25c. The end flanges 31a of the side inner 31 are arranged so as to overlap each other, and these are fixed to each other by spot welding.

  A concave portion 33 is formed in the upper portion of the spot welding, and a roof molding (not shown) is filled and disposed in the concave portion 33.

  In such a roof rack mounting structure, when, for example, a carrier (not shown) is mounted on the roof rack 3 and the vehicle turns while the load is loaded on the carrier, the roof rack 3 is turned outside by the inertial force of the load. Assume a case where a load is applied in the direction of falling down.

  At this time, if the right side (left side in the vehicle width direction) in FIG. 1 is the outside in the turning direction, the roof rack 3 receives a load toward the outside of the vehicle body indicated by the arrow F in FIG. 3 receives a force in a direction in which the vicinity of the fastening portion by the bolt 15 is lifted with the C portion of the outer edge of the fixture 11 in the vehicle width direction as a fulcrum, and loads the body side on the outer side of the turning (right side in FIG. 1). Is granted.

  However, in this embodiment, the roof rack side joint portion 23a which is one end portion of the bracket 23 is connected to the fastening portion by the bolt 15, and the reinforcing member joint portion 23d which is the other end portion is connected to the roof rack side joint portion. It is connected to the roof bow 25 on the inner side in the vehicle width direction from 23a. Therefore, the force for lifting the roof rack 3 acts as a tensile load on the bracket 23 and is efficiently transmitted to the roof bow 25. Thereby, the concentration of the load on the body side provided with the right body side outer 29 in FIG. 1 can be suppressed, and the load received by the roof rack 3 can be dispersed throughout the vehicle body.

  In particular, the present embodiment is extremely effective because the bracket 23 is connected to the roof bow 25 at the intermediate attachment portion 9 at the intermediate portion in the longitudinal direction that is easily deformed when the roof rack 3 receives the above-described load.

  In the present embodiment, the load distribution can be performed without providing a new member by using the roof bow 25 for reinforcing the roof 1 as the reinforcing member that receives the load received by the roof rack 3. it can. In particular, the roof bow 25 is set at a position displaced in the longitudinal direction of the vehicle body with respect to the mounting plate 21 and is connected to the body side (body side outer 29) as side members on both sides in the vehicle width direction. The load is also transmitted to the opposite body side (not shown in FIG. 1), which is extremely effective for distributing the load to the entire vehicle body.

  Further, since the bent portion 23b is provided in the bracket 23, it is effective for securing rigidity, and further, the load acting on the roof bow 25 is set by setting the bent portion 23b in the vicinity of the mounting plate 21 corresponding to the roof back surface mounting portion. Can be efficiently received by the bent portion 23b, which is extremely effective for load distribution.

  Further, the bracket 23 described above includes a roof rack side joint portion 23a joined to the mounting plate 21, a bent portion 23b bent from the roof rack side joint portion 23a toward the lower side of the vehicle compartment, and a lower end of the bent portion 23b. A planar extension 23c that extends forward in the vehicle longitudinal direction and toward the inside in the vehicle width direction, and is joined to the lower surface of the protrusion 25b of the roof bow 25 that is a reinforcing member that is positioned at the distal end side of the extension 23c. The reinforcing member joining portion 23c is provided, and the plate-like member can be easily manufactured by press molding.

  Furthermore, in the present embodiment, the connecting portion of the bracket 23 to the roof bow 25 can be set at an appropriate position on the inner side in the vehicle width direction, so that the layout performance when the bracket 23 is attached is improved.

  In addition, the bracket 23 is attached to the roof bow 25 in advance to form an assembly part. After the assembly part is attached to the back surface 1a of the roof 1, the roof rack 3 is attached to the roof 1 so that the bracket 23 is attached later. Compared to the case, the mounting work becomes easier and the working efficiency is improved.

  In the present embodiment, the attachment portion provided with the bracket 23 is set to the intermediate attachment portion 9, but it may be set to the both end attachment portions 5 and 7 in the longitudinal end portions 3 a and 3 b of the roof rack 3. .

It is AA sectional drawing of FIG. 2 which shows the roof rack mounting structure concerning one Embodiment of this invention. It is a perspective view which shows the principal part of the vehicle body provided with the roof rack attachment structure of FIG. It is a perspective view which shows the roof rack mounting structure of FIG. It is a top view which shows the roof rack mounting structure of FIG. It is BB sectional drawing of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Roof 1a The back surface of a roof 3 Roof rack 3a, 3b Both ends of a roof rack in the longitudinal direction 5, 7 Both ends attachment portions (attachment portions to the roof at both ends in the longitudinal direction of the roof rack)
9 Intermediate mounting part 21 Mounting plate (Roof back mounting part)
23 Bracket (connecting member)
23a bracket roof rack side joint 23b bracket bent part 23c bracket extension 23d bracket reinforcement member joint 25 roof bow (reinforcement member)
25a Roof Bow Joint Flange 25b Roof Bow Projection 29 Body Side Outer (Body Side Member)

Claims (7)

A roof rack extending in the longitudinal direction of the vehicle body is mounted on the roof near the vehicle width direction outside of the vehicle body, and the roof rack mounting portion is attached to the roof back surface corresponding to the roof rack mounting portion. And a reinforcing member provided on the back surface of the roof. The connecting member is connected to the reinforcing member of the connecting member from the connecting portion of the connecting member with the roof back surface mounting portion. Set on the inner side in the width direction , the roof back surface mounting portion is configured by a mounting plate interposed between the roof and the connecting member, and the reinforcing member is attached to the joint flange that is bonded to the roof back surface. A projecting portion projecting toward the room side, and the connecting member is joined to the lower surface of the roof back surface mounting portion, and a roof rack side joining portion, and the roof rack side joining portion from within the vehicle longitudinal direction and in the vehicle width direction. An extension portion that extends towards the roof rack mounting, characterized in that it comprises a reinforcing member joint to be joined are located on the distal end side of the extension to the lower surface of the projecting portion of the reinforcing member Construction. The connecting member has a bent portion that bends downward from the joint portion on the roof rack side toward the vehicle compartment, and the extension portion extends from the lower end of the bent portion toward the vehicle body front-rear direction and the vehicle width direction inside. The roof rack mounting structure according to claim 1, wherein the roof rack mounting structure is provided. The roof rack is attached to the roof at at least three locations, that is, both ends in the longitudinal direction of the roof rack and intermediate portions between the both ends in the longitudinal direction. roof rack mounting structure according to claim 1 or 2, characterized in that it is set to an intermediate mounting portion. The roof rack mounting structure according to any one of claims 1 to 3, wherein the reinforcing member is a roof bow extending in a vehicle width direction on a back surface of the roof.   The said roof bow is set in the position shifted | deviated to the vehicle body front-back direction with respect to the said roof back surface attachment part, and the vehicle width direction both ends are connected with the side part member of the vehicle body. Roof rack mounting structure. The roof rack mounting structure according to any one of claims 2 to 5, wherein the bent portion is set in the vicinity of the roof back surface mounting portion. The connecting member used in the roof rack mounting structure according to any one of claims 1 to 6 is attached in advance to the reinforcing member to form an assembly part, and the assembly part is attached to the back surface of the roof, A roof rack mounting method comprising mounting a roof rack on a roof.

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