JP2007145102A - Roof rack mounting structure of automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a roof rack mounting structure of an automobile capable of ensuring the required mounting strength without any problems on the restriction of the design and the appearance, and without any distortion of a roof outer panel. <P>SOLUTION: A roof reinforcement 8 is arranged in a roof rail 3 so that a closed section is roughly divided into an upper portion A1 and a lower portion A2, and coupled with coupling parts 3a, 3b between a roof outer panel 6 and a roof inner panel 7. The roof rack 10 comprises a bar member 11, a base part 12 for supporting the bar member 11, and a leg part 12c extending from the base part 12 below a vehicle. The base part 12 is arranged on the roof outer panel 6 with a predetermined space C from the roof outer panel 6, a through hole 6b with the leg part 12c passed therethrough is formed, and a mounting seat 8c with the leg part 12c fixed thereto is formed on the roof reinforcement 8. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an attachment structure in which a roof rack is attached to a roof portion of an automobile.

Automobiles sometimes have a roof rack for loading skis, surfboards, and the like. When attaching such a roof rack to the roof portion, for example, Patent Document 1 employs a structure in which the base portion of the roof rack is bolted and fixed in a groove portion formed for welding and joining the roof rail and the roof panel. ing. Further, Patent Document 2 adopts a structure in which a roof rail base portion is bolted and fixed to a roof outer panel with a reinforcing retainer interposed.
Japanese Utility Model Publication No. 5-64068 JP 2000-95152 A

  By the way, in the structure in which the roof rack is mounted in the groove portion of the conventional roof portion, although the mounting strength can be ensured, the mounting position in the vehicle width direction of the roof rack is fixed to the groove portion, so that there is a problem of design restrictions. There is. Further, in order to secure the mounting allowance in the vehicle width direction of the base portion, it is necessary to increase the groove width. For this reason, the roof molding which covers a groove part becomes wide, and in the case of the vehicle model which does not attach a roof rack especially, there exists a problem that an appearance deteriorates.

  On the other hand, in the structure in which the roof rack is attached to the conventional roof outer panel, design restrictions on the mounting position of the roof rack in the vehicle width direction can be eased, and deterioration of appearance due to expansion of the groove width can be avoided. However, it is difficult to ensure the required mounting strength, and there is a concern that when the roof outer panel is clamped between the base portion and the retainer and bolted, the roof outer panel may be distorted, and the appearance quality may be impaired. is there.

  The present invention has been made in view of the above-described conventional situation, and does not cause design limitations or deterioration of appearance, and can secure necessary mounting strength without causing distortion of the roof outer panel. It aims to provide a mounting structure.

  The present invention provides a roof rack mounting structure for an automobile in which a roof rack is mounted on a roof rail formed by connecting a roof outer panel and a roof inner panel so as to form a closed cross section. The closed section is arranged so as to be roughly divided into an upper part and a lower part, and is coupled to a joint part between the roof outer panel and the roof inner panel, and the roof rack includes a bar member, a base part that supports the bar member, and the base A leg portion extending downward from the vehicle, and the base portion of the roof outer panel is provided with a predetermined gap between the roof outer panel and an insertion hole through which the leg portion is inserted. And a mounting seat for fixing the legs to the roof rein hose is formed.

  According to the roof rack mounting structure of the present invention, the roof rack has leg portions extending downward from the base portion, and the base portion is disposed on the roof outer panel with a gap between the outer panel and the leg portion. Since the roof outer panel is inserted and fixed to the mounting seat of the roof rein hose, the load applied to the roof rack can be borne by the high strength roof rein hose, and the mounting strength of the roof rack can be increased.

  In the present invention, since the leg portion is fixed to the roof rein hose with a gap provided between the roof outer panel and the base portion, the fixing force and the load when the leg portion is fixed to the roof rein hose are affected by the roof outer panel. The roof outer panel can be prevented from being distorted and the appearance quality can be ensured.

  Further, in the present invention, since the roof rack is attached to the roof outer panel, it is possible to alleviate the design restrictions at the installation position of the roof rack in the vehicle width direction when installing in the conventional groove portion, and to reduce the appearance by increasing the groove width. Can be avoided.

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

  1 to 3 are views for explaining a roof rack mounting structure for an automobile according to an embodiment of the present invention. FIG. 1 is a sectional front view of the roof rack (a sectional view taken along the line I-I in FIG. 2). FIG. 2 is a cross-sectional side view of the main part of the roof rack, and FIG. 3 is a schematic view of the roof part of the automobile in which the roof rack is arranged.

  In the figure, reference numeral 1 denotes a roof portion of an automobile, and left and right roof rails 3 and 3 extending in the vehicle front-rear direction are connected to the left and right sides of a roof panel 2 constituting the roof portion 1. More specifically, the roof portion 1 includes stepped portions 2a formed on the left and right edges of the roof panel 2 and steps formed on the inner edges of the left and right reef rails 3. The groove portion 4 is formed by overlapping the portion 3a, and the groove portion 4 is joined by spot welding. The groove 4 is covered with a roof molding 5 attached to the groove 4.

  In the left and right roof rails 3, a roof rein hose 8 is disposed between a roof outer panel 6 and a roof inner panel 7, and the roof rein hose 8, the roof outer panel 6 and the roof inner panel constituting the stepped-down portion 3a. 7, the three inner flange portions 3c and the outer flange portions 3b are overlapped and joined by spot welding. The inner flange portion 3 c is connected to the bottom surface of the groove portion 4. The roof rein hose 8 is disposed over substantially the entire length of the roof rail 3. In addition, you may arrange | position the roof reinhose 8 of this invention only in the roof rack attachment part of the roof rail 3. FIG.

  The roof rein hose 8 includes a lateral side portion 8a extending substantially horizontally so as to be positioned at a substantially central portion in the vertical direction between the roof outer panel 6 and the roof inner panel 7 from the inner flange portion 3c, and the lateral side portion 8a. And a vertical side portion 8b that is bent and extends downward from the outer end toward the outer flange portion 3b. The roof rail 3 is divided by the roof rein hose 8 into an upper closed section A1 and a lower closed section A2.

  Roof racks 10 are arranged on the left and right roof rails 3. The roof rack 10 is mainly composed of a bar member 11 having a substantially rectangular cross section extending in the vehicle front-rear direction, and front and rear base portions 12, 12 supporting the front and rear end portions 11a, 11b of the bar member 11. And covers 13 and 13 that cover the front and rear end portions 11a and 11b of the base portion 12 and the bar member 11, respectively. Since the front and rear base portions 12 have substantially the same structure, the front base portion 12 will be described in detail below.

  The front base portion 12 is made of an aluminum alloy or a sheet metal, and has a strip-like base body 12a extending in the front-rear direction along the upper wall surface 6a of the roof outer panel 6, and a rear end portion of the base body 12a. It has a support part 12b bent upward from the base body 12a and a pair of front and rear legs 12c, 12c formed to extend downward from the base body 12a.

  An end of the support portion 12b is inserted into the bar member 11, and the bar member 11 is fastened and fixed by bolts 14 and 14 screwed into the support portion 12b from below.

  A cushion member 15 made of rubber or the like having a larger area than the base body 12a is attached to the lower surface of the base body 12a. The cushion member 15 is positioned and fixed to the base portion 12 by inserting a plurality of protrusions 15a formed integrally therewith into the engagement holes 12d of the base body 12a.

  A lip portion 15 b that contacts the roof outer panel 6 and seals between the outer panel 6 and the base portion 12 is formed on the outer peripheral edge of the cushion member 15.

  Insertion holes 6b and 6b through which the leg portions 12c are inserted are formed in portions corresponding to the front and rear leg portions 12c and 12c of the upper wall surface 6a of the roof outer panel 6.

  Mounting seats 8c and 8c forming a flat surface are formed at portions corresponding to the front and rear legs 12c of the lateral side portion 8a of the roof rein hose 8. A bolt hole 8d is formed in the mounting seat 8c, and a nut 16 is fixed to a portion of the lower surface of the mounting seat 8c facing the bolt hole 8d by welding or the like.

  Bolt insertion holes 12e and 12e are formed through the front and rear legs 12c in the axial direction, and bolts 20 and 20 are inserted into the respective bolt insertion holes 12e.

  The base portion 12 is disposed on the upper wall surface 6a of the roof outer panel 6 with a slight gap C between the upper wall surface 6a. The front and rear legs 12c are inserted through the insertion holes 6b of the roof outer panel 6, and the leg 12c is formed so that the gap C is formed when the lower end surface 12f of the legs 12c contacts the mounting seat 8c. The axis length is set.

  Between the base body 12a and the upper wall surface 6a, seal members 18 and 18 that are elastically deformable and are mounted on the front and rear legs 12c are arranged. The seal member 18 is elastically deformed by tightening the bolt 20 to close the gap C, thereby sealing between the leg portion 12c and the insertion hole 6b.

  The base portion 12 is fixed to the mounting seat 8c of the roof rein hose 8 by tightening the bolt 20 inserted into the front and rear leg portions 12c to the nut 16.

  According to this embodiment, the base portion 12 is formed with a pair of front and rear legs 12c extending downward from the lower surface of the base portion 12, and the base portion 12 is attached to the upper wall surface 6a of the roof outer panel 6 and the upper wall surface 6a. The front and rear legs 12c are inserted through the insertion holes 6b of the roof outer panel 6 and brought into contact with the mounting seats 8c of the roof reinhose 8, so that the front and rear Since the leg portion 12c is fastened and fixed to the mounting seat 8c with the bolt 20, the load applied to the roof rack 10 can be borne by the strong and rigid roof rein hose 8, and the mounting strength of the roof rack 10 can be increased. it can.

  Further, since the base portion 12 is fixed by effectively utilizing the existing reinforcing roof rein hose 8 disposed on the roof rail 3, the roof rack 10 can be attached without increasing the number of parts.

  In the present embodiment, since the gap C is provided between the upper wall surface 6a of the roof outer panel 6 and the base portion 12 and the leg portion 12c is fixed to the roof rein hose 8, the leg portion 12c is fixed to the roof rein hose with the bolt 20. The fastening force and the above load when being fixed to 8 are not transmitted to the roof outer panel 6, distortion of the roof outer panel 6 can be prevented, and appearance quality can be ensured.

  In the present embodiment, since the roof rack 10 is attached to the upper wall surface 6a of the roof outer panel 6, design restrictions at the mounting position in the vehicle width direction of the roof rack when mounting in the conventional groove portion can be eased, and the groove Deterioration of appearance due to widening can be avoided.

  Since the front and rear leg portions 12c are formed on the base portion 12, the front and rear leg portions 12c engage with the insertion holes 6b when the base portion 12 is mounted on the roof outer panel 6, and thereby the base portion 12 is temporarily attached. It can hold | maintain and can perform attachment work easily.

  In the above embodiment, the case where a pair of front and rear legs are formed on the base 12 has been described. However, one leg may be used in the present invention.

  In the above embodiment, the leg portion 12c is directly fixed to the mounting seat 8c of the roof rein hose 8. However, in the present invention, a reinforcing retainer is disposed on the lower surface of the mounting seat 8c of the roof rein hose 8, and the retainer is attached. The legs may be fixed by interposing. In this case, the attachment strength of the legs can be further increased.

FIG. 3 is a cross-sectional front view (a cross-sectional view taken along the line I-I in FIG. 2) of the roof rack for explaining the roof rack mounting structure for an automobile according to the embodiment of the present invention. It is a principal part cross-sectional side view of the said roof rack. It is the schematic of the roof part of the motor vehicle by which the said roof rack is arrange | positioned.

Explanation of symbols

1 Car roof 3 Roof rail 3a, 3b Flange (joint)
6 Roof Outer Panel 6b Insertion Hole 7 Roof Inner Panel 8 Roof Rein Hose 8c Mounting Seat 10 Roof Rack 11 Bar Member 12 Base Part 12c Leg Part A1, A2 Closed Section C Clearance

Claims (1)

  In a roof rack mounting structure of an automobile in which a roof rack is mounted on a roof rail formed by connecting a roof outer panel and a roof inner panel so as to form a closed cross section, a roof rein hose is disposed in the roof rail, and the closed cross section is approximately The roof rack is arranged so as to be divided into an upper part and a lower part, and is coupled to a joint part between the roof outer panel and the roof inner panel. The roof rack includes a bar member, a base part that supports the bar member, and a vehicle lower part from the base part. A leg portion extending to the roof outer panel, the base portion is provided with a predetermined gap between the roof outer panel and an insertion hole through which the leg portion is inserted is formed. An automobile roof characterized in that a mounting seat for fixing the leg portion is formed on a roof rein hose. Click mounting structure.

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