JP4376854B2 - Roof rail mounting structure and roof rail mounting method - Google Patents

Description

  The present invention relates to a roof rail mounting structure and a roof rail mounting method to be mounted on a roof portion of a vehicle.

Some vehicles such as automobiles are provided with roof rails in the front-rear direction in the vicinity of both sides of the roof portion in order to mount a loading platform or the like on the roof portion (see Patent Document 1). This roof rail has a generally divided structure, and is composed of front and rear mounting members, a rail bar connecting them, and a mounting member provided at the center of the rail bar.
Japanese Patent Laid-Open No. 2002-370583

  In order to attach the roof rail to the roof part of the vehicle, when attaching the rail bar via the attachment member, the rail bar is fixed to the front and rear attachment members with the front and rear attachment members temporarily fixed to the roof part, and then the front and rear attachments are performed. There is a problem that it is necessary to firmly fix the member to the roof portion, and it takes time to assemble.

  Therefore, an object of the present invention is to provide a roof rail mounting structure that can improve the mounting workability without the need for temporary fixing.

In order to achieve the above object, the invention described in claim 1 is a roof rail (for example, in the embodiment) attached to a roof portion (for example, the roof portion 2 in the embodiment) of a vehicle (for example, the vehicle 1 in the embodiment). A roof rail 3) mounting structure, wherein the roof rail includes a rail bar (for example, the rail bar 4 in the embodiment) and a mounting member (for example, in the embodiment) that is connected to an end of the rail bar and fixed to the roof portion. A front mounting member 5, a rear mounting member 6), and a cap member (for example, the cap members 8 and 9 in the embodiment) interposed in a connecting portion between the rail bar and the mounting member. One of the rail bar or the end of the attachment member to be coupled (for example, in the embodiment The front mounting member 5 and the rear mounting member 6 are fitted from the outside to the ends (for example, the end portion 17 in the embodiment) and the other (for example, the rail bar 4 in the embodiment) from the inside. The cap member is provided with a first engagement portion (for example, the first engagement portion 20 in the embodiment) that engages with the rail bar, and the second engagement that engages with the attachment member. Portion (for example, the second engagement portion 22 in the embodiment), and the first engagement portion and the second engagement portion are opposed to each other at substantially the same position in the connecting direction of the rail bar and the attachment member. It is provided in the position .
By comprising in this way, after connecting a rail bar and an attachment member beforehand by a cap member, it becomes possible to assemble and fix to the roof part what the attachment member and the rail bar were united. Further, by making the engagement positions of the cap member, the rail bar, and the attachment member substantially the same, it is possible to prevent unnecessary moments from being generated between the engagement positions.

According to a second aspect of the present invention, the cap member and the one end are a portion on the tip side of the one end from the first engagement portion and the second engagement portion (for example, the cap in the embodiment). The member insertion allowance C and the rail bar insertion allowance R) are long.
By comprising in this way, in the connection part of a rail bar and an attachment member, it becomes possible to form a fitting part longer on the front end side than a 1st engaging part and a 2nd engaging part.

According to a third aspect of the present invention, the cap member is fitted from the outside to the end portion of the mounting member, and is fitted from the inside to the end portion of the rail bar. It is provided below the connecting portion between the rail bar and the mounting member.
By comprising in this way, the to-be-engaged part of a 1st engaging part will be formed under the rail bar which becomes an outer side in a connection part.

The method invention according to claim 4 is a method of attaching a roof rail to be attached to a roof portion of a vehicle, wherein the roof rail is connected to a rail bar and an end portion of the rail bar and fixed to the roof portion. And a cap member interposed in a connecting portion between the rail bar and the attachment member, and the cap member is provided with a first engagement portion that engages with the rail bar, and is engaged with the attachment member. A second engaging portion is provided, and the first engaging portion and the second engaging portion are provided at substantially the same position and facing each other in the connecting direction of the rail bar and the mounting member, and the cap The other end portion together with the one end portion after fitting the member to one end portion from the outside of the end portions of the rail bar or the attachment member to be connected By fitting to the inside, in advance connecting the mounting member and the rail bar by fixing the mounting member to the roof portion, and wherein the attaching the roof rails on the roof portion.
By comprising in this way, it becomes unnecessary to temporarily fix an attachment member to a roof part.
The method invention described in claim 5 is characterized in that the tip of the one end protrudes beyond the tip of the cap member.
According to a sixth aspect of the present invention, the cap member is fitted from the outside to the end portion of the mounting member, and is fitted from the inside to the end portion of the rail bar. A concave portion serving as a deformation permissible space for the first engaging portion is provided at a position facing the one engaging portion .

According to the first and sixth aspects of the present invention, after the rail bar and the mounting member are connected in advance by the cap member, the integrated mounting member and the rail bar can be assembled and fixed to the roof portion. Therefore, there is no need to temporarily fix the mounting member, and there is an effect that the mounting workability can be improved.
In addition, since the engagement positions of the cap member, the rail bar, and the attachment member are substantially the same, it is possible to prevent an unnecessary moment from being generated between the engagement positions. Has the effect of being able to keep it properly.
According to the second aspect of the present invention, it is possible to form a fitting portion that is longer on the distal end side than the first engaging portion and the second engaging portion in the connecting portion between the rail bar and the mounting member. There is an effect that the fitting strength can be increased and the connection state between the rail bar and the mounting member can be appropriately maintained.
According to the third aspect of the present invention, the engaged portion of the first engaging portion is formed on the lower side of the rail bar on the outer side of the connecting portion, so that it is not noticeable from the outside. There is an effect of improving the appearance quality.
According to the invention described in claims 4 and 5, since it is not necessary to temporarily fix the mounting member to the roof portion, there is an effect that the mounting workability can be improved.

Next, embodiments of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 to 3, roof rails 3 and 3 are attached to the side of the roof portion 2 of the vehicle 1 of the automobile along the front-rear direction. The roof rail 3 is attached to secure a loading space on the roof portion 2 by fixing a loading platform or the like. In the following description, only the left roof rail 3 will be described, and the description of the right roof rail 3 having the same configuration as the left roof rail 3 will be omitted except that the left and right roof rails are opposite.
The roof rail 3 is connected to, for example, an aluminum rail bar (the other end) 4 and the front and rear ends of the rail bar 4 and fixed to the roof portion 2. A part attachment member (one end part) 5, a rear part attachment member 6, and a center part attachment member 7 made of zinc alloy die cast that is connected to the center part in the front-rear direction of the rail bar 4 and fixed to the roof part 2. Yes.

  As shown in FIGS. 4 and 5, a cap member 8 is interposed at the connecting portion between the front mounting member 5 and the rail bar 4, and a cap member 9 is interposed at the connecting portion between the rear mounting member 6 and the rail bar 4. ing. Specifically, the front cap member 8 is fitted to the end of the front mounting member 5 to be connected from the outside, and the cap member 8 is fitted to the inner side of the front end of the rail bar 4 to be connected. . Similarly, the rear cap member 9 is fitted to the end of the rear mounting member 6 to be connected from the outside, and the cap member 9 is fitted to the inner side of the rear end of the rail bar 4 to be connected. In addition, since the attachment part of the rail bar 4 and the front part attachment member 5 and the rail bar 4 and the rear part attachment member 6 is the same structure, in the following description, only the connection part of the front part attachment member 5 and the rail bar 4 is demonstrated.

As shown in FIG. 4, the front mounting member 5 includes a mounting member main body 12 fixed to the roof portion 2 with bolts 10 and nuts 11 (not limited to this mounting mode), and a cover 13 covering the mounting member main body 12. It consists of and. A rib 14 is formed on the mounting member main body 12, and a cover 13 is disposed outside the rib 14, and the end of the cover 13 is covered with the end of the rib 14 by a step portion 15. Is.
A mounting seat 16 is formed on the mounting member body 12 and is fixed to the roof portion 2 via bolts 10 and nuts 11. The attachment member main body 12 is continuously formed with a rod-like end portion 17 extending rearwardly away from the roof portion 2 as an end portion of the front attachment member 5.

  As shown in FIGS. 6 and 7, the end portion 17 includes a chamfered portion 18 around the distal end surface so that the cap member 8 can be easily fitted from the outside. As shown in FIG. 6, a rectangular concave portion 19 is formed on the lower surface of the end portion 17, and the inside of the concave portion 19 is configured as a deformation allowing space for the first engaging portion 20 provided in the cap member 8. Yes. Further, as shown in FIG. 7, an engaged portion 23 that engages with the second engaging portion 22 provided on the cap member 8 is recessed in a rectangular shape on the upper surface of the end portion 17.

  As shown in FIGS. 8 and 9, the cap member 8 is a tubular member made of resin and provided with a slightly inclined upper wall 24 in the vehicle width direction in order to prevent electrical rust, and the front mounting member 5. The lower edge of the side is formed with a stopper portion 25 which is brought into contact with the end portion of the rail bar 4. The stopper portion 25 is a base surface 26 (cover) for projecting the end portion 17 of the attachment member body 12 of the front attachment member 5. 13 and the upper surface of the roof portion 2. In addition, a convex portion 27 that faces the fitting direction of the rail bar 4 is provided on each surface on the outer peripheral surface of the end portion of the cap member 8 on the front mounting member 5 side. The rail bar 4 is fitted inside. Here, the rail bar 4 receiving side of the convex portion 27 is formed in a hemispherical shape so that the fitting operation of the rail bar 4 can be performed smoothly.

  As shown in FIGS. 8 and 10, a U-shaped upper notch 28 that opens toward the rear of the vehicle is formed on the upper wall 24 of the cap member 8 in the front-rear direction of the vehicle, and is surrounded by the upper notch 28. This portion is configured as a second engagement portion 22 that is elastically deformed with the vehicle rear portion side as a fulcrum 29. Therefore, the front end portion of the cap member 8 on the vehicle rear side is longer than the position where the first engagement portion 20 and the second engagement portion 22 are formed, and the cap member insertion allowance (front end) for fitting is formed. Side part) C will be provided. The second engagement portion 22 includes a claw 30 that increases in thickness toward the rear side of the vehicle inside the cap member 8, and the claw 30 is formed on the upper surface of the end portion 17 of the front mounting member 5. The cap member 8 is prevented from slipping out from the front mounting member 5 to the rear of the vehicle by being elastically engaged with the joint portion 23.

  As shown in FIGS. 9 and 11, a U-shaped lower notch 31 that opens toward the front of the vehicle is formed on the lower wall of the cap member 8 toward the front of the vehicle in the front-rear direction. The enclosed portion is configured as a first engagement portion 20 that is elastically deformed with the vehicle front side portion serving as a fulcrum 32, and the first notch portion 20 is connected to the second engagement portion 22 with the cap member 8 and the rail bar 4. Are provided at substantially the same position in the connecting direction. The first engaging portion 20 includes a claw 33 whose thickness increases toward the vehicle front side on the outer side (lower side) of the cap member 8, and the claw 33 is formed on the lower wall of the rail bar 4. The rail bar 4 is elastically engaged with the hole 34 to prevent the rail bar 4 from coming out from the cap member 8 attached to the front mounting member 5 to the rear of the vehicle.

  The rail bar 4 is attached to the end portion 17 of the front mounting member 5 so as to cover the cap member 8 from the outside, and the upper and both sides are flush with the cover 13 covering the mounting member main body 12. The lower side is a member aligned with the roof portion 2. Specifically, the upper portion and both side portions of the rail bar 4 are fitted from the outside of the cap member 8 so as to be flush with the step portion 15 of the cover 13, and the lower portion of the rail bar 4 is the stopper portion 25 of the cap member 8. It abuts against. And as shown in FIG. 12, the to-be-engaged hole 34 with which the nail | claw 33 of the 1st engaging part 20 of the cap member 8 engages is formed in the lower wall of the rail bar 4. As shown in FIG. Therefore, the rail bar insertion allowance (end portion) for fitting is formed such that the tip portion on the vehicle rear side of the end portion 17 is formed longer toward the rear than the formation position of the first engagement portion 20 and the second engagement portion 22. 17 on the tip side) R.

  As shown in FIG. 2, a lid 35 that can be opened and closed is formed at a substantially central portion of the rail bar 4 in the front-rear direction, and a mounting seat 36 for the central mounting member 7 is formed therein, and is fixed to the roof portion 2 in advance. Further, it is fixed to the central mounting member 7 with bolts 37 and nuts 38 (not limited to this mounting mode). The central portion attaching member 7 is fixed to the roof portion 2.

Next, a method for attaching the roof rail 3 will be described.
First, the cap member 8 is fitted and attached from the outside of the end portion 17 of the front mounting member 5, and the claw 30 of the second engaging portion 22 of the cap member 8 is engaged with the engaged portion 23 of the end portion 17. Combine. Similarly, the cap member 9 is fitted and attached to the end portion 17 of the rear mounting member 6 from the outside, and the claw 30 of the second engaging portion 22 of the cap member 9 is connected to the engaged portion of the end portion 17. 23 is engaged.
Then, the end 17 to which the cap member 8 is attached is fitted inside the front end of the rail bar 4, and the claw 33 of the first engaging portion 20 of the cap member 8 is engaged with the engaged hole 34 of the rail bar. Similarly, the end 17 to which the cap member 9 is attached is fitted inside the rear end of the rail bar 4, and the claw 33 of the first engaging portion 20 of the cap member 9 is engaged with the engaged hole 34 of the rail bar. Engage.

  The front mounting member 5 is fixed to the roof portion 2 with bolts 10 and nuts 11, and the rear mounting member 6 is fixed to the roof portion 2 with bolts 10 and nuts 11, and the central portion previously attached to the roof portion 2. The cover member 35 of the rail bar 4 is opened and the attachment member 7 is fixed to the rail bar 4 with bolts 37 and nuts 38, and the roof rail 3 is attached to the roof portion 2.

  According to the embodiment, after the front mounting member 5 and the rear mounting member 6 are connected in advance to the rail bar 4 via the cap members 8 and 9, the front mounting member 5, the rail bar 4 and the rear mounting member 6 are integrated. Since it becomes possible to assemble and fix it to the roof portion 2, it is not necessary to temporarily fix the front mounting member 5 and the rear mounting member 6 to the roof portion 2, thereby improving mounting workability. Can do.

  Further, in the connecting portion between the front mounting member 5 and the rail bar 4, the front end portion of the cap member 8 on the vehicle rear side is directed rearward from the position where the first engaging portion 20 and the second engaging portion 22 are formed. A cap member insertion allowance C for a long fitting is provided, and the front end portion of the end portion 17 on the vehicle rear side is more than the formation position of the first engagement portion 20 and the second engagement portion 22. Since the rail bar insertion allowance R for fitting which is formed long toward the rear is provided, the fitting strength is increased, and the connection state between the rail bar 4 and the front mounting member 5 and the rear mounting member 6 is appropriately maintained. be able to.

A U-shaped lower notch 31 that opens toward the front of the vehicle is formed on the lower wall of the cap member 8 in the front-rear direction of the vehicle, and a portion surrounded by the lower notch 31 is a front side portion of the vehicle. The first engaging portion 20 is elastically deformed with the fulcrum 32 as a fulcrum 32, and the first engaging portion 20 is substantially at the same position in the connecting direction of the cap member 8 and the rail bar 4 with respect to the second engaging portion 22. Is provided.
Therefore, by making the engagement positions of the cap member 8 and the rail bar 4 and the front and rear attachment members 5 and 6 substantially the same, it is possible to prevent an unnecessary moment from being generated between the engagement positions. The connection state between the rail bar 4 and the front and rear attachment members 5 and 6 can be appropriately maintained.
The engaged hole 34 with which the claw 33 of the first engaging portion 20 of the cap member 8 engages is the rail bar 4 positioned below the connecting portion between the cap member 8 and the front and rear mounting portions 5 and 6. Since it is formed on the lower wall, the appearance quality can be improved without being noticed from the outside.

  In addition, this invention is not restricted to the said embodiment, For example, although the rear part attachment member 6 was made into the same shape as the front part attachment member 5, of course, it can be made into a different shape. Moreover, although the case where the edge part 17 was provided in the direction of the front part attachment member 5 or the rear part attachment member 6 was demonstrated, the edge part 17 is provided in the rail bar 4 side, and the direction of the front part attachment member 5 or the rear part attachment member 6 is provided. You may provide the fitting hole which receives the cap members 8 and 9 fitted by the outer side of this edge part 17 inside.

1 is a perspective view of a vehicle according to an embodiment of the present invention. It is a perspective view of the roof rail which concerns on embodiment of this invention. FIG. 3 is an exploded side view of FIG. 2. It is a longitudinal cross-sectional view of a front part attachment member. It is a longitudinal cross-sectional view of a rear attachment member. It is the perspective view which looked at the principal part of the front part attachment member from the lower surface side. It is the perspective view which looked at the principal part of the front part attachment member from the upper surface side. It is the perspective view which looked at the cap member from the upper side. It is the perspective view which looked at the cap member from the lower side. It is a principal part upper surface perspective view of the front part attachment member in a cap member mounting state. It is a principal part lower surface perspective view of the front part attachment member in a cap member mounting state. It is the perspective view which looked at the connection part of a rail bar and a front part attachment member from the lower side.

Explanation of symbols

1 Vehicle 2 Roof portion 3 Roof rail 4 Rail bar (the other end)
5 Front attachment member (attachment member, one end)
6 Rear attachment member (attachment member)
8 Cap member 9 Cap member 20 First engagement portion 22 Second engagement portion C Cap member insertion allowance (portion on the tip side)
R rail bar insertion allowance (tip side)

Claims (6)

  A roof rail mounting structure for mounting on a roof portion of a vehicle, wherein the roof rail includes a rail bar, a mounting member connected to an end of the rail bar and fixed to the roof portion, and the rail bar and the mounting member. A cap member interposed in the connecting portion, and the cap member is fitted to one end portion of the end portions of the rail bar or the attachment member to be connected from the outside, and the other end portion. The cap member is fitted from the inside, and the cap member is provided with a first engagement portion that engages with the rail bar, and a second engagement portion that engages with the attachment member, and the first engagement portion. And the second engaging portion is provided at substantially the same position in the connecting direction of the rail bar and the mounting member and at a position facing each other. Mounting structure of Lumpur.   2. The cap member and the one end portion are formed such that a portion on a tip end side of the one end portion is longer than the first engagement portion and the second engagement portion. Roof rail mounting structure. The cap member is fitted to an end portion of the mounting member from the outside, and is fitted to an end portion of the rail bar from the inside. The first engagement portion is a connecting portion between the rail bar and the mounting member. The roof rail mounting structure according to claim 1, wherein the roof rail mounting structure is provided on a lower side of the roof rail.   A method for attaching a roof rail to be attached to a roof portion of a vehicle, wherein the roof rail includes a rail bar, an attachment member connected to an end of the rail bar and fixed to the roof portion, and the rail bar and the attachment member. A cap member interposed in the connecting portion, and the cap member is provided with a first engagement portion that engages with the rail bar and a second engagement portion that engages with the attachment member. The first engagement portion and the second engagement portion are provided at substantially the same position in the connection direction of the rail bar and the attachment member and at positions facing each other, and the cap member is connected to the rail bar or the By fitting inside the other end together with the one end after fitting from the outside to one end of the end of the mounting member, Serial The previously connecting the mounting member and the rail bar by fixing the mounting member to the roof portion, the roof rail attachment method characterized by attaching the roof rails on the roof portion.   The roof rail mounting method according to claim 4, wherein a tip of the one end protrudes beyond a tip of the cap member. The cap member is fitted from the outside to the end portion of the mounting member, and is fitted from the inside to the end portion of the rail bar, and the end portion of the mounting member is at a position facing the first engaging portion. The roof rail mounting structure according to any one of claims 1 to 3, wherein a recess serving as a deformation-permitting space of the first engagement portion is provided.

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