JPH0740787A - Installation structure for roof rack - Google Patents

Abstract

PURPOSE:To provide an installation structure for a roof rack, which can sufficiently support the roof rack at the ceiling wall section, and can be easily installed in place. CONSTITUTION:The structure is equipped with a roof panel 1 including a ceiling wall section 3 and a side wall section 7, a roof rack 21 having a leg section 25 and a bracket 31, and with a reinforcing member 41 which is disposed in the inner side of the roof panel 1, and is fastened to the side wall section 7 together with the bracket 31. The reinforcing member 41 includes both a side wall reinforcing section 44 which is formed into a shape roughly adjusted to an inner surface shape going over a way from the side wall section 7 of the roof panel 1 to the ceiling wall section 3, and ceiling reinforcing section 43 reinforcing the ceiling wall section 3 with which the leg section 25 is brought into contact. Besides, a bead section 51 is interposed between the side wall reinforcing section 44 and the ceiling reinforcing section 43, and the bead section has a temporary fastening section 53 temporarily locked on to the roof panel 1 side.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof rack mounting structure for an automobile.

[0002]

2. Description of the Related Art FIG. 3 is an overall view of a vehicle to which a roof rack is attached, and FIG. 4 is an AA sectional view of FIG. 3 showing an example of a conventional roof rack attachment structure.

As shown in FIG. 4, the roof panel 1 has a ceiling wall portion 3 forming a vehicle body roof of an automobile. A bent portion 5 that bends inward in the vehicle width direction is formed at an end edge of the ceiling wall portion 3, and an end edge of the bent portion 5 is bent further downward to form a side wall portion 7. The roof rack 21 includes leg portions 25 that come into contact with the ceiling wall portion 3 from above and outside.
And is mounted on the roof panel 1. One end 31a of the bracket 31 is connected to the leg portion 25, and an intermediate portion 71b of the bracket 31 extends along the outer shape of the bent portion 5 of the roof panel 1. A mounting hole 33 for inserting a fastening bolt 35 into the other end 31c of the bracket 31.
Are formed. A plate-shaped reinforcing member 75 that reinforces and supports the side wall portion 7 is fixed to the side wall portion 7 of the roof panel 1 inside the vehicle compartment by spot welding or the like, and a bracket is attached to the side wall portion 7 and the reinforcing member 75 of the roof panel 1. 31 mounting holes 3
Bolt insertion holes 55 and 57 are formed so as to face 3. On the vehicle interior side of the reinforcing member 75, the bolt insertion holes 55,
The nut 37 is fixed by welding or the like according to 57.

According to this structure, the roof rack 21 is mounted by mounting the bolt 35 from the mounting hole 33 to the bolt insertion hole 5
It is carried out by inserting into 5, 57 and fastening it to the nut 37 (see Japanese Patent Laid-Open No. 4-237651).

[0005]

By the way, the structure shown in FIG. 4 is a structure in which the load applied to the roof rack 21 is received by the ceiling wall portion 3 of the roof panel 1 and the bracket 31. Compare bracket 3
1 gives a stronger bearing capacity. Therefore, when the support force of the bracket 31 is strengthened in order to further strengthen the support force of the roof rack 21 or when the load applied to the roof rack 21 is increased, the bracket 3 is mounted more than the roof panel 1.
The bearing capacity of 1 becomes larger. When the support force of the bracket 31 increases in this way, the roof rack 2
There is a risk that a moment acts on the leg portion 25 of No. 1 and the roof panel 1 and the contact surface 25a of the leg portion 25 in contact with the roof panel 1 are distorted.

Further, since the reinforcing member 75 must be fixed to the side wall portion 7 of the roof panel 1, the work is complicated.

[0007] Therefore, an object of the present invention is to provide a roof rack mounting structure in which the roof rack can be sufficiently supported on the ceiling wall and the mounting work is easy.

[0008]

A roof rack mounting structure according to the present invention includes a ceiling wall portion forming a vehicle body roof portion, and a roof panel having a side wall portion at an edge of the ceiling wall portion in the vehicle width direction. A roof rack having a leg portion that abuts the outer surface of the ceiling wall portion and a bracket whose end portion faces the outer surface of the side wall portion of the roof panel; and a roof disposed on the inner surface side of the roof panel on the roof. A reinforcing member that is fastened together with a bracket of a rack, wherein the reinforcing member is formed in a shape substantially conforming to an inner surface shape extending from a side wall portion of the roof panel to a ceiling wall portion and is fastened to an inner surface of the side wall portion. Section and a ceiling reinforcing portion that reinforces the ceiling wall portion with which the legs come into contact, and a bead portion between the side wall reinforcing portion and the ceiling reinforcing portion, and is temporarily locked to the roof panel side. Temporary stop It is characterized in that it has a.

[0009]

In the reinforcing member arranged on the inner surface side of the roof panel, the side wall reinforcing portion reinforces the side wall portion of the roof panel, and the ceiling reinforcing portion reinforces the ceiling wall portion of the roof panel. An end portion of a bracket that supports the roof rack is fastened to the side wall portion reinforced by the side wall reinforcement portion, and the ceiling wall portion reinforced by the ceiling reinforcement portion supports the leg portion. That is, since the support for the ceiling wall portion and the support for the bracket with respect to the leg portion are both performed by the reinforcing member, and the bead portion is provided between the side wall reinforcing portion and the ceiling reinforcing portion, the leg portion is reinforced. The support and the reinforcement support of the bracket are equivalent, and the roof bracket can be supported by a sufficient balanced support force.

When the roof rack is attached to the vehicle body, the temporary fixing portion is temporarily locked to the roof panel side, and the bracket and the side wall reinforcing portion are fastened and fixed via the side wall portion of the roof panel in the temporarily fixed state. Since it is good, the work of mounting the roof rack can be easily performed.

[0011]

Embodiments of the present invention will be described below.

FIG. 1 shows a partially omitted sectional view of a roof rack mounting structure according to an embodiment of the present invention, and FIG.
The perspective view of the reinforcing member of FIG.

As shown in FIG. 1, a roof panel 1 has a ceiling wall portion 3 that forms a roof of an automobile, and a bent portion 5 that bends inward in the vehicle width direction is formed at an edge of the ceiling wall portion 3. There is.
A side wall portion 7 is continuously extended below the bent portion 5, and a tip end of the side wall portion 7 is bent outward in the vehicle width direction. A roof support member 11 is connected to the lower surface 9a of the tip 9 of the side wall portion 7,
The roof support member 11 is fixedly supported by a side roof rail (not shown) that is provided in the vehicle front-rear direction. A drip weather strip 13 is attached to the front end 9 of the roof panel 1, and when the door is closed, the upper portion of the door panel 15 contacts the drip weather strip 13 to maintain the airtightness and watertightness of the vehicle interior.

The roof rack 21 is provided with a shelf portion 23 which is erected in the vehicle width direction and on which luggage or the like is placed, and legs 25 which support the shelf portion 23 at both ends in the vehicle width direction. An abutment surface 25a is formed on the lower surface of the leg portion 25 so as to come into contact with the ceiling wall portion 3 from above and outside.
1 is mounted on the roof panel 1. One end 31a of a plate-shaped bracket 31 is connected to the outside of the leg portion 25 in the vehicle width direction, and an intermediate portion 31b of the bracket 31 extends downward along the outer shapes of the bent portion 5 and the side wall portion 7 of the roof panel 1. ing. A mounting hole 33 for fastening a bolt is formed in the other end 31c of the bracket 31, and the bolt 35 and the nut 3
The bracket 31 is fastened to the side wall 7 side of the roof panel 1 by 7.

The bent portion 5 of the roof panel 3 has a substantially U-shaped cross section, and an engaging portion 39 which is recessed downward is press-molded on the lower inner surface 5a which is continuous with the side wall portion 7.

A plate-shaped reinforcing member 41 is arranged on the inner surface side of the roof panel 1. The reinforcing member 41 includes a ceiling reinforcing portion 43 that reinforces the ceiling wall portion 3 with which the legs 25 of the roof rack 21 come into contact, and a side wall reinforcement that is fastened to the inner surface of the side wall portion 7 of the roof panel 1 together with the other end 31c of the bracket 31. And a portion 44. A vertically extending portion 45 that bends vertically downward to support the ceiling reinforcing portion 43 is provided at an outer edge of the ceiling reinforcing portion 43 in the vehicle width direction, and the side wall reinforcing portion 49 extends from the vertically extending portion 45 to the vehicle interior. Bottom portion 47 that bends in the direction, and the bottom portion 47
And a fastening portion 49 which is bent vertically downward from and is fastened and fixed to the inner surface of the side wall portion 7 of the roof panel 1 together with the other end 31c of the bracket 31.

As shown in FIG. 2, the ceiling reinforcing portion 43 and the vertically extending portion 45, and the bottom portion 47 and the fastening portion 49 constituting the side wall reinforcing portion 44 are arranged from the side wall portion 7 of the roof panel 1 to the ceiling wall portion 3.
It is formed integrally and continuously so as to have a shape that substantially conforms to the inner surface shape extending over. A bead portion 51 that reinforces the vertically extending portion 45 is vertically press-molded at both ends of the vertically extending portion 45 located between the side wall reinforcing portion and the ceiling reinforcing portion. Further, at a substantially central portion of the bottom portion 47, a temporary fixing portion 53 is provided by cutting a part of the bottom portion 47 and bending it downward.

As shown in FIG. 1, when the reinforcing member 41 is aligned with the inner surface of the roof panel 1 and pressed outward in the vehicle width direction,
The temporary fixing portion 53 is temporarily locked to the engaging portion 39, and the reinforcing member 41
Is temporarily fixed to the inner surface side of the roof panel 1.

The side wall portion 7 of the roof panel 1 and the reinforcing member 4
Bolt insertion holes 55 and 57 are formed in the first fastening portion 49 so as to face the mounting hole 33 of the bracket 31. A nut 37 is fixed to the inner surface of the reinforcing member 41 by spot welding or the like so as to match the bolt insertion holes 55 and 57. From the mounting hole 33 to the bolt 35, the bolt insertion holes 55, 5
7 and is fastened to the nut 37. This allows
The reinforcing member 41 is fastened together with the bracket 31 to the side wall portion 7 of the roof panel 1.

Next, the operation will be described.

When the roof rack 1 is mounted on the vehicle body,
First, the reinforcing member 41 is pressed outward in the vehicle width direction so as to be aligned with the inner surface of the roof panel 1, and the temporary fixing portion 53 is temporarily locked to the engaging portion 39 to bring the reinforcing member 41 into the temporary fixing state. And
Through the side wall portion 7 of the roof panel 1, the bracket 31 and the fastening portion 49 are fastened and fixed by the bolt 35 and the nut 37. In this way, since the bracket 31 can be fastened and fixed with the reinforcing member 41 temporarily fixed, the mounting work of the bracket 31 can be easily performed.

When the bracket 31 is thus fixedly fastened, the side wall reinforcing portion 44 of the reinforcing member 41 is
Side wall 7 of roof panel 1 to which bracket 31 is fastened
The ceiling reinforcing portion 43 reinforces the ceiling wall portion 3 of the roof panel 1 with which the leg portion 25 abuts. That is, the leg 25
The ceiling member 3 is supported by the reinforcing member 41 and the roof rack 21 is supported by the bracket 31, and the bead portion is provided in the vertically extending portion 45 located between the side wall reinforcing portion and the ceiling reinforcing portion. Since the 51 is formed, the leg portion 2
The reinforcement support of 5 and the reinforcement support of the bracket 31 are equivalent, and the leg portion 25 can be supported with a sufficient support force.
Further, the reinforcing member 41 is provided in the roof bracket 21 from two directions.
, The roof rack 21 can be more firmly fixed and supported.

Further, since the support from both directions is carried out by the reinforcing member 41, when the support force of the bracket 31 is strengthened in order to strengthen the support force of the roof rack 21, the load applied to the roof rack 21 is increased. Even if it increases, only the supporting force of the bracket 31 does not increase as compared with the ceiling wall portion 3, and the balance of both supporting forces is maintained.
Therefore, a twisting moment does not act on the leg portions 25 of the roof rack 21 and the contact surface 25a of the leg portions 25 is not distorted, and the roof rack 21 can be stably supported.

[0024]

As is apparent from the above, according to the structure of the present invention, since the side wall portion and the ceiling wall portion are reinforced by the reinforcing member, the roof bracket can be supported by a sufficient balanced supporting force. Therefore, a stable support state of the roof rack can be secured.

When the roof rack is mounted on the vehicle body, the bracket can be fastened and fixed to the temporarily fixed reinforcing member, so that the mounting work can be easily performed.

[Brief description of drawings]

FIG. 1 is a sectional view according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a reinforcing member of FIG.

FIG. 3 is an overall view of a vehicle to which a roof rack is attached.

FIG. 4 is a sectional view of a conventional example.

[Explanation of symbols]

 1 Roof Panel 3 Ceiling Wall Part 7 Side Wall Part 21 Roof Rack 25 Leg Part 31 Bracket 41 Reinforcing Member 43 Ceiling Reinforcing Part 49 Side Wall Reinforcing Part 51 Bead Part 53 Temporary Fixing Part

Claims (1)

[Claims] 1. A ceiling wall portion forming a roof portion of a vehicle body,
The roof panel includes a roof panel having a side wall at the vehicle widthwise end of the ceiling wall, a leg portion abutting the outer surface of the ceiling wall portion, and a bracket having an end portion facing the outer surface of the side wall portion of the roof panel. A roof rack and a reinforcing member that is arranged on the inner surface side of the roof panel and is fastened to the side wall portion together with the bracket of the roof rack, and the reinforcing member has an inner surface shape extending from the side wall portion of the roof panel to the ceiling wall portion. A side wall reinforcing portion that is formed in a shape substantially conforming to the above and is fastened to the inner surface of the side wall portion, and a ceiling reinforcing portion that reinforces the ceiling wall portion that the legs contact, and the side wall reinforcing portion and the ceiling reinforcing portion. A roof rack mounting structure having a bead portion between and a temporary fixing portion temporarily locked to the roof panel side.