JPH0640350A - Car body structure - Google Patents

Abstract

(57) [Abstract] [Purpose] To improve the workability of assembling the radiator support upper center member to the upper part of the front end of the vehicle body [Configuration] The apron upper member upper member 19 is welded with the radiator support upper side member 26. A nut 30 is welded to the through hole 28 of the projecting portion 26A of the radiator support upper side member 26. Through holes 32 are formed in both ends of the radiator support upper center member 18 in the vehicle width direction at both ends 18A, and a centering washer 34 is provided coaxially with the through holes 32.
Is welded. A bolt 36 is screwed into the centering washer 34, and a leg portion 38 of the bolt 36 has a large diameter portion 38A in contact with the inner circumference of the centering washer 34 and a nut 30 of the radiator support upper side member 26.
Small-diameter portion 38B, which is screwed into
It has a tapered portion 38C between it and B.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle body structure, and more particularly to a vehicle body structure in which both ends of a radiator support upper center member in the vehicle width direction are detachably attached to the upper front end of the vehicle body.

[0002]

2. Description of the Related Art Generally, in a car body structure,
As shown in FIG. 4, a pair of front side members 70 are provided on the front side of the vehicle body in parallel with the center line of the vehicle body and at intervals in the vehicle width direction, and between the front ends of these front side members 70. The front cross member 72 is mounted horizontally, and both end portions of the front side member 70 in the vehicle width direction are fixed to the front end of the front side member 70 by spot welding or the like. A radiator support panel 74 is erected on both sides of the front cross member 72 in the vehicle width direction, and a radiator support upper center member 76 is provided between the upper edge 74A of the radiator support panel 74 which is the upper front end of the vehicle body. And the both ends 76A of the radiator support upper center member 76 are fixed to the upper edge 74A of the radiator support panel 74 by spot welding or the like.

However, in this automobile body structure, when each component is assembled in the engine room,
There was a problem that the radiator support upper center member 76 was an obstacle and the workability was not good.

Japanese Utility Model Laid-Open No. 59-88374 discloses a vehicle body structure for improving this problem. As shown in FIG. 5, in the vehicle body structure of this automobile, the radiator support panel 8 which is the upper front end of the vehicle body is provided.
A radiator support upper center member 84 is laterally provided between the upper edges 82A of the second upper end 82A and both end portions 84A of the radiator support upper center member 84 in the vehicle width direction.
Are detachably attached to the upper edge 82A of the radiator support panel 82 by bolts 86 or the like. Therefore, in this vehicle body structure, when assembling each part in the engine room, the radiator support upper center member 84 can be removed from the radiator support panel 82, and when assembling each part in the engine room. Radiator support hot center member 84
Does not get in the way of work.

However, in the vehicle body structure of this automobile, when the radiator support upper center member 84 is removed from the radiator support panel 82,
The rigidity of the radiator support panel 82 may decrease, and the pitch of the shaft center of the mounting hole portion 86 provided in the radiator support panel 82 may change. Therefore, next, when the radiator support upper center member 84 is attached to the radiator support panel 82 by the bolts 86 or the like, the attachment hole portion 88 of the radiator support upper center member 84 and the attachment hole portion 8 of the radiator support panel 82 are attached.
6 does not match, and there is a problem that assembly workability is significantly reduced.

[0006]

SUMMARY OF THE INVENTION In consideration of the above facts, an object of the present invention is to obtain an automobile body structure capable of improving the workability of assembling the radiator support upper center member to the upper front end of the vehicle body. is there.

[0007]

According to a first aspect of the present invention, there is provided a vehicle body structure of an automobile in which both ends of a radiator support upper center member in a vehicle width direction are detachably attached to a vehicle body front end upper portion. The nuts that are fixed, the mounting holes that are provided at both ends of the radiator support upper center member in the vehicle width direction and have a diameter larger than the inner diameter of the nut, and the inner diameter that is fixed to the mounting holes is the same as the mounting hole. A centering washer having an inner diameter or less, a head contacting the centering washer, a large diameter part contacting the inner circumference of the centering washer, a small diameter part mounted on the nut, the large diameter part and the small diameter part. And a bolt formed of a leg portion including a taper portion between and.

[0008]

According to the first aspect of the invention, when the radiator support upper center member is mounted on the upper portion of the front end of the vehicle body, the radiator support upper center member is fixed to the mounting hole portions provided at both ends in the vehicle width direction of the radiator support upper center member. The leg portion of the bolt is inserted into the centering washer thus formed, and the small-diameter screw portion of the leg portion is screwed into the nut fixed to the upper front end of the vehicle body. Therefore, the pitch of the nut axis fixed to the upper part of the front end of the vehicle body due to the bending of the upper part of the front end of the vehicle body is displaced from the pitch of the shaft holes of the mounting holes provided at both ends of the radiator support upper center member in the vehicle width direction. In this case, as the small diameter portion of the bolt leg is screwed into the nut, the taper of the bolt leg slides along the inner peripheral edge of the centering washer so that the upper front end of the vehicle body is integrated with the upper front end of the vehicle body. The nut of the nut fixed to the shaft is moved in a direction in which it fits to the pitch of the shaft center of the mounting holes provided at both ends of the radiator support upper center member in the vehicle width direction.

As a result, the nuts of the nut shaft fixed to the upper part of the front end of the vehicle body at the position where the large diameter portion of the bolt contacts the inner circumference of the centering washer are located at both ends of the radiator support upper center member in the vehicle width direction. It fits the pitch of the axis of the mounting hole provided, and in this state, the bolt head comes into contact with the centering washer, and the radiator support upper center member is fixed to the upper front end of the vehicle body. Therefore, even when the pitch of the nut axis fixed to the upper part of the front end of the vehicle body deviates from the pitch of the axial center of the mounting holes provided at both ends of the radiator support upper center member in the vehicle width direction, It is possible to easily attach the radiator support upper center member to, and to improve the workability of assembling the radiator support upper center member to the upper portion of the front end of the vehicle body.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the vehicle body structure of an automobile according to the present invention will be described with reference to FIGS.

In the figure, the arrow FR indicates the front direction of the vehicle body, the arrow IN indicates the inner direction of the vehicle body, and the arrow UP indicates the upper direction of the vehicle body.

As shown in FIG. 3, front side members 12 which are parallel to each other along the vehicle body front-rear direction are arranged at the lower portions of both ends of the front portion 10 of the vehicle body in the vehicle width direction. The outer member 12 and the inner member 12 are joined together to form a closed cross-section 12. A front cross member 14 is arranged in the lower part of the front end of the front portion 10 of the vehicle body along the vehicle width direction, and both end portions of the front cross member 14 in the vehicle width direction are located at the front end portions of the front side members 12. Each is fixed. An apron upper member 16 that is parallel to the front-rear direction of the vehicle body is disposed above the front side member 12 in the vehicle body vertical direction.
The front end of 6 and the front end of the front side member 12 are
The radiator support panels 17 are connected to each other.
In addition, a radiator support upper center member 18 is horizontally installed at the front end of the apron upper member 16.

As shown in FIG. 1, the apron upper member 16 comprises an apron upper member member 19 which constitutes an upper part of the apron upper member 16 and an apron upper member member 19 which constitutes a lower part of the apron upper member 16. Two
It is composed of 0 and. Apron Atspa Member Atspa 1
The cross-sectional shape of the vehicle body 9 as viewed from the front of the vehicle body is U-shaped with the opening facing downward in the vehicle body vertical direction. The vehicle width direction outer side wall portion 19A of the apron upper member upper member 19 is inclined downward in the vehicle width direction, and the lower end portion of the vehicle width direction outer side wall portion 19A is further bent obliquely downward in the vehicle width direction. And a flange 19B. The cross-sectional shape of the apron upper member under 20 as viewed from the front of the vehicle body is L-shaped, and the vehicle width direction inner side wall portion 20A is the lower end portion of the vehicle width direction inner side wall portion 19C of the apron upper member member 19. Is welded from the outside in the vehicle width direction. The outer end of the apron upper member upper portion 19 in the vehicle width direction is inclined downward toward the outer side in the vehicle width direction to form a flange 20B.
0B is the flange 19 of the apron upper member upper 19.
It is welded to B. Therefore, apron online member 1
Reference numeral 6 includes a closed cross-section portion 22 extending in the front-rear direction of the vehicle body.
Further, the front fan apron 2 is attached to the lower end of the inner wall portion 19C of the apron upper member upper 19 in the vehicle width direction.
4 is welded from the inside in the vehicle width direction, and the lower end of the front fan apron 24 is welded to the front side member 12 shown in FIG. 3 from the inside in the vehicle width direction.

A radiator support upper side member 26 as an upper portion of the front end of the vehicle body is welded to the upper surface portion 19D of the apron upper member upper 19, and the inner end portion of the radiator support upper side member 26 in the vehicle width direction is welded. The protrusion 26 </ b> A extends inward in the vehicle width direction and protrudes inward in the vehicle width direction from the upper surface portion 19 </ b> D of the apron upper member upper 19. A through hole 28 is formed in the protruding portion 26A of the radiator support upper side member 26, and a nut 30 is welded to the lower surface of the protruding portion 26A coaxially with the through hole 28. The inner diameter of the nut 30 is slightly smaller than the hole diameter of the through hole 28.

Radiator support upper center member 1
A through hole 32 as a mounting hole is formed at both ends 18A in the vehicle width direction of 8 and the diameter of the through hole 32 is larger than the diameter of the through hole 28 of the radiator support upper side member 26. Has been done. On the upper surface of both ends 18A of the radiator support upper center member 18 in the vehicle width direction,
The centering washer 34 is welded coaxially with the through hole 32, and the inner diameter of the centering washer 34 is larger than the hole diameter of the through hole 28 and smaller than the hole diameter of the through hole 32. A leg portion 38 of a bolt 36 is inserted into the centering washer 34 from above in the vehicle body vertical direction. The leg portion 38 of the bolt 36 is a centering washer 34.
Large-diameter portion 38A that contacts the inner circumference of the small-diameter portion 3 that is screwed into the nut 30 of the radiator support upper side member 26
8B and a taper portion 38C between the large diameter portion 38A and the small diameter portion 38B, and the position where the large diameter portion 38A of the leg portion 38 of the bolt 36 contacts the inner circumference of the centering washer 34 (see FIG. 1 position), the flange 39 of the head 39 of the bolt 36
A contacts the centering washer 34 and fixes the radiator support upper center member 18 to the radiator support upper side member 26.

Next, the operation of this embodiment will be described.
Before starting the coating process, the radiator support upper center member 18 and the apron upper member upper 19 are temporarily fixed with the bolt 36 and the nut 30 inserted into the centering washer 34, and the radiator support upper side member. The attachment pitch (B in FIG. 1) of 26 is determined, and the radiator support upper side member 26 is welded to the apron upper member upper 19. In this case, the centering washer 34 has an adhesive applied to the mating surface with the radiator support upper center member 18, and this adhesive is hardened by the heat of the painting process, so that the centering washer 34 becomes the radiator support upper. It is fixed to the center member 18.

After the painting process is completed, the bolt 36 is removed, the radiator support upper center member 18 is removed from the radiator support upper side member 26, and the radiator support upper center member 18 is used to assemble the front module. To do. After assembling the front module, the radiator support upper center member 18 together with the front module is attached to the radiator support upper side member 26 with the bolts 36 by the following procedure.

As shown in FIG. 2, the leg portion 38 of the bolt 36 is inserted into the centering washer 34 fixed to the radiator support upper center member 18, and the bolt 36 is inserted.
The small diameter portion 38B of the leg portion 38 is screwed into the nut 30 fixed to the radiator support upper center member 18.
Therefore, after the painting process is completed, by removing the radiator support upper center member 18 from the radiator support upper side member 26, the left and right rigidity of the apron upper member 16 is insufficient, and the radiator support is supported by the weight of the upper front end of the vehicle body or the like. Nut 3 of Atsupa Side Member 26
When the pitch P1 of the shaft center of 0 is displaced from the pitch P2 of the shaft center of the through hole 32 of the radiator support upper center member 18, as the bolt 36 is screwed into the nut 30, the inner diameter upper end of the centering washer 34 is Part 34
The tapered portion 38C of the leg portion 38 of the bolt 36 slides along A. As a result, the upper portion of the front end of the vehicle body to which the radiator support upper side member 26 is integrally fixed is aligned in the direction in which the pitch P1 is aligned with the pitch P2 (arrow A in FIG. 2).
1), the large diameter portion 38A of the leg portion 38 of the bolt 36 comes into contact with the inner diameter of the centering washer 34, and the through hole 28 of the radiator support upper side member 26 is formed. , The radiator support upper center member 18 and the through hole 32 are coaxial with each other, and in this state, the flange 39A of the head 39 of the bolt 36 abuts the centering washer 34, and the radiator support upper side member 26 receives the radiator support. The upper center member 18 is fixed.

Therefore, even if the axial center pitch of the nut 30 of the radiator support upper side member 26 deviates from the axial center pitch of the through-hole 32 of the radiator support upper center member 18, The radiator support upper center member 18 can be easily attached to the side member 26, and the workability of assembling the radiator support upper side member 26 to the radiator support upper center member 18 can be improved.

In the above embodiment, both end portions 18A of the radiator support upper center member 18 in the vehicle width direction are connected to the protrusions 26 of the radiator support upper side member 26.
Although it is attached to A, instead of this, both ends 18A of the radiator support upper center member 18 in the vehicle width direction may be attached to the upper edge portion of the radiator support panel 17 or the front end portion of the apron upper member 16.

[0021]

As described above, the present invention has an excellent effect that the workability of assembling the radiator support upper center member to the upper portion of the front end of the vehicle body can be improved.

[Brief description of drawings]

1 is a sectional view taken along line 1-1 of FIG.

FIG. 2 is an explanatory view showing the mounting of a radiator support upper center member to which a vehicle body structure of an automobile of one embodiment of the present invention is applied to a radiator support panel.

FIG. 3 is a perspective view showing a front portion of a vehicle body to which a vehicle body structure for an automobile according to an embodiment of the present invention is applied.

FIG. 4 is a perspective view showing a front portion of a vehicle body to which a conventional vehicle body structure of an automobile is applied.

FIG. 5 is a perspective view showing a vehicle body front portion to which another conventional vehicle body structure of an automobile is applied.

[Explanation of symbols]

 16 Apron Upper Member 18 Radiator Support Upper Center Member 26 Radiator Support Upper Side Member 26A Projection 28 Through Hole 30 Nut 32 Through Hole 34 Centering Washer 36 Bolt 38 Leg 38A Large Diameter 38B Small Diameter 38C Taper 39 Head 39A Brim

Front Page Continuation (72) Inventor Masami Yamada 100 Kanayama, Ichiriyama-cho, Kariya city, Aichi Prefecture Toyota Toyota Auto Body Co., Ltd.

Claims (1)

[Claims] 1. In a vehicle body structure of an automobile in which both ends of a radiator support upper center member in a vehicle width direction are detachably attached to a vehicle body front upper end, a nut fixed to the vehicle body front upper end and the radiator support upper center member. Mounting holes provided at both ends in the vehicle width direction of the nut and having a larger diameter than the inner diameter of the nut, a centering washer fixed to the mounting hole and having an inner diameter not larger than the inner diameter of the mounting hole, and the centering washer. And a large diameter portion that contacts the inner circumference of the centering washer, a small diameter portion that is mounted on the nut, and a leg portion that includes a taper portion between the large diameter portion and the small diameter portion. A vehicle body structure including a bolt and the like.