JPH06183370A - Body structure without roof molding - Google Patents

Abstract

PURPOSE:To reduce the parting line of a roof side so as to improve the outward appearance and reduce the number of part items. CONSTITUTION:A roof side panel 14 is formed of a roof side outer panel 16 and a roof side inner panel 18. The vehicle width direction inner edge part of the roof side outer panel 16 is bent downward to the inside of a body so as to be made into a flange 16A, and the vehicle width direction inner edge part of the roof side inner panel 18 is bent downward to the inside of the body so as to be made into a flange 18A. The vehicle width direction outer edge part of a roof panel 12 is bent downward to the inside of the body so as to be made into a flange 12A, and this flange 12A is welded in the overlapped state to the flange 16A of the roof side outer panel 16 and the flange 18A of the roof side inner panel 18.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof molding-less body structure, and more particularly to a roof molding-less body structure on a roof side of an automobile.

[0002]

2. Description of the Related Art Conventionally, on the roof side of an automobile, there is known a structure in which a groove formed in a joint portion between a roof panel and a roof side panel is covered with a molding, an example of which is a practical development method. No. 149457.

As shown in FIG. 3, in this roof side structure, a roof side outer panel 70 and a roof side inner panel 72 are joined together to form a closed cross section 74 extending in the front-rear direction of the vehicle body. An upper coupling flange 76 with the roof side inner panel 72 and a flange 78A formed on an outer edge portion of the roof panel 78 in the vehicle width direction are welded in a superposed state. Further, the welded portion is a groove portion 80 extending in the vehicle body direction, and a molding 82 for concealing the panel deformation at the time of welding and preventing the accumulation of wax, dust, etc. is fitted in the groove portion 80. There is.

[0004]

However, in this roof side structure, the roof side has the parting line 84 between the roof side outer panel 70 and the molding 82, and the parting line 86 between the roof panel 78 and the molding 82. , The roof side doesn't look good. Also, mall 8
Since 2 is required, there is a problem that the number of parts increases.

In view of the above facts, an object of the present invention is to provide a roof molding-less body structure capable of reducing parting lines on the roof side to improve appearance and reduce the number of parts.

[0006]

In the roof molding-less body structure of the present invention as defined in claim 1, a roof portion of a vehicle body is formed, and a flange is formed at an outer edge portion in the vehicle width direction toward a lower inner side of the vehicle body. A roof panel, a roof side outer panel that is arranged on the vehicle width direction outside of the roof panel along the vehicle front-rear direction, and has a flange formed on the vehicle width direction inner edge toward the inside of the vehicle body downward, and the vehicle body of the roof side outer panel. A roof side inner panel having a roof side outer panel and a roof side inner panel that forms a closed cross section extending in the vehicle front-rear direction with the roof side outer panel, and a flange formed on the vehicle width direction inner side edge toward the vehicle body inner side downward; The flange of the roof panel, the flange of the roof side outer panel and the flange of the roof side inner panel are overlapped and bonded. It is characterized in that the.

[0007]

In the roof moldingless body structure according to the present invention, the flange of the roof panel, the flange of the roof side outer panel and the flange of the roof side inner panel are all formed toward the lower inside of the vehicle body,
Since these flanges are polymer-bonded, the parting line on the roof side is one of the joints between the flange of the roof panel and the flange of the roof side outer panel. Therefore, the number of parting lines is reduced and the appearance is improved as compared with the conventional structure in which the number of parting lines on the roof side is two. Further, in the present invention, since there is no groove on the roof side and it is not necessary to provide a molding for covering the groove unlike the conventional structure, the number of parts can be reduced.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the roof molding-less body structure of the present invention will be described with reference to FIGS.

In the figure, an arrow FR indicates a front direction of the vehicle body, an arrow UP indicates an upward direction of the vehicle body, and an arrow IN indicates an inward direction of the vehicle width.

As shown in FIG. 2, the roof portion 10A of the vehicle body 10 is composed of a roof panel 12, and a roof side panel 14 extending to the front and rear of the vehicle body is provided at the vehicle width direction outer edge portion of the roof panel 12. It is arranged.

As shown in FIG. 1, the roof side panel 14 includes a roof side outer panel 16 which constitutes an outer side portion of the roof side panel 14 and a roof side inner panel 18 which constitutes an inner side portion of the roof side panel 14. ,,.

The inside edge of the roof side outer panel 16 in the vehicle width direction is bent downward toward the inside of the vehicle body to form the flange 1.
6A, and the front end of the flange 16A is bent toward the inner side in the vehicle width direction to form a flange 16B. Further, a flange 16C extending downward in the vehicle width direction is provided at an outer edge portion of the roof side outer panel 16 in the vehicle width direction.
Is formed, and the vehicle width direction intermediate portion 16D of the roof side outer panel 16 bulges outward of the vehicle body.

The inner edge of the roof side inner panel 18 in the vehicle width direction is bent downward toward the inside of the vehicle body to form the flange 1.
8A, and this flange 18A is welded to the flange 16A of the roof side outer panel 16 in a superposed state. In addition, a flange 18 extending downward toward the outside of the vehicle body is provided at an outer edge portion of the roof side inner panel 18 in the vehicle width direction.
B is formed, and this flange 18B is welded to the flange 16C of the roof side outer panel 16 in a superposed state. Therefore, the roof side outer panel 16 and the roof side inner panel 18 form a closed cross section 20 extending in the vehicle front-rear direction.

The outer edge portion of the roof panel 12 in the vehicle width direction is
The flange 12A is bent downward toward the inside of the vehicle body to form a flange 12A. The flange 12A is a flange 16A of the roof side outer panel 16 and a roof side inner panel 18.
And is welded to the flange 18A in a superposed state.

A coating sealant 24 is applied to the parting line 22 between the roof panel 12 and the roof side outer panel 16.

Next, the assembly procedure of this embodiment will be described. First, the flange 16A of the roof side outer panel 16,
16C and the flange 1 of the roof side inner panel 18
8A and 18B are respectively spot-welded to form the roof side panel 14 and assembled to the vehicle body. Next, a structural adhesive is applied to the vehicle width direction inner side surface of the flange 16A of the roof side outer panel 16 and the vehicle width direction outer side surface of the flange 12A of the roof panel 12, and the roof panel 12 is assembled to the vehicle body from above the vehicle body. The outer surface in the vehicle width direction of the flange 12A is overlapped with the inner surface in the vehicle width direction of the flange 16A, and the flange 12A of the roof panel 12 from the vehicle interior side is connected to the flange 16A of the roof side outer panel 16 and the flange 18A of the roof side inner panel 18. Spot welding is performed on the overlapping part with.

Next, after the structural adhesive is burned in by the electrodeposition coating process, the coating sealant 24 is applied and baked, and finally the outer plate is finished.

Next, the operation of this embodiment will be described. In the roof molding-less body structure of this embodiment, the roof panel 1
The second flange 12A, the flange 16A of the roof side outer panel 16, and the flange 18A of the roof side inner panel 18 are all formed toward the lower inside of the vehicle body, and these flanges are spot welded in a superposed state. Therefore, the parting line 22 on the roof side becomes one of the joints between the flange 12A of the roof panel 12 and the flange 16A of the roof side outer panel 16. For this reason, the number of parting lines is reduced and the appearance is improved as compared with the conventional structure in which the number of parting lines on the roof side is two (see FIG. 3).

Further, in the roof molding-less body structure of this embodiment, unlike the conventional structure (see FIG. 3), there is no groove on the roof side, and it is not necessary to provide a molding for covering this groove, so the number of parts is reduced. be able to.

Further, in the roof molding-less body structure of this embodiment, the structural adhesive is applied to the joint between the flange 12A of the roof panel 12 and the flange 16A of the roof side outer panel 16, so that the joint rigidity and the vehicle body Bending and torsional rigidity is improved. As a result, it is possible to prevent the joint from opening and the coating sealant 24 from cracking due to bending and twisting of the vehicle body.

[0021]

The roof molding-less body structure of the present invention constitutes a roof portion of a vehicle body, and a roof panel having a flange formed at an outer edge portion in the vehicle width direction toward the inner side of the vehicle body, and a vehicle having this roof panel. A roof side outer panel that is arranged along the front-rear direction of the vehicle on the outside in the width direction and has a flange formed on the inner edge of the vehicle width direction toward the inside of the vehicle, and a roof side outer panel that is arranged inside the vehicle on the roof side outer panel. A roof side inner panel having a closed cross section extending in the front-rear direction of the vehicle body, and a flange formed on an inner edge of the vehicle width direction toward a lower side of the vehicle body; and a flange of the roof panel and a flange of the roof side outer panel. The roof side inner panel has a flange that is polymer-bonded to reduce the roof side parting line. It has an excellent effect that it is possible to reduce the number of parts with and to improve the appearance.

[Brief description of drawings]

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

FIG. 2 is a perspective view showing a vehicle body to which a roof molding-less body structure in one embodiment of the present invention is applied.

FIG. 3 is a sectional view corresponding to FIG. 1 of a conventional example.

[Explanation of symbols]

 10 vehicle body 10A roof part 12 roof panel 12A flange 14 roof side panel 16 roof side outer panel 16A flange 18 roof side inner panel 18A flange 20 closed cross section

Claims (1)

[Claims] 1. A roof panel that constitutes a roof part of a vehicle body and has a flange formed on an outer edge portion in the vehicle width direction toward the inside of the vehicle body downward, and a vehicle body longitudinal direction on the vehicle width direction outer side of the roof panel. A closed cross-section portion that extends in the vehicle front-rear direction by a roof side outer panel that is disposed and has a flange formed at an inner edge portion in the vehicle width direction toward the lower side of the vehicle body, and the roof side outer panel that is disposed inside the vehicle body of the roof side outer panel. And a roof side inner panel in which a flange is formed on the inner edge of the vehicle width direction toward the inside of the vehicle body downward, and the flange of the roof panel, the flange of the roof side outer panel, and the roof side inner panel A roof molding-less body structure, which is characterized by polymer-bonded flanges.