JPS6333743Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to a vehicle body structure that can improve assembly workability and vehicle body strength at the rear of an automobile, particularly at the rear end corner.

[Prior art]

Conventionally, as the rear body structure of general automobiles,
As described in Japanese Utility Model Publication No. 57-187270, a floor panel fixed to the rear frame,
There was one that was joined to the rear quarter panel.

Further, as another rear vehicle body structure, there has been one shown in FIG. 1 in the past. In FIG. 1, reference numeral 1 denotes a floor panel, and a rear frame 2 extending in the longitudinal direction of the vehicle body is disposed on the lower surface of the floor panel 1. The rear frame 2 has a hat-shaped cross section and a connecting flange thereof. The portion 2a is fixed to the floor panel 1 by welding. Reference numeral 3 designates a quarter panel constituting the rear part of the side of the vehicle body, and a rear fender 5 is provided on the outside of the vehicle interior of the quarter panel 3.
are arranged, and connection flanges 5a and 3 formed at the lower ends of the rear fender 5 and the quarter panel 3
a are mutually welded. A floor side 4 is disposed between the interior side of the quarter panel 3 and the floor panel 1, and connecting flanges 4a and 4b are provided at both ends of the floor side 4, respectively. is welded to the edge of the Further, a cross member 6 is disposed between the lower part of the floor side 4 of the quarter panel 3 and the rear frame 2, and connection flanges 6a and 6b formed at both ends of the cross member 6 are connected to the quarter panel 3, respectively. It is fixed to the panel 3 and rear frame 2 by welding.

However, in such a conventional car body structure, in order to join the floor side 4 and cross member 6 to the quarter panel 3, a working hole is required to insert a welding gun, and a welding gun with a long arm is required. The assembly workability of these was low. Furthermore, when attaching a rear bumper to the rear end of the vehicle, conventionally the part between the quarter panel 3 and the rear fender 5 is used to bolt the end of the soft fascia. In the conventional mounting structure, since the quarter panel 3 and the rear fender 5 have closed cross sections, there was a problem that the workability of the mounting work was poor.

[Purpose of the invention] The present invention was devised in view of the conventional problems as described above, and is an automobile that can greatly improve the ease of assembling the cross member, and also greatly improve the lateral rigidity of the cross member and the strength of the vehicle body. The purpose is to provide a rear body structure for the vehicle.

[Structure of the idea]

The present invention is a rear body structure of an automobile, in which a quarter panel is divided into an upper panel and a lower panel, the lower panel is formed in a shape that follows the rear fender, and a joining flange is formed downward on both panels and the cross member, These three joint flanges are joined to each other, and this makes it possible to easily weld the top panel, lower panel, and cross member from the outside without drilling holes in the quarter panel. The lateral rigidity of the lower panel can also be reinforced.

〔Example〕

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

2 and 3 show an embodiment of the present invention.
In the figure, the same reference numerals as in FIG. 1 indicate the same or corresponding parts, and the quarter panel 13 of this embodiment is divided into an upper panel 11 and a lower panel 12. The lower panel 12 has a roughly L-shaped cross section consisting of a horizontal side 12a and a vertical side 12b, and the vertical side 12b is the lower part of the rear fender 15 disposed on the outside of the quarter panel 13. The lower end of the longitudinal side 12b is welded to the lower end of the rear fender 15, and a mounting flange 12d is bent toward the interior of the vehicle at the rear end of the lower panel 12. It is formed. Also, a mounting flange portion 15a is formed at the rear end of the rear fender 15 by bending it toward the inside of the vehicle, and this is welded to the mounting flange portion 12d of the lower panel 12.
A plurality of mounting holes 18 are formed in a for mounting a rear bumper soft fascia (not shown).

Further, on the outside and inside edges of the floor side 14 disposed between the atsupah panel 11 and the floor panel 1, there are downwardly facing horizontal outside and inside flange portions 14.
a, 14b are formed, and the flange portions 14a, 1
4b is fixed to the upper panel 11 and the floor panel 1 by welding.

The outer flange portion 6a of the cross member 6 disposed between the upper panel 11 and the rear frame 2 is connected to the flange portion 11a formed at the lower end of the upper panel 11 and the inner side end of the lateral side portion 12a of the lower panel 12. The flange portion 12c is welded and fixed to the flange portion 12c, which is bent downward at the portion.

Further, 16 is an end panel that connects the rear ends of the left and right rear fenders 15 to form the rear end of the vehicle body, and combination lamp mounting holes 16a are formed on the left and right sides of the end panel. . Reference numeral 17 denotes left and right seal plates that cover the rear end surfaces of the cross member 6, rear frame 2, and the like.

In the structure of this embodiment, when welding the quarter panel 13 to the floor side 14 and the cross member 6, the lower panel 12 and the cross member 6 are welded together.
Before assembling the floor side 14, the floor side 14 is welded to the top panel 11. First, a welding gun is inserted from below and the tip is used to assemble the floor side 14.
The outer flange portion 14a of No. 4 and the upper panel 11 are sandwiched and welded. Next, in order to join the cross member 6, upper panel 11, and lower panel 12, a welding gun is inserted from below, and the joint flange portions 6a, 11a, 12c are held and welded with the tips of the welding gun.

In addition, in order to attach the soft fascia of the rear bumper to the vehicle body of this example, the rear fender 1
5. Mounting flange portion 15a, 1 of lower panel 12
A mounting bolt provided at the end of the soft fascia is inserted into the mounting hole 18 formed at 2d, and is tightened and fixed with a nut. At this time, since the insides of the mounting flange portions 12d and 15a are shaped to open outward as shown in FIG. 2, they can be easily tightened and fixed with nuts at these portions.

As described above, in this embodiment, since the joint flange portions for joining the tops, lower panels 11 and 12, floor side 14, and cross member 6 are formed downward, when joining these, it is necessary to Welding can be easily performed from the outside using a small welding gun without drilling a work hole, improving work efficiency. Further, since the lower panel 12 is disposed between the cross member 6 and the rear fender 15, the lateral rigidity of the cross member 6 can be improved.

In addition, when installing a soft fascia, since the inside of the mounting flanges 12d and 15a is not a closed cross section like in the past, bolt tightening work can be easily performed without creating a work hole, which improves the workability of the above-mentioned installation work. can be improved.

[Effect of idea]

As described above, according to the rear body structure of an automobile according to the present invention, the quarter panel is divided into the top panel and the lower panel, the lower panel is formed into a shape that follows the rear fender, and the top panel, the lower panel, and the cross member are formed downward. Since the joining flanges are joined to each other, it is possible to greatly improve the ease of assembling the top panel, lower panel, and cross member, and the lateral rigidity of the cross member and thus the strength of the vehicle body can be greatly improved.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view of a conventional rear body structure of an automobile, FIG. 2 is a cross-sectional view of a rear body structure of an automobile according to an embodiment of the present invention, and FIG. 3 is a perspective view thereof. 2...Rear frame, 6...Cross member,
6a... Joint flange portion of cross member, 11
...Atsupa panel, 11a...Joining flange part of Atsupa panel, 12...Lower panel, 12c...
Joint flange of lower panel, 13...Quarter panel, 15...Rear fender.

Claims (1)

[Scope of utility model registration request] A quarter panel is provided at the rear of the side of the vehicle body,
the quarter panel is divided into an upper panel and a lower panel, the lower portion of the lower panel is molded into a shape that fits the lower portion of the rear fender, the upper panel and the lower panel each have a joining flange portion formed facing downward to join the two panels, one end of a cross member is joined to a rear frame extending in the fore-and-aft direction of the vehicle body, and both joining flange portions of the quarter panel are joined to joining flange portions formed facing downward on the other end of the cross member.