JPH0621820Y2 - Rear body structure of automobile - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a rear body structure of an automobile.

(Prior Art) The vehicle body structure on the side of an automobile is basically constructed by combining an inner side panel and an outer side panel, and connecting the inner side panel and the outer side panel to the roof panel and the side sill at the bottom. In this case, usually, a pillar portion such as a center pillar that connects the roof panel and the side sill is provided on the way.

In Japanese Utility Model Publication No. 57-14140, the side panel is divided into two parts, the front and rear parts, and the front end edge of the rear side outer panel and the rear end edge of the front side outer panel form the inner surface of the center pillar and the outer surface of the center pillar. As described above, there is disclosed a vehicle body structure in which flange portions are mutually formed to form a closed cross section.

By dividing the vehicle body panel in this way, it is possible to use a small press molding machine, and it is possible to combine panels of other vehicle types with a joint structure having a common structure, which facilitates development of variations. is there.

(Problems to be Solved) However, in the above-disclosed structure, the panel on the front side and the rear side is formed by forming the concave portion forming the closed cross section for the center pillar in the panel and by the flange portion continuously provided in the concave portion. Are designed to be joined together. Therefore, it is necessary to press-form both panels so as to form a recess having a closed cross section for the center pillar, but if the recess becomes deep, it becomes difficult to form, and it becomes a serious problem especially when the pillar part is bent. .

(Means for Solving the Problems) The present invention is constructed in view of the above circumstances, and has a good moldability and is capable of relatively easily imparting sufficient rigidity to the joint portion of both panels. An object is to provide a rear body structure.

An object of the present invention is a rear body structure of an automobile having a pillar portion formed by combining body panels,
A rear vehicle body structure of an automobile having a pillar portion configured by combining vehicle body panels, wherein the vehicle body panel is divided into front and rear along substantially the extending direction of the pillar portion, and the front and rear body panels are the pillar portions. And one of the inner side panel portion and the outer side panel portion of the pillar portion having the closed cross-section structure is formed by being overlapped with each other, and the rear end of the front body panel of the vehicle body panel or the vehicle body panel. The dividing line formed by the front end of the rear body panel of the panel is divided so as to be located in the portion forming the closed cross-section structure in the vehicle longitudinal direction in the closed cross-section structure forming the pillar portion. The pillar reinforcement is fixed to the pillar portion across the two body panels. To.

According to the above configuration of the present invention, for example, the inner side panel is divided into a front portion and a rear portion in the middle of the recess forming the closed cross section for the pillar.

Therefore, no recess is formed at the rear end of the front inner side panel and the front end of the rear inner side panel. Moreover, even if formed, it is discontinuous and is not formed over the entire length of the pillar.

And, in the pillar portion where the front inner side panel and the rear inner side panel are joined,
Pillar reinforcement is fixed so that it straddles both side panels.

In this case, in a preferred embodiment, the pillar reinforcement is fixed so that a closed cross section is formed by the pillar reinforcement and the inner side panel.

This pillar reinforcement may be shared with the reinforcement for the seat belt anchor.

(Effect of the Invention) As described above, according to the present invention, the vehicle body panel is not formed with the concave portion for forming the closed cross section for the pillar, and the bent portion is formed at the front end portion or the rear end portion of the panel member. Or, even if a recess is formed, it is formed in a discontinuous state,
It is possible to easily carry out molding while avoiding so-called deep drawing during molding. Therefore, even if the recessed portion of the pillar portion formed in the joined state of both panels is deep, no inconvenience occurs in the molding step.

Moreover, since the pillar reinforcement is fixed so as to straddle both panel members to be joined, the rigidity of the joining portion can be improved.

(Description of Embodiments) Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 shows a schematic view of a vehicle V to which the present invention can be applied. The vehicle V of this example includes a rear pillar front 1a, a rear pillar rear 1b, and a center pillar 2 between them. There is.

Referring to FIG. 2, a perspective view of the rear body structure of the automobile V is shown.

In FIG. 2, the inner side panel is divided into a front side inner side panel 3 and a rear side inner side panel 4 in the front and rear at the portion forming the center pillar 2. The front side inner side panel 3 is provided with a panel portion 3a and a window opening 5.

Further, the front side inner side panel 3 constitutes an inner panel portion 3a of the roof side rail 6 at the upper end, and the lower end portion thereof is continuous with the side sill 7 and constitutes an inner panel portion 3b of the side sill 7. A rear pillar front 3c is configured to connect the inner panel portion 3a of the roof side rail 6 and the inner panel portion 3b of the side sill 7 on the front end side of the window opening 5. Further, the front side inner side panel 3 includes an inner panel portion 3d of the belt line frame 8 so as to extend rearward from the middle of the rear pillar inner front side 3c.

The roof side rail 6 is configured to have a closed cross section by combining an outer side panel 9 with an inner side panel.

A reinforcement is coupled to the rear pillar inner front 3c.

The side sill 7 is constituted by the inner panel portion 3b, the reinforcement 11 and the outer side panel 9 in a closed cross section.

Further, the floor panel 12 is provided on the inner panel portion 3b.
Are combined.

The rear inner side panel 4 is provided with inner panel portions 3a and 4b corresponding to the inner panel portion 3a and the inner panel portion 3d of the front inner side panel 3, respectively, and a window opening 5a is formed between them. It

A rear pillar inner rear 4c is formed at the rear end portion. As shown in FIG. 3, a wheel house outer portion 4 d is formed in the lower portion of the rear inner side panel 4 and is joined to the wheel house inner 13.

A rear end edge 3e of the front inner side panel 3 and a front end edge 4d of the rear inner side panel 4 end in the middle of the center pillar 2 so as to have an overlapping portion.

As shown in FIG. 2, FIG. 3 and FIG. 4, the rear inner side panel 4 is provided at the upper portion of the joint portion of the front inner side panel 3 and the rear inner side panel 4, that is, the portion forming the center pillar 2. A seat belt anchor 14 is attached to the inner side of the front side, and a center pillar reinforcement upper 15 is attached to the outer side of the front inner side panel 3 with bolts 16.

And this part of the rear side inner side panel 4
It has a projecting portion 4e that projects forward, and this projecting portion 4e extends to the front of the closed cross section forming the center pillar 2 as shown in FIG.

However, the overhanging portion 4e has a certain length in the up-and-down direction and ends midway. Therefore, in the portion without the overhanging portion 4e, as shown in FIG. The side inner side panels 4 end each other in the middle of the closed cross section forming the center pillar 2.

A center pillar reinforcement lower 17 is attached to the lower part of the center pillar 2.

As shown in FIG. 2, in order to configure the belt line frame 8, the belt line reinforcement is formed so as to straddle the inner panel portion 3b of the front inner side panel 3 and the inner panel portion 4b of the rear inner side panel 4. The attachment 18 is attached.

As shown in FIGS. 2 and 3, the center pillar reinforcement lower 17 is connected to the beltline reinforcement 18 at the upper side and to the wheel house outer portion 4d of the rear inner side panel 4 at the lower side. The rear fender portion 9a of the outer side panel 9 is connected to the lower end of the rear inner side panel 4 on the outer side thereof.

According to the above structure, when the center pillar 2 of the front inner side panel 3 and the rear inner side panel 4 is press-molded, a deep recess is formed, that is, it is not necessary to perform deep drawing.
Workability can be improved.

In addition, the protruding portion 4e of the rear inner side panel 4
In Fig. 2, a concave portion is partially formed, but the concave portion is divided into upper and lower portions, and the problem due to deep drawing does not occur, but rather the reinforcing effect can be enhanced.

[Brief description of drawings]

FIG. 1 is an overall schematic view of an automobile to which the present invention is applied, and FIG.
1 is a perspective view of the rear part of the automobile shown in FIG. 1, FIG. 3 is a sectional view taken along the line AA of FIG. 1, FIG. 4 is a sectional view taken along the line BB of FIG. 2, and FIG. It is CC sectional drawing of a figure. V ... Automotive, 1a ... Rear pillar front, 1b ... Rear pillar Rear, 2 ... Center pillar, 3 ... Front inner side panel, 4 ... Rear inner side panel, 5 ... Window opening, 6 ...... Roof side rail, 7 ...... Side sill, 8 ...... Belt line frame, 9 ...... Outer side panel, 10, 11 ...... Reinforcement, 12 ...... Floor panel, 13 ...... Wheel house inner, 14 ...... Seat belt anchor, 15 …… Center pillar reinforcement upper, 16 …… Bolt, 17 …… Center pillar reinforcement lower, 18 …… Belt line reinforcement.

Claims (1)

[Scope of utility model registration request] 1. A rear vehicle body structure of an automobile having a pillar portion formed by combining vehicle body panels, wherein the vehicle body panel is divided into front and rear along a direction in which the pillar portion extends, and the front and rear vehicle bodies. By overlapping and joining the panels in the pillar portion to each other, one of the inner side panel portion or the outer side panel portion of the pillar portion having a closed cross-section structure is formed, and the front body panel of the vehicle body panel is The dividing line formed by the rear end or the front end of the rear body panel of the vehicle body panel is located within the portion forming the closed cross section structure in the vehicle longitudinal direction in the closed cross section structure forming the pillar portion. The pillar reinforcement is fixed to the pillar portion across the two body panels. Rear vehicle body structure for an automobile, characterized in that.