Structure for vehicle body rear portion

Abstract

A structure for a vehicle body rear portion has a rear pillar (21), a rear wheel arch (15), a damper stiffener (22) which is connected so that the load of the damper (18) transmitted through the rear wheel arch (15) is dispersed to the rear pillar (21), and a brace (23) which is connected from the rear wheel arch (15) to the rear pillar (21). The brace (23) has a front surface section (31) which faces forward, a side surface section (32), and a rear surface section (33) which faces the front surface section (31). A front ridge line section (35) and / or a rear ridge line section (36) reaches the rear pillar (21) from the rear wheel arch (15).

Description

technical field [0001] The present invention relates to a vehicle body rear structure in which a shock absorber reinforcement and a brace are arranged between a rear wheel arch supporting a shock absorber of a rear suspension system and an upper rear pillar. Background technique [0002] There is known a vehicle body rear structure in which a closed cross-sectional shape is formed on a rear wheel arch (rear wheel house) from a lower floor to an upper rear pillar (for example, refer to Patent Document 1). [0003] In the above-mentioned vehicle body rear structure, a groove-shaped gusset plate is installed on the outer surface of the rear wheel arch to form a first closed cross-sectional shape, and the groove-shaped reduced cross-sectional shape is continuous with the first closed cross-sectional shape. The shock reinforcement is mounted to the rear pillar from the upper surface of the rear wheel arch, thereby forming a second closed cross-sectional shape. As a result, the s...

AI Technical Summary

Problems solved by technology

[0004] However, although it is also considered in the structure of the rear part of the vehicle body disclosed in Patent Document 1, if the strength of the rear part of the vehicle body is to be further improved, by adding a shock absorber reinforcement or the like between the rear wheel arch and the rear pillar Reinforcement of the part to form another closed section shape identical to the second closed section shape, but resulting in increased vehicle weight

In particular, when the thickness of the vehicle body is increased to increase the strength of the vehicle body when the vehicle is running, the weight of the vehicle increases

In addition, depending on the design of the vehicle body, the loss of freedom of the reinforcement parts and the reduction of the trunk capacity are also taken into consideration.

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