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Vehicle body lower structure

A technology of structure and body, applied in the field of body substructure, which can solve problems such as rigidity reduction

Active Publication Date: 2019-07-30
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the suspension bracket 102 becomes Figure 7 In such an S-shape, the bent portion becomes the starting point of bending deformation, and the structural rigidity is lower than that of a straight line in the vehicle front-rear direction.

Method used

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  • Vehicle body lower structure
  • Vehicle body lower structure
  • Vehicle body lower structure

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Embodiment Construction

[0029] refer to Figure 1 to Figure 6 , the vehicle body underbody structure of this embodiment will be described. Also in Figure 1 to Figure 6 Herein, the vehicle front-rear direction is represented by an axis represented by a symbol FR, the vehicle width direction (hereinafter referred to as the width direction as appropriate) is represented by an axis represented by a symbol RW, and the vertical direction is represented by an axis represented by a symbol UP. The label FR is the abbreviation of Front, and the front-rear direction axis FR takes the front of the vehicle as the positive direction. The label RW is the abbreviation of Right Width, and the width direction axis RW takes the right width direction as the positive direction. In addition, the direction above the height axis UP is the positive direction.

[0030] Such as figure 1 As shown, the above-mentioned FR axis, RW axis, and UP axis are orthogonal to each other. Hereinafter, when describing the vehicle body...

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PUM

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Abstract

The present invention provides a vehicle body lower structure. A catcher bracket (30) is provided to protrude from a bottom wall (18C) of an inner torque box (18) in a downward direction. Collapse beads (38) which become starting points of collapse deformation in an up-and-down direction are formed on bent portions (36A, 36B) which correspond to boundaries between an inner wall (34A) and a rear wall (37) and between an outer wall (34B) and the rear wall (37) of the catcher bracket (30).

Description

[0001] priority information [0002] This application claims priority from Japanese Patent Application No. 2018-008049 filed on January 22, 2018, the entire contents of which are hereby incorporated by reference, technical field [0003] The present disclosure relates to an underbody structure, and more particularly, to an underbody structure at the front of a vehicle. Background technique [0004] A front suspension member (hereinafter referred to as FR suspension member as appropriate) that supports the suspension of the front wheels of the vehicle is supported by a front side member (hereinafter referred to as FR side member as appropriate) that is a frame member of the front portion of the vehicle. [0005] Specifically, as Figure 7 As illustrated, the FR side member 104 is extended from the engine compartment (not shown) to under the vehicle compartment. An upturned portion 104A, which is a portion under the cabin of the FR side member 104 , that is, a portion under t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D21/00B62D21/15
CPCB62D21/00B62D21/15B62D21/11B62D21/155B62D25/2018B62D21/03
Inventor 田中基之
Owner TOYOTA JIDOSHA KK