Vehicle-body structure of vehicle and manufacturing method of the same

A body and vehicle technology, which is applied to the vehicle body structure and its manufacturing field, can solve the problems that the vehicle cannot be effectively restrained, and achieve the effects of improving rigidity, avoiding the increase of body weight, and suppressing deformation
CN102963437AActive Publication Date: 2013-03-13MAZDA MOTOR CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
MAZDA MOTOR CORP
Publication Date
2013-03-13

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Abstract

In a vehicle-body structure of a vehicle which comprises vehicle-body forming members forming a closed-section portion and having a dent portion which dents toward an inside of the closed-section portion, and a reinforcing member provided in the closed-section portion and joined to the vehicle-body forming members, a joint portion of the vehicle-body forming members and the reinforcing member includes a rigid joint portion where the vehicle-body forming members and the reinforcing member are joined with a direct contact thereof and a flexible joint portion where the vehicle-body forming members and the reinforcing member are joined via a damping member provided therebetween, and this joint portion is provided at or in the vicinity of the dent portion.
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Description

technical field

[0001] The invention relates to a vehicle body structure and a manufacturing method thereof. Background technique

[0002] In vehicles such as automobiles, it is necessary to increase the rigidity of the vehicle body in order to improve ride comfort and safety. As a technology for increasing rigidity, for example, Japanese Patent Laid-Open Publication No. 59-182472 (hereinafter referred to as Patent Document 1) and Japanese Patent Laid-Open Publication No. Sho 60-097673 (hereinafter referred to as Patent Document 2) discloses a technique of providing a reinforcing body in a closed cross-sectional portion formed by structural members of a vehicle body.

[0003] Patent Document 1 discloses a structure in which a bulkhead is provided in a nodular shape in a closed section of a side sill formed by a side sill outer and a side sill inner, and a flange provided around the bulkhead is welded to the The adhesive is bonded to inner surfaces of the side sill outer and...

Claims

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