PROBLEM TO BE SOLVED: To obtain high rigidity at an attachment place of a trailing arm, while suppressing weight increase and cost increase of a vehicle.SOLUTION: In the trailing arm attachment part structure according to an embodiment of the present invention, a bracket brace attached to a bracket reinforcement for reinforcing a side bracket to which a trailing arm is to be attached includes: a first part extending in a longitudinal direction of a vehicle along a surface, inside in a vehicle width direction, of the bracket reinforcement; a nut attachment part that is disposed at the center, in the longitudinal direction of the vehicle, of the first part, and to which a floating nut is to be fitted; and a pair of beam parts disposed on both sides, in the longitudinal direction of the vehicle, of the nut attachment part respectively, and each extending so as to be laid over the first part and a lower surface of a side member. A lower part of the nut attachment part and lower parts of the pair of beam parts are joined to the bracket reinforcement, and upper parts of the pair of beam parts are joined to the bracket reinforcement or the side member.

    【課題】車両の重量増大やコストの増大を抑制しつつ、トレーリングアーム取付箇所において高い剛性を得ることを目的とする。【解決手段】本発明にかかるトレーリングアーム取付部構造の構成は、トレーリングアームが取り付けられるサイドブラケットを補強するブラケットリンフォースに取り付けられるブラケットブレースは、ブラケットリンフォースの車幅方向内側の面に沿って車両前後方向に延びる第1部位と、第1部位の車両前後方向の中央に配置されフローティングナットが取り付けられるナット取付部と、ナット取付部の車両前後方向両側にそれぞれ配置され第1部位とサイドメンバの下側面とに跨るように延びる一対の梁部とを有し、ナット取付部の下部および一対の梁部の下部はブラケットリンフォースに接合され、一対の梁部の上部はブラケットリンフォースまたはサイドメンバに接合されることを特徴とする。【選択図】図2


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    Title :

    TRAILING ARM ATTACHMENT PART STRUCTURE


    Additional title:

    トレーリングアーム取付部構造


    Contributors:

    Publication date :

    2015-07-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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