To provide a vehicle body rear part reinforcing structure enhancing rigidity against torsional deformation of a vehicle body.SOLUTION: A side sill part 2 extending in the vehicle longitudinal direction is provided on the vehicle side part. A pair of right and left side members 4 extending in the vehicle longitudinal direction are arranged on the lower part of a vehicle body floor. The vehicle body floor has a main floor panel 3A on the front side and rear floor panel 3B on the rear side. A joint part between the main floor panel 3A and the rear floor panel 3B has a step that becomes higher toward the rear side. The vehicle body structure has the side member 4 tilting to the vehicle upper side on the rear side of the main floor panel 3A. A first brace 7 extending in the vehicle longitudinal direction is provided on the lower side of the side member 4 along the side sill part 2. The front end part of the first brace 7 is fixed to the side member 4. The rear end part of the first brace 7 is connected to a tilting part 4b of the side member 4 via an installation member 6.SELECTED DRAWING: Figure 2

    【課題】 本発明は、車体のねじり変形に対する剛性が向上する車体後部補強構造を提供することを目的とする。【解決手段】 車両側部に車両前後方向に延びるサイドシル部2が設けられ、車体フロア下部に車両前後方向に延びる左右一対のサイドメンバ4が配置され、前記車体フロアは、前部側のメインフロアパネル3Aと後部側のリヤフロアパネル3Bを有し、前記メインフロアパネル3Aとリヤフロアパネル3Bの接続部に後方側が高くなる段差があり、前記サイドメンバ4が前記メインフロアパネル3A後方で車両上方に傾斜している車体構造であって、前記サイドメンバ4の下部側に前記サイドシル部2に沿って車両前後方向に延びる第1ブレース7が設けられ、この第1ブレース7の前端部が前記サイドメンバ4に固定され、第1ブレース7の後端部が前記サイドメンバ4の傾斜部4bに取付部材6を介して連結されていることにある。【選択図】 図2


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    Title :

    VEHICLE BODY REAR PART REINFORCING STRUCTURE


    Additional title:

    車体後部補強構造


    Contributors:

    Publication date :

    2019-07-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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