To provide a vehicular body structure in which a side collision load is effectively dispersed and transmitted in a vehicle width direction.SOLUTION: A cross member 6 includes: a cross member top face part 64 facing a floor panel 4; and a cross member front face part and a cross member rear face part 66 that extend from both ends in the front-rear direction of the cross member top face part 64 to the floor panel 4. A reinforcement member 60 is provided at a side sill side end of the cross member top face part 64 of the cross member 6, and a fragile part 67 extending in the vehicle front-rear direction is disposed at a position overlapping the side sill side end of the cross member 6 and the reinforcement member 60. The fragile part 67 is selected from any of a notch, a bead, and a hole. The reinforcement member 60 is a seat fitting bracket, and the fragile part 67 is positioned outside a seat fitting surface of the seat fitting bracket 60 in the vehicle width direction.SELECTED DRAWING: Figure 3

    【課題】側突荷重を車幅方向に有効に分散伝達することができる車両の車体構造を提供する。【解決手段】クロスメンバ6は、フロアパネル4に対向するクロスメンバ上面部64と、該クロスメンバ上面部64の前後方向両端部からフロアパネル4に延びるクロスメンバ前面部及びクロスメンバ後面部66とを備えている。クロスメンバ6のクロスメンバ上面部64のサイドシル側端部に補強部材60が設けられ、クロスメンバ6のサイドシル側端部かつ補強部材60と重複する位置に車両前後方向に延びる脆弱部67が設けられている。脆弱部67は、切欠き、ビード、孔のいずれかから選択される。補強部材60はシート取付ブラケットであり、脆弱部67はシート取付ブラケット60のシート取付面の車幅方向外側に位置する。【選択図】図3


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    Title :

    VEHICULAR BODY STRUCTURE


    Additional title:

    車両の車体構造


    Contributors:

    Publication date :

    2021-03-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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