To provide a lower vehicle body structure which can secure good lateral collision performance regardless of a contact height of a collision body during a lateral collision.SOLUTION: A lower vehicle body structure includes: a cross member 6 installed on an upper surface of a floor panel 4 and extending in a vehicle width direction; and a side sill 8 connected with the outer end side as seen in the vehicle width direction of the floor panel 4 and extending in an anteroposterior direction. The cross member 6 and the side sill 8 are spaced apart in the vehicle width direction, and a gusset 10 disposed between the cross member 6 and the side sill 8 is provided. The gusset 10 has: a protruding part 13 connected to an upper part of the side sill 8; and a pair of front and rear flanges 14 each connected with a side part of the side sill 8 and the outer end side as seen in the vehicle width direction of the cross member 6.SELECTED DRAWING: Figure 2

    【課題】側面衝突時の衝突体の接触高さによらず、良好な側面衝突性能を確保することのできる下部車体構造を提供する。【解決手段】フロアパネル4の上面に設置され車幅方向へ延びるクロスメンバ6と、フロアパネル4の車幅方向外端側と接続され前後方向へ延びるサイドシル8と、を備えた下部車体構造であって、クロスメンバ6とサイドシル8は車幅方向に離間し、クロスメンバ6とサイドシル8の間に介在するガセット10を設け、ガセット10は、サイドシル8の上部と接続される突出部13と、サイドシル8の側部及びクロスメンバ6の車幅方向外端側と接続される前後一対のフランジ14と、を有する。【選択図】図2


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    Title :

    LOWER VEHICLE BODY STRUCTURE OF VEHICLE


    Additional title:

    車両の下部車体構造


    Contributors:

    Publication date :

    2022-11-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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