To provide a lower part vehicle body structure of a vehicle which enables improvement of rigidity of a vehicle body in a vehicle width direction while inhibiting increase of the costs and weight.SOLUTION: A lower part vehicle body structure of a vehicle is provided with: a pair of side sills 3 extending in an anteroposterior direction along an outer edge of a vehicle cabin as seen in a vehicle width direction; frame members 5 provided at the inner side of the side sills 3 in the vehicle width direction and extending in the anteroposterior direction; cross members 6 extending in the vehicle width direction and connecting the frame members 5 to the side sills 3; and a connection member 100 extending in the vehicle width direction and connecting the frame member 5 to the side sill 3 at least one of positions in front of or behind the cross member 6. The connection member 100 is provided with: a flat surface part 111a extending horizontally between the frame member 5 and the side sill 3; and a holding part 111a which holds an auxiliary machine provided at the vehicle.SELECTED DRAWING: Figure 1

    【課題】コストや重量の増加を抑えつつ車体の車幅方向の剛性を高めることのできる車両の下部車体構造を提供する。【解決手段】車室の車幅方向の外側縁に沿って前後方向に延びる一対のサイドシル3と、サイドシル3よりも車幅方向の内側に設けられて前後方向に延びるフレーム部材5と、車幅方向に延びて前記フレーム部材5と前記サイドシル3とを連結するクロスメンバ6と、前記クロスメンバ6の前方と後方の少なくとも一方において、車幅方向に延びて前記フレーム部材5と前記サイドシル3とを連結する連結部材100とを設け、連結部材100に、前記フレーム部材5と前記サイドシル3との間で水平に延びる平面部111aと、車両に設けられる補機を保持する保持部111aを設ける。【選択図】図1


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    Title :

    LOWER PART VEHICLE BODY STRUCTURE OF VEHICLE


    Additional title:

    車両の下部車体構造


    Contributors:

    Publication date :

    2021-04-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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