To provide a lower vehicle body structure of a vehicle, which is simply configured to increase strength and rigidity of a connection part between a tunnel part and a cross member.SOLUTION: A tunnel part 20 of a floor member 12 extends from the front toward the back of a vehicle to a cross member 18. The cross member 18 includes a shelf plate part 28 formed on the vehicle front side and having a width larger than a width of the tunnel part in the vehicle width direction. A rear edge of an upper wall 26 of the tunnel part 20 is overlapped with the shelf plate part 28, and the rear edge is connected to the shelf plate part by spot welding or the like.SELECTED DRAWING: Figure 2

    【課題】車両の下部車体構造において、トンネル部とクロスメンバの結合部の強度および剛性を簡易な構造により高める。【解決手段】フロアメンバ12のトンネル部20は、車両前側から後方に延びてクロスメンバ18に達している。クロスメンバ18は、車両前側に、車幅方向においてトンネル部の車幅方向長さより長く形成された棚板部28を有する。トンネル部20の上面壁26の後縁部が、棚板部28に重なり、ここでスポット溶接などにより結合される。【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:
    SAEKI KOJI (author)

    Publication date :

    2019-02-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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