PROBLEM TO BE SOLVED: To transmit a load applied in a collision through a simple structure.SOLUTION: A lower part vehicle body comprises: tunnel side frames 9 extending in the vehicle longitudinal direction along both sides of the vehicle width direction of a floor tunnel 8 swelling out upward in a center part of a floor panel 2; front side frame extension parts 11 connecting rear parts of right and left front side frames 7 extending in the vehicle longitudinal direction on a vehicle front part and front parts of the tunnel side frames 9; and floor lower inclined members 31 connecting positions CFr, CFl in the vicinity of the connecting parts connecting the side sills 3 and hinge pillars 4, with the front parts of the tunnel side frames, wherein the tunnel side frames, the front side frame extension parts, and the floor lower inclined members are configured to form a substantially Y shape on a lower side of the floor panel 2 in a vehicle plane view.SELECTED DRAWING: Figure 2

    【課題】軽量な構造での前突時の荷重伝達を図ること。【解決手段】フロアパネル2の中央部で上方に膨出するフロアトンネル8の車幅方向両側に沿って車両前後方向に延びるトンネルサイドフレーム9と、車両前部において車両前後方向へ延びる左右のフロントサイドフレーム7の後部とトンネルサイドフレーム9の前部とをつなぐフロントサイドフレーム延長部11と、サイドシル3及びヒンジピラー4の結合部位近傍CFr,CFlとトンネルサイドフレームの前部とをつなぐフロア下傾斜メンバ31とが、フロアパネル2の下部において車両平面視で略Y字状をなす構成とした。【選択図】図2


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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 :

    2016-07-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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