To provide a vehicle body lower part structure which can inhibit deformation of a floor panel around a width direction line and improve rigidity against deformation caused by an off-set collision, etc.SOLUTION: First and second floor cross members 10, 20 are joined to a side sill 55. A first member inclining part 16 inclining downward is provided at the first floor cross member 10, and a second member inclining part 26 is provided at the second floor cross member 20. A main floor panel 30 has: a front bottom surface part 31; a rear upper surface part 34 extending rearward from an upper ridge line of an upper part of a step part; and a floor inclining part 35 inclining downward. The floor inclining part 35 located between the first member inclining part 16 and the second member inclining part 26 extends in an anteroposterior direction.SELECTED DRAWING: Figure 3

    【課題】フロアパネルの幅方向線周りの変形を抑制し、且つ、オフセット衝突等により発生する変形に対して、剛性を高めることが可能な車体下部構造を提供する。【解決手段】第1及び第2のフロアクロスメンバ10,20は、サイドシル55に接合されており、第1のフロアクロスメンバ10には、下方に傾斜する第1のメンバ傾斜部16が設けられ、第2のフロアクロスメンバ20には、第2のメンバ傾斜部26が設けられ、メインフロアパネル30は、前側底面部31と、段差部の上部の上側稜線から後方に延びる後側上面部34と、下方に傾斜するフロア傾斜部35と、を有し、第1のメンバ傾斜部16と第2のメンバ傾斜部26との間に位置するフロア傾斜部35は、前後方向に延びている。【選択図】図3


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    Title :

    VEHICLE BODY LOWER PART STRUCTURE


    Additional title:

    車体下部構造


    Contributors:

    Publication date :

    2020-09-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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