To make it possible to inhibit a floor from deforming toward the interior of a vehicle compartment.SOLUTION: An upper cross member upside corner 25c is formed by an upper cross member upside slope 25b and upper cross member top 25a, and an upper cross member downside corner 25k is formed by an upper cross member downside slope 25g and upper cross member undersurface 25f. The inclination angle of a lower cross member downside slope 22e is smaller than the inclination angle of the upper cross member downside slope 25g. A position P1 where a reference line L1 linking the upper cross member upside corner 25c with the upper cross member downside corner 25k intersects a lower end of an under-floor cross member 20 is disposed outside a connection point 22d between a lower cross member undersurface 22c and the lower cross member downside slope 22e.SELECTED DRAWING: Figure 3

    【課題】フロア部の車両室内側への変形を抑制できるようにする。【解決手段】上クロスメンバ上側傾斜部25bと上クロスメンバ上面部25aとにより上クロスメンバ上側角部25cが形成され、上クロスメンバ下側傾斜部25gと上クロスメンバ下面部25fとにより上クロスメンバ下側角部25kが形成され、下クロスメンバ下側傾斜部22eの傾斜角は、上クロスメンバ下側傾斜部25gの傾斜角よりも小さく設定され、上クロスメンバ上側角部25cと上クロスメンバ下側角部25kとを結ぶ基準線L1がフロア下クロスメンバ20の下端に交差する位置P1は、下クロスメンバ下面部22cと下クロスメンバ下側傾斜部22eとの接続部22dよりも外側に配置されている。【選択図】図3


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    Title :

    VEHICLE BODY SUBSTRUCTURE


    Additional title:

    車体下部構造


    Contributors:

    Publication date :

    2021-03-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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