The invention provides a vehicle body side structure capable of realizing energy efficiency improvement based on vehicle body weight reduction and traffic safety improvement based on vehicle body rigidity guarantee at the same time. This vehicle body side structure (S) is characterized by being provided with: a floor cross member (2) that is connected to a side sill (1) and extends in the vehicle width direction; and a bulkhead (3) that divides the closed cross-section of the side sill (1) in the front-rear direction of the vehicle body on the side of the floor cross member (2) in the vehicle width direction, the bulkhead (3) having: a bulkhead (31) that divides the closed cross-section in the front-rear direction of the vehicle body; and a flange (F6) extending from an edge portion (33) of the partition wall (31) in both directions of the front and rear of the vehicle body and formed over the entire circumference of the edge portion (33) of the partition wall (31), the flange (F6) being connected to the floor cross member (2) across the side sill (1).

    本发明提供一种同时实现基于车身轻量化的能源效率化和基于车身刚性确保的交通安全性提高的车身侧部构造。本发明的车身侧部构造(S)的特征在于,具有:地板横梁(2),其与下纵梁(1)连接,且沿车宽方向延伸;和隔板(3),其在地板横梁(2)的车宽方向的侧方,将下纵梁(1)的闭合截面沿车身前后方向划分,隔板(3)具有:隔壁(31),其将上述闭合截面沿车身前后方向划分;和凸缘(F6),其从隔壁(31)的缘部(33)向车身前方和车身后方这两个方向延伸,在隔壁(31)的缘部(33)的整周范围内形成,凸缘(F6)夹着下纵梁(1)与地板横梁(2)连接。


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    Title :

    VEHICLE BODY SIDE STRUCTURE


    Additional title:

    车身侧部构造


    Contributors:

    Publication date :

    2023-09-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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