The invention provides a vehicle body lower part structure which reduces the weight of a vehicle body lower part and improves the rigidity of the vehicle body lower part. Comprises: a floor cross member (16) that connects a lower side member (12) disposed on the outside in the vehicle width direction and a floor tunnel (14) disposed in the center of the vehicle body; seat brackets (22a, 22b, 26a, 26b) disposed at both ends of the floor cross member (16) in the vehicle width direction across the floor cross member (16) in the vehicle front-rear direction, the seat brackets (22a, 22b, 26a, 26b) being respectively connected to the side sill (12) and the floor tunnel (14); and a floor frame (52) extending in the front-rear direction of the vehicle and disposed on the floor panel (18), at least a portion of the seat bracket (for example, an inner flange (72a)) being disposed at a position overlapping the floor frame (52) in plan view.

    本发明提供一种使车身下部重量轻量化并实现车身下部的刚性提高的车身下部构造。包括:地板横梁(16),其将配置在车宽方向外侧的下纵梁(12)和配置在车身中央的地板通道(14)连结;座椅托架(22a、22b、26a、26b),其在该地板横梁(16)的车宽方向两端部,在车辆前后方向上隔着地板横梁(16)配置,并分别与下纵梁(12)及地板通道(14)连结;以及地板框架(52),其沿车辆前后方向延伸,配置在地板面板(18)上,座椅托架的至少一部分(例如,内侧凸缘(72a))配置在俯视观察与地板框架(52)重叠的位置。


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    Titel :

    VEHICLE BODY UNDER STRUCTURE


    Weitere Titelangaben:

    车身下部构造


    Beteiligte:
    MARUYAMA ATSUSHI (Autor:in) / FUJISAWA KOTA (Autor:in) / MURAMATSU YUKI (Autor:in)

    Erscheinungsdatum :

    2023-06-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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