The invention provides a vehicle body lower portion structure which can rectify air flow on a guide plate to improve air mechanical performance and can restrain a guide part arranged on the guide plate from falling off from a vehicle body. The vehicle body lower part structure comprises a guide plate which is arranged on a vehicle body of a vehicle and can move between a storage position covering the lower part of the vehicle body and an expansion position protruding downwards. Wherein the flow guide plate comprises a front flow guide plate and a rear flow guide plate, and the front end of the front flow guide plate is rotatably arranged on the vehicle body along a first rotating shaft; the front end of the rear flow guide plate is rotatably arranged at the rear end of the front flow guide plate along a second rotating shaft, the rear end of the rear flow guide plate is rotatably arranged on the vehicle body along a third rotating shaft, the rear flow guide plate is arranged on the vehicle body in the mode that the rear end of the rear flow guide plate can slide in the front-back direction of the vehicle, and the rear flow guide plate is provided with a guide part protruding upwards; the guide member is covered from above by a covering portion formed on the vehicle body.

    本发明提供一种车体下部结构,能够对导流板上的气流进行整流来提升空气力学性能,且能够抑制导流板上所设的引导部件从车体上脱落。车体下部结构包括设置在车辆的车体上、且能够在覆盖所述车体的下部的收纳位置以及往下方突出的展开位置之间移动的导流板。其中,所述导流板包括前导流板以及后导流板,所述前导流板以其前端沿着第一旋转轴可旋转地设置在所述车体上,所述后导流板以其前端沿着第二旋转轴可旋转地设置在所述前导流板的后端上、且以其后端沿着第三旋转轴可旋转且在车辆前后方向上可滑动的方式设置在所述车体上,所述后导流板设有朝向上方凸出的引导部件,并且所述引导部件被形成在所述车体上的覆盖部从上方覆盖。


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    Titel :

    VEHICLE BODY UNDER STRUCTURE


    Weitere Titelangaben:

    车体下部结构


    Beteiligte:
    ANDO KENICHI (Autor:in) / AMBO KEI (Autor:in) / HOSHIDA YOSHIMITSU (Autor:in) / NAKAMURA YUKI (Autor:in)

    Erscheinungsdatum :

    2023-08-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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