The invention discloses an auxiliary frame of a vehicle, a vehicle body assembly of the vehicle and the vehicle. The auxiliary frame comprises a first cross beam and a second cross beam which are arranged at intervals in the first direction of the auxiliary frame, and the first cross beam is located on the front side of the second cross beam; the multiple auxiliary frame longitudinal beams are arranged in the second direction of the auxiliary frame and connected with the first cross beam and the second cross beam. The third cross beam is located between the first cross beam and the second cross beam in the first direction, the third cross beam is connected with the multiple auxiliary frame longitudinal beams, the third cross beam is of an arc-shaped structure, and the third cross beam protrudes towards the second cross beam in the first direction. Compared with the prior art, the auxiliary frame has the advantages that the third cross beam is arranged and protrudes towards the second cross beam, so that the structural strength and rigidity of the auxiliary frame can be improved, and the deformation of the auxiliary frame is reduced when the vehicle collides.

    本发明公开了一种车辆的副车架、车辆的车身组件以及车辆,副车架包括:第一横梁和第二横梁沿副车架的第一方向间隔排布,第一横梁位于第二横梁前侧;多个副车架纵梁沿副车架的第二方向排布,多个副车架纵梁均与第一横梁、第二横梁连接;沿第一方向第三横梁位于第一横梁和第二横梁之间,且第三横梁与多个副车架纵梁均连接,第三横梁构造为弧形结构,沿第一方向,第三横梁朝向第二横梁凸出。通过设置第三横梁,且第三横梁朝向第二横梁凸出,与现有技术相比,能够提升副车架结构强度以及刚度,车辆发生碰撞时,降低副车架变形量。


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    Titel :

    Auxiliary frame of vehicle, vehicle body assembly of vehicle and vehicle


    Weitere Titelangaben:

    车辆的副车架、车辆的车身组件以及车辆


    Beteiligte:
    SI HAORAN (Autor:in) / YANG YANCHAO (Autor:in) / XIE ZHIQIANG (Autor:in) / CHO SE-JIN (Autor:in) / SI KAIZHONG (Autor:in)

    Erscheinungsdatum :

    25.04.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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