The invention relates to a vehicle body floor assembly composite structure and a vehicle. The vehicle body floor assembly composite structure comprises a second rear floor panel; the rear floor beam assembly is fixed at one end of the second rear floor panel; the rear floor front cross beam welding assembly is arranged below the rear floor cross beam assembly, and the rear floor front cross beam welding assembly comprises a first rear floor panel and a second rear floor panel; the through beam assembly is mounted on the inner side of the first rear floor panel; the rear floor lower panel is installed below the first rear floor panel, the penetrating beam assembly is located between the first rear floor panel and the rear floor lower panel, cavities are formed between the first rear floor panel and the penetrating beam assembly, and cavities are formed between the penetrating beam assembly and the rear floor lower panel. According to the automobile body floor assembly, the lap joint structure of the automobile body floor assembly is optimized, a multi-cavity structure is additionally arranged, a stress cavity is formed, and the collision safety performance, the mechanical performance, the NVH performance and the like of the automobile body assembly are improved.

    本申请涉及一种车身地板总成组合结构及车辆,其包括:第二后地板面板;后地板横梁总成,其固定于所述第二后地板面板的一端;后地板前横梁焊接合件,其设置于所述后地板横梁总成的下方,所述后地板前横梁焊接合件包括:第一后地板面板;贯穿梁总成,其安装于所述第一后地板面板的内侧;后地板下面板,其安装于所述第一后地板面板的下方,所述贯穿梁总成位于所述第一后地板面板和所述后地板下面板之间,且所述第一后地板面板与所述贯穿梁总成之间、所述贯穿梁总成与所述后地板下面板之间均形成有腔体。优化了车身地板总成的搭接结构,增设了多腔体构型,形成了受力腔体,改善了车身总成碰撞安全、力学以及NVH等性能。


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    Title :

    Vehicle body floor assembly combined structure and vehicle


    Additional title:

    一种车身地板总成组合结构及车辆


    Contributors:
    CAI ZHONGZHEN (author) / WANG RONG (author) / SHU LI (author) / ZHAN LILI (author) / ZHANG SHIJIE (author)

    Publication date :

    2024-01-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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