The invention discloses a side wall rear door opening assembly and a vehicle body structure. The side wall rear door opening assembly comprises an A column upper reinforcer assembly, a B column reinforcer assembly, a side wall rear inner plate welding assembly, a doorsill reinforcing beam assembly and a side wall doorsill reinforcer assembly. The A column upper reinforcer assembly, the B column reinforcer assembly, the side wall rear inner plate welding assembly and the side wall doorsill reinforcer assembly are sequentially connected to form a closed reinforcing ring structure, the doorsill reinforcing beam assembly is arranged in the side wall doorsill reinforcer assembly, one end of the B column reinforcer assembly is connected with the A column upper reinforcer assembly, and the other end of the B column reinforcer assembly is connected with the doorsill reinforcing beam assembly. And the other end is connected with the side doorsill reinforcer assembly. The side wall rear door opening assembly has the advantages that transmission of collision force borne by the side wall rear door opening assembly is guaranteed, the collision performance of the side wall rear door opening assembly is improved, the safety performance of a vehicle body is improved, the original structural strength and performance can be met through the small section size, and then the weight of the side wall rear door opening assembly is reduced.

    本发明公开了一种侧围后门洞总成及车身结构,包括A柱上加强件总成、B柱加强件总成、侧围后内板焊接总成、门槛加强梁总成、侧围门槛加强件总成;所述A柱上加强件总成、B柱加强件总成、侧围后内板焊接总成、侧围门槛加强件总成依次连接形成封闭的加强环结构,所述门槛加强梁总成设置在侧围门槛加强件总成内部,所述B柱加强件总成一端连接A柱上加强件总成,另一端连接侧围门槛加强件总成。本发明的优点在于,保证侧围后门洞总成所受的碰撞力的传递,提高了侧围后门洞总成的碰撞性能,提高车身安全性能,较小的截面尺寸就可以满足原有结构强度和性能,进而减轻侧围后门洞总成的重量。


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    Title :

    Side wall rear door opening assembly and vehicle body structure


    Additional title:

    一种侧围后门洞总成及车身结构


    Contributors:
    FAN HAIQIN (author) / ZHAO DAN (author) / SHAO HUI (author) / CHEN YUJIE (author) / WANG XIANG (author)

    Publication date :

    2023-09-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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