The invention discloses a C-pillar lower joint structure which comprises a rear side wall inner plate, a doorsill outer plate welding piece and a C-pillar reinforcing plate, the doorsill outer plate welding piece comprises a doorsill outer plate reinforcing plate and a doorsill outer plate reinforcing plate extending plate, one end of the doorsill outer plate reinforcing plate is connected with one end of the doorsill outer plate reinforcing plate extending plate, and the other end of the doorsill outer plate reinforcing plate is connected with the C-pillar reinforcing plate. One side of the doorsill outer plate reinforcing plate extending plate extends upwards at the disconnected position to be flanged and then is connected with the rear side wall inner plate through a plurality of bolts,and the lower end of the C pillar reinforcing plate extends downwards and then is welded to the doorsill outer plate reinforcing plate through a plurality of welding spots. The problems that in the prior art, after a vehicle collides with a side collision column, the invasion amount is large, battery protection is insufficient, and the stress of a C-pillar lower connector welding point is large are solved.

    本发明公开了一种C柱下接头结构,包括后侧围内板、门槛外板焊合件和C柱加强板,其中,所述门槛外板焊合件包括门槛外板加强板和门槛外板加强板延伸板,所述门槛外板加强板的一端与门槛外板加强板延伸板的一端连接,所述门槛外板加强板延伸板的一侧于断开处向上延长翻边后通过若干螺栓与所述后侧围内板连接,所述C柱加强板的下端向下延长后与所述门槛外板加强板通过若干焊点焊接。本发明解决了现有技术中车辆侧碰柱碰后侵入量大,对电池保护不足的问题,以及C柱下接头焊点应力大的问题。


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    Titel :

    C-pillar lower joint structure


    Weitere Titelangaben:

    一种C柱下接头结构


    Beteiligte:
    HUANG GANG (Autor:in) / LIN MAOQING (Autor:in) / LIU YANG (Autor:in) / CHEN XIAOYU (Autor:in) / TONG XINWEI (Autor:in)

    Erscheinungsdatum :

    2021-04-02


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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