The invention relates to a lower vehicle body frame structure of a passenger vehicle, which comprises a cabin frame, a front floor frame of which the front end is connected with the cabin frame, a rear floor frame of which the front end is connected with the front floor frame, a left threshold beam and a right threshold beam, the cabin frame comprises a front collision cross beam, a left energy absorption box connected to the left end part of the back of the front collision cross beam, a right energy absorption box connected to the right end part of the back of the front collision cross beam, a front cabin left longitudinal beam of which the front end is connected with the left energy absorption box, and a front cabin right longitudinal beam of which the front end is connected with the right energy absorption box; the front frame left connecting piece is connected to the rear end of the front cabin left longitudinal beam; the front frame right connecting piece is connected to the rear end of the front cabin right longitudinal beam; the front wall plate cross beam is connected between the front frame left connecting piece and the front frame right connecting piece; the front wallboard cross beam is connected with the front floor frame, and the two ends of the front wallboard cross beam are connected with the front ends of the left doorsill beam and the right doorsill beam respectively. The problems that an existing automobile lower automobile body frame is large in part number, complex in production procedure, low in production efficiency and large in weight can be solved.

    本发明涉及一种乘用车下车体框架结构,包括机舱框架、前端与机舱框架连接的前地板框架、前端与前地板框架连接的后地板框架,还包括左门槛梁和右门槛梁;所述机舱框架包括前碰撞横梁、连接在前碰撞横梁后面左端部的左吸能盒、连接在前碰撞横梁后面右端部的右吸能盒、前端与左吸能盒连接的前舱左纵梁,前端与右吸能盒连接的前舱右纵梁,还包括连接在前舱左纵梁后端的前车架左连接件、连接在前舱右纵梁后端的前车架右连接件、连接在前车架左连接件和前车架右连接件之间的前壁板横梁;所述前壁板横梁与前地板框架连接、两端部分别与左门槛梁和右门槛梁的前端连接。其能够解决现有汽车下车体框架零件数量多,生产工序复杂,生产效率低,重量大的问题。


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    Titel :

    Lower vehicle body frame structure of passenger vehicle


    Weitere Titelangaben:

    一种乘用车下车体框架结构


    Beteiligte:
    CHE YUEGUANG (Autor:in)

    Erscheinungsdatum :

    2023-04-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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