The invention discloses a rear frame connecting piece which comprises an aluminum alloy casting body, a doorsill edge beam connecting part is arranged on the front portion of the aluminum alloy casting body, and a rear longitudinal beam connecting part is arranged on the rear portion of the aluminum alloy casting body. A first cavity is formed in the inner side of the aluminum alloy casting body, and a second cavity is formed in the outer side of the aluminum alloy casting body. A spring mounting point is arranged on the aluminum alloy casting body, a first reinforcing structure is arranged at the position, corresponding to the upper portion of the spring mounting point, of the first cavity, and a second reinforcing structure is arranged at the position, corresponding to the upper portion of the spring mounting point, of the second cavity. According to the rear frame connecting piece, the function integration level can be enhanced, the automobile body structure stability is guaranteed while the automobile light weight is met, the automobile driving performance is improved, and the riding safety and riding comfort of internal passengers are guaranteed; the invention further aims to provide a rear floor assembly mounting structure and an automobile.

    本发明公开了一种后车架连接件,包括铝合金铸件主体,所述铝合金铸件主体的前部设置有门槛边梁连接部,后部设置有后纵梁连接部;所述铝合金铸件主体的内侧设置有第一型腔,外侧设置有第二型腔;所述铝合金铸件主体上设置有弹簧安装点,所述第一型腔对应所述弹簧安装点的上方的位置设置有第一加强结构,所述第二型腔对应所述弹簧安装点的上方的位置设置有第二加强结构。本发明的后车架连接件,能够增强功能集成度,在满足汽车轻量化的同时,保证车身结构稳定性,提高汽车行驶性能,保证内部乘员的乘坐安全性以及乘坐舒适性;本发明的目的还在于提供一种后地板总成安装结构以及一种汽车。


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    Title :

    Rear frame connecting piece, rear floor assembly mounting structure and automobile


    Additional title:

    后车架连接件、后地板总成安装结构以及汽车


    Contributors:
    CHE YUEGUANG (author) / LEI XIA (author)

    Publication date :

    2023-07-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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