The invention discloses a rear floor assembly and an automobile. The rear floor assembly comprises a rear floor and a first reinforcing member, the rear floor extends along the horizontal direction and is partially sunken downwards to be provided with a sunken area and a main body area distributed on the periphery of the sunken area, the sunken area is provided with a mounting groove, the mounting groove is used for mounting an equipment tire, and the first reinforcing member is arranged on the rear floor. The first reinforcing member is provided with a first connecting plate and a second connecting plate which are arranged at an included angle, the first connecting plate is connected with the main body area, the second connecting plate is connected with the sunken area, so that a first energy absorption cavity is formed between the first reinforcing member and the side wall of the mounting groove, and the first energy absorption cavity is at least distributed on the front side or the rear side of the mounting groove. When the vehicle is collided by rear-end collision, the first energy absorption cavity can absorb part of energy before the collision energy is transmitted to a passenger seat, so that the collision energy transmitted to the front side is reduced, the deformation degree of the passenger seat is reduced, the living space of passengers in the automobile is guaranteed, and the safety performance of the automobile is improved.

    本发明公开一种后地板总成及汽车,后地板总成包括后地板和第一加强件,后地板沿水平向延伸,且局部向下凹陷,以具有凹陷区、及分布于凹陷区外周的主体区,凹陷区具有安装槽,安装槽用以安设备胎,第一加强件设于后地板,第一加强件具有呈夹角设置的第一连接板和第二连接板,第一连接板与主体区连接,第二连接板与凹陷区连接,以在第一加强件与安装槽的侧壁之间形成有第一吸能腔,第一吸能腔至少分布于安装槽的前侧或后侧,在汽车被追尾碰撞时,第一吸能腔会在碰撞能量传递至乘员座椅之前先吸收部分能量,以此减少向前侧传递的碰撞能量,降低乘员座椅的变形程度,保证车内乘员的生存空间,从而提高汽车的安全性能。


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    Title :

    Rear floor assembly and automobile


    Additional title:

    一种后地板总成及汽车


    Contributors:
    SHI DENGREN (author) / LI YUN (author) / CHEN ZHAO (author) / PAN HUI (author) / LIN WEIXIONG (author) / ZHANG LIN (author) / LIAO LIPING (author) / JIANG JIAFENG (author) / OUYANG CHENHUI (author)

    Publication date :

    2021-06-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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