The invention relates to the technical field of vehicle bodies, in particular to a back door frame structure, a vehicle body and a vehicle. The back door frame structure comprises rear stand column roof side rail assemblies, rear stand column assemblies and a rear apron board welding assembly, the rear stand column assemblies are connected to the two sides of the rear apron board welding assembly respectively, and the rear stand column roof side rail assemblies are connected to the two rear stand column assemblies respectively. The rear stand column roof side rail assembly, the rear stand column assembly and the rear apron board welding assembly form a semi-closed annular cavity, a reinforcing structure is arranged in the annular cavity, and the reinforcing structure is arranged at the position of the rear stand column assembly and the rear apron board welding assembly. The invention aims to effectively enhance the rigidity and the strength of a back door frame when a tail box adopts a downward turning type back door or the top of the tail box is designed to be openable glass, so that the rigidity, the strength and the NVH (Noise Vibration and Harshness) performance of a whole vehicle are improved, and the requirement on the rigidity of a mounting point of the back door is met.

    本发明涉及车身技术领域,具体涉及一种背门框结构、车身及车辆。该背门框结构,包括后立柱上边梁总成、后立柱总成和后裙板焊接总成,所述后立柱总成分别连接在后裙板焊接总成的两侧,所述后立柱上边梁总成分别连接在两个所述后立柱总成上,所述后立柱上边梁总成、后立柱总成和后裙板焊接总成构成半封闭的环状空腔,所述环状空腔内设置有加强结构,所述加强结构设置在后立柱总成和后裙板焊接总成处。其目的在于,使尾箱采用下翻式背门或尾箱顶部设计为可开启的玻璃时,能够有效的增强背门框的刚度和强度,从而提升整车的刚度、强度以及NVH性能,并满足背门的安装点刚度。


    Access

    Download


    Export, share and cite



    Title :

    Back door frame structure, vehicle body and vehicle


    Additional title:

    一种背门框结构、车身及车辆


    Contributors:
    XIANG TAO (author) / HUANG SHENGKE (author) / WANG KE (author) / TAN CHANGYONG (author) / ZHANG CHENGYONG (author)

    Publication date :

    2023-10-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



    Back door frame and vehicle

    YANG ZHONG / XU ZHI'AN / LIAO SHUIPING et al. | European Patent Office | 2025

    Free access

    Door frame structure, vehicle body and railway vehicle

    LI SI / DU PENGCHENG / LIANG YONGTING et al. | European Patent Office | 2022

    Free access

    Door frame system, vehicle body and vehicle

    CHEN QINGWEN / JIN XIAOHONG / XU RULONG et al. | European Patent Office | 2025

    Free access

    VEHICLE DOOR FRAME STRUCTURE

    KAWANO MASANORI / YAMASAKI HIROAKI / NISHIKAWA KENTARO et al. | European Patent Office | 2017

    Free access

    Vehicle door frame structure

    SHIMIZU KENJI / OHSAWA SHIGENOBU / YOSHIHARA JIRO | European Patent Office | 2016

    Free access