The invention discloses a D column lower connector structure and an automobile, and relates to the technical field of automobiles, the D column lower connector structure comprises a first connecting shell part and a second connecting shell part, a first cavity is formed in the inner side of the first connecting shell part, and a first mounting surface is formed on the inner side, corresponding to a tail door opening of a heaven and earth door automobile, of the first connecting shell part; the second connecting shell part is concave downwards, and an opening in the concave end of the second connecting shell part is connected with the first mounting surface; according to the technical scheme, a double-cavity connecting structure is formed through the first connecting shell part and the second connecting shell part, the overall structural strength of the first connecting shell part can be well improved through the second connecting shell part, particularly, the torsional rigidity and modality of the first connecting shell part can be effectively improved, and due to the structural arrangement in the scheme, the overall structural strength of the first connecting shell part can be effectively improved. The lower back door lock and the retractor fixing part fixing reinforcing plate can be arranged on the complete second connecting shell part, and the rigidity and the strength of mounting points of the lower back door lock and the retractor fixing part are greatly improved.

    本发明公开了一种D柱下接头结构及汽车,涉及汽车技术领域,其中,D柱下接头结构包括第一连接壳部及第二连接壳部,第一连接壳部其内侧形成有第一空腔,第一连接壳部对应于天地门汽车的尾门开口内侧形成有第一安装面,第二连接壳部呈下凹状设置,且其下凹端开口与第一安装面相接;本发明提供的技术方案通过第一连接壳部及第二连接壳部形成了双腔体的连接结构,通过第二连接壳部能够很好的提升第一连接壳部的整体结构强度,特别是能够有效的提升第一连接壳部的抗扭转刚度及模态,且本方案中的结构设置,能够让下背门门锁及卷收器固定部固定加强板布置在完整的第二连接壳部上,对下背门锁和卷收器固定部安装点的刚度和强度有很大提升作用。


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    Titel :

    D column lower joint structure and automobile


    Weitere Titelangaben:

    D柱下接头结构及汽车


    Beteiligte:
    ZHOU QINGHUA (Autor:in) / YANG WENJIE (Autor:in) / LIU QIAOLING (Autor:in) / SUI WENYI (Autor:in) / KANG JIE (Autor:in)

    Erscheinungsdatum :

    16.05.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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