The invention provides a vehicle body frame structure which can improve the collision safety performance of a vehicle body, can reduce the weight different from the prior art, and enables the manufacturing of a frame part to be easy. And furthermore, the development of a sustainable transportation system is facilitated. A vehicle body frame structure according to the present invention is provided with a frame member (side sill outer member (12)) having a hat-shaped cross-section. Among the top surface (Sa2) and the side surface (Sb2) constituting the hat shape, the side surface (Sb2) is provided with an uneven part (3) in which convex parts (31) facing the outer side of the hat shape and concave parts (32) facing the inner side of the hat shape are alternately and continuously formed in a wave shape, and the uneven part (3) is formed in such a manner that the convex parts (31) and the concave parts (32) are alternately and continuously formed in the hat shape. The height (H1) from the side surface (Sb2) is less than or equal to the plate thickness (T1) of the frame member (side sill outer member (12)).

    本发明提供的车身架构造能够使车身的碰撞安全性能提高,并且不同于以往而能够实现重量减轻,且车架部件的制造容易。并且,进而有助于可持续运输系统的发展。本发明的车身架构造具有形成为具有帽子形状的截面的车架部件(下纵梁外构件(12)),该车身架构造的特征在于,在构成所述帽子形状的顶面(Sa2)以及侧面(Sb2)中的所述侧面(Sb2)具有使朝向所述帽子形状的外侧的凸部(31)和朝向内侧的凹部(32)交替连续而形成为波浪状的凹凸形状部(3),所述凹凸形状部(3)形成为,离所述侧面(Sb2)的高度(H1)为所述车架部件(下纵梁外构件(12))的板厚(T1)以下。


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    Titel :

    Vehicle body frame structure


    Weitere Titelangaben:

    车身架构造


    Beteiligte:
    HAYASHI SEIJI (Autor:in) / OKITSU YOSHITAKA (Autor:in)

    Erscheinungsdatum :

    2023-10-17


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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