The invention relates to a negative Poisson's ratio filled inner core energy absorption box based on an animal horn bionic structure, which comprises a shell and an inner core, the shell is of a hierarchical structure with a rectangular section, all layers of shell bodies of the shell are connected through isomorphic constraint beams, the inner core is a three-dimensional negative Poisson's ratio core body and is composed of negative Poisson's ratio cell elements, and the negative Poisson's ratio cell elements are arranged in the shell. The cell element is a honeycomb cell element with any curved edge, the curved edge of the cell element is an inner concave section of any curved edge, the cell element performs array change along the X direction to obtain a multi-cell structure, and the multi-cell structure rotates around the X axis by 90 degrees and performs array change along the X axis and the Y axis for multiple times to obtain the three-dimensional negative Poisson's ratio core body. When the energy absorption box is impacted in all directions, the energy absorption box has good energy absorption capacity, high compression force efficiency and high collision resistance.

    本发明涉及一种基于动物犄角仿生结构的负泊松比填充内芯吸能盒,包括外壳和内芯,所述外壳为矩形截面的层级结构,外壳的各层壳体间同构约束梁连接,所述内芯为三维负泊松比芯体,由负泊松比胞元构成,所述胞元为任意曲边蜂窝胞元,胞元曲边为任意曲边的内凹段,胞元沿X方向作阵列变化得到多胞结构,多胞结构绕X轴旋转90度并沿X、Y轴多次阵列变化得到三维负泊松比芯体。本发明吸能盒在受到各方向冲击时,具有良好的吸能能力,以及较高的压缩力效率,有很强的耐撞能力。


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    Title :

    Negative Poisson's ratio filling inner core energy absorption box based on animal corner bionic structure


    Additional title:

    基于动物犄角仿生结构的负泊松比填充内芯吸能盒


    Contributors:
    XU FENGXIANG (author) / NIU XIAOQIANG (author) / YU KEJIONG (author) / GUAN YIJIE (author) / WANG DEWEI (author) / DENG XIANGLIN (author)

    Publication date :

    2022-09-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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