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    • 8. 发明授权
    • Propeller shaft including compressive load transmitting section
    • 螺旋桨轴包括压缩载荷传递部分
    • US06190263B1
    • 2001-02-20
    • US09426718
    • 1999-10-26
    • Yukitane KimotoYasuyuki ToyodaYutaka Ochi
    • Yukitane KimotoYasuyuki ToyodaYutaka Ochi
    • F16C300
    • F16C3/026
    • A propeller shaft for automobiles includes a cylindrical main body 1 made of FRP and joints 2 that are joined to the ends of this main body by press fitting, the main body 1 having a main layer 1a extending over the entire length thereof and including reinforcing fibers helically wound at an angle of ±5˜30° with respect to the axial dimension of the main body, and sub-layers 1b formed at the ends of the main body so as to be integral with and internally of the main layer 1a and including hooped reinforcing fibers. Each joint 2 has a slope 2c descending toward the joint surface between this joint and the main body 1, an erect surface 2d having an outer diameter not larger than the outer diameter of the sub-layers 1b and abutting the end surface of the associated sub-layer 1b, or a wedge 2f the tip of which is opposed to the interface between the main layer 1a and the associated sub-layer 1b. When an axial compressive load is applied to the joints 2, the slopes 2c, the erect surfaces 2d or the wedges 2f cause the main layer 1a and the sub-layers 1b to be separated from each other to cause rupture of the main body to proceed, thereby enabling the energy absorbing effect due to a crashable body structure to be realized.
    • 用于汽车的传动轴包括由FRP制成的圆柱形主体1和通过压配合而连接到本主体的端部的接头2,主体1具有在其整个长度上延伸的主层1a,并且包括增强纤维 相对于主体的轴向尺寸以±5〜30°的角度螺旋缠绕,以及形成在主体的端部处以与主层1a一体并内部的子层1b,并且包括 箍筋增强纤维 每个接头2具有朝向该接头和主体1之间的接合表面下降的斜面2c,具有不大于子层1b的外径的外径的直立表面2d并且邻接相关联的子部分的端表面 层1b,或其顶端与主层1a和相关子层1b之间的界面相对的楔形件2f。 当向接头2施加轴向压缩载荷时,斜面2c,直立面2d或楔形件2f使主层1a和子层1b彼此分离,使主体破裂进行 从而能够实现由于可碰撞的身体结构引起的能量吸收效果。