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    • 9. 发明公开
    • Coupling structure and steering device
    • Kopplungsstruktur und Lenkvorrichtung
    • EP2530343A1
    • 2012-12-05
    • EP12169095.2
    • 2012-05-23
    • JTEKT CORPORATION
    • Yamakawa, Tomonari
    • F16D1/116
    • F16D1/116F16B21/186Y10T403/11
    • In a coupling structure for coupling a middle shaft (12) that may function as a first rotary member to an input shaft (13) that may function as a second rotary member such that torque is transmittable therebetween, a snap ring (26) is engaged with both a first engagement groove (24) of a cylindrical member (18) and a second engagement groove (25) of a shaft portion (21) to restrict axial movement of the input shaft (13) relative to the middle shaft (12). The first and second engagement grooves (24, 25) are formed such that the snap ring (26) is disengaged from the first engagement groove (24) when a load higher than or equal to a predetermined load is applied to the middle shaft (12) and the input shaft (13) in the separating direction. There is provided a separation nut (42) that is fitted to a threaded portion formed on the shaft portion (21) and that rotates and moves toward middle shaft (12) to push the middle shaft (12).
    • 在用于将可用作第一旋转构件的中间轴(12)联接到可用作第二旋转构件的输入轴(13)的联接结构中,使得能够在其间传递扭矩,卡环(26)接合 同时具有圆柱形构件(18)的第一接合槽(24)和轴部分(21)的第二接合槽(25),以限制输入轴(13)相对于中轴(12)的轴向运动, 。 第一和第二接合槽(24,25)形成为使得当高于或等于预定负载的负载施加到中轴(12)时,卡环(26)与第一接合槽(24)脱离 )和输入轴(13)。 设置有分离螺母(42),该分离螺母(42)装配到形成在轴部(21)上的螺纹部分,并且旋转并向中轴(12)移动以推动中轴(12)。