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    • 82. 发明公开
    • CONSTANT VELOCITY UNIVERSAL JOINT
    • HOMOKINETISCHES GELENK
    • EP1079128A4
    • 2003-09-17
    • EP99926790
    • 1999-06-24
    • NTN TOYO BEARING CO LTD
    • KADOTA TETSUROYAMAZAKI KENNTA
    • F16D3/223F16D3/2233F16D3/224F16D3/2245
    • F16D3/2233F16D3/2245F16D2003/22303F16D2300/12
    • A constant velocity universal joint, comprising an external joint member (1) having a spherical inner diameter surface (1a) in which, for example, three curved guide grooves (1b) are formed axially, an internal joint member (2) having a spherical outer diameter surface (2a) in which, for example, three curved guide grooves (2b) are formed axially, three torque transmission balls (3), for example, arranged in a bolt rack in which the guide grooves (1b) of the external joint member (1) and the guide grooves (2b) of the internal joint member (2) opposed to the guide grooves (1b) are formed in cooperation with each other, a holder (4) holding the torque transmission balls (3), and an elastic member (5) installed between the outer diameter surface (2a) of the internal joint member (2) and the inner diameter surface (4a) of the holder (4).
    • 一种包括外接头构件(1)的球形固定式等速万向接头,在其球面内圆周表面(1a)上具有沿轴向形成的弯曲导向槽(1b),内接头构件(2)具有弯曲 在其球面外圆周表面(2a)上沿轴向形成的导向槽(2b),设置在通过外接头构件(1)的引导槽(1b)的配合形成的球轨中的球(3) 和内侧接头构件(2)的引导槽(2b)和保持该球(3)的保持架(4)。 外接头构件(1)的引导槽(1b)的中心和内接头构件(2)的引导槽(2b)的中心在轴向彼此偏移相等的距离 方向相对于包括球(3)的中心的关节的中心平面。 球轨逐渐朝向关节的开口侧或最内侧减小。 所述保持架(4)的内周面(4c)的开口侧的至少一个区域形成在与所述内侧接头部件(2)的外周面(2a)嵌合的圆筒面(4a1)中, 并且具有与所述内侧接头部件(2)的外周面(2a)嵌合的球面部(5c)的保持部件(5)配置在所述圆筒面(4a1)上。 独立权利要求还包括针对保持架(4)中的偏移的几何形状和球(3)的间隙。