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    • 4. 发明授权
    • Fixed type constant velocity universal joint
    • 固定式等速万向节
    • US08342971B2
    • 2013-01-01
    • US12522981
    • 2008-01-07
    • Masazumi KobayashiKisao YamazakiHisaaki KuraShin Tomogami
    • Masazumi KobayashiKisao YamazakiHisaaki KuraShin Tomogami
    • F16D3/224
    • F16D3/2245F16D3/2237
    • A fixed type constant velocity universal joint secures smooth rotation and reduces a load on a cage even at a large operating angle and when bearing large torque. The universal joint includes an outer joint member having an inner spherical surface in which track grooves are circumferentially formed in an axial direction and an inner joint member having an outer spherical surface in which track grooves paired with the track grooves of the outer joint member are circumferentially formed in the axial direction and multiple outer spherical surface portions circumferentially arranged. Balls are interposed between the track grooves of the outer and inner joint members for transmitting torque. A cage is interposed between the inner spherical surface and the outer spherical surface for retaining the balls. A spherical surface angle of the outer spherical surface on a joint opening side is set to 12.5° or more.
    • 固定式等速万向接头即使在大的作业角度以及承受较大的转矩时,也能保持平稳的转动并减小保持架上的载荷。 万向接头包括具有内球面的外接头构件,其中在轴向方向上周向形成有轨道槽,并且具有外球面的内接头构件,其中与外接头构件的轨道槽成对的轨道槽是周向的 沿圆周方向形成有多个外球面部。 球体设置在外侧和内侧接头构件的轨道槽之间,用于传递扭矩。 在内球形表面和外球面之间插入保持架以保持球。 接头开口侧的外球面的球面角度设定为12.5°以上。
    • 8. 发明授权
    • Fixed type constant velocity universal joint
    • 固定式等速万向节
    • US08162766B2
    • 2012-04-24
    • US12525705
    • 2008-01-30
    • Hisaaki KuraShin TomogamiTomoshige KobayashiTeruaki FujioTakeshi KoharaTomoaki Kaneko
    • Hisaaki KuraShin TomogamiTomoshige KobayashiTeruaki FujioTakeshi KoharaTomoaki Kaneko
    • F16D3/224
    • F16D3/2237F16D3/2245F16D2003/22309F16D2250/00F16D2300/10Y10S464/906
    • A fixed type constant velocity universal joint includes an outer joint member having an inner spherical surface in which a plurality of track grooves extending in an axial direction are formed; an inner joint member having an outer spherical surface in which a plurality of track grooves extending in the axial direction while paired with the track grooves of the outer joint member are formed. A plurality of balls are interposed between the track grooves of each of the outer joint member and the inner joint member, for transmitting a torque, and a cage is interposed between the inner spherical surface of the outer joint member and the outer spherical surface of the inner joint member, for holding the balls. The outer joint member and the inner joint member each have a center curvature of the track grooves being offset from each other in a direction opposite to the axial direction by an equal distance with respect to a joint center, in which: a PCD gap (2×m) in a ball track formed between the track grooves of each of the outer joint member and the inner joint member is set to equal to or larger than 25 μm.
    • 固定式等速万向接头包括具有内球面的外接头构件,其中形成有沿轴向方向延伸的多个轨道槽; 形成具有外球面的内侧接头部件,在外侧球面上形成有沿轴向延伸而与外侧接头部件的轨道槽成对的多个轨道槽。 在外接头构件和内接头构件的轨道槽之间插入多个滚珠,用于传递扭矩,并且保持架插入在外接头构件的内球面与外接头构件的外球面之间 内接头构件,用于保持球。 外接头构件和内接头构件各自具有轨道槽的中心曲率在与轴向相反的方向上彼此相对于关节中心相等的距离彼此偏移,其中:PCD间隙(2 ×m)设定为25μm以上的外侧接头构件和内侧接头构件的轨道槽之间形成的球轨。