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    • 1. 发明授权
    • Bearing apparatus for a driving wheel of vehicle
    • 车辆驱动轮轴承装置
    • US06955475B2
    • 2005-10-18
    • US10411428
    • 2003-04-10
    • Eiji TajimaMasahiro OzawaMitsuru UmekidaHiroyuki Ogura
    • Eiji TajimaMasahiro OzawaMitsuru UmekidaHiroyuki Ogura
    • B60B27/00F16C19/18F16C33/62F16C43/04F16C1/26F16C43/08
    • F16C19/187B60B27/00F16C33/62F16C43/04F16C2326/02
    • A bearing apparatus for a driving wheel of vehicle for rotatably supporting the driving wheel relative to a body of a vehicle has a wheel hub, integrally formed with a wheel mounting flange, a constant velocity universal joint and a double row rolling bearing assembled as a unit. A separate inner ring is press fitted onto a cylindrical portion of the wheel hub. An outer joint member of the constant velocity universal joint is fitted within the wheel hub. The bore surface of the wheel hub is formed with a hardened irregular portion. The wheel hub and the outer joint member are integrally connected with making the hardened irregular portion of the wheel hub bite into the outer circumferential surface at a fitting portion of the outer joint member by radially outwardly expanding the fitting portion of the outer joint member. The hardness of the bore surface of the fitting portion of the outer joint member is higher than that of the core portion of the fitting portion of the outer joint member.
    • 一种用于可转动地支撑驱动轮相对于车体的车辆的驱动轮的轴承装置,具有轮毂,该轮毂与车轮安装法兰,等速万向接头和作为一个单元组装的双列滚动轴承整体形成 。 单独的内圈压配合到轮毂的圆柱形部分上。 等速万向接头的外接头构件安装在轮毂内。 轮毂的孔表面形成有硬化的不规则部分。 轮毂和外接头构件通过使外接头构件的嵌合部向径向向外膨胀而使轮毂的硬化不规则部分咬合在外接头构件的嵌合部的外周面上。 外侧接头部件的嵌合部的孔面的硬度高于外侧接头部件的嵌合部的芯部的硬度。
    • 2. 发明授权
    • Bearing apparatus for a driving wheel of vehicle
    • 车辆驱动轮轴承装置
    • US07267490B2
    • 2007-09-11
    • US10327549
    • 2002-12-20
    • Masahiro OzawaEiji TajimaMitsuru UmekidaHiroyuki Ogura
    • Masahiro OzawaEiji TajimaMitsuru UmekidaHiroyuki Ogura
    • F16C19/08
    • F16C35/063B60B27/00F16C19/186F16C19/187F16C19/527F16C33/60F16C43/04F16C2326/02Y02T10/86
    • A bearing apparatus for a driving wheel of vehicle where the weight and size of the apparatus can be reduced and the durability can be improved with adopting plastic deformed connection between essential parts forming the apparatus. The bearing apparatus for a driving wheel of vehicle has a hub wheel, a constant velocity universal joint, and a double row rolling bearing which are assembled as a unit. One of the inner raceway surfaces is formed on the outer circumferential surface of the hub wheel. The other of the inner raceway surfaces is formed on the outer circumferential surface of the outer joint member. The hub wheel and the outer joint member are fitted with each other with one end surface being abutted against the shoulder of the outer joint member. The inner circumferential surface at the fitting portion of the hub wheel is formed with a hardened irregular portion. The hub wheel and the outer joint member are integrally connected via plastic deformation of the outer joint member. The hardened irregular portion bites into the outer circumferential surface at the fitting portion of the outer joint member by radially outwardly expanding the fitting portion of the outer joint member. The outer circumferential surface of the outer joint member is formed with a hardened layer at least at a region including the inner raceway surface and the shaft portion except for the fitting portion of the outer joint member.
    • 一种用于车辆的驱动轮的轴承装置,其中通过在形成该装置的基本部件之间采用塑性变形连接,能够减轻设备的重量和尺寸并提高耐久性。 用于车辆的驱动轮的轴承装置具有作为一个单元组装的轮毂轮,等速万向接头和双列滚动轴承。 一个内滚道表面形成在轮毂轮的外圆周表面上。 内侧滚道面的另一方形成在外侧接头构件的外周面上。 轮毂轮和外接头构件彼此配合,一个端面抵靠外接头构件的肩部。 轮毂轮嵌合部的内周面形成有硬化的不规则部。 轮毂轮和外接头构件通过外接头构件的塑性变形而一体地连接。 硬化的不规则部分通过径向向外扩张外接头构件的嵌合部分而咬入外接头构件的嵌合部分的外圆周表面。 外侧接头部件的外周面至少在除了外侧接头部件的嵌合部以外的内侧滚道面和轴部的区域形成硬化层。