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    • 4. 发明授权
    • Protective boot assembly for constant velocity universal joint
    • 恒速万向节保护罩组件
    • US4747805A
    • 1988-05-31
    • US10398
    • 1987-02-03
    • Hans-Heinrich WelschofRudolf Beier
    • Hans-Heinrich WelschofRudolf Beier
    • B60T8/171F16D3/16F16D3/84F16J3/04F16J15/52G01P3/488F16C1/26
    • G01P3/488F16D3/845Y10S464/906Y10T403/31Y10T403/52
    • A protective boot for sealing the free space between the driving and driven parts of a constant velocity universal joint formed of a material which is suitable for injection molding, wherein the boot is formed with a larger outer diameter part mounted on an outer joint member of the joint and attached thereto by a relative thin-walled metal cap which, due to its resilience, is capable of sealingly pressing radial and axial sealing faces provided at the outer diameter part of the boot against an outer circumference and an end face of the outer joint member while securingly embracing them. The boot is formed with a smaller diameter part which is provided with an inwardly directed end facing the outer joint member and resting in sealing engagement against a driving shaft connected to an inner joint member of a universal joint over a defined distance. For improving production characteristics, the inwardly directed end of the boot may have a relatively short length and a resulting free space up to the axial limit of the joint inner member is bridged by a sleeve which may be of cardboard or plastic and which may have elongate slots to facilitate assembly.
    • 一种用于密封由适于注射成型的材料形成的等速万向接头的驱动部分和被驱动部分之间的自由空间的保护套,其中,所述护罩形成有安装在所述外部接头构件上的较大外径部分 通过相对的薄壁金属盖接合并附接到其上,该金属盖由于其弹性而能够密封地将设置在护罩的外径部分处的径向和轴向密封面抵靠外部接头的外周和端面 成员,同时确保拥抱他们。 靴子形成有较小的直径部分,其具有面向外部接头部件的向内指向的端部,并且与限定距离上连接到万向接头的内部接头部件的驱动轴线密封接合。 为了改善生产特性,靴子的向内指向的端部可以具有相对短的长度,并且通过可以是纸板或塑料的套筒桥接直到接头内部构件的轴向极限的所产生的自由空间,并且可以具有细长的 槽以方便装配。