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    • 7. 发明公开
    • Sealing device, in particular for wheel hubs of motor bikes
    • Abdichtungsvorrichtung,insbesonderefürRadnaben vonMotorrädern
    • EP2713082A1
    • 2014-04-02
    • EP13186036.3
    • 2013-09-25
    • Aktiebolaget SKF
    • Giraudo, PaoloLo Conte, Alessandro
    • F16J15/32F16J15/447
    • B60B27/0073B60B27/001F16C33/7836F16C33/7879F16C2326/02F16J15/3256
    • A sealing device (1) including an annular reinforcing insert (7) couplable with a wheel hub (2) in use and an annular sealing element (11) carried by the reinforcing insert and including at least one sealing lip (12) cooperating with a spacer (3) carried by a wheel support pin (3b) in use; the reinforcing insert delimits an annular chamber (14) arranged directly adjacent to the annular sealing element in axial direction, and the device further includes a shield (16) mounted in floating manner with radial and axial play in the annular chamber (14), including a first radial end (17), which extends to the lip (12) and couples in forced manner with the spacer (3) in use, and a second radial end (18), opposite to the first, which cooperates with the reinforcing insert (7) and with the annular sealing element (11) to create a labyrinth seal (19) in the annular chamber interposed in use between the annular lip (12) and an environment (E) external to the wheel hub (2).
    • 一种密封装置(1),包括与使用中的轮毂(2)联接的环形加强插入件(7)和由所述加强插入件承载的环形密封元件(11),并且包括与至少一个密封唇(12)配合的密封唇 垫片(3)由使用中的轮支撑销(3b)承载; 所述加强插入件限定在轴向方向上与所述环形密封元件直接相邻布置的环形室(14),并且所述装置还包括以环形室(14)中的径向和轴向游动的方式以浮动方式安装的屏蔽件(16),包括 第一径向端部(17),其延伸到所述唇缘(12)并以强制方式与所述间隔件(3)在使用中联接;以及与所述第一径向端部(18)相对的第二径向端部(18),所述第二径向端部与所述加强插入件 (7)和环形密封元件(11)之间以在环形室中形成迷宫式密封件(19),所述迷宫式密封件被插入在环形唇部(12)和轮毂(2)外部的环境(E)之间。