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    • 1. 发明申请
    • SEALING DEVICE
    • 密封装置
    • US20100244388A1
    • 2010-09-30
    • US12682763
    • 2008-12-10
    • Takehiro NakagawaAkihiro Komyo
    • Takehiro NakagawaAkihiro Komyo
    • F16J15/32F16C33/76
    • F16J15/3264F16C33/7876F16C33/7886F16C33/805F16C2326/06
    • To prevent entry of muddy water, a sealing device (1) has an oil seal (10) mounted in an opening end portion (2a) of a non-rotating housing (2) and a slinger (20) mounted on a rotating body (5), the oil seal (10) is integrally formed of a rubber-like elastic material on a metal reinforcement ring (11) and has the oil seal lip (13) slidably contacting with the rotating body (5), the reinforcement ring (11) has an outer diameter tube portion (11b) having no rubber-like elastic material and extending in the direction opposite to the opening end portion (2a) to surround the outer periphery of the slinger (20), and an outer seal lip (24) extending in the direction opposite to the opening end portion (2a) is mounted on a rim portion (23) of the slinger (20) to slidably contact with the inner peripheral surface of the outer diameter tube section (11b).
    • 为了防止泥水进入,密封装置(1)具有安装在非旋转壳体(2)的开口端部分(2a)中的油封(10)和安装在旋转体上的抛油环(20) 如图5所示,油封(10)由金属加强环(11)上的橡胶状弹性材料一体形成,并且具有与旋转体(5),加强环(5)滑动接触的油封唇(13) 11)具有不具有橡胶状弹性材料的外径管部(11b),并且在与开口端部(2a)相反的方向上延伸以包围抛油环(20)的外周,并且外密封唇 24)沿着与开口端部(2a)相反的方向延伸,安装在抛油环(20)的边缘部(23)上,与外径管部(11b)的内周面滑动接触。