To provide a sealing device which can improve an effect of suppressing intrusion of muddy water to the inside of a bearing.SOLUTION: A sealing device is used in a wheel rolling bearing device having an inner shaft and an outer ring which are concentrically arranged, and including a flange which has a side face opposing an end face of the outer ring in an axial direction with a clearance and is arranged at an end part of the inner shaft. The sealing device is arranged at a vehicle outer side of an annular space between the inner shaft and the outer ring, and suppresses the intrusion of muddy water into the annular space. The sealing device comprises a core grid which is fit and fixed to an end part of the outer ring, and a seal member fixed to the core grid, and having a deflector arranged at an outside diameter part of the core grid. An annular groove part is formed on an external peripheral face of the deflector. A wall face at a vehicle inner side out of wall faces of the groove part is an inclination face which inclines so as to separate from the flange as progressing toward the outside in a radial direction.SELECTED DRAWING: Figure 2

    【課題】軸受内部への泥水浸入抑制効果を向上させることができる密封装置を提供する。【解決手段】同心状に配置された内軸と外輪とを備え、当該外輪の軸方向端面に隙間を有して対向する側面を有したフランジが前記内軸の端部に設けられた車輪用転がり軸受装置に用いられ、前記内軸と前記外輪との間の環状空間の車両アウタ側に設けられ、当該環状空間に泥水が浸入するのを抑制する密封装置。前記外輪の端部に嵌合固定される芯金と、前記芯金に固定され、当該芯金の外径部に設けられるデフレクタを有するシール部材と、を備える。前記デフレクタの外周面に環状の溝部が形成されている。前記溝部の壁面のうち車両インナ側の壁面が、径方向外方に向かうに従い前記フランジから離間するよう傾斜する傾斜面である。【選択図】図2


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    Titel :

    SEALING DEVICE


    Weitere Titelangaben:

    密封装置


    Beteiligte:

    Erscheinungsdatum :

    2020-05-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    F16C SHAFTS , Wellen / B60B VEHICLE WHEELS , Räder für Fahrzeuge / F16J Kolben , PISTONS



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