To provide a stopper which is easily attached while preventing removal and enables easy manufacturing.SOLUTION: A stopper made of a thermoplastic elastomer includes: an annular attachment part which is inserted into a recess of a first member; and a cylindrical expansion/contraction part which includes a first end in an axial direction which is continuous with the attachment part and a second end at the opposite side of the first end in the axial direction and in which an inner peripheral surface and an outer peripheral surface are formed in bellows shapes where crests and troughs continue in the axial direction. The attachment part includes: a pressure receiving surface part which extends from the first end to the outer side in an axial perpendicular direction of a center axis; and an end surface part which extends from an outer edge part in the axial perpendicular direction of the pressure receiving surface part to the inner side in the axial perpendicular direction and the opposite side of the second end. The outer peripheral surface and the pressure receiving surface part form a trough bottom at the outer side in the axial perpendicular direction of the first end, and the inner peripheral surface and the pressure receiving surface part form a peak at the inner side in the axial perpendicular direction of the first end. The outer edge part is located at the outer side in the axial perpendicular direction relative to the plurality of peaks of the outer peripheral surface of the expansion/contraction part.SELECTED DRAWING: Figure 1

    【課題】取り付け易さと抜け難さとを両立しつつ製造し易いストッパを提供すること。【解決手段】熱可塑性エラストマ製のストッパは、第1部材の窪みに挿入される環状の取付部と、取付部に連なる軸方向の第1端と、第1端とは軸方向の反対側の第2端とを含み、山と谷とが軸方向に連続する蛇腹状に内周面および外周面が形成された筒状の伸縮部と、を備える。取付部は、第1端から中心軸の軸直角方向の外側へ延びた受圧面部と、受圧面部の軸直角方向の外縁部から軸直角方向の内側かつ第2端とは反対側へ延びた端面部と、を含む。外周面と受圧面部とにより第1端の軸直角方向の外側に谷底が形成され、内周面と受圧面部とにより第1端の軸直角方向の内側に山頂が形成される。外縁部は、伸縮部の外周面の複数の山頂よりも軸直角方向の外側に位置する。【選択図】図1


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    Title :

    STOPPER


    Additional title:

    ストッパ


    Contributors:

    Publication date :

    2022-02-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16F SPRINGS , Federn / B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



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