PROBLEM TO BE SOLVED: To provide an actuator and a vehicle door opening/closing actuator which are capable of preventing rainwater or the like from entering inside, in particular, capable of surely preventing the rainwater or the like from entering in a bearing holder or a bearing.SOLUTION: Provided are a first housing 6; a second housing 7; a guide tube 48; a third housing; a motor part 11 installed in the first housing 6; a screw shaft 38 that is rotatively driven by receiving rotation force of a shaft 14 in a motor part 11, and gives motive power to the third housing 8; a bearing holder 39 provided inside the first housing 6; an inner flange 46 provided in the second housing 7; an external flange 49 that is provided to a guide tube 48, and is arranged at a position overlapping the inner flange 46 in an axial direction; a sealing part 50 pinched by each of the flanges 46 and 49; and a coil spring 47 that is provided between the second housing 7 and the guide tube 48, and presses the inner flange 46 toward the external flange 49 side.SELECTED DRAWING: Figure 3

    【課題】内部への雨水等の侵入を防止でき、とりわけ、軸受ホルダや軸受に雨水等が侵入してしまうことを確実に防止できるアクチュエータおよび車両ドア開閉用アクチュエータを提供する。【解決手段】第1ハウジング6と、第2ハウジング7と、ガイドチューブ48と、第3ハウジングと、第1ハウジング6に内蔵されるモータ部11と、モータ部11のシャフト14の回転力を受けて回転駆動すると共に第3ハウジング8に動力を付与するスクリュー軸38と、第1ハウジング6内に設けられる軸受ホルダ39と、第2ハウジング7に設けられた内フランジ46と、ガイドチューブ48に設けられ、内フランジ46と軸方向で重なる位置に配置された外フランジ49と、各フランジ46,49に挟持されるシール部50と、第2ハウジング7とガイドチューブ48との間に設けられ、内フランジ46を外フランジ49側に向かって押圧するコイルスプリング47と、を備えた。【選択図】図3


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    Title :

    ACTUATOR AND VEHICLE DOOR OPENING/CLOSING ACTUATOR


    Additional title:

    アクチュエータおよび車両ドア開閉用アクチュエータ


    Contributors:

    Publication date :

    2018-05-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / F16J Kolben , PISTONS



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