PROBLEM TO BE SOLVED: To provide an actuator and a vehicle door opening-closing actuator capable of reducing manufacturing cost, by improving assemblability and workability of respective parts.SOLUTION: An actuator comprises a cylindrical yoke 31, an armature 130 provided on the inside in the radial direction of the yoke 31 and rotatably provided to the yoke 31, a screw shaft 60 rotatingly driven by receiving torque of a shaft 33 of the armature 130, a deceleration gear part 50 provided between the shaft 33 and the screw shaft 60 and decelerating rotation of the shaft 33 and a nut member linked to the screw shaft 60 and moving along the axial direction of the screw shaft 60 in response to rotation of the screw shaft 60, and an internal gear 51 of the deceleration gear part 50 is provided on an inner peripheral surface 31f of the yoke 31, and the internal gear 51 is provided with a bearing 38B for rotatably supporting the shaft 33.SELECTED DRAWING: Figure 4

    【課題】組立性や各部品の加工性を向上させ、製造コストを低減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】筒状のヨーク31と、ヨーク31の径方向内側に設けられ、ヨーク31に対して回転自在に設けられるアーマチュア130と、アーマチュア130のシャフト33の回転力を受けて回転駆動されるスクリュー軸60と、シャフト33とスクリュー軸60との間に設けられ、シャフト33の回転を減速させる減速ギヤ部50と、スクリュー軸60に連係され、スクリュー軸60の回転にともなってスクリュー軸60の軸方向に沿って移動するナット部材と、を備え、ヨーク31の内周面31fに、減速ギヤ部50のインターナルギヤ51が設けられており、インターナルギヤ51に、シャフト33を回転自在に支持するための軸受38Bが設けられている。【選択図】図4


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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 :

    2017-02-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION , Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / F16H Getriebe , GEARING



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