PROBLEM TO BE SOLVED: To provide a ball screw in which friction and an operation sound are reduced, and a steering device.SOLUTION: A ball screw 100 comprises a screw rod 110, a nut 120, and an end deflector 1 which is inserted into an end deflector accommodation part 123 from a left side. The end deflector 1 comprises a first deflector 10 which is arranged outside a radial direction, and in which a first tangential groove 11 continuous to a nut side groove 121 is formed, a second deflector 20 which is arranged inside the radial direction, and in which a guide part 24 for scooping up a ball 130, and guiding it to the first tangential groove 11 is formed, and a pressing part 30A having a pressing face 31 which presses the first deflector 10 toward a right side from a left side. The first deflector 10 has a pressure-receiving face 13 which generates a pressing force for pressing the first deflector 10 to the nut 120 by being pressed from the pressing face 31.SELECTED DRAWING: Figure 6

    【課題】フリクション及び作動音が低減するボールねじ及び操舵装置を提供する。【解決手段】ねじ棒110と、ナット120と、左側からエンドデフレクタ収容部123に差し込まれたエンドデフレクタ1と、を備えるボールねじ100であって、エンドデフレクタ1は、径方向外側に配置されると共にナット側溝121に連続する第1接線方向溝11が形成された第1デフレクタ10と、径方向内側に配置されると共にボール130を掬って第1接線方向溝11に案内する案内部24が形成された第2デフレクタ20と、第1デフレクタ10を左側から右側に向かって押圧する押圧面31を有する押圧部30Aと、を備え、第1デフレクタ10は、押圧面31から押圧されることで、第1デフレクタ10をナット120に押し付ける押し付け力を発生させる受圧面13を有する。【選択図】図6


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    Title :

    BALL SCREW AND STEERING DEVICE


    Additional title:

    ボールねじ及び操舵装置


    Contributors:
    ITO RYOTA (author)

    Publication date :

    2016-04-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16H Getriebe , GEARING / B62D MOTOR VEHICLES , Motorfahrzeuge



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