PROBLEM TO BE SOLVED: To provide an actuator including a reverse input prevention device and capable of reducing the number of components, and a steering device for a vehicle.SOLUTION: An actuator 1 includes: a motor 10 having a rotary shaft 10a; rotation transmission members (11, 12) for transmitting the rotation of the rotary shaft 10a; a reverse input preventing device 20 having an input member 30 and an output member 40 which rotate according to the rotation of the rotation transmission members (11, 12), and for preventing an external force inputted on the output member 40 side from being transmitted to the input member 30; a conversion device 50 having a nut 51 for rotating according to the rotation of the output member 40, and for converting the rotational motion of the nut 51 into a linear motion; and a rod 60 for advancing/retreating by the linear motion of the conversion device 50. The input member 30 is integrated with the rotation transmission members (11, 12), and the output member 40 is integrated with the nut 51.SELECTED DRAWING: Figure 4
【課題】逆入力防止装置を備え、部品点数の低減を図ることができるアクチュエータ及び車両用転舵装置を提供することを目的とする。【解決手段】本発明に係るアクチュエータ1は、回転軸10aを有するモータ10と、回転軸10aの回転を伝達する回転伝達部材(11、12)と、回転伝達部材(11、12)の回転に伴い回転する入力部材30及び出力部材40を有し、出力部材40側に入力された外力を入力部材30に伝達することを防止する逆入力防止装置20と、出力部材40の回転に伴い回転するナット51を有し、ナット51の回転運動を直線運動に変換する変換装置50と、変換装置50の直線運動により進退するロッド60と、を備え、入力部材30と回転伝達部材(11、12)とは、一体であり、出力部材40とナット51とは、一体であることを特徴とする。【選択図】図4
ACTUATOR, AND STEERING DEVICE FOR VEHICLE
アクチュエータ、及び車両用転舵装置
2016-06-30
Patent
Electronic Resource
Japanese
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