JPS6315270U

JPS6315270U -

Info

Publication number: JPS6315270U
Application number: JP10805386U
Authority: JP
Priority date: 1986-07-16
Filing date: 1986-07-16
Publication date: 1988-02-01
Anticipated expiration: 2001-07-16
Also published as: JPH0537902Y2

Description

[Brief explanation of the drawing]

第１図は本考案の第１実施例の側断面図、第２
図は第１図のＡ―Ａ線に沿う断面図、第３図は第
１実施例の第１歯車と第２歯車の噛合い部分の拡
大部分図、第４図は第２実施例の第１歯車の正面
図、第５図は第４図のＢ―Ｂ線に沿う断面図、第
６図は第４図のＣ―Ｃ線に沿う断面図、第７図は
第３実施例の第１歯車の正面図、第８図は第７図
のＤ―Ｄ線に沿う断面図、第９図は第４実施例の
第１歯車の正面図、第１０図は第９図のＥ―Ｅ線
に沿う断面図、第１１図は第５実施例の一部側断
面図、第１２図は従来の電気式動力舵取装置の側
断面図である。〔主要部分の符号の説明〕１０２……電気モー
タ、１０４……入力軸、１０６……出力軸（ピニ
オン軸）、１１４……検出器、１１２……歯車手
段、１２５，２２５，３２５，４２５，５２５…
…第１歯車、１２６，２２６，３２６，４２６，
５２６……主歯車部、１２７，２２７，３２７，
４２７，５２７……補助歯車部、１２４，５２４
……第２歯車。 Fig. 1 is a side sectional view of the first embodiment of the present invention;
The figure is a cross-sectional view taken along line A-A in Figure 1, Figure 3 is an enlarged partial view of the meshing portion of the first gear and second gear of the first embodiment, and Figure 4 is a cross-sectional view of the meshing part of the first gear and the second gear of the first embodiment. 1 gear, FIG. 5 is a sectional view taken along the line BB in FIG. 4, FIG. 6 is a sectional view taken along the line CC in FIG. 4, and FIG. 7 is a sectional view taken along the line C--C in FIG. 1 is a front view of the first gear, FIG. 8 is a sectional view taken along the line DD in FIG. 7, FIG. 9 is a front view of the first gear of the fourth embodiment, and FIG. 11 is a partial side sectional view of the fifth embodiment, and FIG. 12 is a side sectional view of a conventional electric power steering device. [Description of symbols of main parts] 102...Electric motor, 104...Input shaft, 106...Output shaft (pinion shaft), 114...Detector, 112...Gear means, 125, 225, 325, 425, 525...
...First gear, 126, 226, 326, 426,
526...Main gear part, 127, 227, 327,
427,527...Auxiliary gear part, 124,524
...Second gear.

Claims

[Claims for Utility Model Registration] 1. An input shaft into which rotational torque is input, a detection means for detecting the rotational torque, an electric motor that provides rotational output based on the detection, and an output shaft that outputs the rotational output. In an electric power auxiliary device comprising a gear means for transmission, at least one first
The gear consists of a main gear part that comes into contact with one tooth surface of a second gear that is in mesh and transmits torque, and a main gear part that is coaxial with the main gear part and rotated relatively around the axis and the other part of the second gear that is in mesh with the main gear part. An electric power auxiliary device characterized by comprising an auxiliary gear portion that comes into contact with a tooth surface and removes bumps. 2. The electric power auxiliary device according to claim 1, wherein the gear portion and the auxiliary gear portion are urged in a relative rotation direction by an elastic force. 3. The electric power auxiliary device according to claim 2, wherein the elastic force is applied by a leaf spring. 4. The electric power auxiliary device according to claim 2, wherein the elastic force is applied by a coil spring. 5. The electric power auxiliary device according to claim 1, wherein the auxiliary gear portion is formed of an elastic member. 6. The electric power auxiliary device according to claim 1, wherein the first gear is a helical gear.