JPH0174064U - - Google Patents
Info
- Publication number
- JPH0174064U JPH0174064U JP1987169150U JP16915087U JPH0174064U JP H0174064 U JPH0174064 U JP H0174064U JP 1987169150 U JP1987169150 U JP 1987169150U JP 16915087 U JP16915087 U JP 16915087U JP H0174064 U JPH0174064 U JP H0174064U
- Authority
- JP
- Japan
- Prior art keywords
- gear
- gear mechanism
- interposed
- differential
- brake means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims 1
Description
図面は本考案の実施例を示し、第１図は高速回
転状態の断面図、第２図は第１図の２―２線に沿
える断面図、第３図は第１図の３―３線に沿える
断面図、第４図は第１図の４―４線に沿える断面
図、第５図は内歯歯車とトルク設定カムとの係合
部を示す展開断面図、第６図は低速回転に切替つ
た状態の断面図である。
図中、Ａ：可変速歯車装置、Ｂ：差動歯車機構
、Ｂ１，Ｂ２，Ｂ３：遊星歯車機構、Ｃ：クラツ
チ機構、Ｄ：ブレーキ手段、２：モータ、３：歯
車ケース、８，２２：内歯歯車、２５：トルク設
定カム、３１，３２：摩擦板。
The drawings show an embodiment of the present invention, in which Fig. 1 is a sectional view in a high-speed rotation state, Fig. 2 is a sectional view along line 2-2 in Fig. 1, and Fig. 3 is a sectional view taken along line 3-3 in Fig. 1. 4 is a sectional view taken along the line 4-4 in FIG. 1, FIG. 5 is an expanded sectional view showing the engagement part between the internal gear and the torque setting cam, and FIG. 6 FIG. 2 is a sectional view showing a state in which the rotation speed is switched to low speed. In the figure, A: Variable speed gear device, B: Differential gear mechanism, B 1 , B 2 , B 3 : Planetary gear mechanism, C: Clutch mechanism, D: Brake means, 2: Motor, 3: Gear case, 8 , 22: Internal gear, 25: Torque setting cam, 31, 32: Friction plate.
Claims (1)
歯車機構を装着し、その差動歯車機構の内・外両
出力軸の回転方向が同一となるように出力側の少
なくとも一方に中間歯車を介在すると共に、クラ
ツチ機構を介在し、更に差動歯車機構における最
終の遊星歯車機構の内歯歯車の外周面に突部を形
成してトルク設定カムと係脱自在とし、且つ差動
歯車機構における最初の遊星歯車機構の内歯歯車
と歯車ケースとの間に多板摩擦板からなるブレー
キ手段を設けると共に、該ブレーキ手段は最終遊
星歯車機構の内歯歯車の軸方向移動によりブレー
キ力が強弱可変されるようにした回転電動工具の
可変速歯車装置。 A differential gear mechanism is installed in a gear case fixed to a housing, etc., and an intermediate gear is interposed on at least one of the output sides so that both the inner and outer output shafts of the differential gear mechanism rotate in the same direction. At the same time, a clutch mechanism is interposed, and a protrusion is formed on the outer peripheral surface of the internal gear of the last planetary gear mechanism in the differential gear mechanism so that it can be freely engaged with and disengaged from the torque setting cam. A brake means consisting of a multi-plate friction plate is provided between the internal gear of the planetary gear mechanism and the gear case, and the braking force of the brake means is varied in strength by axial movement of the internal gear of the final planetary gear mechanism. A variable speed gear device for a rotary power tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169150U JPH0174064U (en) | 1987-11-04 | 1987-11-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169150U JPH0174064U (en) | 1987-11-04 | 1987-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0174064U true JPH0174064U (en) | 1989-05-18 |
Family
ID=31458948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987169150U Pending JPH0174064U (en) | 1987-11-04 | 1987-11-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0174064U (en) |
-
1987
- 1987-11-04 JP JP1987169150U patent/JPH0174064U/ja active Pending
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