JPH03113981U - - Google Patents
Info
- Publication number
- JPH03113981U JPH03113981U JP2185190U JP2185190U JPH03113981U JP H03113981 U JPH03113981 U JP H03113981U JP 2185190 U JP2185190 U JP 2185190U JP 2185190 U JP2185190 U JP 2185190U JP H03113981 U JPH03113981 U JP H03113981U
- Authority
- JP
- Japan
- Prior art keywords
- stator
- step motor
- stator yoke
- groove
- yoke
- 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
- 230000005284 excitation Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
Description
第１図は本考案のステータ構造を用いたステツ
プモータの実施例を示す断面図、第２図は従来例
のステータ構造を用いたステツプモータの断面図
、第３図は励磁パターンと磁力線の向きを示す説
明図、第４図は無励磁状態の極歯と永久磁石ロー
タの磁極の対向関係を示す説明図である。
１，１０……外ステータヨーク、２……第１の
内ステータヨーク、３……第２の内ステータヨー
ク、４……第３の内ステータヨーク、５……励磁
コイル、１０ａ……Ｖ溝。
Fig. 1 is a sectional view showing an embodiment of a step motor using the stator structure of the present invention, Fig. 2 is a sectional view of a step motor using a conventional stator structure, and Fig. 3 is an excitation pattern and direction of magnetic field lines. FIG. 4 is an explanatory diagram showing the opposing relationship between the pole teeth in the non-excited state and the magnetic poles of the permanent magnet rotor. 1, 10...Outer stator yoke, 2...First inner stator yoke, 3...Second inner stator yoke, 4...Third inner stator yoke, 5...Excitation coil, 10a...V groove .
Claims (1)
ステータヨークに挿入される３個の内ステータヨ
ークとが、２個の励磁コイルを別個に収納する如
く配置されるステツプモータのステータ構造にお
いて、 前記外ステータヨークの外周であつて、前記２
個の励磁コイルの間に位置する箇所に溝が形成さ
れていることを特徴とするステツプモータのステ
ータ構造。 (2) 溝の残部を０．１〜０．２mmとして溝が形
成されていることを特徴とする請求項１記載のス
テツプモータのステータ構造。[Claims for Utility Model Registration] (1) A cup-shaped outer stator yoke and three inner stator yokes inserted into this outer stator yoke are arranged so as to separately house two excitation coils. In the stator structure of the step motor, the outer periphery of the outer stator yoke is
A stator structure for a step motor, characterized in that grooves are formed at locations located between excitation coils. (2) A stator structure for a step motor according to claim 1, wherein the groove is formed with the remaining portion of the groove being 0.1 to 0.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2185190U JPH03113981U (en) | 1990-03-06 | 1990-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2185190U JPH03113981U (en) | 1990-03-06 | 1990-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03113981U true JPH03113981U (en) | 1991-11-21 |
Family
ID=31524882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2185190U Pending JPH03113981U (en) | 1990-03-06 | 1990-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03113981U (en) |
-
1990
- 1990-03-06 JP JP2185190U patent/JPH03113981U/ja active Pending