JPS63182674U - - Google Patents
Info
- Publication number
- JPS63182674U JPS63182674U JP6164288U JP6164288U JPS63182674U JP S63182674 U JPS63182674 U JP S63182674U JP 6164288 U JP6164288 U JP 6164288U JP 6164288 U JP6164288 U JP 6164288U JP S63182674 U JPS63182674 U JP S63182674U
- Authority
- JP
- Japan
- Prior art keywords
- yoke
- permanent magnet
- rotor
- motor
- sectional
- 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
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Description
第１図は従来のモーターの断面図。第２図は、
本考案の継鉄を中ぐりしたモーターの断面図。第
３図は、本考案の中ぐり加工を継鉄両側より施し
たモーターの断面図。第４図は、本考案の外ぐり
加工を継鉄外側より施したモーターの断面図。
１…ローター、２…継鉄、３，４…永久磁石、
５…励磁ステーター、６…固定コイル、７…軸受
。
Figure 1 is a cross-sectional view of a conventional motor. Figure 2 shows
FIG. 2 is a cross-sectional view of a motor in which the yoke of the present invention is bored. Figure 3 is a cross-sectional view of a motor in which the inventive boring process has been applied from both sides of the yoke. FIG. 4 is a cross-sectional view of a motor that has been subjected to the boring process of the present invention from the outside of the yoke. 1... Rotor, 2... Yoke, 3, 4... Permanent magnet,
5... Excitation stator, 6... Fixed coil, 7... Bearing.
補正 昭６３．６．１０
考案の名称を次のように補正する。
考案の名称 小形モーターのローター構造
実用新案登録請求の範囲、図面の簡単な説明を
次のように補正する。Amendment June 10, 1983 The name of the invention is amended as follows. Title of the invention: Rotor structure of a small motor The scope of the utility model registration claims and the brief description of the drawings are amended as follows.
【実用新案登録請求の範囲】
ローター軸に固定された継鉄の外周部の一部に
永久磁石を固定してなる小形モーターのローター
構造において、前記継鉄の前記永久磁石が固定さ
れていない部分の外径を前記永久磁石が固定され
ている部分の外径よりも小さくしたことを特徴と
する小形モーターのローター構造。[Claims for Utility Model Registration] In a rotor structure for a small motor in which a permanent magnet is fixed to a part of the outer circumference of a yoke fixed to a rotor shaft, the part of the yoke to which the permanent magnet is not fixed. A rotor structure for a small motor, characterized in that the outer diameter of the rotor is smaller than the outer diameter of a portion to which the permanent magnet is fixed .
【図面の簡単な説明】
第１図、第２図および第３図は、従来のＰＭ型
ステツピングモーターの概略断面図。第４図は、
本考案の一例を示すＰＭ型ステツピングモーター
の概略断面図。
１…ローター軸、２…継鉄、３，４…永久磁石
、５…ステーター、６…固定コイル、７…軸受。BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1, 2, and 3 are schematic cross-sectional views of a conventional PM stepping motor. Figure 4 shows
FIG. 1 is a schematic cross-sectional view of a PM stepping motor showing an example of the present invention. 1... Rotor shaft, 2... Yoke, 3, 4... Permanent magnet, 5... Stator, 6... Fixed coil, 7... Bearing.
Claims (1)
その中心にある永久磁石と継鉄からなるローター
が回転するステツピングモーターにおいて、該継
鉄が前記永久磁石と接する部分以外を外ぐりした
形状であることを特徴とするＰＭ型ステツピング
モーターのローター構造。 It has a fixed coil and an excitation stator on the outer periphery,
A PM type stepping motor rotor in which a rotor consisting of a permanent magnet and a yoke rotates at its center, wherein the yoke has a hollowed-out shape except for the part where it contacts the permanent magnet. structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6164288U JPS63182674U (en) | 1988-05-12 | 1988-05-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6164288U JPS63182674U (en) | 1988-05-12 | 1988-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63182674U true JPS63182674U (en) | 1988-11-24 |
Family
ID=30895167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6164288U Pending JPS63182674U (en) | 1988-05-12 | 1988-05-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63182674U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014023291A (en) * | 2012-07-19 | 2014-02-03 | Tamagawa Seiki Co Ltd | Magnet fixation structure and method for rotary machine having low-inertia rotor |
-
1988
- 1988-05-12 JP JP6164288U patent/JPS63182674U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014023291A (en) * | 2012-07-19 | 2014-02-03 | Tamagawa Seiki Co Ltd | Magnet fixation structure and method for rotary machine having low-inertia rotor |