JPH0486083U - - Google Patents
Info
- Publication number
- JPH0486083U JPH0486083U JP12552190U JP12552190U JPH0486083U JP H0486083 U JPH0486083 U JP H0486083U JP 12552190 U JP12552190 U JP 12552190U JP 12552190 U JP12552190 U JP 12552190U JP H0486083 U JPH0486083 U JP H0486083U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- spring
- cylindrical member
- facing
- rotating shaft
- 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
- 230000005405 multipole Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Motor Or Generator Frames (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
本考案の一実施例の動作を説明するための図、第
３図は従来装置の一例の断面図、第４図及び第５
図は従来装置の一例の動作を説明するための図で
ある。
１……回転子、４ａ，４ｂ……板ばね、５……
軸、６ｂ……ブツシユ、７……軸受。
Fig. 1 is a sectional view of an embodiment of the present invention, Fig. 2 is a diagram for explaining the operation of an embodiment of the invention, Fig. 3 is a sectional view of an example of a conventional device, Figs. 5
The figure is a diagram for explaining the operation of an example of a conventional device. 1... Rotor, 4a, 4b... Leaf spring, 5...
Shaft, 6b...Button, 7...Bearing.
Claims (1)
を該回転子の外周に対向させて配設した固定子と
からなるＰＭ形ステツプモータにおいて、 前記回転子の回転軸中央付近に該回転軸の軸方
向位置規制用円筒状部材を嵌入固着して設け、 該円筒状部材と前記回転子の間に軸受けを回転
自在に挿入して設け、 該軸受けの前記回転子に対向する面に第１のば
ね状部材を、該軸受けの前記円筒状部材に対向す
る面に第２のばね状部材を夫々配設し、 前記第１及び第２のばね状部材夫々のばね力が
前記回転子に相反する向きに作用し、前記回転子
の回転軸方向の振動を抑えるよう構成したＰＭ形
ステツプモータ。[Claims for Utility Model Registration] A PM type step motor comprising a multi-pole magnetized rotor on the outer periphery and a stator in which a plurality of yokes are arranged facing the outer periphery of the rotor, wherein the rotor a cylindrical member for regulating the axial position of the rotating shaft is fitted and fixed near the center of the rotating shaft; a bearing is rotatably inserted between the cylindrical member and the rotor; A first spring-like member is disposed on a surface facing the rotor, and a second spring-like member is disposed on a surface of the bearing facing the cylindrical member, and each of the first and second spring-like members A PM type step motor configured such that spring forces act on the rotor in opposite directions to suppress vibrations of the rotor in the direction of the rotation axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12552190U JPH0486083U (en) | 1990-11-28 | 1990-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12552190U JPH0486083U (en) | 1990-11-28 | 1990-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0486083U true JPH0486083U (en) | 1992-07-27 |
Family
ID=31873116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12552190U Pending JPH0486083U (en) | 1990-11-28 | 1990-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0486083U (en) |
-
1990
- 1990-11-28 JP JP12552190U patent/JPH0486083U/ja active Pending
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