JPS6158876U - - Google Patents
Info
- Publication number
- JPS6158876U JPS6158876U JP14185684U JP14185684U JPS6158876U JP S6158876 U JPS6158876 U JP S6158876U JP 14185684 U JP14185684 U JP 14185684U JP 14185684 U JP14185684 U JP 14185684U JP S6158876 U JPS6158876 U JP S6158876U
- Authority
- JP
- Japan
- Prior art keywords
- linear motor
- bearing
- slide bearing
- stator
- elastic member
- 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
- Linear Motors (AREA)
Description
第１図は本考案の一実施例を示すリニアモータ
の縦断面図、第２図、第３図、第４図は説明用断
面図、第５図はクリアランスと温度の関係を示す
グラフ、第６図は従来のリニアモータの縦断面図
、第７図ＡおよびＢは第６図のクリアランス変化
を示す断面図、第８図は従来のリニアモータのク
リアランスと温度の関係を示すグラフである。
１……固定子、１０……ハウジング、１１……
磁極歯、１２……ガイド軸、２……移動子、３…
…軸受ブツシユ、３１……凹溝、４……弾性部材
、４１……Ｏリング、５……すべり軸受。
Fig. 1 is a longitudinal cross-sectional view of a linear motor showing an embodiment of the present invention, Figs. 2, 3, and 4 are explanatory cross-sectional views, and Fig. 5 is a graph showing the relationship between clearance and temperature. 6 is a longitudinal sectional view of a conventional linear motor, FIGS. 7A and 7B are sectional views showing changes in the clearance shown in FIG. 6, and FIG. 8 is a graph showing the relationship between clearance and temperature of the conventional linear motor. 1... Stator, 10... Housing, 11...
Magnetic pole tooth, 12... Guide shaft, 2... Mover, 3...
... Bearing bush, 31 ... Concave groove, 4 ... Elastic member, 41 ... O-ring, 5 ... Sliding bearing.
Claims (1)
にガイド軸を備えた固定子と、前記ガイド軸にす
べり軸受を介して摺動可能に支持せられ磁界を発
生する移動子とからなるリニアモータにおいて、
前記すべり軸受と移動子に嵌着された軸受ブツシ
ユとの間に、すべり軸受の熱膨脹を吸収する弾性
部材を介装したことを特徴とする円筒型リニアモ
ータ。 (2) 弾性部材はすべり軸受の全長間に等間隔に
配設したＯリングである実用新案登録請求の範囲
第１項記載の円筒型リニアモータ。 (3) 軸受ブツシユには、Ｏリングの外周を係合
した凹溝が形成されている実用新案登録請求の範
囲第２項記載の円筒型リニアモータ。[Claims for Utility Model Registration] (1) A stator having magnetic pole teeth on the inner circumferential surface of a cylindrical housing and a guide shaft at the center, and a stator that is slidably supported by the guide shaft via a slide bearing and has a magnetic field. In a linear motor consisting of a mover that generates
A cylindrical linear motor characterized in that an elastic member for absorbing thermal expansion of the slide bearing is interposed between the slide bearing and a bearing bush fitted to the slider. (2) The cylindrical linear motor according to claim 1, wherein the elastic member is an O-ring arranged at regular intervals along the entire length of the sliding bearing. (3) The cylindrical linear motor according to claim 2, wherein the bearing bush has a groove that engages the outer periphery of the O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14185684U JPS6158876U (en) | 1984-09-18 | 1984-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14185684U JPS6158876U (en) | 1984-09-18 | 1984-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6158876U true JPS6158876U (en) | 1986-04-21 |
Family
ID=30700194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14185684U Pending JPS6158876U (en) | 1984-09-18 | 1984-09-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6158876U (en) |
-
1984
- 1984-09-18 JP JP14185684U patent/JPS6158876U/ja active Pending
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