JPH027779U - - Google Patents
Info
- Publication number
- JPH027779U JPH027779U JP8294388U JP8294388U JPH027779U JP H027779 U JPH027779 U JP H027779U JP 8294388 U JP8294388 U JP 8294388U JP 8294388 U JP8294388 U JP 8294388U JP H027779 U JPH027779 U JP H027779U
- Authority
- JP
- Japan
- Prior art keywords
- rotor core
- elastic body
- motor shaft
- stator
- housed
- 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
- 230000036316 preload Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Description
第１図は、本考案に係るステツピングモーター
シヤフトの予圧機構を示す断面図。第２図は従来
例のステツピングモーターシヤフトの予圧機構を
示す断面図。第３図Ａ，Ｂはそれぞれ第２図の板
ばねの変位に起因する分力の発生状態を示す略線
説明図。第４図は別の従来例の予圧機構を示す断
面図。第５図は第４図に採用した板ばねの平面図
。
２……モーターシヤフト、３……本体、４……
支持フレーム、６……軸受、８……軸受、１０…
…ロータコア、１２……孔、１４……球体、２４
……球体、３０……長孔、３２……コイルばね、
３４……押え板。
FIG. 1 is a sectional view showing a preload mechanism of a stepping motor shaft according to the present invention. FIG. 2 is a sectional view showing a preload mechanism of a conventional stepping motor shaft. 3A and 3B are schematic diagrams each showing a state in which a component force is generated due to the displacement of the leaf spring in FIG. 2; FIG. 4 is a sectional view showing another conventional preload mechanism. FIG. 5 is a plan view of the leaf spring adopted in FIG. 4. 2...Motor shaft, 3...Main body, 4...
Support frame, 6... Bearing, 8... Bearing, 10...
... Rotor core, 12 ... Hole, 14 ... Sphere, 24
... Sphere, 30 ... Long hole, 32 ... Coil spring,
34...Press plate.
Claims (1)
ヤフトの一側外周にロータコアを装着し、前記ロ
ータコアをステータ内に収納し、モーターシヤフ
トの前記一側端部にスラスト方向の長孔を穿設し
、この長孔に弾性体を収納し、前記ロータコアを
収容するステータに架設した押え板に点接触する
部材を、前記弾性体と押え板との間に介装してな
るステツピングモータの予圧機構。 ２ 前記弾性体にコイルばねを、押え板に点接触
する部材に球体をそれぞれ採用した請求項１記載
のステツピングモータの予圧機構。[Claims for Utility Model Registration] 1. A rotor core is attached to the outer periphery of one side of a motor shaft rotatably supported on a support frame, the rotor core is housed in a stator, and a thrust direction is attached to the end of the one side of the motor shaft. A long hole is bored, an elastic body is housed in the long hole, and a member is interposed between the elastic body and the press plate to make point contact with a presser plate installed on a stator that accommodates the rotor core. A stepping motor preload mechanism. 2. A preload mechanism for a stepping motor according to claim 1, wherein a coil spring is used as the elastic body, and a spherical body is used as the member that makes point contact with the presser plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8294388U JPH027779U (en) | 1988-06-24 | 1988-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8294388U JPH027779U (en) | 1988-06-24 | 1988-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH027779U true JPH027779U (en) | 1990-01-18 |
Family
ID=31307678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8294388U Pending JPH027779U (en) | 1988-06-24 | 1988-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH027779U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007192137A (en) * | 2006-01-19 | 2007-08-02 | Sanden Corp | Reciprocating fluid machine |
| JP2010081766A (en) * | 2008-09-29 | 2010-04-08 | Nidec Sankyo Corp | Stepping motor |
| JP2016041946A (en) * | 2014-08-15 | 2016-03-31 | オイレス工業株式会社 | Roll device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5318511B2 (en) * | 1974-08-26 | 1978-06-15 | ||
| JPS62203528A (en) * | 1986-02-28 | 1987-09-08 | Mitsubishi Heavy Ind Ltd | Step motor actuator |
-
1988
- 1988-06-24 JP JP8294388U patent/JPH027779U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5318511B2 (en) * | 1974-08-26 | 1978-06-15 | ||
| JPS62203528A (en) * | 1986-02-28 | 1987-09-08 | Mitsubishi Heavy Ind Ltd | Step motor actuator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007192137A (en) * | 2006-01-19 | 2007-08-02 | Sanden Corp | Reciprocating fluid machine |
| JP2010081766A (en) * | 2008-09-29 | 2010-04-08 | Nidec Sankyo Corp | Stepping motor |
| JP2016041946A (en) * | 2014-08-15 | 2016-03-31 | オイレス工業株式会社 | Roll device |