JPS6044478U - linear actuator - Google Patents
linear actuatorInfo
- Publication number
- JPS6044478U JPS6044478U JP13644983U JP13644983U JPS6044478U JP S6044478 U JPS6044478 U JP S6044478U JP 13644983 U JP13644983 U JP 13644983U JP 13644983 U JP13644983 U JP 13644983U JP S6044478 U JPS6044478 U JP S6044478U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic circuit
- permanent magnet
- linear actuator
- drive coil
- speed detection
- 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
- Moving Of Head For Track Selection And Changing (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のリニアアクチュエータの例を示す平面図
、第２図はステッピングモータ式アクチュエータの例を
示す平面図、第３図は本考案の一実施例を示す一部断面
平面図、第４図は同上実施例の側面図、第５図は同上実
施例の要部を示す分解斜面図、第６図は本考案に用いる
ことができる永久磁石の別の実施態様を示す平面図であ
る。
２３・・・・・・ディスク、２４・・・・・・駆動モー
タ、２５・・・・・・磁気ヘッド、２６・・・・・・ヘ
ッドキャリッジ、２７・・・・・・リニアアクチュエー
タ、３６・・・・・・ヨーク、３７．３８・・・・・・
永久磁石、３９・・・・・・駆動コイル、４４・・・・
・・速度検出部、４６・・・・・・速度検出部ヨーク、
４７・・・・・・速度検出部永久磁石、４８・・・・・
・速度検出コイル。
最σ町
′１
ｓｙ−！ｔ ４ｙFIG. 1 is a plan view showing an example of a conventional linear actuator, FIG. 2 is a plan view showing an example of a stepping motor type actuator, FIG. 3 is a partially sectional plan view showing an example of the present invention, and FIG. The figure is a side view of the same embodiment, FIG. 5 is an exploded perspective view showing essential parts of the above embodiment, and FIG. 6 is a plan view showing another embodiment of a permanent magnet that can be used in the present invention. 23... Disk, 24... Drive motor, 25... Magnetic head, 26... Head carriage, 27... Linear actuator, 36・・・・・・York, 37.38・・・・・・
Permanent magnet, 39... Drive coil, 44...
...Speed detection section, 46...Speed detection section yoke,
47...Speed detection part permanent magnet, 48...
・Speed detection coil. Most σ town'1 sy-! t 4y
Claims (3)
磁束発生源とした第１の磁気回路を設け、この磁気回路
の間隙内に駆動コイルを置き、この駆動コイルに通電す
る電流の方向に対応して推力を得るようにしたリニアア
クチュエータにおいて、前記第１の永久磁石の側面に、
第２の永久磁石とこの永久磁石を内設したヨークとから
なる第２の磁気回路を設け、この第２の磁気回路の隙間
内に前記駆動コイルに一体的に取りつけた速度検出コイ
ルを配置してなるリニアアクチュエータ。(1) A first magnetic circuit is provided with a first flat permanent magnet magnetized in the thickness direction as a magnetic flux generation source, a drive coil is placed in the gap of this magnetic circuit, and a current is applied to the drive coil. In the linear actuator which obtains a thrust corresponding to the direction of, on the side surface of the first permanent magnet,
A second magnetic circuit including a second permanent magnet and a yoke in which the permanent magnet is installed is provided, and a speed detection coil integrally attached to the drive coil is disposed within a gap of the second magnetic circuit. A linear actuator.
略直角になるように取りつけてなる実用新案登録請求の
範囲第１項記載のリニアアクチュエータ。(2) The linear actuator according to claim 1, wherein the speed detection coil is mounted so that its surface is substantially perpendicular to the drive coil.
第２の磁気回路の少なくとも一部を収納する凹所を有し
てなる実用新案登録請求の範囲第１項記載のリニアアク
チュエータ。(3) The linear motor according to claim 1, wherein the first permanent magnet of the first magnetic circuit has a recess on its side surface for accommodating at least a part of the second magnetic circuit. actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13644983U JPS6044478U (en) | 1983-09-02 | 1983-09-02 | linear actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13644983U JPS6044478U (en) | 1983-09-02 | 1983-09-02 | linear actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6044478U true JPS6044478U (en) | 1985-03-28 |
Family
ID=30306805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13644983U Pending JPS6044478U (en) | 1983-09-02 | 1983-09-02 | linear actuator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6044478U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6412480U (en) * | 1987-07-09 | 1989-01-23 |
-
1983
- 1983-09-02 JP JP13644983U patent/JPS6044478U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6412480U (en) * | 1987-07-09 | 1989-01-23 |
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