JPH0432074U - - Google Patents
Info
- Publication number
- JPH0432074U JPH0432074U JP7452090U JP7452090U JPH0432074U JP H0432074 U JPH0432074 U JP H0432074U JP 7452090 U JP7452090 U JP 7452090U JP 7452090 U JP7452090 U JP 7452090U JP H0432074 U JPH0432074 U JP H0432074U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- housing
- tip
- rotating shaft
- face
- 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
- 239000000696 magnetic material Substances 0.000 claims 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案の一実施例を示す縦断面図、第
２図は要部の縦断面図、第３図は吸引板の取付け
状態を示す平面図であり、第４図は従来例の第１
図相当図である。
２１はボデイ、２２は貫通孔、２３は軸受、２
４は回転軸、２４ａは鍔部、２６は永久磁石、２
７は当接部（先端部）、３０はハウジング、３２
は磁気抵抗素子（磁気感応素子）、３３は吸引板
、３３ａはストツパ部を示す。
Fig. 1 is a longitudinal cross-sectional view showing one embodiment of the present invention, Fig. 2 is a longitudinal cross-sectional view of the main part, Fig. 3 is a plan view showing the attachment state of the suction plate, and Fig. 4 is a conventional example. 1st
It is a figure equivalent figure. 21 is a body, 22 is a through hole, 23 is a bearing, 2
4 is a rotating shaft, 24a is a flange, 26 is a permanent magnet, 2
7 is a contact part (tip part), 30 is a housing, 32
Reference numeral 33 indicates a magnetoresistive element (magnetic sensitive element), a suction plate 33, and a stopper portion 33a.
Claims (1)
回転軸の先端部に固定され端面部に磁極が形成さ
れた永久磁石と、前記ボデイに取付けられたハウ
ジングと、このハウジングに前記永久磁石の端面
部と間隔を存して取付けられた磁気感応素子と、
前記ハウジングに前記永久磁石の端面部に対向し
て取付けられた磁性材料からなる吸引板とを具備
してなり、前記吸引板に対する永久磁石の磁気的
な吸引力により前記回転軸の先端部を前記ハウジ
ングに当接させるようにしたことを特徴とする回
転検出器。 a rotating shaft rotatably supported by a body; a permanent magnet fixed to the tip of the rotating shaft and having a magnetic pole formed on the end surface; a housing attached to the body; a magnetically sensitive element installed with a space between the parts;
The housing is provided with an attraction plate made of a magnetic material that is attached to face the end face of the permanent magnet, and the tip of the rotary shaft is moved by the magnetic attraction force of the permanent magnet to the attraction plate. A rotation detector characterized by being brought into contact with a housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7452090U JPH0432074U (en) | 1990-07-14 | 1990-07-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7452090U JPH0432074U (en) | 1990-07-14 | 1990-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0432074U true JPH0432074U (en) | 1992-03-16 |
Family
ID=31614283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7452090U Pending JPH0432074U (en) | 1990-07-14 | 1990-07-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0432074U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS625267B2 (en) * | 1980-10-09 | 1987-02-04 | Toyo Seisakusho Kk |
-
1990
- 1990-07-14 JP JP7452090U patent/JPH0432074U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS625267B2 (en) * | 1980-10-09 | 1987-02-04 | Toyo Seisakusho Kk |