JPH0479265U - - Google Patents
Info
- Publication number
- JPH0479265U JPH0479265U JP12443890U JP12443890U JPH0479265U JP H0479265 U JPH0479265 U JP H0479265U JP 12443890 U JP12443890 U JP 12443890U JP 12443890 U JP12443890 U JP 12443890U JP H0479265 U JPH0479265 U JP H0479265U
- Authority
- JP
- Japan
- Prior art keywords
- rotation
- rotary shaft
- magnet
- internal space
- disposed
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図及び第２図は本考案の第１実施例を示し
、第１図は断面図、第２図は一部を切欠いた要部
の分解斜視図、第３図は本考案の第２実施例を示
す断面図である。
１……ケース、２……含油軸受、３……回転軸
、３Ａ……中空部、４……連結軸（連結部材）、
５……マグネツト、６，２７……検出部、２４，
２４Ａ……通気孔。
1 and 2 show the first embodiment of the present invention, FIG. 1 is a sectional view, FIG. 2 is an exploded perspective view of the main part with a part cut away, and FIG. It is a sectional view showing an example. 1... Case, 2... Oil-impregnated bearing, 3... Rotating shaft, 3A... Hollow part, 4... Connection shaft (connection member),
5... Magnet, 6, 27... Detection section, 24,
24A...Vent hole.
Claims (1)
の回転軸の外端側に回転伝達用の連結部材が挿入
される中空部を形成するとともに、回転軸の内端
側には回転軸と一体的に回転するマグネツトを前
記ケースの内部空間に配設し、この内部空間に前
記マグネツトの回転による磁気的変化を検出して
マグネツトの回転に応じた電気信号を出力する検
出部を配設する回転検出装置において、前記回転
軸に前記中空部を介して前記ケース外部と連通す
る通気孔を設けたことを特徴とする回転検出装置
。 A rotary shaft is supported and held in the case via a bearing, and a hollow part is formed at the outer end of the rotary shaft into which a coupling member for transmitting rotation is inserted, and a hollow part is formed on the inner end of the rotary shaft that is integrated with the rotary shaft. A rotation device in which a magnet that rotates symmetrically is disposed in an internal space of the case, and a detection unit is disposed in the internal space to detect magnetic changes caused by the rotation of the magnet and output an electric signal in accordance with the rotation of the magnet. A rotation detection device characterized in that the rotation shaft is provided with a ventilation hole that communicates with the outside of the case via the hollow portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12443890U JPH0479265U (en) | 1990-11-26 | 1990-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12443890U JPH0479265U (en) | 1990-11-26 | 1990-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0479265U true JPH0479265U (en) | 1992-07-10 |
Family
ID=31872090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12443890U Pending JPH0479265U (en) | 1990-11-26 | 1990-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0479265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0592735U (en) * | 1992-05-22 | 1993-12-17 | 矢崎総業株式会社 | Rotation detector |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5546221B2 (en) * | 1978-02-02 | 1980-11-21 |
-
1990
- 1990-11-26 JP JP12443890U patent/JPH0479265U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5546221B2 (en) * | 1978-02-02 | 1980-11-21 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0592735U (en) * | 1992-05-22 | 1993-12-17 | 矢崎総業株式会社 | Rotation detector |