JPH0238581U - - Google Patents
Info
- Publication number
- JPH0238581U JPH0238581U JP11752488U JP11752488U JPH0238581U JP H0238581 U JPH0238581 U JP H0238581U JP 11752488 U JP11752488 U JP 11752488U JP 11752488 U JP11752488 U JP 11752488U JP H0238581 U JPH0238581 U JP H0238581U
- Authority
- JP
- Japan
- Prior art keywords
- mounting member
- detection mechanism
- permanent magnet
- reed switch
- switching valve
- 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 6
- 235000014676 Phragmites communis Nutrition 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Description
第１図は本考案による位置検出機構を備えた切
換弁の一実施例の断面図、第２図は第１図の線
―に沿つてみた図、第３図は位置検出機構の電
気回路を示す図、第４図は動作説明図である。
１：切換弁、２：本体、２１：弁室、２２，２
３，２４：ポート、３：弁体、６：位置検出機構
、６１：ケース、６７：リードスイツチ、７１：
永久磁石、７２：取付け部材、７５：誘磁部材、
８：駆動機構。
Fig. 1 is a sectional view of an embodiment of a switching valve equipped with a position detection mechanism according to the present invention, Fig. 2 is a view taken along the line - in Fig. 1, and Fig. 3 shows an electric circuit of the position detection mechanism. The figure shown in FIG. 4 is an explanatory diagram of the operation. 1: Switching valve, 2: Main body, 21: Valve chamber, 22, 2
3, 24: Port, 3: Valve body, 6: Position detection mechanism, 61: Case, 67: Reed switch, 71:
Permanent magnet, 72: Mounting member, 75: Inductive member,
8: Drive mechanism.
Claims (1)
動可能に設けられていて回動により該ポート間の
連通を切り換える弁体とを備えた切換弁用の位置
検出機構において、該弁体と共に回転する軸に取
付け部材を連結し、該取付け部材の周辺部には永
久磁石及び該永久磁石からの磁力で動作するリー
ドスイツチを該リードスイツチが半径方向外側に
なるようにして隔てて配設し、該取付け部材には
該永久磁石とリードスイツチとの間に入り得る誘
磁部材を取り付けたことを特徴とする切換弁用の
位置検出機構。 ２ 該取付け部材が該軸に関して回転方向に所定
の角度自由に回動できる請求項１に記載の切換弁
用の位置検出機構。[Claims for Utility Model Registration] 1. A position for a switching valve that includes a main body having a plurality of ports and a valve body that is rotatably provided within the main body and switches communication between the ports by rotation. In the detection mechanism, a mounting member is connected to a shaft that rotates together with the valve body, and a permanent magnet and a reed switch operated by the magnetic force from the permanent magnet are installed around the mounting member, with the reed switch radially outward. 1. A position detection mechanism for a switching valve, characterized in that the mounting member is provided with a magnetic induction member that can be inserted between the permanent magnet and the reed switch. 2. The position detection mechanism for a switching valve according to claim 1, wherein the mounting member is freely rotatable at a predetermined angle in the rotational direction with respect to the shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11752488U JPH0238581U (en) | 1988-09-07 | 1988-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11752488U JPH0238581U (en) | 1988-09-07 | 1988-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0238581U true JPH0238581U (en) | 1990-03-14 |
Family
ID=31361057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11752488U Pending JPH0238581U (en) | 1988-09-07 | 1988-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0238581U (en) |
-
1988
- 1988-09-07 JP JP11752488U patent/JPH0238581U/ja active Pending
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