JPH01261580A - Motor-operated valve - Google Patents
Motor-operated valveInfo
- Publication number
- JPH01261580A JPH01261580A JP8870488A JP8870488A JPH01261580A JP H01261580 A JPH01261580 A JP H01261580A JP 8870488 A JP8870488 A JP 8870488A JP 8870488 A JP8870488 A JP 8870488A JP H01261580 A JPH01261580 A JP H01261580A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- drive shaft
- water
- control valve
- electric
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000003566 sealing material Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 abstract 1
- 230000002950 deficient Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、屋外または高湿雰囲気中で使用する防水型の
電動弁に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a waterproof electric valve for use outdoors or in a high humidity atmosphere.
従来の技術
従来この種の電動弁には第３図に示すようなものがあっ
た。−流入ボート１と流出ボート２があり、モータ３を
回転させることにより連結軸４を介してボールパルプ５
を回転させ、ボールパルプ５の開口部に対して、２つの
ボート１，２の両側からテフロン製の弁座６を挾むよう
に締付結合させることで気密性を保ち、ボールパルプ５
の開口面積を変化させて、流量制御する構成であり、弁
框体７と連結軸４の嵌合部にシール材８を設け、モータ
３にはモータカバー９により防滴構造となっている。2. Description of the Related Art Conventionally, there has been a motor-operated valve of this type as shown in FIG. - There is an inflow boat 1 and an outflow boat 2, and by rotating the motor 3, the ball pulp 5 is
The Teflon valve seat 6 is sandwiched between the two boats 1 and 2 and tightened to the opening of the ball pulp 5 to maintain airtightness.
A sealing material 8 is provided at the fitting portion of the valve frame 7 and the connecting shaft 4, and the motor 3 has a drip-proof structure with a motor cover 9.
発明が解決しようとする課題
しかしながら上記のような従来の構成では次のような問
題点を有していた。Problems to be Solved by the Invention However, the conventional configuration as described above had the following problems.
（１）シール材８によシ、連結軸４の部分からの漏水の
シールをする構成であるが万一シール不良が生じた場合
、漏水がモータカバー９内に入り、モータ３の故障、或
いは漏電が生じる等の危険性をはらんでいる。(1) Although the sealing material 8 is designed to seal water leakage from the connection shaft 4, in the unlikely event that a seal failure occurs, water leakage may enter the motor cover 9, resulting in motor 3 failure or There is a risk of electrical leakage, etc.
（２）また、連結軸４からの漏水を生じたことを検知す
る手段はなく目視するのみで、設置箇所が限定される。(2) Furthermore, there is no means for detecting water leakage from the connecting shaft 4, and only visual inspection is required, and the installation locations are limited.
本発明はかかる従来の問題点を解消するもので、温水に
も使え、電気的な安全性を向上させた高湿雰囲気中でも
使用可能な電動弁を提供することを目的とする。The present invention is intended to solve these conventional problems, and aims to provide an electric valve that can be used with hot water, has improved electrical safety, and can be used even in a high-humidity atmosphere.
課題を解決するための手段
上記問題点を解決するために、本発明の電動弁は、弁框
体と、前記弁框体内に、水または温水の流量を調整する
制御弁と、前記制御弁を駆動する駆動軸と、前記駆動軸
に連結して制御弁を駆動する電気的駆動装置と、前記電
気的駆動装置を密閉する電装ケースと、前記駆動軸に設
け、弁框体外部への漏水を防ぐシール材と、前記弁框体
の駆動軸との嵌合部のシール材後方に設けた孔部とから
成っている。Means for Solving the Problems In order to solve the above problems, the electric valve of the present invention includes a valve frame, a control valve for adjusting the flow rate of water or hot water, and a control valve disposed in the valve frame. a drive shaft to be driven; an electric drive device connected to the drive shaft to drive the control valve; an electrical equipment case that seals the electric drive device; It consists of a sealing material that prevents the valve casing, and a hole provided at the rear of the sealing material at the fitting portion of the valve casing with the drive shaft.
作 用
本発明は上記した構成によって、通常、駆動軸部からの
水シールは駆動軸に設けたシール材でシールしているが
、万一シール材が劣化し漏水を生じても、弁框体に設け
た孔部から漏水を逃がす構成で、電装ケース内には万一
の場合でも水が侵入しない密閉状態を保つものである。Effects The present invention has the above-described configuration, and normally the water from the drive shaft is sealed with a sealing material provided on the drive shaft, but even if the sealing material deteriorates and water leaks, the valve frame will be closed. The structure allows water to escape through holes provided in the electrical equipment case, and even in the unlikely event that water leaks out, the electrical equipment case remains sealed to prevent water from entering.
実施例 本発明の第１の実施例を添付図面に基づいて説明する。Example A first embodiment of the present invention will be described based on the accompanying drawings.
第１図において、弁框体１０と、前記弁框体１０内に、
水または温水の流量調節を行なう制御弁１１があり、前
記制御弁１１は、その対応する弁座１２に対して、スプ
リング１３により、流路を閉成する方向へ付勢されてい
る。駆動軸１４により前記制御弁１１は開成するが、前
記駆動軸１４は電気的駆動装置１５とカム１６を兼ねる
連結継手１７を介して連結され、電気的駆動装置１５の
回転運動が駆動軸１４を回転させ、弁框体１０との嵌合
部に設けたネジ機構１８でスラスト運動に変換し、制御
弁１１をリフトさせ、弁として開閉させる構成である。In FIG. 1, a valve body 10 and inside the valve body 10,
There is a control valve 11 for adjusting the flow rate of water or hot water, and the control valve 11 is biased against its corresponding valve seat 12 by a spring 13 in the direction of closing the flow path. The control valve 11 is opened by the drive shaft 14, and the drive shaft 14 is connected to an electric drive device 15 via a coupling joint 17 that also serves as a cam 16, so that the rotational movement of the electric drive device 15 opens the drive shaft 14. The control valve 11 is rotated and converted into a thrust motion by a screw mechanism 18 provided at the fitting part with the valve frame 10, thereby lifting the control valve 11 and opening and closing the valve.
前記駆動軸１４と弁框体１０の嵌合部にシール材１９を
設け、その後方、ネジ機構１８との中間部の弁框体１０
に小孔２０を設け、万一シール材１９が劣化しシール不
良の状況下には、この小孔から漏水が排水される。A sealing material 19 is provided at the fitting portion of the drive shaft 14 and the valve frame 10, and the valve frame 10 is provided at the intermediate portion between the drive shaft 14 and the screw mechanism 18.
A small hole 20 is provided in the hole 20, and in the event that the sealing material 19 deteriorates and the seal is defective, leaked water will be drained from this small hole.
前記カム１６に対して、マイクロスイッチ２１を設けて
おり、このカム１６とマイクロスイッチ２１で制御弁１
１の全開位置、全閉位置を検出している。前記電気的駆
動装置１５とマイクロスイッチ２１等で構成される電装
部は電装ケース２２で密閉される構成をとっている。A microswitch 21 is provided for the cam 16, and the cam 16 and the microswitch 21 control the control valve 1.
1 fully open position and fully closed position are detected. The electrical equipment section comprising the electrical drive device 15, the microswitch 21, etc. is configured to be sealed in an electrical equipment case 22.
以上の構成により、電装部は電装ケース２２で覆う構成
のため、防水、防湿構成となり、屋外は勿論、湿気の多
い場所での使用が可能で、万一、駆動軸１４に設けたシ
ール材が劣化し、漏水を生じても、小孔２０によシ、漏
水を外部に逃がし、電装ケース２２内への侵入を防ぐも
ので、安全で高い信頼性を有するものである。With the above configuration, the electrical component is covered with the electrical component case 22, so it has a waterproof and moisture-proof structure, and can be used outdoors as well as in humid places. Even if water leaks due to deterioration, the small holes 20 allow the water to escape to the outside and prevent it from entering the electrical equipment case 22, making it safe and highly reliable.
本発明の第２の実施例を第２図に示す。第２図において
、駆動軸１４には２つのシール材（第１のシール材２３
、第２のシール材２４）を設け、前記２つのシール材２
３．２４の中間部に対応する弁框体１０の嵌合部に漏水
室２５を設け、前記漏水室２５から小孔２６が外部に貫
通し、更にその先端部に漏水検知器２７を設けている。A second embodiment of the invention is shown in FIG. In FIG. 2, the drive shaft 14 has two sealing materials (first sealing material 23
, a second sealing material 24) is provided, and the two sealing materials 24) are provided.
3. A water leakage chamber 25 is provided at the fitting part of the valve frame 10 corresponding to the middle part of 24, a small hole 26 penetrates to the outside from the water leakage chamber 25, and a water leakage detector 27 is further provided at the tip thereof. There is.
前記漏水検知器２７の信号は、電装ケース２２内を経由
して外部へ出力している。The signal of the water leakage detector 27 is outputted to the outside via the inside of the electrical equipment case 22.
以上の構成により、駆動軸１４には、２つのシール材２
３．２４を設けているため、駆動軸１４部からの漏水は
２重安全の構成となり信頼性が向上すると共に、万一、
第１のシール材２３が劣化によりシール不良になれば、
漏水室２５内に侵入した水は、小孔を通じて漏水検知器
２７内に入り検知器２７が反応し、外部へ逸早く漏水予
告することができ、メンテナンスのタイミングを明確に
する便利なものである。With the above configuration, the drive shaft 14 has two sealing materials 2
3.24, there is a double safety structure against water leakage from the drive shaft 14, which improves reliability and also prevents water from leaking from the drive shaft 14.
If the first sealing material 23 becomes defective due to deterioration,
The water that has entered the water leakage chamber 25 enters the water leakage detector 27 through the small hole, and the detector 27 reacts, allowing for early warning of water leakage to the outside, which is convenient for clarifying the timing of maintenance.
発明の効果
以上のように本発明の電動弁によれば次の効果が得られ
る。Effects of the Invention As described above, the electric valve of the present invention provides the following effects.
（１）制御弁を駆動する電気的駆動装置は、電装ケース
によシ完全密閉で構成するため、屋外は勿論、湿気の高
い雰囲気中でも使用可能で、使用環境が広がっている。(1) The electric drive device that drives the control valve is completely sealed in the electrical case, so it can be used not only outdoors but also in a humid atmosphere, expanding the range of environments in which it can be used.
（２）駆動軸に設けたシール材が万一劣化し、シール不
良となっても、孔部から漏水は排出され、電装ケース内
へ水が侵入することはなく、安全で信頼性が高い。(2) Even if the sealing material provided on the drive shaft deteriorates and the seal becomes defective, leakage water will be discharged from the hole and water will not enter the electrical equipment case, making it safe and reliable.
第１図は本発明の第１の実施例における電動弁の断面図
、第２図は本発明の他の実施例を示す断面図、第３図は
従来の電動弁を示す断面図である。
１０・・・・・・弁框体、１１・・・・・・制御弁、１
４・・・・・・駆動軸、１５・・・・・・電気的駆動装
置、１９・・・・・・シール材、２０・・・・・・孔部
、２２・・・・・・電装ケース。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名Ｉ０
− 弁（巨体
止Ｉ−間開弁
＋４−＃動軸
１５−・・を気的駈勧装置
１９− シール材
２０−ル 耶
こ−電装デース
第１図FIG. 1 is a sectional view of a motor operated valve according to a first embodiment of the present invention, FIG. 2 is a sectional view showing another embodiment of the invention, and FIG. 3 is a sectional view showing a conventional motor operated valve. 10... Valve frame, 11... Control valve, 1
4... Drive shaft, 15... Electric drive device, 19... Sealing material, 20... Hole, 22... Electrical equipment Case. Name of agent: Patent attorney Toshio Nakao and one other person I0
- Valve (Giant stop I- open valve + 4-
Claims (2)
を調整する制御弁と、前記制御弁を駆動する駆動軸と、
前記駆動軸に連結して制御弁を駆動する電気的駆動装置
と、前記電気的駆動装置を密閉する電装ケースと、前記
駆動軸に設け、弁框体外部への漏水を防ぐシール材と、
前記弁框体の駆動軸との嵌合部のシール材後方に設けた
孔部とからなる電動弁。(1) a valve frame, a control valve that adjusts the flow rate of water or hot water within the valve frame, and a drive shaft that drives the control valve;
an electric drive device connected to the drive shaft to drive the control valve; an electrical equipment case that seals the electric drive device; a sealing material provided on the drive shaft to prevent water from leaking to the outside of the valve frame;
An electrically operated valve comprising a hole provided at the rear of a sealing material at a fitting portion of the valve frame with the drive shaft.
知器を設けた特許請求の範囲第１項記載の電動弁。(2) The electric valve according to claim 1, further comprising a water leakage detector for detecting water leakage from the drive shaft to the outside of the valve frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63088704A JP2679100B2 (en) | 1988-04-11 | 1988-04-11 | Motorized valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63088704A JP2679100B2 (en) | 1988-04-11 | 1988-04-11 | Motorized valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01261580A true JPH01261580A (en) | 1989-10-18 |
| JP2679100B2 JP2679100B2 (en) | 1997-11-19 |
Family
ID=13950268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63088704A Expired - Lifetime JP2679100B2 (en) | 1988-04-11 | 1988-04-11 | Motorized valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2679100B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6460567B1 (en) | 1999-11-24 | 2002-10-08 | Hansen Technologies Corpporation | Sealed motor driven valve |
| JP2005325964A (en) * | 2004-05-17 | 2005-11-24 | Oshima Shipbuilding Co Ltd | Valve opening/closing device |
| JP2009257540A (en) * | 2008-04-18 | 2009-11-05 | Inax Corp | Water supply control valve |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5852377U (en) * | 1981-10-06 | 1983-04-09 | 松下電器産業株式会社 | electric valve |
| JPS59133882A (en) * | 1983-01-20 | 1984-08-01 | Matsushita Electric Ind Co Ltd | Motor operated valve |
-
1988
- 1988-04-11 JP JP63088704A patent/JP2679100B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5852377U (en) * | 1981-10-06 | 1983-04-09 | 松下電器産業株式会社 | electric valve |
| JPS59133882A (en) * | 1983-01-20 | 1984-08-01 | Matsushita Electric Ind Co Ltd | Motor operated valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6460567B1 (en) | 1999-11-24 | 2002-10-08 | Hansen Technologies Corpporation | Sealed motor driven valve |
| JP2005325964A (en) * | 2004-05-17 | 2005-11-24 | Oshima Shipbuilding Co Ltd | Valve opening/closing device |
| JP2009257540A (en) * | 2008-04-18 | 2009-11-05 | Inax Corp | Water supply control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2679100B2 (en) | 1997-11-19 |
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