JPH0280874A - Control valve device and hot water and water mixer - Google Patents
Control valve device and hot water and water mixerInfo
- Publication number
- JPH0280874A JPH0280874A JP23044088A JP23044088A JPH0280874A JP H0280874 A JPH0280874 A JP H0280874A JP 23044088 A JP23044088 A JP 23044088A JP 23044088 A JP23044088 A JP 23044088A JP H0280874 A JPH0280874 A JP H0280874A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- water
- control valve
- shaft
- hot water
- 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 title claims abstract description 56
- 239000003566 sealing material Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、浴室など高温環境下で使用される電気駆動の
制御弁装置に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an electrically driven control valve device used in high temperature environments such as bathrooms.
従来の技術
従来この種の制御弁装置には、第３図に示すようなもの
があった。（例えば実開昭５５−５９２２３号公報）
第３図において、高温湯を供給する給湯機１と、湯の入
口２と水の入口３と混合湯の出口４を有した弁筺体５の
内部には、湯側弁体６と水側弁体７は軸８に取り付けら
れ、外部に設けた直線運動変換機構９及び歯車１０を介
して、モータ１１により駆動する。2. Description of the Related Art Conventionally, there has been a control valve device of this type as shown in FIG. (For example, Japanese Utility Model Application Publication No. 55-59223) In Fig. 3, a water heater 1 that supplies high-temperature hot water, a valve housing 5 having an inlet 2 for hot water, an inlet 3 for water, and an outlet 4 for mixed hot water are shown inside. The hot water side valve body 6 and the water side valve body 7 are attached to a shaft 8 and are driven by a motor 11 via a linear motion conversion mechanism 9 and a gear 10 provided outside.
混合湯の出口４の近傍には、混合湯温度を検出する混合
湯温検出器１２が設けられ、混合湯温設定器１３で設定
した温度と湯温検出器１２で検出した温度を制温器で比
較し、モータ１１を制御する。また、配管１５を経て端
末には蛇口１６が設けられている。A mixed hot water temperature detector 12 for detecting the mixed hot water temperature is provided near the mixed hot water outlet 4, and the temperature set by the mixed hot water temperature setting device 13 and the temperature detected by the hot water temperature detector 12 are detected by the temperature controller to control the motor 11. Further, a faucet 16 is provided at the terminal via a pipe 15.
そして蛇口１６を開成し、混合湯温設定器１３により混
合湯温を設定すると、制御器１４で混合湯温検出器１２
の値と混合湯温の設定値が信号値として、両者の温度偏
差をなくずようにモータ１１が駆動制御される。Then, when the faucet 16 is opened and the mixed water temperature is set by the mixed water temperature setting device 13, the mixed water temperature detector 12 is set by the controller 14.
The value of and the set value of the mixed hot water temperature are used as signal values, and the motor 11 is driven and controlled so as to eliminate the temperature deviation between the two.
発明が解決しようとする課題
しかしながら」１記のような構成では、次の様な課題を
有していた。Problems to be Solved by the Invention However, the configuration as described in 1 has the following problems.
モータ１１などの電装部の防水構造がなされておらず設
置場所が限られていた。また、弁筐体５と軸８間の経年
的なシール不良に対して、無防備であった。Electrical components such as the motor 11 were not waterproof, and installation locations were limited. In addition, the valve housing 5 and the shaft 8 were not protected against seal failure over time.
本発明はこのような従来の課題を解決するもので、電装
部に水がかかる事がないように防水構造をとり、浴室内
に設置可能な制御弁装置を提供することを目的とする。The present invention has been made to solve these conventional problems, and aims to provide a control valve device that has a waterproof structure to prevent water from splashing on the electrical components and can be installed in a bathroom.
課題を解決するための手段
上記課題を解決するために本発明の制御弁装置は、弁筐
体と、前記弁筺体内に設けた制御弁と、前記制御弁に設
けた弁軸と、前記弁軸を電気的に駆動する制御弁駆動装
置と、この制御弁駆動装置を覆う防水ケースと、弁筐体
内部から弁軸を伝わり前記防水ケース内への漏水の侵入
を遮断する絶縁手段とからなる。Means for Solving the Problems In order to solve the above problems, a control valve device of the present invention includes a valve housing, a control valve provided in the valve housing, a valve stem provided in the control valve, and the valve. It consists of a control valve drive device that electrically drives the shaft, a waterproof case that covers the control valve drive device, and an insulating means that blocks water leakage from inside the valve housing through the valve shaft and into the waterproof case. .
作用
以上の構成により、制御弁駆動装置は、防水ケースと絶
縁手段により浴室内の湿気や水、弁筐体からの漏水や結
露水と完全に隔絶している。Effects With the above configuration, the control valve driving device is completely isolated from moisture and water in the bathroom, leakage from the valve housing, and condensation water by the waterproof case and the insulating means.
実施例
以下本発明の実施例を添付図面に基づいて説明する。第
１図において、浴室１７内において、湯流入路１８と水
流入路１９と、流出路２０を有する弁筐体２１と、前記
弁筐体２１内部に湯と水の流量比率を変化させ適温を得
る混合弁２２を設け、前記混合弁２２は、湯側弁体２３
と水側弁体２４が同一弁軸２５上にあり、前記２つの弁
体２３，２４に対応して、前記湯側弁座２６と水側弁座
２７を弁筐体２１内部に構成している。混合弁駆動装置
２８として、モータ２９を設け、前記弁軸２５とモータ
２９は、連結継手３０で連結され、前記弁軸２５の回転
をスラスト運動に変換するねじ機構３１を弁筐体２１内
の軸受部に設け、モータ２９の回転が、前記弁軸２５の
スラスト運動に変換され、前記弁軸２５上に設けた湯側
弁体２３と水側弁体２４がそれ対応する湯側弁座２６と
水側弁座２７に対して、反比例的な開閉動作を行ない、
湯と水の流量比率を変化させるものである。EXAMPLES Hereinafter, examples of the present invention will be described based on the accompanying drawings. In FIG. 1, in a bathroom 17, there is a valve housing 21 having a hot water inflow path 18, a water inflow path 19, and an outflow path 20, and a valve housing 21 having a hot water inflow path 19, a water inflow path 19, and an outflow path 20. A mixing valve 22 is provided, the mixing valve 22 has a hot water side valve body 23.
and a water side valve body 24 are located on the same valve shaft 25, and the hot water side valve seat 26 and the water side valve seat 27 are configured inside the valve housing 21 corresponding to the two valve bodies 23 and 24. There is. A motor 29 is provided as the mixing valve driving device 28. The valve shaft 25 and the motor 29 are connected by a connecting joint 30, and a screw mechanism 31 that converts the rotation of the valve shaft 25 into a thrust motion is installed inside the valve housing 21. The rotation of the motor 29 is converted into a thrust motion of the valve shaft 25, and the hot water side valve body 23 and the water side valve body 24 provided on the valve shaft 25 are connected to the corresponding hot water side valve seat 26. and perform an inversely proportional opening/closing operation on the water side valve seat 27,
It changes the flow rate ratio of hot water and water.
前記混合弁駆動装置２８は、防水ケース３２に覆われ、
前記連結継手３０と防水ケース３２はシール材３３を介
しており、防水ケース３２内は、浴室１７内の湿気や水
、弁筐体２１からの漏水や結露水と完全に隔絶している
。浴室１７の吐出口３４近傍に、所望する温度を設定す
る設定器３５を設け、前記設定器３５の信号により混合
弁駆動装置２８を介して混合弁２２を制御する制御器３
６とで構成している。The mixing valve driving device 28 is covered with a waterproof case 32,
The connection joint 30 and the waterproof case 32 are connected through a sealing material 33, and the inside of the waterproof case 32 is completely isolated from moisture and water in the bathroom 17, leakage of water from the valve housing 21, and condensed water. A setting device 35 for setting a desired temperature is provided near the discharge port 34 of the bathroom 17, and a controller 3 controls the mixing valve 22 via a mixing valve drive device 28 based on a signal from the setting device 35.
It consists of 6.
以上の構成により、設定器３５で設定した温度に対して
制御器３６は、混合弁駆動装置２８に信号を送り、混合
弁２２を制御し、設定した温度と等しい混合水を得るも
ので、前記混合弁駆動装置２８は、防水ケース３２に覆
われ、混合弁２２の弁軸２５と混合弁駆動装置２８の駆
動軸３７は、連結継手３０で連結しているが、互いに絶
縁されており、連結継手３０を通して水や湿度が防水ケ
ース３２内に侵入することはない。つまり、連結継手３
０が絶縁手段３８として構成している。With the above configuration, the controller 36 sends a signal to the mixing valve driving device 28 in response to the temperature set by the setting device 35, controls the mixing valve 22, and obtains mixed water equal to the set temperature. The mixing valve driving device 28 is covered with a waterproof case 32, and the valve shaft 25 of the mixing valve 22 and the driving shaft 37 of the mixing valve driving device 28 are connected by a connecting joint 30, but are insulated from each other and are not connected. Water and humidity do not enter the waterproof case 32 through the joint 30. In other words, connecting joint 3
0 constitutes the insulating means 38.
第２図に他の実施例を示す。第２図において、弁筐体２
１と弁軸２５間のシールのためにシール手段３９として
二つのＯリング（第１の０リング４０、第２のＯリング
４１）を設け、前記弁筐体２１に弁軸２５と弁筐体２１
外部に連通ずる小孔４２を前記二つのＯリング４０．４
１の間に設けている。また、弁筐体２１に設けた小孔４
２により、弁軸２５に設けた第１の０リング４０が、劣
化によりシール不良が生じても、小孔４２から外部の浴
室１７内に排出することになり、第２の０リング４１が
弁軸２５から防水ケース３２への漏水を遮断することに
なっている。つまり、弁筐体２１に設けた小孔４２と弁
軸２５に設けた二つのＯリング４０．４１が絶縁手段３
８として働き、前記混合弁２２の弁軸と２５混合弁駆動
装置２８の駆動軸３７が直結していても、防水ケース３
２内に水が侵入しない構成となっている。また、弁筺体
２１に設けた小孔４２の先に漏水検知器４３を設け、第
１の○リング４０が劣化していることを知らせ、メンテ
ナンスのタイミングを使用者に告知させる構成となって
いる。FIG. 2 shows another embodiment. In Fig. 2, the valve housing 2
Two O-rings (a first O-ring 40 and a second O-ring 41) are provided as a sealing means 39 for sealing between the valve stem 25 and the valve stem 25 in the valve housing 21. 21
A small hole 42 communicating with the outside is connected to the two O-rings 40.4.
It is set between 1. In addition, a small hole 4 provided in the valve housing 21
2, even if the first O-ring 40 provided on the valve stem 25 has a seal failure due to deterioration, it will be discharged from the small hole 42 into the external bathroom 17, and the second O-ring 41 will close the valve. Water leakage from the shaft 25 to the waterproof case 32 is to be blocked. In other words, the small hole 42 provided in the valve housing 21 and the two O-rings 40 and 41 provided in the valve stem 25 are connected to the insulating means 3.
Even if the valve shaft of the mixing valve 22 and the drive shaft 37 of the mixing valve drive device 25 are directly connected, the waterproof case 3
The structure is designed to prevent water from entering the interior. In addition, a water leakage detector 43 is provided at the end of the small hole 42 provided in the valve housing 21, and is configured to notify the user that the first circle 40 has deteriorated and to notify the user of the timing for maintenance. .
発明の効果
以上のように本発明の湯水混合装置によれば、次の効果
が得られる。Effects of the Invention As described above, according to the hot water mixing device of the present invention, the following effects can be obtained.
（１）制御弁駆動装置などの電装部を防水ケースで覆っ
ているため、浴室など高湿の条件下でも安全に使用でき
る。(1) Since the electrical components such as the control valve drive device are covered with a waterproof case, it can be used safely even under high humidity conditions such as in the bathroom.
（２）制御弁の弁軸と制御弁駆動装置の駆動軸は、絶縁
手段として、連結継手で隔絶されているため、弁筺体内
部から弁軸を伝わって水が侵入することはない。(2) Since the valve shaft of the control valve and the drive shaft of the control valve drive device are separated by a connecting joint as an insulating means, water does not enter from inside the valve casing along the valve shaft.
（３）弁筺体に弁軸を通す穴に設けた小孔と、前記弁軸
には小孔の前後にシール材を設けているため、シール材
が劣化しても弁軸から漏れてくる水は、小孔より弁筺体
外部の浴室へ排出し、防水ケースへ侵入することはない
。(3) A small hole is made in the valve housing for the valve stem to pass through, and a sealing material is provided on the valve stem before and after the small hole, so even if the sealing material deteriorates, water will still leak from the valve stem. is discharged from the small hole into the bathroom outside the valve housing and does not enter the waterproof case.
（４）弁筺体に設けた小孔の先に漏水検知器を設けてい
るため、シール材が劣化していることを知らせ、メンテ
ナンスのタイミングを使用者に告知させることができる
。(4) Since a water leakage detector is provided at the tip of the small hole provided in the valve housing, it is possible to notify the user that the sealing material has deteriorated and to notify the user of the timing for maintenance.
第１図は本発明の一実施例におりる制御弁装置のブロッ
ク構成図、第２図は他の実施例における制御弁装置のブ
ロック構成図、第３図は従来の制御弁装置を示すブロッ
ク構成図である。
２１・・・・・・弁筺体、２２・・・・・・混合弁（制
御弁）、２５・・・・・・弁軸、２８・・・・・・混合
弁（制御弁）駆動装置、３２・・・・・・防水ケース、
３７・・・・・・駆動軸、３８・・・・・・絶縁手段。FIG. 1 is a block diagram of a control valve device according to one embodiment of the present invention, FIG. 2 is a block diagram of a control valve device in another embodiment, and FIG. 3 is a block diagram showing a conventional control valve device. FIG. 21... Valve housing, 22... Mixing valve (control valve), 25... Valve stem, 28... Mixing valve (control valve) drive device, 32... Waterproof case,
37... Drive shaft, 38... Insulation means.
Claims (5)
制御弁に設けた弁軸と、前記弁軸を電気的に駆動する制
御弁駆動装置と、この制御弁駆動装置を覆う防水ケース
と、弁筺体内部から弁軸を伝わり前記防水ケース内への
漏水の侵入を遮断する絶縁手段とからなる制御弁装置。(1) Covering a valve housing, a control valve provided in the valve housing, a valve shaft provided in the control valve, a control valve drive device that electrically drives the valve shaft, and this control valve drive device A control valve device comprising a waterproof case and an insulating means for blocking water leakage from inside the valve housing through the valve shaft and into the waterproof case.
る混合弁とした特許請求の範囲第１項記載の制御弁装置
。(2) The control valve device according to claim 1, wherein the control valve is a mixing valve that changes the flow rate ratio of hot water and water to obtain an appropriate temperature.
結する連結継手と、前記連結継手と防水ケース間をシー
ルするシール材とで構成する特許請求の範囲第１項記載
の制御弁装置。(3) The control according to claim 1, wherein the insulating means includes a connecting joint that connects the drive shaft of the control valve drive device and the valve shaft, and a sealing material that seals between the connecting joint and the waterproof case. Valve device.
連通する小孔と、前記弁軸の小孔の前後に設けたシール
材とで構成する特許請求の範囲第１項記載の制御弁装置
。(4) The insulating means is comprised of a valve stem provided in the valve housing, a small hole communicating with the outside of the valve housing, and a sealing material provided before and after the small hole of the valve stem. control valve device.
許請求の範囲第４項記載の湯水混合装置。(5) The hot water mixing device according to claim 4, wherein a water leakage detector is provided at the end of the small hole provided in the valve housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63230440A JP2679150B2 (en) | 1988-09-14 | 1988-09-14 | Control valve device and hot water mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63230440A JP2679150B2 (en) | 1988-09-14 | 1988-09-14 | Control valve device and hot water mixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0280874A true JPH0280874A (en) | 1990-03-20 |
| JP2679150B2 JP2679150B2 (en) | 1997-11-19 |
Family
ID=16907935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63230440A Expired - Fee Related JP2679150B2 (en) | 1988-09-14 | 1988-09-14 | Control valve device and hot water mixing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2679150B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188933A (en) * | 2016-07-14 | 2020-05-22 | 浙江三花汽车零部件有限公司 | Electronic expansion valve |
Citations (1)
| 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 |
-
1988
- 1988-09-14 JP JP63230440A patent/JP2679150B2/en not_active Expired - Fee Related
Patent Citations (1)
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188933A (en) * | 2016-07-14 | 2020-05-22 | 浙江三花汽车零部件有限公司 | Electronic expansion valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2679150B2 (en) | 1997-11-19 |
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