JPH0553655A - Hot/cool water mixer - Google Patents
Hot/cool water mixerInfo
- Publication number
- JPH0553655A JPH0553655A JP21122491A JP21122491A JPH0553655A JP H0553655 A JPH0553655 A JP H0553655A JP 21122491 A JP21122491 A JP 21122491A JP 21122491 A JP21122491 A JP 21122491A JP H0553655 A JPH0553655 A JP H0553655A
- Authority
- JP
- Japan
- Prior art keywords
- hot
- valve
- pressure
- hot water
- temperature
- 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
Landscapes
- Control Of Temperature (AREA)
- Temperature-Responsive Valves (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、居住場所に於いて、湯
と水を混合して給湯を行なうもので、家庭用のみならず
業務用にも使用する湯水混合器に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot and cold water mixer for hot water supply by mixing hot water and water in a place of residence and used not only for home use but also for business use.
【０００２】[0002]
【従来技術】先ず従来技術について説明する。2. Description of the Related Art First, the prior art will be described.
【０００３】図４は特開昭６３−２４３０９号公報の例
を示すものである。図について概要を述べれば湯管１、
水管２より供給された湯および水は、湯、水絞り弁３の
開口面積を変化させ、湯開閉モータ４により、湯弁５
を、水開閉モータ６により水弁７を各々動作させ、湯水
混合状態をサーミスタ８で検知し、制御器９へ信号を送
り、給湯温度を制御している。FIG. 4 shows an example of JP-A-63-24309. The outline of the figure is the water pipe 1,
The hot water and water supplied from the water pipe 2 changes the opening area of the hot water and water throttle valve 3, and the hot water opening / closing motor 4 causes the hot water valve 5 to move.
The water valve 7 is operated by the water opening / closing motor 6, the hot water mixing state is detected by the thermistor 8, and a signal is sent to the controller 9 to control the hot water supply temperature.
【０００４】一方、給湯流量は、固定旋回器１０によ
り、給湯全体を旋回流と為し、マグネットボール１１に
より、パルスカウンター１２を信号とし、制御器９に流
量信号を送っている。On the other hand, as for the hot water supply flow rate, the fixed hot swirler 10 makes the whole hot water supply a swirl flow, and the magnet ball 11 makes the pulse counter 12 a signal and sends a flow rate signal to the controller 9.
【０００５】他の従来技術として図５に特開昭６３−７
５８０９号公報の具体例を示す。図５について説明する
と、湯、水の圧力変動を吸収する機構は、図４と全く同
様であるが、湯側調整弁１３と水側調整弁１４を同軸と
し、湯水量調節モータ１５により駆動して調整を行なっ
ている。図４に比べて湯開閉モータ４、水開閉モータ６
を１個の湯水量調節モータ１５としている。しかし、そ
の代替として混合水開閉弁１６およびそれを駆動する混
合弁開閉モータ１７より構成されている。結局の処、弁
駆動用モータは図４、図５とも２個の構成になってい
る。Another prior art is shown in FIG.
A specific example of Japanese Patent No. 5809 will be shown. Referring to FIG. 5, the mechanism for absorbing pressure fluctuations of hot water and water is exactly the same as in FIG. 4, except that the hot water adjusting valve 13 and the water adjusting valve 14 are coaxial and are driven by the hot water quantity adjusting motor 15. Is being adjusted. Compared with FIG. 4, a hot water opening / closing motor 4 and a water opening / closing motor 6
Is one hot water amount adjusting motor 15. However, as an alternative thereto, it is composed of a mixed water opening / closing valve 16 and a mixing valve opening / closing motor 17 for driving it. After all, the valve drive motor has two configurations in both FIG. 4 and FIG.
【０００６】[0006]
【発明が解決しようとする課題】図４に示す従来例で
は、湯及び水絞り弁で１軸、湯弁で１軸、水弁で１軸の
合計３軸は、図４に示す如くそれぞれ分離独立して構成
されている。In the conventional example shown in FIG. 4, a total of three axes, one axis for hot water and water throttle valve, one axis for hot water valve, and one axis for water valve, are separated as shown in FIG. Independently configured.
【０００７】又図５に示す従来例では、湯及び水絞り弁
で１軸、湯側及び水側調節弁で１軸、混合水開閉弁で１
軸の合計３軸は、図５に示す如くそれぞれ分離独立して
構成されている。このために湯水混合器として形状が複
雑化するために小形化が出来ない課題があった。In the conventional example shown in FIG. 5, the hot water and water throttle valves have one axis, the hot water side and water side control valves have one axis, and the mixed water on-off valve has one axis.
As shown in FIG. 5, the total of three axes are configured separately and independently. For this reason, there is a problem that the hot water mixer cannot be downsized because the shape becomes complicated.
【０００８】[0008]
【課題を解決するための手段】本発明に於いては、上記
従来技術の課題を解決するために圧力調整弁と温度調整
弁を同軸化を図るために、一方の軸を中空とし、他方の
軸を中空軸の内部へ構成することにより、同軸化を図る
ものである。In order to solve the above-mentioned problems of the prior art, in the present invention, one shaft is made hollow and the other is made coaxial in order to make the pressure control valve and the temperature control valve coaxial. By constructing the shaft inside the hollow shaft, coaxialization is achieved.
【０００９】供給される湯と水により圧調されるダイヤ
フラムと圧力調整弁とを有する圧力調整器と、湯水を温
調する温度調整弁と、湯水を混合する混合部と、混合部
の流量を検出し流量及び温度を制御する制御器と、制御
器により制御される弁駆動アクチュエータとを備えた湯
水混合器において、前記圧力調整弁と前記温度調整弁の
駆動用軸を同軸にしたものである。A pressure regulator having a diaphragm and a pressure regulating valve that are regulated by the supplied hot water and water, a temperature regulating valve that regulates the temperature of the hot water, a mixing section that mixes the hot water and the flow rate of the mixing section In a hot and cold water mixer comprising a controller for detecting and controlling the flow rate and temperature, and a valve drive actuator controlled by the controller, the drive shafts of the pressure control valve and the temperature control valve are coaxial. ..
【００１０】又、湯水混合器において、駆動用軸を各々
独立してスライド自在な二重構造にして、圧力調整弁の
駆動用軸を外側に設け、温度調整弁の駆動用軸を内側に
設けたものである。Further, in the hot and cold water mixer, the driving shafts are independently slidable and have a double structure, and the driving shaft of the pressure regulating valve is provided on the outer side and the driving shaft of the temperature regulating valve is provided on the inner side. It is a thing.
【００１１】尚、湯水混合器において、外側の駆動用軸
を介して圧力調整弁をダイヤフラムと連結すると共に、
内側の駆動用軸を介して温度調整弁を弁駆動アクチュエ
ータと駆動自在に連結したものである。In the hot-water mixer, the pressure regulating valve is connected to the diaphragm via the outer driving shaft, and
The temperature control valve is movably connected to a valve drive actuator via an inner drive shaft.
【００１２】[0012]
【作用】上記湯水混合器に於いて、圧力調整弁、温度調
整弁の各々の駆動用軸を同軸にすると共に、前記駆動用
軸を各々独立してスライド自在な二重構造にして、圧力
調整弁の駆動用軸を外側に設け、温度調整弁の駆動用軸
を内側に設け、かつ外側の駆動用軸を介して圧力調整弁
をダイヤフラムと連結すると共に、内側の駆動用軸を介
して温度調整弁を弁駆動アクチュエータと駆動自在に連
結したので、圧力調整弁と温度調整弁の駆動用軸の同軸
化が実現出来る。このように同軸化しても従来通り、圧
力調整弁は湯と水を圧調し、圧調された湯水を温度調整
弁は温調することが出来る。In the hot water mixer, the pressure adjusting valve and the temperature adjusting valve have respective drive shafts coaxial with each other, and the drive shafts each have an independent slidable double structure to adjust the pressure. The valve drive shaft is provided outside, the temperature control valve drive shaft is provided inside, the pressure control valve is connected to the diaphragm via the outer drive shaft, and the temperature is controlled via the inner drive shaft. Since the regulating valve is connected to the valve drive actuator in a freely drivable manner, the drive shafts of the pressure regulating valve and the temperature regulating valve can be made coaxial. Even with such coaxial arrangement, the pressure adjusting valve can adjust the temperature of the hot water and the water and the temperature adjusting valve can adjust the temperature of the pressure adjusted hot water as in the conventional case.
【００１３】[0013]
【実施例】以下、本発明の一実施例の内容について図
１、図２、図３を用いて詳細に説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The contents of one embodiment of the present invention will be described in detail below with reference to FIGS. 1, 2 and 3.
【００１４】図１は、本発明による給湯系のシステム系
統図を示す。１０１は水管、１０２は湯管、１２３は圧
力調整器で、後述するダイヤフラム１０５と圧力調整弁
１０９とを有する。水管１０１と湯管１０２は各々圧力
調整器１２３と連通している。１２４は湯と水の混合部
である。混合部１２４は圧力調整器１２３とここで所定
の流量比で湯と水を混合して適温としている。１２５は
流量を検知する流量部、１２６は給湯開閉弁でこれらは
混合部１２４と連通し、混合された湯は浴槽、シャワ
ー、洗面室（図示せず）へ各々供給される。１２７は制
御器で、制御器１２７は、流量信号１２０、温度信号１
２１が取り込まれており、手動操作部１２８により指定
した条件に従って流量比を制御する弁駆動アクチュエー
タ１１１や給湯開閉弁１２６を駆動信号１１７、１２２
により制御するものである。FIG. 1 shows a system diagram of a hot water supply system according to the present invention. Reference numeral 101 is a water pipe, 102 is a hot water pipe, and 123 is a pressure adjuster, which has a diaphragm 105 and a pressure adjusting valve 109 described later. The water pipe 101 and the hot water pipe 102 communicate with the pressure regulator 123, respectively. Reference numeral 124 denotes a hot water / water mixing unit. The mixing unit 124 and the pressure adjuster 123 mix hot water and water at a predetermined flow rate ratio to obtain an appropriate temperature. Reference numeral 125 is a flow rate unit for detecting the flow rate, 126 is a hot water supply on-off valve, which communicates with the mixing unit 124, and the mixed hot water is supplied to a bathtub, a shower, and a washroom (not shown), respectively. 127 is a controller, and the controller 127 includes the flow rate signal 120 and the temperature signal 1
21 is incorporated and drives signals 117, 122 for driving the valve drive actuator 111 for controlling the flow rate ratio and the hot water supply on-off valve 126 according to the condition designated by the manual operation unit 128.
It is controlled by.
【００１５】図２は本発明の一実施例の具体例で図１の
一点鎖線で示した範囲である。FIG. 2 is a specific example of one embodiment of the present invention and is the range shown by the one-dot chain line in FIG.
【００１６】１０１は水管で、水管１０１より冷水１０
１Ａ、１０２は湯管で、湯管１０２より熱湯１０２Ａが
供給される。水管１０１と湯管１０２には各々圧力検出
口１０２Ｂ、１０１Ｂが設けてあり、水および湯の圧力
変動を検出している。圧力検出口１０２Ｂ，１０１Ｂは
ストレーナ１０３、調整絞り弁１０４を通して圧力調整
器１２３の水側室１０７、湯側室１０８と連通し、湯と
水各々の圧力を伝えている。Reference numeral 101 is a water pipe, and cold water 10 is supplied from the water pipe 101.
1A and 102 are hot water pipes, and hot water 102A is supplied from the hot water pipe 102. The water pipe 101 and the hot water pipe 102 are provided with pressure detection ports 102B and 101B, respectively, to detect pressure fluctuations of water and hot water. The pressure detection ports 102B and 101B communicate with the water side chamber 107 and the hot water side chamber 108 of the pressure regulator 123 through the strainer 103 and the adjustment throttle valve 104, and transmit the pressures of hot water and water respectively.
【００１７】１０９は圧力調整弁で、湯と水との圧力と
バネ１０６との力関係により動作する。１０５はバネ１
０６、１０６で挟着されたダイヤフラムで、ダイヤフラ
ム１０５は、圧力調整器１２３の水側室１０７と湯側室
１０８との間を仕切ている。圧力調整弁１０９は、中空
な軸１０９Ａを介して前記ダイヤフラム１０５と連結し
ている。Reference numeral 109 is a pressure adjusting valve, which operates by the pressure relationship between the hot water and the water and the force relationship with the spring 106. 105 is spring 1
A diaphragm 105 sandwiched between 06 and 106 divides the diaphragm 105 between the water side chamber 107 and the hot water side chamber 108 of the pressure regulator 123. The pressure adjusting valve 109 is connected to the diaphragm 105 via a hollow shaft 109A.
【００１８】１１０は温度調整弁で、温度調整弁１１０
は、前記中空な軸１０９Ａ内を独立して軸方向にスライ
ド自在に挿入された軸１１０Ａを介して、温度信号１２
１、湯水の混合比による制御器１２７の弁駆動信号１１
７により駆動する弁駆動アクチュエータ１１１と連結し
てる。Reference numeral 110 is a temperature control valve, and the temperature control valve 110
Temperature signal 12 through a shaft 110A that is independently slidably inserted in the hollow shaft 109A in the axial direction.
1, the valve drive signal 11 of the controller 127 according to the mixing ratio of hot and cold water
7 is connected to a valve drive actuator 111 which is driven by 7.
【００１９】圧力調整弁１０９と温度調整弁１１０は、
圧力調整弁１０９を上流側、温度調整弁１１０を下流側
に配置して、各々水通路１１２、湯通路１１３に設けて
ある。The pressure adjusting valve 109 and the temperature adjusting valve 110 are
The pressure regulating valve 109 is arranged on the upstream side and the temperature regulating valve 110 is arranged on the downstream side, and they are provided in the water passage 112 and the hot water passage 113, respectively.
【００２０】１１４は混合室で、温度調整弁１１０をで
た冷水１０１Ａ、熱湯１０２Ａは各々水通路１１２、湯
通路１１３を経て混合室１１４で合流する。この混合室
１１４は冷水１０１Ａと熱湯１０２Ａが瞬時に混合させ
る為、混合突起１１５を設けている。１１６は回転羽根
で、混合室１１４の後流に設けてある。１１８は流量セ
ンサで、流量信号１２０と回転羽根１１６の回転数とし
て制御器１２７へ送る。１１９は温度センサで、給湯温
度を温度信号１２１として制御器１２７へ送り、フィー
ドバック制御が行なわれる。図３は、図２のＡＡ断面を
示す。１１４は混合突起１１５を有する混合室で、冷水
１０１Ａ、熱湯１０２Ａは各々水通路１１２、湯通路１
１３より混合室１１４へ各々接続方向に流入し同一方向
の旋回流となり、混合突起１１５にて各々小さな渦に分
割された後、湯水混合が行なわれる。Reference numeral 114 denotes a mixing chamber, and cold water 101A and hot water 102A exiting the temperature control valve 110 join in the mixing chamber 114 via a water passage 112 and a hot water passage 113, respectively. The mixing chamber 114 is provided with a mixing protrusion 115 for instantaneously mixing the cold water 101A and the hot water 102A. Reference numeral 116 denotes a rotary blade, which is provided downstream of the mixing chamber 114. Reference numeral 118 denotes a flow rate sensor, which sends the flow rate signal 120 and the rotation speed of the rotary blade 116 to the controller 127. A temperature sensor 119 sends the hot water supply temperature as a temperature signal 121 to the controller 127 to perform feedback control. FIG. 3 shows the AA cross section of FIG. Reference numeral 114 denotes a mixing chamber having a mixing protrusion 115. The cold water 101A and the hot water 102A are the water passage 112 and the hot water passage 1, respectively.
From 13 to the mixing chamber 114, each flows in the connecting direction to form a swirling flow in the same direction, and each is divided into small vortices by the mixing protrusion 115, and then hot water mixing is performed.
【００２１】次に本実施例の作用について説明する。Next, the operation of this embodiment will be described.
【００２２】圧力調整弁１０９と連結した中空な軸１０
９Ａと、温度調整弁１１０を連結して、中空な軸１０９
Ａ内を独立して軸方向にスライド自在に挿入された軸１
１０Ａとを同軸にしても、従来通り、圧力調整弁１０９
は湯水を圧調し、圧調された湯水を温度調整弁１１０は
温調することが出来る。Hollow shaft 10 connected to pressure regulating valve 109
9A and the temperature control valve 110 are connected to each other to form a hollow shaft 109.
Shaft 1 inserted in A independently and slidably in the axial direction
Even if it is coaxial with 10A, the pressure regulating valve 109 is still used as usual.
The temperature adjusting valve 110 can adjust the temperature of the hot water and the pressure of the hot water.
【００２３】[0023]
【発明の効果】本発明による第１の効果は、圧力調整弁
と温度調整弁の部分が同軸にて構成される為に極めて小
形の湯水混合器を提供できることである。The first effect of the present invention is that it is possible to provide an extremely small-sized hot and cold water mixer because the pressure adjusting valve and the temperature adjusting valve are coaxially arranged.
【図１】本発明の一実施例を示す湯水混合器の給湯系の
システム系統図。FIG. 1 is a system diagram of a hot water supply system of a hot water mixer according to an embodiment of the present invention.
【図２】本発明の一実施例を示す湯水混合器の要部断面
図。FIG. 2 is a cross-sectional view of essential parts of a hot and cold water mixer showing an embodiment of the present invention.
【図３】図２のＡＡ断面図（湯水混合部断面図）。FIG. 3 is a sectional view taken along the line AA of FIG. 2 (a sectional view of a hot water mixing section).
【図４】従来の例を示す湯水混合器の構成図。FIG. 4 is a configuration diagram of a hot and cold water mixer showing a conventional example.
【図５】従来の他の例を示す湯水混合器の構成図。FIG. 5 is a configuration diagram of a hot and cold water mixer showing another conventional example.
１０５ ダイヤフラム １０９ 圧力調整弁 １０９Ａ 軸 １１０ 温度調整弁 １１０Ａ 軸 １１１ 弁駆動用アクチュエータ １２３ 圧力調整器 １２４ 混合器 １２７ 制御器 105 Diaphragm 109 Pressure Control Valve 109A Shaft 110 Temperature Control Valve 110A Shaft 111 Valve Driving Actuator 123 Pressure Regulator 124 Mixer 127 Controller
───────────────────────────────────────────────────── フロントページの続き (72)発明者 山崎 勝弘 千葉県柏市新十余二３番地１ 株式会社日 立ホームテツク内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Katsuhiro Yamazaki 1-3, Shinjuyoji, Kashiwa-shi, Chiba 1
Claims (3)
れるダイヤフラム(105)と圧力調整弁(109)とを有する圧
力調整器(123)と、圧力調整器(123)で圧調された湯水を
温調する温度調整弁(110)と、温度調整弁(110)で温調さ
れた湯水を混合する混合部(124)と、混合部(124)の流量
を検出し流量及び温度を制御する制御器(127)と、制御
器(127)により制御される弁駆動アクチュエータ(111)と
を備えた湯水混合器において、前記圧力調整弁(109)と
前記温度調整弁(110)の駆動用軸(109A)、(110A)を同軸
にしたことを特徴とする湯水混合器。1. A pressure regulator (123) having a diaphragm (105) and a pressure regulating valve (109) which are regulated by a pressure difference between hot water and water supplied, and pressure regulation by a pressure regulator (123). The temperature control valve (110) for controlling the temperature of the hot and cold water, the mixing section (124) for mixing the hot and cold water temperature controlled by the temperature control valve (110), and the flow rate and temperature are detected by detecting the flow rate of the mixing section (124). In a hot and cold water mixer including a controller (127) for controlling and a valve drive actuator (111) controlled by the controller (127), driving of the pressure adjusting valve (109) and the temperature adjusting valve (110). A hot and cold water mixer characterized in that the shafts (109A) and (110A) are coaxial.
スライド自在な二重構造にして、圧力調整弁(109)の駆
動用軸(109A)を外側に設け、温度調整弁(110)の駆動用
軸(110A)を内側に設けた請求項１記載の湯水混合器。2. A temperature adjusting valve, wherein the driving shafts (109A) and (110A) are independently slidable in a dual structure, and the driving shaft (109A) of the pressure adjusting valve (109) is provided outside. The hot and cold water mixer according to claim 1, wherein the drive shaft (110A) of the (110) is provided inside.
弁(109)をダイヤフラム(105)と連結すると共に、内側の
駆動用軸(110A)を介して温度調整弁(110)を弁駆動アク
チュエータ(111)と駆動自在に連結した請求項２記載の
湯水混合器。3. The pressure control valve (109) is connected to the diaphragm (105) via the outer drive shaft (109A), and the temperature control valve (110) is connected via the inner drive shaft (110A). The hot and cold water mixer according to claim 2, wherein the hot water mixer is connected to a valve drive actuator (111) in a drivable manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21122491A JPH0553655A (en) | 1991-08-23 | 1991-08-23 | Hot/cool water mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21122491A JPH0553655A (en) | 1991-08-23 | 1991-08-23 | Hot/cool water mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0553655A true JPH0553655A (en) | 1993-03-05 |
Family
ID=16602345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21122491A Pending JPH0553655A (en) | 1991-08-23 | 1991-08-23 | Hot/cool water mixer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0553655A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006500521A (en) * | 2002-09-19 | 2006-01-05 | リヴリン，エイタン | Water pressure control thermostat mixing valve |
| EP2592315A1 (en) | 2011-11-10 | 2013-05-15 | Mikuni Corporation | Hot and cold water mixer |
| CN108843817A (en) * | 2018-08-21 | 2018-11-20 | 鹤山市斯帝罗兰卫浴洁具有限公司 | A kind of water mixing valve waterway structure |
-
1991
- 1991-08-23 JP JP21122491A patent/JPH0553655A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006500521A (en) * | 2002-09-19 | 2006-01-05 | リヴリン，エイタン | Water pressure control thermostat mixing valve |
| EP2592315A1 (en) | 2011-11-10 | 2013-05-15 | Mikuni Corporation | Hot and cold water mixer |
| CN108843817A (en) * | 2018-08-21 | 2018-11-20 | 鹤山市斯帝罗兰卫浴洁具有限公司 | A kind of water mixing valve waterway structure |
| CN108843817B (en) * | 2018-08-21 | 2024-02-20 | 鹤山市斯帝罗兰卫浴洁具有限公司 | Water mixing valve waterway structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5931181A (en) | Anti-scald faucet system | |
| US5356074A (en) | Thermostatic mixing device | |
| JPH0553655A (en) | Hot/cool water mixer | |
| EP2592315A1 (en) | Hot and cold water mixer | |
| JPS59155674A (en) | Mixing valve for hot water and water | |
| JPH0519869A (en) | Hot and cold water mixer | |
| JPH0799224B2 (en) | Hot water mixing device | |
| JPH08128560A (en) | Hot/cold water mixing device | |
| JP3310149B2 (en) | Hot water mixer tap | |
| JPH0117028B2 (en) | ||
| JP2696977B2 (en) | Hot water mixing equipment | |
| JPS58221083A (en) | Mixing valve | |
| JPH02146389A (en) | Hot water and water mixing device | |
| JPH02102981A (en) | Hot water and water mixing apparatus | |
| JP2738129B2 (en) | Fluid control valve | |
| JP2814596B2 (en) | Mixer tap | |
| JP3321847B2 (en) | Hot water mixing equipment | |
| JPH0324375A (en) | Mixing plug | |
| JP3029509B2 (en) | Hot water supply temperature adjustment device of hot water supply device | |
| JP2686895B2 (en) | Hot and cold water mixing device with cartridge type functional unit | |
| JPS6336215Y2 (en) | ||
| JP2697030B2 (en) | Hot water mixing equipment | |
| JPH04141709A (en) | Hot and cold water mixing device | |
| JPH02146392A (en) | Hot water and water mixing device | |
| JP3289345B2 (en) | Hot water mixing equipment |