CN113738941B - A play water valve for indoor constant temperature goes out water system - Google Patents
A play water valve for indoor constant temperature goes out water system Download PDFInfo
- Publication number
- CN113738941B CN113738941B CN202111011591.9A CN202111011591A CN113738941B CN 113738941 B CN113738941 B CN 113738941B CN 202111011591 A CN202111011591 A CN 202111011591A CN 113738941 B CN113738941 B CN 113738941B
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- valve body
- water outlet
- water inlet
- valve
- cavity
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Abstract
The invention discloses a water outlet valve for an indoor constant-temperature water outlet system, which relates to the technical field of temperature water valve adjustment and comprises a valve body, a valve body insert, a temperature sensing rod, a moving block, a spring and a conical block, wherein the valve body insert is arranged in the valve body, the moving block is arranged in the center of the interior of the valve body insert, the temperature sensing rod is embedded in the moving block, the spring is sleeved outside the moving block, the moving block comprises a moving block body, a moving block bottom plate is arranged at the bottom of the moving block body, a connecting rod is arranged at the center of the bottom of the moving block bottom plate, a step surface is arranged at the upper part of the connecting rod, the conical block is sleeved on the step surface, a first gap is formed at the matching position of the conical block and the valve body insert, a first groove is sleeved on the first groove, a second gap is formed at the matching position of the first O-shaped ring and the valve body insert, and the water inlet flow of cold and hot water is timely regulated by the elastic force of the temperature sensing rod and the moving block, and the water outlet mixed water temperature of a mixed water outlet is kept constant.
Description
Technical Field
The invention relates to the technical field of temperature water valve adjustment, in particular to a water outlet valve for an indoor constant-temperature water outlet system.
Background
At present, the water temperature of domestic water is adjusted by manually rotating a mixing tap to control the water flow of a cold water flow channel and a hot water flow channel, the valve is repeatedly adjusted to find a proper and comfortable water temperature, the adjustment is inconvenient, the waste of water resources can be caused in the adjustment process, in addition, the water temperature can be easily adjusted in time by manually adjusting the valve, the condition that scalding is caused by too high temperature or catching a cold is caused by too low temperature is caused, and the danger and the comfort are extremely poor.
Disclosure of Invention
In view of the problems existing in the prior art, the invention aims to provide a water outlet valve for an indoor constant-temperature water outlet system, which is used for solving the problems that the existing water valve needs to manually adjust the water outlet temperature, is inconvenient to adjust and is easy to cause danger.
The invention provides a water outlet valve for an indoor constant-temperature water outlet system, which comprises a valve body, a valve body insert, a temperature sensing rod, a moving block, a hand wheel, an adjusting screw, a spring and a conical block, wherein the bottom of the valve body is provided with a cold water inlet socket, one side of the valve body is provided with a hot water inlet socket, the other side of the valve body is provided with a mixed water outlet socket, the upper part of the cold water inlet socket is provided with a water inlet cavity, the upper part of the water inlet cavity is provided with a water outlet cavity, the cold water inlet socket and the hot water inlet socket are communicated with the water inlet cavity, the water inlet cavity is communicated with the water outlet cavity and the mixed water outlet socket, the top of the valve body is provided with the hand wheel, the valve body insert is arranged in the valve body, the upper end of the valve body insert is provided with the adjusting screw, the top of the adjusting screw extends into the hand wheel cavity, and the adjusting screw is fixedly connected with the hand wheel through a screw, the valve body insert is internally provided with a moving block, the moving block is internally embedded with a temperature sensing rod, the top of the temperature sensing rod extends into the cavity of the adjusting screw, a spring is sleeved outside the moving block, the moving block comprises a moving block body, the bottom of the moving block body is provided with a moving block bottom plate, the center of the bottom of the moving block bottom plate is provided with a connecting rod, the upper part of the connecting rod is provided with a step surface, the step surface is sleeved with a conical block, the matching part of the conical block and the valve body insert forms a first gap through which cold water passes, a group of through holes are formed around the connecting rod, the moving block body is hollow, the inner cavity of the moving block body is a water mixing through hole, the through holes are communicated with the water mixing through hole, the moving block bottom plate is provided with a first groove, the first groove is sleeved with a first O-shaped ring, the matching part of the first O-shaped ring and the valve body insert forms a second gap through which hot water passes.
Further, the valve body insert is provided with a valve body hot water inlet runner hole and a valve body water outlet runner hole at the matching position of the valve body insert and the hot water inlet bellmouth and the matching position of the mixed water outlet bellmouth respectively, the hot water inlet bellmouth is communicated with the valve body hot water inlet runner and the water inlet cavity, and the water outlet cavity is communicated with the valve body water outlet runner and the mixed water outlet bellmouth.
Further, the valve body insert comprises a fixing stud, the fixing stud is arranged at the matching position of the valve body insert and the adjusting screw, the valve body insert internal thread is arranged at the matching position of the valve body insert and the fixing stud, the outer surface of the fixing stud is provided with a fixing stud external thread matched with the valve body insert internal thread, and the fixing stud is connected with the valve body insert through the fixing stud external thread and the valve body insert internal thread.
Further, the inside of the fixed stud is provided with a fixed stud internal thread matched with the external thread of the adjusting screw, and the adjusting screw and the fixed stud are connected with the fixed stud internal thread through the external thread of the adjusting screw.
Further, including the plastic piece, the plastic piece sets up in the bottom of toper piece, the surface of connecting rod lower extreme is equipped with the connecting rod external screw thread, plastic piece offsets with the toper piece, and it connects on the connecting rod external screw thread through the nut soon, realizes the fixed of toper piece.
Further, the valve body insert comprises a second O-shaped ring, and the second O-shaped ring is arranged at the matching position of the valve body insert and the fixing stud.
Further, a third O-ring is included, the third O-ring being disposed between the adjusting screw and the fixing stud.
Further, the valve body insert comprises a fourth O-shaped ring, a fourth O-shaped ring groove is formed between the water inlet cavity and the water outlet cavity, and the fourth O-shaped ring is sleeved on the fourth O-shaped ring groove.
Further, a dovetail groove is formed in the matching position of the upper end of the valve body insert and the valve body, and the valve body insert and the valve body are integrally formed in an injection molding mode.
Compared with the prior art, the invention has the beneficial effects that:
1) By adopting the technical scheme of the invention, the water inflow of cold and hot water is duly regulated by utilizing the property of thermal expansion and contraction of the temperature sensing rod and the elasticity of the moving block and the spring, so that the temperature of mixed water supplied to a user by a mixed water outlet socket is always kept constant, the use is convenient, and the mixed water has good constant temperature effect;
2) The invention has the characteristics of easy control of temperature, water resource saving, simple and convenient adjustment and safe and comfortable use.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a valve body and a valve body insert according to the present invention;
FIG. 3 is a schematic perspective view of a moving block according to the present invention;
fig. 4 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 1-a valve body; 101-a cold water inlet socket; 102-a hot water inlet socket; 103-mixing water outlet socket; 104-a water inlet cavity; 105-water outlet cavity; 2-valve body insert; 201-a valve body hot water inlet flow passage; 202-a valve body water outlet flow passage; 203-valve body insert internal threads; 204-a fourth O-ring groove; 205-dovetail groove; 3-a temperature sensing rod; 4-moving blocks; 401-a moving block body; 402-moving block base plate; 4021—a connecting rod; 40211—a step surface; 40212—connecting rod external threads; 4022-a through hole; 4023—a first groove; 5-a hand wheel; 6-adjusting a screw; 7-a spring; 8-cone blocks; 9-a first O-ring; 10-a first void; 11-a second void; 12-fixing a stud; 13-plastic blocks; 14-a second O-ring; 15-a third O-ring; 16-fourth O-ring; 17-nut.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of protection of the invention is not limited to the described scope.
As shown in fig. 1-4, a water outlet valve for an indoor constant temperature water outlet system comprises a valve body 1, a valve body insert 2, a temperature sensing rod 3, a moving block 4, a hand wheel 5, an adjusting screw 6, a spring 7 and a conical block 8, wherein the valve body insert 2 is arranged in the valve body 1, the valve body insert 2 and the valve body 1 are integrally injection molded in this embodiment, a dovetail groove 205 is formed at the upper end of the valve body insert 2 and tightly meshed with the valve body 1 after injection molding, wherein the whole valve body 1 is made of PP-R, and can be directly welded with a PP-R pipe, so that the water outlet valve is safe and reliable. The bottom of the valve body 1 is provided with a cold water inlet socket 101, one side of the valve body is provided with a hot water inlet socket 102, the other side of the valve body is provided with a mixed water outlet socket 103, the upper part of the cold water inlet socket 101 is provided with a water inlet cavity 104, the upper part of the water inlet cavity 104 is provided with a water outlet cavity 105, the cold water inlet socket 101 and the hot water inlet socket 102 are communicated with the water inlet cavity 104, and the water inlet cavity 104 is communicated with the water outlet cavity 105 and the mixed water outlet socket 103.
The matching position of the valve body insert 2 and the hot water inlet bellmouth 102 and the matching position of the mixed water outlet bellmouth 103 are respectively provided with a valve body hot water inlet runner hole 201 and a valve body outlet runner hole 202, and in the invention, the valve body hot water inlet runner 201 and the valve body outlet runner 202 are formed by secondary machining, so that the complexity of a die structure and the precision requirement on the production of the valve body insert 2 can be reduced, the hot water inlet bellmouth 102 is communicated with the valve body hot water inlet runner 201 and the water inlet cavity 104, and the water outlet cavity 105 is communicated with the valve body outlet runner 202 and the mixed water outlet bellmouth 103.
According to the water outlet valve for the indoor constant-temperature water outlet system, the hand wheel 5 is arranged at the top of the valve body 1, the adjusting screw 6 is arranged at the upper end inside the valve body insert 2, the top of the adjusting screw 6 stretches into the cavity of the hand wheel 5, the adjusting screw 6 is fixedly connected with the hand wheel 5 through screws, the fixed stud 12 is arranged at the matching position of the valve body insert 2 and the adjusting screw 6, the valve body insert internal thread 203 is arranged at the matching position of the valve body insert 2 and the fixed stud 12, the outer surface of the fixed stud 12 is provided with the fixed stud external thread matched with the valve body insert internal thread 203, and the fixed stud 12 is connected with the valve body insert 2 through the fixed stud external thread 203, so that the installation and the disassembly are convenient.
The fixing stud 12 is internally provided with a fixing stud internal thread matched with the external thread of the adjusting screw 6, and the adjusting screw 6 and the fixing stud 12 are connected with the fixing stud internal thread through the external thread of the adjusting screw 6, so that the fixing and dismounting are convenient.
According to the water outlet valve for the indoor constant-temperature water outlet system, the moving block 4 is arranged in the center of the inner part of the valve body insert 2, the temperature sensing rod 3 is embedded in the moving block 4, the top of the temperature sensing rod 3 stretches into the cavity of the adjusting screw rod 6, the spring 7 is sleeved outside the moving block 4, and the temperature sensing rod 3 drives the moving block 4 to move up and down in the valve body insert 2 through the characteristics of thermal expansion and cold contraction of the temperature sensing rod 3.
The moving block 4 comprises a moving block body 401, a moving block bottom plate 402 is arranged at the bottom of the moving block body 401, a connecting rod 4021 is arranged at the center of the bottom of the moving block bottom plate 402, a step surface 40211 is arranged on the upper portion of the connecting rod 4021, a conical block 8 is sleeved on the step surface 40211, a first gap 10 for cold water to pass through is formed at the matching position of the conical block 8 and the valve body insert 2, and the size of the first gap 10 influences the cold water flow of the cold water entering the water inlet cavity 104.
A group of through holes 4022 are formed in the periphery of the connecting rod 4021, the moving block body 401 is hollow, the inner cavity of the moving block body is a water mixing through hole 4011, the through hole 4022 is communicated with the water mixing through hole 4011, a first groove 4023 is formed in the moving block bottom plate 402, a first O-shaped ring 9 is sleeved on the first groove 4023, a second gap 11 through which hot water passes is formed at the matching position of the first O-shaped ring 9 and the valve body insert 2, and the size of the second gap 11 influences the flow of hot water entering the water inlet cavity 104.
The invention relates to a water outlet valve for an indoor constant-temperature water outlet system, which comprises a plastic block 13, wherein the plastic block 13 is arranged at the bottom of a conical block 8, the lower end of the outer surface of a connecting rod 4021 is provided with a connecting rod external thread 40212, the plastic block 13 is abutted against the conical block 8, and the plastic block 13 is screwed on the connecting rod external thread 40212 through a nut 17 to realize fixation.
The invention relates to a water outlet valve for an indoor constant-temperature water outlet system, which comprises a second O-shaped ring 14, a third O-shaped ring 15 and a fourth O-shaped sealing ring 16, wherein the second O-shaped ring 14 is arranged at the matching position of a valve body insert 2 and a fixed stud 12, so that water is prevented from leaking outwards; the third O-shaped ring 15 is arranged between the adjusting screw rod 6 and the fixed stud 12, so that the tightness between the adjusting screw rod 6 and the fixed stud 12 is ensured; the valve body insert 2 is provided with a fourth O-shaped ring groove 204 between the water inlet cavity 104 and the water outlet cavity 105, and the fourth O-shaped ring 16 is sleeved on the fourth O-shaped ring groove 204, and the fourth O-shaped ring 16 is arranged in the invention, so that water is not leaked between the water inlet cavity 104 and the water outlet cavity 105.
Specifically, rotating the hand wheel 6 can drive the rotation of the adjusting screw 6 to adjust the set temperature of the mixed water, when the mixed water temperature is higher than the set temperature, the temperature sensing rod 3 is heated and expanded, the moving block 4 moves downwards, the first gap 10 becomes larger, the second gap 11 becomes smaller, the flow of cold water entering the water inlet cavity 104 from the cold water inlet socket 101 becomes larger, the flow of hot water entering the water inlet cavity 104 from the hot water inlet socket 102 becomes smaller, and the outlet water temperature corresponding to the water outlet cavity 105 is reduced so as to reach the set temperature of the mixed water; when the mixed water temperature is lower than the mixed water set temperature, the temperature sensing rod 3 is cooled and contracted, the movable block 4 moves upwards, the movable block 4 moves downwards, the first gap 10 becomes smaller, the second gap 11 becomes larger, the flow of cold water entering the water inlet cavity 104 from the cold water inlet socket 102 is small, the flow of hot water entering the water inlet cavity 104 from the hot water inlet socket 102 is larger, and the outlet water temperature corresponding to the water outlet cavity 105 is increased, so that the mixed water set temperature is reached.
Claims (9)
1. The utility model provides a water outlet valve for indoor constant temperature water outlet system, its characterized in that includes valve body (1), valve body inserts (2), temperature sensing stick (3), movable block (4), hand wheel (5), adjusting screw (6), spring (7) and toper piece (8), the bottom of valve body (1) is equipped with cold water inlet socket (101), and its one side is equipped with hot water inlet socket (102), and the opposite side is equipped with mixed water outlet socket (103), cold water inlet socket (101) upper portion is equipped with water inlet cavity (104), the upper portion of water inlet cavity (104) is equipped with water outlet cavity (105), cold water inlet socket (101) and hot water inlet socket (102) all link up with water inlet cavity (104), water inlet cavity (104) link up with water outlet cavity (105) and mixed water outlet socket (103), the top of valve body (1) is equipped with hand wheel (5), valve body (1) inside is equipped with inserts piece (2), valve body inserts (2) inside upper end is equipped with adjusting screw (6), adjusting screw (6) are equipped with through adjusting screw (5) the inside the hand wheel (6) and the fixed screw (4), the utility model discloses a water heater, including valve body inserts (1), valve body inserts (2), valve body inserts (3) are inside to have inlayed temperature sensing stick (3), in the cavity of adjusting screw (6) is stretched into at the top of temperature sensing stick (3), the outside cover of valve body (4) is equipped with spring (7), valve body (4) are including valve body (401), the bottom of valve body (401) is equipped with valve body bottom plate (402), the bottom center department of valve body bottom plate (402) is equipped with connecting rod (4021), the upper portion of connecting rod (4021) is equipped with step face (40211), the cover is equipped with toper piece (8) on step face (40211), the cooperation department of toper piece (8) and valve body inserts (2) has formed first space (10) that the cold water passed through, a set of through-hole (4022) have been seted up all around to connecting rod (4021), valve body (401) are hollow form, its inside cavity is water mixing through-hole (4011), through-hole (2) link up with water mixing through-hole (4011), be equipped with on valve body bottom plate (402) and be equipped with first recess (4023), first recess (4029) and second O type forms the top of the position of the valve body (9).
2. The water outlet valve for the indoor constant-temperature water outlet system according to claim 1, wherein a valve body hot water inlet runner (201) and a valve body water outlet runner (202) are respectively arranged at the matching position of the valve body insert (2) and the hot water inlet socket (102) and the matching position of the mixed water outlet socket (103), the hot water inlet socket (102) is communicated with the valve body hot water inlet runner (201) and the water inlet cavity (104), and the water outlet cavity (105) is communicated with the valve body water outlet runner (202) and the mixed water outlet socket (103).
3. The water outlet valve for the indoor constant-temperature water outlet system according to claim 1, comprising a fixed stud (12), wherein the fixed stud (12) is arranged at the matching position of the valve body insert (2) and the adjusting screw (6), the matching position of the valve body insert (2) and the fixed stud (12) is provided with a valve body insert internal thread (203), the outer surface of the fixed stud (12) is provided with a fixed stud external thread matched with the valve body insert internal thread (203), and the fixed stud (12) and the valve body insert (2) are connected with the valve body insert internal thread (203) through the fixed stud external thread.
4. A water outlet valve for an indoor constant temperature water outlet system according to claim 3, characterized in that the inside of the fixed stud (12) is provided with a fixed stud internal thread matched with the external thread of the adjusting screw (6), and the adjusting screw (6) and the fixed stud (12) are connected with the fixed stud internal thread through the external thread of the adjusting screw (6).
5. The water outlet valve for an indoor constant temperature water outlet system according to claim 1, characterized by comprising a plastic block (13), wherein the plastic block (13) is arranged at the bottom of the conical block (8), a connecting rod external thread (40212) is arranged on the surface of the lower end of the connecting rod (4021), the plastic block (13) is abutted against the conical block (8), and the plastic block is screwed on the connecting rod external thread (40212) through a nut (17), so that the conical block (8) is fixed.
6. A water outlet valve for an indoor thermostatic water outlet system according to claim 1, characterized by comprising a second O-ring (14), said second O-ring (14) being provided at the mating of the valve body insert (2) with the fixing stud (12).
7. A water outlet valve for an indoor thermostatic water outlet system according to claim 1, characterized by comprising a third O-ring (15), said third O-ring (15) being arranged between the adjusting screw (6) and the fixing stud (12).
8. The water outlet valve for the indoor constant temperature water outlet system according to claim 1, comprising a fourth O-ring (16), wherein a fourth O-ring groove (204) is arranged between the water inlet cavity (104) and the water outlet cavity (105) of the valve body insert (2), and the fourth O-ring (16) is sleeved on the fourth O-ring groove (204).
9. The water outlet valve for the indoor constant-temperature water outlet system according to claim 1, wherein a dovetail groove (205) is formed at the matching position of the upper end of the valve body insert (2) and the valve body (1), and the valve body insert (2) and the valve body (1) are integrally injection molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111011591.9A CN113738941B (en) | 2021-08-31 | 2021-08-31 | A play water valve for indoor constant temperature goes out water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111011591.9A CN113738941B (en) | 2021-08-31 | 2021-08-31 | A play water valve for indoor constant temperature goes out water system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113738941A CN113738941A (en) | 2021-12-03 |
| CN113738941B true CN113738941B (en) | 2023-09-05 |
Family
ID=78734168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111011591.9A Active CN113738941B (en) | 2021-08-31 | 2021-08-31 | A play water valve for indoor constant temperature goes out water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113738941B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0478378U (en) * | 1990-11-20 | 1992-07-08 | ||
| JP2003042335A (en) * | 2001-08-01 | 2003-02-13 | Mym Corp | Combination faucet |
| CN101956840A (en) * | 2010-11-09 | 2011-01-26 | 常州有容电子有限公司 | Automatic constant temperature tap |
| CN201787125U (en) * | 2010-09-08 | 2011-04-06 | 常州市华鹏机械电器制造有限公司 | Automatic thermostatic water mixing valve |
| CN104100731A (en) * | 2013-04-01 | 2014-10-15 | 李飞宇 | Constant-temperature water outlet valve |
| CN105605300A (en) * | 2016-03-18 | 2016-05-25 | 宁波华成阀门有限公司 | Bypass thermostatic mixing valve |
| CN207470904U (en) * | 2017-11-30 | 2018-06-08 | 厦门厦洛普科技有限公司 | A kind of constant-temperature water mixing valve |
| CN110425307A (en) * | 2019-07-24 | 2019-11-08 | 广东万家乐燃气具有限公司 | A kind of thermostat and water heater |
-
2021
- 2021-08-31 CN CN202111011591.9A patent/CN113738941B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0478378U (en) * | 1990-11-20 | 1992-07-08 | ||
| JP2003042335A (en) * | 2001-08-01 | 2003-02-13 | Mym Corp | Combination faucet |
| CN201787125U (en) * | 2010-09-08 | 2011-04-06 | 常州市华鹏机械电器制造有限公司 | Automatic thermostatic water mixing valve |
| CN101956840A (en) * | 2010-11-09 | 2011-01-26 | 常州有容电子有限公司 | Automatic constant temperature tap |
| CN104100731A (en) * | 2013-04-01 | 2014-10-15 | 李飞宇 | Constant-temperature water outlet valve |
| CN105605300A (en) * | 2016-03-18 | 2016-05-25 | 宁波华成阀门有限公司 | Bypass thermostatic mixing valve |
| CN207470904U (en) * | 2017-11-30 | 2018-06-08 | 厦门厦洛普科技有限公司 | A kind of constant-temperature water mixing valve |
| CN110425307A (en) * | 2019-07-24 | 2019-11-08 | 广东万家乐燃气具有限公司 | A kind of thermostat and water heater |
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| Publication number | Publication date |
|---|---|
| CN113738941A (en) | 2021-12-03 |
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