CN111396609A - One-way safety valve with pressure reducing assembly and water heater using one-way safety valve - Google Patents
One-way safety valve with pressure reducing assembly and water heater using one-way safety valve Download PDFInfo
- Publication number
- CN111396609A CN111396609A CN202010230332.4A CN202010230332A CN111396609A CN 111396609 A CN111396609 A CN 111396609A CN 202010230332 A CN202010230332 A CN 202010230332A CN 111396609 A CN111396609 A CN 111396609A
- Authority
- CN
- China
- Prior art keywords
- valve body
- pressure reducing
- valve
- way safety
- main
- 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 80
- 238000007789 sealing Methods 0.000 claims description 42
- 230000006837 decompression Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0473—Multiple-way safety valves
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a one-way safety valve with a pressure reducing component and a water heater using the same, wherein the one-way safety valve with the pressure reducing component comprises a main valve body module with an internal leakage function and a branch valve body module with an external leakage function, the side wall of the upper part of the main valve body module is detachably connected with the branch valve body module, and the main valve body module comprises the pressure reducing component for reducing pressure. According to the one-way safety valve with the pressure reducing component, the safety valve and the pressure reducing component are integrated, so that two functions of safety pressure limiting and pressure reducing can be simultaneously obtained by installing the device on a water heater at the last time, the assembly steps are reduced, the production efficiency is improved, the production cost is reduced, and the user experience is improved.
Description
Technical Field
The invention belongs to the technical field of water inlet safety valves, and particularly relates to a one-way safety valve with a pressure reducing assembly and a water heater using the one-way safety valve.
Background
At present, in order to prevent the internal pressure of the water heater from exceeding a limit value, a safety valve is generally required to be arranged at a water inlet port of the water heater, so that partial water is discharged through a valve port opened by the safety valve when the water heater is in overpressure, and the pressure of the water heater is relieved. When secondary water supply is carried out on the existing high-rise building, the pressure often exceeds the rated pressure of the water heater, the water is drained through pressure relief of the one-way safety valve inside the water heater, and water dripping can occur, so that a user mistakenly thinks that the water heater leaks water to cause complaints, and therefore, in order to reduce the water inlet pressure of the water heater, the water inlet port of the water heater is also required to be provided with a pressure reducing valve in a matching mode.
However, when the existing water heater is assembled, a safety valve and a pressure reducing valve need to be respectively installed on the water inlet port to simultaneously realize the pressure relief and pressure reduction functions, which inevitably causes the assembly steps of the water heater to be complicated and influences the production efficiency and the cost.
Disclosure of Invention
In order to solve the problems, the invention provides the one-way safety valve with the pressure reducing component, the safety valve and the pressure reducing component are integrated into a whole, so that two functions of pressure limiting and pressure reducing can be simultaneously obtained by mounting the device on the water heater at the last time, the assembly steps are reduced, the production efficiency is improved, and the cost is reduced.
It is another object of the present invention to provide a water heater.
The technical scheme adopted by the invention is as follows:
a one-way relief valve with a pressure relief assembly includes a main valve body module having an internal leakage function and a branch valve body module having an external leakage function, the upper side wall of the main valve body module being detachably connected to the branch valve body module, the main valve body module including a pressure relief assembly for pressure relief.
Preferably, the main valve body module further comprises a main valve body and an internal leakage component, a main channel is arranged in the main valve body, an external leakage through hole is formed in the side wall of the upper portion of the main channel, the internal leakage component and the pressure reduction component are detachably mounted in the main channel from top to bottom, the lower end of the main valve body is a water inlet, and the upper end of the main valve body is a water outlet.
Preferably, the branch valve body module comprises a branch valve body and an external leakage assembly, a water drainage opening is formed in the side wall of the lower portion of the branch valve body, an external leakage channel communicated with the external leakage through hole is formed in the branch valve body, and the external leakage assembly is detachably mounted in the external leakage channel.
Preferably, the pressure reducing assembly comprises a fixing mechanism, a first sealing ring, a spring, a movable valve core mechanism, a columnar sealing gasket and a second sealing ring, wherein the first sealing ring, the spring, the movable valve core mechanism, the columnar sealing gasket and the second sealing ring are sequentially sleeved inside the fixing mechanism.
Preferably, the fixed mechanism comprises a fixed valve core and a valve seat, the fixed valve core is in threaded connection with the inner wall of the main valve body, an internal leakage component is installed at the upper end of the fixed valve core, the valve seat is sleeved at the lower end of the fixed valve core, and a first sealing ring, a spring, a movable valve core mechanism, a columnar sealing gasket and a second sealing ring are sequentially sleeved between the fixed valve core and the valve seat.
Preferably, the fixing mechanism comprises an annular boss and a valve body plug, the annular boss is fixed on the inner side wall of the main valve body, the inner leakage component is installed at the upper end of the annular boss, the valve body plug is installed at the lower end of the main valve body, and a first sealing ring, a spring, a movable valve core mechanism, a columnar sealing gasket and a second sealing ring are sequentially sleeved between the annular boss and the valve body plug.
Preferably, the movable valve core mechanism comprises a movable valve core body, a flange and a shaft core, the flange is arranged on the outer side of the lower portion of the movable valve core body, the shaft core is arranged inside the movable valve core body, a water inlet hole is formed between the shaft core and the inner wall of the movable valve core body, and a bypass hole is formed in the bottom of the movable valve core.
Preferably, the upper part of the main valve body main body is provided with a positioning support for limiting the internal leakage component.
Preferably, a handle is arranged on the leakage component.
The other technical scheme of the invention is realized as follows:
the water heater comprises the one-way safety valve with the pressure reducing component and a water heater main body, wherein the one-way safety valve with the pressure reducing component is installed at the water inlet end of the water heater main body.
Compared with the prior art, the one-way safety valve with the pressure reducing component integrates the safety valve and the pressure reducing component, so that two functions of safety pressure limiting and pressure reducing can be simultaneously obtained by installing the device on a water heater at the last time, the assembly steps are reduced, the production efficiency is improved, the production cost is reduced, and the user experience is improved.
Drawings
Fig. 1 is an overall schematic view of a one-way safety valve with a pressure reducing assembly provided in embodiment 1 of the present invention;
fig. 2 is a schematic cross-sectional view of a first fixing mechanism of a one-way safety valve with a pressure reducing assembly according to embodiment 1 of the present invention;
fig. 3 is an exploded view of a first fixing mechanism of a one-way safety valve with a pressure reducing assembly provided in embodiment 1 of the present invention;
fig. 4 is a schematic cross-sectional view of a second fixing mechanism of the one-way safety valve with a pressure reducing assembly provided in embodiment 1 of the present invention;
fig. 5 is an exploded schematic view of a second fixing mechanism of the one-way safety valve with the pressure reducing assembly provided in embodiment 1 of the present invention;
fig. 6 is a schematic structural diagram of a movable valve core mechanism of a one-way safety valve with a pressure reducing assembly provided in embodiment 1 of the present invention.
Description of the reference numerals
1-main valve body module, 11-main valve body, 112-positioning support, 12-main channel, 13-leakage through hole, 14-leakage component, 15-pressure reducing component, 151-fixing mechanism, 1511-fixing valve core, 1512-valve seat, 1513-annular boss, 1514-valve body plug, 1515-annular boss hole, 152-first sealing ring, 153-spring, 154-movable valve core mechanism, 1541-movable valve core body, 1542-flange, 1543-shaft core, 1544-water inlet hole, 1545-bypass hole, 155-cylindrical sealing gasket, 156-second sealing ring, 16-water inlet, 17-water outlet, 2-branch valve body module, 21-branch valve body, 22-leakage channel, 23-leakage component, 231-handle, 24-drainage opening.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Embodiment 1 of the present invention provides a one-way safety valve with a pressure reducing assembly, as shown in fig. 1, which includes a main valve body module 1 having an internal leakage function and a branch valve body module 2 having an external leakage function, wherein an upper side wall of the main valve body module 1 is detachably connected to the branch valve body module 2, and the main valve body module 1 includes a pressure reducing assembly 15 for reducing pressure.
Thus, by adopting the structure, the one-way safety valve with the pressure reducing component comprises the main valve body module 1 with the internal leakage function and the branch valve body module 2 with the external leakage function, the branch valve body module 2 is communicated with the side wall of the upper part of the main valve body module 1 through threads, the main valve body module 1 comprises the pressure reducing component 15 for reducing pressure, and the pressure reducing component 15 is integrally installed in the main valve body module 1 with the internal leakage function, so that the device can be installed on a water heater once, two functions of pressure limiting and pressure reducing can be simultaneously obtained, the assembly steps are reduced, the production efficiency is improved, the production cost is reduced, and the user experience is improved.
Main valve body module 1 still includes main valve body 11 and internal leakage subassembly 14, be equipped with main passageway 12 in the main valve body 11, main passageway 12 upper portion lateral wall is equipped with the through-hole 13 that leaks, leak subassembly 14 and decompression subassembly 15 in the main passageway 12 is installed from last detachably down, the lower extreme of main valve body 11 is water inlet 16, the upper end of the main valve body 12 is delivery port 17.
Thus, water flow enters the main channel 12 from the water inlet 16, is sequentially decompressed by the decompression assembly 15, is decompressed by the internal decompression assembly 14, and finally flows out from the water outlet 17.
The branch valve body module 2 comprises a branch valve body 21 and an external leakage assembly 23, a water drainage opening 24 is formed in the side wall of the lower portion of the branch valve body 21, an external leakage channel 22 is formed in the branch valve body 21 and communicated with the external leakage through hole 13, and the external leakage assembly 23 is detachably mounted in the external leakage channel 22.
Thus, when the water flow pressure is too high (for example, greater than 0.8MPa), the water flow flows from the main duct 12 into the leakage duct 22 through the leakage hole 13, and is discharged through the leakage member 23 in the leakage duct 22 to discharge the water from the drain opening 24.
The pressure reducing assembly 15 comprises a fixing mechanism 151, a first sealing ring 152, a spring 153, a movable valve core mechanism 154, a columnar sealing gasket 155 and a second sealing ring 156, wherein the first sealing ring 152, the spring 153, the movable valve core mechanism 154, the columnar sealing gasket 155 and the second sealing ring 156 are sequentially sleeved inside the fixing mechanism 151.
In this way, the entire pressure reducing unit 15 is fixed inside the main valve body 11 by the fixing mechanism 151, and the pressure reducing function is realized by the cooperation of the first seal ring 152, the spring 153, the movable valve core mechanism 154, the columnar packing 155, and the second seal ring 156.
As shown in fig. 2 and 3, the fixing mechanism 151 includes a fixed valve element 1511 and a valve seat 1512, the fixed valve element 1511 is screwed on the inner wall of the main valve body 11, an internal leakage component 14 is installed at the upper end of the fixed valve element 1511, the lower end of the fixed valve element 1511 is sleeved on the valve seat 1512, and a first sealing ring 152, a spring 153, a movable valve element mechanism 154, a cylindrical sealing gasket 155, and a second sealing ring 156 are sequentially sleeved between the fixed valve element 1511 and the valve seat 1512.
In this way, the fixed valve body 1511 is screwed to the inner wall of the main valve body 11, and the lower end of the fixed valve body 1511 is fitted to the valve seat 1512, whereby the first seal 152, the spring 153, the movable valve body 154, the columnar packing 155, and the second seal 156 are fixed in this order between the fixed valve body 1511 and the valve seat 1512.
As shown in fig. 4 and 5, the second fixing mechanism 151 is configured, where the fixing mechanism 151 includes an annular boss 1513 and a valve plug 1514, the annular boss 1513 is fixed on an inner side wall of the main valve body 11, the internal leakage component 14 is installed at an upper end of the annular boss 1513, the valve plug 1514 is installed at a lower end of the main valve body 11, and a first sealing ring 152, a spring 153, a movable valve core mechanism 154, a cylindrical sealing gasket 155, and a second sealing ring 156 are sequentially sleeved between the annular boss 1513 and the valve plug 1514.
In this way, the annular boss 1513 is fixed to the inner wall of the main valve body 11, and the valve plug 1514 is screwed to the lower end of the main valve body 11, whereby the first seal 152, the spring 153, the movable valve core mechanism 154, the columnar packing 155, and the second seal 156 are fixed in this order between the annular boss 1513 and the valve plug 1514.
As shown in fig. 6, the movable valve core mechanism 154 includes a movable valve core body 1541, a flange 1542 and a shaft core 1543, the flange 1542 is disposed on an outer side of a lower portion of the movable valve core body 1541, the shaft core 1543 is disposed inside the movable valve core body 1541, a water inlet 1544 is formed by the shaft core 1543 and an inner wall of the movable valve core body 1541, and a bypass hole 1545 is disposed at a bottom of the movable valve core 1541.
Thus, the shaft core 1543 is arranged inside the movable valve core body 1541, the cylindrical sealing gasket 155 is arranged inside the shaft core 1543, and when the external water pressure is less than 0.4MPa (the pressure value is set according to the elasticity of the spring 153 during production, or can be preset to be produced into springs with other pressure values according to local requirements), water can directly enter the bottom of the movable valve core mechanism 154 from the water inlet 16 and flow into the water heater through the fixing mechanism 151; when the external water pressure is not less than 0.4MPa, a part of water directly flows into the water heater from the bottom of the movable valve core mechanism 154 through the fixing mechanism 151, and the other part of water flows into the cavity between the main valve body 11 and the movable valve core mechanism 154 from the bypass hole 1545 at the bottom of the movable valve core mechanism 154, and the water pressure acts on the bottom surface of the flange 1542 arranged on the outer side of the lower part of the movable valve core body 1541, so that the movable valve core body 1541 is pushed upwards, and the columnar sealing gasket 155 arranged on the movable valve core body 1541 also moves upwards, so that the gap between the columnar sealing gasket 155 and the fixed valve core 1511 or the annular boss 1513 is gradually reduced until the balance is reached, and the pressure reduction effect is achieved.
The upper part of the main valve body 11 is provided with a positioning bracket 112 for limiting the internal leakage component 14.
Thus, the positioning support 112 is provided on the upper portion of the main valve body 11, so as to facilitate the position limiting of the internal leakage assembly 14, and the internal leakage assembly 14 will not be easily displaced.
The leakage assembly 23 is provided with a handle 231.
Thus, by providing the handle 231 on the leakage member 23, the handle 231 can be rotated to perform external manual leakage when necessary.
Therefore, the one-way safety valve with the pressure reducing component integrates the common safety valve and the pressure reducing component, when the pressure of secondary water supply of the existing high floor exceeds the preset pressure of a water heater, the water pressure in the one-way safety valve is limited within the preset pressure through the built-in pressure reducing component, the problem of water dripping of the one-way safety valve of the existing water heater is solved, meanwhile, the device is installed on the water heater for the last time, two functions of pressure limiting and pressure reducing can be achieved simultaneously, the assembling steps are reduced, the production efficiency is improved, the production cost is reduced, and the user experience degree is improved.
Example 2
The embodiment 2 of the invention provides a water heater, which comprises the one-way safety valve with the pressure reducing component and a water heater main body, wherein the one-way safety valve with the pressure reducing component is arranged at the water inlet end of the water heater main body.
Therefore, even when the secondary water supply pressure of a high floor exceeds the preset pressure, the water heater can reduce the pressure through the one-way safety valve with the pressure reducing component in the water heater, so that the problem that the one-way safety valve of the existing water heater is prone to dripping during pressure relief is solved, meanwhile, the one-way safety valve with the pressure reducing component is installed on the water heater for the last time, two functions of pressure limiting and pressure reducing can be achieved simultaneously, the assembly steps are reduced, the production efficiency is improved, the production cost is reduced, and the user experience is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A one-way safety valve with a pressure reducing assembly is characterized by comprising a main valve body module (1) with an internal leakage function and a branch valve body module (2) with an external leakage function, wherein the upper side wall of the main valve body module (1) is detachably connected with the branch valve body module (2), and the main valve body module (1) comprises a pressure reducing assembly (15) for reducing pressure.
2. The one-way safety valve with pressure reducing assembly according to claim 1, wherein the main valve body module (1) further comprises a main valve body (11) and an internal leakage assembly (14), a main channel (12) is arranged in the main valve body (11), an external leakage through hole (13) is arranged on the upper side wall of the main channel (12), the internal leakage assembly (14) and the pressure reducing assembly (15) are detachably mounted in the main channel (12) from top to bottom, the lower end of the main valve body (11) is a water inlet (16), and the upper end of the main valve body (12) is a water outlet (17).
3. The one-way safety valve with pressure reducing assembly according to claim 2, wherein the branch valve body module (2) comprises a branch valve body (21) and an external leakage assembly (23), a drainage opening (24) is formed in the lower side wall of the branch valve body (21), an external leakage passage (22) is formed in the branch valve body (21) and communicated with the external leakage through hole (13), and the external leakage assembly (23) is detachably mounted in the external leakage passage (22).
4. The one-way safety valve with a pressure reducing assembly according to claim 3, characterized in that the pressure reducing assembly (15) comprises a fixing mechanism (151), a first sealing ring (152), a spring (153), a movable valve core mechanism (154), a cylindrical sealing gasket (155) and a second sealing ring (156), wherein the first sealing ring (152), the spring (153), the movable valve core mechanism (154), the cylindrical sealing gasket (155) and the second sealing ring (156) are sleeved in the fixing mechanism (151) in sequence.
5. The one-way safety valve with the pressure reducing assembly according to claim 4, characterized in that the fixing mechanism (151) comprises a fixed valve core (1511) and a valve seat (1512), the fixed valve core (1511) is screwed on the inner wall of the main valve body (11), the internal leakage assembly (14) is installed at the upper end of the fixed valve core (1511), the lower end of the fixed valve core (1511) is sleeved on the valve seat (1512), and a first sealing ring (152), a spring (153), a movable valve core mechanism (154), a cylindrical sealing gasket (155) and a second sealing ring (156) are sequentially sleeved between the fixed valve core (1511) and the valve seat (1512).
6. The one-way safety valve with pressure relief assembly according to claim 4, characterized in that the fixing mechanism (151) comprises an annular boss (1513) and a valve body plug (1514), the annular boss (1513) is fixed on the inner side wall of the main valve body (11), the inner leakage assembly (14) is installed at the upper end of the annular boss (1513), the valve body plug (1514) is installed at the lower end of the main valve body (11), and a first sealing ring (152), a spring (153), a movable valve core mechanism (154), a columnar sealing gasket (155) and a second sealing ring (156) are sequentially sleeved between the annular boss (1513) and the valve body plug (1514).
7. The one-way safety valve with the pressure reducing assembly according to claim 5 or 6, wherein the movable valve core mechanism (154) comprises a movable valve core body (1541), a flange (1542) and a shaft core (1543), the flange (1542) is arranged on the outer side of the lower portion of the movable valve core body (1541), the shaft core (1543) is arranged inside the movable valve core body (1541), the shaft core (1543) and the inner wall of the movable valve core body (1541) form a water inlet hole (1544), and a bypass hole (1545) is arranged at the bottom of the movable valve core (1541).
8. The one-way safety valve with pressure reducing assembly according to claim 7, wherein the main valve body (11) is provided at an upper portion thereof with a positioning bracket (112) for limiting the internal leakage assembly (14).
9. The one-way safety valve with pressure relief assembly of claim 8, wherein said leak-off assembly (23) is provided with a handle (231).
10. A water heater, characterized in that it comprises a one-way safety valve with pressure reducing assembly as claimed in any one of claims 1 to 9 and a water heater body, the water inlet end of which is equipped with the one-way safety valve with pressure reducing assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230332.4A CN111396609B (en) | 2020-03-27 | 2020-03-27 | One-way relief valve with decompression assembly and water heater using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010230332.4A CN111396609B (en) | 2020-03-27 | 2020-03-27 | One-way relief valve with decompression assembly and water heater using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111396609A true CN111396609A (en) | 2020-07-10 |
| CN111396609B CN111396609B (en) | 2023-10-31 |
Family
ID=71433211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010230332.4A Active CN111396609B (en) | 2020-03-27 | 2020-03-27 | One-way relief valve with decompression assembly and water heater using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111396609B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006742A (en) * | 2023-01-09 | 2023-04-25 | 宁波方太厨具有限公司 | One-way steady flow valve and water heater |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07302123A (en) * | 1994-05-06 | 1995-11-14 | Ntc Kogyo Kk | Reducing valve for city water |
| CN2480648Y (en) * | 2001-05-22 | 2002-03-06 | 北京海淀普惠机电技术开发公司 | Pressure-stabilizing pressure reducing device |
| CN2653257Y (en) * | 2003-11-15 | 2004-11-03 | 宁波方太厨具有限公司 | Water quantity regulating valve for gas water heater |
| CN2697415Y (en) * | 2003-11-15 | 2005-05-04 | 宁波方太厨具有限公司 | Pressure stabilizing valve core for water quantity regulation valve of gas water-heater |
| CN201627992U (en) * | 2010-04-13 | 2010-11-10 | 邱家斌 | Pressure reducing valve |
| US20150211648A1 (en) * | 2012-04-09 | 2015-07-30 | II Lawrence L. Frahm | Pressure limiting valve and alternative method for testing a backflow preventer using the same |
| CN205578805U (en) * | 2016-04-26 | 2016-09-14 | 芜湖美的厨卫电器制造有限公司 | Relief valve and water heater |
| CN108302230A (en) * | 2018-03-27 | 2018-07-20 | 芜湖美的厨卫电器制造有限公司 | Safety valve and water heater |
| CN109210241A (en) * | 2017-07-03 | 2019-01-15 | 芜湖美的厨卫电器制造有限公司 | Safety valve and water heater |
| CN208397378U (en) * | 2018-06-26 | 2019-01-18 | 厦门云智共创科技有限公司 | A kind of pressure reducing valve |
| US20190086120A1 (en) * | 2017-09-21 | 2019-03-21 | Zhejiang Dunyun Industrial Co., Ltd. | Internal pressure relief safety valve of water heater and water heater |
-
2020
- 2020-03-27 CN CN202010230332.4A patent/CN111396609B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07302123A (en) * | 1994-05-06 | 1995-11-14 | Ntc Kogyo Kk | Reducing valve for city water |
| CN2480648Y (en) * | 2001-05-22 | 2002-03-06 | 北京海淀普惠机电技术开发公司 | Pressure-stabilizing pressure reducing device |
| CN2653257Y (en) * | 2003-11-15 | 2004-11-03 | 宁波方太厨具有限公司 | Water quantity regulating valve for gas water heater |
| CN2697415Y (en) * | 2003-11-15 | 2005-05-04 | 宁波方太厨具有限公司 | Pressure stabilizing valve core for water quantity regulation valve of gas water-heater |
| CN201627992U (en) * | 2010-04-13 | 2010-11-10 | 邱家斌 | Pressure reducing valve |
| US20150211648A1 (en) * | 2012-04-09 | 2015-07-30 | II Lawrence L. Frahm | Pressure limiting valve and alternative method for testing a backflow preventer using the same |
| CN205578805U (en) * | 2016-04-26 | 2016-09-14 | 芜湖美的厨卫电器制造有限公司 | Relief valve and water heater |
| CN109210241A (en) * | 2017-07-03 | 2019-01-15 | 芜湖美的厨卫电器制造有限公司 | Safety valve and water heater |
| US20190086120A1 (en) * | 2017-09-21 | 2019-03-21 | Zhejiang Dunyun Industrial Co., Ltd. | Internal pressure relief safety valve of water heater and water heater |
| CN108302230A (en) * | 2018-03-27 | 2018-07-20 | 芜湖美的厨卫电器制造有限公司 | Safety valve and water heater |
| CN208397378U (en) * | 2018-06-26 | 2019-01-18 | 厦门云智共创科技有限公司 | A kind of pressure reducing valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116006742A (en) * | 2023-01-09 | 2023-04-25 | 宁波方太厨具有限公司 | One-way steady flow valve and water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111396609B (en) | 2023-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2528220C2 (en) | Balanced insert valve | |
| US8820352B2 (en) | Multi-functional concealed shower valve | |
| KR101110344B1 (en) | Pressure Reducing Valve | |
| CN102308152B (en) | Valve with a delta P-function and flow limiting function | |
| CN110792816B (en) | A new integrated multifunctional pressure reducing valve | |
| CN108050298B (en) | Float valve | |
| CN111396609A (en) | One-way safety valve with pressure reducing assembly and water heater using one-way safety valve | |
| CN211901127U (en) | Explosion-proof hydraulic valve | |
| CN212960045U (en) | One-way safety valve with pressure reducing assembly and water heater using one-way safety valve | |
| CN104633264B (en) | Gas pressure reducing valve | |
| CN109611567B (en) | A water inlet joint that integrates water adjustment, pressure relief, drainage and water replenishment functions | |
| KR100826044B1 (en) | Liquid control valve | |
| CN216158389U (en) | Pressure stabilizing joint with pressure reducing valve | |
| CN108374921B (en) | Decompression assembly for fluid pipeline and fluid pipeline | |
| CN103953769B (en) | A kind of reduction valve | |
| CN205859281U (en) | A kind of air relief valve | |
| CN212509688U (en) | Multifunctional pressure reducing valve | |
| CN107806524B (en) | Axial-flow type water control pressure reducing valve | |
| CN210566499U (en) | Fluid pressure stabilizing valve | |
| CN218564447U (en) | Dynamic balance electric two-way valve | |
| CN110553069B (en) | Fluid pressure stabilizing valve | |
| CN206360773U (en) | Spilling water cover and overflow tank | |
| CN220792149U (en) | Single-handle double-control constant-temperature valve core | |
| CN214466438U (en) | Safe single-seat angle valve | |
| CN207393966U (en) | A kind of pressure limiting angle valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |