CN2519893Y - Pressure releasing structure for one-way valve of electric water heater - Google Patents
Pressure releasing structure for one-way valve of electric water heater Download PDFInfo
- Publication number
- CN2519893Y CN2519893Y CN 01254676 CN01254676U CN2519893Y CN 2519893 Y CN2519893 Y CN 2519893Y CN 01254676 CN01254676 CN 01254676 CN 01254676 U CN01254676 U CN 01254676U CN 2519893 Y CN2519893 Y CN 2519893Y
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- CN
- China
- Prior art keywords
- pressure release
- check valve
- pressure
- relief
- valve
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- 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.)
- Expired - Fee Related
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Abstract
The utility model proposes a relief structure of a check valve of an electric water heater belonging to the water heater technology field, which solves the problem of high pressure of the inner container when the existing water heater is used. The relief structure of the check valve of the electric water heater is arranged in the valve body of the check valve and comprises a cylindrical relief structure, the two end surfaces of which are respectively provided with a relief water inlet and a relief water outlet, the relief water inlet is towards an outlet end of the check valve, and the relief water outlet is towards an inlet end of the check valve. The relief structure is provided by turns with a gasket, a seal seat and a relief spring propped to the seal seat, and the gasket is arranged between the relief water inlet and the seal seat. After the check valve with the utility model is connected to the inlet pipe of the water heater, unidirectional water intake can be realized, and the internal leakage function is also added to keep the pressure of the inner container far below the usual safety pressure, therefore, the inner container can be prevented from high pressure, thus to prolong the service life of the water heater.
Description
Technical field
The utility model belongs to technical field of water heaters, particularly a kind of accessory of electric heater.
Background technology
The water inlet of electric heater all is equipped with a check valve.Check valve can prevent that the water in the water heater liner from refluxing, and avoids electric heater the dry combustion method phenomenon to occur.But then, because water heater in use can produce air pressure, this air pressure has improved the pressure in the water heater liner.When the hypertonia in the water heater liner,, cause whole water heater not use if untimely step-down just the inner bag fracture phenomena may occur.Therefore, also be provided with a safety valve in the check valve side usually.This safety valve plays safety effect, and when the pressure in the water heater liner surpassed the safety value of regulation, the water in the inner bag will discharge by the discharge outlet of safety valve.This safety value generally fixes on more than the 0.7MPa.If lowly fixed, the water in the inner bag can outwards flow out by safety valve continually, makes the user very inconvenient.But present problem is that will inevitably be subjected to very big influence the service life of water heater liner if water heater liner is under the elevated pressures near safety value for a long time, also causes interior gallbladder break easily.
Summary of the invention
The purpose of this utility model is at the existing the problems referred to above of existing water heater, and a kind of pressure relief of electric heater check valve of novelty is provided, and makes the hydraulic pressure in the water heater liner be in lower pressure all the time, thereby prolongs the service life of inner container of electric water heater.
The purpose of this utility model realizes by following technical proposal: the pressure relief of this electric heater check valve is arranged in the valve body of check valve, it comprises a columnar pressure release body, pressure release inlet opening and pressure release apopore are arranged respectively on the both ends of the surface of pressure release body, the pressure release inlet opening is toward the water side of check valve, the pressure release apopore is toward the water inlet end of check valve, sealing gasket, seal receptacle and pressure release spring are housed in the pressure release body successively, sealing gasket is between pressure release inlet opening and seal receptacle, and pressure release spring roof pressure is on seal receptacle.
In the pressure relief of this electric heater check valve, the pressure release body is arranged in the valve body of check valve, and it has replaced the spool of common check valve.Particularly, be provided with an one-way valve spring that acts on the pressure release body in the valve body, the lateral surface roof pressure of this end of pressure release apopore that makes the pressure release body is on the sealing surface of valve body inboard, and between is provided with gasket seal.Such structure has kept the unidirectional conducting function of current of check valve.
After check valve with the utility model structure is connected on the inlet pipeline of electric heater, it at first is unidirectional water inlet, be that the pressure release body is under the effect of hydraulic pressure, overcome the elastic force of one-way valve spring, make the reach of pressure release body, current enter between the sealing surface of pressure release body and valve body inboard, by check valve to the water heater liner place.Because one-way valve spring acts on this side of pressure release apopore of pressure release body all the time, just on this side of valve inleting water end, current can not be back to the water inlet end place from the hermetically-sealed construction between pressure release body and the valve body inboard.Simultaneously, under normal pressure, because of sealing gasket and seal receptacle at roof pressure under the elastic force effect of pressure release spring on the pressure release inlet opening of pressure release body, the water in the water heater liner also can not refluxed by the pressure release body.Secondly, in having increased, the utility model structure lets out function.When the hydraulic pressure in the water heater liner surpass the pressure at water inlet pipe place and reach set in when letting out opening pressure, hydraulic pressure in the inner bag acts on the sealing gasket and seal receptacle in the pressure release body, can overcome the elastic force of pressure release spring, make sealing gasket and seal receptacle leave the pressure release inlet opening.Like this, the water in the inner bag is flowed back to the water inlet end of check valve behind the pressure release apopore by the pressure release inlet opening.After water in the inner bag reduced, its pressure had just descended naturally.In the hydraulic pressure in the inner bag drops to, let out opening pressure when following, sealing gasket and seal receptacle again at roof pressure under the effect of pressure release spring on the pressure release inlet opening.At this moment, check valve is in closed condition.Here let out the pressure that leaks that opening pressure is less than safety valve in.
Compared with prior art, after check valve adopted structure of the present utility model, the inner liner pressure of electric heater can remain on below common safe pressure, promptly below the interior pressure release power of pressure release body, thereby make inner bag avoid bearing elevated pressures, prolonged the service life of water heater.Simultaneously, the structure of the stream that sluices in adopting makes the pressure release current after the inner bag superpressure can not flow out water pipe or water heater, and is therefore easy to use, has higher utility.
Description of drawings
Accompanying drawing is the structural representation that adopts the electric heater check valve of the utility model structure.
Among the figure: 1, valve body 10, water inlet end 11, water side 12, one-way valve spring 13, adjusting nut 2, pressure release body 20, pressure release inlet opening; 21, pressure release apopore; 3, safety valve; 30, handle; 31, discharge outlet; 4, valve seat; 40, sealing ring 5, support 6, sealing gasket 7, seal receptacle 8, pressure release spring 9, rubber sheet gasket.
The specific embodiment
As shown in the figure, adopt the electric heater check valve of the utility model structure to comprise a valve body 1 cylindraceous, the sidepiece of valve body 1 is provided with a safety valve that communicates with it 3.Discharge outlet 31 and handle 30 are arranged on the safety valve 3.Water by safety valve 3 will be by discharging in the discharge outlet 31, and 30 on handle is used to control safety valve 3, realizes manual drainage.Pressure release body 2 is located in the valve body 1.In the present embodiment, also be provided with a support 5 in the valve body 1, pressure release body 2 is positioned at support 5, is one-way valve spring 12 between support 5 and the pressure release body 2.The support 5 general plastics that adopt are made.
Sealing gasket 6, seal receptacle 7 and pressure release spring 8 are arranged in the pressure release body 2.The both ends of the surface of pressure release body 2 are respectively pressure release inlet opening 20 and pressure release apopore 21, and pressure release inlet opening 20 is toward the water side 11 of check valve, and pressure release apopore 21 is toward the water inlet end 10 of check valve.In addition, be provided with one and regulate nut 13 in pressure release apopore 21, there is the limbers at the center of regulating nut 13, regulates nut 13 and connects with pressure release body 2 by screw thread.Regulate nut 13 by reversing, the elasticity that can regulate pressure release spring 8 has also just been adjusted the size of pressure release power in this check valve.
In the present embodiment, the lateral surface of pressure release apopore 21 these ends of pressure release body 2 is conical, and a valve seat 4 is housed in the valve body 1, is provided with a rubber sheet gasket 9 between valve seat 4 and the pressure release body 2.By rubber sheet gasket 9, make under the effect of one-way valve spring 12 between pressure release body 2 and the valve seat 4 and can seal, realize the function of check valve.Simultaneously, the position stability of pressure release body 2 is convenient to actual production.Also be provided with an O shape rubber seal 40 between valve seat 4 and the valve body 1, make to keep sealing between valve body 1 and the valve seat 4.
In the present embodiment, the pressure that leaks of safety valve 3 is 0.75MPa, and the interior pressure release power of pressure release body 2 is 0.25MPa.In other words, when the hydraulic pressure at water heater liner or 11 places, water side surpasses the pressure 0.25MPa of check valve water inlet end 10, let out structure in of the present utility model and just work, make the water in the inner bag be back to water inlet end 10 places.In addition, when above-mentioned pressure differential during greater than 0.75MPa, the safety valve 3 that is positioned at the check valve side just works; water in the inner bag is just directly discharged by discharge outlet 31 places of safety valve 3; play the double insurance effect, protected the inner bag of water heater effectively, prolonged service life.
Claims (5)
1, a kind of pressure relief of electric heater check valve, be arranged in the valve body (1) of check valve, it is characterized in that it comprises a columnar pressure release body (2), pressure release inlet opening (20) and pressure release apopore (21) are arranged respectively on the both ends of the surface of pressure release body (2), pressure release inlet opening (20) is toward the water side (11) of check valve, pressure release apopore (21) is toward the water inlet end (10) of check valve, sealing gasket (6) is housed in the pressure release body (2) successively, seal receptacle (7) and pressure release spring (8), sealing gasket (6) is positioned between pressure release inlet opening (20) and the seal receptacle (7), and pressure release spring (8) roof pressure is on seal receptacle (7).
2, the pressure relief of electric heater check valve according to claim 1 is characterized in that being provided with a support (5) in the described valve body (1), and pressure release body (2) is positioned at support (5), is one-way valve spring (12) between support (5) and the pressure release body (2).
3, the pressure relief of electric heater check valve according to claim 1 and 2, it is characterized in that being provided with in the described pressure release apopore (21) one and regulate nut (13), there is the limbers at the center of regulating nut (13), regulates nut (13) and connects with pressure release body (2) by screw thread.
4, the pressure relief of electric heater check valve according to claim 1 and 2, the lateral surface that it is characterized in that this end of pressure release apopore (21) of described pressure release body (2) is taper shape, a valve seat (4) is housed in the valve body (1), is provided with a rubber sheet gasket (9) between valve seat (4) and the pressure release body (2).
5, the pressure relief of electric heater check valve according to claim 4 is characterized in that being provided with an O shape rubber seal (40) between described valve seat (4) and the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01254676 CN2519893Y (en) | 2001-11-10 | 2001-11-10 | Pressure releasing structure for one-way valve of electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01254676 CN2519893Y (en) | 2001-11-10 | 2001-11-10 | Pressure releasing structure for one-way valve of electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2519893Y true CN2519893Y (en) | 2002-11-06 |
Family
ID=33663945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01254676 Expired - Fee Related CN2519893Y (en) | 2001-11-10 | 2001-11-10 | Pressure releasing structure for one-way valve of electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2519893Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104783666A (en) * | 2015-04-30 | 2015-07-22 | 深圳安吉尔饮水产业集团有限公司 | Pressure discharge type one-way valve and water dispenser |
| CN106308502A (en) * | 2015-06-24 | 2017-01-11 | 广东美的生活电器制造有限公司 | Coffee machine and control method thereof |
| CN107035902A (en) * | 2017-06-19 | 2017-08-11 | 华帝股份有限公司 | Integrated anti-freezing pressure release valve |
| CN108131473A (en) * | 2018-01-31 | 2018-06-08 | 浙江神太太阳能股份有限公司 | The check valve of decompression function built in a kind of band |
| CN112833538A (en) * | 2021-02-03 | 2021-05-25 | 阿诗丹顿电气有限公司 | Pressure regulating valve and water heater |
-
2001
- 2001-11-10 CN CN 01254676 patent/CN2519893Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104783666A (en) * | 2015-04-30 | 2015-07-22 | 深圳安吉尔饮水产业集团有限公司 | Pressure discharge type one-way valve and water dispenser |
| CN104783666B (en) * | 2015-04-30 | 2018-03-20 | 深圳安吉尔饮水产业集团有限公司 | A kind of row pressure formula check valve and water dispenser |
| CN106308502A (en) * | 2015-06-24 | 2017-01-11 | 广东美的生活电器制造有限公司 | Coffee machine and control method thereof |
| CN107035902A (en) * | 2017-06-19 | 2017-08-11 | 华帝股份有限公司 | Integrated anti-freezing pressure release valve |
| CN108131473A (en) * | 2018-01-31 | 2018-06-08 | 浙江神太太阳能股份有限公司 | The check valve of decompression function built in a kind of band |
| CN112833538A (en) * | 2021-02-03 | 2021-05-25 | 阿诗丹顿电气有限公司 | Pressure regulating valve and water heater |
| CN112833538B (en) * | 2021-02-03 | 2022-04-29 | 阿诗丹顿电气有限公司 | Pressure regulating valve and water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |