CN205190857U - Safety valve for water heater - Google Patents
Safety valve for water heater Download PDFInfo
- Publication number
- CN205190857U CN205190857U CN201521004994.0U CN201521004994U CN205190857U CN 205190857 U CN205190857 U CN 205190857U CN 201521004994 U CN201521004994 U CN 201521004994U CN 205190857 U CN205190857 U CN 205190857U
- Authority
- CN
- China
- Prior art keywords
- valve
- water heater
- valve pocket
- spring
- safety valve
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a safety valve for water heater belongs to safety valve for water heater technical field, has solved the technical problem that current safety valve for water heater size is big, the cost of manufacture is high, the utility model discloses a safety valve for water heater, including valve body, case subassembly, pressure release subassembly and handle, the valve body includes the valve pocket, the both ends of valve pocket are equipped with water inlet and delivery port, the case unit mount is in the valve pocket and be used for controlling the switching of water inlet, the bilateral symmetry of valve body is equipped with installing port and the pressure release mouth that communicates with the valve pocket, the case subassembly includes the pull rod, the one end and the pressure release mouth sealing connection of pull rod, the other end transversely runs through the valve pocket and passes the installing port and be connected with the handle. The embodiment of the utility model provides a mainly be applied to in the water pipe pipeline.
Description
[technical field]
The utility model relates to a kind of safety valve for water heater, belongs to safety valve for water heater technical field.
[background technique]
Safety valve for water heater is applicable to water heater, air-source water heater, inside is provided with pressure release assembly and mangetic core assembly, safety valve can either prevent the aqueous reflux entering water heater, again can when water heater liner pressure be higher, excrete unnecessary pressure, to ensure the inner bag life-span and to avoid quick-fried courage accident to occur, it is a kind of multi-functional storage water heater's safety valve, safety valve of the prior art comprises valve body, be provided with valve pocket in valve body and stretched out the pressure-releasing chamber formed by the side of valve pocket, mangetic core assembly is arranged in valve pocket, pressure release assembly is arranged in pressure-releasing chamber, handle is arranged on the outside of pressure-releasing chamber and is connected with pull bar, the sidewall of pressure-releasing chamber is provided with the pressure relief opening be in communication with the outside, pressure-releasing chamber and valve pocket form T-shaped structure, make the overall structure size of safety valve larger, fabricating cost is higher.
[model utility content]
Problem to be solved in the utility model is just to provide a kind of safety valve for water heater, has compact structure, advantage that fabricating cost is low.
For solving the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of safety valve for water heater, comprise valve body, mangetic core assembly, pressure release assembly and handle, described valve body comprises valve pocket, the two ends of described valve pocket are provided with water intake and water outlet, described mangetic core assembly to be arranged in valve pocket and opening and closing for controlling water intake, and the bilateral symmetry of described valve body is provided with the mount inlet and pressure relief opening that are communicated with valve pocket, and described mangetic core assembly comprises pull bar, one end and the pressure relief opening of described pull bar are tightly connected, and the other end laterally runs through valve pocket and is connected with handle through mount inlet.
The bilateral symmetry of the valve pocket in safety valve for water heater of the present utility model is provided with the mount inlet and pressure relief opening that are communicated with valve pocket, pressure release assembly comprises pull bar, one end and the pressure relief opening of pull bar are tightly connected, the other end laterally runs through valve pocket and is connected with handle through mount inlet, therefore the intermediate portion structure of pressure release assembly is positioned at valve pocket, and pressure release component integration structure of the prior art is all positioned at pressure-releasing chamber, and pressure-releasing chamber is positioned at the outside of valve pocket, namely pressure release assembly is positioned at the outside of valve pocket, add the horizontal width of valve body, and the structure of safety valve in the utility model makes valve pocket inner space be fully used, compared with prior art, substantially reduce the radial width of valve body, reduce the integrally-built size of safety valve, add the compactedness of structure, reduce fabricating cost.
First specific embodiments: the pressure regulation cap that described pressure release assembly also comprises gasket seal, pressure release spring and is connected with pull rod screw, the inwall of described pressure relief opening is provided with positive stop lug boss, described gasket seal is arranged on the outside of positive stop lug boss, described pressure release pressure mounting of the spring inside pressure regulation cap and positive stop lug boss between, one end of described pull bar is provided with the seal boss offseted with gasket seal, is provided with sealing configuration between the described the other end and mount inlet.Design like this, can reduce number of spare parts, reduces weight and the fabricating cost of valve body.
Second specific embodiments: described sealing configuration comprises sealing seat, inner seal ring and exterior seal ring, the inwall of described mount inlet is provided with mounting groove, described sealing seat is assemblied in mounting groove, described inner seal ring is arranged between sealing seat inwall and pull bar outer wall, and described exterior seal ring is arranged between sealing seat outer wall and mounting groove inwall.Design like this, prevents the fluid in valve pocket from revealing from mount inlet, ensure that the sealing that valve pocket is inner good.
3rd specific embodiments: be also fixedly connected with the snap ring offseted with sealing seat outer side surface in described mount inlet.Design like this, can be fixed in mounting groove by sealing seat, prevents it from producing radial direction and rocks.
4th specific embodiments: described mangetic core assembly comprises spool and is connected to the clamping piece in valve pocket, the top of described spool is through clamping piece, pad, spring seat, little spring and big spring are let out in being provided with successively in spool periphery, big spring is fitted between clamping piece and spring seat, little spring is fitted between spool shaft shoulder face and spring seat, lets out pad and be arranged on bottom spring seat and between water intake in described.Design like this, can prevent the water in water heater from refluxing and realize the function of internal pressure relief.
These features of the present utility model and advantage will embodiment below, exposure detailed in accompanying drawing.
[accompanying drawing explanation]
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of safety valve for water heater in the utility model preferred embodiment.
[embodiment]
The technological scheme of accompanying drawing to the utility model embodiment below in conjunction with the utility model embodiment is explained and illustrated, but following embodiment is only preferred embodiment of the present utility model, and not all.Based on the embodiment in mode of execution, those skilled in the art under the prerequisite not making creative work obtain other embodiments, all belong to protection domain of the present utility model.
As shown in Figure 1, for the structural representation of the safety valve for water heater in the utility model preferred embodiment, comprise valve body 1, mangetic core assembly, pressure release assembly and handle 4, wherein be provided with valve pocket 11 in valve body 1, the A end of valve pocket 11 is water intake, and B end is water outlet, pressure relief opening 12 and mount inlet 13 is provided with in the bilateral symmetry of valve pocket 11, pressure relief opening 12 is all communicated with valve pocket 11 with mount inlet 13, and the inwall of pressure relief opening 12 is provided with positive stop lug boss 121, and the inwall of mount inlet 13 is provided with mounting groove.
Pressure release assembly comprises pull bar 20, pressure release spring 21, pressure regulation cap 22 and gasket seal 23, gasket seal 23 is arranged on the outside of positive stop lug boss 121, the seal boss 210 be tightly connected with gasket seal 23 is provided with in one end of pull bar 20, the other end laterally runs through valve pocket 11 and is connected with handle 4 through mount inlet 13, pressure release spring 21 and pressure regulation cap 22 are sleeved on pull bar 20, wherein pressure regulation cap 22 is threaded with pull bar 20, pressure release spring 21 is fitted in inside positive stop lug boss 121 and between pressure regulation cap 22, also sealing configuration is provided with between the other end and mount inlet of pull bar 20, described sealing configuration comprises sealing seat 24, inner seal ring 27 and exterior seal ring 25, wherein sealing seat 24 to be sleeved on pull bar 20 and to be arranged in mounting groove, inner seal ring 27 is arranged between pull bar 20 outer wall and sealing seat 24 inwall, exterior seal ring 25 is arranged between sealing seat 24 outer wall and the inwall of mounting groove, design like this, to prevent the water in valve pocket 11 from going out from seepage in mount inlet 13, ensure that the sealing that valve pocket 11 is inner good.
The snap ring 26 offseted with sealing seat 24 outer side surface is also fixedly connected with in mount inlet 13, design like this, can be fixed in mounting groove by sealing seat 24, prevents it from producing radial direction and rocks, also be provided with stainless steel gasket at the outer side surface of snap ring 26, can prevent sealing seat 24 from producing radial direction further and rock.
Mangetic core assembly comprises spool 30, clamping piece 31, big spring 32, little spring 33, spring seat 34 and interiorly let out pad 35, clamping piece 31 is threaded connection on the inwall of valve pocket 11, clamping piece 31 is provided with through hole, the top of spool 30 is through through hole, big spring 32, little spring 33 and spring seat 34 are all sleeved on the outer circumferential side of spool 30, big spring 32 is fitted between clamping piece 31 and spring seat 34, little spring 33 is fitted between the shaft shoulder face of spool 30 and spring seat 34, inside letting out pad 35 is arranged on bottom spring seat 34 and between water intake, the concrete structure of mangetic core assembly is disclosed in prior art, no longer describe in detail at this.
During use, safety valve for water heater at right angle setting, and be installed on container or pipeline gas interphase boundary position, wherein water intake is communicated with intake pipe, and water outlet is communicated with the inner bag of water heater, during safety valve work, water enters from water intake, inside let out pad 35 move upward under the effect of hydraulic coupling and compress big spring 32, the lower end surface of letting out pad 35 is now separated with water intake, and water is entered valve pocket 11 and flowed to the inner bag of water heater by water outlet; Exceed when leaking setting value when intake pressure is excessive; the i.e. pre-compression force of pressure release spring 21; intake pressure compression pressure release spring 21 pushing drawing rod 20 move right and make seal boss 210 away from gasket seal 23, and open pressure relief opening 12, water is outer to protect inner bag by pressure relief opening 12 exits valve body 1.
When intake pipe is cut off the water supply, the water in water heater liner is back in valve pocket 11, and under the hydraulic coupling now in valve pocket 11, let out pad 35 and close water intake in big spring seat 32 pressing downwards, refluxing to prevent water enters in intake pipe.
When water heater starts after to the water heating in inner bag, inner bag temperature raises, pressure constantly raises, if in the process pressure rise sharply or naturally heating make inner liner pressure reach in let out setting value, the i.e. pre-compression force of little spring 33, overpressure just can promote spool 30 and moves downward and open water intake, and inner bag overpressure (hot water) is permeated in intake pipe, makes inner liner pressure return to safety standard and normally works.If pressure is still too high and reach when leaking setting value when interior letting out; the i.e. pre-compression force of pressure release spring 21; pressure compression pressure release spring 21 pushing drawing rod 20 move right and make seal boss 210 away from gasket seal 23; open pressure relief opening 12, water is outer to protect inner bag by pressure relief opening 12 exits valve body 1.
When the manual pressure release of needs, pull handle 4 and the seal boss 210 of pull bar 20 is separated with gasket seal 23, can pressure release be realized, the inner bag of protection water heater.
The intermediate portion structure of the pressure release assembly in the New-type safety valve in the utility model is positioned at valve pocket 11, i.e. most pull bar 20, pressure release spring 21 and pressure regulation cap 22 are all positioned at valve pocket 11, and pressure release component integration structure of the prior art is all positioned at pressure-releasing chamber, the namely outside of valve pocket, add the horizontal width of valve body, and the structure of safety valve in the utility model makes valve pocket 11 inner space be fully used, compared with prior art, substantially reduce the radial width of valve body 1, reduce the integrally-built size of safety valve, add the compactedness of structure, reduce the weight of fabricating cost and safety valve.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto, is familiar with this those skilled in the art and should be understood that the content that the utility model includes but not limited to accompanying drawing and describes in embodiment above.Any amendment not departing from function and structure principle of the present utility model all will comprise within the scope of the appended claims.
Claims (5)
1. a safety valve for water heater, comprise valve body, mangetic core assembly, pressure release assembly and handle, described valve body comprises valve pocket, the two ends of described valve pocket are provided with water intake and water outlet, described mangetic core assembly to be arranged in valve pocket and opening and closing for controlling water intake, it is characterized in that: the bilateral symmetry of described valve body is provided with the mount inlet and pressure relief opening that are communicated with valve pocket, described mangetic core assembly comprises pull bar, one end and the pressure relief opening of described pull bar are tightly connected, and the other end laterally runs through valve pocket and is connected with handle through mount inlet.
2. a kind of safety valve for water heater according to claim 1, it is characterized in that: the pressure regulation cap that described pressure release assembly also comprises gasket seal, pressure release spring and is connected with pull rod screw, the inwall of described pressure relief opening is provided with positive stop lug boss, described gasket seal is arranged on the outside of positive stop lug boss, described pressure release pressure mounting of the spring inside pressure regulation cap and positive stop lug boss between, one end of described pull bar is provided with the seal boss offseted with gasket seal, is provided with sealing configuration between the described the other end and mount inlet.
3. a kind of safety valve for water heater according to claim 2, it is characterized in that: described sealing configuration comprises sealing seat, inner seal ring and exterior seal ring, the inwall of described mount inlet is provided with mounting groove, described sealing seat is assemblied in mounting groove, described inner seal ring is arranged between sealing seat inwall and pull bar outer wall, and described exterior seal ring is arranged between sealing seat outer wall and mounting groove inwall.
4. a kind of safety valve for water heater according to claim 3, is characterized in that: be also fixedly connected with the snap ring offseted with sealing seat outer side surface in described mount inlet.
5. according to a kind of safety valve for water heater one of Claims 1-4 Suo Shu, it is characterized in that: described mangetic core assembly comprises spool and is connected to the clamping piece in valve pocket, the top of described spool is through clamping piece, pad, spring seat, little spring and big spring are let out in being provided with successively in spool periphery, big spring is fitted between clamping piece and spring seat, little spring is fitted between spool shaft shoulder face and spring seat, lets out pad and be arranged on bottom spring seat and between water intake in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004994.0U CN205190857U (en) | 2015-12-07 | 2015-12-07 | Safety valve for water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004994.0U CN205190857U (en) | 2015-12-07 | 2015-12-07 | Safety valve for water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205190857U true CN205190857U (en) | 2016-04-27 |
Family
ID=55783847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521004994.0U Expired - Fee Related CN205190857U (en) | 2015-12-07 | 2015-12-07 | Safety valve for water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205190857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2015
- 2015-12-07 CN CN201521004994.0U patent/CN205190857U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109210241B (en) * | 2017-07-03 | 2024-02-23 | 芜湖美的厨卫电器制造有限公司 | Safety valve and water heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311835 no.689 Jiefang Road, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Huayi Precision Machinery Co.,Ltd. Address before: 311835 no.689 Jiefang Road, Diankou Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG HUAYI PRECISION MACHINERY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20211207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |