CN202140624U - Automatic protective valve for frozen explosion of pipeline in water heater - Google Patents
Automatic protective valve for frozen explosion of pipeline in water heater Download PDFInfo
- Publication number
- CN202140624U CN202140624U CN201120285735U CN201120285735U CN202140624U CN 202140624 U CN202140624 U CN 202140624U CN 201120285735 U CN201120285735 U CN 201120285735U CN 201120285735 U CN201120285735 U CN 201120285735U CN 202140624 U CN202140624 U CN 202140624U
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- water heater
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Abstract
The utility model discloses an automatic protective valve for frozen explosion of a pipeline in a water heater which comprises a valve body, and is characterized in that the valve body is internally divided into a piston cavity and a check vale cavity which are communicated with each other by an interlayer with a through hole; the piston cavity is internally provided with a piston which divides the cavity into a front piston cavity and a rear piston cavity; a water inlet is arranged on the front piston cavity opposite to the side surface of the piston, and a water outlet is arranged on the front piston cavity opposite to the front end surface of the piston; a spring is arranged between the rear end surface of the rear piston cavity and the interlayer; the check valve cavity is internally divided into an upper valve cavity and a lower valve cavity which are respectively provided with a hot water inlet and a hot water outlet; a check valve core is arranged between the upper valve cavity and the lower valve cavity; a pressure spring is sheathed on a check valve rod, and the lower end of the pressure spring is positioned; and the through hole of the interlayer is communicated with the lower valve cavity. The automatic water heater internal pipeline frozen explosion protection valve can prevent a great amount of tap water from flooding after a pipeline in a water heater, which is frozen to explode; and the structure is simple, the processing is easy, and the cost is not high, so that the valve can be widely applied to various heaters.
Description
Technical field
The utility model relates to water heater, and particularly a kind of water heater interior conduit freezes quick-fried automatic protection valve.
Background technique
After existing water heater used, people often only turned off the other ball valve of gondola water faucet, and tap water and water heater are normal opens, after running into the strong cold air invasion; Temperature sharply descends, particularly at northern area during winter, after water heater uses; Can expand after remaining moisture content is chilled to and freezes in its interior conduit, the quick-fried water heater interior conduit that can rise when serious is after temperature rise ice-melt; Just have a large amount of tap water and gush out, even meeting water logging household, bigger loss caused.
Summary of the invention
The purpose of the utility model is the shortcoming that overcomes above-mentioned existing technology, provides a kind of water heater interior conduit that can prevent effectively that the water heater interior conduit from being frozen tap water pours out after the explosion to freeze quick-fried automatic protection valve.
The technological scheme that realizes the utility model purpose is; A kind of water heater interior conduit freezes quick-fried automatic protection valve; Comprise valve body, it is characterized in that said valve body is interior by having piston cavity and the unidirectional valve pocket that the interlayer that connects aperture is divided into connection; Be provided with piston in the said piston cavity with being divided into piston ante-chamber and piston back cavity in the chamber; On said piston ante-chamber, be provided with water intake,, be provided with spring between piston rear end face in the piston back cavity and the interlayer being provided with water outlet with piston nose face opposite position with piston side opposite position; Be divided into valve epicoele and valve cavity of resorption in the said unidirectional valve pocket, be respectively equipped with water inlet of hot water and hot water outlet on said valve epicoele and the valve cavity of resorption, nonreturn valve core is located between valve epicoele and the valve cavity of resorption, is equipped with the pressure spring that the lower end is positioned on the one-way valve valve rod; The perforation aperture of said interlayer communicates with the valve cavity of resorption.
For making the piston ante-chamber that certain volume arranged, said piston is a step-like structure, and the diameter of piston nose is less than the diameter of piston rear end.
Be provided with seal ring between above-mentioned piston rear end and the piston cavity inwall.
For piston can be moved smoothly, on piston, be provided with the aperture that connects piston ante-chamber and piston back cavity.
Be provided with stationary grate in the above-mentioned one-way valve cavity of resorption, said pressure spring two ends are spacing respectively on nonreturn valve core and stationary grate.
When the utility model uses; Water intake on the said piston ante-chamber is connected with running water pipe; Water outlet is connected with water inlet tube of water heater, and the outlet pipe of water heater is connected with the water inlet of hot water of one-way valve epicoele, and the hot water outlet of one-way valve cavity of resorption is connected with the gondola water faucet ball valve.Tap water gets into the piston ante-chamber from the piston cavity water intake, and source pressure is during greater than piston back cavity inner spring pressure, and then piston can be passed backward; The water outlet of piston ante-chamber is opened as a result, and at this moment the water source to the heater inleting pipe, gets into the water heater heating through this water outlet, external pipe; From water heater outlet; External pipe flow to the water inlet of hot water of one-way valve epicoele, and at this moment source pressure has overcome the elastic force of valve rod upward pressure spring, and nonreturn valve core is pushed downwards out; The hot water source just flow to the valve cavity of resorption, arrives ball valve through externally connected pipe.
When using water heater, only need to open ball valve, discharge from gondola water faucet by own pressure at once at the water source of one-way valve cavity of resorption; Cavity pressure is eliminated under the one-way valve; Because the piston back cavity communicates with the one-way valve cavity of resorption through aperture, so cavity pressure is eliminated behind the piston, and this moment, piston ante-chamber source pressure overcame the pressure of spring; Piston moves after again, and the water source flows to from running water pipe; Because the ball valve of this moment is opened, then tap water can constantly be heated from gondola water faucet and discharge, and has realized using the process of water heater.
When ball valve be in by the time, current stop, water flow pressure equates that everywhere nonreturn valve core relies on pressure spring pressure up to push up as a result, closes the one-way valve shutoff in this moment automatic protection valve; Piston relies on spring pressure to move forward, and the shutoff of piston ante-chamber water outlet, whole system is in dormant state.
Even cold rise manage in the water heater quick-friedly, the water source is turned off because of the shutoff of piston ante-chamber water outlet, has prevented after the ice-melt water source gushing out from running water pipe, becomes the automatic protection behind the water heater junk.
The beneficial effect of the utility model is, utilizes the cooperation of piston valve and one-way valve, when making water-heater system be in dormant state, can be automatically turn-offs the water seal in the running water pipe is stifled, can effectively prevent the water heater interior conduit frozen explosion after tap water pour out; The utility model is simple in structure, easy processing, and cost is not high, can be widely used among various types of water heaters.
Description of drawings
Fig. 1 is the utility model and structural representation after water heater is connected.
Embodiment
Below in conjunction with accompanying drawing and embodiment the embodiment of the utility model is further specified.
As shown in Figure 1, the utility model is that a kind of water heater interior conduit freezes quick-fried automatic protection valve, comprises valve body, it is characterized in that, is divided into piston cavity and the unidirectional valve pocket that is interconnected by having the interlayer 19 that connects aperture 18 in the said valve body, and two chambeies are one-body molded; Be provided with piston 4 in the said piston cavity with being divided into piston ante-chamber 2 and piston back cavity 6 in the chamber; On said piston ante-chamber 2, be provided with water intake 1 with piston 4 side opposite positions; Being provided with water outlet 3, be provided with spring 5 between piston rear end face in piston back cavity 6 and the interlayer 19 with piston nose face opposite position; Be divided into valve epicoele 9 and valve cavity of resorption 12 in the said unidirectional valve pocket; Be respectively equipped with water inlet of hot water 20 and hot water outlet 21 on said valve epicoele 9 and the valve cavity of resorption 12; Nonreturn valve core 10 is located between valve epicoele 9 and the valve cavity of resorption 12; Be provided with stationary grate 16 in the said one-way valve cavity of resorption 12, stationary grate 16 can let current pass smoothly, is equipped with pressure spring 11 on the one-way valve valve rod; Said pressure spring 11 two ends are spacing respectively on nonreturn valve core and stationary grate 16.The perforation aperture 18 of said interlayer 19 communicates with valve cavity of resorption 12.
For making piston ante-chamber 2 that certain volume arranged, said piston 4 is a step-like structure, and the diameter of piston nose is less than the diameter of piston rear end; Be provided with seal ring 22 between piston 4 rear ends and the piston cavity inwall.For piston 4 can be moved in the water in piston cavity smoothly, on piston 4, be provided with the aperture 17 that connects piston ante-chamber 2 and piston back cavity 6, aperture 17 can make small amount of water circulate therein.
When the utility model uses; Water intake 1 on the said piston ante-chamber 2 is connected with running water pipe; Water outlet 3 is connected with water inlet tube of water heater 7; The outlet pipe 8 of water heater is connected with the water inlet of hot water 20 of one-way valve epicoele 9, and the hot water outlet 21 of one-way valve cavity of resorption 12 is connected with gondola water faucet ball valve 13.Tap water gets into piston ante-chamber 2 from piston cavity water intake 1, and source pressure is during greater than piston back cavity 6 inner springs 5 pressure, and then piston 4 can be passed backward; The water outlet 3 of piston ante-chamber 2 is opened as a result, and at this moment the water source to heater inleting pipe 7, gets into the water heater heating through this water outlet 3, external pipe; From water heater outlet 8; External pipe flow to the water inlet of hot water 20 of one-way valve epicoele 9, and at this moment source pressure has overcome the elastic force of valve rod upward pressure spring 11, and nonreturn valve core 10 is pushed downwards out; The hot water source just flow to valve cavity of resorption 12, arrives ball valve 13 through externally connected pipe.
When using water heater, only need to open ball valve 13, discharge from gondola water faucet 14 by own pressure at once at the water source of one-way valve cavity of resorption 12; Water pressure in the one-way valve cavity of resorption 12 is eliminated, owing to piston back cavity 6 communicates with one-way valve cavity of resorption 12 through aperture 18, therefore; Piston back cavity 6 water pressures are also eliminated; This moment, piston ante-chamber 2 source pressure overcame the pressure of spring 5, and piston 4 moves after again, and the water source flows to from running water pipe; Because the ball valve 13 of this moment has been opened, then tap water can constantly be heated from gondola water faucet 14 and discharge, and has realized using the process of water heater.
When ball valve 13 be in by the time, current stop, water flow pressure equates that everywhere nonreturn valve core 10 relies on pressure springs 11 pressure up to push up as a result, closes the one-way valve shutoff in this moment automatic protection valve; Piston 4 relies on spring 5 pressure to move forward, and water outlet 3 shutoff of piston ante-chamber 2, whole system is in dormant state.
When dormant state, even cold rise manage in the water heater quick-friedly, the water source is turned off because of the shutoff of piston ante-chamber 2 water outlets 3, has prevented after the ice-melt water source gushing out from running water pipe, becomes the automatic protection behind the water heater junk.
The utility model utilizes the cooperation of piston valve and one-way valve, when making water-heater system be in dormant state, can be automatically turn-offs the water seal in the running water pipe is stifled, can effectively prevent the water heater interior conduit frozen explosion after tap water pour out; The utility model is simple in structure, easy processing, and cost is not high, can be widely used among various types of water heaters.
Claims (5)
1. a water heater interior conduit freezes quick-fried automatic protection valve; Comprise valve body; It is characterized in that; By having piston cavity and the unidirectional valve pocket that the interlayer (19) that connects aperture (18) is divided into connection, be provided with piston (4) in the said piston cavity with being divided into piston ante-chamber (2) and piston back cavity (6) in the chamber in the said valve body, on said piston ante-chamber (2) and piston (4) side opposite position be provided with water intake (1); Being provided with water outlet (3), be provided with spring (5) between piston (4) ear end face in piston back cavity (6) and the interlayer (19) with piston (4) front-end face opposite position; Be divided into valve epicoele (9) and valve cavity of resorption (12) in the said unidirectional valve pocket; Be respectively equipped with water inlet of hot water (20) and hot water outlet (21) on said valve epicoele (9) and the valve cavity of resorption (12); Nonreturn valve core (10) is located between valve epicoele (9) and the valve cavity of resorption (12), is equipped with the pressure spring (11) that the lower end is positioned on the one-way valve valve rod; The perforation aperture (18) of said interlayer (19) communicates with valve cavity of resorption (12).
2. water heater interior conduit according to claim 1 freezes quick-fried automatic protection valve, it is characterized in that, said piston (4) is a step-like structure, and the diameter of piston nose is less than the diameter of piston rear end.
3. water heater interior conduit according to claim 2 freezes quick-fried automatic protection valve, it is characterized in that, is provided with seal ring (22) between said piston (4) rear end and the piston cavity inwall.
4. water heater interior conduit according to claim 3 freezes quick-fried automatic protection valve, it is characterized in that, on said piston (4), is provided with the aperture (17) that connects piston ante-chamber (2) and piston back cavity (6).
5. water heater interior conduit according to claim 1 freezes quick-fried automatic protection valve; It is characterized in that; Be provided with stationary grate (16) in the said one-way valve cavity of resorption (12), said pressure spring (11) two ends are spacing respectively on nonreturn valve core (10) and stationary grate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120285735U CN202140624U (en) | 2011-08-08 | 2011-08-08 | Automatic protective valve for frozen explosion of pipeline in water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120285735U CN202140624U (en) | 2011-08-08 | 2011-08-08 | Automatic protective valve for frozen explosion of pipeline in water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202140624U true CN202140624U (en) | 2012-02-08 |
Family
ID=45551682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120285735U Expired - Lifetime CN202140624U (en) | 2011-08-08 | 2011-08-08 | Automatic protective valve for frozen explosion of pipeline in water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202140624U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252115A (en) * | 2011-08-08 | 2011-11-23 | 袁振华 | Automatic-protection valve for frozen burst of inner pipe of water heater |
| CN103195996A (en) * | 2013-04-25 | 2013-07-10 | 苏州铉动三维空间科技有限公司 | Pipeline |
-
2011
- 2011-08-08 CN CN201120285735U patent/CN202140624U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252115A (en) * | 2011-08-08 | 2011-11-23 | 袁振华 | Automatic-protection valve for frozen burst of inner pipe of water heater |
| CN102252115B (en) * | 2011-08-08 | 2013-01-09 | 袁振华 | Automatic-protection valve for frozen burst of inner pipe of water heater |
| CN103195996A (en) * | 2013-04-25 | 2013-07-10 | 苏州铉动三维空间科技有限公司 | Pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120208 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |