CN2713244Y - Safety valve for water heater with preset constant temperature outlet - Google Patents
Safety valve for water heater with preset constant temperature outlet Download PDFInfo
- Publication number
- CN2713244Y CN2713244Y CN 200420047315 CN200420047315U CN2713244Y CN 2713244 Y CN2713244 Y CN 2713244Y CN 200420047315 CN200420047315 CN 200420047315 CN 200420047315 U CN200420047315 U CN 200420047315U CN 2713244 Y CN2713244 Y CN 2713244Y
- Authority
- CN
- China
- Prior art keywords
- valve
- outlet
- water
- constant temperature
- preset constant
- 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
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Abstract
The utility model discloses a safety valve for water heater with preset constant temperature outlet which contains a valve body and outlets and inlets of the cold water and hot water and characterized in that the outlets and inlets of the cold water and hot water are arranged on the one-body preset constant temperature outlet valve. The inner one-body preset constant temperature outlet valve is provided with a mixing chamber, the inner mixing chamber is provided with a valve, and the corresponding side of the valve is provided with a heat expansion piston. The mixing chamber can be communicated with the hot water inlet by a by-pass channel, the back of the heat expansion piston exists a variable water flow channel with the hot water outlet, and the cool water inlet is communicated with the back and the cool water outlet of the valve. Fixing nuts are welded in the outlets and inlets of the cold water and hot water of the valve to form an external seal type, or fixing nuts are welded in the inlet of the cold water and the outlet of the hot water, and the other end is a communication pipe which connects a water heater to form a built-in type valve.
Description
Technical field
The utility model relates to preset constant temperature outlet water heater safety valve.
Background technique
In general, water heater generally adopts common mixing valve to adjust coolant-temperature gage, or adopts flow promoter regulator, or adopts temperature-control adjustment device, and there is following drawback in prior art:
1, because of making the current temperature, heating equipment usually lags behind the accuracy that influence is regulated.
2, the difference in size of current makes the fluctuation of mixing temperature bigger, also can influence regulating effect to a certain extent.
3, in a single day the current temperature overheating takes place, human body will be scalded.
The utility model content
The purpose of this utility model is to connect for a kind of preset constant temperature outlet water heater safety valve.
Above-mentioned purpose of the present utility model adopts following technological scheme to be achieved:
Preset constant temperature outlet water heater safety valve comprises valve body and hot and cold water intake-outlet, and it is characterized in that: described hot and cold water intake-outlet is fixedly set on the consubstantiality preset constant temperature outlet valve.
Establish mixing chamber in the described consubstantiality preset constant temperature outlet valve, be provided with valve in described mixing chamber one side, relative side at described valve is provided with the thermal expansion piston, and there are the variable water flow passage in the rear portion of thermal expansion piston and hot water outlet, and cooling water inlet communicates with the rear portion and the cooling water outlet of valve.
Described mixing chamber communicates with water inlet of hot water by bypass channel.
Described valve hot and cold water intake-outlet all is welded with set screw nut, constitutes the external mounted valve, perhaps,
Described valve cold water inlet and hot water outlet all are welded with set screw nut, and the other end constitutes the built-in type valve for connecting the connecting tube of water heater.
Because the utility model has adopted technique scheme, thereby can utilize the thermal expansion piston in valve, to be subjected to displacement according to the variation of water temperature, regulate the relative discharge of hot and cold water, when water temperature is overheated, the thermal expansion piston can seal hot water must through bypass channel, cold water flows in the water heater by cold water inlet, and the water temperature in the water heater is descended.
Description of drawings
A kind of external mounted valve mechanism schematic representation that Fig. 1 selects for the utility model
A kind of built-in type valve mechanism schematic representation that Fig. 2 selects for the utility model
Embodiment
Below in conjunction with Fig. 1,2 in detail the utility model is described in detail
The utility model concrete structure is as follows:
Preset constant temperature outlet water heater safety valve comprises valve body and hot and cold water intake-outlet, and it is characterized in that: described hot and cold water intake-outlet is fixedly set on the consubstantiality preset constant temperature outlet valve 1.
Establish mixing chamber 2 in the described consubstantiality preset constant temperature outlet valve 1, be provided with valve 3 in described mixing chamber 2 one sides, relative side at described valve 3 is provided with thermal expansion piston 4, there are variable water flow passage 8 in the rear portion of thermal expansion piston and hot water outlet 7, and cooling water inlet 9 communicates with the rear portion and the cooling water outlet 10 of valve 3.
Described mixing chamber 2 communicates with water inlet of hot water 6 by bypass channel 5.
Described valve hot and cold water intake-outlet all is welded with set screw nut 11.
Perhaps,
Described valve cold water inlet and hot water outlet all are welded with set screw nut 11, and the other end constitutes the built-in type valve for connecting the connecting tube 12 of water heater.
Claims (5)
1, preset constant temperature outlet water heater safety valve comprises valve body and hot and cold water intake-outlet, and it is characterized in that: described hot and cold water intake-outlet is fixedly set on the consubstantiality preset constant temperature outlet valve.
2, preset constant temperature outlet water heater safety valve according to claim 1, it is characterized in that: establish mixing chamber in the described consubstantiality preset constant temperature outlet valve, be provided with valve in described mixing chamber one side, relative side at described valve is provided with the thermal expansion piston, there are the variable water flow passage in the rear portion of thermal expansion piston and hot water outlet, and cooling water inlet communicates with the rear portion and the cooling water outlet of valve.
3, preset constant temperature outlet water heater safety valve according to claim 2, it is characterized in that: described mixing chamber communicates with water inlet of hot water by bypass channel.
4, preset constant temperature outlet water heater safety valve according to claim 3, it is characterized in that: described valve hot and cold water intake-outlet all is welded with set screw nut.
5, preset constant temperature outlet water heater safety valve according to claim 2, it is characterized in that: described valve cold water inlet and hot water outlet all are welded with set screw nut, and the other end constitutes the built-in type valve for connecting the connecting tube of water heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420047315 CN2713244Y (en) | 2004-06-17 | 2004-06-17 | Safety valve for water heater with preset constant temperature outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420047315 CN2713244Y (en) | 2004-06-17 | 2004-06-17 | Safety valve for water heater with preset constant temperature outlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2713244Y true CN2713244Y (en) | 2005-07-27 |
Family
ID=34872354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420047315 Expired - Fee Related CN2713244Y (en) | 2004-06-17 | 2004-06-17 | Safety valve for water heater with preset constant temperature outlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2713244Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278386A (en) * | 2016-09-18 | 2018-07-13 | 薛令斌 | Integral type three-way water mixing valve |
-
2004
- 2004-06-17 CN CN 200420047315 patent/CN2713244Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278386A (en) * | 2016-09-18 | 2018-07-13 | 薛令斌 | Integral type three-way water mixing valve |
| CN108278385A (en) * | 2016-09-18 | 2018-07-13 | 薛令斌 | The water mixing valve of built-in threeway |
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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 |