CN201909036U - Anti-freezing valve with function of temperature control - Google Patents
Anti-freezing valve with function of temperature control Download PDFInfo
- Publication number
- CN201909036U CN201909036U CN2010206661607U CN201020666160U CN201909036U CN 201909036 U CN201909036 U CN 201909036U CN 2010206661607 U CN2010206661607 U CN 2010206661607U CN 201020666160 U CN201020666160 U CN 201020666160U CN 201909036 U CN201909036 U CN 201909036U
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- valve
- temperature control
- function
- antifreezing
- ring
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Abstract
The utility model relates to a temperature control valve, in particular to an anti-freezing valve with the function of temperature control, which comprises a valve pipe joint, a valve body and a lower valve cover, wherein the valve pipe joint is connected with one end of the valve body by screw thread; the lower valve cover is connected with the other end of the valve body by screw thread; the valve body is internally provided with an inner cavity of the valve; the inner cavity of the valve is internally provided with a temperature sensor and a valve seat; temperature sensing material is arranged on the temperature sensor at the position close to one end of the valve pipe joint; a valve rod is connected on the temperature sensor at the position close to one end of the lower valve cover; the valve rod is connected with a valve core which is connected with a sealing gasket; and the valve seat is connected with the lower valve cover by screw thread. The anti-freezing valve with the function of temperature control improves the working way of a valve opening spring, the valve opening spring is installed in the valve seat, and the valve core is driven to open the valve by a driving valve rod, so that the diameters of the valve core and the sealing gasket are greatly increased to the utmost extent, the aperture of a water inlet is possibly enlarged, and the problem of freezing resistance is avoided.
Description
Technical field
The utility model relates to a kind of temperature control valve, relates in particular to a kind of antifreezing valve with function of temperature control.
Background technique
The self-powering type antifreezing valve is a kind of water delivery, antifreeze valves of water storage system such as hydraulic system, pipeline, container of being used for, be widely used in industrial and agricultural production and the daily life, as: solar water heater water-storage, water-carriage system, town and country water system, environmental sanitation system, waterworks for firefighting, harbour, the public engineer system of the water charging system of railway etc., oil, chemical industry, smelting etc., the pipeline of special vehicles such as train, fire-fighting, watering, water tank and equipment etc. antifreeze.
One of important method that water deliverys such as hydraulic system, pipeline, container, water storage system are antifreeze is exactly a mounted valve and when temperature reduces in system, opens valve and allows wherein low temperature water flows out to reach antifreeze purpose.Existing self-powering type antifreezing valve utilizes heat responsive elements such as thermometer bulb, memory metal to produce mechanical displacement control seal element opening/shutting valve under setting temperature.General this class antifreezing valve comprises: can be connected to the water inlet that is fit to bore in the system, water outlet, black box, valve body, heat responsive element (thermometer bulb, memory metal etc.), valve rod, with the bias spring of heat responsive element acting in conjunction opening/shutting valve etc.In this antifreezing valve, be placed on and the valve opening spring shackle of black box the same side around between the outside and valve cavity of black box, after being compressed between valve port and the valve rod, form active force driving Sealing and open valve, so regularly at valve cavity diameter one, limited black box sealing gasket diameter, thereby limited the diameter of valve water intake, finally limited the rate-of flow of whole antifreezing valve, make antifreezing valve under extremely harsh environment, can not discharge enough low temperature water, freeze the resistance phenomenon and antifreezing valve is easy to generate.In addition, the water inlet of antifreezing valve and black box are at same end, and the pressure two power sums that the temp-sensitive apparatus retaining spring in the waterexit end must overcome sealed end valve opening spring pressure and medium (water) just can make antifreezing valve close fully.This structure has two shortcomings: first: the antifreezing valve maximum service pressure is limited by the pressure of temp-sensitive apparatus retaining spring: antifreezing valve maximum service pressure＜=temp-sensitive apparatus retaining spring pressure-valve opening spring pressure.Second: higher in temperature, temp-sensitive apparatus bearing load power was very big when antifreezing valve was in closed condition: temp-sensitive apparatus loading force=temp-sensitive apparatus retaining spring pressure=valve opening spring pressure+medium (water) pressure.Than under the large-load force, obviously reduce the working life of temp-sensitive apparatus.In addition, the waterexit end of this antifreezing valve does not have interface or water nozzle water conservancy diversion, and the water that frost valve flows out may arbitrarily trickle, and makes troubles for the use of frost valve.
The model utility content
The entry bore that the present invention is directed to existing antifreezing valve is little, and underfed is easy to generate the deficiency of the problem of freezing resistance, and a kind of antifreezing valve with function of temperature control is provided.
The technological scheme that the utility model solves the problems of the technologies described above is as follows: a kind of antifreezing valve with function of temperature control comprises valve tube joint, valve body and valve lower cover, the threaded one end of described valve tube joint and valve body is connected, and the other end of described valve lower cover and valve body is threaded; Have valve cavity in the described valve body, be provided with temp-sensitive apparatus and valve seat in the described valve cavity; Described temp-sensitive apparatus is equipped with temperature sensing material near an end of valve tube joint, and described temp-sensitive apparatus is connected with valve rod near an end of valve lower cover, and described valve rod is connected with spool, and described spool is connected with sealing gasket; Be threaded between described valve seat and the valve lower cover, be equipped with the valve opening spring on the described valve rod, the described valve rod that is equipped with the valve opening spring wore the bottom of valve seat, and described valve opening spring is positioned at the inside of valve seat; The position structure that has ring-type on the inwall of described valve cavity, described position structure is provided with back-up ring, is provided with retaining spring between described valve tube joint and the back-up ring.
The beneficial effects of the utility model are: the antifreezing valve that the utlity model has function of temperature control has improved the working method of valve opening spring, the design and installation of valve opening spring in valve seat, drive the spool Open valve by actuate valve stem, strengthened the diameter of spool and sealing gasket to greatest extent, thereby might add the bore of steamer connection, thereby avoid producing the problem of freezing resistance.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, be connected with the annular projection structure on the inner ring of described back-up ring near an end of temp-sensitive apparatus.
Further, have a plurality of water ports on the described back-up ring.
Described annular projection structure can make and produce enough gaps between temp-sensitive apparatus and the back-up ring water port, effectively increases water flow, can eliminate the valve flow bottleneck.
Further, the bottom of described valve seat has a plurality of water ports.
The flow bottleneck of valve internal can be eliminated in water port on the described valve seat.
Further, an end of described valve tube joint and valve body links to each other by the O-ring seals sealing.
Further, the other end of described valve lower cover and valve body links to each other by the O-ring seals sealing.
Further, be provided with the annular projection structure between described valve lower cover and the sealing gasket.
Described annular projection structure helps forming effective sealing configuration.
Further, cover under the described valve and have drainage interface.
Described discharge structure can be outside thread interface, internal thread interface or water nozzle.
Description of drawings
Fig. 1 is the structural representation that the utlity model has the antifreezing valve of function of temperature control.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
Fig. 1 is the structural representation that the utlity model has the antifreezing valve of function of temperature control.As shown in Figure 1, described antifreezing valve 18 with function of temperature control comprises valve tube joint 1, valve body 5 and valve lower cover 11, and the threaded one end of described valve tube joint 1 and valve body 5 is connected, and the other end of described valve lower cover 11 and valve body 5 is threaded; Have valve cavity 4 in the described valve body 5, be provided with temp-sensitive apparatus 6 and valve seat 10 in the described valve cavity 4; Described temp-sensitive apparatus 6 is equipped with temperature sensing material 7 near an end of valve tube joint 1, described temp-sensitive apparatus 6 is connected with valve rod 3 near an end of valve lower cover 11, described valve rod is connected with spool 9, be threaded between described valve seat 10 and the valve lower cover 11, be equipped with valve opening spring 12 on the described valve rod 3, the described valve rod 3 that is equipped with valve opening spring 12 wore the bottom of valve seat 10; The position structure 20 that has ring-type on the inwall of described valve cavity 4, described position structure 20 is provided with back-up ring 13, is provided with retaining spring 19 between described valve tube joint 1 and the back-up ring 13.Described retaining spring 19 when valve opening and the position structure 20 of ring-type finish jointly the location of temp-sensitive apparatus 6 at valve cavity 4.Leave enough spaces between described valve seat 10 and valve opening spring 12, the valve rod 3, to increase water flow.
Be connected with the annular projection structure on the inner ring of described back-up ring 13 near an end of temp-sensitive apparatus 6.Have a plurality of water ports 16 on the described back-up ring 13.The bottom of described valve seat 10 has a plurality of water ports 15.One end of described valve tube joint 1 and valve body 5 links to each other by O-ring seals 2 sealings.The other end of described valve lower cover 11 and valve body 5 links to each other by O-ring seals 14 sealings.Be provided with annular projection structure 17 between described valve lower cover 11 and the sealing gasket 8, described annular projection structure 17 helps effectively forming linear sealing with sealing gasket 8.Has drainage interface on the described valve lower cover 11, convenient medium (water) channeling conduct, disposal to discharging.
The utility model temp-sensitive apparatus 6 moves forward contact to form with valve lower cover 11 and seals throttle down thereby drive temp-sensitive apparatus front end valve rod 3 linkage spools 9 and sealing gasket 8 when perception medium (water) temperature is higher than setting temperature; When temp-sensitive apparatus 6 perception mediums (water) temperature was lower than setting temperature, the temperature sensing material structure was shunk.Move away valve lower cover 11 backward and open valve thereby be pushed rearward back temp-sensitive apparatus 6 front end linkage spools 9 and Sealing 8, make medium (water) discharge valve under the certain pressure effect of valve cavity at valve opening spring 12 effect lower valve rods 3.
Described retaining spring is between valve tube joint and back-up ring, can be when medium (water) pressure be big, the retaining spring that working pressure is less, just can make antifreezing valve be in closed condition, this pressure that makes retaining spring when the antifreezing valve with function of temperature control is closed and the coherence of the pressure of medium (water) reduce greatly, reduced antifreezing valve maximum service pressure with function of temperature control receptance to pipeline medium (water) pressure, the pressure medium that antifreezing valve with function of temperature control be can bear when work significantly promotes, simultaneously also reduce the loading force that temp-sensitive apparatus need bear, significantly improved the working life of temp-sensitive apparatus.
This valve water in-out port also can be exchanged use.This moment, temp-sensitive apparatus 6 was mainly according to the ambient temperature Open valve, to reach some system to antifreeze specific (special) requirements.At this moment the antifreezing valve maximum service pressure can reduce, and it depends on the pressure difference of retaining spring and valve opening spring.Utilize valve opening and closing state and this characteristic of valve retaining spring pressure correlation, also can in same valve, realize, the jointly controlling of pressure temperature.To satisfy the specific demand of some application.
When receiving water delivery, water storage systems such as pipeline, container as water inlet when valve lower cover 11, before valve 17 was opened, temp-sensitive apparatus 6 sense temperature were not the temperature of medium (water), and sense temperature is more near ambient temperature.When temp-sensitive apparatus 6 sense temperature were lower than setting temperature, valve will be opened, and medium this moment (water) can flow valve inner chamber 4.In cold season, ambient temperature is lower than the temperature of water delivery, water storage system medium (water) usually.Medium (water) flow valve inner chamber 4 when the temperature of temp-sensitive apparatus 6 perception mediums (water) is higher than setting temperature, moves forward contact to form with valve lower cover 11 and seals throttle down thereby drive temp-sensitive apparatus front end valve rod 3 linkage spools 9 and sealing gasket 8.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. antifreezing valve with function of temperature control, it is characterized in that, described antifreezing valve with function of temperature control comprises valve tube joint, valve body and valve lower cover, and the threaded one end of described valve tube joint and valve body is connected, and the other end of described valve lower cover and valve body is threaded; Have valve cavity in the described valve body, be provided with temp-sensitive apparatus and valve seat in the described valve cavity; Described temp-sensitive apparatus is equipped with temperature sensing material near an end of valve tube joint, and described temp-sensitive apparatus is connected with valve rod near an end of valve lower cover, and described valve rod is connected with spool, and described spool is connected with sealing gasket; Be threaded between described valve seat and the valve lower cover, be equipped with the valve opening spring on the described valve rod, the described valve rod that is equipped with the valve opening spring wore the bottom of valve seat, and described valve opening spring is positioned at the inside of valve seat; The position structure that has ring-type on the inwall of described valve cavity, described position structure is provided with back-up ring, is provided with retaining spring between described valve tube joint and the back-up ring.
2. the antifreezing valve with function of temperature control according to claim 1 is characterized in that, is connected with the annular projection structure on the inner ring of described back-up ring near an end of temp-sensitive apparatus.
3. the antifreezing valve with function of temperature control according to claim 1 is characterized in that, has a plurality of water ports on the described back-up ring.
4. the antifreezing valve with function of temperature control according to claim 1 is characterized in that the bottom of described valve seat has a plurality of water ports.
5. the antifreezing valve with function of temperature control according to claim 1 is characterized in that, an end of described valve tube joint and valve body links to each other by the O-ring seals sealing.
6. the antifreezing valve with function of temperature control according to claim 1 is characterized in that, the other end of described valve lower cover and valve body links to each other by the O-ring seals sealing.
7. the antifreezing valve with function of temperature control according to claim 1 is characterized in that, is provided with the annular projection structure between described valve lower cover and the sealing gasket.
8. the antifreezing valve with function of temperature control according to claim 1 is characterized in that, covers under the described valve to have drainage interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206661607U CN201909036U (en) | 2010-12-17 | 2010-12-17 | Anti-freezing valve with function of temperature control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206661607U CN201909036U (en) | 2010-12-17 | 2010-12-17 | Anti-freezing valve with function of temperature control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201909036U true CN201909036U (en) | 2011-07-27 |
Family
ID=44301237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206661607U Expired - Fee Related CN201909036U (en) | 2010-12-17 | 2010-12-17 | Anti-freezing valve with function of temperature control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201909036U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865409A (en) * | 2012-09-26 | 2013-01-09 | 无锡市诚信洗选设备有限公司 | Valve seat of temperature control valve |
| CN104344032A (en) * | 2014-11-13 | 2015-02-11 | 福建南方路面机械有限公司 | Freeze protection check valve for liquid delivery pipeline |
| CN109183904A (en) * | 2018-09-05 | 2019-01-11 | 浙江伟星新型建材股份有限公司 | One kind being used for freezing prevention tubing temperature-sensitive water nozzle |
-
2010
- 2010-12-17 CN CN2010206661607U patent/CN201909036U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865409A (en) * | 2012-09-26 | 2013-01-09 | 无锡市诚信洗选设备有限公司 | Valve seat of temperature control valve |
| CN102865409B (en) * | 2012-09-26 | 2014-08-20 | 江苏高博智融科技有限公司 | Valve seat of temperature control valve |
| CN104344032A (en) * | 2014-11-13 | 2015-02-11 | 福建南方路面机械有限公司 | Freeze protection check valve for liquid delivery pipeline |
| CN109183904A (en) * | 2018-09-05 | 2019-01-11 | 浙江伟星新型建材股份有限公司 | One kind being used for freezing prevention tubing temperature-sensitive water nozzle |
| CN109183904B (en) * | 2018-09-05 | 2024-04-02 | 临海伟星新型建材有限公司 | Be used for pipeline to prevent frostbite to feel water injection well choke |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110727 Termination date: 20111217 |