CN101649912B - Temperature-sensing valve - Google Patents
Temperature-sensing valve Download PDFInfo
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- CN101649912B CN101649912B CN2009103063196A CN200910306319A CN101649912B CN 101649912 B CN101649912 B CN 101649912B CN 2009103063196 A CN2009103063196 A CN 2009103063196A CN 200910306319 A CN200910306319 A CN 200910306319A CN 101649912 B CN101649912 B CN 101649912B
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- temperature
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Abstract
The invention provides a temperature-sensing valve belonging to the technical field of valves. The temperature-sensing valve solves the problems that when the prior temperature-sensing valve regulates flow rate, a seal ring can be worn to cause leakage easily. The temperature-sensing valve comprises a valve body with an inner valve hole, a valve rod, a valve cover and a valve core, wherein the valve core is arranged on the valve hole, the valve cover is fixed on the valve body, the inner end of the valve rod is fixedly connected with the valve core, the outer end of the valve rod passes through the valve cover and is provided with a top rod, a temperature bag controller is arranged on the top rod and is fixedly connected with the valve body, a restoration machine which can control the valve rod to reset to a position corresponding to a setting value is arranged in the valve rod, the outer end of the valve rod is provided with a seal piece which is used for covering the outer end of the valve rod, and the circumferential seal is formed between the seal piece and the valve cover. The seal piece of the valve rod completely covers moving gaps among the extension end of the valve rod, the valve rod and the valve cover, and the valve rod can not generate friction with the seal piece in a moving process. The temperature-sensing valve has good seal effect and longer service life.
Description
Technical field
The invention belongs to valve technology field, relate to a kind of thermostat valve, particularly a kind of do not have the thermostat valve that leaks outside forever.
Background technique
Existing room with the caliduct heating is adorned one usually and can be regulated the valve of hot water input size by rotation for people on caliduct, this valve is a traditional manually-operated gate.When room temperature is higher or on the low side, the rotatable switch of people starts valve rod, to dwindle or to enlarge the aperture of valve, change the influx of hot water, thereby reduce or the rising room temperature, though this General valve can play the discharge value of change hot water to reach the effect that regulates the room temperature, but it also has following problem: the changing value that can't reflect room temperature because of the manually-operated gate switch, so rotating switch repeatedly usually when transferring room temperature, be difficult to settle at one go, hysteresis quality is bigger, the user needs the long period just can experience regulating effect, and not only debug time is long, and degree of regulation is not enough.
For the thermostat valve that adaptive temperature control field specialized designs is come out just can be fine as to address the above problem.Thermostat valve can mix up valve opening with settling at one go when requiring to change desired temperature, and when the temperature departure setting value, can automatic regulating valve door aperture regulate flow, and room temperature is remained on the setting value.
Common thermostat valve mainly contains flow control valve and radiator valve is formed, the unlatching of flow control valve and by being to realize by moving up and down of valve rod and valve rod end spool, wherein the core component of radiator valve is a thermometer bulb, the variation that thermometer bulb can be responded to ambient temperature produce to be expanded or is shunk and drives valve rod and move up and down, and then regulates the aperture size of flow control valve.
Yet, along with variation of temperature, valve rod need often move up and down the size of adjusting fluid flow in the valve body, and the sealing of valve rod is to realize by the seal ring between valve rod and the valve body, valve rod moves up and down and can make the quick abrasion of seal ring many, and the time one will be caused for a long time and be leaked.Change and keep in repair very trouble, give the heating unit and, be unfavorable for the promotion and application of thermostat valve with causing inconvenience per family.
Summary of the invention
The objective of the invention is at the existing the problems referred to above of existing thermostat valve, and proposed can not take place between a kind of Sealing that seals and the valve rod thermostat valve of friction damage and good seal performance.
Purpose of the present invention can realize by following technical proposal: a kind of thermostat valve, comprise that its two ends can be connected on the pipeline and the valve body of interior band valve opening, valve rod, valve gap and be installed in spool on the valve opening, valve gap is fixed on the valve body, the inner and the spool of described valve rod are connected, the outer end is passed valve gap and is provided with a push rod, but being provided with one, this push rod can change desired temperature and automatic regulating valve bar position to keep the thermometer bulb controller of temperature constant in setting value, described thermometer bulb controller is fixedlyed connected with valve body, valve rod is provided with the may command valve rod and resets to resetting-mechanism with the setting value opposite position, it is characterized in that, the outer end of described valve rod is provided with a Sealing that the end, outer end of valve rod is covered, and forms circumferential seal between Sealing and the valve gap.
The thermometer bulb controller can rely on liquid to expand with heat and contract with cold when changing setting value and experiencing the temperature departure setting value and the liquid incompressibility acts on and drives valve core movement on the push rod, to adjust the fluid flow size through valve opening.Have on the valve gap for what valve rod stretched out and stretch out the hole, and Sealing just stretches out valve rod the part of valve gap and stretches out the hole and covers simultaneously from valve body outside, and with valve gap between the formation circumferential seal be connected.When returning to setting value, temperature rely on resetting-mechanism that valve rod and valve core reset are arrived and the corresponding position of setting value.Valve rod can not produce friction with Sealing in movement process, and sealed again of the gap portion between valve rod and the valve gap envelopes fully, does not have the problem of leakage.
In above-mentioned a kind of thermostat valve, described Sealing comprises the body of tubular and the base that above-mentioned body one end is closed, and the other end outside of body is fixed with the fixed base of an annular, and fixed base is connected with valve bonnet seal.Sealing is enclosed within the outer end of valve rod, and the base of body contacts with the outer end end face of valve rod, and the body the other end extends along valve rod, is connected with valve bonnet seal by fixed base.
In above-mentioned a kind of thermostat valve, described body axially is corrugated.Heated liquid in the thermometer bulb controller acts on the body base by push rod after expanding, and promotes stem movement, and undulatory body can axially being compressed along valve rod.
In above-mentioned a kind of thermostat valve, described body, base and fixed base three are in one-piece connection, and all adopt rubber material to be made.
In above-mentioned a kind of thermostat valve, described resetting-mechanism is a Returnning spring, and the sidepiece of valve rod is provided with block, and an end of described Returnning spring contacts with block, and the other end contacts with valve gap.Heated liquid in the thermometer bulb controller expands when promoting stem movement, and Returnning spring is compressed.When temperature returned to setting value, the liquid in the thermometer bulb controller was met cold contraction, and the active force that acts on the valve rod outer end disappears, and Returnning spring relies on elastic force to promote valve rod and resets to and the corresponding position of setting value.
In above-mentioned a kind of thermostat valve, the outside of described Sealing is socketed with a setting sleeve that is threaded with valve gap, and the end that push rod contacts with the Sealing base is inserted in the setting sleeve, and the fixed base of above-mentioned Sealing circumferentially is folded between valve gap and the setting sleeve.Be positioned cover institute of the joint of push rod and Sealing coats, and setting sleeve one end by threaded connection relation screw-in valve gap after with the clamping of the annular fixed seat between setting sleeve and the valve gap, finish sealing.
In above-mentioned a kind of thermostat valve, be provided with the tubular valve core case of one one end sealing in the described valve body, above-mentioned valve opening is arranged in the valve core case, insert from the opening end of valve core case the inner of valve rod, have the water inlet and the osculum that can be communicated with valve inleting water mouth and water outlet respectively on the described valve core case, the closed end of valve core case stretches out valve body and is provided with the controllable valve core print seat and rotates the rotary part that makes valve inleting water mouth and water outlet conducting or blocking-up around its axle center.Rotate rotary part and can drive valve core case, make valve inleting water mouth and water outlet conducting or blocking-up in the rotation process around its axle center rotation.During blocking-up, the spool dismounting can be used for change or clean.
In above-mentioned a kind of thermostat valve, be provided with seal ring between described valve core case and the valve gap.
Compared with prior art, this thermostat valve is with a Sealing at the end that valve rod stretches out valve gap, the sealing part envelopes the movement clearance between valve rod external part, valve rod and the valve gap fully, valve rod can not rub with Sealing in movement process, simultaneously can finish seal operation well again, have long advantage of good sealing effect and working life.And have dirt eliminating function, when valve inner deposition dirt, can conveniently carry out the replacing and the cleaning of corresponding component by valve core case blocking-up circulation pipeline.
Description of drawings
Fig. 1 is the structural representation of this thermostat valve.
Fig. 2 is the sectional structure schematic representation of Sealing in this thermostat valve.
Among the figure, 1, valve body; 1a, water intake; 1b, water outlet; 2, valve rod; 21, block; 3, valve gap; 4, valve core case; 4a, water inlet; 4b, osculum; 41, valve opening; 42, spool; 42a, gasket seal; 5, Sealing; 5a, body; 5b, base; 5c, fixed base; 6, setting sleeve; 7, push rod; 8, card-bit part; 9, thermometer bulb controller; 10, Returnning spring; 11, rotary part.
Embodiment
Below be specific embodiments of the invention and in conjunction with the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, this thermostat valve comprises that its two ends can be connected on the pipeline and are provided with valve body 1, the valve rod 2 of valve core case 4 in inside and are fixed on valve gap 3 on the valve body 1, valve core case 4 is the tubular of end sealing, have the water inlet 4a and the osculum 4b that are communicated with valve body 1 water intake 1a and water outlet 1b respectively on its sidewall, valve core case 4 inside have the valve opening 41 with water inlet 4a and osculum 4b connection, and spool 42 is installed on the valve opening 41.The inner of valve rod 2 and spool 42 are connected, and stretch out from the opening end of valve core case 4 outer end, are with a Sealing 5 after passing valve gap 3.The closed end of valve core case 4 stretches out valve body 1 and is provided with controllable valve core print seat 4 and rotates the rotary part 11 that makes valve body 1 water intake 1a and water outlet 1b conducting or blocking-up around its axle center.
As shown in Figure 2, Sealing 5 comprises the body 5a of tubular and the base 5b that above-mentioned body 5a one end is closed, and the base 5b of body 5a contacts with the outer end end face of valve rod 2, and the body 5a the other end extends along valve rod 2, and being fixed with the fixed base 5c of an annular in the outside, body 5a axially is corrugated.In the present embodiment, body 5a, base 5b and fixed base 5c three are in one-piece connection, and all adopt rubber material to be made.
The outside of Sealing 5 is socketed with a setting sleeve 6 that is threaded with valve gap 3, one end of one push rod 7 extend in the setting sleeve 6 and contacts with the base 5b of Sealing 5, and and setting sleeve 6 between have and prevent that the card-bit part 8 that push rod 7 breaks away from setting sleeves 6 back-offs from carrying out screens.The other end of setting sleeve 6 after screwing in valve gap 3 by threaded connection relation clamps the annular fixed seat 5c between setting sleeve 6 and the valve gap 3, finishes sealing, and push rod 7 is provided with thermometer bulb controller 9.
The outside of valve rod 2 is provided with block 21, is with a Returnning spring 10 on the valve rod 2 between block 21 and the valve gap 3, and an end of Returnning spring 10 contacts with block 21, and the other end contacts with valve gap 3.Be provided with the gasket seal 42a that is connected with spool 42 between spool 42 and the valve opening 41.
When thermometer bulb controller 9 detects temperature and is lower than setting value, liquid in the thermometer bulb controller 9 is met cold contraction, the active force that acts on the push rod 7 disappears, Returnning spring 10 relies on compression elasticity that valve rod 2 is outwards ejected, the degree of closing of valve opening 41 diminishes, increase fluid flow, return to setting value up to temperature.
When thermometer bulb controller 9 detected temperature and is higher than setting value, the heated liquids in the thermometer bulb controller 9 expanded, and act on the push rod 7, inwardly push valve rod 2 and push rod 7, and progressively close valve orifice 41, reduce fluid flow, are reduced to setting value up to temperature.In this process, Returnning spring 10 is gradually reduced, and body 5a axially is compressed simultaneously.
Rotate rotary part 11 and can drive valve core case 4 and rotate around its axle center, when the water intake 1a of the water inlet of valve core case 4 4a and valve body 1 to last, the osculum 4b of valve core case 4 and the water outlet 1b of valve body 1 when last, the water intake 1a of valve body 1 and water outlet 1b conducting.As water inlet 4a and water intake 1a, osculum 4b and osculum 4b did not have when last, spool 42 can be removed be used for changing or cleaning.
Specific embodiment described herein only is that the present invention's spirit is illustrated.The technician of the technical field of the invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (6)
1. thermostat valve, comprise that its two ends can be connected on the pipeline and the valve body (1) of interior band valve opening (41), valve rod (2), valve gap (3) and be installed in spool (42) on the valve opening (41), valve gap (3) is fixed on the valve body (1), the inner of described valve rod (2) and spool (42) are connected, the outer end is passed valve gap (3) and is provided with a push rod (7), this push rod (7) but be provided with one and can change desired temperature and automatic regulating valve bar (2) position to keep the thermometer bulb controller (9) of temperature constant in setting value, described thermometer bulb controller (9) is fixedlyed connected with valve body (1), valve rod (2) is provided with may command valve rod (2) and resets to resetting-mechanism with the setting value opposite position, it is characterized in that, the outer end of described valve rod (2) is provided with a Sealing (5) that the end, outer end of valve rod (2) is covered, described Sealing (5) comprises the body (5a) of tubular and the base (5b) that above-mentioned body (5a) end is closed, the other end outside of body (5a) is fixed with the fixed base (5c) of an annular, fixed base (5c) is connected with valve gap (3) circumferential seal, the outside of described Sealing (5) is socketed with a setting sleeve (6) that is threaded with valve gap (3), the end that push rod (7) contacts with Sealing (5) base (5b) is inserted in the setting sleeve (6), and the fixed base (5c) of above-mentioned Sealing (5) circumferentially is folded between valve gap (3) and the setting sleeve (6).
2. a kind of thermostat valve according to claim 1 is characterized in that, described body (5a) axially is corrugated.
3. a kind of thermostat valve according to claim 1 and 2 is characterized in that, described body (5a), base (5b) and fixed base (5c) three are in one-piece connection, and all adopt rubber material to be made.
4. a kind of thermostat valve according to claim 1 and 2, it is characterized in that described resetting-mechanism is a Returnning spring (10), the sidepiece of valve rod (2) is provided with block (21), one end of described Returnning spring (10) contacts with block (21), and the other end contacts with valve gap (3).
5. a kind of thermostat valve according to claim 1 and 2, it is characterized in that, be provided with the tubular valve core case (4) of one one end sealing in the described valve body (1), above-mentioned valve opening (41) is arranged in the valve core case (4), insert from the opening end of valve core case (4) the inner of valve rod (2), have the water inlet (4a) and the osculum (4b) that can be communicated with valve body (1) water intake (1a) and water outlet (1b) respectively on the described valve core case (4), the closed end of valve core case (4) stretches out valve body (1) and is provided with controllable valve core print seat (4) and rotates the rotary part (11) that makes valve body (1) water intake (1a) and water outlet (1b) conducting or blocking-up around its axle center.
6. a kind of thermostat valve according to claim 5 is characterized in that, is provided with seal ring between described valve core case (4) and the valve gap (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103063196A CN101649912B (en) | 2009-08-29 | 2009-08-29 | Temperature-sensing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103063196A CN101649912B (en) | 2009-08-29 | 2009-08-29 | Temperature-sensing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101649912A CN101649912A (en) | 2010-02-17 |
| CN101649912B true CN101649912B (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103063196A Expired - Fee Related CN101649912B (en) | 2009-08-29 | 2009-08-29 | Temperature-sensing valve |
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| Country | Link |
|---|---|
| CN (1) | CN101649912B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679031A (en) * | 2011-03-15 | 2012-09-19 | 全龙浩 | Temperature control valve capable of being cleaned and maintained on line |
| CN108518523A (en) * | 2018-05-29 | 2018-09-11 | 郑州博容节能设备有限公司 | Based on water temperature rapid feedback formula thermostatic mixing valves in Constant-temp. pipeline and its constant temperature heat-exchange system and constant-temperature water mixing device |
-
2009
- 2009-08-29 CN CN2009103063196A patent/CN101649912B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101649912A (en) | 2010-02-17 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG WORLD HAVC TECHNOLOGY CO., LTD. Free format text: FORMER NAME: WOERDA COPPER INDUSTRY CO., LTD.;ZHEJIANG PROVINCE |
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| CP03 | Change of name, title or address |
Address after: 317608 Industrial Zone, Yuhuan County, Taizhou, Zhejiang Patentee after: Zhejiang world HVAC technology Co Ltd Address before: 317608 Industrial Zone, Yuhuan County, Zhejiang Province Patentee before: Zhejiang Woerda Copper Industry Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20180829 |
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| CF01 | Termination of patent right due to non-payment of annual fee |