CN101936408A - Diaphragm type long-life constant-temperature water-mixing valve - Google Patents
Diaphragm type long-life constant-temperature water-mixing valve Download PDFInfo
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- CN101936408A CN101936408A CN2009101485579A CN200910148557A CN101936408A CN 101936408 A CN101936408 A CN 101936408A CN 2009101485579 A CN2009101485579 A CN 2009101485579A CN 200910148557 A CN200910148557 A CN 200910148557A CN 101936408 A CN101936408 A CN 101936408A
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Abstract
The invention discloses a diaphragm type long-life constant-temperature water-mixing valve, relating to a device for mixing cold water and hot water into water with needed water outlet temperature, in particular to a diaphragm type long-life constant-temperature water-mixing valve which can automatically mix cold water and hot water into water with needed water outlet temperature according to preset water outlet temperature. The diaphragm type long-life constant-temperature water-mixing valve comprises a hot water inlet, a cold water inlet, a mixing water outlet, an upper valve body, a lower valve body, a valve core, an annular T-shaped diaphragm, a thermometer bulb, a thermometer bulb protection spring assembly, a regulating handle, a return spring, and the like. The diaphragm type long-life constant-temperature water-mixing valve is characterized in that the annular T-shaped diaphragm made of soft materials is used for insolating and sealing a cold water cavity and a hot water cavity, the valve core can be easily moved up and down, and the valve core moves up and down without friction by utilizing the flexibility of the annular T-shaped diaphragm, therefore, the seal performance is better, and the service life is longer, and consequently, the diaphragm type long-life constant-temperature water-mixing valve has better reliability and greatly prolongs the service life.
Description
Affiliated technical field
The present invention relates to a kind of device that cold water and hot water is mixed into needed water-exit temperature, especially can automatically cold water and hot water be mixed into a kind of diaphragm type long lifetime constant-temperature water mixing valve of needed water-exit temperature according to predefined water-exit temperature, belong to hot-water supply system's manufacturing field of equipment.
Background technique
At present, various hot-water supply systems are quite universal, and the application of various hot-water supply system's equipment also is found everywhere.But problem demanding prompt solution of ubiquity is exactly in present hot-water supply system: when fluctuation took place hydraulic pressure, the hot water temperature of supply also changed, and can't guarantee to supply with the constant-temperature effluent of hot water, and the quality of hot water supply is descended.In addition, open circuit, can't cut off the supply of hot water immediately, the hot water temperature of supply is raise, injure user's safety if cold water has taken place suddenly in present hot-water supply system.At the problems referred to above, the constant-temperature water mixing valve that on market, occurs at present, the problem that hot water supply can be cut off automatically when having solved the problem that water-exit temperature that water pressure fluctuations brings changes and having interrupted cold water suddenly, but because normally O type circle fricting movement sealing down of the sealing at valve core movement position usually is to cause seal leakage to cause significantly reduce the working life of constant-temperature water mixing valve because the friction of O type circle is impaired.The invention provides a kind of diaphragm type long lifetime constant-temperature water mixing valve: do not use power supply, guaranteeing that the hot water temperature who supplies with does not change yet when fluctuation takes place hydraulic pressure; When the supply of unexpected interruption cold water, can cut off the supply of hot water immediately; The ring-type T type barrier film that flexible material is made, make that moving up and down of spool is easier, moving up and down of spool is the flexibility of utilizing ring-type T type barrier film, do not rub, therefore better tightness, longer service life, thus make diaphragm type long lifetime constant-temperature water mixing valve better reliability, working life prolong significantly.
Summary of the invention
The objective of the invention is: a kind of diaphragm type long lifetime constant-temperature water mixing valve that does not use power supply can according to predefined water-exit temperature cold water and hot water be mixed into predefined temperature automatically is provided, the hot water temperature who supplies with when fluctuation takes place hydraulic pressure does not change yet, when the supply of unexpected interruption cold water, diaphragm type long lifetime constant-temperature water mixing valve can cut off the supply of hot water immediately, guarantees user's safety.
Solve technological scheme that its technical problem adopts and be diaphragm type long lifetime constant-temperature water mixing valve by hot water inlet, cold water inlet, mixed water exports, upper valve body, valve body, spool, ring-type T type barrier film, thermometer bulb, thermometer bulb protection spring assembly, regulating handle down, compositions such as Returnning spring.It is characterized in that: the ring-type T type barrier film that the isolating seal of cold water cavity and hot water cavity has used flexible material to make, make that moving up and down of spool is easier, moving up and down of spool is the flexibility of utilizing ring-type T type barrier film, do not rub, therefore better tightness, longer service life, thus make diaphragm type long lifetime constant-temperature water mixing valve better reliability, working life prolong significantly.
The invention has the beneficial effects as follows that the water-exit temperature of diaphragm type long lifetime constant-temperature water mixing valve is not subjected to the influence of water pressure fluctuations, guaranteed the precision of diaphragm type long lifetime constant-temperature water mixing valve water-exit temperature.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Accompanying drawing is embodiment's a longitudinal section tectonic maps.
Among the figure 1, the regulating handle set screw, 2, regulating handle, 3, lifting bar, 4, thermometer bulb protection spring assembly; 5, upper valve body, 6, the lifting bar seal ring, 7, spool, 8, ring-type T type barrier film; 9, hot water inlet, 10, the thermometer bulb push rod, 11, valve seals; 12, following valve body, 13, thermometer bulb, 14, Returnning spring; 15, mixed water exports, 16, the hot water gap, 17, cold water inlet; 18, hot water cavity, 19, cold water cavity, 20, the cold water gap.
Embodiment
In the drawings; place a Returnning spring (14) in the draw-in groove of following valve body (12) lower end; a thermometer bulb (13) is placed by the upper end central authorities of Returnning spring (14); thermometer bulb (13) is threaded with spool (7) lower end; be placed with thermometer bulb push rod (10) in thermometer bulb (13) center hole; the lower end of thermometer bulb push rod (10) links to each other with thermometer bulb (13); the upper end of thermometer bulb push rod (10) links to each other with thermometer bulb protection spring assembly (4) lower end; thermometer bulb protection spring assembly (4) is placed in the round groove in lifting bar (3) center portion; lifting bar (3) cylindrical adopts rotatable being threaded with upper valve body (5); below at lifting bar (3) and the rotatable screw thread of upper valve body (5) is placed with lifting bar seal ring (6); lifting bar (3) upper end is connected with regulating handle (2); lifting bar (3) is connected and fixed with regulating handle set screw (1) with regulating handle (2); place ring-type T type barrier film (8) in the recessed draw-in groove of spool (7) outer ring surface; ring-type T type barrier film (8) is inner to be tightly connected from tightening with the recessed draw-in groove of spool (7) outer ring surface; the outer Transverse plane of ring-type T type barrier film (8) is fixed and seals by the upper-end surface of the interior prominent lower end surface of upper valve body (5) and following valve body (12); upper valve body (5) and following valve body (12) adopt and are threaded; upper valve body (5) and following valve body (12) lower end mouth have valve seals (11); because of ring-type T type barrier film (8) is a flexible material; so spool (7) utilizes the flexibility of T type barrier film (8) to move up and down in the valve body cavity; ring-type T type barrier film (8) is divided into two cavitys with spool (7) outside simultaneously; upper cavity is cold water cavity (19); lower chamber is hot water cavity (18); cold water cavity (19) and hot water cavity (18) form isopiestic equilibrations by the spool (7) of hollow; spool (7) upper-end surface and upper valve body (5) leave an adjustable cold water gap (20) makes cold water pass through, and an adjustable hot water gap (16) is left with following valve body (12) in spool (7) lower end surface makes hot water pass through.
By rotation regulating handle (2) lifting bar (3) is moved up and down, lifting bar (3) can promote thermometer bulb push rod (10) and move down and promote spool (7) simultaneously and thermometer bulb (13) moves down when moving down, hot water gap (16) diminishes, hot water flow reduces, when hot water gap (16) are reduced to zero, hot water is blocked, and hot water flow is reduced to zero; Lifting bar (3) promotes spool (7) and thermometer bulb (13) and thermometer bulb push rod (10) simultaneously and moves up under the effect of Returnning spring (14) when moving up, cold water gap (20) diminishes, the cold water flow reduces, when cold water gap (20) are reduced to zero, cold water is blocked, and the cold water flow is reduced to zero; Lifting bar (3) move up and down the size that can adjust cold water gap (20) and hot water gap (16), thereby reach the effect that preestablishes water-exit temperature.
Hot and cold water enters the equivalent pressure cavity of back separately by cold water inlet (17) and hot water inlet (9) respectively in use: cold water cavity (19) and hot water cavity (18); Cold water spool (7) by hollow after supercooled water gap (20) by cold water cavity (19) flows through thermometer bulb (13) by valve body under mixed water exports (15) outflow, hot water by hot water cavity (18) flows through thermometer bulb (13) by valve body under mixed water exports (15) outflow after superheated water gap (16), hot and cold water mixes when flowing through thermometer bulb (13) at the same time by mixed water exports (15) and flows out valve body down; When the detected mixing water temperature of thermometer bulb (13) is higher than predefined temperature, medium expanded by heating in the thermometer bulb (13) promotes thermometer bulb push rod (10), because thermometer bulb push rod (10) thus can't move and drive spool (7) and thermometer bulb (13) moves down together, hot water gap (16) is diminished and the hot water flow minimizing, make cold water gap (20) become big simultaneously and the cold water flow increases, make the mixing water temperature reduce and remain on predefined temperature; Otherwise, when the detected mixing water temperature of thermometer bulb (13) is lower than predefined temperature, the contraction of catching a cold of medium in the thermometer bulb (13), thermometer bulb (13) and thermometer bulb push rod (10) joint produce the gap, Returnning spring (14) promotes spool (7) and thermometer bulb (13) moves up together, make hot water gap (16) become big and hot water flow increases, cold water gap (20) is diminished and the cold water flow reduces, make the mixing water temperature raise and remain on predefined temperature.
When the hydraulic pressure of water inlet changes, no matter increase or reduce, because cold water cavity (19) and hot water cavity (18) form isopiestic equilibrations by the spool (7) of hollow, water the power on the spool (7) of acting on also increases simultaneously or reduces, thereby the temperature that has guaranteed water outlet is not subjected to the influence that increases or reduce because of hydraulic pressure.
In use when hot water interrupts suddenly, the contraction of catching a cold of medium in the thermometer bulb (13), thermometer bulb (13) and thermometer bulb push rod (10) joint produce the gap, this gap is greater than cold water gap (20), Returnning spring (14) promotes spool (7) and thermometer bulb (13) moves up together, until cold water gap (20) being reduced to zero, this moment, cold water was blocked; When cold water interrupts suddenly; medium in the thermometer bulb (13) is because of the rapid sharply expansion of being heated; promote thermometer bulb push rod (10) rapidly; thereby driving spool (7) and thermometer bulb (13) moves rapidly downwards together hot water gap (16) to be diminished rapidly be and zero hot water is blocked; and the rapid unnecessary expansive force that is produced that expands of the medium in the thermometer bulb (13) is protected spring assembly (4) to absorb by thermometer bulb, thereby has guaranteed the safety in user's use.
In addition, because the ring-type T type barrier film (8) that the isolating seal of cold water cavity (19) and hot water cavity (18) has used flexible material to make, make that moving up and down of spool (7) is easier, moving up and down of spool (7) is the flexibility of utilizing ring-type T type barrier film, do not rub, therefore to better tightness, the longer service life of cold water cavity (19) and hot water cavity (18), thereby make diaphragm type long lifetime constant-temperature water mixing valve better reliability, working life prolong significantly.
Claims (2)
1. a diaphragm type long lifetime constant-temperature water mixing valve is by hot water inlet, cold water inlet, mixed water exports, upper valve body, following valve body, spool, ring-type T type barrier film, thermometer bulb, thermometer bulb protection spring assembly, regulating handle, compositions such as Returnning spring.It is characterized in that: the ring-type T type barrier film that the isolating seal of cold water cavity and hot water cavity has used flexible material to make, moving up and down of spool is the flexibility of utilizing ring-type T type barrier film, do not rub, the upper and lower end of ring-type T type barrier film forms cold water cavity and hot water cavity respectively, cold water cavity and hot water cavity form isopiestic equilibrations by the spool of hollow, and cold water cavity and hot water cavity communicate with cold water inlet and hot water inlet respectively.
2. a kind of diaphragm type long lifetime constant-temperature water mixing valve according to claim 1, it is characterized in that: ring-type T type barrier film is inner to be tightly connected from tightening with the recessed draw-in groove of spool outer ring surface, and the outer Transverse plane of ring-type T type barrier film is fixed and seals by the upper-end surface of the interior prominent lower end surface of upper valve body and following valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101485579A CN101936408A (en) | 2009-06-29 | 2009-06-29 | Diaphragm type long-life constant-temperature water-mixing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101485579A CN101936408A (en) | 2009-06-29 | 2009-06-29 | Diaphragm type long-life constant-temperature water-mixing valve |
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| Publication Number | Publication Date |
|---|---|
| CN101936408A true CN101936408A (en) | 2011-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101485579A Pending CN101936408A (en) | 2009-06-29 | 2009-06-29 | Diaphragm type long-life constant-temperature water-mixing valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494180A (en) * | 2011-11-24 | 2012-06-13 | 北京龙浩安达新技术有限公司 | Constant-temperature valve and shower system |
| CN102777631A (en) * | 2012-08-09 | 2012-11-14 | 浙江曼尔达水控有限公司 | Water mixing valve |
| CN103322251A (en) * | 2013-07-08 | 2013-09-25 | 东阳市宇宙铜业有限公司 | Floor heating thermostatic valve |
-
2009
- 2009-06-29 CN CN2009101485579A patent/CN101936408A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494180A (en) * | 2011-11-24 | 2012-06-13 | 北京龙浩安达新技术有限公司 | Constant-temperature valve and shower system |
| CN102777631A (en) * | 2012-08-09 | 2012-11-14 | 浙江曼尔达水控有限公司 | Water mixing valve |
| CN102777631B (en) * | 2012-08-09 | 2014-08-20 | 浙江曼尔达水控有限公司 | Water mixing valve |
| CN103322251A (en) * | 2013-07-08 | 2013-09-25 | 东阳市宇宙铜业有限公司 | Floor heating thermostatic valve |
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Open date: 20110105 |