CN102192335A - Static balance on-off control valve - Google Patents
Static balance on-off control valve Download PDFInfo
- Publication number
- CN102192335A CN102192335A CN 201110131485 CN201110131485A CN102192335A CN 102192335 A CN102192335 A CN 102192335A CN 201110131485 CN201110131485 CN 201110131485 CN 201110131485 A CN201110131485 A CN 201110131485A CN 102192335 A CN102192335 A CN 102192335A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- valve core
- core
- cone
- 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.)
- Granted
Links
Images
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a static balance on-off control valve, which comprises a main valve body, a sealed upper valve body, a sealed lower valve body and a pressure measuring valve, wherein the sealed upper valve body and the sealed lower valve body are hermetically connected to the upper end and the lower end of the main valve body in a dismountable mode respectively; the pressure measuring valve is hermetically connected to the front part or back part of the main valve body in a dismountable mode; the upper valve body comprises an upper valve core valve body and an upper valve core valve cone; the upper valve core valve cone moves up and down in the upper valve core valve body; the lower valve body comprises a lower valve core valve body and a lower valve core valve cone; and the lower valve core valve cone moves up and down vertically in the lower valve core valve body. The static balance on-off control valve can pre-adjust the flow capacity of hot water of each home according to the heat load of an end user to ensure that each user can obtain an ideal heating temperature on the basis of ensuring static water conservation balance.
Description
Technical field
The present invention relates to a kind of control valve, particularly relate to a kind of static equilibrium on-off control valve.
Background technique
Central heat supply is the most basic heat-supplying mode of present China, and the heat metering is the problem that must face.Traditional metering method is only chargeed according to area, can't embody the rationality and the fairness of charge.Press heating charge system unreasonable of area charge simultaneously, can't transfer people's heating energy consciousness, caused a large amount of wastings of resources.According to the experience of developed country, carrying out rational method of measurement can energy-conservation 20～30%.Present many people begin the reform of warming oneself, and have begun household heating in some sub-districts, and promptly the user can regulate the flow of heat supply according to the needs of oneself.Under the identical heat supply condition, because of house type, towards difference can obtain different room temperatures, the key of heat supply be to guarantee different house types, towards condition under, by regulating the heat supply flow at each family, to obtain identical heating effect.But,, can not preset the system resistance at each family and regulate flow because the employed valve of user of present household heating is all directly regulated by the user.
Summary of the invention
The present invention finishes in order to solve deficiency of the prior art, the purpose of this invention is to provide a kind of on the basis that guarantees static water conservancy balance, heat load according to terminal temperature difference, regulate the flow of each family hot water in advance, guarantee that every user can both obtain the static equilibrium on-off control valve of desirable heating temperature.
A kind of static equilibrium on-off control valve of the present invention, comprise the main valve body of sealing, sealing is detachably connected on upper valve body and the following valve body of sealing and the pressure valve that sealing is removably connected to described main valve body front portion or rear portion of sealing of described main valve body top and bottom respectively, described upper valve body comprises upper valve core valve body and upper valve core valve cone, described upper valve core valve cone moves up and down in described upper valve core valve body, described valve body down comprises lower valve core valve body and lower valve core valve cone, and described lower valve core valve cone moves in described lower valve core valve body vertically.
A kind of static equilibrium on-off control valve of the present invention can also be:
Comprise the main valve body of sealing, sealing is detachably connected on upper valve body and the following valve body of sealing and the pressure valve that sealing is removably connected to described main valve body front portion or rear portion of sealing of described main valve body top and bottom respectively, described upper valve body comprises upper valve core valve body and upper valve core valve cone, described upper valve core valve cone moves up and down in described upper valve core valve body, described valve body down comprises lower valve core valve body and lower valve core valve cone, and described lower valve core valve cone moves in described lower valve core valve body vertically.
Described valve body down also comprises lower valve core lid, lower valve core nut and lower valve core guide pin bushing, described lower valve core guide pin bushing inserts in the described lower valve core valve body from the bottom to top, insert in the described lower valve core guide pin bushing top described lower valve core valve cone bottom, described lower valve core nut is connected with lower thread in the described down valve guide, and described lower valve core covers and is sheathed on described lower valve core valve body lower end.
Described lower valve core guide pin bushing and described lower valve core valve body joint are provided with seal ring, between described lower valve core valve cone and the described lower valve core guide pin bushing seal ring are set.
Described upper valve body also comprises the upper valve core valve gap and is arranged on the stroke lever of described upper valve core valve gap central interior, described upper valve core covers inner top central authorities slide opening is set, slide in described slide opening in the upper end of described stroke lever, described stroke lever passes described upper valve core valve cone and described upper valve core valve body, described stroke lever bottom is arranged with spring, described stroke lever middle part is provided with groove, be arranged with catch in the described groove, described upper valve core valve body central authorities are provided with the vertical hole that holds, described spring is between described catch and the described bottom that holds the hole, the bottom of described upper valve core valve cone and the valve port of described main valve body offsets or away from, described stroke lever is connected with the electric heating final controlling element.
Described upper valve core valve body and described main valve body joint are provided with seal ring, and described upper valve core valve cone and described main valve body joint are provided with seal ring.
Described upper valve core valve body central, threaded is connected with the upper valve core nut, the bottom of described upper valve core nut is threaded with the upper inside wall that described upper valve core valve body holds the hole, the central authorities of described upper valve core nut are provided with jack, described stroke lever passes described jack, leaves the gap between described stroke lever and the described jack.
Described main valve body front portion or rear portion are provided with two pressure valves, described each pressure valve includes pressure measurement spool, pressure valve nut, pressure measurement valve gap and pressure valve chain, in the pressure tap on described two pressure measurement spools insertion main valve body front portion or the rear portion, described pressure valve nut is connected with described pressure tap inner thread respectively, described pressure measurement valve gap is covered on described pressure tap outside, and described pressure valve chain is fixed on described pressure measurement valve gap front end and back end.
Described upper valve core valve body lower portion is connected by the screw thread removable seal with described main valve body upper end, and described lower valve core valve body top is connected by the screw thread removable seal with described main valve body lower end.
A kind of static equilibrium on-off control valve of the present invention, because comprise the main valve body of sealing, sealing is detachably connected on upper valve body and the following valve body of sealing and the pressure valve that sealing is removably connected to described main valve body front portion or rear portion of sealing of described main valve body top and bottom respectively, described upper valve body comprises upper valve core valve body and upper valve core valve cone, described upper valve core valve cone moves up and down in described upper valve core valve body, described valve body down comprises lower valve core valve body and lower valve core valve cone, and described lower valve core valve cone moves in described lower valve core valve body vertically.Therefore the advantage that has in terms of existing technologies is for the upper-lower position of regulating the lower valve core valve cone and then preestablish the resistance size, and regulates the upper-lower position of upper valve core valve cone and then heat supply or stop heat supply.Resistance difference between like this can the balance different loops, the valve that guarantees each user can both obtain design discharge when opening, do not influence simultaneously of the adjusting of hot far-end to flow system flow, be applicable to the development trend of heating system unsteady flow amount, guarantee the water conservancy balance of heating system and the accuracy of heating metering.
Description of drawings
A kind of static equilibrium on-off control valve of Fig. 1 the present invention schematic representation explosive view.
A kind of static equilibrium on-off control valve of Fig. 2 the present invention main valve body, upper valve body and following valve body are connected sectional view.
Fig. 3 the present invention a kind of static equilibrium on-off control valve main valve body and pressure valve sectional view.
The figure number explanation
1 ... upper valve core lid 2 ... upper valve core nut 3 ... upper valve core valve body 4 ... stroke lever
5 ... spring 6 ... groove 7 ... catch 8 ... the upper valve core valve cone
9 ... seal ring 10 main valve bodies 11 ... pressure measurement spool 12 ... the pressure valve nut
13 ... pressure measurement valve gap 14 ... pressure valve chain 15 ... lower valve core valve cone 16 ... go into water cavity
17 ... water chamber 18 ... lower valve core valve body 19 ... lower valve core guide pin bushing 20 ... the lower valve core nut
21 ... lower valve core lid 22 ... pressure tap 23 ... jack 24 ... slide opening
25 ... hold the hole
Embodiment
Fig. 1 to Fig. 3 below in conjunction with accompanying drawing is described in further detail a kind of static equilibrium on-off control valve of the present invention.
A kind of static equilibrium on-off control valve of the present invention, please refer to Fig. 1 to Fig. 3, the main valve body 10 that comprises sealing, sealing is detachably connected on upper valve body and the following valve body of sealing and the pressure valve that sealing is removably connected to described main valve body 10 front portions or rear portion of the sealing of described main valve body 10 top and bottom respectively, described upper valve body comprises upper valve core valve body 3 and upper valve core valve cone, described upper valve core valve cone moves up and down in described upper valve core valve body 3, described valve body down comprises lower valve core valve body 18 and lower valve core valve cone 15, and described lower valve core valve cone 15 moves in described lower valve core valve body 18 vertically.Water cavity in main valve body 10 is divided into into water cavity 16 and water chamber 17 like this, described hot water enters valve port after entering water cavity 16, and the upper valve core valve cone moves up and down and then opens valve port or close port in upper valve core valve body 3, when the upper valve core valve cone rises, valve port is opened, be in the heat supply state, hot water enters water chamber 17 by valve port and then enters in user's heating device; When upper valve core valve cone decline rear enclosed valve port, be in and stop the heat supply state, hot water can not enter in user's the heating device.And lower valve core valve cone 15 moves up and down in lower valve core valve body 18 and can system resistance be regulated, be that lower valve core valve cone 15 upwards moves in lower valve core valve body 18, lower valve core valve cone 15 stops that the area of main valve body 10 valve ports increases, and promptly increases the resistance of custom system; Otherwise if lower valve core valve cone 15 moves down, lower valve core valve cone 15 stops that the area of valve port in the main valve body 10 reduces, and promptly reduces the resistance of custom system.Therefore, regulating the position of lower valve core valve cone 15 in lower valve core valve body 18 can preestablish the custom system resistance, resistance difference between like this can the balance different loops, the valve that guarantees each user can both obtain design discharge when opening, do not influence simultaneously of the adjusting of hot far-end to flow system flow, be applicable to the development trend of heating system unsteady flow amount, guarantee the water conservancy balance of heating system and the accuracy of heating metering.And removably connect and upper valve body and following valve body can be disassembled, change or maintenance, be convenient to installation and removal, and the working life of improving whole valve, without this integral replacing control valve.Being tightly connected between main valve body 10 and upper valve body and the following valve body is the seal that guarantees whole static equilibrium on-off control valve, guarantee that hot water can not ooze out or outflow control valve outside.
A kind of static equilibrium on-off control valve of the present invention, please refer to Fig. 1 to Fig. 3, can also be that described valve body down also comprises lower valve core lid 21, lower valve core nut 20 and lower valve core guide pin bushing 19, described lower valve core guide pin bushing 19 inserts in the described lower valve core valve body 18 from the bottom to top, insert in described lower valve core guide pin bushing 19 tops described lower valve core valve cone 15 bottoms, described lower valve core nut 20 is connected with lower thread in the described down valve guide, and described lower valve core covers 21 and is sheathed on described lower valve core valve body 18 lower ends.Like this, the position of the position of the size adjustment lower valve core guide pin bushing 19 of Yu She resistance and then adjusting lower valve core valve cone 15 is to the needs position as required, it is fixing below lower valve core guide pin bushing 19 then lower valve core nut 20 to be rotatably connected, and the lower valve core valve gap gets final product on spinning on the lower valve core valve body 18 then.Further optimized technical scheme is in order to guarantee sealing, and described lower valve core guide pin bushing 19 is provided with seal ring 9 with described lower valve core valve body 18 joints, between described lower valve core valve cone 15 and the described lower valve core guide pin bushing 19 seal ring 9 is set.Seal ring 9 not only can guarantee the sealing of whole control valve, guarantees between lower valve core guide pin bushing 19 and the described lower valve core valve body 18 simultaneously and mechanical wear reduction between lower valve core valve cone 15 and the described lower valve core guide pin bushing 19, the working life of improving whole control valve.
A kind of static equilibrium on-off control valve of the present invention, please refer to Fig. 1 to Fig. 3, can also be that described upper valve body also comprises upper valve core valve gap and the stroke lever 4 that is arranged on described upper valve core valve gap central interior, described upper valve core covers 1 inner top central authorities slide opening 24 is set, slide in described slide opening 24 in the upper end of described stroke lever 4, described stroke lever 4 passes described upper valve core valve cone and described upper valve core valve body 3, described stroke lever 4 bottoms are arranged with spring 5, described stroke lever 4 middle parts are provided with groove 6, be arranged with catch in the described groove 6, described upper valve core valve body 3 central authorities are provided with the vertical hole 25 that holds, described spring 5 is between described catch and the described bottom that holds hole 25, the valve port of the bottom of described upper valve core valve cone and described main valve body 10 offset or away from, described stroke lever 4 is connected with the electric heating final controlling element.Like this, stroke lever 4 moves up and down under the effect of electric heating final controlling element, during the energising of electric heating final controlling element, stroke lever 4 moves up, drive the upper valve core valve cone and move up, pressure spring 5 simultaneously, and then away from the valve port of main valve body 10, hot water promptly is in the heat supply state by in the heating device of the laggard access customer of valve port; When the electric heating final controlling element cuts off the power supply, the effect of catch makes pressure spring 5 that stretching force be arranged, promoting stroke lever 4 moves down, driving the upper valve core valve cone moves down, and then be resisted against on the valve port of main valve body 10 and seal valve port, hot water can not pass through in the heating device of the laggard access customer of valve port, promptly is in to stop the heat supply state.And the effect of the slide opening 24 that upper valve core valve gap inner top central authorities are provided with is to guarantee that stroke lever 4 can move up and down.Further optimized technical scheme is that described upper valve core valve body 3 is provided with seal ring 9 with described main valve body 10 joints, and described upper valve core valve cone and described main valve body 10 joints are provided with seal ring 9.Seal ring 9 not only can guarantee the sealing of whole control valve, guarantees between upper valve core valve body 3 and the described main valve body 10 simultaneously and mechanical wear reduction between upper valve core valve cone and the described main valve body 10, the working life of improving whole control valve.Further optimized technical scheme is that described upper valve core valve body 3 central, threaded are connected with upper valve core nut 2, the bottom of described upper valve core nut 2 is threaded with the upper inside wall that described upper valve core valve body 3 holds hole 25, the central authorities of described upper valve core nut 2 are provided with jack 23, described stroke lever 4 passes described jack 23, leaves the gap between described stroke lever 4 and the described jack 23.The effect of upper valve core nut 2 is that the spring 5 that will hold in the hole 25 further seals, avoid spring 5 to drop out, and the effect of jack 23 is to guarantee that stroke lever 4 stretches into downwards, and stroke lever 4 is fixed in the small range, makes it move up and down Shi Buhui and is offset to the left or to the right.
A kind of static equilibrium on-off control valve of the present invention, please refer to Fig. 1 to Fig. 3, can also be that described main valve body 10 front portions or rear portion are provided with two pressure valves on the basis of the foregoing description, described each pressure valve includes pressure measurement spool 11, pressure valve nut 12, pressure measurement valve gap 13 and pressure valve chain 14, in the pressure tap 22 that described two pressure measurement spools 11 insert on main valve body 10 front portions or the rear portion, described pressure valve nut 12 is connected with described pressure tap 22 inner threads respectively, described pressure measurement valve gap 13 is covered on described pressure tap 22 outsides, and described pressure valve chain 14 is fixed on described pressure measurement valve gap 13 front end and back end.The effect of pressure valve is the pressure difference of measure water cavity 16 and water chamber 17, and then calculates the flow of hot water.The effect of pressure valve chain is that mode pressure measurement valve gap drops.
A kind of static equilibrium on-off control valve of the present invention, please refer to Fig. 1 to Fig. 3, can also be that described upper valve core valve body 3 bottoms are connected by the screw thread removable seal with described main valve body 10 upper ends on the basis of the foregoing description, described lower valve core valve body 18 tops be connected by the screw thread removable seal with described main valve body 10 lower ends.Can certainly be other Placement, as long as can removably be tightly connected.
Above-mentionedly only several specific embodiments among the present invention are illustrated; but can not be as protection scope of the present invention; every equivalence variation of having done according to the design spirit among the present invention or modification or equal proportion are amplified or are dwindled etc., all should think to fall into protection scope of the present invention.
Claims (8)
1. static equilibrium on-off control valve, it is characterized in that: comprise the main valve body of sealing, sealing is detachably connected on upper valve body and the following valve body of sealing and the pressure valve that sealing is removably connected to described main valve body front portion or rear portion of sealing of described main valve body top and bottom respectively, described upper valve body comprises upper valve core valve body and upper valve core valve cone, described upper valve core valve cone moves up and down in described upper valve core valve body, described valve body down comprises lower valve core valve body and lower valve core valve cone, and described lower valve core valve cone moves in described lower valve core valve body vertically.
2. a kind of static equilibrium on-off control valve according to claim 1, it is characterized in that: described valve body down also comprises lower valve core lid, lower valve core nut and lower valve core guide pin bushing, described lower valve core guide pin bushing inserts in the described lower valve core valve body from the bottom to top, insert in the described lower valve core guide pin bushing top described lower valve core valve cone bottom, described lower valve core nut is connected with lower thread in the described down valve guide, and described lower valve core covers and is sheathed on described lower valve core valve body lower end.
3. a kind of static equilibrium on-off control valve according to claim 2 is characterized in that: described lower valve core guide pin bushing and described lower valve core valve body joint are provided with seal ring, between described lower valve core valve cone and the described lower valve core guide pin bushing seal ring are set.
4. a kind of static equilibrium on-off control valve according to claim 1, it is characterized in that: described upper valve body also comprises the upper valve core valve gap and is arranged on the stroke lever of described upper valve core valve gap central interior, described upper valve core covers inner top central authorities slide opening is set, slide in described slide opening in the upper end of described stroke lever, described stroke lever passes described upper valve core valve cone and described upper valve core valve body, described stroke lever bottom is arranged with spring, described stroke lever middle part is provided with groove, be arranged with catch in the described groove, described upper valve core valve body central authorities are provided with the vertical hole that holds, described spring is between described catch and the described bottom that holds the hole, the bottom of described upper valve core valve cone and the valve port of described main valve body offsets or away from, described stroke lever is connected with the electric heating final controlling element.
5. a kind of static equilibrium on-off control valve according to claim 4 is characterized in that: described upper valve core valve body and described main valve body joint are provided with seal ring, and described upper valve core valve cone and described main valve body joint are provided with seal ring.
6. a kind of static equilibrium on-off control valve according to claim 4, it is characterized in that: described upper valve core valve body central, threaded is connected with the upper valve core nut, the bottom of described upper valve core nut is threaded with the upper inside wall that described upper valve core valve body holds the hole, the central authorities of described upper valve core nut are provided with jack, described stroke lever passes described jack, leaves the gap between described stroke lever and the described jack.
7. according to the described a kind of static equilibrium on-off control valve of any claim of claim 1 to 6, it is characterized in that: described main valve body front portion or rear portion are provided with two pressure valves, described each pressure valve includes pressure measurement spool, pressure valve nut, pressure measurement valve gap and pressure valve chain, in the pressure tap on described two pressure measurement spools insertion main valve body front portion or the rear portion, described pressure valve nut is connected with described pressure tap inner thread respectively, described pressure measurement valve gap is covered on described pressure tap outside, and described pressure valve chain is fixed on described pressure measurement valve gap front end and back end.
8. according to the described a kind of static equilibrium on-off control valve of any claim of claim 1 to 6, it is characterized in that: described upper valve core valve body lower portion is connected by the screw thread removable seal with described main valve body upper end, and described lower valve core valve body top is connected by the screw thread removable seal with described main valve body lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110131485 CN102192335B (en) | 2011-05-20 | 2011-05-20 | Static balance on-off control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110131485 CN102192335B (en) | 2011-05-20 | 2011-05-20 | Static balance on-off control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102192335A true CN102192335A (en) | 2011-09-21 |
| CN102192335B CN102192335B (en) | 2013-05-29 |
Family
ID=44600976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110131485 Expired - Fee Related CN102192335B (en) | 2011-05-20 | 2011-05-20 | Static balance on-off control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102192335B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR8504038A (en) * | 1984-10-02 | 1986-06-10 | Tlv Co Ltd | AUTOMATICALLY ADJUSTED PRESSURE REDUCING VALVE |
| IT1216873B (en) * | 1986-02-04 | 1990-03-14 | Paul G Eidsmore | DEVICE AND PROCEDURE FOR THE CONTROL AND INSULATION OF FLUID FLOW. |
| EP1845430A2 (en) * | 2006-04-06 | 2007-10-17 | Braathen, Thor Frolich | Pressure reducing valve |
| CN200999894Y (en) * | 2007-01-26 | 2008-01-02 | 厦门灿坤实业股份有限公司 | Decompression valve |
| CN102032376A (en) * | 2010-12-30 | 2011-04-27 | 欧文托普阀门系统(北京)有限公司 | Dynamic balance regulating valve |
| CN202048219U (en) * | 2011-05-20 | 2011-11-23 | 欧文托普阀门系统(北京)有限公司 | Static balance on-off control valve |
-
2011
- 2011-05-20 CN CN 201110131485 patent/CN102192335B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR8504038A (en) * | 1984-10-02 | 1986-06-10 | Tlv Co Ltd | AUTOMATICALLY ADJUSTED PRESSURE REDUCING VALVE |
| IT1216873B (en) * | 1986-02-04 | 1990-03-14 | Paul G Eidsmore | DEVICE AND PROCEDURE FOR THE CONTROL AND INSULATION OF FLUID FLOW. |
| EP1845430A2 (en) * | 2006-04-06 | 2007-10-17 | Braathen, Thor Frolich | Pressure reducing valve |
| CN200999894Y (en) * | 2007-01-26 | 2008-01-02 | 厦门灿坤实业股份有限公司 | Decompression valve |
| CN102032376A (en) * | 2010-12-30 | 2011-04-27 | 欧文托普阀门系统(北京)有限公司 | Dynamic balance regulating valve |
| CN202048219U (en) * | 2011-05-20 | 2011-11-23 | 欧文托普阀门系统(北京)有限公司 | Static balance on-off control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102192335B (en) | 2013-05-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2654669C (en) | Constant temperature and balanced pressure valve core with single handle | |
| CN102563128A (en) | Intelligent constant-temperature water mixing device | |
| CN101943275A (en) | Automatic constant-temperature water mixing valve | |
| CN102252415A (en) | Adjustable constant-temperature constant-current water heater | |
| CN202048219U (en) | Static balance on-off control valve | |
| CN101718358B (en) | Self-heating metal thermostatic tap | |
| CN102192335B (en) | Static balance on-off control valve | |
| CN204004746U (en) | Dynamic differential pressure balance integral valve | |
| CN101392555B (en) | Guide electromagnetic valve with hand push button | |
| CN103527819A (en) | Water mixing valve capable of discharging constant temperature water | |
| CN110594422A (en) | Manual-automatic water replenishing valve and water heater | |
| CN201944342U (en) | Energy-saving constant temperature faucet with novel structure | |
| CN202646792U (en) | Constant-temperature valve plug | |
| CN201152379Y (en) | Integral valve core constant temperature control valve group | |
| CN202485107U (en) | Balancing device of water separator and water collector in heating system | |
| CN210739392U (en) | Manual-automatic water replenishing valve and water heater | |
| CN102331316B (en) | Static balance type dual-source type time on/off area heat metering system and method | |
| CN101782149A (en) | Control valve and valve with same | |
| CN201547280U (en) | Constant temperature valve core and self-heating metal constant temperature faucet made of same | |
| CN202927131U (en) | Automatic constant temperature three-way steam heat valve | |
| CN201983425U (en) | Temperature-controllable water heater | |
| CN201575209U (en) | Dynamic balance electrical control integrated valve | |
| CN210318516U (en) | Temperature control flow valve | |
| CN201229051Y (en) | Water level controlled fast heating drinking machine | |
| CN202371215U (en) | Constant temperature mixed control valve device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20210520 |