CN102213333B - Two-way valve capable of adjusting flow balance for supplying heat - Google Patents
Two-way valve capable of adjusting flow balance for supplying heat Download PDFInfo
- Publication number
- CN102213333B CN102213333B CN 201110131472 CN201110131472A CN102213333B CN 102213333 B CN102213333 B CN 102213333B CN 201110131472 CN201110131472 CN 201110131472 CN 201110131472 A CN201110131472 A CN 201110131472A CN 102213333 B CN102213333 B CN 102213333B
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- spool
- cover
- valve core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Sliding Valves (AREA)
Abstract
The invention provides a two-way valve capable of adjusting flow balance for supplying heat. The two-way valve comprises a valve body and a valve core; the valve body comprises an upper valve body, a lower valve body and an upper cover; the valve core comprises a valve rod, a valve core internal cylinder and a valve core external cylinder from inside to outside in sequence; and the valve core comprises a valve core spring, an interceptor cover, a sealing gasket and a retainer ring from top to bottom in sequence; the valve rod is arranged in the valve core spring, the interceptor cover and the sealing gasket; the retainer ring is used for fixing the vertical directions of the valve core internal cylinder and the interceptor cover in the valve core external cylinder; an opening is formed at the lower part of the valve core external cylinder; a notch matched with the opening at the lower part of the valve core external cylinder is arranged at the side surface of the interceptor cover; a slot is arranged at the lower part of the valve core internal cylinder; and a bulge matched with the slot at the lower part of the valve core internal cylinder is arranged on the upper part of the interceptor cover. The two-way valve further comprise a flow balancing unit located at the lower part of the valve body; the flow balancing unit comprise a membrane cover, a membrane, a central cylinder, a membrane spring and a lower block piece the centers of which are concentric, from top to bottom. The two-way valve has a dynamic balancing function and an adjusting setting function.
Description
Technical field
The present invention relates to a kind of valve of regulating flow, also relate to a kind of both adjustable amount, the valve that has the flow equilibrium function again.
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 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%.
The tentative heat measuring method in some areas has hotlist measurement Law and temperature difference method of areas at present.
The hotlist measurement Law mainly be mechanical hotlist or ultrasound hotlist heat the control valve method, use more in Efficiency in Buildings in Tianjin Area, this method is through check for a long time, more stable, but since China water quality dirtier, the hotlist precision is not high and architecture storey between heat conducting problem, this method is very not suitable.
Temperature difference method of areas is by measuring return water temperature, and according to area, towards factors such as, floors, sets different formula, calculates the heat of user's use.This method northeastward, area such as Shanxi uses more, it has solved, and hotlist is of low quality, the susceptible to plugging problem of pipeline, but this method does not realize accurate measurement, and in operating process, what use is big flow region control valve, occurs the unbalance phenomenon of water conservancy easily.
The time and area method is comparatively to be fit to feasible method, but the prerequisite of time and area method is the balance of system, and its essential condition is that each pipeline needs an equilibrium valve of keeping the pipeline balance, and this valve should have both the function of adjustable settings simultaneously.Also there is not at present to satisfy fully the valve of time and area method design needs.
Summary of the invention
Technology of the present invention is dealt with problems and is: provide a kind of and further provide a kind of transient equiliblium function that both had not by the disclosed Twoway valves with adjusting set-up function of prior art, have the Twoway valves of regulating set-up function again.
Technological scheme of the present invention is:
Heat supply provided by the invention adjustable flow balance Twoway valves, comprise valve body and spool, described valve body comprises upper valve body, following valve body and loam cake, described spool comprises valve rod from inside to outside successively, spool inner core and spool urceolus, comprise valve core spring from top to bottom successively, cover dams, sealing gasket and back-up ring, described valve rod places described valve core spring, in described dam cover and the described sealing gasket, described back-up ring is fixed on described spool inner core and the described vertical direction that dams cover in the described spool urceolus, described spool urceolus is outside to be connected with described loam cake inside, described spool urceolus bottom is provided with an opening, described side of damming cover is provided with the fluting that matches with the opening of described spool urceolus bottom, described spool inner core bottom is provided with slot, and the described cover top of damming is provided with the projection that matches with the slot of described spool inner core bottom.
Heat supply provided by the invention adjustable flow balance Twoway valves can also be:
This Twoway valves also comprises the flow equilibrium unit that is positioned at valve body lower portion, described flow equilibrium unit comprises diaphragm lid, diaphragm, central tube, the diaphragm spring of centres from top to bottom and blocks sheet down, the outer periphery of described diaphragm lid are fixedlyed connected with described upper valve body, and the outer periphery of described diaphragm are pressed between the outer periphery and described upper valve body of described diaphragm lid, described down blocking-up sheet, and is fixedlyed connected with described valve body down with described down between the valve body at described central tube.
The two ends of described valve core spring are used jump ring and spacers respectively.
Being provided with Sealing shield ring in the Sealing shield ring groove of spool inner core inside upper part, is interference fit between Sealing shield ring and the Sealing shield ring groove.
Described sealing gasket is rubber pad.
Described side of damming cover can be arbitrary shape with the fluting that the opening of described spool urceolus bottom matches, and preferably uses the curve fluting.
Described spool inner core bottom is provided with small one and large one two slots, and the described cover top of damming is provided with small one and large one two projections, and slot and projection be corresponding matching one by one.
The design that is integrated of described spool, but integral demounting.
Described spool inner core end face is provided with the scale indication.
The top barrel of described central tube stretches out to protrude and forms platform shape body, and described diaphragm is pressed in the sealed cavity that is surrounded by described diaphragm lid, described central tube and described upper valve body.
The opening that described diaphragm covers has fillet, and described sealing gasket bottom is chamfering, is the line contact between the corners and fillets.
The top of described spool urceolus is hexagon.
The present invention compared with prior art has following advantage:
Spool of the present invention comprises valve rod from inside to outside successively, spool inner core and spool urceolus, comprise valve core spring from top to bottom successively, cover dams, sealing gasket and back-up ring, described valve rod places described valve core spring, in described dam cover and the described sealing gasket, described back-up ring is fixed on described spool inner core and the described vertical direction that dams cover in the described spool urceolus, described spool urceolus is outside to be connected with described loam cake inside, described spool urceolus bottom is provided with an opening, described side of damming cover is provided with the curve fluting that matches with the opening of described spool urceolus bottom, described spool inner core bottom is provided with slot, and the described cover top of damming is provided with the projection that matches with the slot of described spool inner core bottom.This structure makes spool have the adjusting set-up function, and the motion of valve rod is for moving up and down, and is lower to the requirement of final controlling element, and simple electric heating final controlling element can be controlled.
The balancing unit of valve inner can the balance sysmte pressure surge, makes the influence that is not subjected to system by the flow of valve, in the valve working pressure differential range, appoints that to preset flow all be unique and constant.Namely guarantee to be determined by the valve setpoint value fully by the flow value of valve.This valve has been gathered the preconditioning function of flow simultaneously, can accurately regulate and lock the flow of each pipeline.This valve is applied to the heating pipeline of time and area method, and regulatory function combines with equilibrium function, can obtain comparatively ideal control effect, reaches rational flow set, real-time flow dynamics balance, the purpose of energy saving.Can satisfy the design needs of time and area method fully.
Description of drawings
Fig. 1 is according to valve core structure sectional view of the present invention.
Fig. 2 is according to overall structure sectional view of the present invention.
Fig. 3 is according to flow direction schematic representation of the present invention.
Fig. 4 is the spool inner core schematic representation of Fig. 1, and wherein a is front view, and b is left view, and c is that sectional view is looked on a left side, and d is end face scale schematic representation.
Fig. 5 is the spool urceolus schematic representation of Fig. 1, and wherein a is front view, and b is that sectional view is looked on a left side, and c is normal axomometric drawing, and d is plan view.
Fig. 6 is the cover schematic representation that dams of Fig. 1, and wherein a is front view, and b is that sectional view is looked on a left side, and c is normal axomometric drawing.
Fig. 7 is the structure sectional view of diaphragm lid among Fig. 2.
Description of reference numerals:
1-valve rod, 2-spool inner core, 3-spool urceolus, 4-the one O type circle, the 5-cover that dams, 6-sealing gasket, 7-back-up ring, 8-the two O type circle, 9-the first jump ring, 10-the first pad, 11-the three O type circle, 12-the four O type circle, 13-valve core spring, 14-the second jump ring, 15-the second pad, 16-loam cake, 17-the five O type circle, 18-upper valve body, 19-diaphragm lid, 20-the first screw, 21-diaphragm spring, 22-diaphragm, 23-central tube, 24-the six O type circle, 25-the seven O type circle, 26-following valve body, 27-down blocking-up sheets, 28-the second screw, 29-Sealing shield ring, 30-platform shape body.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Embodiment one: have the Twoway valves of regulating set-up function
Shown in Fig. 1-7, a kind of Twoway valves, comprise valve body and spool, described valve body comprises upper valve body 18, following valve body 26 and loam cake 16, described spool comprises valve rod 1 from inside to outside successively, spool inner core 2 and spool urceolus 3, comprise valve core spring 13 from top to bottom successively, cover 5 dams, sealing gasket 6 and back-up ring 7, described valve rod places described valve core spring, in described dam cover and the described sealing gasket, described back-up ring is fixed on described spool inner core and the described vertical direction that dams cover in the described spool urceolus, can not deviate from from spool urceolus 3, the outside thread of spool urceolus 3 is connected (also can be other mode that is connected) with the screw-internal thread fit of loam cake 16.A square orifice (also can be other shaped aperture) is arranged at the bottom of spool urceolus 3, and this mouthful crossed head piece for the fluid of spool.Cover 5 the side of damming is curve fluting, and this fluting cooperates with the square orifice of spool urceolus 3, obtain difference big or small head piece, namely at spool urceolus 3 inner rotation spool inner cores 2, can obtain different valve openings, can set different flows.
Need to prove that the fluting that covers 5 sides that dams can be arbitrary shape, but the preferred curve slot (curve can be set according to actual conditions) that uses.Use the curve fluting can play two effects: to make that 1. the adjusting setting of flow is continuous; 2. the variation that makes the adjusting of flow set is specific, regulates accurately in the main Flow-rate adjustment section of using.
The part of spool is exposed outside, and exposed part is with upper valve body, valve body forms the periphery of valve body jointly down; The other parts of spool realize shutoff and the regulatory function of spool.
The two ends of valve core spring 13 are respectively with jump ring 9,14 and pad 10,15 fixing.
In the Sealing shield ring groove of spool inner core 2 inside upper part, be provided with Sealing shield ring 29.Be interference fit between Sealing shield ring 29 and the Sealing shield ring groove, Sealing shield ring 29 and the 2nd O type circle 8 can play the seal action at valve rod place.
Preferably, spool inner core bottom is provided with small one and large one two slots, and the cover top of damming is provided with small one and large one two projections, and slot and projection be corresponding matching one by one, makes rotational valve core inner core 2 to drive to dam cover 5 to rotate synchronously.
Spool urceolus 3 tops are preferably hexagon, make things convenient for the integral installation of spool.
Further, spool inner core 2 end faces are provided with the scale indication, have made things convenient for the user to regulate the setting flow like this.
The cover that dams uses big opening, and spool is difficult for being twined by booty, and valve is difficult for stopping up.
The continuous opening that covers that dams can be realized the valve flow step-less adjustment.
Between spool urceolus 3 and loam cake 16, be provided with an O type circle 4.
Between spool inner core 2 and valve rod 1, in the seal groove of spool inner core 2 inside upper part, be provided with the 2nd O type circle 8.
Between spool inner core 2 and spool urceolus 3, be provided with the 3rd O type circle 11 and the 4th O type circle 12.
Between loam cake 16 and upper valve body 18, be provided with the 5th O type circle 17.
Be provided with the 6th O type circle 24 in the inside recessed groove between central tube 23 and the upper valve body 18, on the inwall of described upper valve body 18.
Be provided with the 7th O type circle 25 between valve body 26 and the upper valve body 18 down.
Embodiment two: both had the transient equiliblium function, had the Twoway valves of regulating set-up function again
The Twoway valves function of present embodiment mainly can be divided into regulates set-up function and equilibrium function.Wherein regulating set-up function realizes by spool.
Shown in Fig. 1-7, on embodiment one basis, embodiment two Twoway valves also comprises the flow equilibrium unit that is positioned at valve body lower portion, the flow equilibrium unit comprises the diaphragm lid 19 of centres from top to bottom, diaphragm 22, central tube 23, diaphragm spring 21 and following blocking-up sheet 27, the outer periphery of diaphragm lid 19 are fixedlyed connected with upper valve body 18, and the outer periphery of diaphragm 22 are pressed between the outer periphery and upper valve body 18 of diaphragm lid 19, under block sheet 27 between central tube 23 and following valve body 26, and fixedly connected (also can be other fixedly connected mode) with following valve body 26 by screw 28.
The top barrel of central tube 23 stretches out to protrude and forms platform shape body 30, thereby diaphragm 22 is pressed in the cavity of the sealing that is surrounded by diaphragm lid 19, central tube 23 and upper valve body 18.When valve working, along with the increase of pressure, diaphragm can drive central tube and move downward, and can form a water-injecting cavity between diaphragm lid and the diaphragm.
Press down valve rod 1, sealing gasket 6 can be depressed into the opening that covers on 19 with diaphragm and contact, play the effect of Shuttoff Valve.Opening on the diaphragm lid 19 has fillet, and the sealing gasket bottom is chamfering, is between the corners and fillets line contact to guarantee that valve easily turn-offs.
Last poppet-valve bar is namely opened valve rod.Be that two states is only closed and opened to valve.
Seal ring (among the embodiment adopt O type circle) 24 is embedded in the inside recessed groove on the inwall of upper valve body 18 bottoms, guarantee that the sealing between central tube 23 and upper valve body 18 bottoms do not have leakage, the fluid of avoiding entering valve body directly enters in the cavity that the inwall by diaphragm lid 19, central tube 23 and upper valve body 18 bottoms surrounds.
In the working procedure, the variation of different journey pipe network variable flow system pressure is to exist constantly, the present invention is by the effect of flow regulating unit, when system pressure raises, link to each other with fluid output by pressure-taking hole on the upper valve body 18, the pressure of fluid outlet is passed to the diaphragm lower chamber, diaphragm upper cavity pressure raises, increase with the pressure difference Δ P of diaphragm lower chamber, therefore break original state of equilibrium, diaphragm 22 drives central tube 23 and moves downward, central tube 23 and the distance of blocking between the sheet 27 down reduce, therefore the area of water outlet reduces, and namely the negotiability of valve-flow coefficient kv value reduces, according to flow formula
Flow can remain unchanged, and realizes new state of equilibrium.Vice versa, thereby reached the purpose of flow automatic balance, makes constant flow in the scope of demarcating, and eliminated the influence of system pressure fluctuation to flow.
In above two embodiments, seal ring 4,8,11,12,17,25 anti-sealings leak to valve is outside, and seal ring 24 prevents that the water in the different cavitys from flowing.
Valve body in above-described embodiment preferably uses the brass manufacturing.Spool preferably adopts the rubber pad linear sealing, easily turn-offs.In addition, spool can adopt integrated structural design, and its Whole-dismountable easily assembles and changes like this.Valve rod moves up and down, and is lower to the final controlling element requirement, and simple electric heating final controlling element can be controlled.The pressure ratio of balancing unit by the diaphragm both sides, the position of moving film under the different pressures changes valve opening automatically, realizes the balance of flow.
Claims (10)
1. heat supply is with adjustable flow balance Twoway valves, it is characterized in that: comprise valve body and spool, described valve body comprises upper valve body (18), following valve body (26) and loam cake (16), described spool comprises valve rod (1) from inside to outside successively, spool inner core (2) and spool urceolus (3), comprise valve core spring (13) from top to bottom successively, cover (5) dams, sealing gasket (6) and back-up ring (7), described valve rod places described valve core spring, in described dam cover and the described sealing gasket, described back-up ring is fixed on described spool inner core and the described vertical direction that dams cover in the described spool urceolus, described spool urceolus is outside to be connected with described loam cake inside, described spool urceolus bottom is provided with an opening, described side of damming cover is provided with the fluting that matches with the opening of described spool urceolus bottom, described spool inner core bottom is provided with slot, and the described cover top of damming is provided with the projection that matches with the slot of described spool inner core bottom.
2. heat supply according to claim 1 is with adjustable flow balance Twoway valves, it is characterized in that: this Twoway valves also comprises the flow equilibrium unit that is positioned at valve body lower portion, described flow equilibrium unit comprises the diaphragm lid (19) of centres from top to bottom, diaphragm (22), central tube (23), diaphragm spring (21) and following blocking-up sheet (27), the outer periphery of described diaphragm lid (19) are fixedlyed connected with described upper valve body (18), and the outer periphery of described diaphragm (22) are pressed between the outer periphery and described upper valve body (18) of described diaphragm lid (19), described following blocking-up sheet (27) is positioned between described central tube (23) and the described following valve body (26), and fixedlys connected with described valve body (26) down.
3. heat supply according to claim 1 and 2 is with adjustable flow balance Twoway valves, and it is characterized in that: the two ends of described valve core spring (13) use jump ring (9,14) and pad (10,15) to fix respectively.
4. heat supply according to claim 1 and 2 is with adjustable flow balance Twoway valves, and it is characterized in that: being provided with Sealing shield ring (29) in the Sealing shield ring groove of spool inner core (2) inside upper part, is interference fit between Sealing shield ring (29) and the Sealing shield ring groove.
5. heat supply according to claim 1 is with adjustable flow balance Twoway valves, and it is characterized in that: the fluting that matches with the opening of described spool urceolus bottom in described side of damming cover is that curve is slotted.
6. heat supply according to claim 1 and 2 is with adjustable flow balance Twoway valves, it is characterized in that: described spool inner core (2) bottom is provided with small one and large one two slots, described cover (5) top of damming is provided with small one and large one two projections, and slot and projection be corresponding matching one by one.
7. heat supply according to claim 1 and 2 is characterized in that with adjustable flow balance Twoway valves: the design that is integrated of described spool, but integral demounting.
8. heat supply according to claim 1 and 2 is with adjustable flow balance Twoway valves, and it is characterized in that: described spool inner core (2) end face is provided with the scale indication.
9. heat supply according to claim 2 is with adjustable flow balance Twoway valves, it is characterized in that: the top barrel of described central tube (23) stretches out to protrude and forms platform shape body (30), and described diaphragm (22) is pressed in the sealed cavity that is surrounded by described diaphragm lid (19), described central tube (23) and described upper valve body (18).
10. heat supply according to claim 2 is with adjustable flow balance Twoway valves, and it is characterized in that: the opening on the described diaphragm lid (19) has fillet, and described sealing gasket (6) bottom is chamfering, contacts for line between the corners and fillets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110131472 CN102213333B (en) | 2011-05-20 | 2011-05-20 | Two-way valve capable of adjusting flow balance for supplying heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110131472 CN102213333B (en) | 2011-05-20 | 2011-05-20 | Two-way valve capable of adjusting flow balance for supplying heat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102213333A CN102213333A (en) | 2011-10-12 |
| CN102213333B true CN102213333B (en) | 2013-07-10 |
Family
ID=44744771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110131472 Expired - Fee Related CN102213333B (en) | 2011-05-20 | 2011-05-20 | Two-way valve capable of adjusting flow balance for supplying heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102213333B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3908693A (en) * | 1973-05-01 | 1975-09-30 | Pall Corp | Coaxial bidirectional flow control and relief valves and hydrostat system containing the same |
| CN2771598Y (en) * | 2004-12-20 | 2006-04-12 | 姚会仁 | Ball type flow balance valve |
| CN2872013Y (en) * | 2005-12-13 | 2007-02-21 | 陈振双 | Electrically dynamic-balanced adjusting valve |
| CN201078499Y (en) * | 2007-09-26 | 2008-06-25 | 黄勤根 | Flow control valve |
| CN101709801B (en) * | 2009-11-19 | 2011-05-04 | 浙江沃尔达铜业有限公司 | Dynamic differential pressure balanced control valve |
| CN201582400U (en) * | 2009-12-25 | 2010-09-15 | 欧文托普阀门系统(北京)有限公司 | Dynamic equilibrium electric regulation integrated valve |
| CN202048248U (en) * | 2011-05-20 | 2011-11-23 | 欧文托普阀门系统(北京)有限公司 | Heat supply two-way valve capable of adjusting flow balance |
-
2011
- 2011-05-20 CN CN 201110131472 patent/CN102213333B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102213333A (en) | 2011-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206682355U (en) | A kind of gas flow regulating valve and its pipeline | |
| CN204647332U (en) | One can rapid-action plunger type electro hydraulic valve | |
| CN102062257B (en) | Leak-proof constant temperature valve with adjustable KV (kilovolt) value | |
| CN202048248U (en) | Heat supply two-way valve capable of adjusting flow balance | |
| CN102213333B (en) | Two-way valve capable of adjusting flow balance for supplying heat | |
| CN203223605U (en) | Diaphragm pilot valve capable of detecting pressure and flow rate | |
| CN104534122A (en) | Novel automatic gas regulating mechanism for constant-temperature fuel gas water heater | |
| CN101709801B (en) | Dynamic differential pressure balanced control valve | |
| CN204358164U (en) | A kind of realizing automatic regulation of gas mechanism of constant temperature gas water-heater | |
| CN106609876B (en) | Dynamic balance adjusting valve | |
| CN105927774B (en) | A kind of Multifunctional balance valve | |
| CN103075544B (en) | Anti-scald constant-temperature faucet | |
| CN203098883U (en) | Diaphragm pilot valve with contact type valve element linear displacement detection device | |
| CN108800304A (en) | Self-operated type balances heating system | |
| CN101571202B (en) | Magnetic coupling thermostatic valve with preset function | |
| CN202927131U (en) | Automatic constant temperature three-way steam heat valve | |
| CN105114675B (en) | A kind of adjustable constant pressure difference valve | |
| CN207989870U (en) | A kind of split type adjustable flow dynamic balance valve | |
| CN201925546U (en) | Dynamic balance adjusting valve | |
| CN203098882U (en) | Diaphragm pilot valve with non-contact type valve element linear displacement detection device | |
| CN205841897U (en) | A kind of Multifunctional balance valve | |
| CN202252294U (en) | High-flow combined type temperature control valve with anti-leakage device | |
| CN102289883B (en) | Dynamic balance dual-source time on-off area heat metering system and method | |
| CN203809768U (en) | Solar water heater thermostatic valve | |
| CN212273178U (en) | Cone sealing self-operated flow control valve |
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 |
Granted publication date: 20130710 Termination date: 20150520 |
|
| EXPY | Termination of patent right or utility model |