CN104565488A - Steel-made welding pressure difference control valve - Google Patents
Steel-made welding pressure difference control valve Download PDFInfo
- Publication number
- CN104565488A CN104565488A CN201510035221.7A CN201510035221A CN104565488A CN 104565488 A CN104565488 A CN 104565488A CN 201510035221 A CN201510035221 A CN 201510035221A CN 104565488 A CN104565488 A CN 104565488A
- Authority
- CN
- China
- Prior art keywords
- valve
- bellows
- valve body
- seat
- control valve
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/10—Welded housings
- F16K27/102—Welded housings for lift-valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
Abstract
The invention discloses a steel-made welding pressure difference control valve. The steel-made welding pressure difference control valve is characterized in that a film box is buckled to the top of a film box base; a valve base is arranged in a valve body; a cone valve clack is arranged in the valve body, and a valve plug is arranged in the film box base and the film box. Two connecting tubes are respectively welded on both sides of the valve body; the valve base in the valve body is respectively connected with said two connecting tubes; the top of the valve body is provided with a circular hole and welded with a connecting sleeve, the film box base and the connecting sleeve are fixed to the valve body; the top of the valve base and the bottom are respectively provided with a valve port relative to the circular hole on the valve body, said two cone valve clacks are respectively plugged in said two valve ports to play an adjustment role; the film box is divided into a film top cavity and a film bottom cavity by films in the film box, the film top cavity is connected with said two connecting tubes through pressure guide holes on the film box via a pressure regulating valve, and a pressure guide tube. The control valve is low in resistance, appropriate to heat preservation, and connected with a pipeline by a welding connection manner, so that a pipeline net is more safe and steady, and longer in service life, the construction cost and the leakage point of the pipeline connection are reduced. The control valve is made of a steel tube, thus atmospheric contamination caused by the casting process in manufacturing processes of the primary pressure difference control valve is changed.
Description
Technical field
The present invention relates to heat supply, air-conditioning, HVAC industry control valve, be specifically related to a kind of steel welding differential pressure control valve.
Background technique
In prior art, Differential Pressure Controller is all adopt flange connection, is connected needs flange, bolt, pad with pipeline.Its manufacture cost is relatively high, and construction cost is high, and easily causes water clock.
Summary of the invention
The object of this invention is to provide that a kind of structure is simple, the better steel of performance welds differential pressure control valve entirely, the present invention has filled up the blank that differential pressure control valve does not have welding manner.
The object of the invention is to be achieved through the following technical solutions:
Steel welds differential pressure control valve entirely, comprises valve body, adapter, valve seat, cone flap, spool, bellows seat and bellows; Bellows seat is satisfied with body top, and bellows snaps onto the top of bellows seat; Valve seat is arranged in valve body; Cone flap has two, and spool is the one of serial connection; Diaphragm is provided with in bellows, being divided into epistege and hypostegal cavity in bellows, epistege is provided with a pressure guide hole, the PRESSURE PIPE being provided with pressure regulator valve outside bellows and being connected with pressure regulator valve, the endoporus of pressure regulator valve communicates with pressure guide hole, PRESSURE PIPE stretches in adapter, and epistege is communicated with adapter through pressure regulator valve, PRESSURE PIPE by the pressure guide hole on bellows, is namely communicated in valve seat.
Cone flap is positioned at valve body, and spool is positioned at bellows seat and bellows; Two adapters are welded on valve body both sides respectively, and wherein the adapter of side puts in valve body, and the valve seat in valve body is connected with it; Have a circular hole at body top, bellows seat and valve body fix at circular hole place; Respectively have a valve port relative with the circular hole on described valve body in the top of valve seat and bottom, described bicone flap is connected by central thin axle, and bicone flap gets lodged in two valve ports on described valve seat respectively, plays regulatory role; Be equipped with spring in bellows seat, valve core housing dress in the spring.
Bellows and bellows seat are fixed by bolt.
The valve seat silk put in the adapter of side in valve body and valve body connects.
In body top circular hole, be welded with connecting sleeve, bellows seat silk is connected in connecting sleeve and fixes with valve body.
Be provided with a guide sleeve outside bottom spool, spool can slide up and down therein.
Spring top is between the top and guide sleeve of bellows seat.
In the middle of diaphragm is clipped in by upper film pad and lower film pad up and down respectively.
The end that PRESSURE PIPE stretches in adapter is connected with elbow.
Valve body two pipe nipple is connected with outside pipeline, and its Placement adopts welding.
The present invention continues to use the pressure control technology of Differential Pressure Controller, has filled up the blank of the mode that original Differential Pressure Controller is not welded to connect, and adopts steel pipe manufacture, changes the casting link of original differential pressure control valve manufacture process to the pollution of air.Present invention eliminates the flange, bolt, the pad that are connected with pipeline, save a large amount of physical resources.This control valve valve interior wall is more smooth, and resistance is little, makes engineering withstand voltage higher.This control valve is connected with pipeline and adopts welding connecting mode, decreases the leak source that pipeline connects, and makes that pipe network is safer, more stable, safer, longer service life, decrease engineering cost cost, facilitate construction, should be incubated for heating and ventilation project, reduce a large amount of thermal loss.The application of this valve can make a significant contribution for the energy-saving and emission-reduction of heat supply and HVAC industry.
Accompanying drawing explanation
Accompanying drawing is one embodiment of the present of invention schematic diagram.
Mark in figure:
Valve body 1, adapter 2, valve seat 3, cone flap 4, guide sleeve 5, connecting sleeve 6, spool 7, spring 8, bellows seat 9, lower film pad 10, diaphragm 11, upper film pad 12, bolt 13, bellows 14, pressure guide hole 15, pressure regulator valve 16, PRESSURE PIPE 17, elbow 18.
Embodiment
See Fig. 1, steel welding differential pressure control valve of the present invention, comprises valve body 1, adapter 2, valve seat 3, cone flap 4, spool 7, bellows seat 9 and bellows 14.Bellows seat 9 is satisfied with valve body 1 top, and bellows 14 snaps onto the top of bellows seat 9, is fixed by bolt 13.Cone flap 4 has two, and spool 7 is the one of serial connection, and cone flap 4 is positioned at valve body 1, and spool 7 is positioned at bellows seat 9 and bellows 14.Two adapters 2 are welded on valve body 1 both sides respectively, and valve seat 3 is arranged in valve body 1; Wherein, the adapter 2 of side puts in valve body 1, and the valve seat 3 in valve body 1 connects with its silk.Valve body two pipe nipple 2 is connected with outside pipeline, and its Placement adopts welding.Have a circular hole at valve body 1 top, be welded with connecting sleeve 6 in circular hole, bellows seat 9 and connecting sleeve 6 connect, and are fixed in valve body 1.A valve port relative with the circular hole on described valve body 1 is respectively had in the top of valve seat 3 and bottom.Bicone flap 4 is connected by central thin axle, and bicone flap gets lodged in two valve ports on described valve seat 3 respectively, plays regulatory role.Be provided with a guide sleeve 5 outside bottom spool 7, spool 7 can slide up and down therein, and plays the positioning action to spool 7.Be equipped with spring 8 in bellows seat 9, spring 8 withstands between the top of bellows seat 9 and guide sleeve 5.Spool 7 is sleeved in spring 8.In bellows 14, be provided with diaphragm 11, be divided into epistege and hypostegal cavity in bellows 14.In the middle of diaphragm about 11 is clipped in by upper film pad 12 and lower film pad 10 respectively.The epistege of bellows 14 is provided with a pressure guide hole 15, the PRESSURE PIPE 17 being provided with pressure regulator valve 16 outside bellows 14 and being connected with pressure regulator valve 16, the endoporus of pressure regulator valve 16 communicates with pressure guide hole 15, PRESSURE PIPE 17 end stretched in adapter 2 is connected with elbow 18, epistege is communicated with adapter 2 through pressure regulator valve 16, PRESSURE PIPE 17 and elbow 18 by the pressure guide hole 15 on bellows 14, namely be communicated in valve seat 3, regulate water supply to enter the pressure of bellows 14 by pressure regulator valve 16, thus reach the object of pressure regulation.
Working principle: diaphragm is divided into epistege and hypostegal cavity bellows and bellows seat, introduces epistege pressure in pipeline.As epistege pressure is greater than spring pilot pressure, diaphragm will be with movable valve plug to turn down valve port, and when epistege pressure is less than spring setting pressure, diaphragm will be with movable valve plug to open valve port, thus reaches the effect regulating pipeline pressure reduction.Regulate the pressure of pressure regulator valve shunting epistege, can control to press extent.
The present invention makes: valve seat is connected with adapter, loads in valve body and carries out hydraulic pressure closing in valve body, then connecting tube is welded on valve body.Valve body to be burn-on connecting sleeve.Again be equipped with spool, diaphragm, spring bellows be screwed on connecting sleeve, the exterior upper pressure regulator valve of bellows, PRESSURE PIPE in connection.Valve pressure reduction is demarcated on test stand.
Claims (10)
1. steel welding differential pressure control valve, comprises valve body (1), adapter (2), valve seat (3), cone flap (4), spool (7), bellows seat (9) and bellows (14), bellows seat (9) is satisfied with valve body (1) top, and bellows (14) snaps onto the top of bellows seat (9), valve seat (3) is arranged in valve body (1), it is characterized in that: cone flap (4) has two, and spool (7) is the one of serial connection, diaphragm (11) is provided with in bellows (14), epistege and hypostegal cavity is divided in bellows (14), epistege is provided with a pressure guide hole (15), the PRESSURE PIPE (17) being provided with pressure regulator valve (16) outside bellows (14) and being connected with pressure regulator valve (16), the endoporus of pressure regulator valve (16) communicates with pressure guide hole (15), PRESSURE PIPE (17) stretches in adapter (2), epistege by the pressure guide hole (15) on bellows (14) through pressure regulator valve (16), PRESSURE PIPE (17) is communicated with adapter (2), namely be communicated in valve seat (3).
2. differential pressure control valve according to claim 1, is characterized in that: cone flap (4) is positioned at valve body (1), and spool (7) is positioned at bellows seat (9) and bellows (14); Two adapters (2) are welded on valve body (1) both sides respectively, and wherein the adapter (2) of side puts in valve body (1), and the valve seat (3) in valve body (1) is connected with it; Have a circular hole at valve body (1) top, bellows seat (9) and valve body (1) fix at circular hole place; A valve port relative with the circular hole on described valve body (1) is respectively had in the top of valve seat (3) and bottom, described bicone flap (4) is connected by central thin axle, bicone flap gets lodged in two valve ports on described valve seat (3) respectively, plays regulatory role; Be equipped with spring (8) in bellows seat (9), spool (7) is sleeved in spring (8).
3. differential pressure control valve according to claim 1 and 2, is characterized in that: bellows (14) and bellows seat (9) are fixed by bolt (13).
4. differential pressure control valve according to claim 1 and 2, is characterized in that: the adapter (2) putting in valve body (1) interior side connects with valve seat (3) silk in valve body (1).
5. differential pressure control valve according to claim 1 and 2, it is characterized in that: in the circular hole of valve body (1) top, be welded with connecting sleeve (6), bellows seat (9) silk is connected in connecting sleeve (6) and fixes with valve body (1).
6. differential pressure control valve according to claim 1 and 2, is characterized in that: spool (7) bottom is outer is provided with a guide sleeve (5), and spool (7) can slide up and down therein.
7. differential pressure control valve according to claim 1 and 2, is characterized in that: spring (8) withstands between the top of bellows seat (9) and guide sleeve (5).
8. differential pressure control valve according to claim 1 and 2, is characterized in that: in the middle of diaphragm (11) is clipped in by upper film pad (12) and lower film pad (10) up and down respectively.
9. differential pressure control valve according to claim 1 and 2, is characterized in that: the end that PRESSURE PIPE (17) stretches in adapter (2) is connected with elbow (18).
10. steel welding differential pressure control valve according to claim 1, is characterized in that: valve body two pipe nipple (2) adopts with pipeline Placement and welds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510035221.7A CN104565488A (en) | 2015-01-26 | 2015-01-26 | Steel-made welding pressure difference control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510035221.7A CN104565488A (en) | 2015-01-26 | 2015-01-26 | Steel-made welding pressure difference control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104565488A true CN104565488A (en) | 2015-04-29 |
Family
ID=53082230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510035221.7A Pending CN104565488A (en) | 2015-01-26 | 2015-01-26 | Steel-made welding pressure difference control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104565488A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2189671A1 (en) * | 1972-06-19 | 1974-01-25 | Deutsche Vergaser Gmbh Co Kg | |
| CN2216623Y (en) * | 1995-04-26 | 1996-01-03 | 西北有色金属研究院 | Self-supporting bellows pressure regulating valve |
| CN2257880Y (en) * | 1996-04-17 | 1997-07-16 | 北京融洋技术研究所 | Pressure reducing and stabilizing valve |
| CN2713254Y (en) * | 2004-05-20 | 2005-07-27 | 刘云峰 | Self-operated flow control valve |
| CN200979003Y (en) * | 2006-12-13 | 2007-11-21 | 马景岗 | Self-operated adjustable differential pressure valve |
| CN103225910A (en) * | 2013-03-26 | 2013-07-31 | 西安建筑科技大学 | Differential pressure controlled self-operated protection valve bank for vacuum tube collector array |
| CN203258134U (en) * | 2013-04-24 | 2013-10-30 | 马景岗 | Dynamic resistance balance valve |
| CN203743530U (en) * | 2013-12-26 | 2014-07-30 | 青岛万力科技有限公司 | Flow-limiting check valve |
| CN204083398U (en) * | 2014-09-04 | 2015-01-07 | 王建波 | High accuracy self-operated flow control valve |
| CN204437394U (en) * | 2015-01-26 | 2015-07-01 | 马景岗 | Steel welding differential pressure control valve |
-
2015
- 2015-01-26 CN CN201510035221.7A patent/CN104565488A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2189671A1 (en) * | 1972-06-19 | 1974-01-25 | Deutsche Vergaser Gmbh Co Kg | |
| GB1377349A (en) * | 1972-06-19 | 1974-12-11 | Deutsche Vergaser Gmbh Co Kg | Fluid flow control valves |
| CN2216623Y (en) * | 1995-04-26 | 1996-01-03 | 西北有色金属研究院 | Self-supporting bellows pressure regulating valve |
| CN2257880Y (en) * | 1996-04-17 | 1997-07-16 | 北京融洋技术研究所 | Pressure reducing and stabilizing valve |
| CN2713254Y (en) * | 2004-05-20 | 2005-07-27 | 刘云峰 | Self-operated flow control valve |
| CN200979003Y (en) * | 2006-12-13 | 2007-11-21 | 马景岗 | Self-operated adjustable differential pressure valve |
| CN103225910A (en) * | 2013-03-26 | 2013-07-31 | 西安建筑科技大学 | Differential pressure controlled self-operated protection valve bank for vacuum tube collector array |
| CN203258134U (en) * | 2013-04-24 | 2013-10-30 | 马景岗 | Dynamic resistance balance valve |
| CN203743530U (en) * | 2013-12-26 | 2014-07-30 | 青岛万力科技有限公司 | Flow-limiting check valve |
| CN204083398U (en) * | 2014-09-04 | 2015-01-07 | 王建波 | High accuracy self-operated flow control valve |
| CN204437394U (en) * | 2015-01-26 | 2015-07-01 | 马景岗 | Steel welding differential pressure control valve |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |