CN203286072U - Modularized valve plug structure for high-flow balanced pressure regulating valve - Google Patents
Modularized valve plug structure for high-flow balanced pressure regulating valve Download PDFInfo
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- CN203286072U CN203286072U CN201320291983XU CN201320291983U CN203286072U CN 203286072 U CN203286072 U CN 203286072U CN 201320291983X U CN201320291983X U CN 201320291983XU CN 201320291983 U CN201320291983 U CN 201320291983U CN 203286072 U CN203286072 U CN 203286072U
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Abstract
The utility model discloses a modularized valve plug structure for a high-flow balanced pressure regulating valve. The pressure regulating valve comprises a valve body (01), a valve cover (02), a valve plug assembly, an input channel (106) and an output channel (107). The modularized valve plug structure is characterized in that the valve plug assembly is in a modularized structure, that is, the valve plug assembly comprises a valve plug (03), wherein the valve plug (03) is installed on a valve seat (18), the valve seat (18) is installed in the valve body (01) through sealing nuts (04). Due to the adoption of the technical scheme, the pressure regulating valve can be suitable for different input pressures; a central spindle of the valve has the design of the balanced pressure regulating valve, so that the fluctuation of different inlet pressures nearly has no influences on adjustment and stability of the outlet pressure.
Description
Technical field
The invention belongs to the technical field of the pressure regulator valve of liquid or gas.More particularly, the present invention relates to a kind of modular valve blocks cored structure of large flow equilibrium formula pressure regulator valve.
Background technique
On present domestic and international market, the pressure governor of large flow (as flow greater than 100 Nm3/h) adopts traditional diaphragm type structure, and to common commercial Application, because operating mode is single, service condition is simple, and working life is less demanding, and diaphragm type structure is suitable.
But along with various fuel gas such as compressed natural gas (CNG) or the application on automotive industry such as liquid such as LNG Liquefied natural gas (LNG), traditional diaphragm type pressure governor under the operating mode of complexity, often demonstrates many drawbacks, breaking, wearing and tearing as diaphragm; To being not suitable with of low temperature environment; And the vibration of large flow, air blast etc., directly affected quality and the working life of product.
And other structure on market, as piston cylinder operator, adopts multi-step pressure reduction more, complex structure, and cost is high; Bellows structure, high to the bellows requirement, cost is very high.
Summary of the invention
The invention provides a kind of modular valve blocks cored structure of large flow equilibrium formula pressure regulator valve, its objective is and make pressure regulator valve be applicable to different incoming pressures.
To achieve these goals, the technological scheme taked of the present invention is:
The modular valve blocks cored structure of large flow equilibrium formula pressure regulator valve provided by the present invention, described pressure regulator valve comprises valve body, valve gap, mangetic core assembly, input channel, output channel, described mangetic core assembly is modular structure, that is: described mangetic core assembly comprises spool, described spool is arranged on valve seat, and described valve seat is arranged in described valve body by sealing nut.
Described modular structure also comprises seal ring, balance spring, small sealing ring, little seal ring and depression bar; Described seal ring is located on the surface of contact of valve body and sealing nut; Described small sealing ring and little seal ring are located on the surface of contact of described sealing nut and valve seat; One end of described depression bar contacts with described balance spring, and the other end contacts with piston, thereby forms an overall structure, and by the folding of spool, makes input channel and output channel realize break-make.
Described modular construction can integral replacement, or, by revising certain or a plurality of element wherein, forms new modular construction, to meet the requirement of different pressure and flow, or convenient for maintaining, and do not need other parts of pressure regulator valve are done any change.
Described piston contacts with Regulation spring by spring seat.
Described spring seat is fastened on described piston by the spring seat locking nut.
Described Regulation spring by slide block and steel ball supporting on adjusting screw rod; Described adjusting screw rod is fixed on described valve gap by locking nut.
Described depression bar is provided with vent, and two underpressure chamber at described spool two ends are communicated with.
Be provided with dividing plate in described valve body, on described dividing plate, be provided with Venturi tube, described dividing plate is cut apart the cavity at described output channel and piston place; Establish Venturi tube on described dividing plate, with the cavity UNICOM at described output channel and piston place.
Described dividing plate is fixed by screws on described valve body.
On the surface of contact of described piston and valve body, be provided with seal ring and piston packing.
On described valve gap, be provided with the balance joint.
The present invention adopts technique scheme, realizes single-stage pressure reducing, and relief chamber adopts piston cylinder operator, and its piston assembly is different from traditional diaphragm type structure, thereby has reduced because of large flow, the risk of pressure surge to the damage of diaphragm greatly; Its piston assembly, by adopting special sealing configuration, is quick on the draw, thereby has made up the shortcoming of piston structure with respect to the diaphragm structure response lag; The mandrel of valve has the design of balanced type pressure regulator valve simultaneously, makes the fluctuation of different inlet pressures on the adjusting of outlet pressure, stable almost not impact; Meanwhile, the outlet port of valve is provided with Venturi tube, makes different traffic demands, and is very little on the impact of outlet pressure.Therefore, realized decompression, voltage regulation result under different operating modes; Simple in structure, sealing part is few, is quick on the draw, and flow is large, and delivery pressure is stable, applicable to different inlet pressures, as: low pressure 0～50 bar; Middle pressure 0～100bar; High pressure 0～200bar etc., both avoided the shortcoming of diaphragm-type pressure regulating valve inefficacy easy to wear, and were simpler, practical than the pressure regulator valve of other labyrinth again, and cost is low; Structurally, the present invention considers the complex working condition of automotive industry, has strengthened wear-resistant, endurance function, guarantees long-term requirement in working life.Therefore, reached economical and practical effect.
Description of drawings
This specification comprises the following drawings, and its content is respectively:
Fig. 1 is structure cross-sectional schematic of the present invention;
Fig. 2 is the schematic top plan view of structure shown in Figure 1;
Fig. 3 is the side surface direction cross-sectional schematic of structure shown in Figure 1;
Fig. 4 is the schematic perspective view of structure shown in Figure 1.
Be labeled as in figure:
01, valve body, 02, valve gap, 03, spool, 04, sealing nut, 05, depression bar, 06, dividing plate, 07, adjusting screw rod, 08, nonmetal cushion block, 09, locking nut, 10, piston, 11, spring seat, 12, seal ring, 13, steel ball, 14, slide block, 15, the balance joint, 16, Venturi tube, 17, piston packing, 18, valve seat, 19, Regulation spring, 20, balance spring, 21, small sealing ring, 22, little seal ring, 23, seal ring, 24, screw, 25, the spring seat locking nut;
101, underpressure chamber, 102, underpressure chamber, 103, underpressure chamber, 104, vent, 105, input channel, 106, input channel, 107, output channel.
Embodiment
Below contrast accompanying drawing, the description by to embodiment, be described in further detail the specific embodiment of the present invention, to help those skilled in the art, inventive concept of the present invention, technological scheme had more complete, accurate and deep understanding.
Structure of the present invention as shown in Figures 1 to 4, be a kind of modular valve blocks cored structure of large flow equilibrium formula pressure regulator valve.
In order to solve the problem that prior art exists and to overcome its defect, realization is to make pressure regulator valve be applicable to the goal of the invention of different incoming pressures, and the technological scheme that the present invention takes is:
As shown in Figures 1 to 4, the invention provides a kind of large flow equilibrium formula pressure regulator valve, described pressure regulator valve comprises valve body 01, valve gap 02, mangetic core assembly, input channel 106, output channel 107, described mangetic core assembly is modular structure, that is: described mangetic core assembly comprises spool 03, described spool 03 is arranged on valve seat 18, and described valve seat 18 is arranged in described valve body 01 by sealing nut 04.
Described modular structure also comprises seal ring 23, balance spring 20, small sealing ring 21, little seal ring 22 and depression bar 05; Described seal ring 23 is located on the surface of contact of valve body 01 and sealing nut 04; Described small sealing ring 21 and little seal ring 22 are located on the surface of contact of described sealing nut 04 and valve seat 18; One end of described depression bar 05 contacts with described balance spring 20, and the other end contacts with piston 10, thereby forms an overall structure, and by the folding of spool 03, makes input channel 106 and output channel 107 realize break-make.
Described modular construction can integral replacement, or, by revising certain or a plurality of element wherein, forms new modular construction, to meet the requirement of different pressure and flow, or convenient for maintaining, and do not need other parts of pressure regulator valve are done any change.
Described mangetic core assembly is comprised of sealing nut 04, seal ring 23, balance spring 20, small sealing ring 21, little seal ring 22, valve seat 18, depression bar 05 and spool 03, thereby form an integral module, and by the folding of spool 03, make input channel 106 produce related with output channel 107.
Described pressure regulator valve has adopted balancing valve structure, small sealing ring 21 and little seal ring 22 have been coordinated on valve seat 18, thereby eliminated the dorsad active force of inlet pressure (P1) to valve seat 18, make the folding of valve seat 18 and spool 03 not be subjected to the impact of inlet pressure (P1), outlet pressure (P2) is stable.
Usually,, by changing described mangetic core assembly module, make described pressure regulator valve go for different incoming pressure (P1), as P1=0～50 bar(low pressure), press in P1=0～100 bar() or P1=0～200 bar(high pressure) etc. situation; Or different temperature environments, can reach 120 ℃ as high temperature, low temperature can reach-180 ℃.Particularly,, by changing shape or the sectional area of depression bar 05, can obtain the flow under different incoming pressures, the vibration of minimizing air-flow, noise etc.; , by changing material, the structure of spool 03, can meet the usage requirement of gas or the liquid of various temperature, pressure and medium; , by changing small sealing ring 21, little seal ring 22, can reduce at different pressures, temperature the surface friction drag that valve seat 18 is subject to, the being quick on the draw property of enhancing valve; , by changing balance spring 20, can improve the reaction velocity of valve seat 18 etc.
Two or by the following technical solutions:
Large flow equilibrium formula pressure regulator valve of the present invention, comprise valve body 01, valve gap 02, spool 03, input channel 106, output channel 107 and pressure reduction structure, described pressure reduction structure is the single-stage pressure reducing structure, be provided with piston 10 in described single-stage pressure reducing structure, an end of described piston 10 contacts with described spool 03 by depression bar 05; The other end of described piston 10 contacts with Regulation spring 19.
Pressure regulator valve of the present invention is single-stage pressure reducing, and relief chamber adopts piston cylinder operator, and its piston assembly is different from traditional diaphragm type structure, thereby has reduced because of large flow, the risk of pressure surge to the damage of diaphragm greatly.Described piston assembly, by adopting special sealing configuration, is quick on the draw, thereby has made up the shortcoming of piston structure with respect to the diaphragm structure response lag.
Three or by the following technical solutions:
A kind of large flow equilibrium formula pressure regulator valve, comprise valve body 01, valve gap 02, spool 03, input channel 106, output channel 107, and described pressure regulator valve is provided with piston 10, and an end of described piston 10 contacts with described spool 03 by depression bar 05; The other end of described piston 10 contacts with Regulation spring 19; Be provided with dividing plate 06 in described valve body 01, described dividing plate 06 is cut apart described output channel 107 and the cavity at piston 10 places; Establish Venturi tube 16 on described dividing plate 06, described Venturi tube 16 is with the cavity UNICOM of described output channel 107 with piston 10 places.
Described relief chamber is divided into two underpressure chamber by dividing plate 06, i.e. underpressure chamber 101, underpressure chamber 102; Wherein, underpressure chamber 102 is connected with described piston assembly, and another underpressure chamber 101 communicates with Venturi tube 16 and outlet passage 107.
Described dividing plate 06 adopts lubrication effect nonmetallic material preferably, as PTFE etc., thereby has reduced activity frictional force and the wearing and tearing of depression bar 05, has avoided the damage to spool 03 and valve seat 18 etc. of metal fillings that the wearing and tearing because of depression bar 05 produce.
When rate of discharge (F2) increases, the outlet port flow velocity of Venturi tube 16 also increases, form negative pressure of vacuum, thereby make the pressure of underpressure chamber 102 reduce rapidly, Regulation spring 19 is to pressing down described piston assembly, and drives depression bar 05 and open spool 03 larger downwards, thereby meet the demand of the flow (F2) that increases, and do not reduce the delivery pressure (P2) of underpressure chamber 101, reach large flow, the effect constant, that voltage stabilizing is exported.
Four, more specifically, the present invention by the following technical solutions
Described piston 10 contacts with Regulation spring 19 by spring seat 11.
Described spring seat 11 adopts the special shapes design, with valve gap 02 precision-fit, with the impact on piston 10 of the inclination that prevents Regulation spring 19 and torsional deformation.
Described spring seat 11 is fastened on described piston 10 by spring seat locking nut 25.
Described Regulation spring 19 is bearing on adjusting screw rod 07 by slide block 14 and steel ball 13; Described adjusting screw rod 07 is fixed on described valve gap 02 by locking nut 09.
Described Regulation spring 19 upper ends are provided with slide block 14 and steel ball 13, are used for reducing friction, facilitate adjusting screw rod 07 and spring 19.
Described depression bar 05 is provided with vent 104, and two underpressure chamber 101 at described spool 03 two ends, underpressure chamber 103 are communicated with.
Described depression bar 05 is provided with vent 104, and two underpressure chamber 101, underpressure chamber 103 are connected.
Be provided with dividing plate 06 in described valve body 01, on described dividing plate 6, be provided with Venturi tube 16, described dividing plate 06 is cut apart described output channel 107 and the cavity at piston 10 places; Establish Venturi tube 16 on described dividing plate 06, with the cavity UNICOM of described output channel 107 with piston 10 places.
Described dividing plate 06 is fixed on described valve body 01 by screw 24.
On the surface of contact of described piston 10 and valve body 01, be provided with seal ring 12 and piston packing 17.
Described piston packing 17, seal ring 12 are according to the applicable cases of different pressures, medium and temperature, can adopt different structural type, as adopt lip-shaped sealed ring (Lip O-ring), this special envelope (Step Seal), general plug envelope forms such as (Variseal).
The seal ring 12 of piston, can adopt various ways or material,, to adapt to different delivery pressures and different high and low temperature environments, as delivery pressure, can be free adjustment between 0～20bar, and serviceability temperature can be free transition between 120 ℃ to-180 ℃.
On described valve gap 02, be provided with balance joint 15.
On described valve gap 02, be provided with balance joint 15.Described balance joint 15 can connect mouth or other form for what connect flexible pipe, elects for different applicable cases, as vacuum compensation pipe of sending and receiving motivation etc.
Be embedded with nonmetal cushion block 08 between described piston 10 and depression bar 05.Be embedded with nonmetal cushion block 08 on piston 10, avoided the direct of metal to metal of depression bar 05 and piston 10 to contact, reduced wearing and tearing and impact each other.
The above is exemplarily described the present invention by reference to the accompanying drawings; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technological scheme carry out; or without improving, design of the present invention and technological scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (10)
1. the modular valve blocks cored structure of a large flow equilibrium formula pressure regulator valve, described pressure regulator valve comprises valve body (01), valve gap (02), mangetic core assembly, input channel (106), output channel (107), it is characterized in that: described mangetic core assembly is modular structure, that is: described mangetic core assembly comprises spool (03), described spool (03) is arranged on valve seat (18), and described valve seat (18) is arranged in described valve body (01) by sealing nut (04).
2., according to the modular valve blocks cored structure of large flow equilibrium formula pressure regulator valve claimed in claim 1, it is characterized in that: described modular structure also comprises seal ring (23), balance spring (20), small sealing ring (21), little seal ring (22) and depression bar (05); Described seal ring (23) is located on the surface of contact of valve body (01) and sealing nut (04); Described small sealing ring (21) and little seal ring (22) are located on the surface of contact of described sealing nut (04) and valve seat (18); One end of described depression bar (05) contacts with described balance spring (20), and the other end contacts with piston (10), thereby forms an overall structure, and by the folding of spool (03), makes input channel (106) and output channel (107) realize break-make.
3., according to the modular valve blocks cored structure of large flow equilibrium formula pressure regulator valve claimed in claim 2, it is characterized in that: described piston (10) contacts with Regulation spring (19) by spring seat (11).
4., according to the modular valve blocks cored structure of large flow equilibrium formula pressure regulator valve claimed in claim 3, it is characterized in that: described spring seat (11) is fastened on described piston (10) by spring seat locking nut (25).
5., according to the modular valve blocks cored structure of large flow equilibrium formula pressure regulator valve claimed in claim 1, it is characterized in that: described Regulation spring (19) is bearing on adjusting screw rod (07) by slide block (14) and steel ball (13); Described adjusting screw rod (07) is fixed on described valve gap (02) by locking nut (09).
6., according to the modular valve blocks cored structure of large flow equilibrium formula pressure regulator valve claimed in claim 1, it is characterized in that: described depression bar (05) is provided with vent (104), and two underpressure chamber (101,103) at described spool (03) two ends are communicated with.
7. according to the modular valve blocks cored structure of large flow equilibrium formula pressure regulator valve claimed in claim 1, it is characterized in that: be provided with dividing plate (06) in described valve body (01), on described dividing plate (6), be provided with Venturi tube (16), described dividing plate (06) is cut apart described output channel (107) and the cavity at piston (10) place; Establish Venturi tube (16) on described dividing plate (06), with the cavity UNICOM of described output channel (107) with piston (10) place.
8., according to the modular valve blocks cored structure of large flow equilibrium formula pressure regulator valve claimed in claim 7, it is characterized in that: described dividing plate (06) is fixed on described valve body (01) by screw (24).
9., according to the modular valve blocks cored structure of large flow equilibrium formula pressure regulator valve claimed in claim 1, it is characterized in that: on the surface of contact of described piston (10) and valve body (01), be provided with seal ring (12) and piston packing (17).
10., according to the modular valve blocks cored structure of large flow equilibrium formula pressure regulator valve claimed in claim 1, it is characterized in that: on described valve gap (02), be provided with balance joint (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320291983XU CN203286072U (en) | 2013-05-25 | 2013-05-25 | Modularized valve plug structure for high-flow balanced pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320291983XU CN203286072U (en) | 2013-05-25 | 2013-05-25 | Modularized valve plug structure for high-flow balanced pressure regulating valve |
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| Publication Number | Publication Date |
|---|---|
| CN203286072U true CN203286072U (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320291983XU Expired - Fee Related CN203286072U (en) | 2013-05-25 | 2013-05-25 | Modularized valve plug structure for high-flow balanced pressure regulating valve |
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| CN (1) | CN203286072U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256395A (en) * | 2013-05-25 | 2013-08-21 | 铜陵市三圆特种铸造有限责任公司 | Modularization spool structure of large-flow balance-type pressure regulating value |
| CN106567951A (en) * | 2015-10-08 | 2017-04-19 | 大丰市丰泰机电有限公司 | Quick-reaction voltage regulator adapted to dirty environment |
| CN108799583A (en) * | 2018-08-27 | 2018-11-13 | 成都川力智能流体设备股份有限公司 | A kind of pressure reducing valve feedback gas balancer |
-
2013
- 2013-05-25 CN CN201320291983XU patent/CN203286072U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256395A (en) * | 2013-05-25 | 2013-08-21 | 铜陵市三圆特种铸造有限责任公司 | Modularization spool structure of large-flow balance-type pressure regulating value |
| CN106567951A (en) * | 2015-10-08 | 2017-04-19 | 大丰市丰泰机电有限公司 | Quick-reaction voltage regulator adapted to dirty environment |
| CN108799583A (en) * | 2018-08-27 | 2018-11-13 | 成都川力智能流体设备股份有限公司 | A kind of pressure reducing valve feedback gas balancer |
| CN108799583B (en) * | 2018-08-27 | 2024-02-13 | 成都川力智能流体设备股份有限公司 | Pressure reducing valve feedback gas balancer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131113 Termination date: 20160525 |