CN109578593B - High-pressure gas pressure regulator - Google Patents
High-pressure gas pressure regulator Download PDFInfo
- Publication number
- CN109578593B CN109578593B CN201811509993.XA CN201811509993A CN109578593B CN 109578593 B CN109578593 B CN 109578593B CN 201811509993 A CN201811509993 A CN 201811509993A CN 109578593 B CN109578593 B CN 109578593B
- Authority
- CN
- China
- Prior art keywords
- membrane
- valve
- mounting plate
- valve rod
- fixing
- 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.)
- Active
Links
- 239000012528 membrane Substances 0.000 claims abstract description 49
- 238000007789 sealing Methods 0.000 claims description 22
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 25
- 230000000694 effects Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000001603 reducing effect Effects 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
- F16K1/465—Attachment of sealing rings to the valve seats
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
- F16K31/1262—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like one side of the diaphragm being spring loaded
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
- F16K31/1268—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like with a plurality of the diaphragms
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a high-pressure gas pressure regulator, which comprises a valve body, a valve seat, a valve core, a valve rod and a film component, wherein a control cavity and a valve cavity are formed in the valve body; the mounting plate is of a hollow structure, and a plurality of through holes are formed in the mounting plate; the membrane assembly comprises an upper membrane, a lower membrane and a spring arranged between the upper membrane and the lower membrane, and the upper membrane and the lower membrane are connected with the valve body. The invention reduces the impact of gas on the mounting plate, prolongs the service life of the mounting plate, and simultaneously avoids the severe deformation of the film component and prolongs the service life of the film component.
Description
Technical Field
The invention relates to the technical field of fuel gas conveying and adjusting equipment, in particular to a high-pressure fuel gas pressure regulator.
Background
The gas pressure regulator has the function of reducing the pressure of the gas medium with higher upstream pressure and then supplying gas to downstream users, namely the loading gas of the director controls the opening and closing of the gas pressure regulator, so that the pressure reducing effect is achieved, and the stability of the downstream pressure is maintained while different downstream gas requirements are met. Particularly for high pressure differential, high flow environments.
The Chinese patent grant bulletin number is: CN204114164U, authorized bulletin day 2015, 1 month 21, discloses a gas pressure regulator, avoiding the installation of balance components by installing plates with holes; the disadvantage of this patent is that: 1. the mounting plate is solid, so that impact on the mounting plate is large when the pressure is high or the flow is high, and fatigue damage of the mounting plate is increased for a long time; 2. when suddenly pressurized or depressurized, the gas passes through the valve core and the valve body in a sealing way; 3. the membrane component is of a single-layer membrane structure, fatigue damage is easy to be caused by long-time high-pressure or large-flow impact, and the service life of the pressure regulator is low.
Disclosure of Invention
According to the defects of the prior art, the invention aims to provide the high-pressure gas pressure regulator, which has the advantages of increasing the sealing effect of a valve core, reducing the impact of gas on a mounting plate, prolonging the service life of the mounting plate, avoiding the severe deformation of a film component and prolonging the service life of the film component.
In order to solve the technical problems, the invention adopts the following technical scheme:
the high-pressure gas pressure regulator comprises a valve body, a valve seat, a valve core, a valve rod and a film component, wherein a control cavity and a valve cavity are formed in the valve body, an air inlet and an air outlet are formed in the valve body, the valve seat is arranged in the valve cavity, the film component is arranged in the control cavity and divides the control cavity into two parts, two ends of the valve rod are respectively connected with the film component and the valve seat, a reset spring is further arranged on the valve rod, the valve core is connected with the valve rod through a mounting plate, a sealing element is connected with the bottom of the valve core, at least two groups of sealing grooves are formed in the sealing element, and sealing rings matched with the sealing grooves are arranged on the valve seat;
the mounting plate is hollow structure, it has a plurality of through-hole to open on the mounting plate, avoids setting up other balancing unit on the case on the one hand, on the other hand increases the life of mounting plate, when there is high-pressure gas or high-flow gas punching press mounting plate, because the mounting plate is hollow structure, the gas flows the mounting plate again in the hollow structure internal recycle of mounting plate, and the opposite effort of mounting plate is given to gas and the outer gas of mounting plate in the hollow structure, reduces the impact of gas to the mounting plate one side, increases the life of mounting plate.
The membrane assembly comprises an upper membrane, a lower membrane and a spring arranged between the upper membrane and the lower membrane, wherein the upper membrane and the lower membrane are connected with the valve body.
Further, in order to increase the strength of the mounting plate, a plurality of reinforcing ribs are arranged inside the mounting plate.
Further, in order to achieve connection of the valve stem to the membrane assembly, movement of the valve stem is caused either by deformation of the upper membrane or by deformation of the lower membrane, the valve stem is provided with an upper support ring and a lower support ring, the bottom of the upper membrane is connected with the upper support ring, and the top of the lower membrane is connected with the lower support ring.
Further, in order to be convenient for go up the fixed of diaphragm and lower diaphragm, the upper and lower side of valve rod is equipped with fixation nut respectively, the top of diaphragm is gone up in the fixation nut of valve rod upside, the bottom of diaphragm is gone down in the fixation nut of valve rod downside.
Further, in order to prevent the violent deformation of upper and lower diaphragm, be equipped with spacing stand on upper diaphragm and the lower diaphragm respectively, the spring housing is on spacing stand, and when the spacing stand collision contact of upper and lower diaphragm, upper diaphragm and lower diaphragm are integrative, and the deformation together, spacing stand play the effect of buffering simultaneously, increase film package's life.
Further, the membrane assembly further comprises a fixing ring, the upper membrane and the lower membrane are respectively connected with the fixing ring, the valve body is provided with a ring groove, and the fixing ring is connected with the ring groove.
Further, an upper fixing groove and a lower fixing groove are formed in the fixing ring respectively, the upper diaphragm is connected with the upper fixing groove, and the lower diaphragm is connected with the lower fixing groove.
Further, the upper diaphragm and the lower diaphragm are fixedly connected with the fixed ring through countersunk screws respectively.
The invention has the beneficial effects that: through the mounting plate with the hollow structure, when high-pressure gas or high-flow gas is stamped on the mounting plate, the gas circulates in the hollow structure of the mounting plate and flows out of the mounting plate again, the gas in the hollow structure and the gas outside the mounting plate give opposite acting force to one side of the mounting plate, so that the impact of the gas on one side of the mounting plate is reduced, and the service life of the mounting plate is prolonged; the spring between the upper diaphragm and the lower diaphragm plays a role in buffering, so that the film assembly is prevented from being deformed severely under large impact, and the service life of the film assembly is prolonged; by sealing the sealing element with the valve seat, the sealing effect is increased.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of the area A of the present invention;
FIG. 3 is a schematic view of the mounting plate of the present invention.
In the figure: 1-a valve body; 2-valve seat; 3-valve core; 4-a valve rod; 5-a return spring; 6-a membrane module; 60-upper membrane; 61-lower membrane; 62-a spring; 63-a securing ring; 630-upper fixing groove; 631-lower fixing groove; 7-an air inlet; 8-an air outlet; 9-mounting plates; 90-through holes; 10-a control chamber; 11-valve cavity; 12-a seal; 13-sealing the groove; 14-reinforcing ribs; 15-a sealing ring; 16-an upper support ring; 17-a lower support ring; 18-fixing the nut; 19-ring grooves; 20-limiting stand columns; 21-countersunk head screw.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
The high-pressure gas pressure regulator is shown in figures 1-3 and comprises a valve body 1, a valve seat 2, a valve core 3, a valve rod 4 and a film component 6, wherein a control cavity 10 and a valve cavity 11 are formed in the valve body 1, an air inlet 7 and an air outlet 8 are arranged on the valve body 1, the valve seat 2 is arranged in the valve cavity 11, the film component 6 is arranged in the control cavity 10 and divides the control cavity 10 into two parts, two ends of the valve rod 4 are respectively connected with the film component 6 and the valve seat 2, a return spring 5 is further arranged on the valve rod 4, the valve core 3 is connected with the valve rod 4 through a mounting plate 9, a sealing element 12 is connected with the bottom of the valve core 3, at least two groups of sealing grooves 13 are arranged on the sealing element 12, and sealing rings 15 matched with the sealing grooves 13 are arranged on the valve seat 2;
the mounting plate 9 is of a hollow structure, and a plurality of through holes 90 are formed in the mounting plate 9;
the diaphragm assembly 6 includes an upper diaphragm 60, a lower diaphragm 61, and a spring 62 provided between the upper diaphragm 60 and the lower diaphragm 61, the upper diaphragm 60 and the lower diaphragm 61 being connected to the valve body 1.
A plurality of reinforcing ribs 14 are arranged inside the mounting plate 9.
To effect the connection of the valve stem 4 to the diaphragm assembly 6, both the deformation of the upper diaphragm 60 and the deformation of the lower diaphragm 61 cause movement of the valve stem 4, the valve stem 4 is provided with an upper support ring 16 and a lower support ring 17, the bottom of the upper diaphragm 60 being connected to the upper support ring 16 and the top of the lower diaphragm 61 being connected to the lower support ring 17.
In order to facilitate the fixation of the upper diaphragm 60 and the lower diaphragm 61, the upper and lower sides of the valve rod 4 are respectively provided with a fixing nut 18, the fixing nut 18 on the upper side of the valve rod 4 fixes the top of the upper diaphragm 60, and the fixing nut 18 on the lower side of the valve rod 4 fixes the bottom of the lower diaphragm 61.
In order to prevent the severe deformation of the upper and lower diaphragms 61, the upper diaphragm 60 and the lower diaphragm 61 are respectively provided with a limiting upright post 20, a spring 62 is sleeved on the limiting upright posts 20, when the limiting upright posts 20 of the upper and lower diaphragms 60, 61 collide and contact, the upper diaphragm 60 and the lower diaphragm 61 are integrated into a whole, and deform together while the limiting upright posts 20 play a role of buffering, so that the service life of the membrane assembly 6 is prolonged.
The membrane assembly 6 further comprises a fixing ring 63, the upper membrane 60 and the lower membrane 61 are respectively connected with the fixing ring 63, the valve body 1 is provided with a ring groove 19, and the fixing ring 63 is connected with the ring groove 19.
The fixing ring 63 is provided with an upper fixing groove 630 and a lower fixing groove 631, the upper diaphragm 60 is connected with the upper fixing groove 630, and the lower diaphragm 61 is connected with the lower fixing groove 631.
The upper diaphragm 60 and the lower diaphragm 61 are fixedly connected with the fixing ring 63 by countersunk screws 21, respectively.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The utility model provides a high-pressure gas pressure regulator, it includes valve body (1), disk seat (2), case (3), valve rod (4) and film subassembly (6), form control chamber (10), valve pocket (11) in valve body (1), be equipped with air inlet (7) and gas outlet (8) on valve body (1), disk seat (2) are established in valve pocket (11), film subassembly (6) are established in control chamber (10) and are divided into two parts with control chamber (10), the both ends of valve rod (4) are connected with film subassembly (6) and disk seat (2) respectively, still be equipped with reset spring (5) on valve rod (4), case (3) are connected with valve rod (4) through mounting panel (9), its characterized in that: the bottom of the valve core (3) is connected with a sealing element (12), at least two groups of sealing grooves (13) are formed in the sealing element (12), and sealing rings (15) matched with the sealing grooves (13) are arranged on the valve seat (2);
the mounting plate (9) is of a hollow structure, and a plurality of through holes (90) are formed in the mounting plate (9);
the membrane assembly (6) comprises an upper membrane (60), a lower membrane (61) and a spring (62) arranged between the upper membrane (60) and the lower membrane (61), wherein the upper membrane (60) and the lower membrane (61) are connected with the valve body (1);
limiting stand columns (20) are respectively arranged on the upper membrane (60) and the lower membrane (61);
the membrane assembly (6) further comprises a fixed ring (63), the upper membrane (60) and the lower membrane (61) are respectively connected with the fixed ring (63), the valve body (1) is provided with an annular groove (19), and the fixed ring (63) is connected with the annular groove (19);
an upper fixing groove (630) and a lower fixing groove (631) are respectively formed in the fixing ring (63), the upper membrane (60) is connected with the upper fixing groove (630), and the lower membrane (61) is connected with the lower fixing groove (631);
the upper membrane (60) and the lower membrane (61) are fixedly connected with the fixed ring (63) through countersunk screws (21) respectively.
2. A high pressure gas pressure regulator as defined in claim 1, wherein: a plurality of reinforcing ribs (14) are arranged in the mounting plate (9).
3. A high pressure gas pressure regulator as defined in claim 1, wherein: the valve rod (4) is provided with an upper supporting ring (16) and a lower supporting ring (17), the bottom of the upper membrane (60) is connected with the upper supporting ring (16), and the top of the lower membrane (61) is connected with the lower supporting ring (17).
4. A high pressure gas pressure regulator as defined in claim 2, wherein: the upper side and the lower side of the valve rod (4) are respectively provided with a fixing nut (18), the fixing nut (18) at the upper side of the valve rod (4) is used for fixing the top of the upper diaphragm (60), and the fixing nut (18) at the lower side of the valve rod (4) is used for fixing the bottom of the lower diaphragm (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811509993.XA CN109578593B (en) | 2018-12-11 | 2018-12-11 | High-pressure gas pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811509993.XA CN109578593B (en) | 2018-12-11 | 2018-12-11 | High-pressure gas pressure regulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109578593A CN109578593A (en) | 2019-04-05 |
| CN109578593B true CN109578593B (en) | 2023-10-27 |
Family
ID=65928958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811509993.XA Active CN109578593B (en) | 2018-12-11 | 2018-12-11 | High-pressure gas pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578593B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2620806Y (en) * | 2003-04-29 | 2004-06-16 | 攀枝花新钢钒股份有限公司热电厂 | Pressure control valve |
| CN203023506U (en) * | 2012-12-20 | 2013-06-26 | 嘉兴市兴凯科技有限公司 | Natural gas pressure reducer for vehicle |
| CN104265910A (en) * | 2014-10-09 | 2015-01-07 | 成都久宇燃气设备有限公司 | Fuel gas pressure regulator |
| CN205207817U (en) * | 2015-12-18 | 2016-05-04 | 河北欧意诺燃气设备有限公司 | Case steady voltage gas pressure regulator |
| CN205806604U (en) * | 2016-05-26 | 2016-12-14 | 宁波新佳行自动化工业有限公司 | A kind of New type pressure regulating valve |
-
2018
- 2018-12-11 CN CN201811509993.XA patent/CN109578593B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2620806Y (en) * | 2003-04-29 | 2004-06-16 | 攀枝花新钢钒股份有限公司热电厂 | Pressure control valve |
| CN203023506U (en) * | 2012-12-20 | 2013-06-26 | 嘉兴市兴凯科技有限公司 | Natural gas pressure reducer for vehicle |
| CN104265910A (en) * | 2014-10-09 | 2015-01-07 | 成都久宇燃气设备有限公司 | Fuel gas pressure regulator |
| CN205207817U (en) * | 2015-12-18 | 2016-05-04 | 河北欧意诺燃气设备有限公司 | Case steady voltage gas pressure regulator |
| CN205806604U (en) * | 2016-05-26 | 2016-12-14 | 宁波新佳行自动化工业有限公司 | A kind of New type pressure regulating valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109578593A (en) | 2019-04-05 |
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