CN110056703B - Pressure conversion device of gas pressure regulator - Google Patents
Pressure conversion device of gas pressure regulator Download PDFInfo
- Publication number
- CN110056703B CN110056703B CN201910374730.0A CN201910374730A CN110056703B CN 110056703 B CN110056703 B CN 110056703B CN 201910374730 A CN201910374730 A CN 201910374730A CN 110056703 B CN110056703 B CN 110056703B
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- CN
- China
- Prior art keywords
- pressing seat
- piece
- elastic
- pressure
- conversion device
- 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.)
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Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 19
- 239000002737 fuel gas Substances 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 41
- 238000000034 method Methods 0.000 abstract description 9
- 230000001105 regulatory effect Effects 0.000 abstract description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 7
- 239000003345 natural gas Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000001294 propane Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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
- 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
-
- 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
- F16K31/44—Mechanical actuating means
-
- 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
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding And Controlling Fuel (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a pressure conversion device of a gas pressure regulator, which comprises a valve body, a pressure regulating valve and a pressure regulating valve, wherein the valve body is provided with a first flow channel for gas to flow in and a second flow channel for gas to flow out; the valve cover is used for being connected with the valve body; the channel is arranged on the valve body and used for allowing fuel gas to flow into the second flow channel from the first flow channel; a pressure limiting piece which can move up and down to adjust the flow rate of the fuel gas passing through the channel; the first elastic piece is used for pushing the pressure limiting piece to act downwards for the first time so as to open the channel, so that fuel gas flows into the second flow channel; the second elastic piece is used for pushing the pressure limiting piece to move downwards again; and the screw connection piece is detachably connected with the valve cover. According to the invention, the pressing seat is arranged on the fixed rod, and then the first position and the second position are switched by manually pulling the pressing seat, so that the operation is convenient in the process, and the situation that the pressing seat falls off in the switching process is avoided.
Description
Technical Field
The invention belongs to the technical field of valves, and particularly relates to a pressure conversion device of a gas pressure regulator.
Background
Among the dyes at present, natural Gas (NG) and propane (LP) are often used as existing more common fuels, and because of the nature of natural gas and propane, the pressure formed by the input natural gas and propane in the pipeline is different, while the existing combustion equipment needs to be input with 2000 pa, so the input fuel gas reaches the standard value because the input fuel gas needs to be subjected to pressure regulation through a pressure regulator, the existing pressure conversion device on the market controls the flow rate of the fuel gas, so that the fuel gas is re-input into the combustion device after the pressure of the fuel gas in the pipeline reaches the designated pressure, while the existing conversion device needs to screw out a nut when the fuel gas is regulated in the NG state and the PG state, then take out a part on the nut, manually change an orientation, then reload the nut onto the valve, and then screw the nut onto the valve.
Disclosure of Invention
The invention provides a gas pressure regulator pressure conversion device which is convenient to operate in order to overcome the defects of the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a pressure conversion device for a gas pressure regulator comprises
The valve body is provided with a first flow passage for fuel gas to flow in and a second flow passage for fuel gas to flow out;
the valve cover is used for being connected with the valve body;
the channel is arranged on the valve body and used for allowing fuel gas to flow into the second flow channel from the first flow channel;
a pressure limiting piece which can move up and down to adjust the flow rate of the fuel gas passing through the channel;
the first elastic piece is used for pushing the pressure limiting piece to act downwards for the first time so as to open the channel, so that fuel gas flows into the second flow channel;
the second elastic piece is used for pushing the pressure limiting piece to move downwards again;
the screw joint piece is detachably connected with the valve cover;
the fixed rod is connected with the screw-connection piece;
the pressing seat is sleeved on the fixed rod and applies pressure F to enable the second elastic piece to push the pressure limiting piece, the pressing seat is provided with a first position and a second position on the fixed rod, and when the pressing seat is positioned at the first position, the pressure F of the pressing seat to the second elastic piece is zero; when the pressing seat is positioned at the second position, the pressure F of the pressing seat to the second elastic piece is larger than zero.
According to the invention, the pressing seat is arranged on the fixed rod, and then the first position and the second position are switched by manually pulling the pressing seat, so that the pressing seat does not need to be taken down to be replaced, the situation that the pressing seat falls off and the like in the switching process is avoided, the operation is convenient and quick, the valve can not be used any more due to the fact that the pressing seat is lost, and the service life of the whole valve is prolonged.
Preferably, the fixing rod comprises a first rod body part connected with the pressing seat in a rotation stopping way and a second rod body part used for enabling the pressing seat to rotate, and when the pressing seat is located at the second position, the pressing seat is propped against the lower part of the first rod body part; the pressing seat can prop against the bottom of the first rod body when in the second position, at the moment, the pressing seat can not move upwards any more, and the pressure of the pressing seat to the second elastic piece can be kept constant in the process, so that the movable distance of the second elastic piece pushing the pressure limiting piece can not change, at the moment, the thrust force born by the pressure limiting piece is stable, and the pressure conversion is stable; and because the lower end of the first rod body is directly used for limiting, other structures are not required to be additionally arranged for limiting, the whole fixing rod is simple in structure, low in cost and simple to operate.
Preferably, an anti-falling part matched with the pressing seat is arranged at the lower part of the second rod body; through setting up anticreep portion can ensure when pressing the seat and move to the second position by first position, presses the seat and can not disconnect from the dead lever, consequently need not to carefully promote when the operation and press the seat action, can realize promoting fast and press the seat action and realize pressing the seat to be by first position to second position, its convenient operation improves the speed of pushing the seat action of pressing, presses the stability of seat motion high moreover.
Preferably, the device further comprises a third elastic piece sleeved on the fixing rod, and the upper end of the third elastic piece is propped against the pressing seat; through setting up the third elastic component can be when pressing the seat in the first position, the third elastic component withstands and presses the seat and can not fall voluntarily, and stability is high when guaranteeing to press the seat in the first position, because the setting of third elastic component is pressing the seat and need be by first position conversion to the second position when pressing the seat moreover, only need rotate and press the seat, the third elastic component can initiatively promote to press the seat upward action, and this setting makes the operation press the seat to act up and down the process more simple and convenient.
Preferably, the pressing seat is provided with a positioning concave part which is in plug-in fit with the lower part of the first rod body; the positioning concave part is arranged to ensure that the pressing seat cannot rotate when the pressing seat is positioned at the second position, so that the pressing seat cannot rotate when the pressing seat works, the phenomenon that the pressing seat actively restores to the first position due to rotation of the pressing seat is avoided, and the stability of the pressing seat in the use process is ensured.
Preferably, the screw connector is provided with a boss part, and when the pressing seat is positioned at the first position, the pressing seat is contacted with the boss part and the edge of the pressing seat is suspended; through boss portion setting, it has done spacingly to pressing the seat, avoids pressing the edge of seat to contact with the nut to when pressing the seat, can make things convenient for the nail or other instrument to contact with pressing the seat edge, and then promote to press the seat downward movement, its convenient operation and swift.
Preferably, the screw-connection piece is sleeved with a sealing piece matched with the valve cover, and the sealing piece is provided with a plurality of convex parts; when the sealing piece is arranged to keep the screw-connection piece connected with the valve cover, the sealing property between the screw-connection piece and the valve cover is good, and the sealing property of the whole valve body can be effectively improved; the plurality of protruding parts are arranged and are limited with the threads on the screw joint part, so that even when the screw joint part is detached, the sealing part cannot fall off, and time and labor are saved during operation; and further increases the sealing performance between the seal and the screw and the valve cover because of the use of the projection arrangement.
Preferably, the valve body is provided with an elastic sealing piece for pulling the pressure limiting piece upwards, and the pressure limiting piece is connected with the elastic sealing piece; through setting up the elastic sealing piece, its one side has ensured the leakproofness of the inside of whole valve body, has kept the inside gas of valve body and can not take place to leak, and on the other hand because the elastic sealing piece self has elasticity, so when needs change to output pressure, the elasticity of elastic sealing piece self can promote whole pressure limiting piece and act upwards to realize the process of initiative conversion.
Preferably, the elastic sealing piece is provided with an elastic part with an arched section; the elastic part is arranged in an arch shape, so that the elastic effect is good, the elastic part can be actively reset, and the operation is convenient and easy.
Preferably, a gasket is arranged on the elastic sealing piece, and the lower parts of the first elastic piece and the second elastic piece are propped against the gasket; the gasket can be kept when the elasticity of the first elastic piece and the second elastic piece acts downwards, the elastic gasket is uniformly stressed and can not be deformed locally due to pressure, and the deformation can be ensured to be formed by the action of the elastic part.
In summary, the pressing seat is arranged on the fixed rod, and then the first position and the second position are switched by manually pulling the pressing seat, so that the operation is convenient in the process, and the situation that the pressing seat falls off in the process of switching is avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the second embodiment of the present invention.
Fig. 3 is a cross-sectional view A-A of fig. 2.
Fig. 4 is an enlarged view of a in fig. 3.
Fig. 5 is an exploded view of the present invention.
Fig. 6 is a schematic view of a partial structure of the present invention.
Fig. 7 is a partial exploded view of the present invention.
Detailed Description
In order to enable those skilled in the art to better understand the present invention, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-7, a pressure conversion device of a gas regulator comprises a valve body 1, a valve cover 2, a channel 10, a pressure limiting piece 3, a first elastic piece 4, a second elastic piece 5, a third elastic piece 9, a screw-connection piece 6, a fixed rod 7 and a pressure seat 8, wherein the valve body 1 is a valve made of copper metal, the valve body 1 is provided with a first flow channel 11 and a second flow channel 12, and gas flows in from the first flow channel 11 and then flows into the second channel 12 through the channel 10; specifically, the first flow channel 11 is a horizontal approximately conical cavity, and the inner wall of the end of the first flow channel 11 is provided with internal threads, so that when the first flow channel 11 is connected, the inner wall of the first flow channel 11 can be connected with the air supply pipeline, the channel 10 is a through hole 10 formed on the side wall of the upper part of the first flow channel 11, the through hole 10 is a circular hole, the second flow channel 12 is a special-shaped channel, and the end of the second flow channel 12 is also provided with internal threads, so that the inner wall of the second flow channel 12 is connected with the end of the air supply pipeline.
Further, a concave portion is provided on the first flow channel 11, the channel 10 is communicated with the concave portion, a sealing ring 112 is placed on the concave portion, the sealing ring 112 is a rubber ring, the pressure limiting member 3 is a plastic member or a rubber member similar to a T shape, the pressure limiting member 3 is a plastic member passing through the sealing ring 112, and when the pressure limiting member 3 acts upward, a through hole on the sealing ring 112 is blocked; so that the gas in the first flow passage 11 does not flow into the second flow passage 12; the valve body 1 is provided with a fixing concave part 101, an elastic sealing piece 14 is arranged above the through hole 100, the elastic sealing piece 14 is a rubber membrane, the middle part of the elastic sealing piece 14 is provided with a sleeving part 142, and the upper part of the pressure limiting piece 3 can be inserted into the sleeving part 142, so that the inside of the whole valve body 1 can be sealed; the end of the elastic sealing piece 14 is thickened, the edge of the elastic sealing piece 14 is arranged in the concave part 101, after the valve cover 2 is connected with the valve body 1, the valve cover 2 presses the edge of the elastic sealing piece 14, so that the elastic sealing piece 14 does not move when the elastic sealing piece 14 is elastically deformed; the elastic sealing piece 14 is provided with an elastic portion 141, and the elastic portion 141 has an arcuate cross section, so that when the pressure limiter 3 needs to move up and down, the elastic sealing piece 14 deforms to move up and down by the deformation of the elastic portion 141.
Specifically, a gasket 15 is placed on the elastic sealing piece 14, the gasket 15 is a metal sheet, a plurality of fixing convex parts 151 are arranged on the gasket 15, the fixing convex parts 151 are inclined protruding pieces, the first elastic piece 4 is a spring, and the lower part of the first elastic piece 4 is clamped on the fixing convex parts 151, so that the lower part of the first elastic piece 4 is positioned; the valve cover 2 is a copper metal cover, the valve cover 2 is adhered to the valve body 1 or fixed together through a screw, the valve cover 2 is provided with a pressure regulating part 20, the pressure regulating part 20 is a boss similar to a truncated cone, the pressure regulating part 20 is provided with a connecting cavity, the inner wall of the connecting cavity is provided with internal threads, a positioning piece 21 is arranged in the connecting cavity, the positioning piece 21 is a metal block, the positioning piece 21 is connected with the inside of the first elastic piece 4, the upper part of the first elastic piece 4 abuts against the positioning piece 21, so that the first elastic piece 4 can be compressed, the first elastic piece 4 can apply pressure to the gasket 15, the gasket 15 can transfer the pressure to the elastic sealing piece 14, and the pressure limiting piece 3 can act downwards, so that the through hole 100 is opened for the gas in the first flow channel 11 to flow into the second flow channel 12.
Further, a second elastic member 5 penetrates into the first elastic member 4, the second elastic member 5 is also a spring, the lower part of the first elastic member 4 is in contact with the gasket 15, and the second elastic member 5 is pressed downwards by the pressing seat 8, so that the pressure limiting member 3 also acts downwards, and the amount of fuel gas passing through the through hole is increased; further, the screw connection member 6 is a nut, the screw connection member 6 may be screwed with the inner wall of the connection cavity, the fixing rod 7 is a plastic rod, the fixing rod 7 is screwed with the middle of the screw connection member 6, the fixing rod 7 is connected with the screw connection member 6, the fixing rod 7 includes a first rod body portion 71 and a second rod body portion 72, the first rod body portion 71 is a plastic portion with a planar side wall, the second rod body portion 71 and the first rod body portion 72 are integrally formed, the width of the first rod body portion 71 is larger than the diameter of the second rod body portion 72, the pressing seat 8 is a plastic seat, a sleeve hole 80 is provided on the pressing seat 8, the sleeve hole 80 is a special-shaped hole, and the sleeve hole 80 is sleeved on the fixing rod 7; the pressing seat 8 has a first position and a second position on the fixing rod 7, wherein when the pressing seat is located at the first position, the lower portion of the fixing rod 7 can be inserted into the second elastic member 5, when the pressing seat 8 is located at the second position, the pressing seat 8 can be located at the lower portion of the fixing rod 7, the pressing seat 8 contacts with the upper end of the second elastic member 5, and the second elastic member 5 is pressed down, so that the second elastic member 5 pushes the pressure limiting member 3 to move downward again.
Specifically, the third elastic member 9 is a spring, the third elastic member 9 is sleeved on the fixing rod 7, and the upper part of the third elastic member 9 is propped against the pressing seat 8 and pushes the pressing seat 8 upwards; a positioning concave part 81 is arranged on the pressing seat 8, the positioning concave part 81 is a groove, and after the pressing seat is pushed to the second position, the lower part of the first rod body part 71 is inserted into the positioning concave part 81, so that the pressing seat 8 can not rotate relative to the first rod body part 71; a drop-preventing portion 73 is disposed at the lower portion of the second rod body 72, the drop-preventing portion 73 is a boss, and the lower end of the third elastic member 9 is supported on the drop-preventing portion 73.
Further, a boss portion 61 is provided on the screw member 6, the boss portion 61 is a conical truncated cone, when the pressing seat 8 is located at the first position, the pressing seat 8 will be in contact with the boss portion 61, and the edge of the pressing seat 8 is suspended; meanwhile, a sealing piece 61 is arranged on the screw-connection piece 6, the sealing piece 61 is sleeved on the screw-connection piece 6, and after the screw-connection piece 6 is connected with the pressure regulating part 20, the sealing piece 61 is contacted with the pressure regulating part 20, so that the tightness between the screw-connection piece and the pressure regulating part 20 is ensured; the seal 61 is provided with a plurality of projections 62, and the projections 62 are engaged with the external thread of the screw 6.
Specifically, when the pressing seat 8 is located at the first position in use, the fixing rod 7 and the third elastic member 9 are transferred into the second elastic member 5, and the pressing seat 8 is not contacted with the second elastic member, so that the pressure limiting member 3 is only pushed by the first elastic member, and the elastic force of the first elastic member pushes the pressure limiting member 3 to act downwards through the gasket and the elastic sealing piece, thereby exposing the channel 10; when the pressing seat 8 is located at the second position, the pressing seat 8 contacts with the second elastic member 5 and applies pressure F to the second elastic member to compress 0 the second elastic member 5, so that the second elastic member 5 pushes the pressure limiting member to act downward again through the gasket and the elastic sealing piece.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides a gas regulator pressure conversion device which characterized in that: comprising
A valve body (1) having a first flow passage (11) into which fuel gas flows and a second flow passage (12) from which fuel gas flows out;
a valve cover (2) which is connected with the valve body (1);
a channel (10) arranged on the valve body (1) and used for supplying fuel gas to flow into the second flow channel (12) from the first flow channel (11);
a pressure limiting piece (3) which can move up and down to adjust the flow rate of the fuel gas passing through the channel (10);
a first elastic member (4) for pushing the pressure limiting member (3) to act downward for the first time to open the passage (10) so that the fuel gas flows into the second flow passage (12);
a second elastic piece (5) for pushing the pressure limiting piece (3) to move downwards again;
the screw-connection piece (6) is detachably connected with the valve cover (2);
a fixed rod (7) connected with the screw connector (6);
the pressing seat (8) is sleeved on the fixed rod (7) and applies pressure F to enable the second elastic piece (5) to push the pressure limiting piece (3), the pressing seat (8) is provided with a first position and a second position on the fixed rod (7), and when the pressing seat (8) is positioned at the first position, the pressure F of the pressing seat (8) on the second elastic piece (5) is zero; when the pressing seat (8) is positioned at the second position, the pressure F of the pressing seat (8) to the second elastic piece (5) is larger than zero;
the fixed rod (7) comprises a first rod body part (71) which is in rotation-stopping connection with the pressing seat (8) and a second rod body part (72) which is used for enabling the pressing seat (8) to rotate, and when the pressing seat (8) is located at a second position, the pressing seat (8) is propped against the lower part of the first rod body part (71); the novel pressing seat is characterized by further comprising a third elastic piece (9) sleeved on the fixing rod (7), and the upper end of the third elastic piece (9) is propped against the pressing seat (8).
2. The gas pressure regulator switching device according to claim 1, wherein: the lower part of the second rod body part (72) is provided with an anti-falling part (73) matched with the pressing seat (8).
3. The gas regulator pressure conversion device according to claim 1, wherein: the pressing seat (8) is provided with a positioning concave part (81) which is in plug-in fit with the lower part of the first rod body part (71).
4. The gas regulator pressure conversion device according to claim 1, wherein: the screw connector (6) is provided with a boss part (61), and when the pressing seat (8) is positioned at the first position, the pressing seat (8) is contacted with the boss part (61) and the edge of the pressing seat (8) is suspended.
5. The gas regulator pressure conversion device according to claim 4, wherein: the screw-on piece (6) is sleeved with a sealing piece (61) matched with the valve cover (2), and the sealing piece (61) is provided with a plurality of convex parts (62).
6. The gas regulator pressure conversion device according to claim 1, wherein: an elastic sealing piece (14) for pulling the pressure limiting piece (3) upwards is arranged on the valve body (1), and the pressure limiting piece (3) is connected with the elastic sealing piece (14).
7. The gas regulator pressure conversion device according to claim 6, wherein: the elastic sealing piece (14) is provided with an elastic part (141) with an arched section.
8. The gas regulator pressure conversion device according to claim 6, wherein: the elastic sealing piece (14) is provided with a gasket (15), and the lower parts of the first elastic piece and the second elastic piece are propped against the gasket (15).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910374730.0A CN110056703B (en) | 2019-05-07 | 2019-05-07 | Pressure conversion device of gas pressure regulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910374730.0A CN110056703B (en) | 2019-05-07 | 2019-05-07 | Pressure conversion device of gas pressure regulator |
Publications (2)
Publication Number | Publication Date |
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CN110056703A CN110056703A (en) | 2019-07-26 |
CN110056703B true CN110056703B (en) | 2024-01-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910374730.0A Active CN110056703B (en) | 2019-05-07 | 2019-05-07 | Pressure conversion device of gas pressure regulator |
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CN (1) | CN110056703B (en) |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1281435A (en) * | 1969-04-01 | 1972-07-12 | Companion Heaters Pty | Improved gas control valve |
GB1305506A (en) * | 1970-05-21 | 1973-02-07 | ||
GB1364271A (en) * | 1970-08-17 | 1974-08-21 | Honeywell Inc | Gas pressure regulators |
KR950012063U (en) * | 1993-10-21 | 1995-05-16 | 동양매직 주식회사 | LPG, LNG gas pressure control governor |
KR950012065U (en) * | 1993-10-29 | 1995-05-16 | 김동숙 | Pressure reducing valve of gas combustion mechanism |
KR200385261Y1 (en) * | 2005-03-14 | 2005-05-25 | 주식회사 코베아 | A Gas Pressure Regulating Valve |
KR20090072318A (en) * | 2007-12-28 | 2009-07-02 | 동양다이캐스팅 주식회사 | Orifice ring for gas regulator |
KR101724368B1 (en) * | 2016-06-15 | 2017-04-18 | 주식회사오리온이앤에스 | regulator |
CN107448656A (en) * | 2016-06-01 | 2017-12-08 | 江门市国隆精密阀体有限公司 | A kind of gas valve |
CN108413074A (en) * | 2018-06-14 | 2018-08-17 | 东莞海特帕沃液压科技有限公司 | A kind of insert type change-over valve |
CN210318758U (en) * | 2019-05-07 | 2020-04-14 | 宁波万安股份有限公司 | Pressure conversion device of gas pressure regulator |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2713327T3 (en) * | 2007-10-22 | 2019-05-21 | Bertelli & Partners Srl | Multifunction safety valve device with built-in proportional pressure regulator |
-
2019
- 2019-05-07 CN CN201910374730.0A patent/CN110056703B/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1281435A (en) * | 1969-04-01 | 1972-07-12 | Companion Heaters Pty | Improved gas control valve |
GB1305506A (en) * | 1970-05-21 | 1973-02-07 | ||
GB1364271A (en) * | 1970-08-17 | 1974-08-21 | Honeywell Inc | Gas pressure regulators |
KR950012063U (en) * | 1993-10-21 | 1995-05-16 | 동양매직 주식회사 | LPG, LNG gas pressure control governor |
KR950012065U (en) * | 1993-10-29 | 1995-05-16 | 김동숙 | Pressure reducing valve of gas combustion mechanism |
KR200385261Y1 (en) * | 2005-03-14 | 2005-05-25 | 주식회사 코베아 | A Gas Pressure Regulating Valve |
KR20090072318A (en) * | 2007-12-28 | 2009-07-02 | 동양다이캐스팅 주식회사 | Orifice ring for gas regulator |
CN107448656A (en) * | 2016-06-01 | 2017-12-08 | 江门市国隆精密阀体有限公司 | A kind of gas valve |
KR101724368B1 (en) * | 2016-06-15 | 2017-04-18 | 주식회사오리온이앤에스 | regulator |
CN108413074A (en) * | 2018-06-14 | 2018-08-17 | 东莞海特帕沃液压科技有限公司 | A kind of insert type change-over valve |
CN210318758U (en) * | 2019-05-07 | 2020-04-14 | 宁波万安股份有限公司 | Pressure conversion device of gas pressure regulator |
Also Published As
Publication number | Publication date |
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CN110056703A (en) | 2019-07-26 |
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