CN220727954U - Natural gas safety protection pressure regulating device - Google Patents
Natural gas safety protection pressure regulating device Download PDFInfo
- Publication number
- CN220727954U CN220727954U CN202322522271.0U CN202322522271U CN220727954U CN 220727954 U CN220727954 U CN 220727954U CN 202322522271 U CN202322522271 U CN 202322522271U CN 220727954 U CN220727954 U CN 220727954U
- Authority
- CN
- China
- Prior art keywords
- rod
- valve body
- pressure regulating
- natural gas
- regulating 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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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 37
- 239000003345 natural gas Substances 0.000 title claims abstract description 35
- 239000010985 leather Substances 0.000 claims abstract description 6
- 239000012528 membrane Substances 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 9
- 244000309464 bull Species 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Safety Valves (AREA)
Abstract
The utility model discloses a natural gas safety protection pressure regulating device in the field of pressure regulating devices, which comprises a valve body, wherein the interior of the valve body is divided into a conveying cavity and a control cavity, two sides of the valve body are respectively provided with an air inlet and an air outlet which are communicated with the conveying cavity, the interiors of the conveying cavity and the control cavity are respectively provided with a leather membrane, the interiors of the conveying cavity are provided with pressure regulating components, and the interiors of the control cavity are provided with restoration components.
Description
Technical Field
The utility model relates to the field of pressure regulating devices, in particular to a natural gas safety protection pressure regulating device.
Background
Natural gas is stored in underground porous rock stratum, including oil field gas, coal bed gas, mud fire mountain gas, etc. and is used as fuel in high quality fuel and chemical material, and is mainly used in producing carbon black, chemical medicine and liquefied petroleum gas.
However, most of the existing natural gas pressure regulating devices need to control the pressure regulating device to regulate the pressure of the natural gas through the action of external force or energy, which is time-consuming and labor-consuming, and when the natural gas pressure is detected to be too large in use, the valve can not be automatically closed to prevent the natural gas from being continuously conveyed, so that the natural gas pressure regulating device is unfavorable for people to use, and therefore, a person skilled in the art provides a natural gas safety protection pressure regulating device to solve the problems in the background art.
Disclosure of Invention
The utility model aims to provide a natural gas safety protection pressure regulating device so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the natural gas safety protection pressure regulating device comprises a valve body, wherein the interior of the valve body is divided into a conveying cavity and a control cavity, an air inlet and an air outlet which are communicated with the conveying cavity are respectively arranged on two sides of the valve body, a leather membrane is arranged in each of the conveying cavity and the control cavity, and a pressure regulating component is arranged in each of the conveying cavity;
the inside of control chamber is equipped with the recovery subassembly, the bottom swing joint of recovery subassembly has the subassembly that cuts off, one side of cutting off the subassembly is equipped with carries out spacing subassembly to it.
Preferably: the pressure regulating subassembly includes first spring, bull stick, valve rod and pin, the bottom surface swing joint of valve body has the bull stick, the one end of bull stick runs through the valve body and extends to the inside welding of carrying the chamber and have first spring, the other end welding of first spring has the valve rod, the involucra swing joint that the one end of valve rod runs through the inside involucra swing joint of carrying the chamber has the shelves pole, the top surface welding of carrying the chamber has the connecting block, one side and the connecting block hinged joint of shelves pole, the other end top surface of shelves pole is located the air inlet and carries the chamber and be linked together.
Preferably: the restoration assembly comprises a second spring, a screw rod and a fixed rod, the top surface of the valve body is connected with the screw rod through threaded rotation, one end of the screw rod penetrates through the valve body to extend to the second spring through the inner welding of the control cavity, the other end of the second spring is welded with the fixed rod, the bottom end of the fixed rod penetrates through a coating welding of the inner part of the control cavity to form a plurality of groups of installation blocks, and a cutting assembly is movably connected between the installation blocks.
Preferably: the utility model discloses a control chamber, including the installation piece, the installation piece is connected with the air inlet, the cutting off assembly includes connecting rod, lifter and movable rod, multiunit swing joint has the connecting rod between the installation piece, the one end that the connecting rod is close to the air inlet articulates and is connected with the lifter, the rectangular channel of intercommunication air inlet has been seted up to the bottom of control chamber, the bottom of lifter extends to the inside of rectangular channel and with rectangular channel sliding connection, the one end that the connecting rod is close to the gas outlet articulates and is connected with the movable rod, the movable channel of intercommunication gas outlet has been seted up to the bottom of control chamber, the bottom of movable rod extends to the inside of movable channel and with movable channel sliding connection, one side that the lifter is close to the air inlet is equipped with spacing subassembly.
Preferably: the limiting assembly comprises a gear, a rack and a limiting block, wherein an installation groove is formed in one side of the lifting rod in the valve body, the gear is connected with the installation groove in a rotating mode, the rack is welded on one side of the lifting rod, which is close to the air inlet, and is connected with the gear in a meshed mode, and the limiting block is welded above the connecting rod in the valve body.
Preferably: the top surface of valve body is equipped with the inside through-hole of intercommunication control chamber.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the natural gas safety protection pressure regulating device, the pressure regulating component is arranged, when the pressure in the conveying cavity changes correspondingly, the opening of the air inlet can be regulated to a certain extent along with the pressure change, so that the pressure conveyed by the natural gas is always in the pressure range required by a user, external force or energy is not required to be used for regulation, time and effort are saved, and the operation is simple and convenient.
2. According to the natural gas safety protection pressure regulating device, the cutting-off assembly is arranged, so that when the pressure in the device exceeds the required pressure range, the natural gas can be stopped from being continuously conveyed in time, potential safety hazards caused by pressure regulation failure are prevented, and the stopping is sensitive.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the overall structure of the present utility model;
FIG. 3 is a side cross-sectional view of the overall structure of the present utility model;
fig. 4 is an enlarged view of a in fig. 3.
In the figure: 1. a valve body; 2. a delivery chamber; 3. a control chamber; 6. a through hole; 10. an air inlet; 11. an air outlet; 12. a coating film; 13. rectangular grooves; 14. a moving groove; 15. a mounting groove; 21. a first spring; 22. a rotating rod; 23. a valve stem; 24. a stop lever; 25. a support block; 31. a second spring; 32. a screw; 33. a fixed rod; 34. a mounting block; 41. a connecting rod; 42. a lifting rod; 43. a moving rod; 51. a gear; 52. a rack; 53. and a limiting block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, in the embodiment of the utility model, a natural gas safety protection pressure regulating device comprises a valve body 1, wherein the inner part of the valve body 1 is provided with a conveying cavity 2 and a control cavity 3, two sides of the valve body 1 are respectively provided with an air inlet 10 and an air outlet 11 which are communicated with the conveying cavity 2 and are used for conveying natural gas, a leather membrane 12 is arranged in each of the conveying cavity 2 and the control cavity 3, a pressure regulating component is arranged in the conveying cavity 2 and comprises a first spring 21, a rotating rod 22, a valve rod 23 and a stop rod 24, the bottom surface of the valve body 1 is movably connected with the rotating rod 22, one end of the rotating rod 22 penetrates through the valve body 1 and extends to the inner part of the conveying cavity 2 and is welded with the first spring 21, the other end of the first spring 21 is welded with the valve rod 23, one end of the valve rod 23 penetrates through the leather membrane 12 in the conveying cavity 2 and is movably connected with the stop rod 24, the top surface of the conveying cavity 2 is welded with a supporting block 25, one side of the stop rod 24 is hinged with the supporting block 25, and the top surface of the other end of the stop rod 24 is positioned at the position where the air inlet 10 is communicated with the conveying cavity 2.
When the natural gas inlet 10 is conveyed into the natural gas safety protection pressure regulating device, the pressure of the natural gas enables the stop lever 24 positioned at the position where the gas inlet 10 is communicated with the conveying cavity 2 to move downwards, then the natural gas enters the pressure regulating device and is conveyed out from the gas outlet 11, the rotating rod 22 can regulate the pressure of the pressure regulating device, and the supporting block 25 is used for supporting and fixing the stop lever 24, so that the stop lever can be reset under the action of no pressure.
The inside of the control cavity 3 is provided with a restoration component, the restoration component comprises a second spring 31, a screw rod 32 and a fixed rod 33, the top surface of the valve body 1 is connected with the screw rod 32 through screw thread rotation, one end of the screw rod 32 penetrates through the valve body 1 to extend into the control cavity 3, the second spring 31 is welded with the other end of the second spring 31, the fixed rod 33 is welded with the bottom end of the fixed rod 33 penetrating through a coating 12 in the control cavity 3, a plurality of groups of installation blocks 34 are welded with a plurality of groups of installation blocks 34, a cutting component is movably connected between the plurality of groups of installation blocks 34 and comprises a connecting rod 41, a lifting rod 42 and a movable rod 43, a rectangular groove 13 communicated with the air inlet 10 is formed in the bottom surface of the control cavity 3, the bottom of lifter 42 extends to the inside of rectangle groove 13 and with rectangle groove 13 sliding connection, the one end that connecting rod 41 is close to gas outlet 11 articulates and is connected with movable rod 43, the movable groove 14 of intercommunication gas outlet 11 has been seted up to the bottom surface of control chamber 3, the bottom of movable rod 43 extends to the inside of movable groove 14 and with movable groove 14 sliding connection, one side that lifter 42 is close to gas inlet 10 is equipped with spacing subassembly, spacing subassembly includes gear 51, rack 52 and stopper 53, mounting groove 15 has been seted up to one side that the inside of valve body 1 is located lifter 42, the inside rotation of mounting groove 15 is connected with rack 52, one side that lifter 42 is close to gas inlet 10 welds rack 52, rack 52 and gear 51 are connected through the meshing, the top welding that the inside of valve body 1 is located connecting rod 41 has stopper 53.
When the pressure in the conveying cavity 2 exceeds a set value, the gas can form thrust to the moving rod 43 through the moving groove 14, so that the moving rod 43 moves upwards, the moving rod 43 moves to drive the lifting rod 42 to move downwards through the connecting rod 41, the lifting rod 42 moves downwards and simultaneously drives the rack 52 to move and rotate on the surface of the gear 51 until the lifting rod 42 plugs the air inlet 10, the cutting effect is achieved, an operator can maintain and check the device, after the checking is finished, the rotating screw rod 32 drives the fixing rod 33 to move, the fixing rod 33 pulls the connecting rod 41 to a balanced state, the moving rod 43 can be reset, and the limiting block 53 is used for limiting the lifting rod 42 to prevent the lifting rod 42 from being separated from the inside of the rectangular groove 13 due to uneven stress.
The top surface of the valve body 1 is provided with a through hole 6 communicated with the inside of the control cavity 3, and the through hole is used for automatically adjusting the pressure in the control cavity 3, so that the pressure in the control cavity 3 is always kept the same as the external pressure.
Working principle: when the natural gas safety protection pressure regulating device is ready to be used, firstly, the air inlet 10 and the air outlet 11 are respectively communicated with a natural gas conveying pipeline through the flange interfaces, so that the natural gas safety protection pressure regulating device is convenient to fix and stable, is not easy to loosen and slip, then, the pressure setting value is regulated and set through the rotating rod 22 in the pressure regulating component, natural gas is introduced, when the pressure in the conveying cavity 2 is reduced, the leather membrane 12 moves downwards, the stop rod 24 is driven to move downwards under the action of the first spring 21 through the valve rod 23, so that the air flow of the air inlet 10 is increased, when the natural gas pressure in the conveying cavity 2 exceeds the set pressure value, the air inlet 10 is blocked through the cutting component, so that an operator can maintain and check the device, the operation is simple, the cutting sensitivity is improved, and the safety of the natural gas safety protection pressure regulating device is improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a natural gas safety protection pressure regulating device, includes valve body (1), its characterized in that:
the inside of the valve body (1) is divided into a conveying cavity (2) and a control cavity (3), two sides of the valve body (1) are respectively provided with an air inlet (10) and an air outlet (11) which are communicated with the conveying cavity (2), a leather membrane (12) is arranged in each of the conveying cavity (2) and the control cavity (3), and a pressure regulating assembly is arranged in each of the conveying cavity (2);
the inside of control chamber (3) is equipped with the subassembly that restores, the bottom swing joint of restoring the subassembly has the subassembly that cuts off, one side that cuts off the subassembly is equipped with carries out spacing subassembly spacing to it.
2. The natural gas safety protection pressure regulating device according to claim 1, wherein: the pressure regulating subassembly includes first spring (21), bull stick (22), valve rod (23) and pin (24), the bottom surface swing joint of valve body (1) has bull stick (22), the one end of bull stick (22) runs through valve body (1) and extends to the inside welding of carrying chamber (2) and have first spring (21), the other end welding of first spring (21) has valve rod (23), the involucra (12) swing joint of the inside of carrying chamber (2) is run through to the one end of valve rod (23) has pin (24), the top surface welding of carrying chamber (2) has supporting shoe (25), one side and supporting shoe (25) of pin (24) are articulated to be connected, the other end top surface of pin (24) is located air inlet (10) and carries chamber (2) and be linked together.
3. The natural gas safety protection pressure regulating device according to claim 1, wherein: the restoration assembly comprises a second spring (31), a screw rod (32) and a fixing rod (33), wherein the screw rod (32) is connected to the top surface of the valve body (1) through threaded rotation, one end of the screw rod (32) penetrates through the valve body (1) and extends to the inside of the control cavity (3) to be welded with the second spring (31), the other end of the second spring (31) is welded with the fixing rod (33), the bottom end of the fixing rod (33) penetrates through a coating film (12) inside the control cavity (3) and is welded with a plurality of groups of installation blocks (34), and a cutting assembly is movably connected between the installation blocks (34).
4. A natural gas safety protection pressure regulating device according to claim 3, wherein: the utility model discloses a cutting assembly, including connecting rod (41), lifter (42) and movable rod (43), multiunit swing joint has connecting rod (41) between installation piece (34), the one end that connecting rod (41) is close to air inlet (10) articulates and is connected with lifter (42), rectangular channel (13) that communicate air inlet (10) have been seted up to the bottom surface of control chamber (3), the bottom of lifter (42) extend to the inside of rectangular channel (13) and with rectangular channel (13) sliding connection, the one end that connecting rod (41) is close to gas outlet (11) articulates and is connected with movable rod (43), movable channel (14) that communicate gas outlet (11) have been seted up to the bottom surface of control chamber (3), the bottom of movable rod (43) extends to the inside of movable channel (14) and with movable channel (14) sliding connection, one side that lifter (42) is close to air inlet (10) is equipped with spacing subassembly.
5. The natural gas safety protection pressure regulating device according to claim 4, wherein: the limiting component comprises a gear (51), a rack (52) and a limiting block (53), wherein the valve body (1) is internally provided with a mounting groove (15) on one side of a lifting rod (42), the gear (51) is rotationally connected to the inside of the mounting groove (15), the rack (52) is welded on one side, close to an air inlet (10), of the lifting rod (42), the rack (52) is connected with the gear (51) through meshing, and the limiting block (53) is welded on the upper side of a connecting rod (41) in the valve body (1).
6. The natural gas safety protection pressure regulating device according to claim 1, wherein: the top surface of the valve body (1) is provided with a through hole (6) communicated with the inside of the control cavity (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322522271.0U CN220727954U (en) | 2023-09-18 | 2023-09-18 | Natural gas safety protection pressure regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322522271.0U CN220727954U (en) | 2023-09-18 | 2023-09-18 | Natural gas safety protection pressure regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220727954U true CN220727954U (en) | 2024-04-05 |
Family
ID=90492275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322522271.0U Active CN220727954U (en) | 2023-09-18 | 2023-09-18 | Natural gas safety protection pressure regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220727954U (en) |
-
2023
- 2023-09-18 CN CN202322522271.0U patent/CN220727954U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |