CN220268466U - Combined natural gas valve - Google Patents
Combined natural gas valve Download PDFInfo
- Publication number
- CN220268466U CN220268466U CN202321786089.XU CN202321786089U CN220268466U CN 220268466 U CN220268466 U CN 220268466U CN 202321786089 U CN202321786089 U CN 202321786089U CN 220268466 U CN220268466 U CN 220268466U
- Authority
- CN
- China
- Prior art keywords
- wall
- natural gas
- sealing
- fixedly connected
- annular
- 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
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 239000003345 natural gas Substances 0.000 title claims abstract description 53
- 238000007789 sealing Methods 0.000 claims abstract description 87
- 238000001125 extrusion Methods 0.000 claims abstract description 22
- 239000004593 Epoxy Substances 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 abstract description 9
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000012634 fragment Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 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
- Lift Valve (AREA)
Abstract
The utility model discloses a combined natural gas valve, which relates to the technical field of natural gas valves and comprises a combined valve body, wherein the upper side of the inner wall of the combined valve body is fixedly connected with a sealing cover through a bolt, the top surface of the sealing cover is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with a threaded rod, the lower end of the threaded rod is rotatably connected with a valve core, the left side and the right side of the bottom surface of the sealing cover are both provided with sliding grooves, the inner wall of the sliding groove is provided with a first sealing device, one side of the inner wall of the valve core is provided with an annular extrusion groove, the inner wall of the annular extrusion groove is provided with a second sealing device, and the second sealing device comprises an annular sealing gasket. The utility model can increase the tightness of the inside of the combined natural gas valve, avoid the condition of gas leakage of the combined natural gas valve after closing, and simultaneously prevent the condition of gas leakage of the combined natural gas valve during natural gas transmission, and avoid potential safety hazards of natural gas leakage.
Description
Technical Field
The utility model relates to the technical field of natural gas valves, in particular to a combined natural gas valve.
Background
The valve is a pipeline accessory for opening and closing a pipeline, controlling flow direction, adjusting and controlling parameters of a conveying medium, and can be divided into a shut-off valve, a check valve, a regulating valve and the like according to functions thereof.
At present, along with the increasing requirements of various fields such as large-scale integrated circuits, petroleum processing, natural gas and the like on gas, the natural gas appears in the field of view, and a natural gas valve is needed in the natural gas transportation process, and is a split-flow converging or flow direction switching device.
Most functions of the traditional combined natural gas valve are single, after the combined natural gas valve is used for a long time, the sealing performance of the inside of the combined natural gas valve can be poor, the inside of the combined natural gas valve cannot be sealed and closed, meanwhile, the sealing performance of the threaded connection sealing part of the combined natural gas valve can be poor, leakage of gas of natural gas can occur, potential safety hazards are caused, and life safety of people is endangered.
Disclosure of Invention
The utility model aims to provide a combined natural gas valve, which solves the problems that most of the traditional combined natural gas valves provided in the background art are single in function, and after long-time use, the sealing performance inside the combined natural gas valve is poor, so that the inside of the combined natural gas valve cannot be sealed and closed, and meanwhile, the sealing performance of a threaded connection sealing part of the combined natural gas valve is poor, so that the gas of natural gas is leaked, potential safety hazards are caused, and life safety of people is threatened.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a combination formula natural gas valve, includes the combination formula valve body, the upside of combination formula valve body inner wall passes through bolt fixedly connected with closing cap, the screw hole has been seted up to the top surface of closing cap, the inner wall threaded connection of screw hole has the threaded rod, the lower extreme rotation of threaded rod is connected with the case, the spout has all been seted up to the left and right sides of closing cap bottom surface, the inner wall of spout is provided with first sealing device, annular extrusion groove has been seted up to one side of case inner wall, the inner wall of annular extrusion groove is provided with second sealing device, second sealing device includes annular sealing pad, annular sealing pad's surface and annular extrusion groove's inner wall sliding connection, annular sealing pad's top surface is provided with a plurality of shell fragments, a plurality of shell fragment's top surface all with annular extrusion groove inner wall's upside fixed connection, limit ring groove inner wall's left and right sides has all been seted up to annular extrusion groove inner wall, two the equal sliding connection of annular limiting groove has annular stopper.
Preferably, the first sealing device comprises a spring, the upside fixed connection of spring upper end and spout inner wall, the lower extreme fixedly connected with shrink pole of spring, the spacing groove has all been seted up to the left and right sides of spout inner wall, two the equal sliding connection of inner wall in spacing groove has the stopper, sealed orifice plate has been cup jointed to the pole wall of threaded rod, the left and right sides of sealed orifice plate top surface respectively with the lower extreme fixed connection of corresponding shrink pole, the bottom surface fixedly connected with sealing layer of sealed orifice plate.
Preferably, the opposite side surfaces of the two annular limiting blocks are fixedly connected with the opposite sides of the annular sealing gasket respectively, and the opposite side surfaces of the two corresponding limiting blocks are fixedly connected with the upper parts of the left side and the right side of the corresponding telescopic rod wall respectively.
Preferably, the upper end of the threaded rod is fixedly connected with a rotating wheel.
Preferably, a sealing ring groove is formed in one side of the inner wall of the combined valve body, and a sealing ring is fixedly connected to the lower side of the inner wall of the sealing ring groove.
Preferably, the surface of the combined valve body is coated with epoxy paint.
Preferably, the left and right sides of the combined valve body are fixedly connected with connecting discs, and connecting holes are formed in one side of each connecting disc.
The utility model has the technical effects and advantages that:
1. through setting up combination formula valve body, closing cap, screw hole, threaded rod, case, annular extrusion groove, annular seal pad, shell fragment, spacing annular, annular stopper, spring, shrink pole, spacing groove, stopper, sealed orifice plate, sealing layer, the utility model can increase the inside leakproofness of combination formula natural gas valve, avoids combination formula natural gas valve to appear the condition of gas leakage after closing, can prevent combination formula natural gas valve itself to appear the condition of gas leakage when transmitting natural gas simultaneously, avoids the natural gas leakage to take place the potential safety hazard.
2. Through setting up annular stopper, annular seal pad, stopper, shrink pole, can the connectivity between the internal part of this device, guarantee the normal use of device, stability when improving the device and using through setting up threaded rod, runner, can make things convenient for operating personnel to rotate the threaded rod, lighten operating personnel's use force, make this device be convenient for operate.
3. Through setting up combination formula valve body, sealing ring groove, sealing washer, can increase the leakproofness between combination formula valve body and the closing cap, avoid appearing the condition of gas leakage, through setting up combination formula valve body, connection pad, connecting hole, can make things convenient for operating personnel to be connected this device and outside natural gas pipeline, make the installation of being convenient for of device, improve this device's installation effectiveness.
Drawings
Fig. 1 is a schematic diagram of the overall front cross-sectional structure of the present utility model.
Fig. 2 is an enlarged schematic view of the portion a in fig. 1 according to the present utility model.
Fig. 3 is an enlarged view of the B part in fig. 1 according to the present utility model.
Fig. 4 is a schematic perspective view of a sealing orifice plate of the present utility model.
In the figure: 1. a combined valve body; 2. a cover; 3. a threaded hole; 4. a threaded rod; 5. a valve core; 6. an annular extrusion groove; 7. an annular gasket; 8. a spring plate; 9. a limit ring groove; 10. an annular limiting block; 11. a spring; 12. a retracting lever; 13. a limit groove; 14. a limiting block; 15. a sealing orifice plate; 16. a sealing layer; 17. a rotating wheel; 18. sealing ring grooves; 19. a seal ring; 20. a connecting disc; 21. a connection hole; 22. and a sliding groove.
Description of the embodiments
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.
The utility model provides a combined natural gas valve as shown in fig. 1-4, which comprises a combined valve body 1, wherein the upper side of the inner wall of the combined valve body 1 is fixedly connected with a sealing cover 2 through bolts, the combined valve body 1 and the sealing cover 2 are made of high-carbon steel, the top surface of the sealing cover 2 is provided with a threaded hole 3, the inner wall of the threaded hole 3 is in threaded connection with a threaded rod 4, the threaded rod 4 is made of forged steel, the lower end of the threaded rod 4 is rotationally connected with a valve core 5, the left side and the right side of the bottom surface of the sealing cover 2 are both provided with sliding grooves 22, the inner wall of the sliding groove 22 is provided with a first sealing device, one side of the inner wall of the valve core 5 is provided with an annular extrusion groove 6, the inner wall of the annular extrusion groove 6 is provided with a second sealing device, the annular sealing gasket 7 is made of rubber, the surface of the annular sealing gasket 7 is in sliding connection with the inner wall of the annular extrusion groove 6, the top surface of the annular sealing gasket 7 is provided with a plurality of elastic pieces 8, the top surface of the elastic pieces 8 are made of stainless steel, the top surfaces of the elastic pieces 8 are all fixedly connected with the upper sides of the inner wall of the annular extrusion groove 6, the left side and the right side of the inner wall of the annular extrusion groove 6 are both provided with sliding grooves 9, the two sides of the inner wall of the annular extrusion groove 9 are both, and the combined natural gas valve is provided with a limiting groove 9, and the combined natural gas leakage is prevented from being combined to be closed, and a natural gas leakage condition is avoided, and the combined with a natural gas leakage condition is simultaneously, and a natural gas leakage safety valve is prevented from being combined and a natural gas leakage sealing situation, and a natural gas leakage situation is combined.
As shown in fig. 1 and 3, the first sealing device comprises a spring 11, the spring 11 is made of carbon spring steel, the upper end of the spring 11 is fixedly connected with the upper side of the inner wall of a chute 22, the lower end of the spring 11 is fixedly connected with a shrinkage rod 12, limit grooves 13 are formed in the left side and the right side of the inner wall of the chute 22, limit blocks 14 are slidably connected to the inner walls of the two limit grooves 13, a sealing orifice plate 15 is sleeved on the rod wall of a threaded rod 4, the left side and the right side of the top surface of the sealing orifice plate 15 are respectively fixedly connected with the lower end of the corresponding shrinkage rod 12, a sealing layer 16 is fixedly connected to the bottom surface of the sealing orifice plate 15, the sealing layer 16 is made of rubber, the situation that air leakage occurs at the sealing position of a threaded connection of a combined natural gas valve can be avoided, the sealing performance of the device is improved, the opposite side surfaces of the two annular limit blocks 10 are respectively fixedly connected with the opposite sides of an annular sealing gasket 7, the opposite side surfaces of the two corresponding limit blocks 14 are respectively fixedly connected with the upper sides of the left side and the right side of the rod wall of the corresponding shrinkage rod 12, the connectivity between internal parts of the device can be guaranteed, the normal use of the device can be guaranteed, the stability of the device can be improved, the upper end of the device is fixedly connected with the threaded rod 17 when the threaded rod is used by an operator can be rotated, the operator can conveniently, and the operator can use the threaded rod can be facilitated, and the device can be rotated by the operator.
As shown in fig. 1 and 3, a sealing ring groove 18 is formed in one side of the inner wall of the combined valve body 1, a sealing ring 19 is fixedly connected to the lower side of the inner wall of the sealing ring groove 18, the sealing ring 19 is made of silica gel, the tightness between the combined valve body 1 and the sealing cover 2 can be improved, the situation of air leakage is avoided, the surface of the combined valve body 1 is coated with epoxy paint, the epoxy paint consists of epoxy resin, extender pigment and curing agent, the corrosion resistance of the combined valve body 1 can be improved, connecting discs 20 are fixedly connected to the left and right sides of the combined valve body 1 through the service life of the combined valve body 1, and connecting holes 21 are formed in one sides of the two connecting discs 20, so that an operator can conveniently connect the device with an external natural gas pipeline, the device is convenient to install, and the installation efficiency of the device is improved.
The working principle of the utility model is as follows: when the device is used, an operator uses bolts to quickly connect the device with a natural gas pipeline through the connecting holes 21 formed in the connecting disc 20, after connection is completed, when the device is closed, the valve core 5 can seal the inner wall of the combined valve body 1, the elastic sheet 8 on the inner wall of the annular extrusion groove 6 on the valve core 5 can push the annular sealing gasket 7 downwards, the limiting ring groove 9 and the annular limiting block 10 limit the moving annular sealing gasket 7, and the downwards moving annular sealing gasket 7 and the inner wall of the combined valve body 1 are extruded to form sealing, so that the condition of air leakage in the closing process of the device is avoided;
when an operator needs to open the device, the operator rotates the rotating wheel 17 anticlockwise, the rotating wheel 17 carries the threaded rod 4 to carry out threaded rotation on the inner wall of the threaded hole 3, so that the threaded rod 4 drives the valve core 5 to move upwards, the valve core 5 releases the sealing on the inner wall of the combined valve body 1, natural gas passes through the device, the top surface of the valve core 5 moving upwards can be contacted with the bottom surface of the sealing layer 16 to squeeze the sealing layer 16, the sealing layer 16 pushes the shrinkage rod 12 to enter the inside of the sliding groove 22 through the sealing orifice 15, the limiting groove 13 and the limiting block 14 limit the shrinkage rod 12, the shrinkage rod 12 moving upwards carries out extrusion stress on the spring 11, and the shrinkage rod 12, the sealing orifice 15 and the sealing layer 16 move downwards under the elasticity of the spring 11, so that the sealing layer 16 and the valve core 5 are mutually extruded, sealing is achieved, gas leakage from the upper part of the combined valve body 1 is avoided, and the combined valve body 1 is formed by combining a plurality of parts.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a combination formula natural gas valve, includes combination formula valve body (1), its characterized in that: the upper side of the inner wall of the combined valve body (1) is fixedly connected with a sealing cover (2) through a bolt, a threaded hole (3) is formed in the top surface of the sealing cover (2), a threaded rod (4) is connected with the inner wall of the threaded hole (3) in a threaded mode, a valve core (5) is connected to the lower end of the threaded rod (4) in a rotating mode, sliding grooves (22) are formed in the left side and the right side of the bottom surface of the sealing cover (2), a first sealing device is arranged on the inner wall of the sliding grooves (22), an annular extrusion groove (6) is formed in one side of the inner wall of the valve core (5), and a second sealing device is arranged on the inner wall of the annular extrusion groove (6);
the second sealing device comprises an annular sealing gasket (7), the surface of the annular sealing gasket (7) is in sliding connection with the inner wall of the annular extrusion groove (6), a plurality of elastic pieces (8) are arranged on the top surface of the annular sealing gasket (7), the top surfaces of the elastic pieces (8) are fixedly connected with the upper sides of the inner wall of the annular extrusion groove (6), limit ring grooves (9) are formed in the left side and the right side of the inner wall of the annular extrusion groove (6), and annular limiting blocks (10) are connected with the inner walls of the two limit ring grooves (9) in a sliding mode.
2. A combination natural gas valve as defined in claim 1, wherein: the first sealing device comprises a spring (11), the upper end of the spring (11) is fixedly connected with the upper side of the inner wall of a sliding groove (22), the lower end of the spring (11) is fixedly connected with a shrinkage rod (12), limiting grooves (13) are formed in the left side and the right side of the inner wall of the sliding groove (22), limiting blocks (14) are slidably connected to the inner walls of the limiting grooves (13), a sealing orifice plate (15) is sleeved on the rod wall of the threaded rod (4), the left side and the right side of the top surface of the sealing orifice plate (15) are fixedly connected with the lower ends of the corresponding shrinkage rods (12) respectively, and sealing layers (16) are fixedly connected to the bottom surface of the sealing orifice plate (15).
3. A combination natural gas valve as defined in claim 2, wherein: opposite side surfaces of the two annular limiting blocks (10) are fixedly connected with opposite sides of the annular sealing gasket (7) respectively, and opposite side surfaces of the two corresponding limiting blocks (14) are fixedly connected with upper parts of left and right sides of the rod wall of the corresponding shrinkage rod (12) respectively.
4. A combination natural gas valve as defined in claim 1, wherein: the upper end of the threaded rod (4) is fixedly connected with a rotating wheel (17).
5. A combination natural gas valve as defined in claim 1, wherein: a sealing ring groove (18) is formed in one side of the inner wall of the combined valve body (1), and a sealing ring (19) is fixedly connected to the lower side of the inner wall of the sealing ring groove (18).
6. A combination natural gas valve as defined in claim 1, wherein: the surface of the combined valve body (1) is coated with epoxy paint.
7. A combination natural gas valve as defined in claim 1, wherein: connecting discs (20) are fixedly connected to the left surface and the right surface of the combined valve body (1), and connecting holes (21) are formed in one surface of each connecting disc (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321786089.XU CN220268466U (en) | 2023-07-10 | 2023-07-10 | Combined natural gas valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321786089.XU CN220268466U (en) | 2023-07-10 | 2023-07-10 | Combined natural gas valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220268466U true CN220268466U (en) | 2023-12-29 |
Family
ID=89305022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321786089.XU Active CN220268466U (en) | 2023-07-10 | 2023-07-10 | Combined natural gas valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220268466U (en) |
-
2023
- 2023-07-10 CN CN202321786089.XU patent/CN220268466U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |