CN210165199U - Natural gas valve with gas leakage protection - Google Patents
Natural gas valve with gas leakage protection Download PDFInfo
- Publication number
- CN210165199U CN210165199U CN201921139153.9U CN201921139153U CN210165199U CN 210165199 U CN210165199 U CN 210165199U CN 201921139153 U CN201921139153 U CN 201921139153U CN 210165199 U CN210165199 U CN 210165199U
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- Prior art keywords
- valve
- gas
- valve body
- connecting rod
- natural gas
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000007789 gas Substances 0.000 title claims abstract description 65
- 239000003345 natural gas Substances 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 12
- 230000008054 signal transmission Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model discloses a natural gas valve with gas leakage protection, including valve body and stop device, the both ends of valve body all are equipped with the flange, and the inside of valve body is equipped with spherical fixed chamber, spherical fixed intracavity is equipped with the case, and is equipped with the bar through-hole on the case, the upper end of valve body is equipped with the fixing base, fixing base and valve body integrated into one piece, and the inside connecting rod that is equipped with of fixing base, the one end and the case joint of connecting rod, and the other end of connecting rod pass the fixing base and with the handle fixed connection in the fixing base outside, stop device includes body and shell, the body passes through screw and valve body fixed connection, the shell is rectangular shape. Compare with traditional natural gas valve, the utility model discloses a set up a stop device at the valve front end, when taking place natural gas and leaking, stop device work and seal the gas pipeline, the effectual safety of having guaranteed the user.
Description
Technical Field
The utility model relates to a natural gas valve technical field specifically is a natural gas valve with gas leakage protection.
Background
The natural gas valve is easy to leak after being used for a long time, and once the natural gas leaks, the consequences are very serious. Reference 1 (CN 207999518U) discloses a natural gas valve with gas leakage automatic protection, including the valve body, spherical installation cavity has been seted up in the valve body, install the case in the spherical installation cavity, seted up the bar through-hole on the case, fixedly connected with annular baffle on the inner wall of bar through-hole, fixedly connected with third sealing washer on annular baffle's the right side wall, the backup pad passes through the second connecting rod and drives circular baffle and tightly support with the third sealing washer.
The contrast file is through adding the valve body, the sleeve, structures such as hand wheel and valve rod, when the second sealing washer takes place to leak, the natural gas can get into in the sleeve through the gap between valve body and the case, the natural gas can't leak to the air under the effect of first sealing washer, the leakage of natural gas has been prevented, the natural gas can only get into the piston cylinder from the gas pocket, the atmospheric pressure that is located the piston cylinder of piston below this moment increases, make the piston rebound, the piston drives the head rod rebound, head rod and circular baffle separation this moment, the second spring promotes the backup pad and moves left, the backup pad drives circular baffle and third sealing washer through the second connecting rod and supports tightly, make the natural gas not leak and just block natural gas transportation in the air yet, stop the use of this natural gas valve to the rear.
However, in the actual use process, it can be found that the object to which the comparison file is applied is too single, and only when the second sealing ring leaks, the whole protection device can be triggered, but the natural gas valve has various leakage reasons, the leakage part is not fixed, and except the abrasion of the sealing gasket, the weak part of the valve body is easy to leak.
To this end, we have proposed a natural gas valve with gas leakage protection to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a natural gas valve with gas leakage protection to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a natural gas valve with gas leakage protection comprises a valve body and a stopping device, wherein flanges are arranged at two ends of the valve body, a spherical fixing cavity is arranged inside the valve body, a valve core is arranged in the spherical fixing cavity, a strip-shaped through hole is formed in the valve core, a fixing seat is arranged at the upper end of the valve body, the fixing seat and the valve body are integrally formed, a connecting rod is arranged inside the fixing seat, one end of the connecting rod is clamped with the valve core, the other end of the connecting rod penetrates through the fixing seat and is fixedly connected with a handle outside the fixing seat, the stopping device comprises a pipe body and a shell, the pipe body is fixedly connected with the valve body through screws, the shell is rectangular, the shell and the pipe body are of an integral structure, a limiting groove is arranged inside the shell, a flashboard is arranged at the upper end of the limiting groove, a piston is arranged at the upper, and the high-pressure gas cylinder passes through connecting pipe and spacing groove intercommunication, be equipped with the solenoid valve on the connecting pipe, shell one side is equipped with gas leakage alarm and PLC controller, the signal sending terminal of gas leakage alarm and the signal receiving terminal electric connection of PLC controller, the control output end of PLC controller and the automatically controlled end electric connection of solenoid valve.
The setting is through setting up a stop device at the valve body front end, stop device mainly comprises shell, gas cylinder, bach-a type solenoid valve, CA-217A-B type gas leakage alarm and PLC controller, be equipped with the flashboard in the shell, the shell passes through connecting pipe and gas cylinder intercommunication, the solenoid valve on the connecting pipe is in the off-state at ordinary times, when gas leakage alarm detected there is the natural gas leakage, send the signal to the PLC controller, the power of PLC controller switch-on solenoid valve, the solenoid valve is opened, the high-pressure gas flow in the gas cylinder is spacing groove and is promoted the flashboard, can seal the gas pipeline through the flashboard, thereby prevent that the gas from leaking.
Preferably, the front end and the rear end of the valve core are respectively provided with a first rubber sealing gasket.
Preferably, the lower end of the fixing seat is provided with a limiting bulge, the upper side and the lower side of the limiting bulge are both provided with rubber sealing rings, and the rubber sealing rings are sleeved on the connecting rod.
Preferably, the connecting rod is cylindrical, and a rectangular clamping block is arranged at one end, close to the valve core, of the connecting rod.
Preferably, the upper end of the valve core is provided with a rectangular slot for fixing the connecting rod.
Preferably, the high-pressure gas cylinder is in threaded connection with the connecting pipe through threads, and a gas pressure meter is arranged on the high-pressure gas cylinder.
The user can judge whether the gas leaks or not by observing the gas pressure meter.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up a stop device at valve body front end, stop device is mainly by the shell, gas cylinder, bach-a type solenoid valve, CA-217A-B type gas leakage alarm and PLC controller constitute, be equipped with the flashboard in the shell, the shell passes through connecting pipe and gas cylinder intercommunication, solenoid valve on the connecting pipe is in the off-state at ordinary times, when gas leakage alarm detected there is the natural gas to leak, send signal to the PLC controller, the power of PLC controller switch-on solenoid valve, the solenoid valve is opened, high-pressure gas among the gas cylinder flows to the spacing groove and promotes the flashboard, can seal the gas pipeline through the flashboard, thereby prevent that the gas from leaking. Compare with traditional natural gas valve, the utility model discloses a set up a stop device at the valve front end, when taking place natural gas and leaking, stop device work and seal the gas pipeline, the effectual safety of having guaranteed the user.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the internal structure of the valve body of the present invention;
fig. 3 is a schematic view of the internal structure of the housing of the present invention.
In the figure: 1. a valve body; 2. a cut-off device; 3. a spherical fixed cavity; 4. a valve core; 5. a fixed seat; 6. a connecting rod; 7. a handle; 8. a pipe body; 9. a housing; 10. a limiting groove; 11. a shutter plate; 12. a piston; 13. a high pressure gas cylinder; 14. a connecting pipe; 15. an electromagnetic valve; 16. a gas leakage alarm; 17. a PLC controller; 18. a barometer; 19. a first rubber seal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a natural gas valve with gas leakage protection, which comprises a valve body 1 and a stop device 2, wherein both ends of the valve body 1 are provided with flanges, a spherical fixing cavity 3 is arranged inside the valve body 1, a valve core 4 is arranged in the spherical fixing cavity 3, a strip-shaped through hole is arranged on the valve core 4, a fixing seat 5 is arranged at the upper end of the valve body 1, the fixing seat 5 is integrally formed with the valve body 1, a connecting rod 6 is arranged inside the fixing seat 5, one end of the connecting rod 6 is connected with the valve core 4 in a clamping manner, the other end of the connecting rod 6 passes through the fixing seat 5 and is fixedly connected with a handle 7 outside the fixing seat 5, the stop device 2 comprises a tube body 8 and a shell 9, the tube body 8 is fixedly connected with the valve body 1 through screws, the shell 9 is rectangular, and the shell 9 and the tube body 8 are of, the inside spacing groove 10 that is equipped with of shell 9, and the spacing groove 10 upper end is equipped with flashboard 11, the upper end of flashboard 11 is equipped with piston 12, the top of shell 9 is equipped with high-pressure gas cylinder 13, and high-pressure gas cylinder 13 passes through connecting pipe 14 and spacing groove 10 intercommunication, be equipped with solenoid valve 15 on the connecting pipe 14, shell 9 one side is equipped with gas leakage alarm 16 and PLC controller 17, the signal sending part of gas leakage alarm 16 and PLC controller 17's signal reception end electric connection, PLC controller 17's control output end and solenoid valve 15's automatically controlled end electric connection.
Specifically, the front end and the rear end of the valve core 4 are respectively provided with a first rubber sealing gasket 19.
Specifically, the lower extreme of fixing base 5 is equipped with spacing arch, and both sides all are equipped with rubber seal on the upper and lower both sides of spacing arch, rubber seal cup joints on connecting rod 6.
Specifically, the connecting rod 6 is cylindrical, and a rectangular clamping block is arranged at one end, close to the valve core 4, of the connecting rod 6.
Specifically, the upper end of the valve core 4 is provided with a rectangular slot for fixing the connecting rod 6.
Specifically, the high-pressure gas cylinder 13 is screwed with the connecting pipe 14 through threads, and a gas pressure gauge 18 is arranged on the high-pressure gas cylinder 13.
During the use, just can drive connecting rod 6 and rotate through twisting handle 7, the angle of the bar through-hole on the case 4 can be adjusted through connecting rod 6, thereby reach the purpose of headstock valve body 1, shell 9 passes through connecting pipe 14 and high-pressure gas cylinder 13 intercommunication, solenoid valve 15 on the connecting pipe 14 is in the closed condition at ordinary times, when gas leakage alarm 16 detected there is the natural gas to leak, send signal to PLC controller 17, PLC controller 17 switch-on solenoid valve 15's power, solenoid valve 15 opens, high-pressure gas in the high-pressure gas cylinder 13 flows to spacing groove 10 and promotes flashboard 11, can seal the gas pipeline through flashboard 11, thereby prevent that the gas from leaking.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a natural gas valve with gas leakage protection, includes valve body (1) and closing means (2), its characterized in that: the stop device comprises a valve body (1), wherein flanges are arranged at two ends of the valve body (1), a spherical fixing cavity (3) is arranged inside the valve body (1), a valve core (4) is arranged in the spherical fixing cavity (3), a strip-shaped through hole is formed in the valve core (4), a fixing seat (5) is arranged at the upper end of the valve body (1), the fixing seat (5) and the valve body (1) are integrally formed, a connecting rod (6) is arranged inside the fixing seat (5), one end of the connecting rod (6) is clamped with the valve core (4), the other end of the connecting rod (6) penetrates through the fixing seat (5) and is fixedly connected with a handle (7) on the outer side of the fixing seat (5), the stop device (2) comprises a pipe body (8) and a shell (9), the pipe body (8) is fixedly connected with the valve body (1) through a screw, the shell (9) is rectangular, and the shell (9) and the pipe, the utility model discloses a gas leakage alarm, including shell (9), spacing groove (10), and spacing groove (10) upper end are equipped with flashboard (11), the upper end of flashboard (11) is equipped with piston (12), the top of shell (9) is equipped with high-pressure gas cylinder (13), and high-pressure gas cylinder (13) communicate through connecting pipe (14) and spacing groove (10), be equipped with solenoid valve (15) on connecting pipe (14), shell (9) one side is equipped with gas leakage alarm (16) and PLC controller (17), the signal transmission part of gas leakage alarm (16) and the signal reception end electric connection of PLC controller (17), the control output of PLC controller (17) and the automatically controlled end electric connection of solenoid valve (15).
2. A natural gas valve with gas leak protection as claimed in claim 1, wherein: and the front end and the rear end of the valve core (4) are respectively provided with a first rubber sealing gasket (19).
3. A natural gas valve with gas leak protection as claimed in claim 1, wherein: the lower extreme of fixing base (5) is equipped with spacing arch, and spacing bellied upper and lower both sides all are equipped with rubber seal, rubber seal cup joints on connecting rod (6).
4. A natural gas valve with gas leak protection as claimed in claim 1, wherein: the connecting rod (6) is cylindrical, and a rectangular clamping block is arranged at one end, close to the valve core (4), of the connecting rod (6).
5. A natural gas valve with gas leak protection as claimed in claim 1, wherein: the upper end of the valve core (4) is provided with a rectangular slot for fixing the connecting rod (6).
6. A natural gas valve with gas leak protection as claimed in claim 1, wherein: the high-pressure gas cylinder (13) is in threaded connection with the connecting pipe (14) through threads, and a gas pressure gauge (18) is arranged on the high-pressure gas cylinder (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921139153.9U CN210165199U (en) | 2019-07-19 | 2019-07-19 | Natural gas valve with gas leakage protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921139153.9U CN210165199U (en) | 2019-07-19 | 2019-07-19 | Natural gas valve with gas leakage protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210165199U true CN210165199U (en) | 2020-03-20 |
Family
ID=69795440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921139153.9U Expired - Fee Related CN210165199U (en) | 2019-07-19 | 2019-07-19 | Natural gas valve with gas leakage protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210165199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520544A (en) * | 2020-05-18 | 2020-08-11 | 浙江亚德复合材料有限公司 | Intelligent composite pipeline with built-in liquid leakage film sensor and manufacturing process thereof |
| CN111779989A (en) * | 2020-05-29 | 2020-10-16 | 安徽汇新信息科技有限公司 | Computer network safety information reporting system |
-
2019
- 2019-07-19 CN CN201921139153.9U patent/CN210165199U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520544A (en) * | 2020-05-18 | 2020-08-11 | 浙江亚德复合材料有限公司 | Intelligent composite pipeline with built-in liquid leakage film sensor and manufacturing process thereof |
| CN111779989A (en) * | 2020-05-29 | 2020-10-16 | 安徽汇新信息科技有限公司 | Computer network safety information reporting system |
| CN111779989B (en) * | 2020-05-29 | 2022-03-01 | 安徽汇新信息科技有限公司 | Computer network safety information reporting system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |