CN115614525A - Valve box for gas - Google Patents
Valve box for gas Download PDFInfo
- Publication number
- CN115614525A CN115614525A CN202211637051.6A CN202211637051A CN115614525A CN 115614525 A CN115614525 A CN 115614525A CN 202211637051 A CN202211637051 A CN 202211637051A CN 115614525 A CN115614525 A CN 115614525A
- Authority
- CN
- China
- Prior art keywords
- valve
- gas
- box
- pipe
- air inlet
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 229910000365 copper sulfate Inorganic materials 0.000 claims abstract description 10
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000005294 ferromagnetic effect Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 49
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract description 5
- 229910000037 hydrogen sulfide Inorganic materials 0.000 abstract description 5
- OMZSGWSJDCOLKM-UHFFFAOYSA-N copper(II) sulfide Chemical compound [S-2].[Cu+2] OMZSGWSJDCOLKM-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002244 precipitate Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 241000530268 Lycaena heteronea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 238000009428 plumbing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000006163 transport media Substances 0.000 description 1
Images
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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/12—Covers for housings
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
-
- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a valve box for gas, which comprises a box body and a box door, wherein a gas valve component is arranged in the box body, the valve box also comprises an air inlet mechanism, an air inlet pipe and a cutting mechanism, the air inlet pipe is sleeved at the outer side of the gas valve component, and an air inlet hole is formed in the surface of the air inlet pipe. According to the device, the gas inlet pipe is sleeved on the gas valve component, the gas inlet mechanism is provided with the telescopic piece and the pipe body component, the pipe body component is composed of the first pipe body and the second pipe body, the telescopic piece can suck gas through the gas inlet pipe through stretching, so that leaked gas can be sucked into the pipe body component, the pipe body component is provided with the detection component, copper sulfate solution is contained in the detection component, and the copper sulfate solution can react with hydrogen sulfide in the gas to generate copper sulfide precipitate.
Description
Technical Field
The invention relates to the technical field of valve auxiliary devices, in particular to a valve box for gas.
Background
Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to its function, can divide into shut-off valve, check valve, governing valve etc. wherein, the valve is when using, mostly need install the valve box and protect it, avoids causing the damage under the unexpected condition.
The gas valve is a safety matching device for gas pipeline engineering. The gas valve is used for cutting off, connecting and regulating gas in a pipeline, and has good control characteristics and closing sealing performance. In order to ensure safety, regular personnel need to perform leakage detection on the gas valve, but the manual detection process is time-consuming and labor-consuming, so that an auxiliary device capable of performing leakage detection on the gas valve is needed.
Disclosure of Invention
The invention aims to: in order to solve the problems, a gas valve box is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a valve box for gas comprises a box body and a box door, wherein a gas valve component is arranged in the box body, and the valve box also comprises an air inlet mechanism, an air inlet pipe and a cutting mechanism, wherein the air inlet pipe is sleeved on the outer side of the gas valve component, and an air inlet hole is formed in the surface of the air inlet pipe; the air inlet mechanism comprises a telescopic piece, a first pipe body, a second pipe body and a detection assembly, wherein a piston is arranged at the telescopic end of the telescopic piece, the piston is positioned in the second pipe body, the first pipe body is communicated with the second pipe body, and a first one-way valve and a second one-way valve are respectively arranged at two ends of the first pipe body; the detection assembly comprises a reaction bottle, the upper side and the lower side of the reaction bottle are respectively provided with an illuminating lamp and a sensor for detecting light change, the reaction bottle is communicated with the first pipe body, and copper sulfate solution is contained in the reaction bottle; the cutting mechanism comprises a valve body assembly and a driving assembly, the valve body assembly comprises a valve shell and a valve plate, and the driving assembly is used for driving the valve plate to rotate; drive assembly includes ring member, electro-magnet, rack and rotation axis, the ring member cover is established in the outside of the flexible end of extensible member, the periphery of ring member is provided with the recess, be provided with the elastic component in the recess, and be provided with the slider on the elastic component, the slider is the ferromagnetic metal material, the bottom of rack is provided with the arch, the cover is equipped with the gear on the rotation axis to the tip of rotation axis is provided with the worm, the outside of valve casing is provided with the worm wheel, and worm wheel and valve plate fixed connection.
Preferably, the air inlet pipe is of a spiral structure, a plurality of connecting sleeves are arranged on the air inlet pipe, an elastic rope is arranged between every two adjacent connecting sleeves, the air inlet pipe is communicated with the second one-way valve, and a plurality of air inlet holes are formed in the air inlet pipe at equal intervals.
Preferably, the first pipe body and the second pipe body are arranged vertically, the telescopic piece and the second pipe body are arranged coaxially, a sliding rail is arranged inside the box body, the rack is connected with the sliding rail in a sliding mode and is arranged coaxially with the telescopic piece, the electromagnet is arranged above the rack, and the electromagnet is arranged along the length direction of the rack.
Preferably, the inside of box is provided with solenoid valve and gas holder, the box is provided with the first fender that encloses with the opening part inboard that the chamber door corresponds, one side that the chamber door is close to the box is provided with utricule and second and encloses the fender, solenoid valve all communicates with first check valve, gas holder and utricule, be provided with the pressure relief valve on the utricule.
Preferably, the first enclosure and the second enclosure are both square frame-shaped structures, and the bag body is of an annular structure and is located on the outer side of the second enclosure.
Preferably, the surface of box is provided with the pilot lamp, extensible member, electro-magnet, solenoid valve, sensor and pilot lamp all with PLC controller electric connection.
Preferably, two ends of the elastic element are respectively and fixedly connected with the annular element and the sliding block, and the sliding block is in sliding connection with the groove.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. this application is through setting up mechanism and the intake pipe of admitting air in the box, the intake pipe cover is on gas valve subassembly, mechanism of admitting air has set up extensible member and body subassembly, the body subassembly comprises first body and second body, the extensible member is through flexible, can breathe in through the intake pipe, the event can be with in the gas suction body subassembly of leaking, the last determine module that has set up of body subassembly, copper sulfate solution has been held in the determine module, copper sulfate solution can react with the hydrogen sulfide in the gas, generate the copper sulfide and deposit, consequently, this device can realize the detection to leaking the gas, compare with the mode of artifical detection, this device can continuously detect, can play the effect of quick warning after taking place to leak.
2. This application is through setting up drive assembly, and drive assembly has set up gear, rack, rotation axis, worm wheel and worm, and the rack is along with the driving piece removes, and it is rotatory to drive the gear, and it is rotatory to further drive the rotation axis, drives the worm wheel through the worm and rotates, and then drives the valve plate and rotate, and after detecting that the gas is revealed, the valve plate can be closed, makes gas system cut, reduces the leakage quantity of gas.
Drawings
FIG. 1 is a schematic diagram illustrating an overall structure of a valve box provided according to an embodiment of the invention;
FIG. 2 is a schematic diagram illustrating an internal structure of a valve box provided according to an embodiment of the invention;
FIG. 3 illustrates a schematic structural diagram of an air intake mechanism and a drive assembly provided in accordance with an embodiment of the present invention;
FIG. 4 illustrates a schematic diagram of an intake manifold structure provided in accordance with an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of a ring provided according to an embodiment of the invention;
fig. 6 shows a schematic view of the internal structure of the valve housing provided according to an embodiment of the present invention.
Illustration of the drawings:
1. a box body; 2. a box door; 3. a gas valve assembly; 4. a PLC controller; 5. a telescoping member; 6. a first pipe body; 7. a second tube body; 8. a piston; 9. a first one-way valve; 10. a second one-way valve; 11. an annular member; 12. a groove; 13. an elastic member; 14. a slider; 15. an electromagnet; 16. a rack; 17. a protrusion; 18. a rotating shaft; 19. a gear; 20. a valve housing; 21. a valve plate; 22. a worm gear; 23. a worm; 24. an air inlet pipe; 25. an air inlet; 26. connecting sleeves; 27. an elastic cord; 28. an electromagnetic valve; 29. a gas storage tank; 30. a capsule body; 31. a reaction bottle; 32. an illuminating lamp; 33. a sensor; 34. a first enclosure; 35. a second enclosure; 36. and an indicator light.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
a valve box for gas comprises a box body 1 and a box door 2, wherein a gas valve component 3 is arranged in the box body 1, the valve box also comprises an air inlet mechanism, an air inlet pipe 24 and a cutting mechanism, the air inlet pipe 24 is sleeved on the outer side of the gas valve component 3, and an air inlet hole 25 is formed in the surface of the air inlet pipe 24;
the air inlet mechanism comprises an extensible member 5, a first pipe body 6, a second pipe body 7 and a detection assembly, a piston 8 is arranged at the extensible end of the extensible member 5, the piston 8 is positioned inside the second pipe body 7, the first pipe body 6 is communicated with the second pipe body 7, and a first one-way valve 9 and a second one-way valve 10 are respectively arranged at two ends of the first pipe body 6; the air inlet mechanism can suck air, so that the detection assembly can detect whether the air contains fuel gas.
The detection assembly comprises a reaction bottle 31, the upper side and the lower side of the reaction bottle 31 are respectively provided with an illuminating lamp 32 and a sensor 33 for detecting light change, the reaction bottle 31 is communicated with the first pipe body 6, and copper sulfate solution is contained in the reaction bottle 31; the fuel gas contains hydrogen sulfide, the hydrogen sulfide can react with the copper sulfate solution to generate copper sulfide precipitate, and meanwhile, the blue copper sulfate solution is changed into colorless, so that the direct observation is convenient.
The cutting mechanism comprises a valve body assembly and a driving assembly, the valve body assembly comprises a valve shell 20 and a valve plate 21, and the driving assembly is used for driving the valve plate 21 to rotate;
drive assembly includes annular member 11, electro-magnet 15, rack 16 and rotation axis 18, annular member 11 cover is established in the outside of the flexible end of extensible member 5, the periphery of annular member 11 is provided with recess 12, be provided with elastic component 13 in the recess 12, and be provided with slider 14 on the elastic component 13, slider 14 is the ferromagnetic metal material, the bottom of rack 16 is provided with protruding 17, the cover is equipped with gear 19 on the rotation axis 18, and the tip of rotation axis 18 is provided with worm 23, the outside of valve casing 20 is provided with worm wheel 22, and worm wheel 22 and valve plate 21 fixed connection. Two ends of the elastic piece 13 are respectively fixedly connected with the annular piece 11 and the sliding block 14, and the sliding block 14 is connected with the groove 12 in a sliding manner. The driving assembly can control the valve plate 21 of the cutting mechanism to rotate, so that a gas channel is cut off, and safety is improved when gas leaks.
Specifically, as shown in fig. 1 and 4, the air inlet pipe 24 is of a spiral structure, the air inlet pipe 24 is provided with a plurality of connecting sleeves 26, an elastic rope 27 is arranged between every two adjacent connecting sleeves 26, the air inlet pipe 24 is communicated with the second one-way valve 10, a plurality of air inlet holes 25 are arranged, and the plurality of air inlet holes 25 are arranged at equal intervals along the air inlet pipe 24. The intake pipe 24 encircles on gas valve component 3, and a plurality of inlet ports 25 encircle gas valve component 3 equally, and a plurality of inlet ports 25 make the air admission even, when taking place the gas leakage, can shorten check-out time, improve the sensitivity that detects.
Specifically, as shown in fig. 2 and 3, the first tube 6 and the second tube 7 are vertically arranged, the telescopic member 5 and the second tube 7 are coaxially arranged, a slide rail is arranged inside the box body 1, the rack 16 is slidably connected with the slide rail, the rack 16 and the telescopic member 5 are coaxially arranged, the electromagnet 15 is arranged above the rack 16, and the electromagnet 15 is arranged along the length direction of the rack 16. The first tube 6 and the second tube 7 can store air, and the air flow is pushed by the expansion of the expansion piece 5. When the electromagnet 15 is energized, it attracts the slider 14 close, and the slider 14 abuts against the projection 17, so that the rack 16 moves synchronously with the extension of the telescopic member 5.
Specifically, as shown in fig. 1, fig. 2, fig. 3, fig. 5 and fig. 6, an electromagnetic valve 28 and an air storage tank 29 are arranged inside the box body 1, a first enclosure 34 is arranged inside an opening of the box body 1 corresponding to the box door 2, a bag body 30 and a second enclosure 35 are arranged on one side of the box door 2 close to the box body 1, the electromagnetic valve 28 is communicated with the first one-way valve 9, the air storage tank 29 and the bag body 30, and a pressure relief valve is arranged on the bag body 30. The first and second barriers 34 and 35 are both square frame-shaped structures, and the capsule 30 is a ring-shaped structure and is located outside the second barrier 35. The expansion piece 5 is started and then is in telescopic reciprocating motion, when the expansion piece contracts, air enters the pipe body, and when the expansion piece stretches, the space inside the first pipe body 6 and the second pipe body 7 is compressed when the piston 8 moves, so that the air is extruded out of the second one-way valve 10. The surface of box 1 is provided with pilot lamp 36, and extensible member 5, electro-magnet 15, solenoid valve 28, sensor 33 and pilot lamp 36 all are connected with PLC controller 4 electrical property. Solenoid valve 28 passes through PLC controller 4 control, when not detecting the gas leakage, the air of extruding can get into utricule 30, makes utricule 30 inflation, and utricule 30 is located first to enclose to keep off 34 and second and encloses between the fender 35, and utricule 30 can support two and enclose the fender to make difficult production gap before box 1 and the chamber door 2, make the difficult leakage of gas expose box 1, detecting the gas and revealing the back, the air of extruding gets into gas holder 29 from solenoid valve 28 and collects.
In summary, in the valve box for gas use provided in this embodiment, the telescopic member 5 is controlled by the PLC controller 4 to perform telescopic reciprocating motion, when the telescopic member 5 contracts, the piston 8 is driven to move, so that the internal space of the first tube 6 and the second tube 7 is increased, under the action of negative pressure, air enters the air inlet pipe 24 from the air inlet hole 25, passes through the first one-way valve 9 along the air inlet pipe 24, enters the tube, when gas is contained in the air, the gas enters the reaction bottle 31, hydrogen sulfide in the gas reacts with a copper sulfate solution to generate a copper sulfide precipitate, after the precipitate is generated, illumination received by the sensor 33 is reduced, then the PLC controller 4 energizes the electromagnet 15 and the indicator lamp 36, and draws the slider 14 to approach under the action of a magnetic field, so that the slider 14 moves upward, and along with the movement of the telescopic member 5, the slider 14 abuts against the protrusion 17, the rack 16 is driven to move along the slide rail, further the rack 16 is driven to rotate, so that the worm 23 rotates, the worm wheel 22 and the valve plate 21 are driven to rotate, and the valve body assembly is closed.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A valve box for gas comprises a box body (1) and a box door (2), wherein a gas valve component (3) is arranged inside the box body (1), and the valve box is characterized by further comprising an air inlet mechanism, an air inlet pipe (24) and a cutting mechanism, wherein the air inlet pipe (24) is sleeved outside the gas valve component (3), and an air inlet hole (25) is formed in the surface of the air inlet pipe (24);
the air inlet mechanism comprises a telescopic piece (5), a first pipe body (6), a second pipe body (7) and a detection assembly, a piston (8) is arranged at the telescopic end of the telescopic piece (5), the piston (8) is positioned inside the second pipe body (7), the first pipe body (6) is communicated with the second pipe body (7), and a first one-way valve (9) and a second one-way valve (10) are respectively arranged at two ends of the first pipe body (6);
the detection assembly comprises a reaction bottle (31), wherein the upper side and the lower side of the reaction bottle (31) are respectively provided with an illuminating lamp (32) and a sensor (33) for detecting light ray change, the reaction bottle (31) is communicated with the first tube body (6), and a copper sulfate solution is contained in the reaction bottle (31);
the cutting mechanism comprises a valve body assembly and a driving assembly, the valve body assembly comprises a valve shell (20) and a valve plate (21), and the driving assembly is used for driving the valve plate (21) to rotate;
drive assembly includes loop forming element (11), electro-magnet (15), rack (16) and rotation axis (18), loop forming element (11) cover is established in the outside of the flexible end of extensible member (5), the periphery of loop forming element (11) is provided with recess (12), be provided with elastic component (13) in recess (12), and be provided with slider (14) on elastic component (13), slider (14) are the ferromagnetic metal material, the bottom of rack (16) is provided with arch (17), the cover is equipped with gear (19) on rotation axis (18) to the tip of rotation axis (18) is provided with worm (23), the outside of valve casing (20) is provided with worm wheel (22), and worm wheel (22) and valve plate (21) fixed connection.
2. The gas valve box according to claim 1, wherein the gas inlet pipe (24) is of a spiral structure, a plurality of connecting sleeves (26) are arranged on the gas inlet pipe (24), an elastic rope (27) is arranged between every two adjacent connecting sleeves (26), the gas inlet pipe (24) is communicated with the second one-way valve (10), a plurality of gas inlet holes (25) are arranged, and the plurality of gas inlet holes (25) are arranged at equal intervals along the gas inlet pipe (24).
3. The gas valve box according to claim 1, wherein the first pipe (6) and the second pipe (7) are vertically arranged, the telescopic member (5) and the second pipe (7) are coaxially arranged, a sliding rail is arranged inside the box body (1), the rack (16) is slidably connected with the sliding rail, the rack (16) and the telescopic member (5) are coaxially arranged, the electromagnet (15) is arranged above the rack (16), and the electromagnet (15) is arranged along the length direction of the rack (16).
4. The gas valve box according to claim 1, wherein an electromagnetic valve (28) and a gas storage tank (29) are arranged inside the box body (1), a first enclosure (34) is arranged on the inner side of an opening of the box body (1) corresponding to the box door (2), a bag body (30) and a second enclosure (35) are arranged on one side of the box door (2) close to the box body (1), the electromagnetic valve (28) is communicated with the first one-way valve (9), the gas storage tank (29) and the bag body (30), and a pressure relief valve is arranged on the bag body (30).
5. The gas valve box according to claim 4, characterized in that said first (34) and second (35) barriers are each a box-shaped structure, and said bladder (30) is an annular structure and is located outside said second barrier (35).
6. The gas valve box according to claim 4, wherein an indicator light (36) is arranged on the surface of the box body (1), and the telescopic member (5), the electromagnet (15), the electromagnetic valve (28), the sensor (33) and the indicator light (36) are electrically connected with the PLC (4).
7. The gas valve box as claimed in claim 1, wherein the two ends of the elastic member (13) are fixedly connected with the ring member (11) and the sliding block (14), respectively, and the sliding block (14) is slidably connected with the groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211637051.6A CN115614525A (en) | 2022-12-20 | 2022-12-20 | Valve box for gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211637051.6A CN115614525A (en) | 2022-12-20 | 2022-12-20 | Valve box for gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115614525A true CN115614525A (en) | 2023-01-17 |
Family
ID=84880274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211637051.6A Pending CN115614525A (en) | 2022-12-20 | 2022-12-20 | Valve box for gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115614525A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206419531U (en) * | 2017-01-13 | 2017-08-18 | 广州市庆高机电设备有限公司 | A kind of quick action emergency valve with multiple closing mouths |
| CN108006255A (en) * | 2017-12-04 | 2018-05-08 | 佛山市川东磁电股份有限公司 | A kind of cylinder formula gas valve cutter |
| CN211976080U (en) * | 2019-12-30 | 2020-11-20 | 固安县朔程燃气有限公司 | Gas valve leakage detection device |
| CN215489139U (en) * | 2021-05-17 | 2022-01-11 | 杭州云璟智能科技有限公司 | Pipeline gas detection protection device |
| CN215722606U (en) * | 2021-08-19 | 2022-02-01 | 南京久润安全科技有限公司 | Safety valve linkage equipment for building gas leakage alarm |
| CN216519916U (en) * | 2021-04-15 | 2022-05-13 | 浙江搏正铜业有限公司 | Leakage-proof electromagnetic gas cut-off valve |
| CN216643206U (en) * | 2021-11-24 | 2022-05-31 | 苏州市燃气设备阀门制造有限公司 | Automatic closing gas valve for gas leakage |
-
2022
- 2022-12-20 CN CN202211637051.6A patent/CN115614525A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206419531U (en) * | 2017-01-13 | 2017-08-18 | 广州市庆高机电设备有限公司 | A kind of quick action emergency valve with multiple closing mouths |
| CN108006255A (en) * | 2017-12-04 | 2018-05-08 | 佛山市川东磁电股份有限公司 | A kind of cylinder formula gas valve cutter |
| CN211976080U (en) * | 2019-12-30 | 2020-11-20 | 固安县朔程燃气有限公司 | Gas valve leakage detection device |
| CN216519916U (en) * | 2021-04-15 | 2022-05-13 | 浙江搏正铜业有限公司 | Leakage-proof electromagnetic gas cut-off valve |
| CN215489139U (en) * | 2021-05-17 | 2022-01-11 | 杭州云璟智能科技有限公司 | Pipeline gas detection protection device |
| CN215722606U (en) * | 2021-08-19 | 2022-02-01 | 南京久润安全科技有限公司 | Safety valve linkage equipment for building gas leakage alarm |
| CN216643206U (en) * | 2021-11-24 | 2022-05-31 | 苏州市燃气设备阀门制造有限公司 | Automatic closing gas valve for gas leakage |
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