CN113188049A - Gas control device - Google Patents
Gas control device Download PDFInfo
- Publication number
- CN113188049A CN113188049A CN202110534604.4A CN202110534604A CN113188049A CN 113188049 A CN113188049 A CN 113188049A CN 202110534604 A CN202110534604 A CN 202110534604A CN 113188049 A CN113188049 A CN 113188049A
- Authority
- CN
- China
- Prior art keywords
- branch pipe
- connector
- recess
- control device
- gas
- 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.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/027—Throttle passages
- F16L55/02709—Throttle passages in the form of perforated plates
- F16L55/02727—Throttle passages in the form of perforated plates placed parallel to the axis of the pipe
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/0336—Noise absorbers by means of sound-absorbing materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a gas control device, which comprises a main body, a first branch pipe and a second branch pipe, wherein the main body is provided with a connecting disc, the connecting disc is provided with an air inlet pipe, the bottom of the main body is provided with a base, the main body is provided with an insertion pipe, the insertion pipe is provided with the branch pipe, a ring plate, a circular plate and a telescopic spring are arranged in the branch pipe, one end of the branch pipe is assembled on a machine body, the machine body is provided with a regulating button, a regulating screen is arranged on the machine body, and an air outlet pipe is arranged on the machine body. The invention is suitable for gas equipment, is used for shunting, peak-shaving and pressure-stabilizing, and realizes the control of gas.
Description
Technical Field
The invention belongs to gas equipment, relates to gas control, and particularly relates to a gas control device.
Background
The gas can be natural gas, artificial gas, liquefied petroleum gas, marsh gas, coal gas, etc. The gas wide application is in the middle of the life, but, current gas equipment when adjusting through peak regulation voltage regulator equipment, voltage regulator equipment carries out accuse pressure to high pressure gas easily and forms the low pressure, but equipment can't step up two relative low pressure branch pipe gas.
Disclosure of Invention
The invention aims to provide a gas control device, which improves the gas pressure by installing a pressurizing device in a branch pipe, and achieves the purpose of pressure equalization among the branch pipes by reducing the pressure of the branch pipe so as to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a gas control device comprises a main body, a first branch pipe and a second branch pipe; the main part top be equipped with the connection pad, and be equipped with the bolt on the connection pad, the connection pad pass through bolt movable mounting at the main part top, connection pad fixed surface be equipped with the intake pipe, main part bottom pass through bolt and base fixed assembly, the inside inlet port that is provided with of intake pipe, and communicate with the inner chamber of main part, the inner chamber below of main part be provided with the recess, and the recess inner wall is provided with 2 spinal branch pipe holes.
Preferably, the tube holes are fixedly provided with the insertion tubes, the surface of one side of each insertion tube is provided with threads, the threads are movably provided with the screwing caps, the insertion tubes are movably provided with the first branch tubes and the second branch tubes, and the threads on one side of the insertion tubes are rotated by the screwing caps, so that the first branch tubes and the second branch tubes are arranged on the insertion tubes of the 2 tube holes.
Preferably, first branch pipe and second branch pipe inside be provided with the recess, and be equipped with the crown plate in the recess, the crown plate is cavity heart board, the recess inner wall of outside laminating, crown plate one side be equipped with the plectane, and the plectane is on the recess, plectane one side be equipped with expanding spring, and expanding spring installs on the recess, the outer loop is laminated with the recess inner wall.
Preferably, first branch pipe and second branch pipe one end assemble respectively on first connector and second connector, first connector and second connector respectively through bolt movable assembly on the organism, first connector and second connector between be equipped with the regulation and control button, and regulation and control button movable assembly is in a organism side, second connector top fixed assembly have the regulation and control screen, and regulation and control screen fixed assembly is in a organism side, first connector and second connector below be provided with the louvre, and the louvre is located an organism side.
Preferably, another side of organism be provided with the louvre, and louvre one side is equipped with the third connector through the bolt activity, and the third connector assembly is on the organism, the third connector on be equipped with the outlet duct.
Preferably, the surface of the main body is fixedly provided with a noise reduction device.
Preferably, the upper surface of the noise reduction device is provided with a sound absorption hole, an annular groove capable of containing water is formed in the noise reduction device, and the sound absorption hole in the upper surface of the noise reduction device is communicated with the inner annular groove.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. when the invention is used, gas enters from the gas inlet pipe, passes through the inner cavity of the main body, comes out from 2 branch pipe holes on the groove at the bottom of the inner cavity, and is respectively transmitted into the first branch pipe and the second branch pipe, the gas in the first branch pipe and the second branch pipe is transmitted into the peak-regulating and pressure-stabilizing equipment, the gas pressure value is controlled and pressed through the regulating button and the regulating screen, when the gas pressure value entering the first branch pipe and the second branch pipe is too low, the peak-regulating and pressure-stabilizing equipment can not be used for controlling and pressing, the gas in the inner grooves of the first branch pipe and the second branch pipe passes through the hollow circular center hole of the annular plate, at the moment, the annular plate enables the inner space of the first branch pipe and the second branch pipe to be reduced, the gas is stressed from the circular center hole of the hollow center hole, the flow rate is increased, the pressure value is enhanced, so that the expansion spring is contracted, the pressure values of the first branch pipe and the second branch pipe are increased, and then the peak-regulating and pressure-stabilizing equipment is used for controlling and pressing the increased pressure of the first branch pipe and the second branch pipe, make the device convenient operation more, simultaneously, the gas after the accuse is pressed passes through the outlet duct and discharges, has avoided the limitation that the device accuse pressed, improves the practicality of device.
2. When the gas noise reduction device is used, when gas passes through the inner cavity of the main body, sharp noise is generated, the noise enters the inner annular groove from the sound absorption hole in the upper surface of the noise reduction device, and water in the inner annular groove absorbs the noise of the gas, so that the propagation speed of the noise is reduced, and the outward noise propagation when the gas flows from the pipeline is reduced.
3. When the invention is used, the noise is treated by physics, so that the resource is effectively saved, and the protection of the surrounding environment is realized.
The invention is suitable for gas equipment, is used for shunting, peak-shaving and pressure-stabilizing, and realizes the control of gas.
Drawings
FIG. 1 is a schematic view of an assembly structure of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of the embodiment shown in FIG. 1;
FIG. 3 is a longitudinal sectional view of FIG. 2;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 5 is a schematic diagram of the internal structure of the first branch pipe 23 and the second branch pipe 30 in FIG. 4;
FIG. 6 is an enlarged view of the structure at B in FIG. 5;
FIG. 7 is a schematic view of an assembly structure of the circular plate 43 and the circular plate 50 in FIG. 6;
FIG. 8 is a schematic view of an assembled structure of a noise reducer 52 according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of the noise reducer 52 of FIG. 8;
fig. 10 is a schematic cross-sectional view of the noise reducer 52 shown in fig. 8.
In the figure:
10. a body; 11. a first connector; 12. a second connector; 13. a third connector;
20. a control button; 21. a regulation screen; 22. an air outlet pipe; 23. a first branch pipe;
30. a second branch pipe; 31. a connecting disc; 32. an air inlet pipe; 33. a main body;
40. a base; 41. inserting a tube; 42. screwing the cap; 43. a ring plate;
50. a circular plate; 51. a tension spring; 52. a noise reduction device; 53. and (4) bolts.
Detailed Description
The invention is further described below in connection with specific embodiments of the invention.
Embodiment 1A gas control device
As shown in fig. 2, the present embodiment includes a main body 33, a first branch pipe 23 and a second branch pipe 30, a connection disc 31 is assembled on the top of the main body 33, a bolt 53 is assembled on the connection disc 31, the connection disc 31 is movably installed on the top of the main body 33 through the bolt 53, an air inlet pipe 32 is fixedly assembled on the surface of the connection disc 31, the bottom of the main body 33 is fixedly assembled with a base 40 through the bolt 53, as shown in fig. 3, an air inlet hole is arranged inside the air inlet pipe 32 and is communicated with the inner cavity of the main body 33, a groove is arranged below the inner cavity of the main body 33, and 2 branch pipe holes are arranged on the inner wall of the groove, as shown in fig. 4, an insertion pipe 41 is fixedly assembled on the branch pipe hole, a thread is arranged on one side surface of the insertion pipe 41, a screw cap 42 is movably installed on the thread, the insertion pipe 41 is movably assembled with the first branch pipe 23 and the second branch pipe 30, and is rotated by the screw thread on one side of the insertion pipe 41 by the screw cap 42, so that the first branch pipe 23 and the second branch pipe 30 are installed on the insertion pipe 41 of the 2 branch pipe holes, as shown in fig. 5 to 7, the first branch pipe 23 and the second branch pipe 30 are provided with a groove therein, and the groove is provided with a ring plate 43, the ring plate 43 is a hollow circular plate, the outer side of the ring plate is attached to the inner wall of the groove, one side of the ring plate 43 is provided with a circular plate 50, the circular plate 50 is arranged on the groove, one side of the circular plate 50 is provided with a telescopic spring 51, the telescopic spring 51 is arranged on the groove, and the outer ring is attached to the inner wall of the groove.
As shown in fig. 1, one end of the first branch pipe 23 and one end of the second branch pipe 30 are respectively assembled on the first connector 11 and the second connector 12, the first connector 11 and the second connector 12 are respectively assembled on the machine body 10 through the bolt 53, the adjusting button 20 is assembled between the first connector 11 and the second connector 12, the adjusting button 20 is movably assembled on one side of the machine body 10, the adjusting screen 21 is fixedly assembled above the second connector 12, the adjusting screen 21 is fixedly assembled on one side of the machine body 10, heat dissipation holes are formed in the lower portions of the first connector 11 and the second connector 12 and are located on one side of the machine body 10, heat dissipation holes are formed in the other side of the machine body 10, the third connector 13 is assembled on one side of the heat dissipation holes through the bolt 53, the third connector 13 is assembled on the machine body 10, and the air outlet pipe 22 is assembled on the third connector 13.
In this embodiment, the gas enters from the gas inlet pipe 32, passes through the inner cavity of the main body 33, comes out from 2 pipe holes on the groove at the bottom of the inner cavity, and is respectively transmitted to the first branch pipe 23 and the second branch pipe 30, the gas in the first branch pipe 23 and the second branch pipe 30 is transmitted to the peak-regulating and pressure-stabilizing device, the gas pressure value is controlled and pressed through the control button 20 and the control screen 21, when the gas pressure value entering the first branch pipe 23 and the second branch pipe 30 is too low, high pressure control cannot be performed, the gas in the inner grooves of the first branch pipe 23 and the second branch pipe 30 passes through the hollow center hole of the annular plate 43, at this time, the annular plate 43 makes the inner space of the first branch pipe 23 and the second branch pipe 30 smaller, the gas is forced to the circular plate 50 from the hollow center hole, the flow rate becomes faster, the pressure value becomes stronger, so that the expansion spring 51 contracts, the pressure values of the first branch pipe 23 and the second branch pipe 30 are increased, the pressure value of the first branch pipe 23 and the second branch pipe 30 after the improvement is controlled and pressed through the embodiment, so that the device is more convenient to operate, meanwhile, gas after pressure control is discharged through the outlet pipe 22, the limitation of pressure control of the device is avoided, and the practicability of the device is improved.
The peak regulation and pressure stabilization can be carried out by using the cooperation of double air sources, and the regulation is carried out on the components and the pressure flow, so that the operating pressure of the medium-pressure A-level pipeline is not higher than 0.4mpa, and the pressure at the tail end is not lower than 0.1 mpa.
The gas easily produces sharp-pointed sound when flowing from the pipeline, influences the life, brings the vexation for the staff simultaneously in carrying out peak regulation steady voltage process. Referring to fig. 8 and 9, a noise reducer 52 is fixedly assembled on the surface of the body 33, sound absorption holes are formed in the upper surface of the noise reducer 52, an annular groove is formed inside the noise reducer 52, the sound absorption holes in the upper surface of the noise reducer 52 are communicated with the internal annular groove, and water is provided in the internal annular groove inside the noise reducer 52.
In this embodiment, when the gas passes through the inner cavity of the main body 33, a sharp noise is generated, the noise enters the internal annular groove from the sound absorption hole on the upper surface of the noise reduction device 52, and the water in the internal annular groove absorbs the noise of the gas, so that the propagation speed of the noise becomes slow, and the propagation of the external noise when the gas flows from the pipeline is reduced.
The present invention is described in further detail with reference to the embodiments, and the description is not limited to the embodiments, but equivalent substitutions of features or simple combinations of features may be made by those skilled in the art without departing from the technical spirit of the present invention described in the claims.
Claims (7)
1. A gas control device includes a main body (33), a first branch pipe (23), and a second branch pipe (30); the method is characterized in that:
main part (33) top be equipped with connection pad (31), and be equipped with bolt (53) on connection pad (31), connection pad (31) pass through bolt (53) movable mounting at main part (33) top, connection pad (31) fixed surface be equipped with intake pipe (32), main part (33) bottom pass through bolt (53) and base (40) fixed mounting, intake pipe (32) inside be provided with the inlet port, and communicate with the inner chamber of main part (33), the inner chamber below of main part (33) be provided with the recess, and the recess inner wall is provided with 2 spinal branchs pipe holes.
2. A gas control device according to claim 1, characterized in that: the branch pipe hole on fixed be equipped with intubate (41), and intubate (41) one side surface is provided with the screw thread, movable mounting has on the screw thread to twist cap (42), intubate (41) on movable mounting have first branch pipe (23) and second branch pipe (30) to rotate at the screw thread of intubate (41) one side with twisting cap (42), make first branch pipe (23) and second branch pipe (30) install on intubate (41) of 2 branch pipe holes.
3. A gas control device according to claim 2, characterized in that: first branch pipe (23) and second branch pipe (30) inside be provided with the recess, and be equipped with crown plate (43) in the recess, crown plate (43) are cavity heart plate, the recess inner wall of laminating in the outside, crown plate (43) one side be equipped with plectane (50), and plectane (50) on the recess, plectane (50) one side be equipped with expanding spring (51), and expanding spring (51) install on the recess, the laminating of outer loop and recess inner wall.
4. A gas control device according to claim 3, characterized in that: first branch pipe (23) and second branch pipe (30) one end assemble respectively on first connector (11) and second connector (12), first connector (11) and second connector (12) respectively through bolt (53) activity assembly on organism (10), first connector (11) and second connector (12) between be equipped with control button (20), and control button (20) activity assembly is in organism (10) a side, second connector (12) top fixed be equipped with control screen (21), and control screen (21) fixed assembly is in organism (10) a side, first connector (11) and second connector (12) below be provided with the louvre, and be located organism (10) a side.
5. A gas control device according to claim 4, characterized in that: organism (10) another side be provided with the louvre, and louvre one side is equipped with third connector (13) through bolt (53) activity, and third connector (13) assembly is on organism (10), third connector (13) on be equipped with outlet duct (22).
6. A gas control device according to claim 5, characterized in that: the surface of the main body (33) is fixedly provided with a noise reduction device (52).
7. A gas control device according to claim 6, characterized in that: the upper surface of the noise reduction device (52) is provided with a sound absorption hole, an annular groove capable of containing water is formed in the noise reduction device (52), and the sound absorption hole in the upper surface of the noise reduction device (52) is communicated with the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110534604.4A CN113188049B (en) | 2021-05-17 | 2021-05-17 | Gas control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110534604.4A CN113188049B (en) | 2021-05-17 | 2021-05-17 | Gas control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113188049A true CN113188049A (en) | 2021-07-30 |
| CN113188049B CN113188049B (en) | 2022-05-10 |
Family
ID=76982011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110534604.4A Active CN113188049B (en) | 2021-05-17 | 2021-05-17 | Gas control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113188049B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK0826307T3 (en) * | 1989-06-27 | 2002-02-18 | Commw Scient Ind Res Org | Gassing of multiple grain storage containers |
| CN206397714U (en) * | 2016-12-21 | 2017-08-11 | 安徽国华新材料有限公司 | A kind of water column declines air pressure stable-pressure device |
| CN208687218U (en) * | 2018-09-11 | 2019-04-02 | 四川博能燃气股份有限公司 | A kind of fuel gas transmission denoising device |
| CN209278852U (en) * | 2018-11-27 | 2019-08-20 | 广州燃气集团有限公司 | Voltage adjusting device and noise reduction components |
| CN209558432U (en) * | 2019-02-25 | 2019-10-29 | 中山市龙奥金属制品有限公司 | A kind of household gas range air inlet tube assembly |
| CN210345019U (en) * | 2019-04-24 | 2020-04-17 | 张征 | Automatic gas pressure regulating device |
| CN212960924U (en) * | 2020-08-21 | 2021-04-13 | 天津市荣欣阀门制造有限公司 | Gas valve with pressure regulating function |
-
2021
- 2021-05-17 CN CN202110534604.4A patent/CN113188049B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK0826307T3 (en) * | 1989-06-27 | 2002-02-18 | Commw Scient Ind Res Org | Gassing of multiple grain storage containers |
| CN206397714U (en) * | 2016-12-21 | 2017-08-11 | 安徽国华新材料有限公司 | A kind of water column declines air pressure stable-pressure device |
| CN208687218U (en) * | 2018-09-11 | 2019-04-02 | 四川博能燃气股份有限公司 | A kind of fuel gas transmission denoising device |
| CN209278852U (en) * | 2018-11-27 | 2019-08-20 | 广州燃气集团有限公司 | Voltage adjusting device and noise reduction components |
| CN209558432U (en) * | 2019-02-25 | 2019-10-29 | 中山市龙奥金属制品有限公司 | A kind of household gas range air inlet tube assembly |
| CN210345019U (en) * | 2019-04-24 | 2020-04-17 | 张征 | Automatic gas pressure regulating device |
| CN212960924U (en) * | 2020-08-21 | 2021-04-13 | 天津市荣欣阀门制造有限公司 | Gas valve with pressure regulating function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113188049B (en) | 2022-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113188049B (en) | Gas control device | |
| CN205298643U (en) | Pressure reducing valve | |
| CN206145206U (en) | Shock -proof type natural gas pressure reducer | |
| CN211116146U (en) | Valve regulating mechanism of steam turbine | |
| CN102853155B (en) | Adjustable pressure reducing valve with high pressure reducing ratio | |
| CN107803981A (en) | A kind of rod member set sebific duct method and rod member set rubber tube system | |
| CN109424332B (en) | Natural gas well constant pressure throttling arrangement | |
| CN201810840U (en) | Low-pressure regulating valve of small flow gas | |
| CN201152658Y (en) | Pore phase-modulating apparatus for pulse-tube refrigerator | |
| CN208793733U (en) | A kind of two stage pressure reducing valves based on air bottle for life saving | |
| CN216008636U (en) | Valve for precision forming high-power engine | |
| CN217381723U (en) | Small flow regulating valve for respirator | |
| CN208900788U (en) | A kind of Novel shield pump exhaust valve | |
| CN208861660U (en) | A kind of multitone electrically controlled air horn | |
| CN216382033U (en) | High leakproofness cylinder governing valve | |
| CN108518525A (en) | A kind of heat dissipation type pressure reducing valve | |
| CN219282113U (en) | High-pressure-resistant diaphragm type energy accumulator | |
| CN218011955U (en) | Energy-saving pressure swing adsorption carbon molecular sieve nitrogen making machine | |
| CN116748089B (en) | Automatic pressure stabilizing valve for photovoltaic frame gluing | |
| CN218626419U (en) | Acetylene pressure stabilizing mechanism and acetylene gas supply device | |
| CN220540880U (en) | Pressure reducing valve for steel cylinder | |
| CN220204779U (en) | Exhaust device | |
| CN220416268U (en) | Low-temperature butterfly valve convenient to seal and adjust | |
| CN2530672Y (en) | Pressure-reducing and pressure-regulating indoor hydrant | |
| CN2400660Y (en) | Tyre safety valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220421 Address after: 350000 room 503, floor 5, vitality building, No. 3, Goldman Sachs Road, Science Park, Cangshan District, Fuzhou City, Fujian Province Applicant after: Fuzhou Zhongji Energy Co.,Ltd. Address before: 050000 No. 371, Lianmeng Road, Xinhua District, Shijiazhuang City, Hebei Province Applicant before: Bai Zixian |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |