CN210397787U - Gas is carried and is used preventing leaking valve - Google Patents
Gas is carried and is used preventing leaking valve Download PDFInfo
- Publication number
- CN210397787U CN210397787U CN201921430995.XU CN201921430995U CN210397787U CN 210397787 U CN210397787 U CN 210397787U CN 201921430995 U CN201921430995 U CN 201921430995U CN 210397787 U CN210397787 U CN 210397787U
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- valve
- ball shell
- gas
- valve ball
- bag body
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Abstract
The utility model discloses a gas transportation is with preventing leaking valve, including the valve body, the valve body both sides set up flange, are provided with the inner tube that communicates two flange in the valve body, be provided with the valve ball shell on the valve body, the valve ball shell cuts the inner tube, and the pipe end portion stretches into in the valve ball shell both sides, is provided with the utricule in the valve ball shell, valve ball shell top is provided with the input tube, and the input tube bottom stretches into in the valve ball shell and communicates with the utricule through the hose, the input tube outer end is connected with utricule expansion mechanism, and the utricule expansion shutoff left and right sides inner tube tip seals the valve body; during operation, the valve body is installed on the gas conveying pipeline through two end connecting flanges, wherein the left side is connected with the gas inlet side of the gas conveying pipeline, when the valve needs to be closed, the capsule is controlled by the expansion of the control to plug the end parts of the left inner pipe and the right inner pipe in the valve ball shell, so that the valve body is sealed, and because the expansion of the capsule and the seamless tight extrusion of the end parts of the left inner pipe and the right inner pipe in the valve ball shell improve the closing effect of the valve, the leakage is effectively avoided.
Description
Technical Field
The utility model relates to the technical field of valves, specifically a coal gas is carried with preventing leaking valve.
Background
The coal gas is gas which is prepared by processing coal as a raw material and contains combustible components. According to the processing method, the coal gas property and the application, the method is divided into the following steps: the coal gas obtained by coal gasification is water gas, semi-water gas and air gas (or called producer gas), and the calorific value of the gas is lower, so the gas is also called as low-calorific value gas; the gas obtained by coking in the coal dry distillation method is called coke oven gas and blast furnace gas. It belongs to medium heat value gas and can be used as civil fuel in cities. Carbon monoxide and hydrogen in the coal gas are important chemical raw materials;
the gas is widely applied in production and life, however, the gas has great danger, particularly great leakage danger, serious safety hazard, leakage is easy to occur at the valve position because the valve is inevitably used in the gas conveying process, and the leakage is easy to occur at the traditional mechanical valve because of manufacturing errors or long-time use, so that the inventor synthesizes various factors and creatively provides the leakage-proof valve for gas conveying.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coal gas is carried with preventing leaking valve 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 gas conveying anti-leakage valve comprises a valve body, wherein connecting flanges are arranged on two sides of the valve body, an inner pipe communicated with the two connecting flanges is arranged in the valve body, a valve ball shell is arranged on the valve body and cuts off the inner pipe, the end parts of the inner pipes on the two sides of the valve ball shell extend into the valve ball shell, a bag body is arranged in the valve ball shell, an input pipe is arranged at the top of the valve ball shell, the bottom end of the input pipe extends into the valve ball shell and is communicated with the bag body through a hose, the outer end of the input pipe is connected with a bag body expansion mechanism, and the bag body is expanded to plug the end parts; the top of the valve body is provided with a machine bin corresponding to the outer side of the valve spherical shell, the capsule expansion mechanism is arranged in the machine bin, and an electric controller connected with the capsule expansion mechanism is arranged in the machine bin.
When the valve body is in work, the valve body is arranged on a gas conveying pipeline through connecting flanges at two ends, wherein the left side is connected with the gas inlet side of the gas conveying pipeline;
as a further aspect of the present invention: the bag body is fixed in the middle of the valve ball shell through elastic pull ropes which are arranged in a central symmetry manner;
as a further aspect of the present invention: the capsule body is an ellipsoidal capsule body, and two ends of the capsule body face to the end parts of the inner pipes at two sides; sealing rubber pads are arranged at two ends of the bag body;
as a further aspect of the present invention: the bag body expansion mechanism comprises an air pump, and the air pump is connected with the input pipe through a communicating pipe; the bag body is inflated by the air pump, so that the bag body extrudes the end parts of the left inner pipe and the right inner pipe in the sealing valve spherical shell to close the valve;
as a further aspect of the present invention: the bag body expansion mechanism comprises a liquid pump, and a liquid outlet of the liquid pump is connected with the input pipe through a communicating pipe; the valve body is also provided with a liquid storage tank, a liquid inlet of the liquid pump is communicated with the liquid storage tank through a liquid conveying pipe, and the bag body is subjected to liquid flushing expansion through the liquid pump, so that the bag body extrudes the end parts of the left inner pipe and the right inner pipe in the sealing valve spherical shell to close the valve;
as a further aspect of the present invention: the inner end joints are arranged at the end parts of the inner ends of the two sides in the valve ball shell and are arc-shaped heads, and an air outlet is formed in the middle of each inner end joint.
As a further aspect of the present invention: a gas sensor is arranged on the outer side of the valve body and used for detecting the concentration of leaked gas;
as a further aspect of the present invention: a first pressure sensor is fixedly arranged in the inner tube at the left side of the valve body, and a second pressure sensor is arranged in the bag body; be provided with the mainboard in the automatically controlled ware, be provided with MCU on the mainboard, first pressure sensor and second pressure sensor are connected with MCU respectively, and according to valve body gas inlet side pressure and utricule internal pressure size, judge whether the valve can be shutoff to utricule internal pressure, further improve the security.
Compared with the prior art, the utility model discloses the beneficial effect of following several aspects has:
1. the utility model provides a coal gas is carried with preventing leaking valve, the structure sets up ingenious and arrange rationally, the utility model discloses during operation, the valve body passes through both ends flange and installs on coal gas pipeline, when needing to close the valve, the utricule is controlled two interior pipe ends about in the inflation shutoff valve spherical shell, and then seals the valve body, because the seamless inseparable extrusion of two interior pipe ends about in utricule inflation and the valve spherical shell, improves the valve and closes the effect, influences the leakproofness for traditional mechanical valve for a long time, effectively avoids leaking.
2. The utility model discloses further utilize air pump or liquid pump to expand the utricule, utilize inflatable or liquid filling formula inflation utricule, make its shutoff valve, the shutoff effect is high.
3. As a further aspect of the present invention: a first pressure sensor is fixedly arranged in the inner tube at the left side of the valve body, and a second pressure sensor is arranged in the bag body; according to the pressure of the gas inlet side of the valve body and the pressure in the bag body, whether the pressure in the bag body can block the valve or not is judged, so that the safety is improved, and a gas sensor is arranged on the outer side of the valve body and used for detecting the concentration of leaked gas; further improving the safety.
Drawings
FIG. 1 is a schematic structural diagram of a leak-proof valve for gas transportation;
FIG. 2 is a top view of the valve ball casing in the leakproof valve for gas transportation;
FIG. 3 is a schematic diagram of a further embodiment of a leak prevention valve for gas transportation;
FIG. 4 is a schematic structural view of an inner end fitting in a leak-proof valve for gas transportation;
fig. 5 is a block diagram of a control system of a leak-proof valve for gas transportation.
In the figure: 1. a valve body; 1-1, a first pressure sensor; 2. a connecting flange; 3. an inner tube; 4. a gas sensor; 5. a valve ball housing; 6. a capsule body; 6-1, a second pressure sensor; 7. an elastic pull rope; 8. sealing the rubber gasket; 9. an electric controller; 10. a main board; 11. a machine cabin; 12. an input tube; 13. a communicating pipe; 14. a hose; 15. an air pump; 16. a liquid pump; 17. a transfusion tube; 18. a liquid storage tank; 19. an inner end fitting; 20. an air outlet; 21. and (6) an MCU.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
The first embodiment is as follows: referring to fig. 1-2, the valve comprises a valve body 1, wherein connecting flanges 2 are arranged on two sides of the valve body 1, an inner tube 3 communicated with the two connecting flanges 2 is arranged in the valve body 1, a valve ball shell 5 is arranged on the valve body 1, the valve ball shell 5 cuts off the inner tube 3, the end parts of the inner tubes 3 on two sides of the valve ball shell 5 extend into the valve ball shell 5, a bag body 6 is arranged in the valve ball shell 5, an input tube 12 is arranged at the top of the valve ball shell 5, the bottom end of the input tube 12 extends into the valve ball shell 5 and is communicated with the bag body 6 through a hose 14, the outer end of the input tube 12 is connected with a bag body 6 expansion mechanism, and the bag body; the top of the valve body 1 is provided with a machine cabin 11 corresponding to the outer side of the valve spherical shell 5, the capsule 6 expansion mechanism is arranged in the machine cabin 11, and the machine cabin 11 is internally provided with an electric controller 9 connected with the capsule 6 expansion mechanism.
The capsule body 6 is fixed in the middle of the valve ball shell 5 through elastic pull ropes 7 which are arranged in a central symmetry manner;
the capsule body 6 is an ellipsoidal capsule body 6, and two ends of the capsule body 6 face the end parts of the inner tubes 3 at two sides; sealing rubber pads 8 are arranged at two ends of the bag body 6;
the expansion mechanism of the capsule body 6 comprises an air pump 15, and the air pump 15 is connected with the input pipe 12 through a communicating pipe 13; the air pump 15 is used for inflating the bag body 6, so that the bag body 6 presses and seals the end parts of the left inner tube 3 and the right inner tube 3 in the valve spherical shell 5, and the valve is closed;
a gas sensor 4 is arranged on the outer side of the valve body 1 and used for detecting the concentration of leaked gas;
example two: please refer to fig. 3-4; the expansion mechanism of the capsule 6 comprises a liquid pump 16, and a liquid outlet of the liquid pump 16 is connected with the input pipe 12 through a communicating pipe 13; the valve body 1 is also provided with a liquid storage tank 18, and closed water is stored in the liquid storage tank in the embodiment; a liquid inlet of the liquid pump 16 is communicated with the liquid storage tank 18 through a liquid conveying pipe 17, and the liquid pump 16 is used for filling and expanding the capsule body 6, so that the capsule body 6 extrudes and seals the end parts of the left inner pipe 3 and the right inner pipe 3 in the valve spherical shell 5, and the valve is closed;
the end parts of the inner pipes 3 on two sides in the valve ball shell 5 are provided with inner end joints 19, the inner end joints 19 are arc-shaped heads, and the middle parts of the inner end joints 19 are provided with air outlets 20.
Please refer to fig. 5; in the first and second embodiments, a first pressure sensor 1-1 is fixedly arranged in the inner tube 3 at the left side of the valve body 1, and a second pressure sensor 6-1 is arranged in the bag body 6; a main board 10 is arranged in the electric controller 9, an MCU21 is arranged on the main board 10, and the first pressure sensor 1-1 and the second pressure sensor 6-1 are respectively connected with an MCU 21; according to the side pressure of the air inlet of the valve body and the pressure in the bag body, whether the valve can be plugged by the pressure in the bag body is judged, and the safety is improved.
The utility model discloses a theory of operation is: during operation, valve body 1 is installed on gas transmission pipeline through both ends flange 2, when needing to close the valve, and utricule 6 is controlled in the control expansion shutoff valve spherical shell 5 two inner tubes 3 tip about, and then seals valve body 1, improves the valve and closes the effect, influences the leakproofness for traditional mechanical type valve for a long time, the utility model discloses effectively avoid leaking.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. A gas conveying anti-leakage valve comprises a valve body (1), wherein connecting flanges (2) are arranged on two sides of the valve body (1), and the gas conveying anti-leakage valve is characterized in that inner pipes (3) communicated with the two connecting flanges (2) are arranged in the valve body (1), a valve ball shell (5) is arranged on the valve body (1), the valve ball shell (5) cuts off the inner pipes (3), the end parts of the inner pipes (3) on two sides of the valve ball shell (5) extend into the valve ball shell (5), a bag body (6) is arranged in the valve ball shell (5), an input pipe (12) is arranged at the top of the valve ball shell (5), the bottom end part of the input pipe (12) extends into the valve ball shell (5) and is communicated with the bag body (6) through a hose (14), the outer end of the input pipe (12) is connected with a bag body (6) expansion mechanism, and the bag body (6) expands; the top of the valve body (1) is provided with a machine bin (11) corresponding to the outer side of the valve spherical shell (5), the capsule (6) expansion mechanism is arranged in the machine bin (11), and an electric controller (9) connected with the capsule (6) expansion mechanism is arranged in the machine bin (11).
2. A leak-proof valve for gas transportation according to claim 1, wherein the bag body (6) is fixed in the middle inside the valve ball shell (5) by elastic pull ropes (7) arranged in a central symmetry.
3. A gas delivery leak-proof valve according to claim 2, wherein the bag body (6) is an ellipsoidal bag body (6), and both ends of the bag body (6) face the ends of the inner pipes (3) at both sides; sealing rubber pads (8) are arranged at two ends of the bag body (6).
4. A leakproof valve for gas transmission according to claim 1, wherein the inner ends of the inner tubes (3) on both sides of the valve ball shell (5) are provided with inner end joints (19), the inner end joints (19) are arc-shaped, and the middle parts of the inner end joints (19) are provided with gas outlets (20).
5. A gas conveying leakage-proof valve according to any one of claims 1-4, wherein the expansion mechanism of the capsule (6) comprises an air pump (15) or a liquid pump (16), the air pump (15) is connected with the input pipe (12) through a communicating pipe (13), and the liquid outlet of the liquid pump (16) is connected with the input pipe (12) through the communicating pipe (13); the valve body (1) is also provided with a liquid storage tank (18), and a liquid inlet of the liquid pump (16) is communicated with the liquid storage tank (18) through a liquid conveying pipe (17).
6. A gas conveying leakage-proof valve according to claim 5, characterized in that a gas sensor (4) is arranged outside the valve body (1); a first pressure sensor (1-1) is fixedly arranged in the inner tube (3) at the left side of the valve body (1), and a second pressure sensor (6-1) is arranged in the bag body (6); a main board (10) is arranged in the electric controller (9), an MCU (21) is arranged on the main board (10), and the first pressure sensor (1-1), the second pressure sensor (6-1) and the gas sensor (4) are respectively connected with the MCU (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921430995.XU CN210397787U (en) | 2019-08-30 | 2019-08-30 | Gas is carried and is used preventing leaking valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921430995.XU CN210397787U (en) | 2019-08-30 | 2019-08-30 | Gas is carried and is used preventing leaking valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210397787U true CN210397787U (en) | 2020-04-24 |
Family
ID=70341553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921430995.XU Expired - Fee Related CN210397787U (en) | 2019-08-30 | 2019-08-30 | Gas is carried and is used preventing leaking valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210397787U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370513A (en) * | 2022-02-17 | 2022-04-19 | 刘曼 | Internal expansion sealing valve |
| CN116518313A (en) * | 2023-05-08 | 2023-08-01 | 中煤科工集团沈阳研究院有限公司 | Pipeline gas leakage real-time detection leakage-proof device and use method |
-
2019
- 2019-08-30 CN CN201921430995.XU patent/CN210397787U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370513A (en) * | 2022-02-17 | 2022-04-19 | 刘曼 | Internal expansion sealing valve |
| CN116518313A (en) * | 2023-05-08 | 2023-08-01 | 中煤科工集团沈阳研究院有限公司 | Pipeline gas leakage real-time detection leakage-proof device and use method |
| CN116518313B (en) * | 2023-05-08 | 2024-02-27 | 中煤科工集团沈阳研究院有限公司 | Pipeline gas leakage real-time detection leakage-proof device and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 Termination date: 20210830 |