CN220039739U - Gas valve sealing performance testing device - Google Patents
Gas valve sealing performance testing device Download PDFInfo
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- CN220039739U CN220039739U CN202321429886.2U CN202321429886U CN220039739U CN 220039739 U CN220039739 U CN 220039739U CN 202321429886 U CN202321429886 U CN 202321429886U CN 220039739 U CN220039739 U CN 220039739U
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- Prior art keywords
- pipe
- fixedly connected
- valve
- gas valve
- gas
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000007789 gas Substances 0.000 description 51
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003034 coal gas Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a gas valve sealing performance testing device, which comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a supporting groove, and a gas valve body is arranged at the top of the supporting groove; simultaneously, a pressure sensor, a flow sensor and an air bag are designed to be matched, when the air tightness of the valve is tested and closed, the air bag is connected to a second through pipe through a second valve connecting piece, the air bag is inflated into a first through pipe through an inflator, if the air bag bulges, the valve leaks air, when the air tightness of the valve is tested and opened, the air bag is detached, the inflator is used for inflating the air bag into the first through pipe, the change of the values of the pressure sensor and the flow sensor is observed, and if the fluctuation exceeds a preset range, the valve leaks air.
Description
Technical Field
The utility model relates to the technical field of valve detection, in particular to a gas valve sealing performance testing device.
Background
Along with the improvement of the living standard of people, the serious conventional energy sources such as coal, firewood and the like are gradually replaced by natural gas and coal gas, and the gas valve is also called a gas safety protection device, is a novel safety matching device for gas pipeline engineering, is used for cutting off, connecting and adjusting gas in pipelines, is suitable for various gas medium pipelines such as urban coal gas, liquefied petroleum gas, natural gas, oxygen and the like, is an instrument capable of controlling the on-off of the gas by statistics, has an irreplaceable function in the use process of the gas, and needs to test the gas tightness before the gas valve leaves a factory in order to ensure the quality of the gas valve.
When the gas tightness of the gas valve is detected in the prior art, the gas valve is closed, one end of the gas valve is ventilated, whether the gas escapes from the other end of the gas valve is observed, and the method only can detect whether the gas leakage exists when the valve is closed and can not detect whether the gas leakage exists when the valve is opened for use; the current gas tightness detection device is when detecting the valve, can not carry out stable location to the valve, and the valve can produce when ventilating in to the valve and rock, can lead to the testing result inaccurate because of rocking.
Therefore, it is desirable to provide a gas valve sealing performance testing device to solve the above problems.
Disclosure of Invention
The technical problem to be solved by the utility model is that when the gas tightness of the gas valve is detected in the prior art, the gas valve is closed, one end of the gas valve is ventilated, whether the gas escapes from the other end of the gas valve is observed, and the method can only detect whether the gas leaks when the valve is closed and can not detect whether the gas leaks when the valve is opened for use; the current gas tightness detection device is when detecting the valve, can not carry out stable location to the valve, and the valve can produce when ventilating in to the valve and rock, can lead to the testing result inaccurate because of rocking.
In order to solve the technical problems, the utility model adopts a technical scheme that: the gas valve sealing performance testing device comprises a bottom plate, wherein a supporting groove is fixedly connected to the top of the bottom plate, a gas valve body is arranged at the top of the supporting groove, a first through pipe is fixedly connected to one side of the gas valve body, and a second through pipe is fixedly connected to the other side of the gas valve body;
positioning mechanisms corresponding to the first through pipe and the second through pipe are arranged on two sides of the bottom plate, a first valve connecting piece is rotationally connected to one side of the first through pipe, a connecting pipe is fixedly connected to one side of the first valve connecting piece, an inflator is fixedly connected to one side of the connecting pipe, and a pressure sensor and a flow sensor are fixedly connected to the top of the connecting pipe;
the other side of the second through pipe is rotationally connected with a second valve connecting piece, and the other side of the second valve connecting piece is fixedly connected with an inflatable bag.
The utility model is further provided with: and the top of the supporting groove is fixedly connected with an anti-slip strip.
Through above-mentioned technical scheme, increase the frictional force between supporting groove and the gas valve body, guarantee that the gas valve body can remain stable when the test.
The utility model is further provided with: the outer walls of the first through pipe and the second through pipe are fixedly connected with threaded grooves.
Through above-mentioned technical scheme, corresponding with first valve connecting piece and second valve connecting piece, the convenience is installed and is dismantled it when the test, promotes efficiency of software testing.
The utility model is further provided with: the positioning mechanism comprises a concave bracket fixedly connected to one side of the bottom plate, the front end and the rear end of the concave bracket are fixedly connected with cylinders, and the output ends of the two cylinders are fixedly connected with arc clamping plates.
Through above-mentioned technical scheme, open two cylinders, the cylinder output drives two arc splint and fixes first siphunculus and second siphunculus to carry out stable location with the valve, make the valve remain stable throughout when the test, improve the precision of test.
The utility model is further provided with: the two cylinders are symmetrically designed at the front end and the rear end of the concave bracket.
Through above-mentioned technical scheme, guarantee that the cylinder drives two arc splint and carries out firm location to first siphunculus and second siphunculus.
The utility model is further provided with: the inner ends of the two arc-shaped clamping plates are fixedly connected with soft protection pads.
Through above-mentioned technical scheme, play guard action to first siphunculus and second siphunculus, arc splint dynamics is too big when preventing to fix a position leads to first siphunculus and second siphunculus impaired.
The utility model is further provided with: and the inner walls of the first valve connecting piece and the second valve connecting piece are fixedly connected with sealing gaskets.
Through the technical scheme, the sealing gasket ensures the tightness of the connection part of the first valve connecting piece and the second valve connecting piece during testing, and the testing cannot be influenced.
The beneficial effects of the utility model are as follows:
1. according to the utility model, the positioning mechanism is designed to open the two cylinders, and the output end of the cylinder drives the two arc clamping plates to fix the first through pipe and the second through pipe, so that the valve is stably positioned, the valve is always stable during testing, and the testing accuracy is improved;
2. according to the utility model, the pressure sensor, the flow sensor and the air bag are matched, when the air tightness of the valve is tested and closed, the air bag is connected to the second through pipe through the second valve connecting piece, the air bag is inflated into the first through pipe by the inflator, if the air bag bulges, the valve leaks air, when the air tightness of the valve is tested and opened, the air bag is detached, the air bag is inflated into the first through pipe by the inflator, the numerical changes of the pressure sensor and the flow sensor are observed, and if the fluctuation exceeds a preset range, the valve leaks air.
Drawings
FIG. 1 is a first view angle block diagram of the present utility model;
FIG. 2 is a second view angle block diagram of the present utility model;
FIG. 3 is a third view angle block diagram of the present utility model;
fig. 4 is a schematic structural view of the positioning mechanism of the present utility model.
In the figure: 1. a bottom plate; 2. a support groove; 3. a gas valve body; 4. a first through pipe; 5. a second through pipe; 6. a positioning mechanism; 601. a concave bracket; 602. a cylinder; 603. an arc clamping plate; 7. a first valve connector; 8. a connecting pipe; 9. an inflator; 10. a pressure sensor; 11. a flow sensor; 12. a second valve connector; 13. and (5) an inflatable bag.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1-3, a gas valve sealing performance testing device comprises a bottom plate 1, wherein a supporting groove 2 is fixedly connected to the top of the bottom plate 1, a gas valve body 3 is arranged at the top of the supporting groove 2, a non-slip bar is fixedly connected to the top of the supporting groove 2, friction force between the supporting groove 2 and the gas valve body 3 is increased, the gas valve body 3 can be kept stable during testing, a first through pipe 4 is fixedly connected to one side of the gas valve body 3, and a second through pipe 5 is fixedly connected to the other side of the gas valve body 3; positioning mechanisms 6 corresponding to the first through pipe 4 and the second through pipe 5 are arranged on two sides of the bottom plate 1, one side of the first through pipe 4 is rotatably connected with a first valve connecting piece 7, one side of the first valve connecting piece 7 is fixedly connected with a connecting pipe 8, one side of the connecting pipe 8 is fixedly connected with an inflator 9, and the top of the connecting pipe 8 is fixedly connected with a pressure sensor 10 and a flow sensor 11; the other side of the second through pipe 5 is rotationally connected with a second valve connecting piece 12, the outer walls of the first through pipe 4 and the second through pipe 5 are fixedly connected with thread grooves, the thread grooves correspond to the first valve connecting piece 7 and the second valve connecting piece 12, the installation and the disassembly of the thread grooves are convenient during testing, the testing efficiency is improved, the inner walls of the first valve connecting piece 7 and the second valve connecting piece 12 are fixedly connected with sealing gaskets, the sealing gaskets ensure the tightness of the joint of the first valve connecting piece 7 and the second valve connecting piece 12 during testing, the testing cannot be influenced, and the other side of the second valve connecting piece 12 is fixedly connected with an inflatable bag 13;
as shown in fig. 4, the positioning mechanism 6 includes a concave support 601 fixedly connected to one side of the bottom plate 1, the front end and the rear end of the concave support 601 are fixedly connected with an air cylinder 602, the output ends of the two air cylinders 602 are fixedly connected with arc clamping plates 603, the front end and the rear end of the concave support 601 are symmetrically designed, the air cylinder 602 is guaranteed to drive the two arc clamping plates 603 to stably position the first through pipe 4 and the second through pipe 5, soft protection pads are fixedly connected to the inner ends of the two arc clamping plates 603, the first through pipe 4 and the second through pipe 5 are protected, the first through pipe 4 and the second through pipe 5 are prevented from being damaged due to overlarge force of the arc clamping plates 603 during positioning, the two air cylinders 602 are opened, the output ends of the air cylinders 602 drive the two arc clamping plates 603 to fix the first through pipe 4 and the second through pipe 5, and the valve are stably positioned, and the valve is always stable during testing, and the accuracy of testing is improved.
When the gas valve is used, the gas valve body 3 to be detected is placed at the top of the supporting groove 2, then the two cylinders 602 are opened, the output ends of the cylinders 602 drive the two arc clamping plates 603 to fix the first through pipe 4 and the second through pipe 5, so that the valve is stably positioned all the time during testing, the testing precision is improved, when the air tightness of the valve is tested to be closed, the gas bag 13 is connected to the second through pipe 5 through the second valve connecting piece 12, the gas bag 9 is inflated into the first through pipe 4, if the gas bag 13 bulges, the valve leaks, when the air tightness of the valve is tested to be opened, the gas bag 13 is detached, the gas bag 9 is inflated into the first through pipe 4, the numerical value changes of the pressure sensor 10 and the flow sensor 11 are observed, and if the fluctuation exceeds a preset range, the valve leaks.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The utility model provides a gas valve sealing performance testing arrangement, includes bottom plate (1), its characterized in that: the gas valve comprises a bottom plate (1), a supporting groove (2) is fixedly connected to the top of the bottom plate (1), a gas valve body (3) is arranged at the top of the supporting groove (2), a first through pipe (4) is fixedly connected to one side of the gas valve body (3), and a second through pipe (5) is fixedly connected to the other side of the gas valve body (3);
positioning mechanisms (6) corresponding to the first through pipe (4) and the second through pipe (5) are arranged on two sides of the bottom plate (1), a first valve connecting piece (7) is rotationally connected to one side of the first through pipe (4), a connecting pipe (8) is fixedly connected to one side of the first valve connecting piece (7), an inflator (9) is fixedly connected to one side of the connecting pipe (8), and a pressure sensor (10) and a flow sensor (11) are fixedly connected to the top of the connecting pipe (8);
the other side of the second through pipe (5) is rotationally connected with a second valve connecting piece (12), and the other side of the second valve connecting piece (12) is fixedly connected with an inflatable bag (13).
2. The gas valve sealing performance testing device according to claim 1, wherein: and the top of the supporting groove (2) is fixedly connected with an anti-slip strip.
3. The gas valve sealing performance testing device according to claim 1, wherein: the outer walls of the first through pipe (4) and the second through pipe (5) are fixedly connected with threaded grooves.
4. The gas valve sealing performance testing device according to claim 1, wherein: the positioning mechanism (6) comprises a concave support (601) fixedly connected to one side of the bottom plate (1), air cylinders (602) are fixedly connected to the front end and the rear end of the concave support (601), and arc clamping plates (603) are fixedly connected to the output ends of the two air cylinders (602).
5. The gas valve sealing performance testing device according to claim 4, wherein: the two cylinders (602) are symmetrically designed at the front end and the rear end of the concave bracket (601).
6. The gas valve sealing performance testing device according to claim 4, wherein: the inner ends of the two arc clamping plates (603) are fixedly connected with soft protection pads.
7. The gas valve sealing performance testing device according to claim 1, wherein: sealing gaskets are fixedly connected to the inner walls of the first valve connecting piece (7) and the second valve connecting piece (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321429886.2U CN220039739U (en) | 2023-06-07 | 2023-06-07 | Gas valve sealing performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321429886.2U CN220039739U (en) | 2023-06-07 | 2023-06-07 | Gas valve sealing performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220039739U true CN220039739U (en) | 2023-11-17 |
Family
ID=88741709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321429886.2U Active CN220039739U (en) | 2023-06-07 | 2023-06-07 | Gas valve sealing performance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220039739U (en) |
-
2023
- 2023-06-07 CN CN202321429886.2U patent/CN220039739U/en active Active
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