CN216669150U - Valve leakage measuring equipment - Google Patents
Valve leakage measuring equipment Download PDFInfo
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- CN216669150U CN216669150U CN202123128508.4U CN202123128508U CN216669150U CN 216669150 U CN216669150 U CN 216669150U CN 202123128508 U CN202123128508 U CN 202123128508U CN 216669150 U CN216669150 U CN 216669150U
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- valve
- connecting pipeline
- measuring
- stop valve
- measuring cup
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Abstract
The utility model provides a valve leakage measuring device which can be used for measuring the sealing performance of a valve, is convenient to operate and can measure more accurately the leakage. The liquid level measuring device comprises a container filled with liquid and a measuring cup, wherein the top of the measuring cup is communicated with a first connecting pipeline and is suspended in the container in a mode that an opening faces downwards through the first connecting pipeline, the bottom of the measuring cup is positioned below the liquid level in the container, the first connecting pipeline is connected with a negative pressure tank through a first stop valve, and the negative pressure tank is connected with a vacuum pump through a second stop valve; the device also comprises a second connecting pipeline, wherein the second connecting pipeline extends into the container and the bottom of the measuring cup, and the second connecting pipeline is connected with the valve to be measured through a third stop valve.
Description
Technical Field
The utility model relates to the technical field of valve tightness detection, in particular to a valve leakage measuring device.
Background
The traditional valve leakage measuring equipment is shown in figure 1 and comprises a first container 100 filled with water, a second container 200 is reversely buckled in the first container 100, a valve 300 to be measured is led into the bottom of the second container 200 through a pipeline, when the valve leakage measuring equipment is used, an operator holds the second container 200 by hand and injects gas into the closed valve 300 to be measured at the same time, whether the valve leaks or not is judged by observing whether bubbles are generated in the second container 200, the device needs to manually hold the second container for measurement, the operation is inconvenient, and meanwhile, the leakage amount of the valve cannot be accurately obtained.
SUMMERY OF THE UTILITY MODEL
The utility model provides a valve leakage measuring device, which can be used for measuring the sealing performance of a valve, is convenient to operate and can measure the leakage more accurately.
The technical scheme is as follows: a valve leak measuring apparatus comprising a container containing a liquid, characterized by: the top of the measuring cup is communicated with a first connecting pipeline and is suspended in the container in a mode that an opening faces downwards through the first connecting pipeline, the bottom of the measuring cup is located below the liquid level in the container, the first connecting pipeline is connected with a negative pressure tank through a first stop valve, and the negative pressure tank is connected with a vacuum pump through a second stop valve; the measuring cup further comprises a second connecting pipeline, the second connecting pipeline extends into the container and extends into the bottom of the measuring cup, and the second connecting pipeline is connected with a valve to be measured through a third stop valve.
It is further characterized in that:
the number of the measuring cups is more than one, and each measuring cup is correspondingly provided with a connecting pipeline I, a stop valve I, a connecting pipeline II and a stop valve III;
the volume of each measuring cup is different;
the first stop valve is also correspondingly connected with a throttle valve;
each first connecting pipeline is connected with a first main pipeline through a corresponding first stop valve, and the first main pipeline is connected with the negative pressure tank; each second connecting pipeline is connected with a second main pipeline through a corresponding third stop valve, and the second main pipeline is connected with a valve to be tested;
the main pipeline II is connected with the valve to be tested through a ball valve I;
the main pipeline II is also connected with a drain pipe through a ball valve II.
The utility model has the beneficial effects that: when the measuring cup is used, the second stop valve is opened firstly, the first stop valve is closed, air in the negative pressure tank is discharged through the vacuum pump, the negative pressure tank is vacuumized, then the second stop valve is closed, the first stop valve is opened, water is injected into the measuring cup, the first stop valve is closed after the water is full, the third stop valve is opened, gas is injected into the valve to be measured, leakage amount is judged by observing the amount of gas in the measuring cup, the measuring cup is hung in a container through the first connecting pipeline and does not need to be held by an operator, operation is facilitated, meanwhile, the amount of gas discharged into the measuring cup can be clearly read through the measuring cup, and compared with the traditional measuring equipment, the result is more accurate.
Drawings
FIG. 1 is a schematic diagram of a conventional valve leak measurement apparatus;
FIG. 2 is a schematic view of the structure of the present invention.
Detailed Description
The valve leakage measuring device shown in fig. 2 comprises a container 1 containing liquid, a measuring cup 2, wherein the top of the measuring cup 2 is communicated with a first connecting pipeline 3 and is suspended in the container 1 in a downward opening mode through the first connecting pipeline 3, the bottom of the measuring cup 2 is positioned below the liquid level in the container 1, the first connecting pipeline 3 is connected with a negative pressure tank 5 through a first stop valve 4, the negative pressure tank 5 is connected with a vacuum pump 7 through a second stop valve 6, and the vacuum pump is controlled through a start button 8; the measuring device further comprises a second connecting pipeline 9, the second connecting pipeline 9 extends into the container 1 and the bottom of the measuring cup 2, and the second connecting pipeline 9 is connected with a valve 11 to be measured through a third stop valve 10.
For the convenience of repeated measurement, the number of the measuring cups 2 is more than one, 4 in the scheme, and each measuring cup 2 is correspondingly provided with a first connecting pipeline 3, a first stop valve 4, a second connecting pipeline 9 and a third stop valve 10. Each connecting pipeline I3 is connected with a main pipeline I12 through a corresponding stop valve I4, and the main pipeline I12 is connected with the negative pressure tank 5; each connecting pipeline II 9 is connected with a main pipeline II 13 through a corresponding stop valve III 10, and the main pipeline II 13 is connected with a valve 11 to be tested; the setting is that when liquid is injected into the vector cups, all the first stop valves can be opened, all the measuring cups can be filled with water together, the corresponding first stop valves are closed after the measuring cups are full, the third stop valve corresponding to one measuring cup is opened for measurement after the valve to be measured is connected to the second main pipeline, the third stop valve is closed after the measurement is finished, the second next valve to be measured is changed, the third stop valve corresponding to the other measuring cup is opened, and therefore, the three valves can be detected by injecting water once, and therefore the operation efficiency is improved.
In addition, the volume of each measuring cup is different so as to meet the measuring requirements of different valves. The first stop valve 4 is also correspondingly connected with a throttle valve 14 for adjusting the water lifting speed during water injection, so that the water lifting speeds with different volumes can be consistent. The main pipeline II 13 is connected with the valve to be tested 11 through a ball valve I15; the main pipe II 13 is also connected with a drain pipe 17 through a ball valve II 16, and after detection is finished, a stop valve III and the ball valve are opened for draining.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A valve leak measuring apparatus comprising a container containing a liquid, characterized by: the top of the measuring cup is communicated with a first connecting pipeline and is suspended in the container in a mode that an opening faces downwards through the first connecting pipeline, the bottom of the measuring cup is located below the liquid level in the container, the first connecting pipeline is connected with a negative pressure tank through a first stop valve, and the negative pressure tank is connected with a vacuum pump through a second stop valve; the measuring cup further comprises a second connecting pipeline, the second connecting pipeline extends into the container and extends into the bottom of the measuring cup, and the second connecting pipeline is connected with a valve to be measured through a third stop valve.
2. A valve leak measurement apparatus according to claim 1, wherein: the quantity of the measuring cups is more than one, and each measuring cup is correspondingly provided with a connecting pipeline I, a stop valve I, a connecting pipeline II and a stop valve III.
3. A valve leak measurement apparatus according to claim 2, wherein: the volume of each measuring cup is different.
4. A valve leak measurement apparatus according to claim 3, wherein: the first stop valve is also correspondingly connected with a throttle valve.
5. The valve leakage measuring apparatus of any one of claims 2 to 4, wherein: each connecting pipeline I is connected with a main pipeline I through a corresponding stop valve I, and the main pipeline I is connected with the negative pressure tank; every connecting tube two is connected with trunk line two through the stop valve three that corresponds, trunk line two is connected with the valve that awaits measuring.
6. The valve leak measurement apparatus of claim 5, wherein: and the main pipeline II is connected with the valve to be tested through the ball valve I.
7. The valve leak measurement apparatus of claim 6, wherein: and the main pipeline II is also connected with a drain pipe through a ball valve II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123128508.4U CN216669150U (en) | 2021-12-14 | 2021-12-14 | Valve leakage measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123128508.4U CN216669150U (en) | 2021-12-14 | 2021-12-14 | Valve leakage measuring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216669150U true CN216669150U (en) | 2022-06-03 |
Family
ID=81789577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123128508.4U Active CN216669150U (en) | 2021-12-14 | 2021-12-14 | Valve leakage measuring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216669150U (en) |
-
2021
- 2021-12-14 CN CN202123128508.4U patent/CN216669150U/en active Active
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