CN220304757U - Ball valve tightness testing device - Google Patents
Ball valve tightness testing device Download PDFInfo
- Publication number
- CN220304757U CN220304757U CN202322002331.6U CN202322002331U CN220304757U CN 220304757 U CN220304757 U CN 220304757U CN 202322002331 U CN202322002331 U CN 202322002331U CN 220304757 U CN220304757 U CN 220304757U
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- CN
- China
- Prior art keywords
- ball valve
- test
- cylinder
- testing
- tightness
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 108
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 abstract description 4
- 210000001503 joint Anatomy 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012085 test solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a ball valve tightness testing device which comprises a base, a testing cylinder and a connecting assembly, wherein the base is provided with a sealing plate; the test cylinder is arranged on the base, a sealing piston is arranged on the inner wall of the test cylinder in a sliding manner, a test weight is placed on the sealing piston, and test liquid is filled below the sealing piston; the connecting component is arranged at the bottom end of the testing cylinder and is communicated with the inside of the testing cylinder, and the connecting component is used for being detachably connected with the ball valve. The utility model realizes flexible adjustment of the tightness test pressure by utilizing the matching of the detection liquid and the test weight, can adjust the test pressure according to the parameter index of the ball valve, can realize quick butt joint and fixation between the ball valve and the test device, greatly improves the test efficiency of the ball valve, and has the characteristics of simple structure and convenient operation.
Description
Technical Field
The utility model relates to the field of tightness test, in particular to a ball valve tightness test device.
Background
The ball valve, the opening and closing piece (sphere) is driven by the valve rod and rotates around the axis of the ball valve. The device can also be used for regulating and controlling fluid, wherein the hard seal V-shaped ball valve has strong shearing force between the V-shaped ball core and the metal valve seat of the hard alloy for surfacing, and is particularly suitable for mediums containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the flow direction switching of the medium on the pipeline, and simultaneously can close any channel to connect the other two channels.
At present, a ball valve tightness testing device is generally a fixed pressure test, namely, a fixed air pressure gas is introduced into one side of an inlet of a ball valve, and whether air leakage exists at an outlet is detected to judge tightness. Because the ball valve parameter indexes are different, the test pressure is also different, and the existing ball valve tightness test device cannot be suitable for ball valve tests under the condition of multiple test pressures, and has certain defects.
Disclosure of Invention
The utility model aims to provide a ball valve tightness testing device so as to realize testing of ball valves with different testing pressures.
In order to solve the technical problems, the utility model provides a ball valve tightness testing device, which comprises a base, a testing cylinder and a connecting component;
the test cylinder is arranged on the base, a sealing piston is arranged on the inner wall of the test cylinder in a sliding manner, a test weight is placed on the sealing piston, and test liquid is filled below the sealing piston;
the connecting component is arranged at the bottom end of the testing cylinder and is communicated with the inside of the testing cylinder, and the connecting component is used for being detachably connected with the ball valve.
Further, a transparent window is arranged on the side wall of the test cylinder, and metering scale marks are arranged on the transparent window.
Further, the bottom of the test cylinder is connected with a liquid injection pump through a connecting pipe, and the liquid injection pump is installed on the base.
Further, a one-way valve is arranged between the connecting pipe and the testing cylinder, and the circulation direction of the one-way valve is directed inwards from the outside of the testing cylinder.
Further, the test weight is provided with a plurality of blocks, and the test weight regulates the tightness test pressure of the ball valve.
Further, the connecting assembly comprises a flange arranged on the side face of the bottom of the testing cylinder, a screw is arranged on the flange, and a nut for connecting and fixing the ball valve is arranged on the screw in a threaded mode.
Further, a sealing gasket is arranged on the flange connection surface.
Compared with the prior art, the utility model has at least the following beneficial effects:
the utility model realizes flexible adjustment of the tightness test pressure by utilizing the matching of the detection liquid and the test weight, can adjust the test pressure according to the parameter index of the ball valve, can realize quick butt joint and fixation between the ball valve and the test device, greatly improves the test efficiency of the ball valve, and has the characteristics of simple structure and convenient operation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a ball valve tightness testing device of the present utility model;
fig. 2 is a schematic structural view of a test cylinder of the ball valve tightness test device.
Detailed Description
The ball valve tightness testing device of the present utility model will now be described in more detail with reference to the accompanying schematic drawings, in which preferred embodiments of the present utility model are shown, it being understood that the utility model described herein may be modified by those skilled in the art, while still achieving the advantageous effects of the utility model. Accordingly, the following description is to be construed as broadly known to those skilled in the art and not as limiting the utility model.
The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.
As shown in fig. 1 and 2, an embodiment of the present utility model provides a ball valve tightness testing device, which includes a base 1, a testing cylinder 2 and a connecting assembly.
Specifically, the test cylinder 2 is arranged on the base 1, a sealing piston 3 is slidably arranged on the inner wall of the test cylinder 2, a test weight 4 is arranged on the sealing piston 3, a test liquid is filled below the sealing piston 3, a plurality of test weights 4 are arranged, and the test weight 4 regulates the sealing test pressure of the ball valve;
the connecting component is arranged at the bottom end of the testing cylinder 2 and is communicated with the inside of the testing cylinder 2, and the connecting component is used for being detachably connected with the ball valve.
In this embodiment, the ball valve to be detected is connected with the testing cylinder 2 through the connecting component, after the ball valve is connected, the ball valve switch is closed, meanwhile, the testing cylinder 2 is filled with the testing liquid (optionally water), the sealing piston 3 is plugged into the inner wall of the testing cylinder 2, and meanwhile, according to the testing pressure requirement of the sealing performance of the ball valve, a corresponding number of testing weights 4 can be placed on the sealing piston 3. After the steps are finished, standing for a period of time, and observing whether liquid seeps out from the water outlet of the ball valve, if no liquid seeps out, the ball valve is proved to have good sealing performance, and if liquid seeps out, the ball valve is not good in sealing performance.
In a specific embodiment, in order to intuitively understand the detection result, a transparent window 5 is disposed on the side wall of the testing cylinder 2, and a metering scale line 6 is disposed on the transparent window 5. When the ball valve tightness test is carried out after the test liquid is filled, the first position of the bottom end of the sealing piston 3 corresponding to the metering scale mark 6 is recorded, after the ball valve is kept stand for a period of time, the second position of the bottom end of the sealing piston 3 is observed, if the first position is the same as the second position, the tightness is good, and if the first position is different from the second position, the ball valve tightness is proved to be poor.
Further, the bottom of the testing cylinder 2 is connected with a liquid injection pump 7 through a connecting pipe, the liquid injection pump 7 is installed on the base 1, a one-way valve 8 is arranged between the connecting pipe and the testing cylinder 2, and the circulation direction of the one-way valve 8 is directed inwards from the outside of the testing cylinder 2.
Specifically, in order to facilitate the filling of the test solution, the test solution may be directly injected into the test cartridge 2 from the bottom of the test cartridge 2 by the injection pump 7. The liquid injection pump 7 is connected with the test cylinder 2 through the one-way valve 8, so that the one-way valve 8 is always in a closed state in the ball valve tightness test process, and the ball valve tightness test is ensured to be normally carried out.
Further, the connecting assembly comprises a flange 9 arranged on the side surface of the bottom of the testing cylinder 2, a screw rod 10 is arranged on the flange 9, and a nut 11 for connecting and fixing the ball valve is arranged on the screw rod 10 in a threaded mode.
Specifically, when the ball valve to be detected needs to be connected to the test cylinder 2, the fixing hole of the flange 9 of the ball valve to be detected is aligned with the screw 10 and inserted, and then the nut 11 is used for fastening the ball valve to be detected, so that the connection and the fixing of the ball valve to be detected are completed.
In order to ensure the connection tightness between the ball valve and the connecting assembly, a sealing gasket is arranged on the connecting surface of the flange 9.
Compared with the prior art, the utility model has at least the following beneficial effects:
the utility model realizes flexible adjustment of the tightness test pressure by utilizing the matching of the detection liquid and the test weight, can adjust the test pressure according to the parameter index of the ball valve, can realize quick butt joint and fixation between the ball valve and the test device, greatly improves the test efficiency of the ball valve, and has the characteristics of simple structure and convenient operation.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. The ball valve tightness testing device is characterized by comprising a base, a testing cylinder and a connecting assembly;
the test cylinder is arranged on the base, a sealing piston is arranged on the inner wall of the test cylinder in a sliding manner, a test weight is placed on the sealing piston, and test liquid is filled below the sealing piston;
the connecting component is arranged at the bottom end of the testing cylinder and is communicated with the inside of the testing cylinder, and the connecting component is used for being detachably connected with the ball valve.
2. The ball valve tightness testing device according to claim 1, wherein a transparent window is arranged on the side wall of the testing cylinder, and metering graduation marks are arranged on the transparent window.
3. The ball valve tightness testing device according to claim 1, wherein the bottom of the testing cylinder is connected with a liquid injection pump through a connecting pipe, and the liquid injection pump is installed on the base.
4. A ball valve tightness testing device according to claim 3, wherein a one-way valve is provided between said connection tube and said test cylinder, and the flow direction of said one-way valve is directed from the outside of said test cylinder to the inside.
5. The ball valve tightness testing apparatus of claim 1, wherein said test weights are provided with a plurality of pieces, said test weights adjusting the tightness test pressure of the ball valve.
6. The ball valve tightness testing apparatus according to claim 1, wherein the connection assembly comprises a flange provided on a bottom side of the test cylinder, a screw is provided on the flange, and a nut for connecting and fixing the ball valve is screw-mounted on the screw.
7. The ball valve tightness testing apparatus of claim 6, wherein a gasket is provided on the flange connection surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322002331.6U CN220304757U (en) | 2023-07-28 | 2023-07-28 | Ball valve tightness testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322002331.6U CN220304757U (en) | 2023-07-28 | 2023-07-28 | Ball valve tightness testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220304757U true CN220304757U (en) | 2024-01-05 |
Family
ID=89375992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322002331.6U Active CN220304757U (en) | 2023-07-28 | 2023-07-28 | Ball valve tightness testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220304757U (en) |
-
2023
- 2023-07-28 CN CN202322002331.6U patent/CN220304757U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |