CN111896186A - Valve gas tightness detection device - Google Patents
Valve gas tightness detection device Download PDFInfo
- Publication number
- CN111896186A CN111896186A CN201910370318.1A CN201910370318A CN111896186A CN 111896186 A CN111896186 A CN 111896186A CN 201910370318 A CN201910370318 A CN 201910370318A CN 111896186 A CN111896186 A CN 111896186A
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- valve
- detection
- workbench
- top surface
- fixing
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- 238000001514 detection method Methods 0.000 title claims abstract description 77
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 238000007789 sealing Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/086—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for valves
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The application discloses a valve airtightness detection device, which comprises a workbench; the top surface of the workbench is provided with a valve fixing mechanism; the top surface of the workbench is provided with a detection mechanism; the detection mechanism comprises a support frame arranged on the top surface of the workbench; a detection cylinder is fixedly arranged on the support frame; a detection air pump is arranged on the top surface of the workbench; the detection air cylinder is connected to the output end of the detection air pump through a high-pressure pipeline; the detection cylinder is provided with a communicated air outlet pipe; the air outlet pipe is connected with a first high-pressure hose; the first high-pressure hose is in threaded connection with the air outlet pipe through a first connecting nut; the end part of the first high-pressure hose is provided with a first valve adapter; a communicated pressure gauge is arranged on the side wall of the detection cylinder; and an observation mechanism is arranged on one side, away from the detection mechanism, of the top surface of the workbench, which is positioned on the valve fixing mechanism. This application simple structure, the operation of being convenient for can carry out the gas tightness to not unidimensional valve and detect, and the practicality is strong.
Description
Technical Field
The present disclosure generally relates to the field of valve detection technologies, and in particular, to a valve airtightness detection apparatus.
Background
The valve is a control part in a fluid conveying system, has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, is used for the valve of the fluid control system, and has quite a plurality of varieties and specifications from the simplest stop valve to various valves used in an extremely complicated automatic control system.
The valve is applied to various fields in our daily life and plays a vital role in people's life, so the quality of the valve is very critical. At present, although valve quality detection equipment on the market detects accurately, the structure is very complex, and the popularization and the use are not facilitated; and the detection is very inconvenient for valves of different models.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a valve airtightness detection apparatus with simple structure, convenient operation and strong practicability.
The application provides a valve airtightness detection device, which comprises a workbench; the top surface of the workbench is provided with a valve fixing mechanism; a detection mechanism is arranged on one side, positioned on the valve fixing mechanism, of the top surface of the workbench;
the detection mechanism comprises a support frame arranged on the top surface of the workbench; a detection cylinder is fixedly arranged on the support frame; a detection air pump is arranged on one side, located on the detection air cylinder, of the top surface of the workbench; the detection air cylinder is connected to the output end of the detection air pump through a high-pressure pipeline; one side of the detection cylinder close to the valve fixing mechanism is provided with a communicated air outlet pipe; the end part of the air outlet pipe, which is far away from the detection cylinder, is connected with a first high-pressure hose; the first high-pressure hose is in threaded connection with the air outlet pipe through a first connecting nut; the end part of the first high-pressure hose far away from the air outlet pipe is provided with a first valve connecting head; a communicated pressure gauge is arranged on the side wall of the detection cylinder;
an observation mechanism is arranged on one side, away from the detection mechanism, of the top surface of the workbench, on the valve fixing mechanism; the observation mechanism comprises an observation water tank arranged on the top surface of the workbench; an air inlet pipe is communicated with the bottom end of the side wall of the observation water tank close to the valve fixing mechanism; the air inlet pipe is provided with a switch valve; the end part of the air inlet pipe, which is far away from the observation water tank, is connected with a second high-pressure hose; the second high-pressure hose is in threaded connection with the air inlet pipe through a second connecting nut; and a second valve receiving head is arranged at the end part of the second high-pressure hose far away from the air inlet pipe.
According to the technical scheme provided by the embodiment of the application, the valve air tightness detection device is provided with a plurality of groups of corresponding first high-pressure hoses and second high-pressure hoses; each first high-pressure hose is provided with a first valve adapter with different sizes; and second valve receiving heads with different sizes are arranged on the second high-pressure hoses.
According to the technical scheme provided by the embodiment of the application, the valve fixing mechanism comprises a horizontal fixing plate arranged on the top surface of the workbench; two valve clamps are arranged on the fixed plate along the direction from the detection mechanism to the observation mechanism.
According to the technical scheme provided by the embodiment of the application, the valve clamp comprises two arc-shaped clamping pieces which are arranged in an axisymmetric manner; the bottom end of the arc-shaped clamping piece is provided with a fixing piece; the fixing sheet is provided with a fixing hole; an inverted T-shaped slideway which is vertical to the direction from the detection mechanism to the observation mechanism is arranged on the fixed plate corresponding to the fixed hole; the fixing piece is fixed on the fixing plate through a fixing bolt which is arranged in the slideway and penetrates through the fixing hole.
According to the technical scheme provided by the embodiment of the application, a first connecting rubber sealing ring is arranged between the first connecting nut and the air outlet pipe; a first receiving rubber sealing ring is arranged in the first valve receiving head; a second connecting rubber sealing ring is arranged between the second connecting nut and the air inlet pipe; a second receiving rubber sealing ring is arranged in the second valve receiving head.
Compared with the prior art, the beneficial effects of this application are: the valve airtightness detection device is provided with the valve fixing mechanism, the detection mechanism and the observation mechanism, and is simple in structure and convenient to operate; the detection mechanism is used for detecting the air tightness of the valve, so that the detection result is accurate; through the change of the first high-pressure hose and the second high-pressure hose that the multiunit corresponds, can carry out the gas tightness to not unidimensional valve and detect, the practicality is strong.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a valve airtightness detection apparatus according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural view of a valve fixing mechanism;
fig. 3 is a cross-sectional view a-a of fig. 2.
Reference numbers in the figures: 11. a work table; 12. a valve fixing mechanism; 13. a detection mechanism; 14. an observation mechanism;
21. a fixing plate; 22. a valve clamp; 23. an arc-shaped clamping piece; 24. a fixing sheet; 25. a fixing hole; 26. a slideway; 27. a bolt;
31. a support frame; 32. detecting a cylinder; 33. detecting the air pump; 34. a high pressure line; 35. an air outlet pipe; 36. a first high pressure hose; 37. a first coupling nut; 38. a first valve adapter; 39. a pressure gauge;
41. observing the water pool; 42. an air inlet pipe; 43. opening and closing the valve; 44. a second high pressure hose; 45. a second coupling nut; 46. a first valve receiving head.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 3, an embodiment of the present application provides a valve airtightness detection apparatus, including a worktable 11; the top surface of the workbench 11 is provided with a valve fixing mechanism 12; a detection mechanism 13 is arranged on one side of the top surface of the workbench 11, which is positioned on the valve fixing mechanism 12;
the detection mechanism 13 comprises a support frame 31 arranged on the top surface of the workbench 11; a detection cylinder 32 is fixedly arranged on the support frame 31; a detection air pump 33 is arranged on one side of the top surface of the workbench 11, which is positioned on the detection air cylinder 32; the detection cylinder 32 is connected to the output end of the detection air pump 33 through a high-pressure pipeline 34; one side of the detection cylinder 32 close to the valve fixing mechanism 12 is provided with a communicated air outlet pipe 35; the end part of the air outlet pipe 35 far away from the detection cylinder 32 is connected with a first high-pressure hose 36; the first high-pressure hose 36 is in threaded connection with the air outlet pipe 35 through a first connecting nut 37; the end part of the first high-pressure hose 36 far away from the air outlet pipe 35 is provided with a first valve adapter 38; the side wall of the detection cylinder 32 is provided with a communicated pressure gauge 39 for observing the pressure value in the detection cylinder 32;
an observation mechanism 14 is arranged on one side, away from the detection mechanism 13, of the top surface of the workbench 11 on the valve fixing mechanism 12; the observation mechanism 14 includes an observation tank 41 provided on the top surface of the table 11; an air inlet pipe 42 is communicated with the bottom end of the side wall of the observation water tank 41 close to the valve fixing mechanism 12; the air inlet pipe 42 is provided with a switch valve 43; the end of the air inlet pipe 42 far away from the observation water tank 41 is connected with a second high-pressure hose 44; the second high-pressure hose 44 is in threaded connection with the air inlet pipe 42 through a second connecting nut 45; the end of the second high pressure hose 44 remote from the inlet pipe 42 is provided with a second valve receiving head 46.
The working principle of the valve airtightness detection device is as follows: firstly, a valve to be detected is placed on the valve fixing mechanism 12, the first valve receiving head 38 is connected with one end of the valve, the second valve receiving head 46 is connected with the other end of the valve, then the switch valve 43 is opened, power is supplied to the detection air pump 33, when the designed pressure value of the valve is reached in the detection air cylinder 32, the power supply to the detection air pump 33 is stopped, the interior of the observation pool 41 is observed for 15-20 minutes, if bubbles are emitted in the observation pool 41, the quality of the detected valve is unqualified, no bubbles are emitted, and the quality of the detected valve is qualified.
In a preferred embodiment, the valve airtightness detection means is provided with a plurality of sets of corresponding first and second high- pressure hoses 36 and 44; each first high-pressure hose 36 is provided with a first valve receiving head 38 of a different size; each of the second high-pressure hoses 44 is provided with a second valve receiving head 46 of a different size. By replacing the respective first and second high pressure hoses 36, 44, testing of a variety of different sized valves can be achieved.
In a preferred embodiment, the valve fixing mechanism 12 includes a horizontal fixing plate 21 disposed on the top surface of the table 11; two valve clamps 22 are disposed on the fixing plate 21 along the direction from the detecting mechanism 13 to the observing mechanism 14.
In a preferred embodiment, the valve clip 22 comprises two axisymmetrically arranged arc-shaped clips 23; the bottom end of the arc-shaped clamping piece 23 is provided with a fixing piece 24; the fixing piece 24 is provided with a fixing hole 25; the fixing plate 21 is provided with an inverted T-shaped slideway 26 corresponding to the fixing hole 25 and vertical to the direction from the detection mechanism 13 to the observation mechanism 14; the fixing piece 24 is fixed to the fixing plate 21 by a fixing bolt 27 which is provided in the slide rail 26 and passes through the fixing hole 25. The fixing bolt 27 can slide along the slide way 26 by loosening the fixing bolt 27, so that the distance between the two arc-shaped clamping pieces 23 is adjusted, and the valves with various sizes can be clamped and fixed.
In a preferred embodiment, a first connecting rubber sealing ring is arranged between the first connecting nut 37 and the air outlet pipe 35; a first receiving rubber sealing ring is arranged in the first valve receiving head 38; a second connecting rubber sealing ring is arranged between the second connecting nut 45 and the air inlet pipe 42; a second receiving rubber seal is provided within the second valve receiving head 46. The whole device has good air tightness, and the accuracy of the detection result is enhanced.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (5)
1. The valve airtightness detection device is characterized by comprising a workbench; the top surface of the workbench is provided with a valve fixing mechanism; a detection mechanism is arranged on one side, located on the valve fixing mechanism, of the top surface of the workbench;
the detection mechanism comprises a support frame arranged on the top surface of the workbench; a detection cylinder is fixedly arranged on the support frame; a detection air pump is arranged on one side, located on the detection air cylinder, of the top surface of the workbench; the detection air cylinder is connected to the output end of the detection air pump through a high-pressure pipeline; one side of the detection cylinder, which is close to the valve fixing mechanism, is provided with a communicated air outlet pipe; the end part of the air outlet pipe, which is far away from the detection cylinder, is connected with a first high-pressure hose; the first high-pressure hose is in threaded connection with the air outlet pipe through a first connecting nut; the end part of the first high-pressure hose far away from the air outlet pipe is provided with a first valve connecting head; the side wall of the detection cylinder is provided with a communicated pressure gauge;
an observation mechanism is arranged on one side, away from the detection mechanism, of the top surface of the workbench, of the valve fixing mechanism; the observation mechanism comprises an observation water pool arranged on the top surface of the workbench; an air inlet pipe is communicated with the bottom end of the side wall of the observation water tank close to the valve fixing mechanism; the air inlet pipe is provided with a switch valve; the end part of the air inlet pipe, which is far away from the observation water tank, is connected with a second high-pressure hose; the second high-pressure hose is in threaded connection with the air inlet pipe through a second connecting nut; and a second valve receiving head is arranged at the end part of the second high-pressure hose far away from the air inlet pipe.
2. The valve airtightness detection apparatus according to claim 1, wherein the valve airtightness detection apparatus is provided with a plurality of sets of corresponding first and second high-pressure hoses; each first high-pressure hose is provided with a first valve adapter with different sizes; and second valve receiving heads with different sizes are arranged on the second high-pressure hoses.
3. The valve airtightness detection apparatus according to claim 2, wherein the valve fixing mechanism includes a horizontal fixing plate provided on the top surface of the table; two valve clamps are arranged on the fixed plate along the direction from the detection mechanism to the observation mechanism.
4. The valve airtightness detection apparatus according to claim 3, wherein the valve clip comprises two arc-shaped clips disposed axisymmetrically; the bottom end of the arc-shaped clamping piece is provided with a fixing piece; the fixing sheet is provided with a fixing hole; an inverted T-shaped slideway which is perpendicular to the direction from the detection mechanism to the observation mechanism is arranged on the fixed plate corresponding to the fixed hole; the fixing piece is fixed on the fixing plate through a fixing bolt which is arranged in the slideway and penetrates through the fixing hole.
5. The valve airtightness detection apparatus according to claim 4, wherein a first connection rubber seal ring is provided between the first connection nut and the air outlet pipe; a first bearing rubber sealing ring is arranged in the first valve bearing head; a second connecting rubber sealing ring is arranged between the second connecting nut and the air inlet pipe; and a second bearing rubber sealing ring is arranged in the second valve bearing head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370318.1A CN111896186A (en) | 2019-05-06 | 2019-05-06 | Valve gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370318.1A CN111896186A (en) | 2019-05-06 | 2019-05-06 | Valve gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111896186A true CN111896186A (en) | 2020-11-06 |
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ID=73169357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910370318.1A Pending CN111896186A (en) | 2019-05-06 | 2019-05-06 | Valve gas tightness detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111896186A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588279A (en) * | 2021-07-01 | 2021-11-02 | 浙江意动科技股份有限公司 | A equipment for measuring increase material manufacturing part inner passage patency |
| CN113720575A (en) * | 2021-07-01 | 2021-11-30 | 浙江意动科技股份有限公司 | Water tank for fluid damping detection of internal channel of additive manufacturing part |
-
2019
- 2019-05-06 CN CN201910370318.1A patent/CN111896186A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588279A (en) * | 2021-07-01 | 2021-11-02 | 浙江意动科技股份有限公司 | A equipment for measuring increase material manufacturing part inner passage patency |
| CN113720575A (en) * | 2021-07-01 | 2021-11-30 | 浙江意动科技股份有限公司 | Water tank for fluid damping detection of internal channel of additive manufacturing part |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201106 |
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| WD01 | Invention patent application deemed withdrawn after publication |