CN219757653U - Butterfly valve gas tightness detection device - Google Patents
Butterfly valve gas tightness detection device Download PDFInfo
- Publication number
- CN219757653U CN219757653U CN202320604070.2U CN202320604070U CN219757653U CN 219757653 U CN219757653 U CN 219757653U CN 202320604070 U CN202320604070 U CN 202320604070U CN 219757653 U CN219757653 U CN 219757653U
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- Prior art keywords
- butterfly valve
- lower support
- detection device
- annular steps
- tightness detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 2
- 238000007493 shaping process Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Indication Of The Valve Opening Or Closing Status (AREA)
- Lift Valve (AREA)
Abstract
The utility model discloses a butterfly valve air tightness detection device which comprises a detection table, a lower support fixedly arranged on the detection table, and an upper sealing part movably arranged above the lower support and used for sealing one end face of a butterfly valve, wherein an air cavity is formed in the lower support along the height direction of the lower support, a cylindrical boss I communicated with the air cavity is arranged above the lower support, a plurality of annular steps I are arranged on the outer circumference of the cylindrical boss I in a stacking manner along the height direction of the cylindrical boss I, the diameters of the annular steps I are gradually increased from top to bottom.
Description
Technical Field
The utility model relates to the technical field of air tightness detection, in particular to a butterfly valve air tightness detection device.
Background
The butterfly valve is a regulating valve with a simple structure; an on-off butterfly valve that can be used with low pressure piping media refers to a valve in which the closure member is a disk that rotates about a valve axis to achieve opening and closing.
In the butterfly valve course of working, need detect the gas tightness of butterfly valve body, gas tightness check out test set can only detect the valve in the specification within a certain extent, if surpass behind this kind of specification, then need use other gas tightness equipment to detect, check out test set's application scope is less, has increased the equipment cost of enterprise.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model discloses a butterfly valve air tightness detection device.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme: the utility model provides a butterfly valve gas tightness detection device, includes the test bench, the fixed lower support that sets up on the test bench, activity setting be used for carrying out sealed upper seal portion to an terminal surface of butterfly valve in the lower support top, the inside of lower support is formed with the vent cavity along its direction of height, the top of lower support is provided with the bellied first of tube-shape that is linked together with the vent cavity, the outer periphery of the bellied first of tube-shape is provided with the annular step of several along its direction of height range upon range of first, and the diameter from the top down grow one by one of annular step of several.
Preferably, a vent pipe and an exhaust pipe connected with the vent cavity are arranged on the peripheral circle of the lower support, and the vent pipe is provided with an air pressure detection meter through a branch pipe.
Preferably, the upper sealing part comprises a truss erected above the lower support, a pressing hydraulic cylinder arranged at the center of the top of the truss beam and a sealing plate arranged at the bottom of the truss and connected with a driving shaft of the pressing hydraulic cylinder, the bottom of the sealing plate is provided with a cylindrical bulge II, the outer circumference of the cylindrical bulge II is provided with a plurality of annular steps II in a stacking manner along the height direction of the cylindrical bulge II, and the diameters of the annular steps II are gradually reduced from top to bottom.
Preferably, a rubber pad is attached to the upper surfaces of the first annular steps and the lower surfaces of the second annular steps, and the first annular steps and the second annular steps are equidistantly arranged.
Preferably, the center lines of the first cylindrical protrusion and the second cylindrical protrusion are in the same straight line.
Preferably, a supporting leg is arranged around the bottom of the detection table, and each supporting leg is provided with a brake roller.
The utility model has the following beneficial effects:
according to the utility model, the plurality of annular steps I are arranged on the outer circumference of the cylindrical bulge I and can be used for placing butterfly valve bodies of different types, when the butterfly valve bodies are matched with the upper sealing part, the butterfly valve bodies can be sealed, and compared with the traditional method for manufacturing different detection equipment for butterfly valves of different types, the butterfly valve is high in universality and can reduce the production cost of enterprises.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a schematic diagram of a front view structure of the present disclosure;
fig. 2 is a schematic rear view of the structure of the present disclosure.
In the figure: 10. a detection table; 20. a lower support; 21. a cylindrical protrusion I; 22. annular step I; 23. a rubber pad; 30. an upper sealing part; 31. truss; 32. pressing down a hydraulic cylinder; 33. a sealing plate; 34. a cylindrical protrusion II; 35. annular steps II; 40. a support leg; 50. braking type roller; 60. a vent pipe; 70. an exhaust pipe; 80. a branch pipe; 90. an air pressure detecting meter.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Examples
Referring to fig. 1 and 2, a butterfly valve air tightness detecting device includes a detecting table 10, a lower support 20 fixedly provided on the detecting table 10, an upper sealing portion 30 movably provided above the lower support 20 for sealing one end surface of the butterfly valve, an air vent chamber (not shown in the present utility model) is formed in the lower support 20 along a height direction thereof, a cylindrical boss 21 communicating with the air vent chamber is provided above the lower support 20, a plurality of annular steps 22 are laminated on an outer circumference of the cylindrical boss 21 along the height direction thereof, and diameters of the plurality of annular steps 22 become larger one by one from top to bottom.
In addition to the above, the breather pipe 60 and the exhaust pipe 70 connected to the breather chamber are provided on the outer circumference of the lower support 20, the breather pipe is provided with the air pressure detection meter 90 through the bypass pipe 80, when the tightness of the valve body of the butterfly valve is detected, compressed air is introduced into the lower support 20 through the breather pipe 60, the compressed air enters the valve body of the butterfly valve through the breather chamber of the lower support, the sealing condition of the butterfly valve is confirmed through the air pressure detection meter 90 under observation, and finally the compressed air is discharged through the exhaust pipe 70.
Specifically, the upper sealing portion 30 includes a truss 31 that is erected above the lower support 20, a pressing hydraulic cylinder 32 that is disposed in the center of the top of the cross beam of the truss 31, and a sealing plate 33 that is disposed at the bottom of the truss 31 and is connected to the driving shaft of the pressing hydraulic cylinder 32, a cylindrical protrusion second 34 is disposed at the bottom of the sealing plate 33, a plurality of annular steps second 35 are disposed on the outer circumference of the cylindrical protrusion second 34 along the height direction thereof, the diameters of the plurality of annular steps second 35 are gradually reduced from top to bottom, in order to match with the cylindrical protrusion second 34, the center lines of the cylindrical protrusion first 21 and the cylindrical protrusion second 34 are in the same straight line, when the tightness of the butterfly valve is detected, one end face of the butterfly valve to be detected is firstly placed on the corresponding annular step first 22, then, the pressing cylinder is controlled to drive the sealing plate 33 to descend so that the annular steps second 35 are abutted against the other end face of the butterfly valve, in addition, a layer of rubber pad 23 is attached to the upper surface of the plurality of annular steps first 22, and the lower surface of the plurality of annular steps second 35 are all disposed on the side of the upper surface of the plurality of annular steps, the plurality of annular steps second 35 are all disposed on the end faces, in order to match with the cylindrical protrusion second 34, the center lines of the cylindrical protrusion first 21 and the center line with the cylindrical protrusion second 34 are in the same straight line, when the butterfly valve is detected, when the butterfly valve is in the sealing performance is detected, the butterfly valve is effectively equal to be equal in distance, and the air, and the inside the butterfly valve is detected, and the butterfly valve is 60, and when the sealing performance is effectively detected, and when the air, and the air is compressed.
As a preferred embodiment of the utility model, the bottom of the detection table 10 is provided with the supporting legs 40 at the periphery, each supporting leg 40 is provided with the brake roller 50, and the brake roller 50 is arranged to facilitate an operator to push the whole device to move to a designated place, thereby avoiding manual carrying of the operator, being flexible to use and having strong practicability.
The adaptability illustrates that the butterfly valves of three types are respectively a small butterfly valve, a medium butterfly valve and a large butterfly valve, and the butterfly valves correspond to the small butterfly valve, the medium butterfly valve and the large butterfly valve: the number of the annular steps one 22 is three, that is, when the tightness of the small butterfly valve, the middle butterfly valve and the large butterfly valve is detected, the small butterfly valve, the middle butterfly valve and the large butterfly valve can be correspondingly placed on the annular steps one 22, and can be sealed through the three annular steps two 35.
The foregoing embodiments are merely illustrative of the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same according to the present utility model, not to limit the scope of the present utility model. All changes and modifications that come within the meaning and range of equivalency of the utility model are to be embraced within their scope.
Claims (6)
1. The utility model provides a butterfly valve gas tightness detection device, includes detection platform (10), fixed lower support (20) that set up on detection platform (10), activity setting are used for going on sealed last sealing part (30) of an terminal surface to the butterfly valve in lower support (20) top, a serial communication port, the inside of lower support (20) is followed its direction of height shaping and is had the ventilation chamber, the top of lower support (20) is provided with the bellied first (21) of tube-shape that is linked together with the ventilation chamber, the outer periphery of the bellied first (21) of tube-shape is followed its direction of height range upon range of and is provided with the first (22) of annular step of several, and the diameter from the top down grow one by one of the first (22) of annular step of several.
2. The butterfly valve air tightness detection device according to claim 1, wherein an air vent pipe (60) and an air vent pipe (70) connected with the air vent cavity are arranged on the periphery circle of the lower support (20), and the air vent pipe (60) is provided with an air pressure detection meter (90) through a branch pipe (80).
3. The butterfly valve air tightness detection device according to claim 1, wherein the upper sealing portion (30) comprises a truss (31) erected above the lower support (20), a pressing hydraulic cylinder (32) arranged at the center of the top of a cross beam of the truss (31), and a sealing plate (33) arranged at the bottom of the truss (31) and connected with a driving shaft of the pressing hydraulic cylinder (32), a cylindrical boss two (34) is arranged at the bottom of the sealing plate (33), a plurality of annular steps two (35) are arranged on the outer circumference of the cylindrical boss two (34) in a stacked manner along the height direction, and the diameters of the annular steps two (35) are gradually reduced from top to bottom.
4. The butterfly valve air tightness detection device according to claim 3, wherein a rubber pad layer (23) is attached to the upper surfaces of the first annular steps (22) and the lower surfaces of the second annular steps (35), and the first annular steps (22) and the second annular steps (35) are equidistantly arranged.
5. The butterfly valve air tightness detection device according to claim 1, wherein the center lines of the first cylindrical protrusion (21) and the second cylindrical protrusion (34) are collinear.
6. The butterfly valve air tightness detection device according to claim 1, wherein a supporting leg (40) is arranged around the bottom of the detection table (10), and a brake roller (50) is arranged on each supporting leg (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320604070.2U CN219757653U (en) | 2023-03-24 | 2023-03-24 | Butterfly valve gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320604070.2U CN219757653U (en) | 2023-03-24 | 2023-03-24 | Butterfly valve gas tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219757653U true CN219757653U (en) | 2023-09-26 |
Family
ID=88077150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320604070.2U Active CN219757653U (en) | 2023-03-24 | 2023-03-24 | Butterfly valve gas tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219757653U (en) |
-
2023
- 2023-03-24 CN CN202320604070.2U patent/CN219757653U/en active Active
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