CN221374572U - Pivot valve special for test equipment - Google Patents
Pivot valve special for test equipment Download PDFInfo
- Publication number
- CN221374572U CN221374572U CN202323496932.3U CN202323496932U CN221374572U CN 221374572 U CN221374572 U CN 221374572U CN 202323496932 U CN202323496932 U CN 202323496932U CN 221374572 U CN221374572 U CN 221374572U
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- Prior art keywords
- sealing
- valve
- test equipment
- equipment according
- corrugated pipe
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- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 82
- 239000000463 material Substances 0.000 claims description 9
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- 239000010937 tungsten Substances 0.000 claims description 5
- 230000004044 response Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 238000009776 industrial production Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a special pivot valve for test equipment, which relates to the technical field of valves and comprises a valve body, wherein power parts are arranged on two sides of the valve body, sealing channels which are distributed correspondingly left and right are arranged in the valve body, connecting channels are connected between the sealing channels which are arranged correspondingly, and a sealing corrugated pipe is arranged in the sealing channels in a sliding manner.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a special pivot valve for test equipment.
Background
In the field of test equipment, the existing pressure maintaining or pressure releasing valve basically uses a manual needle valve, a hydraulic valve, an electric ball valve, an electric needle valve, an electromagnetic valve, a pneumatic ball valve and the like as pressure maintaining and pressure releasing functions in the valve test process.
Electromagnetic valve: the valve has the advantages of quick opening and closing response, small flow passage opening, use on installation equipment and existence of scrap iron or other impurities in an inner cavity of the valve during testing. The sealing surface of the pilot electromagnetic valve can be scratched after the pilot electromagnetic valve is used for a period of time, so that the valve is leaked, and the electromagnetic needle valve is small in a flow passage opening, so that impurities are slowly deposited in the battery needle valve to block the flow passage opening.
Electric ball valve: the opening and closing response speed is slow (about 5S), the flow passage opening is large, the material of the inner valve seat is polytetrafluoroethylene, and the sealing surface is scratched by impurities in the use process, so that the valve is leaked;
Pneumatic ball valve: the opening and closing response speed is high, the flow passage opening is large, the material of the inner valve seat is polytetrafluoroethylene, and the sealing surface is scratched by impurities in the use process, so that the valve is leaked;
electric needle valve: the opening and closing response speed is too slow (about 30S), and the sealing performance is good, but the efficiency is too low in industrial production;
The main defects are as follows: in normal industrial production, the requirement on the environment is high, if a certain amount of impurities exist in a medium in a flow channel, the sealing surface of the valve is scratched, and micro leakage is generated, so that the valve needs to be replaced in sequence in two to three months under the condition that the sealing effect is ensured in place, and the service life is lower and the cost is higher.
Disclosure of utility model
The utility model aims to solve the technical problems of short service life and gradual decline of tightness of the existing automatic control valve in the market under the environment of industrial production.
The utility model is realized by the following technical scheme.
The utility model discloses a special pivot valve for test equipment, which comprises a valve body, wherein power parts are arranged on two sides of the valve body, sealing channels which are distributed correspondingly left and right are arranged in the valve body, connecting channels are connected between the sealing channels which are arranged correspondingly, and corrugated pipes for sealing are arranged in the sealing channels in a sliding manner.
Further, mounting plates are arranged at two ends of the valve body, the mounting plates correspond to power parts at two sides of the valve body, and a connecting rod for fixed connection is arranged between the power parts and the mounting plates.
Further, the power component is connected with the corrugated pipe and used for pushing the corrugated pipe.
Further, the power component includes a cylinder.
Further, the sealing channel is provided with a sealing extension port, and the connecting channel is provided with a connecting extension port.
Further, a sealing piece is arranged at the inner side end part of the corrugated pipe, and the sealing piece is of a hard sealing structure or a soft sealing structure.
Further, the hard sealing structure is characterized in that a ball body is fixedly arranged at the end part of the corrugated pipe.
Further, the sphere is a tungsten steel ball.
Further, the soft sealing structure is characterized in that a conical part is sleeved at the end part of the corrugated pipe.
Further, the cone is made of polytetrafluoroethylene material.
Further, the ends of the corrugated pipes which are correspondingly distributed on two sides can be respectively provided with a hard sealing structure or a soft sealing structure, and can be uniformly arranged, and the corrugated pipes are correspondingly arranged according to working condition requirements.
Furthermore, the tungsten steel ball and polytetrafluoroethylene material used for the hard sealing structure and the soft sealing structure are determined by various material experiments, so that the service life can be prolonged to the maximum extent.
The utility model has the beneficial effects that: the utility model uses a mode of combining soft sealing and hard sealing to seal, the double-acting sealing surface ensures the sealing performance of a product, adopts corrugated pipe sealing, has good sealing performance and long service life, ensures that the sealing effect can reach 0 leakage under the condition of high pressure, can reduce the connection point of a test pressure maintaining end, reduce the leakage point of the pressure maintaining end, realize multi-channel design and integrated control in the valve body, realize multi-directional reversing of medium in a pipeline, and has high response speed by using a cylinder for driving a driving device.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a longitudinal section view of an embodiment of the present utility model;
fig. 3 is a cross-sectional view of an embodiment of the present utility model.
Detailed Description
The utility model will now be described in detail with reference to fig. 1-3, wherein for convenience of description the orientations described below are now defined as follows: the vertical, horizontal, front-rear directions described below are identical to the vertical, horizontal, front-rear directions of the projection relationship of fig. 1 itself.
The special pivot valve for the test equipment comprises a valve body 01, wherein power components 02 are arranged on two sides of the valve body 01, sealing channels 05 which are distributed correspondingly left and right are arranged in the valve body 01, connecting channels 06 are connected between the sealing channels 05 which are arranged correspondingly, and corrugated pipes 08 used for sealing are arranged in the sealing channels 05 in a sliding mode.
The two ends of the valve body 01 are provided with mounting plates 04, the mounting plates 04 correspond to power components 02 on two sides of the valve body, and a connecting rod 03 used for fixed connection is arranged between the power components 02 and the mounting plates 04.
The power component 02 is connected with the corrugated pipe 08, the power component 02 comprises an air cylinder, the power component 02 is driven by the air cylinder or a motor, the response speed is high, the power component 02 is used for pushing the corrugated pipe 08 to move, and the power component 02 is controlled to move in the sealing channel 05 to complete the adjustment of the working state of full sealing or partial sealing or communication.
The corrugated pipe is adopted for sealing, so that the sealing performance is good and the service life is long.
The sealing channel 05 is provided with a sealing extension port 10, the connecting channel 06 is provided with a connecting extension port 07, the sealing extension port 10 and the connecting extension port 07 are respectively connected with different external pipelines, when the corrugated pipe 08 does not cross the sealing extension port 10, the external pipelines of the sealing channel 05 and the sealing channel 05 are communicated with the external pipelines of the connecting channel 06 and the connecting channel 06, and when the corrugated pipe 08 moves to cross the sealing extension port 10, the external pipelines of the sealing channel 05 and the sealing channel 05 are separated from the external pipelines of the connecting channel 06 and are not communicated.
The opening orientations of the connecting extension port 07 and the sealing extension port 10 are not limited, and can be changed according to working condition requirements.
The multi-channel design in the valve body is integrated with control to realize multi-directional reversing of the medium in the pipeline.
The inner side end of the corrugated pipe 08 is provided with a sealing element 09, the sealing element 09 is a hard sealing structure 91 or a soft sealing structure 92, the two sides of the sealing element 09 are correspondingly distributed, the end of the corrugated pipe 08 can be respectively provided with the hard sealing structure 91 or the soft sealing structure 92, and the sealing element 09 can be uniformly arranged and correspondingly arranged according to working condition requirements.
The hard sealing structure 91 is a ball fixed at the end of the bellows 08, and the ball is selected as tungsten steel ball.
The soft sealing structure 92 is formed by sleeving a conical piece on the end part of the corrugated pipe 08, and the conical piece is made of polytetrafluoroethylene materials.
The tungsten steel ball and polytetrafluoroethylene material used for the hard sealing structure 91 and the soft sealing structure 92 are tested by various materials, so that the service life of the sealing performance of the valve can be greatly prolonged.
The sealing is carried out by combining soft sealing and hard sealing, and the sealing performance of the product is ensured by the double-acting sealing surface.
The above embodiments are only for illustrating 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 implement it without limiting the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (10)
1. The utility model provides a special pivot valve of test equipment which characterized in that: the novel valve comprises a valve body (01), power components (02) are arranged on two sides of the valve body (01), sealing channels (05) which are distributed correspondingly left and right are arranged in the valve body (01), connecting channels (06) are connected between the sealing channels (05) which are arranged correspondingly, and corrugated pipes (08) used for sealing are arranged in the sealing channels (05) in a sliding mode.
2. A special junction valve for test equipment according to claim 1, wherein: mounting plates (04) are arranged at two ends of the valve body (01), the mounting plates (04) correspond to power components (02) at two sides of the valve body, and a connecting rod (03) for fixed connection is arranged between the power components (02) and the mounting plates (04).
3. A special junction valve for test equipment according to claim 1, wherein: the power component (02) is connected with the corrugated pipe (08) and is used for pushing the corrugated pipe (08).
4. A testing device-specific pivot valve according to claim 3, wherein: the power component (02) comprises a cylinder.
5. A special junction valve for test equipment according to claim 1, wherein: the sealing channel (05) is provided with a sealing extension port (10), and the connecting channel (06) is provided with a connecting extension port (07).
6. A special junction valve for test equipment according to claim 1, wherein: the inner side end part of the corrugated pipe (08) is provided with a sealing piece (09), and the sealing piece (09) is of a hard sealing structure (91) or a soft sealing structure (92).
7. The special junction valve for test equipment according to claim 6, wherein: the hard sealing structure (91) is formed by fixedly arranging a sphere at the end part of the corrugated pipe (08).
8. The special junction valve for test equipment according to claim 7, wherein: the sphere is a tungsten steel sphere.
9. The special junction valve for test equipment according to claim 6, wherein: the soft sealing structure (92) is formed by sleeving a conical part on the end part of the corrugated pipe (08).
10. The special junction valve for test equipment according to claim 9, wherein: the conical piece is made of polytetrafluoroethylene materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323496932.3U CN221374572U (en) | 2023-12-21 | 2023-12-21 | Pivot valve special for test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323496932.3U CN221374572U (en) | 2023-12-21 | 2023-12-21 | Pivot valve special for test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221374572U true CN221374572U (en) | 2024-07-19 |
Family
ID=91891943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323496932.3U Active CN221374572U (en) | 2023-12-21 | 2023-12-21 | Pivot valve special for test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221374572U (en) |
-
2023
- 2023-12-21 CN CN202323496932.3U patent/CN221374572U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |