CN219177051U - Pneumatic stop valve capable of realizing pipeline sealing switching - Google Patents
Pneumatic stop valve capable of realizing pipeline sealing switching Download PDFInfo
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- CN219177051U CN219177051U CN202223552186.0U CN202223552186U CN219177051U CN 219177051 U CN219177051 U CN 219177051U CN 202223552186 U CN202223552186 U CN 202223552186U CN 219177051 U CN219177051 U CN 219177051U
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Abstract
The utility model provides a pneumatic stop valve that can realize sealed switching of pipeline, including compressing tightly cylinder, the base, the cylinder block, case and the air outlet valve core of admitting air, be equipped with uncovered opening on the terminal surface of cylinder block, compress tightly the cylinder setting in cylinder block (3), the output of compressing tightly the cylinder extends the open mouth of cylinder block, the cylinder block links firmly with the base through the mounting panel, the base is provided with the recess with the output looks adaptation of compressing tightly the cylinder with the relative one end of cylinder block, the terminal surface that the base is relative with the cylinder block and all be equipped with the air vent on the terminal surface towards ground, the air inlet valve core is located on the terminal surface air vent that the base is relative with the cylinder block, the air outlet valve core is located on the terminal surface air vent that the base is towards ground. The utility model has simple structure, can realize zero leakage of sealing gas in the valve in the test process, is extremely convenient to detach, is convenient for device maintenance, and can realize various airtight test pressure requirements by replacing or adjusting the sealing power part.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a pneumatic stop valve capable of realizing pipeline sealing switching.
Background
The airtight test is a very common procedure applied to engine parts, and a special test tool is required in the test, so that the detection of the airtight performance is realized in the control of the test tool. In the use of the test fixture, if the control of the high-pressure gas is directly controlled manually by a valve and the like, the defects of untimely control, imprecise control, incapability of realizing remote control and the like can occur. In the prior art, a pipeline sealing on-off stop valve is often adopted to control high-pressure fluid, and the existing test tool generally adopts an electromagnetic valve in a standard pneumatic element to realize pipeline sealing and on-off functions, so that the following problems often occur in the airtight test process: 1. the electromagnetic valve can have micro leakage phenomenon, which can influence the judgment of the dry airtight test, thereby influencing the accuracy of the test tool; 2. the electromagnetic valve seal is difficult to adapt to various test pressure requirements, and has narrow applicability.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a pneumatic stop valve capable of realizing pipeline sealing switching, which can realize free sealing and switching of pipelines in the testing process of an airtight testing tool of engine parts, thereby solving the problems of micro leakage, low adaptability and the like in pipeline switching sealing.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a pneumatic stop valve that can realize sealed switching of pipeline, includes compresses tightly cylinder, base, cylinder block, inlet spool and air outlet valve core, be equipped with uncovered opening on the terminal surface of cylinder block, compress tightly the cylinder set up in the cylinder block, compress tightly the output of cylinder and extend the open mouth of cylinder block, the cylinder block pass through the mounting panel with the base links firmly, the base with the one end that the cylinder block is relative be provided with the recess of compressing tightly the output looks adaptation of cylinder, the base with all be equipped with the air vent on the terminal surface that the cylinder block is relative and towards ground, the inlet valve core is located the base with on the terminal surface air vent that the cylinder block is relative, the air outlet valve core is located on the terminal surface air vent that the base is towards ground.
Further, an air channel pipeline is arranged in the base and is communicated with the air inlet valve core and the air outlet valve core, an orifice is arranged on the air channel pipeline, and the output end of the compression cylinder is in contact with the orifice of the air channel pipeline.
Further, a reverse sealing gasket is arranged at the joint of the mounting plate and the base.
Further, a plane sealing gasket is arranged at the bottom end of the output end of the compression cylinder, and the plane sealing gasket is in contact with the orifice of the gas path pipeline.
Furthermore, valve nozzles are arranged on the air inlet valve core and the air outlet valve core.
Further, an air charging port is arranged on the air cylinder seat and connected with the input end of the compression air cylinder.
Further, the compressing cylinder comprises a hydraulic cylinder and an electric cylinder.
Further, the planar gasket comprises a soft silica gel gasket.
Compared with the prior art, the utility model has the beneficial effects that: the utility model has the advantages that the sealing effect in the control valve of the compression cylinder is achieved, the structure is simple, zero leakage in the testing process can be realized, the compression cylinder can be replaced or adjusted according to the requirements of different air tightness testing pressures, the applicability of the device is improved, and meanwhile, the convenience in maintenance and disassembly of the device is realized in a mounting plate assembling mode.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of an embodiment of the present utility model;
in the figure: 1. the device comprises a compression cylinder, a base, a cylinder seat, an air inlet valve core, an air outlet valve core, a mounting plate, an air path pipeline, a back sealing gasket, a plane sealing gasket, a valve nozzle and an air charging port.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, this embodiment includes compressing cylinder 1, base 2, cylinder block 3, inlet valve core 4 and air outlet valve core 5, the inside cavity that is equipped with of cylinder block 3, be equipped with uncovered opening on an terminal surface of cylinder block 3, compressing cylinder 1 sets up in the cavity of cylinder block 3 inside, be equipped with inflation inlet 11 on cylinder block 1, inflation inlet 11 is connected with compressing cylinder 1's input, provide power for compressing cylinder 1, and compressing cylinder 1's output extends the uncovered opening of cylinder block 3 terminal surface, the outer arm of compressing cylinder 1's output is laminated to the open mouth laminating of cylinder block 3 terminal surface simultaneously, be provided with the recess of open mouth and inside and compressing cylinder 1's output looks adaptation on the terminal surface that base 2 is relative with cylinder block 3, make cylinder block 3's output axle can extend to in the base 2, and cylinder block 3 links firmly the integral structure frame through mounting panel 6 with base 2, be equipped with the air vent on the terminal surface that base 2 is relative with cylinder block 3, also be equipped with the air vent on the terminal surface that base 2 is facing the ground, inlet valve core 4 sets up in the terminal surface 2 and the air vent on the terminal surface that is relative to cylinder block 3, be equipped with the air vent on the terminal surface that the base 2 is facing towards the air inlet valve core 5 on the base 2, the air outlet valve core 5 is equipped with the air outlet valve core on the base 5. Meanwhile, an air channel pipeline 7 is arranged in the base 2, the air channel pipeline 7 is communicated with the air inlet valve core 4 and the air outlet valve core 5, an orifice is arranged on the air channel pipeline 7, and the output end of the compression cylinder 1 is in contact with the orifice of the air channel pipeline 7 so as to realize sealing switching.
In order to ensure the sealing tightness of the device, a reverse sealing gasket 8 is arranged at the joint of the mounting plate 6 and the base 2, a plane sealing gasket 9 made of soft silica gel is arranged at the bottom end of the output end of the compression cylinder 1, and the plane sealing gasket 9 is in contact with the orifice of the air path pipeline 7.
Working principle: when the pneumatic stop valve is in an open and open state, air is normally circulated through the air inlet valve core 4, after a system sends a closing instruction, the compression cylinder 1 compresses the plane sealing gasket 9 on the surface of the orifice of the air channel pipeline 7 in the base 2, sealing switching can be achieved, air circulation of the air channel pipeline 7 is cut off, the pneumatic stop valve of the linear reciprocating mechanism is subjected to simple and ingenious structural design by adopting an aerodynamic combination principle, new breakthrough of the pneumatic stop valve in flow control is achieved, when different pipeline circulating pressures are required to be sealed, different requirements on sealing performance in different pipeline circulating pressure environments can be met by adjusting the pressure and the cylinder diameter of the compression cylinder 1, and it is required to be noted that the compression cylinder 1 in the embodiment is a hydraulic cylinder, cylinders with different specifications can be adopted according to actual requirements, hydraulic and electric elements can be adopted in special places, the air outlet valve core 5 on the base 2 can be provided with different air guide holes according to the actual requirements, multi-channel switching can be achieved, and when the plane sealing gasket 9 is damaged, the compression cylinder 1 can be replaced through direct integral disassembly.
Claims (8)
1. The utility model provides a pneumatic stop valve that can realize sealed switching of pipeline, its characterized in that, including compressing tightly cylinder (1), base (2), cylinder block (3), case (4) and air outlet valve core (5) of admitting air, be equipped with uncovered on the terminal surface of cylinder block (3), compress tightly cylinder (1) set up in cylinder block (3), the output of compressing tightly cylinder (1) extends the open mouth of cylinder block (3), cylinder block (3) pass through mounting panel (6) with base (2) link firmly, base (2) with the one end that cylinder block (3) are relative be provided with the recess of compressing tightly the output looks adaptation of cylinder (1), base (2) with all be equipped with the air guide hole on the terminal surface that cylinder block (3) are relative and the terminal surface towards ground, air inlet valve core (4) are located base (2) with on the terminal surface air guide hole that cylinder block (3) are relative, air outlet valve core (5) are located on the terminal surface (2) towards ground.
2. The pneumatic stop valve according to claim 1, wherein a gas channel pipeline (7) is arranged in the base (2), the gas channel pipeline (7) is communicated with the gas inlet valve core (4) and the gas outlet valve core (5), an orifice is arranged on the gas channel pipeline (7), and the output end of the compression cylinder (1) is in contact with the orifice of the gas channel pipeline (7).
3. Pneumatic shut-off valve according to claim 2, characterized in that the mounting plate (6) is provided with a back-face seal (8) at the junction with the base (2).
4. A pneumatic shut-off valve according to claim 3, characterised in that the bottom end of the output end of the compacting cylinder (1) is provided with a planar gasket (9), the planar gasket (9) being in contact with the orifice of the gas circuit conduit (7).
5. Pneumatic shut-off valve according to claim 4, characterized in that the inlet valve core (4) and the outlet valve core (5) are provided with valve mouths (10).
6. Pneumatic stop valve according to claim 5, characterized in that the cylinder block (3) is provided with an inflation inlet (11), said inflation inlet (11) being connected to the input of the compacting cylinder (1).
7. Pneumatic shut-off valve according to claim 6, characterized in that the hold-down cylinder (1) comprises a hydraulic cylinder, an electric cylinder.
8. Pneumatic shut-off valve according to claim 7, characterized in that the planar seal (9) comprises a soft silica gel seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223552186.0U CN219177051U (en) | 2022-12-22 | 2022-12-22 | Pneumatic stop valve capable of realizing pipeline sealing switching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223552186.0U CN219177051U (en) | 2022-12-22 | 2022-12-22 | Pneumatic stop valve capable of realizing pipeline sealing switching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219177051U true CN219177051U (en) | 2023-06-13 |
Family
ID=86664033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223552186.0U Active CN219177051U (en) | 2022-12-22 | 2022-12-22 | Pneumatic stop valve capable of realizing pipeline sealing switching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219177051U (en) |
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2022
- 2022-12-22 CN CN202223552186.0U patent/CN219177051U/en active Active
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