CN217653340U - Device for reducing opening speed of pneumatic valve - Google Patents
Device for reducing opening speed of pneumatic valve Download PDFInfo
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- CN217653340U CN217653340U CN202221198092.5U CN202221198092U CN217653340U CN 217653340 U CN217653340 U CN 217653340U CN 202221198092 U CN202221198092 U CN 202221198092U CN 217653340 U CN217653340 U CN 217653340U
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- air inlet
- pneumatic valve
- speed
- opening
- valve
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Abstract
The utility model relates to the technical field of pneumatic valves, and discloses a device for reducing the opening speed of a pneumatic valve, which comprises a pneumatic valve, an air inlet pipeline and a speed reduction device; the pneumatic valve is connected with an air inlet, and the air inlet is connected with an air inlet joint pipeline; the air inlet pipeline is connected with the air inlet joint pipeline through an air inlet slipknot; the speed reduction device is detachably arranged in the air inlet slipknot, and the air inlet joint pipeline penetrates through the air inlet slipknot and is abutted against the speed reduction device; under the action of the speed reduction device, when the pneumatic valve is opened, the air inlet speed in the air cylinder is reduced, the pressure in the air cylinder is increased and slowed down, and therefore the opening speed of the pneumatic valve is reduced, and finally the pressures in the air cylinder and the air inlet pipeline are balanced, so that the opening or closing of the valve is not influenced; and after the opening speed of the pneumatic valve is reduced, the starting load of the motor is reduced, the water impact of the pipeline is eliminated, and the pipeline and subsequent equipment are protected.
Description
Technical Field
The utility model relates to a pneumatic valve technical field especially relates to a reduce device of pneumatic valve opening speed.
Background
Pneumatic valve is exactly with the help of compressed air driven valve, and many centrifugal pump outlet door designs are pneumatic valve at present, and along with the chain opening of pump start, because pneumatic valve belongs to quick-opening fast-closing valve, opens fast at centrifugal pump start-up valve in the twinkling of an eye, causes outlet pipe water impact, and pipeline vibrations easily cause the damage to follow-up equipment, increases motor start-up moment simultaneously, easily causes the damage to the motor.
Therefore, how to provide a device capable of reducing the opening speed of a pneumatic valve is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a can reduce pneumatic valve and open device of plain to solve current pneumatic valve and open the phenomenon that the speed is too fast causes the damage to follow-up equipment.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a device for reducing the opening speed of a pneumatic valve comprises the pneumatic valve, an air inlet pipeline and a speed reduction device;
the pneumatic valve is connected with an air inlet, and the air inlet is connected with an air inlet joint pipeline; the air inlet pipeline is connected with the air inlet joint pipeline through an air inlet slipknot; the speed reduction device is detachably mounted in the air inlet slipknot, and the air inlet joint pipeline penetrates through the air inlet slipknot and is abutted to the speed reduction device.
Preferably, in the device for reducing the opening speed of the pneumatic valve, the speed reducing device is a gasket, and an air inlet hole is formed in the middle of the gasket.
Preferably, in the device for reducing the opening speed of the pneumatic valve, the outer diameter of the speed reducing device is matched with the inner diameter of the air inlet slip joint, and the diameter of the air inlet hole of the speed reducing device is smaller than the outer diameter of the air inlet joint pipeline.
Preferably, in the device for reducing the opening speed of the pneumatic valve, the air inlet joint pipeline is connected with the air inlet slip joint in a threaded manner, and the outer diameter of the air inlet joint pipeline is matched with the inner diameter of the air inlet slip joint.
Preferably, in the above apparatus for reducing an opening speed of a pneumatic valve, the air inlet includes a first air inlet for controlling the pneumatic valve to open, and a second air inlet for controlling the pneumatic valve to close.
Preferably, in the above device for reducing an opening speed of a pneumatic valve, the speed reducing device is installed between the first intake port and the intake slipknot.
Preferably, in the device for reducing the opening speed of the pneumatic valve, the speed reducing device is made of polytetrafluoroethylene.
Preferably, in the device for reducing the opening speed of the pneumatic valve, a pneumatic valve cylinder is further included, the pneumatic valve cylinder is provided with a valve rod and a valve core, and the valve rod and the valve core are connected with the pneumatic valve and are used for driving the pneumatic valve to open or close.
The utility model provides a reduce pneumatic valve opening speed's device, compare with prior art, its beneficial effect lies in:
under the action of the speed reduction device, when the pneumatic valve is opened, the air inlet speed in the air cylinder is reduced, the pressure in the air cylinder is increased and slowed down, so that the opening speed of the pneumatic valve is reduced, and finally, the pressures in the air cylinder and the air inlet pipeline are balanced, so that the opening or closing of the valve is not influenced; and after the opening speed of the pneumatic valve is reduced, the starting load of the motor is reduced, the water impact of the pipeline is eliminated, and the pipeline and subsequent equipment are protected.
Drawings
Fig. 1 is a side view of an apparatus according to an embodiment of the present invention;
fig. 2 is a front view of an apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a deceleration device according to an embodiment of the present invention;
fig. 4 is a front view of an air inlet slipknot of an embodiment of the present invention.
In the context of the figures, it is,
1 is an air inlet pipeline, 2 is a speed reduction device, 21 is an air inlet, 3 is an air inlet, 31 is a first air inlet, 32 is a second air inlet, 4 is an air inlet slipknot, 5 is a pneumatic valve cylinder, 6 is a valve rod and a valve core, and 7 is an air inlet joint pipeline.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1-4, the embodiment of the present invention provides a device for reducing the opening speed of a pneumatic valve, which includes a pneumatic valve, an air inlet pipe 1, and a speed reduction device 2;
wherein, the pneumatic valve is connected with an air inlet 3, and the air inlet 3 is connected with an air inlet joint pipeline 7; the air inlet pipeline 1 is connected with an air inlet joint pipeline 7 through an air inlet slipknot 4; the speed reduction device 2 is detachably mounted in the air inlet slipknot 4, and the air inlet joint pipeline 7 penetrates through the air inlet slipknot 4 and abuts against the speed reduction device 2.
In some embodiments of the present invention, the speed reduction device 2 is a gasket, and an air inlet 21 is disposed in the middle of the gasket.
In some embodiments of the present invention, the outer diameter of the speed reduction device 2 is matched with the inner diameter of the air inlet slip knot 4, and the diameter of the air inlet hole 21 is smaller than the outer diameter of the air inlet joint pipeline 7.
The utility model discloses some embodiments, air inlet joint pipeline 7 is threaded connection with the connected mode of the slip joint 4 that admits air, the external diameter of the external screw thread of air inlet joint pipeline 7 and the internal diameter phase-match of the internal thread of the slip joint 4 that admits air.
The diameter of the air inlet 21 can be adjusted according to the required opening speed of the pneumatic valve, when the opening speed of the valve needs to be changed, the air inlet shrinkage holes with different inner diameters are replaced, the speed reduction device 2 is fixed in the air inlet slipknot 4, the air inlet joint pipeline 7 is in threaded connection with the air inlet slipknot 4 through rotation and is finally abutted against the speed reduction device 2, and then the diameter of an air inlet channel is reduced, so that the air inlet speed is reduced; because the air inlet speed in the cylinder is reduced, the pressure in the cylinder is increased slowly, and finally the opening speed of the pneumatic valve is reduced.
In some embodiments of the present invention, the air inlet 3 comprises a first air inlet 31 for controlling the opening of the pneumatic valve, and a second air inlet 32 for controlling the closing of the pneumatic valve; since the pressures in the final cylinder and the intake conduit 11 are balanced, the valve opening or closing is not affected.
In some embodiments of the present invention, the speed reduction device 2 is installed between the first air inlet 31 and the air inlet slipknot 4, and the air inlet slipknot 4 is rotatably fixed on the air inlet pipe 1.
In some embodiments of the present invention, the speed reduction device 22 includes but is not limited to teflon, which can effectively avoid gas overflow when reducing the air inlet speed, and the sealing effect is better.
The utility model discloses in some embodiments, still include pneumatic valve cylinder 5, pneumatic valve cylinder 5 is provided with valve rod and case 6, and valve rod and case 6 are connected with pneumatic valve, and through admitting air, the piston drives the rotation of valve rod and case 6, and then is used for driving opening or closing of pneumatic valve.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be considered as the protection scope of the present invention.
Claims (8)
1. A device for reducing the opening speed of a pneumatically actuated valve, comprising:
the pneumatic valve is connected with an air inlet, and the air inlet is connected with an air inlet joint pipeline;
the air inlet pipeline is connected with the air inlet joint pipeline through an air inlet slipknot;
and the speed reduction device is detachably arranged in the air inlet slipknot, and the air inlet joint pipeline penetrates through the air inlet slipknot and is abutted to the speed reduction device.
2. A device for reducing the opening speed of a pneumatically actuated valve as set forth in claim 1, wherein said speed reducing means is a washer having an air inlet opening formed therein.
3. A device for reducing the opening rate of a pneumatically actuated valve as set forth in claim 2, wherein said speed reducer has an outside diameter matching said inside diameter of said intake union, and wherein said diameter of said speed reducer intake port is less than said outside diameter of said intake union conduit.
4. A device for reducing the opening speed of a pneumatic valve as set forth in claim 1, wherein said air inlet fitting conduit is threadably connected to said air inlet union, and wherein said air inlet fitting conduit has an outside diameter matching an inside diameter of said air inlet union.
5. A device for reducing the opening speed of a pneumatically actuated valve as claimed in claim 1, wherein said inlet ports comprise a first inlet port for controlling the opening of said pneumatically actuated valve and a second inlet port for controlling the closing of said pneumatically actuated valve.
6. A device to reduce the opening speed of a pneumatically actuated valve as set forth in claim 5 wherein said speed reduction device is mounted between said first intake port and said intake slipknot.
7. A device for reducing the opening rate of a pneumatically actuated valve as set forth in claim 1, wherein said deceleration device is comprised of teflon.
8. A device for reducing the opening speed of a pneumatic valve according to any one of claims 1 to 7, further comprising a pneumatic valve cylinder provided with a valve stem and a valve plug connected to the pneumatic valve for driving the opening or closing of the pneumatic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221198092.5U CN217653340U (en) | 2022-05-17 | 2022-05-17 | Device for reducing opening speed of pneumatic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221198092.5U CN217653340U (en) | 2022-05-17 | 2022-05-17 | Device for reducing opening speed of pneumatic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217653340U true CN217653340U (en) | 2022-10-25 |
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ID=83663848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221198092.5U Active CN217653340U (en) | 2022-05-17 | 2022-05-17 | Device for reducing opening speed of pneumatic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217653340U (en) |
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2022
- 2022-05-17 CN CN202221198092.5U patent/CN217653340U/en active Active
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