CN219623348U - Pneumatic valve suitable for vibration environment - Google Patents
Pneumatic valve suitable for vibration environment Download PDFInfo
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- CN219623348U CN219623348U CN202320608378.4U CN202320608378U CN219623348U CN 219623348 U CN219623348 U CN 219623348U CN 202320608378 U CN202320608378 U CN 202320608378U CN 219623348 U CN219623348 U CN 219623348U
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- stainless steel
- multiplexer
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Abstract
The utility model discloses a pneumatic valve suitable for a vibration environment, which comprises a valve pneumatic accessory and an execution assembly, wherein all accessories forming the valve pneumatic accessory are respectively fixed in a stainless steel control cabinet, and the accessories are connected through stainless steel hoses; the actuating mechanism is arranged on the outer side of the stainless steel control cabinet and comprises a double-acting cylinder, and two air inlets on the double-acting cylinder are connected with the air outlet end of the valve pneumatic accessory through stainless steel hoses; the air storage tank is arranged at the outer side of the stainless steel control cabinet, and an air outlet of the air storage tank is connected with an air inlet end of the valve pneumatic accessory through a stainless steel hose; the utility model provides a pneumatic valve which can stably operate in a vibration environment.
Description
Technical Field
The utility model belongs to the technical field of pneumatic valves, and particularly relates to a pneumatic valve suitable for a vibration environment.
Background
The pneumatic valve is an actuating element for driving the operating valve by means of compressed air, has relatively high opening and closing speed, is commonly used for quick two-position cutting-off, can also be used for adjusting flow, is mainly operated by an air source, and can be used for controlling gas, liquid, oil products and various corrosive media.
The existing valve pneumatic accessories and the valve actuating mechanism are integrally installed, the valve pneumatic accessories are exposed to the external environment, for the complex control of the gas circuit key valves, the valve accessories and the gas source pipeline connectors are more, the gas circuit control elements and the electronic components are subjected to water seepage corrosion under the condition that the components such as the electromagnetic valve and the positioner are not protected for a long time, the action reliability of the electromagnetic valve and the positioner is seriously affected, and all the gas circuit accessories are safely operated.
Aiming at the condition that the pneumatic accessories of the existing valve and the valve actuating mechanism are integrally installed, when the actuating mechanism vibrates due to the vibration of a process pipeline, components such as an electromagnetic valve, a positioner, an instrument air pipeline and the like which are installed on the upper part can generate high-frequency vibration to cause loosening or clamping sleeve tripping of the pneumatic accessories of the valve at key parts, valve misoperation, fluctuation of the operation of a production device and even stopping are easily caused, and therefore, the pneumatic valve capable of stably operating in a vibration environment is necessary to be developed.
Disclosure of Invention
The utility model aims to provide a pneumatic valve suitable for a vibration environment and provides a pneumatic valve capable of stably operating in the vibration environment.
The technical scheme adopted by the utility model is that the pneumatic valve suitable for the vibration environment comprises an air storage tank and further comprises:
the pneumatic accessories of the valve are respectively fixed in the stainless steel control cabinet, meanwhile, the accessories are connected through stainless steel hoses, the air storage tank is arranged at the outer side of the stainless steel control cabinet, and the air outlet of the air storage tank is connected with the air inlet end of the pneumatic accessories of the valve through the stainless steel hoses;
the actuating mechanism is arranged on the outer side of the stainless steel control cabinet and comprises a double-acting air cylinder, and two air inlets on the double-acting air cylinder are connected with the air outlet end of the valve pneumatic accessory through stainless steel hoses, so that after the air from the air storage tank (10) passes through the valve pneumatic accessory, a large-flow air source can be output to the actuating mechanism to accelerate the quick action of the actuating mechanism.
The pneumatic accessories of the valve comprise a positioner, an electromagnetic valve, a multiplexer, a one-way valve, a four-way joint, a first pneumatic amplifier and a second pneumatic amplifier which are respectively fixed in the stainless steel control cabinet, wherein an A output port of the positioner is connected with an A port of the multiplexer, a B port of the multiplexer is connected with an air inlet of the first pneumatic amplifier, an air outlet of the first pneumatic amplifier is connected with a first valve cavity on the upper side of the double-acting cylinder piston, a B output port of the positioner is connected with a D port of the multiplexer, an E port of the multiplexer is connected with an air inlet of the second pneumatic amplifier, and an air outlet of the second pneumatic amplifier is connected with a second valve cavity on the lower side of the double-acting cylinder piston.
The air outlet end of the air storage tank is respectively connected with the electromagnetic valve and the four-way joint after passing through the one-way valve, the air outlet of the electromagnetic valve is connected with the air source inlet of the multiplexer, one air outlet of the four-way joint is connected with the F-port of the multiplexer, the other air outlet of the four-way joint is respectively connected with the air inlet end pipelines of the first pneumatic amplifier and the second pneumatic amplifier, and the third air outlet of the four-way joint is connected with the double-acting air cylinder.
The positioner, the electromagnetic valve, the multiplexer, the one-way valve, the four-way joint, the first pneumatic amplifier and the second pneumatic amplifier are connected with the stainless steel hose through the clamping sleeve joint.
The stainless steel control cabinet is designed for front and back double doors.
The stainless steel control cabinet is fixed on the equipment frame platform.
The beneficial effects of the utility model are as follows:
the pneumatic valve is characterized in that the pneumatic valve comprises a valve air passage accessory, a valve executing assembly and a valve air passage accessory, wherein the valve executing assembly is connected with the valve air passage accessory through a stainless steel hose and is fixed in the stainless steel control cabinet respectively, and the valve executing assembly is arranged on the outer side of the stainless steel control cabinet.
Drawings
FIG. 1 is a schematic illustration of the structure of a pneumatic valve adapted for use in a vibratory environment in accordance with the present utility model;
FIG. 2 is a schematic illustration of the connection of the pneumatic attachment to the actuator of the valve of the present utility model.
In the figure, a stainless steel control cabinet, a positioner, a solenoid valve, a multiplexer, a check valve, a four-way connector, a first pneumatic amplifier, a second pneumatic amplifier, a lower cylinder, an upper cylinder, a gas storage tank and an equipment frame platform are respectively arranged in the specification, wherein the stainless steel control cabinet, the positioner, the solenoid valve, the multiplexer and the four-way connector are arranged in the specification, and the equipment frame platform is arranged in the specification.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description. The following examples are only for more clearly illustrating the technical solution of the present utility model and are not to be construed as limiting the protection solution of the present utility model.
Example 1
The utility model discloses a pneumatic valve suitable for a vibration environment, which is shown in figures 1-2, and comprises a valve pneumatic accessory execution assembly, wherein all accessories forming the valve pneumatic accessory are respectively fixed in a stainless steel control cabinet 1, and meanwhile, the accessories are connected through stainless steel hoses; the actuating mechanism is arranged outside the stainless steel control cabinet 1 and comprises a double-acting cylinder, and two air inlets on the double-acting cylinder are connected with the air outlet end of the valve pneumatic accessory through a stainless steel hose; the gas storage tank 10 is arranged on the outer side of the stainless steel control cabinet 1, the gas outlet of the gas storage tank 10 is connected with the gas inlet end of the valve pneumatic accessory through a stainless steel hose, and after the gas from the gas storage tank 10 passes through the valve pneumatic accessory, a large-flow gas source can be output to the actuating mechanism to accelerate the quick action of the actuating mechanism.
Further, the stainless steel control cabinet 1 is designed to be a front-back double door, so that the overhaul is convenient, and the stainless steel control cabinet 1 is fixed on the equipment frame platform 11.
Example 2
On the basis of the embodiment 1, further, the valve pneumatic accessory comprises a positioner 2, an electromagnetic valve 3, a multiplexer 4, a one-way valve 5, a four-way joint 6, a first pneumatic amplifier 7-1 and a second pneumatic amplifier 7-2 which are respectively fixed in the stainless steel control cabinet 1, wherein an output port A of the positioner 2 is connected with an output port A of the multiplexer 4, an output port B of the multiplexer 4 is connected with an air inlet of the first pneumatic amplifier 7-1, an air outlet of the first pneumatic amplifier 7-1 is connected with a first valve cavity 9 at the upper side of the double-acting cylinder piston, an output port B of the positioner 2 is connected with an output port D of the multiplexer 4, an output port E of the multiplexer 4 is connected with an air inlet of the second pneumatic amplifier 7-2, and an air outlet of the second pneumatic amplifier 7-2 is connected with a second valve cavity 8 at the lower side of the double-acting cylinder piston.
The air outlet end of the air storage tank 10 is respectively connected with the electromagnetic valve 3 and the four-way joint 6 after passing through the one-way valve 5, the air outlet of the electromagnetic valve 3 is connected with the air source inlet of the multiplexer 4, one air outlet of the four-way joint 6 is connected with the F-port of the multiplexer 4, the other air outlet of the four-way joint 6 is respectively connected with the air inlet end pipelines of the first pneumatic amplifier 7-1 and the second pneumatic amplifier 7-2, and the third air outlet of the four-way joint 6 is connected with the double-acting air cylinder. The positioner 2, the electromagnetic valve 3, the multiplexer 4, the one-way valve 5, the four-way joint 6, the first pneumatic amplifier 7-1 and the second pneumatic amplifier 7-2 are connected with a stainless steel hose through a clamping sleeve joint.
The gas circuit control principle is as follows: for pneumatic regulator valves: in the normal working state of the system, the electromagnetic valve 3 is electrified, when an input 4-20mA control signal is increased, an output port A of the positioner (connected with an output port A of the multiplexer) is increased, the output pressure acts on the first pneumatic amplifier 7-1 through an output port B of the multiplexer and then enters an actuating mechanism cylinder upper cylinder 9, and the actuating mechanism pushes the valve to move downwards and is closed; when the input 4-20mA control signal is reduced, the output pressure of the output port B of the positioner (connected with the output port D of the multiplexer) is increased, the output pressure of the second pneumatic amplifier 7-2 is increased through the output port E of the multiplexer, then gas acts on the lower cylinder 8 of the actuating mechanism cylinder, the actuating mechanism drives the valve to operate upwards, and the opening speed of the valve is faster due to the boosting and amplifying effects of the second pneumatic amplifier 7-2.
When an abnormal condition occurs, the electromagnetic valve 3 is powered off, the electromagnetic valve 3 cuts off the air passage of the multiplexer, so that the air passage is converted, A-B, D-E of the multiplexer is cut off, B-C, E-F of the multiplexer is connected, an air source of the air storage tank acts on the pneumatic amplifier, the pneumatic amplifier is at the maximum circulation capacity, and compressed air of the air storage tank directly enters a lower cavity of an actuating mechanism cylinder; meanwhile, as the B-C is connected, the input end of the first pneumatic amplifier 7-1 is out of pressure, so that the quick exhaust is caused, and the function of quick opening of the valve is realized.
The pneumatic valve suitable for the vibration environment disclosed by the utility model has the advantages that when the whole valve is in the vibration environment, the pneumatic accessory of the valve is integrally fixed on the platform, and key valve misoperation caused by loosening of an air source clamping sleeve and a signal cable terminal due to vibration of a pipeline and an actuating mechanism is avoided; the pneumatic accessories of the valve comprise a positioner, an electromagnetic valve, a multiplexer, a one-way valve, a four-way joint, a first pneumatic amplifier, a second pneumatic amplifier and other control accessories which are all installed and fixed in a stainless steel control cabinet, and are connected to the air passage interface of the valve actuating mechanism through an air source hose, so that the water seepage and corrosion of environmental changes to air passage control elements and electronic components can be effectively reduced, the protection level is improved, and the action reliability and the operation life of the components such as the electromagnetic valve, the positioner and the like are enhanced.
The above embodiments are only preferred embodiments of the present utility model, the protection scope of the present utility model is not limited thereto, and any simple changes or equivalent substitutions of the obtained technical solutions within the technical scope of the present utility model disclosed by the present utility model will be apparent to those skilled in the art.
Claims (6)
1. Pneumatic valve suitable for vibration environment, including gas holder (10), its characterized in that still includes:
the pneumatic accessories of the valve are respectively fixed in a stainless steel control cabinet (1), meanwhile, the accessories are connected through stainless steel hoses, the air storage tank (10) is arranged at the outer side of the stainless steel control cabinet (1), and an air outlet of the air storage tank (10) is connected with an air inlet end of the pneumatic accessories of the valve through the stainless steel hoses;
the actuating mechanism is arranged on the outer side of the stainless steel control cabinet (1), the actuating mechanism comprises a double-acting cylinder, and two air inlets on the double-acting cylinder are connected with the air outlet end of the valve pneumatic accessory through stainless steel hoses, so that the air from the air storage tank (10) passes through the valve pneumatic accessory and can output a large-flow air source to the actuating mechanism so as to accelerate the quick action of the actuating mechanism.
2. A pneumatic valve for use in a vibrating environment according to claim 1, wherein the pneumatic valve attachment comprises a positioner (2), a solenoid valve (3), a multiplexer (4), a one-way valve (5), a four-way connector (6), a first pneumatic amplifier (7-1) and a second pneumatic amplifier (7-2) each fixed inside a stainless steel control cabinet (1), wherein the a outlet of the positioner (2) is connected to the a port of the multiplexer (4), the B port of the multiplexer (4) is connected to the air inlet of the first pneumatic amplifier (7-1), the air outlet of the first pneumatic amplifier (7-1) is connected to a first valve chamber (9) on the upper side of the double acting cylinder piston, the B outlet of the positioner (2) is connected to the D port of the multiplexer (4), the E port of the multiplexer (4) is connected to the air inlet of the second pneumatic amplifier (7-2), and the air outlet of the second pneumatic amplifier (7-2) is connected to the air inlet of the second pneumatic amplifier (7-2).
3. A pneumatic valve suitable for vibration environment according to claim 2, characterized in that the air outlet end of the air storage tank (10) is connected with the electromagnetic valve (3) and the four-way joint (6) respectively after passing through the one-way valve (5), the air outlet of the electromagnetic valve (3) is connected with the air source inlet of the multiplexer (4), one air outlet of the four-way joint (6) is connected with the F-port of the multiplexer (4), the other air outlet of the four-way joint (6) is connected with the air inlet end pipelines of the first pneumatic amplifier (7-1) and the second pneumatic amplifier (7-2) respectively, and the third air outlet of the four-way joint (6) is connected with the double-acting air cylinder.
4. A pneumatic valve adapted for use in a vibrating environment according to claim 2, wherein the positioner (2), solenoid valve (3), multiplexer (4), one-way valve (5), four-way connector (6), first pneumatic amplifier (7-1) and second pneumatic amplifier (7-2) are connected to the stainless steel hose via a ferrule fitting.
5. A pneumatic valve suitable for use in a vibrating environment according to claim 1, wherein the stainless steel control cabinet (1) is of a front-back double door design.
6. A pneumatic valve adapted for use in a vibrating environment according to claim 1, wherein the stainless steel control cabinet (1) is secured to the equipment frame platform (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320608378.4U CN219623348U (en) | 2023-03-25 | 2023-03-25 | Pneumatic valve suitable for vibration environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320608378.4U CN219623348U (en) | 2023-03-25 | 2023-03-25 | Pneumatic valve suitable for vibration environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219623348U true CN219623348U (en) | 2023-09-01 |
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ID=87793209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320608378.4U Active CN219623348U (en) | 2023-03-25 | 2023-03-25 | Pneumatic valve suitable for vibration environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219623348U (en) |
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2023
- 2023-03-25 CN CN202320608378.4U patent/CN219623348U/en active Active
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