CN113187905B - Pneumatic stop valve and using method thereof - Google Patents
Pneumatic stop valve and using method thereof Download PDFInfo
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- CN113187905B CN113187905B CN202110589083.2A CN202110589083A CN113187905B CN 113187905 B CN113187905 B CN 113187905B CN 202110589083 A CN202110589083 A CN 202110589083A CN 113187905 B CN113187905 B CN 113187905B
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- pipe
- pressure regulating
- water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a pneumatic stop valve, which comprises a water outlet pipe, wherein a water inlet pipe is installed at one end of the top surface of the water outlet pipe, a connecting flange is installed at one end of the top surface of the water inlet pipe, two pressure regulating pipes are installed at one side of the top surface of the connecting flange, a moving and rotating plate is installed at the middle of the front surface of the pressure regulating pipes, a valve rod penetrating through the top surface and the bottom surface of the connecting flange is installed at the middle of the top surface of the connecting flange, a line pipe is installed at the other side of the top surface of the connecting flange, a pneumatic case is installed at the top surfaces of the pressure regulating pipes and the line pipe, the valve rod penetrates through the top surface and the bottom surface of the pneumatic case, and a valve body flowmeter is installed at the middle of the front surface of the pneumatic case; the invention has better water flow stopping capability, has two operation modes of manual operation and starting operation to cut off the water flow, can adjust the pressure of the pneumatic motor to avoid the pneumatic motor from being damaged, and can detect the pressure and count the flow of the flowing water flow.
Description
Technical Field
The invention relates to the field of pneumatic stop valves, in particular to a pneumatic stop valve and a using method thereof.
Background
The stop valve belongs to a forced sealing type valve, the medium flow direction of the stop valve is changed to enter the valve cavity from the upper part of the valve clack, at the moment, the force for closing the valve is small under the action of medium pressure, the force for opening the valve is large, the diameter of the valve rod can be correspondingly reduced, meanwhile, the valve in the form is tight under the action of the medium, and the pneumatic stop valve can effectively cut off water flow.
The existing pneumatic stop valve has certain defects when in use, and the existing pneumatic stop valve cannot regulate the pressure of a pneumatic motor when in use, so that the pneumatic motor is easily damaged; when the existing pneumatic stop valve is used, the existing pneumatic stop valve is not provided with a manual and pneumatic integrated stop valve, so that the use of the stop valve is more unitary; when the existing pneumatic stop valve is used, the existing pneumatic stop valve does not have the function of flow monitoring, can not detect water pressure, can not adjust the stop valve in time, and brings certain influence on actual use.
Disclosure of Invention
The invention aims to provide a pneumatic stop valve and a using method thereof, and solves the problems that the existing pneumatic stop valve cannot regulate the pressure of a pneumatic motor and is easy to damage the pneumatic motor when in use; when the existing pneumatic stop valve is used, the existing pneumatic stop valve is not provided with a manual and pneumatic integrated stop valve, so that the use of the stop valve is more unitary; when the existing pneumatic stop valve is used, the existing pneumatic stop valve does not have the function of flow monitoring, cannot detect water pressure, and cannot timely adjust the technical problem of the work of the stop valve.
The purpose of the invention can be realized by the following technical scheme:
a pneumatic stop valve comprises a water outlet pipe, wherein a water inlet pipe is installed at one end, close to one end, of the top surface of the water outlet pipe, a connecting flange is installed at one end, close to one side, of the top surface of the connecting flange, two pressure regulating pipes are installed at one side, close to the middle, of the front surface of each pressure regulating pipe, a moving plate is installed at the middle, a valve rod penetrating through the top surface and the bottom surface of each connecting flange is installed at the top surface of the connecting flange, a line pipe is installed at the other side, pneumatic machine boxes are installed at the top surfaces of the pressure regulating pipes and the line pipe, the valve rod penetrates through the top surface and the bottom surface of each pneumatic machine box, a valve body flowmeter is installed at the middle, close to the middle, of the front surface of each pneumatic machine box, and a stop flat wheel located right above the pneumatic machine boxes is installed at the periphery of the valve rod, close to the top surface;
the top surface of the inner wall of the water inlet pipe is provided with a flow sensing plate near one end, the interior of the pressure regulating pipe is provided with an air leakage groove which penetrates through the inner wall and the front surface of the pressure regulating pipe near the middle, the bottom end of the valve rod is provided with a valve ball positioned in the water inlet pipe, the bottom end of the valve ball is provided with a valve plate, the interior of the line pipe is provided with a transmission line connected with the flow sensing plate, and the interior of the pneumatic case is provided with a pneumatic pump connected with the pressure regulating pipe near the middle;
the front of moving the board leans on one end to install the pressure regulating dish that runs through the front and the back of moving the board, the back mounted of pressure regulating dish has the rubber pad, the back of pressure regulating dish leans on the middle sealed axle of installing the front and the back that run through the rubber pad, sealed axle's periphery leans on the rear end to install the sealed rubber arc and fills up, sealed axle all is located the gas release inslot with sealed rubber arc pad, the data circuit board who is connected with transmission line is installed to valve body flowmeter's inside back face, the positive top of data circuit board is leaned on and is installed the positive flow display screen that runs through valve body flowmeter.
As a further scheme of the invention, the valve rod penetrates through the top surface and the bottom surface of the pneumatic pump, the valve rod and the pneumatic pump are arranged in a vertically movable mode, the valve plate and the inner wall of the water inlet pipe are arranged in a separable mode, and the water outlet pipe is communicated with the water inlet pipe.
As a further scheme of the invention, the periphery of the sealing shaft is provided with threads, the wall of the gas release groove is provided with threads, the sealing shaft and the gas release groove are in threaded rotation and can be separated, and the moving plate and the sealing shaft are both in rotatable arrangement with the pressure regulating pipe.
As a further scheme of the invention, the data circuit board is composed of an integrated circuit and a data processing chip, the data circuit board is used for processing data detected by the flow sensing board, the flow sensing board is used for detecting the flow and the water flow pressure of water, and the data circuit board is connected with the pneumatic chassis through a line.
As a further aspect of the present invention, a connecting rod is installed near both sides of the inner circumference of the cutoff flat wheel, a telescopic rod penetrating the side surface of the connecting rod is installed inside the connecting rod, the telescopic rod penetrates the side surface of the valve rod, and a bolt penetrating the back surface and the inner wall of the connecting rod and the back surface of the telescopic rod is installed near one end of the back surface of the connecting rod.
As a further scheme of the invention, the telescopic rod and the connecting rod are arranged in parallel, the telescopic rod and the connecting rod are arranged in a telescopic manner, the telescopic rod and the valve rod are arranged in a separable manner, and the bolt is respectively arranged in a threaded rotation separable manner with the connecting rod and the telescopic rod.
The use method of the pneumatic stop valve with the protective structure comprises the following specific use steps:
the method comprises the following steps: the pneumatic stop valve is installed between water pipes and is connected with the water pipes through a water outlet pipe, a moving plate is rotated on a pressure regulating pipe and drives a sealing shaft to rotate in a gas release groove through a pressure regulating disc, so that a rubber pad is separated from the pressure regulating pipe, a sealing rubber arc pad is separated from the back of the gas release groove, the pressure of a pneumatic pump machine is released, after the pressure of the pneumatic pump machine is regulated, the sealing shaft is rotated to the inside of the pressure regulating pipe, the sealing shaft seals the gas release groove, the pneumatic pump machine is started to drive a valve rod to move upwards, the valve rod drives a valve ball and a penetrating part of the valve plate, the water inlet pipe and the water outlet pipe to be separated, and water flows from the water inlet pipe to the water pipes through the water outlet pipe;
step two: when rivers are through flow induction board, flow and the rivers pressure of flow induction board water are monitored, transmission line through the circuit pipe is with data transmission to the data circuit board on, the data circuit board handles the data that flow induction board detected, demonstrate on the flow display screen after accomplishing data processing, when unusual fluctuation appears in rivers pressure, the data circuit board carries out the linkage adjustment to pneumatic pump machine through the circuit, the position of adjustment valve ball and valve plate in the inlet pipe, the flow of control water, when pneumatic pump machine was not accurate enough to the adjustment of valve ball and valve plate, pull out the telescopic link from the connecting rod, make the telescopic link insert in the valve rod, it makes the bolt insert in the telescopic link to rotate the bolt on the connecting rod, make connecting rod and telescopic link be connected, it reciprocates to rotate the valve rod by the flat wheel, thereby drive valve ball and the position of valve plate in the inlet pipe, the flow of water is adjusted.
The invention has the beneficial effects that:
1. according to the pneumatic stop valve, the moving plate rotates on the pressure regulating pipe, the moving plate drives the sealing shaft to rotate in the air release groove through the pressure regulating plate, so that the rubber gasket is separated from the pressure regulating pipe, the sealing rubber arc gasket is separated from the back of the air release groove, the pressure of the pneumatic pump machine is released, the pneumatic stop valve has the capability of adjusting the pressure of the pneumatic pump machine, and the pneumatic pump machine can be ensured to run more stably;
2. the telescopic rod is pulled out of the connecting rod, the telescopic rod is inserted into the valve rod, the bolt is rotated on the connecting rod to be inserted into the telescopic rod, the connecting rod is connected with the telescopic rod, the stop flat wheel is rotated to vertically move the valve rod, the pneumatic stop valve has the capacity of pneumatically and manually adjusting the water flow, and the water flow can be more accurately adjusted;
3. monitor the flow and the rivers pressure of water through the flow induction board, the transmission line in the circuit pipe is with data transmission to data circuit board on, data circuit board handles the data that flow induction board detected, when unusual fluctuation appears in rivers pressure, data circuit board carries out the linkage adjustment to pneumatic pump machine through the circuit, adjust the flow of water in the inlet pipe, make pneumatic stop valve possess the flow that detects water and rivers pressure's ability, it is more accurate directly perceived to the data assurance of rivers, can be better adjust rivers.
4. According to the invention, the pressure regulating pipe is arranged on the pneumatic stop valve to regulate the pressure of the pneumatic pump, so that the pneumatic pump can operate more stably, the valve body flowmeter is arranged to detect the flow rate and the pressure of water, the data of water flow is more accurately and visually grasped, the water flow can be better regulated, the valve rod is moved up and down through the stop flat wheel, the pneumatic stop valve has the capacity of pneumatically and manually regulating the flow rate of water, and the flow rate of water can be more accurately regulated.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a pneumatic stop valve and its method of use according to the present invention;
FIG. 2 is an overall front cross-sectional view of a pneumatic shut-off valve and method of use thereof according to the present invention;
FIG. 3 is a top view of a transfer plate assembly of a pneumatic stop valve and method of using the same of the present invention;
FIG. 4 is a side cross-sectional view of a pneumatic stop valve and its components of a pneumatic housing and valve body flow meter in a method of using the pneumatic stop valve of the present invention;
FIG. 5 is a top view of a pneumatic stop valve and its components in a method of using the pneumatic stop valve of the present invention.
In the figure: 1. a water outlet pipe; 2. a water inlet pipe; 3. a connecting flange; 4. a pressure regulating pipe; 5. a transfer plate; 6. a valve stem; 7. a line pipe; 8. a pneumatic chassis; 9. a valve body flow meter; 10. a cut-off flat wheel; 11. a flow sensing plate; 12. a gas discharge groove; 13. a valve ball; 14. a valve plate; 15. a transmission line; 16. a pneumatic pump; 17. a pressure regulating disc; 18. a rubber pad; 19. a seal shaft; 20. sealing the rubber arc gasket; 21. a data circuit board; 22. a flow display screen; 23. a connecting rod; 24. a telescopic rod; 25. and (4) bolts.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a pneumatic stop valve includes a water outlet pipe 1, a water inlet pipe 2 is mounted near one end of the top surface of the water outlet pipe 1, a connecting flange 3 is mounted near one end of the top surface of the water inlet pipe 2, two pressure regulating pipes 4 are mounted near one side of the top surface of the connecting flange 3, a transfer plate 5 is mounted near the middle of the front surface of the pressure regulating pipes 4, a valve rod 6 penetrating through the top surface and the bottom surface of the connecting flange 3 is mounted near the middle of the top surface of the connecting flange 3, a line pipe 7 is mounted near the other side of the top surface of the connecting flange 3, a pneumatic case 8 is mounted on the top surfaces of the pressure regulating pipes 4 and the line pipe 7, the valve rod 6 penetrates through the top surface and the bottom surface of the pneumatic case 8, a valve body flowmeter 9 is mounted near the middle of the front surface of the pneumatic case 8, and a stop flat wheel 10 located right above the pneumatic case 8 is mounted near the top surface of the periphery of the valve rod 6;
a flow sensing plate 11 is arranged on the top surface of the inner wall of the water inlet pipe 2 close to one end, a gas release groove 12 penetrating through the inner wall and the front surface of the pressure regulating pipe 4 is formed in the pressure regulating pipe 4 close to the middle, a valve ball 13 positioned in the water inlet pipe 2 is arranged at the bottom end of the valve rod 6, a valve plate 14 is arranged at the bottom end of the valve ball 13, a transmission line 15 connected with the flow sensing plate 11 is arranged in the line pipe 7, and a pneumatic pump 16 connected with the pressure regulating pipe 4 is arranged in the pneumatic case 8 close to the middle;
the front side of the moving plate 5 is provided with a pressure regulating disc 17 which runs through the front side and the back side of the moving plate 5, the back side of the pressure regulating disc 17 is provided with a rubber pad 18, the back side of the pressure regulating disc 17 is provided with a sealing shaft 19 which runs through the front side and the back side of the rubber pad 18 in the middle, the periphery of the sealing shaft 19 is provided with a sealing rubber arc pad 20 in the back end, the sealing shaft 19 and the sealing rubber arc pad 20 are both positioned in the air release groove 12, the internal back surface of the valve body flowmeter 9 is provided with a data circuit board 21 which is connected with the transmission line 15, and the front side of the data circuit board 21 is provided with a flow display screen 22 which runs through the front side of the valve body flowmeter 9 in the top end.
The valve rod 6 penetrates through the top surface and the bottom surface of the pneumatic pump 16, the valve rod 6 and the pneumatic pump 16 can move up and down, the valve plate 14 and the inner wall of the water inlet pipe 2 can be arranged in a separating mode, the water outlet pipe 1 and the water inlet pipe 2 are arranged in a penetrating mode, and the valve ball 13 and the valve plate 14 are adjusted through the valve rod 6, so that the water circulation quantity is adjusted.
The periphery of the sealing shaft 19 is provided with threads, the groove wall of the air leakage groove 12 is provided with threads, the sealing shaft 19 and the air leakage groove 12 are in threaded rotation and separable arrangement, and the moving plate 5 and the sealing shaft 19 are both in rotatable arrangement with the pressure regulating pipe 4.
The data circuit board 21 is composed of an integrated circuit and a data processing chip, the data circuit board 21 is used for processing data detected by the flow sensing board 11, the flow sensing board 11 is used for detecting the flow and the water flow pressure of water, the data circuit board 21 is connected with the pneumatic case 8 through a line, and the pneumatic stop valve can be adjusted in time.
The inner circumference of the stop flat wheel 10 is provided with a connecting rod 23 close to both sides, an expansion link 24 penetrating through the side surface of the connecting rod 23 is arranged in the connecting rod 23, the expansion link 24 penetrates through the side surface of the valve rod 6, and a bolt 25 penetrating through the back surface and the inner wall of the connecting rod 23 and the back surface of the expansion link 24 is arranged close to one end of the back surface of the connecting rod 23.
A use method of a pneumatic stop valve with a protective structure comprises the following specific use steps:
the method comprises the following steps: the pneumatic stop valve is installed between water delivery pipes, the pneumatic stop valve is connected with the water delivery pipes through a water outlet pipe 1 and a water inlet pipe 2, a moving plate 5 is rotated on a pressure regulating pipe 4, the moving plate 5 drives a sealing shaft 19 to rotate in a gas release groove 12 through a pressure regulating disc 17, a rubber gasket 18 is separated from the pressure regulating pipe 4, a sealing rubber arc gasket 20 is separated from the back of the gas release groove 12, the pressure of a pneumatic pump machine 16 is released, after the pressure of the pneumatic pump machine 16 is regulated, the sealing shaft 19 is rotated to the inside of the pressure regulating pipe 4, the sealing shaft 19 seals the gas release groove 12, the pneumatic pump machine 16 is started to drive a valve rod 6 to move upwards, the valve rod 6 drives a valve ball 13 and the valve plate 14 to be separated from the through positions of the water inlet pipe 2 and the water outlet pipe 1, and water flow from the water inlet pipe 2 through the water outlet pipe 1 in the water delivery pipe;
step two: when water flows through the flow sensing plate 11, the model of the flow sensing plate 11 is DN15-50, the flow sensing plate 11 monitors the flow of water and the pressure of the water flow, data are transmitted to the data circuit board 21 through the transmission line 15 in the line pipe 7, the model of the data circuit board 21 is DIP, the data circuit board 21 processes the data detected by the flow sensing plate 11, the data are displayed on the flow display screen 22 after the data are processed, when abnormal fluctuation of the pressure of the water flow occurs, the data circuit board 21 performs linkage adjustment on the pneumatic pump 16 through lines, the positions of the valve ball 13 and the valve plate 14 in the water inlet pipe 2 are adjusted, the flow of the water is controlled, when the adjustment of the valve ball 13 and the valve plate 14 by the pneumatic pump 16 is not accurate enough, the telescopic rod 24 is pulled out of the connecting rod 23, the telescopic rod 24 is inserted into the valve rod 6, the bolt 25 is rotated on the connecting rod 23 to insert the bolt 25 into the telescopic rod 24, the connecting rod 23 is connected with the telescopic rod 24, the valve rod 6 is rotated by the flat wheel 10 to move up and down the valve ball 13 and the valve plate 14 is driven to move up and down in the position of the water inlet pipe 2, and the flow of the water is performed.
According to the pneumatic stop valve, the moving plate 5 is rotated on the pressure regulating pipe 4, the moving plate 5 drives the sealing shaft 19 to rotate in the air release groove 12 through the pressure regulating plate 17, so that the rubber gasket 18 is separated from the pressure regulating pipe 4, the sealing rubber arc gasket 20 is separated from the back of the air release groove 12, the pressure of the pneumatic pump 16 is released, the pneumatic stop valve has the capability of adjusting the pressure of the pneumatic pump 16, and the pneumatic pump 16 can run more stably; the expansion link 24 is pulled out from the connecting rod 23, the expansion link 24 is inserted into the valve rod 6, the bolt 25 is rotated on the connecting rod 23, the bolt 25 is inserted into the expansion link 24, the connecting rod 23 is connected with the expansion link 24, and the stop flat wheel 10 is rotated to vertically move the valve rod 6, so that the pneumatic stop valve has the capacity of pneumatically and manually adjusting the water flow, and the water flow can be more accurately adjusted; monitor the flow and the rivers pressure of water through flow induction board 11, transmission line 15 in the circuit pipe 7 is with data transmission to data circuit board 21 on, data circuit board 21 handles the data that flow induction board 11 detected, when unusual fluctuation appears in rivers pressure, data circuit board 21 carries out the linkage adjustment to pneumatic pump machine 16 through the circuit, adjust the flow of water in inlet tube 2, make pneumatic stop valve possess the flow of detecting water and rivers pressure's ability, it is more accurate directly perceived to the data assurance of rivers, can be better adjust rivers.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (2)
1. A pneumatic stop valve characterized by: the water inlet pipe comprises a water outlet pipe (1), wherein a water inlet pipe (2) is installed on the top surface of the water outlet pipe (1) close to one end, a connecting flange (3) is installed on the top surface of the water inlet pipe (2) close to one end, two pressure regulating pipes (4) are installed on the top surface of the connecting flange (3) close to one side, a moving plate (5) is installed on the front surface of each pressure regulating pipe (4) close to the middle, a valve rod (6) penetrating through the top surface and the bottom surface of the connecting flange (3) is installed on the top surface of the connecting flange (3) close to the other side, a line pipe (7) is installed on the top surface of each pressure regulating pipe (4) and the top surface of each line pipe (7), a pneumatic case (8) is installed on the top surface and the bottom surface of the pneumatic case (8), a valve body flowmeter (9) is installed on the front surface of the pneumatic case (8) close to the middle, and a stop flat wheel (10) located right above the pneumatic case (8) is installed on the periphery of the valve rod (6) close to the top surface;
the flow sensing plate (11) is installed by one end on the top surface of the inner wall of the water inlet pipe (2), the inner wall penetrating through the pressure regulating pipe (4) and the front air leakage groove (12) are formed in the pressure regulating pipe (4) by the middle of the inner wall, the valve ball (13) located in the water inlet pipe (2) is installed at the bottom end of the valve rod (6), the valve plate (14) is installed at the bottom end of the valve ball (13), the transmission line (15) connected with the flow sensing plate (11) is installed in the line pipe (7), and the pneumatic pump (16) connected with the pressure regulating pipe (4) is installed in the pneumatic case (8) by the middle of the inner wall;
the pressure regulating device is characterized in that a pressure regulating disc (17) penetrating through the front surface and the back surface of the moving plate (5) is installed at one end of the front surface of the moving plate (5), a rubber pad (18) is installed at the back surface of the pressure regulating disc (17), a sealing shaft (19) penetrating through the front surface and the back surface of the rubber pad (18) is installed at the middle of the back surface of the pressure regulating disc (17), a sealing rubber arc pad (20) is installed at the rear end of the periphery of the sealing shaft (19), the sealing shaft (19) and the sealing rubber arc pad (20) are both located in the air release groove (12), a data circuit board (21) connected with the transmission line (15) is installed on the back surface of the inner part of the valve body flowmeter (9), and a flow display screen (22) penetrating through the front surface of the valve body flowmeter (9) is installed at the top end of the front surface of the data circuit board (21);
the valve rod (6) penetrates through the top surface and the bottom surface of the pneumatic pump (16), the valve rod (6) and the pneumatic pump (16) can move up and down, the valve plate (14) and the inner wall of the water inlet pipe (2) are arranged in a separable mode, and the water outlet pipe (1) and the water inlet pipe (2) are arranged in a penetrating mode;
the periphery of the sealing shaft (19) is provided with threads, the wall of the air release groove (12) is provided with threads, the sealing shaft (19) and the air release groove (12) are in threaded rotation and are arranged in a separated mode, and the moving plate (5) and the sealing shaft (19) are both in rotatable arrangement with the pressure regulating pipe (4);
the data circuit board (21) is composed of an integrated circuit and a data processing chip, the data circuit board (21) is used for processing data detected by the flow sensing board (11), the flow sensing board (11) is used for detecting the flow and the water flow pressure of water, and the data circuit board (21) is connected with the pneumatic chassis (8) through a line;
a connecting rod (23) is mounted on the inner periphery of the stop flat wheel (10) close to two sides, a telescopic rod (24) penetrating through the side face of the connecting rod (23) is mounted inside the connecting rod (23), the telescopic rod (24) penetrates through the side face of the valve rod (6), and a bolt (25) penetrating through the back face and the inner wall of the connecting rod (23) and the back face of the telescopic rod (24) is mounted at one end of the back face of the connecting rod (23) close to one end;
telescopic link (24) are parallel arrangement with connecting rod (23), and telescopic link (24) are scalable setting with connecting rod (23), and telescopic link (24) are separable setting with valve rod (6), and bolt (25) are the rotatory separable setting of screw thread with connecting rod (23) and telescopic link (24) respectively.
2. The use method of the pneumatic stop valve according to claim 1, characterized by comprising the following specific use steps:
the method comprises the following steps: the pneumatic stop valve is installed between water pipes, the pneumatic stop valve is connected with the water pipes through a water outlet pipe (1) and a water inlet pipe (2), a moving plate (5) is rotated on a pressure regulating pipe (4), the moving plate (5) drives a sealing shaft (19) to rotate in a gas release groove (12) through a pressure regulating disc (17), a rubber gasket (18) is separated from the pressure regulating pipe (4), a sealing rubber arc gasket (20) is separated from the back of the gas release groove (12), the pressure of a pneumatic pump machine (16) is released, after the pressure of the pneumatic pump machine (16) is regulated, the sealing shaft (19) is rotated to the inside of the pressure regulating pipe (4), the sealing shaft (19) seals the gas release groove (12), the pneumatic pump machine (16) is started to drive a valve rod (6) to move upwards, the valve rod (6) drives a valve ball (13) and a valve plate (14) to be separated from the through position of the water inlet pipe (2) and the water outlet pipe (1), and water flow from the water inlet pipe (2) through the water pipe (1);
step two: when water flow passes through the flow sensing plate (11), the flow and the water flow pressure of water in the flow sensing plate (11) are monitored, data are transmitted to the data circuit board (21) through a transmission line (15) in the pipeline pipe (7), the data circuit board (21) processes the data detected by the flow sensing plate (11), the data are displayed on the flow display screen (22) after being processed, when abnormal fluctuation of the water flow pressure occurs, the data circuit board (21) performs linkage adjustment on the pneumatic pump machine (16) through a line, the positions of the valve ball (13) and the valve plate (14) in the water inlet pipe (2) are adjusted, the flow of the water is controlled, when the adjustment of the valve ball (13) and the valve plate (14) by the pneumatic pump machine (16) is not accurate enough, the telescopic rod (24) is pulled out of the connecting rod (23), the telescopic rod (24) is inserted into the valve rod (6), the bolt (25) is rotated on the connecting rod (23) to insert the bolt (25) into the telescopic rod (24), the connecting rod (23) is connected with the connecting rod (24), the valve rod (6) is rotated to drive the valve ball (13) to move up and down the valve plate (14) to drive the valve (13).
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| CN202110589083.2A CN113187905B (en) | 2021-05-28 | 2021-05-28 | Pneumatic stop valve and using method thereof |
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| CN202110589083.2A CN113187905B (en) | 2021-05-28 | 2021-05-28 | Pneumatic stop valve and using method thereof |
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| CN113187905B true CN113187905B (en) | 2022-11-18 |
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| CN2033873U (en) * | 1988-04-09 | 1989-03-08 | 朱兆坤 | Fluid control device |
| CN201228801Y (en) * | 2008-04-06 | 2009-04-29 | 北京特种工程设计研究院 | Manual-pneumatic power integration low-temperature vacuum multilayer thermal insulation stop valve |
| CN101435515B (en) * | 2008-12-22 | 2010-11-24 | 哈尔滨龙江防腐阀门有限公司 | Air pressure type normally-closed pneumatic diaphragm valve |
| CN206175780U (en) * | 2016-07-21 | 2017-05-17 | 江苏艾瑞自控科技发展有限公司 | Safe operating device of separation and reunion formula switching of manual -automatic ization |
| CN106090268A (en) * | 2016-08-23 | 2016-11-09 | 成都欧浦特控制阀门有限公司 | A kind of control valve automatic control system |
| EP3290761B1 (en) * | 2016-08-31 | 2019-11-27 | Armaturen-Wolff | Shut-off valve |
| CN206656017U (en) * | 2017-04-07 | 2017-11-21 | 常州诚磊阀门科技有限公司 | A kind of valve handle group |
| CN208442375U (en) * | 2018-04-28 | 2019-01-29 | 天津埃克森阀门有限公司 | A kind of novel valve double rod handle |
| CN208634493U (en) * | 2018-08-08 | 2019-03-22 | 河北荣星机械配件有限公司 | A kind of valve hand wheel component facilitating maintenance |
| CN108716548A (en) * | 2018-08-09 | 2018-10-30 | 江苏林诚电仪设备有限公司 | A kind of pneumatic needle valve of high temperature and pressure |
| CN109555893A (en) * | 2018-12-18 | 2019-04-02 | 苏州科迪流体控制设备有限公司 | A kind of adjustable Discrete control pneumatic stopping valve |
| CN210106709U (en) * | 2019-04-13 | 2020-02-21 | 无锡市伦渠自控阀门制造有限公司 | Manual-automatic integrated single-seat regulating valve |
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