CN219013524U

CN219013524U - Valve positioner

Info

Publication number: CN219013524U
Application number: CN202223259406.0U
Authority: CN
Inventors: 程鹏凯; 胡朝波; 董元凯
Original assignee: Kewen Fluid Control Hubei Co ltd
Current assignee: Kewen Fluid Control Hubei Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-05-12
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a valve positioner, which comprises a fixing component, wherein the fixing component comprises an outer sleeve and a cylinder, an air inlet control component is arranged on the cylinder, the air inlet control component comprises a first electromagnetic valve and a second electromagnetic valve, a pushing component is arranged on the inner side of the cylinder, the pushing component comprises a piston and a spring, a positioning component is arranged on one side of the cylinder, the positioning component comprises a movable plate and a touch switch group, a switch triggering component is arranged on one side of the piston, the valve positioner can rotate a corresponding pressure mark on the rotating sleeve to the top of an observation port, and further can adapt to the opening positioning work of different pneumatic valves, improve the adaptability of the valve positioner, ensure the constant air pressure of the pneumatic valves according to the air pressure change caused by air leakage, air temperature change and the like in the pneumatic valves in real time, ensure the positioning accuracy of the opening of the pneumatic valves, and is suitable for the opening positioning use of the pneumatic valves.

Description

Valve positioner

Technical Field

The utility model relates to the technical field of valve positioner equipment, in particular to a valve positioner.

Background

When the pneumatic valve is used for adjusting the opening in the pipeline, the pneumatic valve is used for packaging the accuracy of the opening adjustment of the pneumatic valve, the change of the opening of the pipeline caused by the movement of the pneumatic valve is avoided, the valve positioner is often required to be used for positioning the moving opening of the pneumatic valve, the patent application number is CN201620046389.8, and the valve positioner for the adjusting valve is disclosed. The connecting bracket is a rectangular steel frame and is connected with the shell of the valve positioner body through bolts, so that the feedback rod of the valve positioner is conveniently and directly connected with the valve rod feedback pin; according to the technical scheme disclosed by the utility model, when the existing valve positioner is used, on one hand, the existing valve positioner can be correspondingly installed on a pneumatic valve of one type to position, on the other hand, the pneumatic valves of different types can not be matched to use, the adaptability of equipment is reduced, on the other hand, after the opening of the pneumatic valve is positioned, the pneumatic valve is fixed by closing the valve of the pneumatic valve, so that the air pressure of the pneumatic valve is changed due to air leakage or temperature change and the like, and the opening of the pneumatic valve is changed, and the positioning accuracy is not guaranteed.

Therefore, how to design a valve positioner is a current problem to be solved.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a valve positioner which solves the problems in the background art, has reasonable design and is convenient to use and suitable for positioning the opening of a pneumatic valve.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a valve locator, includes the locator body, the locator body includes fixed subassembly, fixed subassembly includes overcoat and cylinder, install the control subassembly that admits air on the cylinder, the control subassembly that admits air includes solenoid valve one and solenoid valve two, the promotion subassembly is installed to the inboard of cylinder, the promotion subassembly includes piston and spring, locating component is installed to one side of cylinder, locating component includes the fly leaf and touches the pressure switch group, the outside side cover of overcoat is equipped with valve opening indicating assembly, the valve is opened indicating assembly and is included change cover and translucent cover, switch triggering assembly is installed to one side of piston, switch triggering assembly includes guide arm and baffle.

Further, the cylinder is welded on the inner wall of one end of the outer sleeve, the top and the bottom of one end of the cylinder are respectively welded with an inlet pipe and an outlet pipe, one side of the outlet pipe is welded with a calandria, the first electromagnetic valve is installed on the inlet pipe, and the second electromagnetic valve is installed on the calandria.

Further, the piston is clamped on the inner wall of the air cylinder in a sealing mode, the piston is connected with the inner wall of the other end of the air cylinder through a spring, one end of the guide rod is welded on the piston, the other end of the guide rod penetrates through the other end of the air cylinder and extends to the outer side of the air cylinder, and the guide plate is welded at the other end of the guide rod.

Further, the fly leaf card is at the inboard of the other end of overcoat, silk mouth and smooth mouth have been seted up on the fly leaf, the inboard of silk mouth has the lead screw through the screw thread card, the outside side at the other end of cylinder is installed through the bearing to the one end of lead screw, the other end of lead screw passes the other end of overcoat through the bearing and extends to the outside of overcoat, the other end welding of lead screw has the revolving plate, the inboard card of smooth mouth has the slide bar, the one end welding of slide bar is at the outside side of the other end of cylinder, the other end welding of slide bar is on the inner wall of the other end of overcoat.

Further, the touch switch group comprises a first touch switch and a second touch switch, a clamping groove is formed in the inner side of the movable plate, the first touch switch is arranged at the top of the clamping groove, the second touch switch is arranged on one side of the clamping groove, and the inner diameter of the clamping groove is equal to the diameter of the guide plate.

Further, the first touch switch is connected with the first electromagnetic valve through an electric wire, the second touch switch is connected with the second electromagnetic valve through an electric wire, the first electromagnetic valve is a normally open electromagnetic valve, and the second electromagnetic valve is a normally closed electromagnetic valve.

Further, the change cover passes through the bearing and installs the outside side at the overcoat, the viewing aperture has been seted up at the top of overcoat, the translucent cover bonds in one side of changeing the cover, it has the pressure mark to change to cover, it has the aperture mark to carve on the translucent cover, pressure mark and aperture mark one-to-one.

Further, the transparent cover is sleeved on the outer side of the observation port, the observation port is located at the top of the movable plate, a pin hole is formed in the rotary sleeve, a clamping pin is clamped on the inner side of the pin hole, the top end of the clamping pin is located on the outer side of the rotary sleeve, the bottom end of the clamping pin penetrates through the pin hole through threads and is clamped on the outer side of the outer sleeve, and an air hole is formed in the bottom of the outer sleeve.

The beneficial effects are that: 1. the valve positioner is provided with the outer sleeve, the air cylinder, the first electromagnetic valve, the second electromagnetic valve, the first touch switch, the second touch switch, the rotating sleeve, the transparent cover, the pressure mark, the opening mark, the bayonet lock and the observation port, so that the corresponding pressure mark on the rotating sleeve can be effectively rotated to the top of the observation port according to the working pressure range value of the pneumatic valve matched for use, further, the valve positioner can adapt to the opening positioning work of different pneumatic valves, and the adaptability of the valve positioner is improved.

2. This valve locator owing to be provided with overcoat, cylinder, advance pipe, exit tube, solenoid valve one, calandria, solenoid valve two, piston, spring, guide arm, baffle, fly leaf, lead screw, rotating plate, touch press switch one and touch press switch two, can be when fixing a position the aperture of pneumatic valve, can be in real-time carry out the correction work according to the atmospheric pressure in the pneumatic valve because of the atmospheric pressure change that causes outside because of gas leakage, temperature change etc. to guarantee pneumatic valve's atmospheric pressure is invariable, and then the guarantee is to pneumatic valve's aperture's accuracy.

3. The valve positioner is reasonable in design, is efficient and convenient to use, and is suitable for positioning the opening of the pneumatic valve.

Drawings

FIG. 1 is a schematic view of a valve positioner according to the present utility model;

FIG. 2 is a cross-sectional view of a valve positioner of the present utility model;

in the figure: 1. a jacket; 2. a cylinder; 3. feeding a pipe; 4. a pipe outlet; 5. a first electromagnetic valve; 6. a calandria; 7. a second electromagnetic valve; 8. a piston; 9. a spring; 10. a guide rod; 11. a guide plate; 12. a flap; 13. a screw rod; 14. a rotating plate; 15. a slide rod; 16. the first touch switch is pressed; 17. a second touch switch; 18. a rotating sleeve; 19. a transparent cover; 20. a pressure mark; 21. an opening standard; 22. a bayonet lock; 23. an observation port; 24. and (5) air holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 2, the present utility model provides a technical solution: a valve positioner comprises a positioner body, the positioner body comprises a fixed component, the fixed component comprises an outer sleeve 1 and an air cylinder 2, an air inlet control component is arranged on the air cylinder 2, the air inlet control component comprises a first electromagnetic valve 5 and a second electromagnetic valve 7, a pushing component is arranged on the inner side of the air cylinder 2, the pushing component comprises a piston 8 and a spring 9, the valve positioner is arranged on one side of the air cylinder 2, the positioning component comprises a movable plate 12 and a touch switch group, a valve opening indicating component is sleeved on the outer side of the outer sleeve 1, the valve opening indicating component comprises a rotating sleeve 18 and a transparent cover 19, a switch triggering component is arranged on one side of the piston 8, the switch triggering component comprises a guide rod 10 and a guide plate 11, the air cylinder 2 is welded on the inner wall of one end of the outer sleeve 1, an inlet pipe 3 and an outlet pipe 4 are respectively welded on the top and the bottom of one end of the air cylinder 2, a drain pipe 6 is welded on one side of the outlet pipe 4, the first electromagnetic valve 5 is arranged on the inlet pipe 3, the second electromagnetic valve 7 is arranged on the inner wall 6 of the air cylinder 6, the guide pipe 8 is clamped on the inner side of the air cylinder 8 and is clamped on the other end of the air cylinder 2, the guide plate is welded on the other end of the guide plate 2 and the other end of the guide plate 2, the guide plate is connected with the other end of the air cylinder 2 through the guide plate 10 and the guide plate 2, the guide plate is welded on the other end of the guide plate 2 and the guide plate is connected with the other end of the guide plate 2 through the guide plate 10 and the guide wire and the guide plate 2, the other end of the screw rod 13 passes through the other end of the outer sleeve 1 through a bearing and extends to the outer side of the outer sleeve 1, a rotating plate 14 is welded at the other end of the screw rod 13, a sliding rod 15 is clamped at the inner side of the sliding opening, one end of the sliding rod 15 is welded at the outer side of the other end of the air cylinder 2, the other end of the sliding rod 15 is welded on the inner wall of the other end of the outer sleeve 1, the touch switch group comprises a touch switch I16 and a touch switch II 17, a clamping groove is formed in the inner side of the movable plate 12, the touch switch I16 is arranged at the top of the clamping groove, the touch switch II 17 is arranged at one side of the clamping groove, the inner diameter of the clamping groove is equal to the diameter of the guide plate 11, the touch switch I16 is connected with the electromagnetic valve I5 through an electric wire, the touch switch II 17 is connected with the electromagnetic valve II 7 through an electric wire, the electromagnetic valve I5 is a normally open electromagnetic valve, the electromagnetic valve II 7 is a normally closed electromagnetic valve, when the electromagnetic valve II is installed, the air supply assembly of the air supply valve is connected with the air inlet of the air supply valve, the air supply pipe 4 is connected with the air inlet of the air supply valve, when the electromagnetic valve II is operated, the rotating plate 14 is rotated, the rotating plate 14 pushes the movable plate 12 left and right through the screw rod 13, the movable plate 12 is pushed to the bottom of the opening mark 21 corresponding to the top, air pressure enters the inner side of the air cylinder 2 through the air supply pipe 3 and then enters the inner side of the air supply valve through the air supply pipe 4, when the air supply valve II moves to the position of the required opening, the air pressure in the air supply valve II reaches a certain pressure value, the piston 8 is pushed rightwards, the spring 9 is compressed by the piston 8, the guide plate 11 is pushed to the inner side of the clamping groove in the movable plate 12 through the guide rod 10, the first contact switch 16 is opened, the electromagnetic valve II is closed, when more air pressure is introduced into the air cylinder 2, the second contact switch 17 is opened, the solenoid valve II 7 is opened to discharge the redundant air pressure outwards, when the air pressure in the pneumatic valve changes due to air leakage, air temperature change and the like, the piston 8 moves leftwards or rightwards, the solenoid valve I5 and the solenoid valve II 7 are opened respectively through the touch switch I16 and the touch switch II 17, the air pressure is further supplemented into the pneumatic valve or outwards discharged, the air pressure in the pneumatic valve is corrected, and accordingly the air pressure of the pneumatic valve is ensured to be constant, and the accuracy of positioning the opening of the pneumatic valve is further ensured.

In this embodiment, the cover 18 is installed in the outside of overcoat 1 through the bearing, viewing aperture 23 has been seted up at the top of overcoat 1, transparent cover 19 bonds in one side of cover 18, it has pressure scale 20 to carve on the cover 18, it has aperture scale 21 to carve on the transparent cover 19, pressure scale 20 and aperture scale 21 one-to-one, transparent cover 19 cover is established in the outside of viewing aperture 23, viewing aperture 23 is located the top of fly leaf 12, the pinhole has been seted up on the cover 18, the inboard card of pinhole has bayonet lock 22, the top of bayonet lock 22 is located the outside of cover 18, the bottom of bayonet lock 22 passes the pinhole through the screw thread and blocks in the outside of overcoat 1, air vent 24 has been seted up to the bottom of overcoat 1, during the installation use, according to the pneumatic parameter value of the work of pneumatic valve, rotates the cover 18 for the pressure scale 20 that is unanimous with the pneumatic parameter of pneumatic valve who installs on the cover 18 rotates viewing aperture 23 top, and then through the aperture scale 21's that the corresponding pneumatic valve of pressure scale 20 on the cover 19 is located the top of this pneumatic valve, and the aperture scale 21 is located the aperture scale 23 and the aperture of the corresponding position of the pneumatic valve is located the aperture of the air valve that the aperture of the corresponding position of the air valve is located the aperture of the air valve 23, and the position of the air valve is adjusted.

The valve positioner provides electric energy for the used electric equipment through an external power supply, when the valve positioner is installed and used, the rotating sleeve 18 is rotated according to the air pressure parameter value of the work of the pneumatic valve, the pressure gauge 20 on the rotating sleeve 18, which is consistent with the air pressure parameter of the installed pneumatic valve, is rotated to the top of the observation port 23, then the opening gauge 21 corresponding to the pressure gauge 20 on the transparent cover 19 is moved to the top of the observation port 23, the opening gauge 21 corresponding to the position of the movable plate 12 is monitored through the observation port 23, so as to position the opening of the pneumatic valve, further adapt to the opening positioning work of different pneumatic valves, improve the adaptability of the valve positioner, connect the air inlet pipe 3 with the air supply component of the pneumatic valve when the valve positioner is installed, connect the outlet pipe 4 with the air inlet of the pneumatic valve, when the valve positioner is used, through rotating the rotating the rotating plate 14, the rotary plate 14 pushes the movable plate 12 left and right through the screw rod 13, pushes the movable plate 12 to the bottom of the opening mark 21 corresponding to the top, air pressure enters the inner side of the air cylinder 2 through the air inlet pipe 3, and then enters the inner side of the pneumatic valve through the air outlet pipe 4, when the pneumatic valve moves to the position of the required opening, the air pressure in the pneumatic valve reaches a certain pressure value, the piston 8 is pushed to the right, the piston 8 compresses the spring 9, the guide plate 11 is pushed to the inner side of the clamping groove in the movable plate 12 through the guide rod 10, the first touch switch 16 is opened, the first electromagnetic valve 5 closes the air inlet pipe 3, when more air pressure is introduced into the air cylinder 2, the second touch switch 17 is opened, the second electromagnetic valve 7 is opened, redundant air pressure is discharged outwards, when the air pressure in the pneumatic valve changes due to air leakage, air temperature change and the like, the piston 8 moves to the left or right, the first electromagnetic valve 5 and the second electromagnetic valve 7 are respectively opened through the first touch switch 16 and the second touch switch 17, so that air pressure is supplemented into the pneumatic valve or is discharged outwards, the air pressure in the pneumatic valve is corrected, the air pressure of the pneumatic valve is ensured to be constant, and the accuracy of positioning the opening of the pneumatic valve is further ensured.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a valve locator, includes the locator body, the locator body includes fixed subassembly, fixed subassembly includes overcoat (1) and cylinder (2), install the control assembly that admits air on cylinder (2), the control assembly that admits air includes solenoid valve one (5) and solenoid valve two (7), the promotion subassembly is installed to the inboard of cylinder (2), the promotion subassembly includes piston (8) and spring (9), its characterized in that: the automatic valve opening and closing device is characterized in that a positioning assembly is arranged on one side of the air cylinder (2), the positioning assembly comprises a movable plate (12) and a touch switch group, a valve opening indicating assembly is sleeved on the outer side of the outer sleeve (1), the valve opening indicating assembly comprises a rotating sleeve (18) and a transparent cover (19), a switch triggering assembly is arranged on one side of the piston (8), and the switch triggering assembly comprises a guide rod (10) and a guide plate (11).

2. A valve positioner according to claim 1, wherein: the cylinder (2) is welded on the inner wall of one end of the outer sleeve (1), a pipe inlet (3) and a pipe outlet (4) are welded at the top and the bottom of one end of the cylinder (2) respectively, a pipe discharge (6) is welded on one side of the pipe outlet (4), a first electromagnetic valve (5) is installed on the pipe inlet (3), and a second electromagnetic valve (7) is installed on the pipe discharge (6).

3. A valve positioner according to claim 2, wherein: the piston (8) is sealed to be blocked on the inner wall of cylinder (2), piston (8) are connected with the inner wall of the other end of cylinder (2) through spring (9), the one end welding of guide arm (10) is on piston (8), the other end of guide arm (10) passes the other end of cylinder (2) and extends to the outside of cylinder (2), the other end at guide arm (10) is welded to baffle (11).

4. A valve positioner according to claim 3, wherein: the movable plate (12) is clamped on the inner side of the other end of the outer sleeve (1), a screw hole and a sliding hole are formed in the movable plate (12), a screw rod (13) is clamped on the inner side of the screw hole through threads, one end of the screw rod (13) is arranged on the outer side of the other end of the air cylinder (2) through a bearing, the other end of the screw rod (13) penetrates through the other end of the outer sleeve (1) through the bearing and extends to the outer side of the outer sleeve (1), a rotating plate (14) is welded on the other end of the screw rod (13), a sliding rod (15) is clamped on the inner side of the sliding hole, one end of the sliding rod (15) is welded on the outer side of the other end of the air cylinder (2), and the other end of the sliding rod (15) is welded on the inner wall of the other end of the outer sleeve (1).

5. A valve positioner according to claim 4, wherein: the touch switch group comprises a first touch switch (16) and a second touch switch (17), a clamping groove is formed in the inner side of the movable plate (12), the first touch switch (16) is arranged at the top of the clamping groove, the second touch switch (17) is arranged on one side of the clamping groove, and the inner diameter of the clamping groove is equal to the diameter of the guide plate (11).

6. A valve positioner according to claim 5, wherein: the first touch switch (16) is connected with the first electromagnetic valve (5) through an electric wire, the second touch switch (17) is connected with the second electromagnetic valve (7) through an electric wire, the first electromagnetic valve (5) is a normally open electromagnetic valve, and the second electromagnetic valve (7) is a normally closed electromagnetic valve.

7. A valve positioner according to claim 6, wherein: the rotary sleeve (18) is arranged on the outer side of the outer sleeve (1) through a bearing, an observation opening (23) is formed in the top of the outer sleeve (1), the transparent cover (19) is adhered to one side of the rotary sleeve (18), the rotary sleeve (18) is carved with the pressure marks (20), the transparent cover (19) is carved with the opening marks (21), and the pressure marks (20) are in one-to-one correspondence with the opening marks (21).

8. A valve positioner according to claim 7, wherein: the transparent cover (19) is sleeved on the outer side of the observation port (23), the observation port (23) is located at the top of the movable plate (12), a pin hole is formed in the rotary sleeve (18), a clamping pin (22) is clamped on the inner side of the pin hole, the top end of the clamping pin (22) is located on the outer side of the rotary sleeve (18), the bottom end of the clamping pin (22) penetrates through the pin hole through threads and is clamped on the outer side of the outer sleeve (1), and an air hole (24) is formed in the bottom of the outer sleeve (1).