CN215908481U

CN215908481U - Safety valve with automatic pressure relief function

Info

Publication number: CN215908481U
Application number: CN202121987413.5U
Authority: CN
Inventors: 苟肖飞
Original assignee: Xiongxian Changjiang Petroleum Equipment Co ltd
Current assignee: Xiongxian Changjiang Petroleum Equipment Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-25
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a safety valve with an automatic pressure relief function, which comprises a valve casing, wherein a central controller is fixedly installed at the middle end of the front surface of the valve casing, an information processor is fixedly installed at the upper end of the front surface of the valve casing, a wireless signal transceiver is fixedly installed at the lower end of the front surface of the valve casing, a discharge port is formed in the middle end of the top of the valve casing, and a sealing box is fixedly connected between the periphery of the top of the outer surface of the valve casing. The safety valve has the automatic pressure relief function, can remotely control and adjust the pressure of automatic pressure relief according to the use requirement, and brings great convenience to the use and operation of workers under the action of mutual cooperation of the pressure sensor, the spring, the sealing plate, the information processor, the valve shell, the discharge port, the sealing box, the discharge pipe, the wireless signal transceiver, the central controller, the servo motor, the worm gear, the threaded rod and the lifting plate.

Description

Safety valve with automatic pressure relief function

Technical Field

The utility model relates to the technical field of safety valves, in particular to a safety valve with an automatic pressure relief function.

Background

The safety valve is a fail-safe valve, an example of which is a pressure relief valve that automatically releases material from a boiler, pressure vessel or other system when the pressure or temperature exceeds a preset limit, and the pilot operated pressure relief valve is a special type of pressure safety valve that is a suitable choice for leak-proof, low cost, single emergency use requirements.

However, the existing safety valve does not have a remote control function, and the pressure relief pressure cannot be remotely controlled and adjusted according to the use requirement, so that the staff often need to reach the site to manually adjust the pressure relief pressure when the pressure relief pressure is adjusted, and great inconvenience is brought to the use and operation of the staff.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safety valve with an automatic pressure relief function, which has the advantage of remotely controlling and adjusting the pressure relief pressure and solves the problem that the conventional safety valve does not have a remote control function and cannot remotely control and adjust the pressure relief pressure according to the use requirement.

In order to achieve the purpose, the utility model provides the following technical scheme: a safety valve with an automatic pressure relief function comprises a valve casing, wherein a central controller is fixedly mounted at the middle end of the front surface of the valve casing, an information processor is fixedly mounted at the upper end of the front surface of the valve casing, a wireless signal transceiver is fixedly mounted at the lower end of the front surface of the valve casing, a discharge port is formed in the middle end of the top of the valve casing, a seal box is fixedly connected between the periphery of the top of the outer surface of the valve casing, a discharge pipe is fixedly connected at the lower end of the right side of the seal box, a servo motor is fixedly mounted at the upper end of the right side of the outer surface of the seal box, a worm is fixedly mounted at the output end of the servo motor, the left side of the worm is movably connected to the upper end of the left side of an inner cavity of the seal box through a bearing, a threaded rod is movably connected to the middle end of the top of the inner cavity of the seal box through a bearing, a worm wheel is fixedly mounted at the upper end of the threaded rod, and the back of the worm wheel is meshed with the middle end of the worm, the lower extreme threaded connection of threaded rod has the lifter plate, through support fixedly connected with fly leaf between the both ends of lifter plate bottom, the bottom fixed mounting of fly leaf has pressure sensor, pressure sensor's bottom fixed mounting has the spring, the bottom of spring just is located the top fixedly connected with closing plate of discharge port, the bottom swing joint of closing plate is in the middle-end at valve casing surface top.

Preferably, the spacing groove has all been seted up to the upper end of seal box inner chamber both sides, the equal fixedly connected with stopper in both sides of lifter plate, the surface of stopper and keep away from the one end swing joint of lifter plate in the surface of spacing groove.

Preferably, both ends of the movable plate are movably connected with sliding rods, and the bottoms of the sliding rods are fixedly connected to the tops of the sealing plates.

Preferably, a protection box is fixedly installed between the periphery of the front surface of the valve casing, heat dissipation holes are formed in the middle end of the front surface of the protection box, and a metal protection net is fixedly installed on the surfaces of the heat dissipation holes.

Preferably, the lower extreme fixedly connected with first ring flange of valve casing surface, first mounting hole has all been seted up around the first ring flange.

Preferably, the right end of the outer surface of the discharge pipe is fixedly connected with a second flange, and second mounting holes are formed in the periphery of the second flange.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model can effectively monitor the pressure generated between the sealing plate and the pressure sensor by the compression of the spring through the arrangement of the pressure sensor, simultaneously can upload the monitored data to the information processor for real-time analysis and processing, simultaneously when the pressure of the substances in the external pipeline and the valve shell is higher than the pressure of the spring on the sealing plate, the substances in the valve shell can upwards push the sealing plate through the discharge port, so that the substances enter the inside of the sealing box after the bottom of the sealing plate is separated from the top of the valve shell, and are discharged to the outside from the discharge pipe until the pressure in the external pipeline and the valve shell is less than the pressure applied to the sealing plate by the spring, the sealing plate can be restored to the original position, and the discharge port at the top of the valve shell is sealed, thereby achieving the effect of automatic pressure relief, and the pressure relief pressure information remotely sent by a worker can be received through the arrangement of the wireless signal transceiver, meanwhile, the pressure relief pressure information is uploaded to an information processor for real-time analysis, when the pressure relief pressure information remotely sent by a worker is inconsistent with the monitoring data of a pressure sensor received in the information processor, the information processor sends a control command to a central controller, so that the central controller controls a servo motor to work, the servo motor can drive a worm to rotate and can drive a worm wheel and a threaded rod to rotate, the threaded rod can drive a lifting plate to move along the surface of the threaded rod while rotating, the lifting plate can drive a movable plate and the pressure sensor to move, the pressure between the pressure sensor and a sealing plate can be changed by a spring, and the information processor controls the servo motor to stop working through the central controller until the data monitored by the pressure sensor is equal to the pressure relief pressure information remotely sent by the worker, and then reached the effect that carries out remote control to automatic pressure release pressure and adjust, under whole complex effect, when having realized that this safety valve possesses automatic pressure release function, can carry out the effect that remote control adjusted to the pressure of automatic pressure release according to the demand that uses, the operation of giving the staff brings very big facility, has solved current relief valve and has not possessed the remote control function, can't carry out the problem that remote control adjusted to pressure release pressure according to the demand that uses.

2. According to the utility model, the purpose of limiting the lifting plate is achieved through the arrangement of the limiting groove and the limiting block, the purpose of limiting the position between the sealing plate and the movable plate is achieved through the arrangement of the sliding rod, the effect of protecting the periphery of the front surface of the valve shell is achieved through the arrangement of the protective box, through the arrangement of the heat dissipation holes and the metal protective net, the effect of protecting the heat dissipation holes is achieved while the heat inside the protective box is favorably dissipated to the outside, through the arrangement of the first flange plate and the first mounting hole, a user can conveniently butt-joint and mount the valve shell and the outside pipeline, and through the arrangement of the second flange plate and the second mounting hole, the user can conveniently butt-joint and mount the discharge pipe and the outside pipeline.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of the protective case of the present invention;

fig. 4 is a partial enlarged view of the utility model at a in fig. 2.

In the figure: 1. a valve housing; 2. a first flange plate; 3. heat dissipation holes; 4. a protective box; 5. a sealing box; 6. a servo motor; 7. a discharge pipe; 8. a second flange plate; 9. a worm; 10. a lifting plate; 11. a limiting block; 12. a pressure sensor; 13. a slide bar; 14. a sealing plate; 15. a discharge port; 16. a spring; 17. a movable plate; 18. a limiting groove; 19. a threaded rod; 20. an information processor; 21. a central controller; 22. a wireless signal transceiver; 23. a worm gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, a safety valve with automatic pressure relief function comprises a valve housing 1, a first flange 2 is fixedly connected to the lower end of the outer surface of the valve housing 1, first mounting holes are formed around the first flange 2, a user can conveniently butt-joint the valve housing 1 and an external pipeline by arranging the first flange 2 and the first mounting holes, a central controller 21 is fixedly installed at the middle end of the front surface of the valve housing 1, an information processor 20 is fixedly installed at the upper end of the front surface of the valve housing 1, a wireless signal transceiver 22 is fixedly installed at the lower end of the front surface of the valve housing 1, a protection box 4 is fixedly installed around the front surface of the valve housing 1, the effect of protecting the periphery of the front surface of the valve housing 1 is achieved by arranging the protection box 4, heat dissipation holes 3 are formed at the middle end of the front surface of the protection box 4, and a metal protection net is fixedly installed on the surface of the heat dissipation holes 3, through the arrangement of the heat dissipation holes 3 and the metal protection net, the effect of protecting the heat dissipation holes 3 is achieved while the heat inside the protection box 4 is favorably dissipated to the outside, the middle end of the top of the valve casing 1 is provided with the discharge hole 15, the sealing box 5 is fixedly connected between the periphery of the top of the outer surface of the valve casing 1, the lower end on the right side of the sealing box 5 is fixedly connected with the discharge pipe 7, the right end of the outer surface of the discharge pipe 7 is fixedly connected with the second flange 8, the periphery of the second flange 8 is provided with the second mounting hole, a user can conveniently butt-joint and mount the discharge pipe 7 and the external pipeline through the arrangement of the second flange 8 and the second mounting hole, the upper end on the right side of the outer surface of the sealing box 5 is fixedly provided with the servo motor 6, the output end of the servo motor 6 is fixedly provided with the worm 9, the left side of the worm 9 is movably connected to the upper end on the left side of the inner cavity of the sealing box 5 through the bearing, the middle end of the top of the inner cavity of the seal box 5 is movably connected with a threaded rod 19 through a bearing, the upper end of the threaded rod 19 is fixedly provided with a worm wheel 23, the back of the worm wheel 23 is meshed with the middle end of the worm 9, the lower end of the threaded rod 19 is connected with a lifting plate 10 through threads, the upper ends of two sides of the inner cavity of the seal box 5 are respectively provided with a limiting groove 18, two sides of the lifting plate 10 are respectively and fixedly connected with a limiting block 11, one end of the surface of each limiting block 11, which is far away from the lifting plate 10, is movably connected with the surface of the limiting groove 18, the purpose of limiting the lifting plate 10 is achieved through the arrangement of the limiting grooves 18 and the limiting blocks 11, a movable plate 17 is fixedly connected between two ends of the bottom of the lifting plate 10 through a support, the bottom of the movable plate 17 is fixedly provided with a pressure sensor 12, the bottom of the pressure sensor 12 is fixedly provided with a spring 16, and a sealing plate 14 is fixedly connected with the bottom of the spring 16 and positioned above the discharge port 15, the bottom of the sealing plate 14 is movably connected to the middle end of the top of the outer surface of the valve casing 1, two ends of the movable plate 17 are movably connected with the sliding rod 13, the bottom of the sliding rod 13 is fixedly connected to the top of the sealing plate 14, the purpose of limiting the position between the sealing plate 14 and the movable plate 17 is achieved through the arrangement of the sliding rod 13, the pressure generated between the sealing plate 14 and the pressure sensor 12 by the compression of the spring 16 can be effectively monitored through the arrangement of the pressure sensor 12, meanwhile, monitored data can be uploaded to the information processor 20 for real-time analysis and processing, meanwhile, when the pressure of an external pipeline and the material inside the valve casing 1 is higher than the pressure of the spring 16 on the sealing plate 14, the material inside the valve casing 1 can push the sealing plate 14 upwards through the discharge port 15, after the bottom of the sealing plate 14 is separated from the top of the valve casing 1, the material enters the inside the sealing box 5 and is discharged to the outside through the discharge pipe 7, when the pressure between the external pipeline and the inside of the valve housing 1 is smaller than the pressure applied to the sealing plate 14 by the spring 16, the sealing plate 14 can be restored to the original position, the discharge port 15 at the top of the valve housing 1 is sealed, and the effect of automatic pressure relief is achieved, and through the arrangement of the wireless signal transceiver 22, the pressure relief pressure information remotely sent by a worker can be received and simultaneously uploaded to the information processor 20 for real-time analysis, when the pressure relief pressure information remotely sent by the worker is inconsistent with the monitoring data of the pressure sensor 12 received in the information processor 20, the information processor 20 sends a control instruction to the central controller 21, so that the central controller 21 controls the servo motor 6 to work, the servo motor 6 can work to drive the worm 9 to rotate, and simultaneously can drive the worm wheel 23 and the threaded rod 19 to rotate, and simultaneously can drive the lifting plate 10 to move along the surface of the threaded rod 19, the lifting plate 10 moves to drive the movable plate 17 and the pressure sensor 12 to move, so that the pressure of the spring 16 between the pressure sensor 12 and the sealing plate 14 is changed until the data monitored by the pressure sensor 12 is equal to the pressure relief pressure information remotely sent by the operator, the information processor 20 controls the servo motor 6 to stop working through the central controller 21, thereby achieving the effect of remotely controlling and adjusting the automatic pressure relief pressure, under whole complex effect, when having realized that this relief valve possesses automatic pressure release function, can carry out the effect that remote control adjusted to the pressure of automatic pressure release according to the demand that uses, the use operation of giving the staff brings very big facility, has solved current relief valve and has not possessed the remote control function, can't carry out the problem that remote control adjusted to pressure release pressure according to the demand that uses.

All the components in the utility model are universal standard components or components known by those skilled in the art, the structure and principle of the components can be known by technical manuals or conventional experimental methods, meanwhile, the standard components used in the application document can be purchased from the market, the components in the application document can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each component adopts the conventional means of mature bolts, rivets, welding and the like in the prior art, the machinery, the components and equipment adopt the conventional models in the prior art, the control mode is automatically controlled through a controller, the control circuit of the controller can be realized through simple programming of those skilled in the art, the components belong to the common knowledge in the art, and the application document is mainly used for protecting mechanical devices, so the detailed explanation of the control mode and circuit connection is omitted, no specific description will be made herein.

When the pressure monitoring valve is used, through the arrangement of the pressure sensor 12, the pressure generated between the sealing plate 14 and the pressure sensor 12 by the compression of the spring 16 can be effectively monitored, meanwhile, the monitored data can be uploaded to the information processor 20 for real-time analysis and processing, meanwhile, when the pressure of an external pipeline and the material inside the valve shell 1 is higher than the pressure of the spring 16 on the sealing plate 14, the material inside the valve shell 1 can push the sealing plate 14 upwards through the discharge port 15, so that the material enters the inside of the sealing box 5 after the bottom of the sealing plate 14 is separated from the top of the valve shell 1 and is discharged to the outside from the discharge pipe 7 until the pressure of the external pipeline and the inside of the valve shell 1 is less than the pressure applied to the sealing plate 14 by the spring 16, the sealing plate 14 can be restored to the original position, the discharge port 15 at the top of the valve shell 1 is sealed, and the effect of automatic pressure relief is achieved, and through the arrangement of the wireless signal transceiver 22, the pressure relief pressure information remotely sent by the staff can be received and simultaneously uploaded to the information processor 20 for real-time analysis, when the pressure relief pressure information remotely sent by the staff is inconsistent with the monitoring data of the pressure sensor 12 received in the information processor 20, the information processor 20 sends a control instruction to the central controller 21, so that the central controller 21 controls the servo motor 6 to work, the servo motor 6 can drive the worm 9 to rotate and can drive the worm wheel 23 and the threaded rod 19 to rotate, the threaded rod 19 can drive the lifting plate 10 to move along the surface of the threaded rod 19 while rotating, the lifting plate 10 can drive the movable plate 17 and the pressure sensor 12 to move, and the spring 16 can change the pressure between the pressure sensor 12 and the sealing plate 14, until the data that pressure sensor 12 monitored are equal with the pressure release pressure information that the staff teletransmission, information processor 20 just can control servo motor 6 stop work through central controller 21, and then reached and carried out the effect that remote control adjusted to automatic pressure release pressure, under whole complex effect, when having realized that this safety valve possesses automatic pressure release function, can carry out the effect that remote control adjusted to the pressure of automatic pressure release according to the demand of using, the operation that gives the staff brings very big facility.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a relief valve that possesses automatic pressure release function, includes valve casing (1), its characterized in that: the middle end fixed mounting on the positive surface of valve casing (1) has central controller (21), the upper end fixed mounting on the positive surface of valve casing (1) has information processor (20), the lower extreme fixed mounting on the positive surface of valve casing (1) has wireless signal transceiver (22), discharge port (15) have been seted up to the middle end at valve casing (1) top, fixedly connected with seal box (5) around valve casing (1) surface top, lower extreme fixedly connected with delivery pipe (7) on seal box (5) right side, the upper end fixed mounting on seal box (5) surface right side has servo motor (6), the output fixed mounting of servo motor (6) has worm (9), bearing swing joint is passed through in the left upper end of seal box (5) inner chamber in the left side of worm (9), the middle end at seal box (5) inner chamber top has threaded rod (19) through bearing swing joint, the utility model discloses a pressure sensor, including threaded rod (19), the upper end fixed mounting of threaded rod (19) has worm wheel (23), the back of worm wheel (23) meshes with the middle-end of worm (9), the lower extreme threaded connection of threaded rod (19) has lifter plate (10), through support fixedly connected with fly leaf (17) between the both ends of lifter plate (10) bottom, the bottom fixed mounting of fly leaf (17) has pressure sensor (12), the bottom fixed mounting of pressure sensor (12) has spring (16), the bottom of spring (16) just is located top fixedly connected with closing plate (14) of discharge port (15), the bottom swing joint of closing plate (14) is in the middle-end at valve casing (1) surface top.

2. The safety valve with an automatic pressure relief function according to claim 1, characterized in that: spacing groove (18) have all been seted up to the upper end of seal box (5) inner chamber both sides, the equal fixedly connected with stopper (11) in both sides of lifter plate (10), the one end swing joint in the surface of spacing groove (18) of lifter plate (10) just is kept away from on the surface of stopper (11).

3. The safety valve with an automatic pressure relief function according to claim 1, characterized in that: both ends of the movable plate (17) are movably connected with sliding rods (13), and the bottoms of the sliding rods (13) are fixedly connected to the tops of the sealing plates (14).

4. The safety valve with an automatic pressure relief function according to claim 1, characterized in that: the protective box is characterized in that a protective box (4) is fixedly mounted between the periphery of the front surface of the valve casing (1), heat dissipation holes (3) are formed in the middle end of the front surface of the protective box (4), and a metal protective net is fixedly mounted on the surface of the heat dissipation holes (3).

5. The safety valve with an automatic pressure relief function according to claim 1, characterized in that: the lower extreme fixedly connected with first ring flange (2) of valve casing (1) surface, first mounting hole has all been seted up around first ring flange (2).

6. The safety valve with an automatic pressure relief function according to claim 1, characterized in that: the right end of the outer surface of the discharge pipe (7) is fixedly connected with a second flange plate (8), and second mounting holes are formed in the periphery of the second flange plate (8).