CN218236266U

CN218236266U - Protection device for relief valve

Info

Publication number: CN218236266U
Application number: CN202123332731.0U
Authority: CN
Inventors: 曹宏
Original assignee: Adinod Machinery Jiangsu Co ltd
Current assignee: Adinod Machinery Jiangsu Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2023-01-06
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a protector for relief valve relates to relief valve technical field, for self-regulation can't be carried out according to the pressure of intraductal medium to self among the solution prior art, so can appear the problem of the condition that the valve body inflation bursts under the not invariable condition of intraductal pressure. The bottom of relief valve main part is provided with threaded joint, and threaded joint sets up the integral type structure with the relief valve main part, the top of relief valve main part is provided with the transfer sleeve, and is provided with automatically controlled valve barrel in the telescopic top of transfer, the transfer sleeve passes through flange joint with automatically controlled valve barrel and relief valve main part, and the top of automatically controlled valve barrel is provided with wireless module, telescopic one side of transfer is provided with the pressure relief valve mouth, and pressure relief valve mouth and transfer sleeve built-up connection, the inside of relief valve main part is provided with the pressure measurement chamber, and the top in pressure measurement chamber is provided with the pressure relief chamber, be provided with the valve pocket between pressure relief chamber and the pressure measurement chamber, and the top in pressure relief chamber is provided with flexible chamber.

Description

Protection device for relief valve

Technical Field

The utility model relates to a relief valve technical field specifically is a protector for relief valve.

Background

The safety valve is a special branch of a valve family, and the particularity of the safety valve is that the safety valve only plays a role of opening and closing unlike other valves and more importantly plays a role of protecting equipment safety (the patent name is a safety valve, and the publication number is CN 212297792U).

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a protector for relief valve to self-control can't be carried out according to the pressure of intraductal medium to self-proposed in solving above-mentioned background art, so can appear the problem of the condition that the valve body inflation bursts under the not invariable condition of intraductal pressure.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a protector for relief valve, includes the relief valve main part, the bottom of relief valve main part is provided with threaded joint, and threaded joint and relief valve main part set up the integral type structure, the top of relief valve main part is provided with the transfer sleeve, and the telescopic top of transfer is provided with automatically controlled valve barrel, the transfer sleeve passes through flange joint with automatically controlled valve barrel and relief valve main part, and the top of automatically controlled valve barrel is provided with wireless module, one side of transfer sleeve is provided with the pressure relief valve mouth, and pressure relief valve mouth and transfer sleeve built-up connection, the inside of relief valve main part is provided with the pressure measurement chamber, and the top in pressure measurement chamber is provided with the slow-pressure chamber, be provided with the valve pocket between slow-pressure chamber and the pressure measurement chamber, and the top in slow-pressure chamber is provided with flexible chamber.

Preferably, the pressure measuring cavity is internally provided with a piston, the outer side of the piston is provided with a valve ring, and the piston is connected with the valve cavity through the valve ring.

Preferably, a limiting bottom shaft is arranged above the piston and connected with the piston through a screw, and the limiting bottom shaft is arranged inside the slow pressure cavity.

Preferably, the upper portion of the limiting bottom shaft is provided with a return spring, the return spring is connected with the limiting bottom shaft in a laminating mode, the inner side of the pressure relief valve nozzle is provided with a flow sensing module, and the pressure relief valve nozzle extends to the inside of the telescopic cavity.

Preferably, the top of the transfer sleeve is provided with a transfer shaft port, a threaded valve port is arranged in the transfer shaft port, and a locking block is arranged in the threaded valve port.

Preferably, the locking block is rotatably connected with the threaded valve port through an internal thread, a friction gasket is arranged below the locking block, the locking block is rotatably connected with the friction gasket, and the friction gasket is attached to the reset spring.

Preferably, the bottom of the electric control valve sleeve is provided with a sealing ring opening, the inner side of the sealing ring opening is provided with a locking opening, and the locking block is rotatably connected with the electric control valve sleeve through the locking opening.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an automatically controlled valve barrel can receive the signal of telecommunication of the inside sensor of pressure release valve mouth through wireless module, can help the relief valve to carry out the management and control after making the judgement, and the pressure numerical value of the inside of pipeline has surpassed the predetermined numerical value of relief valve sometimes, the biggest open valve that reset spring can realize this moment can't be with medium discharge pressure release in the short time, the pressure of pressure release valve mouth department can be in long-time invariant under this state, in case the time exceeds 10-15s, automatically controlled valve barrel will insert work, the fore shaft through the bottom drives the locking piece and rotates, can upwards pull up reset spring like this, thereby enlarge the open valve bore, promote the open valve flow of medium, help the pipeline to carry out quick pressure release.

Drawings

FIG. 1 is an overall front view of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A;

fig. 4 is a schematic view of the structure of the transfer sleeve of the present invention.

In the figure: 1. a safety valve main body; 2. a threaded joint; 3. a pressure relief valve nozzle; 4. a transfer sleeve; 5. an electrically controlled valve housing; 6. a wireless module; 7. a pressure measurement cavity; 8. a valve cavity; 9. a pressure relief cavity; 10. a telescoping chamber; 11. a piston; 12. a valve ring; 13. limiting the bottom shaft; 14. a return spring; 15. a flow sensing module; 16. a shaft port is connected; 17. a rubbing pad; 18. a locking block; 19. a threaded valve port; 20. locking the opening; 21. and sealing the ring opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, the present invention provides an embodiment: the utility model provides a protector for relief valve, including relief valve main part 1, the bottom of relief valve main part 1 is provided with threaded joint 2, and threaded joint 2 sets up to integral type structure with relief valve main part 1, the top of relief valve main part 1 is provided with transfer sleeve 4, and the top of transfer sleeve 4 is provided with automatically controlled valve barrel 5, transfer sleeve 4 passes through flange joint with automatically controlled valve barrel 5 and relief valve main part 1, and the top of automatically controlled valve barrel 5 is provided with wireless module 6, one side of transfer sleeve 4 is provided with pressure release valve mouth 3, and pressure release valve mouth 3 and transfer sleeve 4 built-up connection, the inside of relief valve main part 1 is provided with pressure measurement chamber 7, and the top of pressure measurement chamber 7 is provided with pressure release chamber 9, be provided with valve pocket 8 between pressure release chamber 9 and the pressure measurement chamber 7, and the top of pressure release chamber 9 is provided with flexible chamber 10, install safety valve main part 1 through threaded joint 2 and fix on the pipeline that awaits measuring, pressure release valve mouth 3 of one side then is connected with the pressure release pipeline, when pipeline pressure measurement chamber is too big, the medium can get into in pressure release chamber 9 through pressure release chamber 7, get into flexible chamber 9 again, last from pressure release valve mouth 3 links to each other, the inside the valve mouth can be received the signal of the wireless module of the help of the wireless module of the discharge of the department of the pressure release valve, the valve mouth 6 of the department, the back of the valve can be done the signal of the management and control, the sensor.

Referring to fig. 2, a piston 11 is disposed inside the pressure measurement cavity 7, a valve ring 12 is disposed outside the piston 11, the piston 11 is connected to the valve cavity 8 through the valve ring 12, a limiting bottom shaft 13 is disposed above the piston 11, the limiting bottom shaft 13 is connected to the piston 11 through a screw, the limiting bottom shaft 13 is disposed inside the pressure relief cavity 9, a return spring 14 is disposed above the limiting bottom shaft 13, and the return spring 14 is attached to the limiting bottom shaft 13, so that when the pressure in the pipe is too high, the piston 11 is pushed to move upward, the valve ring 12 in the middle section is separated from the valve cavity 8, a medium flows into the pressure relief cavity 9 along the pressure measurement cavity 7, the return spring 14 inside the expansion cavity 10 can re-press the piston 11 and the valve ring 12 into the cavity after the pipe pressure returns to normal, a flow sensing module 15 is disposed inside the pressure relief valve nozzle 3, and the pressure relief valve nozzle 3 extends into the expansion cavity 10, the flow sensing module 15 can be selected according to the medium to be actually detected, and the medium is mainly divided into two types of liquid and gas.

Referring to fig. 3-4, an adapter shaft port 16 is disposed at the top of the adapter sleeve 4, a threaded valve port 19 is disposed inside the adapter shaft port 16, a lock block 18 is disposed inside the threaded valve port 19, the lock block 18 is rotatably connected to the threaded valve port 19 through an internal thread, a friction gasket 17 is disposed below the lock block 18, the lock block 18 is rotatably connected to the friction gasket 17, the friction gasket 17 is attached to a return spring 14, a sealing ring port 21 is disposed at the bottom of the electrically controlled valve housing 5, a lock port 20 is disposed inside the sealing ring port 21, the lock block 18 is rotatably connected to the electrically controlled valve housing 5 through the lock port 20, sometimes a pressure value inside the pipeline exceeds a preset value of a safety valve, at this time, a maximum valve opening that can be realized by the return spring 14 cannot discharge a medium in a short time, a pressure at the pressure relief valve nozzle 3 is constant for a long time in this state, once the time exceeds 10-15s, the electrically controlled valve housing 5 is switched into operation, the lock port 20 at the bottom drives the lock block 18 to rotate, so that the return spring 14 is pulled upward to expand the diameter of the pressure relief valve, thereby increasing the aperture of the pressure relief and helping to quickly open the pipeline.

The working principle is as follows: during the use, install safety valve main part 1 through screwed joint 2 and fix on the pipeline that awaits measuring, the pressure release valve mouth 3 of one side then is connected with the pressure release pipeline, when pipeline pressure is too big, the medium can enter into pressure-relieving chamber 9 through pressure-measuring chamber 7, again enter into flexible chamber 10 from pressure-relieving chamber 9, discharge from the pressure release valve mouth 3 department that links to each other with flexible chamber 10 at last, the automatically controlled valve barrel 5 at top can receive the signal of telecommunication of the inside sensor of pressure release valve mouth 3 through wireless module 6, can help the safety valve to carry out the management and control after making the judgement, the pressure numerical value of the inside of pipeline has surpassed the predetermined numerical value of safety valve sometimes, the biggest open valve that reset spring 14 can realize this moment can's unable discharge medium pressure release in the short time, the pressure of pressure release valve mouth 3 department can be in long-time invariant under this state, in case the time exceeds 10-15s, automatically controlled valve barrel 5 will insert work, drive the locking piece 18 through the fore-shaft 20 of bottom and rotate, can pull up reset spring 14 like this, thereby enlarge the open valve, thereby, promote the flow of medium, help carry out quick pressure release.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A safety valve is with protector, includes relief valve main part (1), its characterized in that: the bottom of relief valve main part (1) is provided with screwed joint (2), and screwed joint (2) and relief valve main part (1) set up to the integral type structure, the top of relief valve main part (1) is provided with transfer sleeve (4), and the top of transfer sleeve (4) is provided with automatically controlled valve barrel (5), transfer sleeve (4) and automatically controlled valve barrel (5) and relief valve main part (1) pass through flange joint, and the top of automatically controlled valve barrel (5) is provided with wireless module (6), one side of transfer sleeve (4) is provided with pressure relief valve mouth (3), and pressure relief valve mouth (3) and transfer sleeve (4) built-up connection, the inside of relief valve main part (1) is provided with pressure measurement chamber (7), and the top of pressure measurement chamber (7) is provided with slowly presses chamber (9), be provided with between slowly pressing chamber (9) and the pressure measurement chamber (7) valve chamber (8), and the top of slowly pressing chamber (9) is provided with flexible chamber (10).

2. A safety valve guard according to claim 1, wherein: the pressure measuring device is characterized in that a piston (11) is arranged in the pressure measuring cavity (7), a valve ring (12) is arranged on the outer side of the piston (11), and the piston (11) is connected with the valve cavity (8) through the valve ring (12).

3. A safety valve guard according to claim 2, wherein: the upper portion of piston (11) is provided with spacing bottom shaft (13), and spacing bottom shaft (13) passes through bolted connection with piston (11), spacing bottom shaft (13) set up the inside in slowly-pressing chamber (9).

4. A safety valve guard according to claim 3, wherein: the upper portion of spacing end axle (13) is provided with reset spring (14), and reset spring (14) and spacing end axle (13) laminating are connected, the inboard of pressure release valve mouth (3) is provided with flow sensing module (15), and pressure release valve mouth (3) extend to the inside in flexible chamber (10).

5. A safety valve guard according to claim 4, wherein: the transfer sleeve is characterized in that a transfer shaft port (16) is formed in the top of the transfer sleeve (4), a threaded valve port (19) is formed in the transfer shaft port (16), and a locking block (18) is arranged in the threaded valve port (19).

6. A safety valve guard according to claim 5, wherein: the lock block (18) is rotatably connected with the threaded valve port (19) through internal threads, a friction gasket (17) is arranged below the lock block (18), the lock block (18) is rotatably connected with the friction gasket (17), and the friction gasket (17) is attached to the reset spring (14).

7. A safety valve guard according to claim 6, wherein: the bottom of automatically controlled valve barrel (5) is provided with sealed annular opening (21), and the inboard of sealed annular opening (21) is provided with fore shaft (20), locking piece (18) are connected with automatically controlled valve barrel (5) rotation through fore shaft (20).