CN215635007U

CN215635007U - High-pressure-resistant pressure reducing valve

Info

Publication number: CN215635007U
Application number: CN202122099052.7U
Authority: CN
Inventors: 吴承滨; 吴承艺
Original assignee: YONGXIU VALVE CO LTD
Current assignee: YONGXIU VALVE CO LTD
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-25
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a high-pressure-resistant pressure reducing valve, which comprises a pressure reducing valve body, wherein a pressure relief opening is formed in the pressure reducing valve body, the top of the pressure reducing valve body is fixedly connected with a fixed top cover, the inner top surface of the fixed top cover is symmetrically and fixedly connected with one end of two electric telescopic rods, the other end of each electric telescopic rod is fixedly connected with the top surface of a limiting block, the bottom surface of each limiting block contacts with the top surface of a round block, the round block is fixedly connected with one end of a valve rod, the other end of the valve rod penetrates through a moving hole in the inner bottom surface of the fixed top cover and is fixedly connected with the top surface of a sealing block, and the sealing block is clamped in the pressure relief opening; the inner wall of the pressure reducing valve body is fixedly connected with a fixing plate, the fixing plate is provided with a through hole, a valve rod is clamped in the through hole, and the bottom surface of the fixing plate is fixedly connected with a sealing ring. The equipment can be adjusted electric telescopic handle through the size that detects pressure, and the size that the pressure release mouth opened and shut is adjusted to the position that changes the stopper carries out the decompression work that lasts, and the switch of warning light can be backed up to the valve rod when pressure is too big, reminds the staff to inspect.

Description

High-pressure-resistant pressure reducing valve

Technical Field

The utility model relates to the technical field of pressure reducing valves, in particular to a high-pressure-resistant pressure reducing valve.

Background

The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure by regulation and automatically keeps the outlet pressure stable by the energy of a medium. Then, the fluctuation of the pressure behind the valve is balanced with the spring force by means of the regulation of the control and regulation system, so that the pressure behind the valve is kept constant within a certain error range, and the pressure inside the existing pressure reducing valve cannot be continuously reduced when the existing pressure reducing valve is used, so that the pressure born by a pipeline is overlarge.

To this, grant chinese utility model that the publication is CN211474973U and provide a light relief pressure valve for conduit, including relief pressure valve body and relief pressure valve upper cover, the top of relief pressure valve body is provided with the relief pressure valve upper cover, and the equal fixedly connected with mounting plate in bottom of the top of relief pressure valve body and relief pressure valve upper cover, two the mounting plate passes through bolt fixed connection, the inside of relief pressure valve body is provided with the valve rod, the external fixation cover of valve rod is equipped with the fixed plate that is located relief pressure valve body inner chamber, and the outside of fixed plate and the inner chamber sliding connection of relief pressure valve body. This a light relief pressure valve for conduit carries out spacing joint through utilizing stop device to the round platen on the valve rod when rising for this relief pressure valve can last reduce pressure, and the effectual inside pressure of conduit of having avoided causes the pipeline to break when too big, perhaps the condition of kneck burst, has guaranteed the continuous decompression of device.

However, in the use process of the utility model, the impact of pressure can cause damage inside the equipment, and for this reason, a high-pressure-resistant pressure reducing valve is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a high pressure relief valve to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a high pressure resistant pressure reducing valve comprises a pressure reducing valve body, a pressure relief opening is arranged in the pressure reducing valve body,

the top of the valve body of the pressure reducing valve is fixedly connected with a fixed top cover, the inner top surface of the fixed top cover is symmetrically and fixedly connected with one ends of two electric telescopic rods, the other end of each electric telescopic rod is fixedly connected with the top surface of a limiting block, the bottom surface of the limiting block contacts with the top surface of a round block, the round block is fixedly connected with one end of a valve rod, the other end of the valve rod penetrates through a moving hole in the inner bottom surface of the fixed top cover and is fixedly connected with the top surface of a sealing block, and the sealing block is clamped in a pressure relief opening;

the inner wall of the pressure reducing valve body is fixedly connected with a fixing plate, a through hole is formed in the fixing plate, the valve rod is clamped in the through hole, a sealing ring is fixedly connected to the bottom surface of the fixing plate, the inner ring of the sealing ring contacts with the valve rod, the top surface of the fixing plate is fixedly connected with one end of a first spring, the first spring is wound on the valve rod, and the other end of the first spring is fixedly connected with the bottom surface of a fixed top cover.

Preferably, the diameter of the round block is smaller than the diameter between the inner walls of the fixed top covers.

Preferably, the bottom surface of the sealing block is fixedly connected with a pressure sensor.

Preferably, the outer wall of the fixed top cover is provided with a control panel, and the control panel is provided with a display screen and an adjusting button for controlling the electric telescopic rod.

Preferably, the top surface of the fixed top cover is provided with a warning lamp, the top surface of the fixed top cover is provided with a fixed groove, the bottom surface of the fixed groove is provided with a switch for controlling the warning lamp, one end of a second spring is fixedly connected to the inner wall of the fixed groove, the second spring is wound on the pressing rod, and the other end of the second spring is fixedly connected to the pressing rod.

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

1. the equipment can be adjusted electric telescopic handle through the size that detects pressure, and the size that the pressure release mouth opened and shut is adjusted to the position that changes the stopper carries out the decompression work that lasts, and the switch of warning light can be backed up to the valve rod when pressure is too big, reminds the staff to inspect.

2. The device is provided with a buffer structure, so that impact caused by pressure is relieved in the pressure reduction process, and damage to the inside of the device due to collision of the valve rod is prevented.

Drawings

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

FIG. 2 is an enlarged structural view of the structure at A in FIG. 2 according to the present invention;

fig. 3 is a structural schematic diagram of the rotary feeding base in the utility model.

In the figure: 1. a pressure reducing valve body; 101. a pressure relief port; 2. fixing the top cover; 201. moving the hole; 202. fixing grooves; 3. an electric telescopic rod; 4. a limiting block; 5. a round block; 6. a valve stem; 7. a fixing plate; 701. a through hole; 8. a seal ring; 9. a first spring; 10. a sealing block; 11. a pressure sensor; 12. a control panel; 1201. a display screen; 1202. adjusting the keys; 13. a warning light; 14. a switch; 15. a second spring; 16. a pressure lever.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a high pressure resistant pressure reducing valve comprises a pressure reducing valve body 1, a pressure relief opening 101 is arranged in the pressure reducing valve body 1,

as shown in fig. 1 and 2, a fixed top cover 2 is fixedly connected to the top of a valve body 1 of the pressure reducing valve, one ends of two electric telescopic rods 3 are symmetrically and fixedly connected to the inner top surface of the fixed top cover 2, the other end of each electric telescopic rod 3 is fixedly connected to the top surface of a limiting block 4, the bottom surface of each limiting block 4 contacts with the top surface of a round block 5, the round block 5 is fixedly connected to one end of a valve rod 6, the other end of the valve rod 6 penetrates through a moving hole 201 in the inner bottom surface of the fixed top cover 2 and is fixedly connected to the top surface of a sealing block 10, and the sealing block 10 is clamped in a pressure relief opening 101;

further, the diameter of the round block 5 is smaller than the diameter between the inner walls of the fixed top cover 2.

The round block 5 is not contacted with the inner wall of the fixed top cover 2, so that the friction inside the equipment caused by the upward movement of the valve rod 6 during pressure reduction is reduced, and the service life of the equipment is prolonged.

As shown in fig. 1, a fixing plate 7 is fixedly connected to the inner wall of a valve body 1 of the pressure reducing valve, a through hole 701 is formed in the fixing plate 7, a valve rod 6 is clamped in the through hole 701, a sealing ring 8 is fixedly connected to the bottom surface of the fixing plate 7, the inner ring of the sealing ring 8 contacts with the valve rod 6, the top surface of the fixing plate 7 is fixedly connected to one end of a first spring 9, the first spring 9 is wound on the valve rod 6, and the other end of the first spring 9 is fixedly connected to the bottom surface of a fixing top cover 2.

As shown in fig. 3, a pressure sensor 11 is fixed to the bottom surface of the sealing block 10.

As shown in fig. 2, a control panel 12 is disposed on an outer wall of the fixed top cover 2, and a display 1201 and an adjustment button 1202 for controlling the electric telescopic rod 3 are disposed on the control panel 12.

The pressure sensor 11 on the bottom surface of the sealing block 10 can display the current pressure value on the display screen 1201 in real time, and an operator can adjust the position of the limiting block 4 of the electric telescopic rod 3 through the adjusting button 1202 to adjust the opening and closing size of the pressure relief opening 101 to continuously and stably relieve pressure, so that pipeline damage caused by sudden pressure drop is avoided.

As shown in fig. 2, the top surface of the fixed top cover 2 is provided with a warning light 13, the top surface of the fixed top cover 2 is provided with a fixed groove 202, the bottom surface of the fixed top cover 2 is provided with a switch 14 for controlling the warning light 13, the inner wall of the fixed groove 202 is fixedly connected with one end of a second spring 15, the second spring 15 is wound on a pressure lever 16, and the other end of the second spring 15 is fixedly connected with the pressure lever 16.

When pressure is too big, stopper 4 promotes to the highest position, and valve rod 6 top contact depression bar 16 extrudees it, pushes it fixed slot 202 contact switch 14, makes warning light 13 light, reminds the staff too big to inspect of pressure, and after pressure reduced, valve rod 6 moved down, and depression bar 16 breaks away from switch 14 under the effect of second spring 15 and makes warning light 13 extinguish.

The working principle is as follows: when the pressure relief valve is used, a pressure sensor 11 on the bottom surface of a sealing block 10 in a pressure relief opening 101 in a valve body 1 of the pressure relief valve can display a current pressure value on a display screen 1201 in real time, an operator can adjust the position of a limiting block 4 of an electric telescopic rod 3 through an adjusting key 1202 to enable the sealing block 10 to drive a valve rod 6 to move upwards, so that a round block 5 contacts the limiting block 4 to adjust the opening and closing size of the pressure relief opening 101 to carry out continuous and stable pressure relief, pipeline damage caused by pressure shock is avoided, the valve rod 6 moves in a through hole 701 to extrude a first spring 9, impact force is relieved under the buffer action of the first spring 9, and damage to the inside of equipment is prevented; when pressure is too big, stopper 4 promotes to the highest position, and valve rod 6 top contact depression bar 16 extrudees it, pushes it fixed slot 202 contact switch 14, makes warning light 13 light, reminds the staff too big to inspect of pressure, and after pressure reduced, valve rod 6 moved down, and depression bar 16 breaks away from switch 14 under the effect of second spring 15 and makes warning light 13 extinguish.

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 high pressure resistant relief valve, includes relief valve body (1), relief valve body (1) inside is equipped with pressure release mouth (101), its characterized in that:

the top of the pressure reducing valve body (1) is fixedly connected with a fixed top cover (2), the inner top surface of the fixed top cover (2) is symmetrically and fixedly connected with one ends of two electric telescopic rods (3), the other end of each electric telescopic rod (3) is fixedly connected with the top surface of a limiting block (4), the bottom surface of each limiting block (4) contacts with the top surface of a round block (5), each round block (5) is fixedly connected with one end of a valve rod (6), the other end of each valve rod (6) penetrates through a moving hole (201) in the inner bottom surface of the fixed top cover (2) and is fixedly connected with the top surface of a sealing block (10), and the sealing block (10) is clamped in a pressure relief opening (101);

fixed plate (7) of rigid coupling on relief pressure valve body (1) inner wall, be equipped with through-hole (701) on fixed plate (7), joint valve rod (6) in through-hole (701), fixed plate (7) bottom surface rigid coupling sealing washer (8), sealing washer (8) inner circle contact valve rod (6), fixed plate (7) top surface rigid coupling first spring (9) one end, first spring (9) winding is on valve rod (6), top cap (2) bottom surface is fixed to first spring (9) other end rigid coupling.

2. A high pressure tolerant pressure relief valve as claimed in claim 1, wherein: the diameter of the round block (5) is smaller than the diameter between the inner walls of the fixed top covers (2).

3. A high pressure tolerant pressure relief valve as claimed in claim 1, wherein: the bottom surface of the sealing block (10) is fixedly connected with a pressure sensor (11).

4. A high pressure tolerant pressure relief valve as claimed in claim 1, wherein: the outer wall of the fixed top cover (2) is provided with a control panel (12), and the control panel (12) is provided with a display screen (1201) and an adjusting key (1202) for controlling the electric telescopic rod (3).

5. A high pressure tolerant pressure relief valve as claimed in claim 1, wherein: fixed top cap (2) top surface is equipped with warning light (13), fixed top cap (2) inner top surface is equipped with fixed slot (202), the bottom is equipped with switch (14) of control warning light (13) in fixed slot (202), rigid coupling second spring (15) one end on fixed slot (202) inner wall, second spring (15) winding is on depression bar (16), second spring (15) other end rigid coupling is on depression bar (16).