CN214999765U

CN214999765U - Low-noise control valve

Info

Publication number: CN214999765U
Application number: CN202120856301.XU
Authority: CN
Inventors: 郭晓平; 冯涛; 房慧琪
Original assignee: Jiangsu Chenggong Valve Technology Co ltd
Current assignee: Jiangsu Chenggong Valve Technology Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-12-03
Anticipated expiration: 2031-04-25

Abstract

The utility model belongs to the technical field of the valve, concretely relates to low noise control valve, which comprises a valve body, the pipeline interface of two symmetric distributions of inside fixedly connected with of valve body, the inside of valve body is rotated and is connected with the case, case and pipeline interface contact, the bottom fixedly connected with of case rotates the seat, rotate the surface of seat and seted up first annular, first sealing washer has been cup jointed to the inboard of first annular, the top fixedly connected with pivot of case, the pivot is rotated and is connected in the inside of valve body, the second annular has been seted up on the surface of pivot. The utility model discloses a design a plurality of sizes the same through-holes of making an uproar that fall on the case to and parts such as shifting chute, recess, guide block, buffer board, spring, can effectually alleviate the gaseous impact force in the twinkling of an eye of ventilating and shunt to gas, make the effect of making an uproar more obvious.

Description

Low-noise control valve

Technical Field

The utility model relates to the technical field of valves, specifically a low noise control valve.

Background

The gas valve is a novel safety matching device for gas pipeline engineering. The gas valve is used for cutting off, connecting and regulating gas in a pipeline, and has good control characteristics and closing sealing performance. It is suitable for various fuel gas medium pipelines such as city gas, liquefied petroleum gas, natural gas and oxygen. Because the velocity of flow of natural gas in the pipeline is very fast, can the noise appear in the moment of opening the valve, the low noise control valve can be selected to the valve that generally adopts.

At present, the existing low-noise control valve has the defects of unobvious noise reduction effect, complex structure, inconvenient operation and very labor-consuming opening and closing of the valve. Therefore, improvements are needed.

Disclosure of Invention

An object of the utility model is to provide a low noise control valve has solved the not obvious and hard problem very of switch of valve of noise reduction effect.

In order to achieve the above object, the utility model provides a following technical scheme: a low-noise control valve comprises a valve body, wherein two symmetrically distributed pipeline interfaces are fixedly connected inside the valve body, a valve core is rotatably connected inside the valve body and is in contact with the pipeline interfaces, a rotating seat is fixedly connected at the bottom of the valve core, a first annular groove is formed in the surface of the rotating seat, a first sealing ring is sleeved on the inner side of the first annular groove, a rotating shaft is fixedly connected at the top of the valve core and is rotatably connected inside the valve body, a second annular groove is formed in the surface of the rotating shaft, a second sealing ring is sleeved on the inner side of the second annular groove, a square clamping groove is formed in the rotating shaft, a square clamping block is clamped inside the square clamping groove, a handle is fixedly connected on the square clamping block, an accommodating groove is formed in the handle, a support shaft is fixedly connected on the inner side of the accommodating groove, and an extension handle is rotatably connected outside the support shaft, the novel valve is characterized in that a noise reduction through hole is formed in the valve core, four moving grooves are uniformly distributed in the valve core, a guide block is connected to the inside of each moving groove in a sliding mode, a buffer plate is fixedly connected to each guide block, a spring is arranged on the inner side of each moving groove, and a groove is formed in the valve core.

Preferably, a rotating groove is formed in the bottom of the inner side of the valve body, a rotating seat is rotatably connected to the inside of the rotating groove, and the inner surface of the rotating groove is in contact with the first sealing ring.

Preferably, a rotating hole is formed in the valve body, a rotating shaft is rotatably connected to the inside of the rotating hole, and the inner surface of the rotating hole is in contact with the second sealing ring.

Preferably, the number of the noise reduction through holes is multiple, and the noise reduction through holes are uniformly distributed in the valve core.

Preferably, one end of the spring is fixedly connected with the guide block, and the other end of the spring is fixedly connected with the inner surface of the moving groove.

Preferably, the number of the grooves is two, and the two grooves are symmetrically distributed on the valve core.

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

1. the utility model discloses a design a plurality of sizes the same through-holes of making an uproar that fall on the case to and parts such as shifting chute, recess, guide block, buffer board, spring, can effectually alleviate the gaseous impact force in the twinkling of an eye of ventilating and shunt to gas, make the effect of making an uproar more obvious.

2. The utility model discloses a design parts such as square fixture block, handle, accomodate groove, back shaft, extension handle, with pivot on the case and the cooperation of the square draw-in groove in the pivot, constitute the structure to the control switch of valve body, not only convenient operation can prolong moment, laborsaving very moreover.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

fig. 2 is a front cross-sectional view of fig. 1 of the present invention;

fig. 3 is an enlarged view of the structure of part a of fig. 1 according to the present invention;

fig. 4 is a side view of the valve cartridge of fig. 2 according to the present invention.

In the figure: 1. a valve body; 2. a pipe interface; 3. a valve core; 4. a rotating groove; 5. a rotating seat; 6. a first ring groove; 7. a first seal ring; 8. a rotating shaft; 9. a second ring groove; 10. a second seal ring; 11. rotating the hole; 12. a square clamping groove; 13. a square fixture block; 14. a handle; 15. a receiving groove; 16. a support shaft; 17. a handle is extended; 18. a noise reduction through hole; 19. a moving groove; 20. a guide block; 21. a buffer plate; 22. a spring; 23. and (4) a groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a low noise control valve comprises a valve body 1, two symmetrically distributed pipe joints 2 are fixedly connected to the inside of the valve body 1, a valve core 3 is rotatably connected to the inside of the valve body 1, the valve core 3 contacts the pipe joints 2, a rotating base 5 is fixedly connected to the bottom of the valve core 3, a first annular groove 6 is formed on the surface of the rotating base 5, a first sealing ring 7 is sleeved on the inner side of the first annular groove 6, a rotating shaft 8 is fixedly connected to the top of the valve core 3, the rotating shaft 8 is rotatably connected to the inside of the valve body 1, a second annular groove 9 is formed on the surface of the rotating shaft 8, a second sealing ring 10 is sleeved on the inner side of the second annular groove 9, a square clamping groove 12 is formed on the inside of the rotating shaft 8, a square clamping block 13 is clamped inside the square clamping groove 12, a handle 14 is fixedly connected to the square clamping block 13, a receiving groove 15 is formed on the handle 14, and a support shaft 16 is fixedly connected to the inner side of the receiving groove 15, the outside of back shaft 16 rotates and is connected with extension handle 17, and the through-hole 18 of making an uproar falls has been seted up to the inside of case 3, and four evenly distributed's shifting chute 19 has been seted up to the inside of case 3, and the inside sliding connection of every shifting chute 19 has guide block 20, common fixedly connected with buffer board 21 on every two guide blocks 20, and the inboard of every shifting chute 19 is provided with spring 22, sets up fluted 23 on the case 3.

Referring to fig. 2, a rotating groove 4 is formed at the bottom of the inner side of the valve body 1, a rotating seat 5 is rotatably connected inside the rotating groove 4, and the inner surface of the rotating groove 4 is in contact with a first sealing ring 7. The rotation of the rotating seat 5 is facilitated by the design of the rotating groove 4.

Referring to fig. 2, a rotation hole 11 is formed in the valve body 1, a rotation shaft 8 is rotatably connected to the inside of the rotation hole 11, and an inner surface of the rotation hole 11 contacts the second seal ring 10. The rotation of the rotating shaft 8 is facilitated by the design of the rotating hole 11.

Referring to fig. 2 and 4, the number of the noise reduction through holes 18 is multiple, and the noise reduction through holes 18 are uniformly distributed in the valve core 3. By the design of the noise reduction through holes 18, the natural gas can be branched.

Referring to fig. 3, one end of the spring 22 is fixedly connected to the guide block 20, and the other end of the spring 22 is fixedly connected to the inner surface of the moving groove 19. By the design of the spring 22, a reaction force can be exerted back to the damping plate 21.

Referring to fig. 2 and 4, the number of the grooves 23 is two, and the two grooves 23 are symmetrically distributed on the valve element 3. By the design of the groove 23, an installation space is left for the buffer plate 21.

The utility model discloses the concrete implementation process as follows: when the valve is used, the two pipeline interfaces 2 on the valve body 1 are connected with a natural gas pipeline, then natural gas is introduced, at the moment, the gas impacts the buffer plate 21, the buffer plate 21 drives the guide block 20 to slide in the moving groove 19 on the valve core 3, the spring 22 is compressed, the impact force of the gas at the moment of ventilation can be well relieved due to the design of the spring 22 and the buffer plate 21, the gas enters the noise reduction through hole 18 in the valve core 3 after being buffered, circulation is carried out, the gas is effectively divided by the design of the noise reduction through holes 18, the purpose of noise reduction is achieved, if the valve body 1 needs to be closed, the handle 14 is only needed to be held, the square clamping block 13 on the handle 14 is clamped into the square clamping groove 12 on the rotating shaft 8, then the extension handle 17 in the accommodating groove 15 on the handle 14 is rotated out, so that the extension handle 17 and the handle 14 are kept on the same straight line, then the extension handle 17 is held, then rotate extension handle 17, extension handle 17 drives handle 14 and rotates, and handle 14 drives square fixture block 13 and rotates, and square fixture block 13 drives pivot 8 with the cooperation of square draw-in groove 12 and rotates, and pivot 8 drives case 3 and rotates, and when case 3 rotated ninety degrees after, the shut down can, easy operation, convenience very.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A low noise control valve, includes valve body (1), its characterized in that: the inner part of the valve body (1) is fixedly connected with two symmetrically distributed pipeline interfaces (2), the inner part of the valve body (1) is rotatably connected with a valve core (3), the valve core (3) is contacted with the pipeline interfaces (2), the bottom of the valve core (3) is fixedly connected with a rotating seat (5), a first annular groove (6) is formed in the surface of the rotating seat (5), a first sealing ring (7) is sleeved on the inner side of the first annular groove (6), a rotating shaft (8) is fixedly connected with the top of the valve core (3), the rotating shaft (8) is rotatably connected with the inner part of the valve body (1), a second annular groove (9) is formed in the surface of the rotating shaft (8), a second sealing ring (10) is sleeved on the inner side of the second annular groove (9), a square clamping groove (12) is formed in the inner part of the rotating shaft (8), and a square clamping block (13) is clamped in the inner part of the square clamping groove (12), the novel anti-noise valve is characterized in that a handle (14) is fixedly connected to the square clamping block (13), a containing groove (15) is formed in the handle (14), a supporting shaft (16) is fixedly connected to the inner side of the containing groove (15), an extending handle (17) is rotatably connected to the outer portion of the supporting shaft (16), a noise reduction through hole (18) is formed in the valve core (3), four moving grooves (19) which are uniformly distributed are formed in the valve core (3), a guide block (20) is slidably connected to the inner portion of each moving groove (19), a buffer plate (21) is fixedly connected to each guide block (20) jointly, a spring (22) is arranged on the inner side of each moving groove (19), and a groove (23) is formed in the valve core (3).

2. A low noise control valve according to claim 1, wherein: the rotary valve is characterized in that a rotary groove (4) is formed in the bottom of the inner side of the valve body (1), a rotary seat (5) is rotatably connected to the inside of the rotary groove (4), and the inner surface of the rotary groove (4) is in contact with a first sealing ring (7).

3. A low noise control valve according to claim 1, wherein: the rotary valve is characterized in that a rotary hole (11) is formed in the valve body (1), a rotary shaft (8) is rotatably connected to the inside of the rotary hole (11), and the inner surface of the rotary hole (11) is in contact with a second sealing ring (10).

4. A low noise control valve according to claim 1, wherein: the number of the noise reduction through holes (18) is multiple, and the noise reduction through holes (18) are uniformly distributed in the valve core (3).

5. A low noise control valve according to claim 1, wherein: one end of the spring (22) is fixedly connected with a guide block (20), and the other end of the spring (22) is fixedly connected with the inner surface of the moving groove (19).

6. A low noise control valve according to claim 1, wherein: the number of the grooves (23) is two, and the two grooves (23) are symmetrically distributed on the valve core (3).