CN220185921U - Butterfly check valve of noise reduction - Google Patents
Butterfly check valve of noise reduction Download PDFInfo
- Publication number
- CN220185921U CN220185921U CN202320655469.3U CN202320655469U CN220185921U CN 220185921 U CN220185921 U CN 220185921U CN 202320655469 U CN202320655469 U CN 202320655469U CN 220185921 U CN220185921 U CN 220185921U
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- Prior art keywords
- pipe
- noise reduction
- valve
- fixedly connected
- noise
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- 230000009467 reduction Effects 0.000 title claims abstract description 46
- 229920000742 Cotton Polymers 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 11
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Abstract
The utility model is applicable to the technical field of check valve structures, and provides a butterfly check valve for reducing noise. This butterfly check valve of noise reduction through setting up the pipe of making an uproar and making an uproar ring falls, and this check valve will fall the pipe of making an uproar and install in the front end of valve body, and the inside of falling the pipe of making an uproar is provided with a plurality of communicating pipes, and the thread groove has been seted up to the inside of communicating pipe, at the in-process of rivers through communicating pipe, will receive certain resistance, thereby by the speed reduction, after it gets into the valve body inside through falling the pipe of making an uproar, just be difficult for producing the noise after the water velocity drops its contact with the valve block, and fall the ring then wraps up the surface of valve body, and fill soundproof cotton etc. material in its inside, with this effect that plays a sound insulation, further noise reduction, thereby improved the practicality of this stagnant water valve.
Description
Technical Field
The utility model belongs to the technical field of check valve structures, and particularly relates to a butterfly check valve capable of reducing noise.
Background
The check valve is a valve with a circular valve clack as an opening and closing part and can stop the medium from flowing backwards by the action of the self weight and the medium pressure. Belongs to automatic valves, which are also called check valves, one-way valves, reflux valves or isolation valves. The movement modes of the valve clack are divided into a lifting type and a swing type. The lifting check valve is similar to a stop valve in structure, and only lacks a valve rod for driving the valve clack. The medium flows in from the inlet end (lower side) and flows out from the outlet end (upper side). When the inlet pressure is greater than the sum of the valve flap weight and its flow resistance, the valve is opened. Otherwise, the valve is closed when the medium flows backwards. The swing check valve has a valve clack which is inclined and can rotate around the shaft, and the working principle is similar to that of the lifting check valve. Check valves are commonly used as bottom valves for pumping devices to prevent backflow of water. The check valve and the stop valve are combined for use, so that the safety isolation function can be realized.
Butterfly check valve plays the effect of blocking to rivers through valve block and choked flow ring, but its in-process of using, when the rivers velocity of flow is too fast, thereby rivers can produce the friction with the valve block surface and cause the noise to this kind of noise is continuous, long-time so can influence people's normal work.
Disclosure of Invention
The utility model provides a butterfly check valve for reducing noise, which aims to solve the problems that when the flow speed is too high, water flow can rub against the surface of a valve plate to cause noise, the noise is continuous, and the normal work of people is influenced for a long time.
The utility model is realized in such a way that a butterfly check valve for reducing noise comprises a valve tube, a noise reducing tube and a noise reducing ring; flange rings are fixedly connected to the two ends of the valve pipe and the noise reduction pipe, and the noise reduction pipe is fixedly connected to the front end surface of the valve pipe through the flange rings; the front end and the rear end of the inner cavity of the noise reduction pipe are fixedly connected with device plates, one side surfaces of the two device plates are transversely and transversely penetrated and provided with a plurality of through holes, the through holes on the two device plates are respectively corresponding to each other, communication pipes are communicated between the two corresponding through holes, and the inner wall surfaces of the communication pipes are provided with thread grooves along the length direction; the noise reduction ring is fixedly connected to the outer surface of the valve pipe, an annular cavity is formed in the noise reduction ring, a plurality of separation rings are fixedly connected to the inside of the cavity, the separation rings divide the cavity into a plurality of filling cavities, and soundproof cotton is filled in the inside of each filling cavity.
Preferably, the inner cavity surface of the valve tube is fixedly connected with a flow blocking ring which is obliquely arranged, and the rear side surface of the flow blocking ring is fixedly connected with a sealing ring.
Preferably, the upper part of the valve tube inner cavity is transversely and fixedly connected with a connecting rod, the surface of the connecting rod is rotationally connected with a connecting seat, and the other end of the connecting seat is fixedly connected with a valve plate matched with the choke ring.
Preferably, the lower end of the rear side surface of the valve plate is fixedly connected with a balancing weight.
Preferably, the inner ends of the mounting holes of the plurality of flange rings are all outwards expanded to form the fixing groove.
Preferably, the valve tube, the noise reduction tube and the central axis of the noise reduction ring are all positioned on the same straight line.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that: according to the butterfly check valve for reducing noise, the noise reduction pipe and the noise reduction ring are arranged, the noise reduction pipe is arranged at the front end of the valve body, the plurality of communicating pipes are arranged in the noise reduction pipe, the threaded grooves are formed in the communicating pipes, a certain resistance is applied to water flow in the process of passing through the communicating pipes, the noise is reduced, after the water flow enters the valve body through the noise reduction pipe, the water flow speed is reduced, the noise is not easy to generate after the water flow is contacted with the valve plate, the noise reduction ring wraps the outer surface of the valve body, and materials such as soundproof cotton are filled in the noise reduction ring, so that the noise is further reduced, and the practicability of the water stop valve is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a schematic view of a choke ring according to the present utility model;
fig. 3 is a schematic cross-sectional view of a communication pipe according to the present utility model.
In the figure: 1. a valve tube; 2. a noise reduction tube; 3. a flange ring; 4. a choke ring; 5. a connecting rod; 6. a connecting seat; 7. a valve plate; 8. balancing weight; 9. a noise reduction ring; 10. a spacer ring; 11. soundproof cotton; 12. a device tray; 13. a communicating pipe; 14. a thread groove; 15. a fixing groove; 16. and (3) a sealing ring.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: a butterfly check valve for noise reduction comprises a valve tube 1, a noise reduction tube 2 and a noise reduction ring 9; the two ends of the valve pipe 1 and the noise reduction pipe 2 are fixedly connected with flange rings 3, and the noise reduction pipe 2 is fixedly connected to the front end surface of the valve pipe 1 through the flange rings 3; the front end and the rear end of the inner cavity of the noise reduction pipe 2 are fixedly connected with device discs 12, one side surfaces of the two device discs 12 are transversely and transversely penetrated and provided with a plurality of through holes, the plurality of through holes on the two device discs 12 are respectively corresponding to each other, communicating pipes 13 are communicated between the two corresponding through holes, and the inner wall surfaces of the plurality of communicating pipes 13 are provided with thread grooves 14 along the length direction; the noise reduction ring 9 is fixedly connected to the outer surface of the valve pipe 1, an annular cavity is formed in the noise reduction ring 9, a plurality of separation rings 10 are fixedly connected to the cavity, the cavity is divided into a plurality of filling cavities by the plurality of separation rings 10, and soundproof cotton 11 is filled in each filling cavity.
The central axes of the valve pipe 1, the noise reduction pipe 2 and the noise reduction ring 9 are all positioned on the same straight line.
In this embodiment, this check valve will fall the noise pipe 2 and install in the front end of valve pipe 1, the inside of falling the noise pipe 2 is provided with a plurality of communicating pipes 13, the screw groove 14 has been seted up to the inside of communicating pipe 13, in the in-process of rivers through communicating pipe 13, will receive certain resistance under the effect of screw groove 14, thereby by the speed reduction, make rivers get into the valve body inside through falling the noise pipe 2 after, the water velocity decline, it just is difficult for producing the noise after contacting with valve block 7, and fall the ring 9 of making an uproar then wraps up the surface of valve body, and fill materials such as soundproof cotton 11 in its inside, soundproof cotton 11 is porous material, the sound insulation effect is better, thereby play a sound insulation effect, further noise reduction, thereby the practicality of this stagnant water valve has been improved.
Further, the inner cavity surface of the valve tube 1 is fixedly connected with a flow blocking ring 4 which is obliquely arranged, and the rear side surface of the flow blocking ring 4 is fixedly connected with a sealing ring 16.
The upper part of the inner cavity of the valve tube 1 is transversely and fixedly connected with a connecting rod 5, the surface of the connecting rod 5 is rotationally connected with a connecting seat 6, and the other end of the connecting seat 6 is fixedly connected with a valve plate 7 which is matched with the choke ring 4.
In this embodiment, after the water flow enters the valve tube 1 through the noise reduction tube 2, the valve plate 7 is pushed to be opened under the thrust action of the water flow, the water flow can flow through the gap between the choke ring 4 and the valve plate 7 at this moment, and after the water flow stops, the valve plate 7 returns under the action of self gravity and is attached to the choke ring 4 again, so that the backflow prevention effect can be achieved.
The seal ring 16 is made of rubber, and improves the sealing effect of the valve.
Further, the lower end of the rear side surface of the valve plate 7 is fixedly connected with a balancing weight 8.
In this embodiment, the balancing weight 8 makes the lower end of the valve plate 7 heavier, so that it can reset faster and improve the sealing performance after reset.
Further, the inner ends of the mounting holes of the plurality of flange rings 3 are all flared to form a fixing groove 15.
In the present embodiment, the fixing groove 15 has a fixing function, and the inner surface thereof is rough, so that the screw can be prevented from slipping.
The working principle and the using flow of the utility model are as follows: this check valve will fall the noise pipe 2 and install in the front end of valve pipe 1, the inside of falling the noise pipe 2 is provided with a plurality of communicating pipes 13, the screw groove 14 has been seted up to the inside of communicating pipe 13, in the in-process of rivers through communicating pipe 13, will receive certain resistance under the effect of screw groove 14, thereby by the speed reduction, make rivers get into the valve body inside through falling the noise pipe 2 after, the water velocity descends, just be difficult for producing the noise after it contacts with valve block 7, and fall the ring 9 of making an uproar, and wrap up the surface of valve body, and fill materials such as soundproof cotton 11 in its inside, soundproof cotton 11 is porous material, the sound insulation effect is better, thereby play a sound insulation effect, further noise reduction, thereby the practicality of this stagnant water valve has been improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. A butterfly check valve for noise reduction, characterized in that: comprises a valve pipe (1), a noise reduction pipe (2) and a noise reduction ring (9);
flange rings (3) are fixedly connected to the two ends of the valve pipe (1) and the noise reduction pipe (2), and the noise reduction pipe (2) is fixedly connected to the front end surface of the valve pipe (1) through the flange rings (3);
the front end and the rear end of the inner cavity of the noise reduction pipe (2) are fixedly connected with device discs (12), one side surfaces of the two device discs (12) are transversely and transversely provided with a plurality of through holes, the through holes on the two device discs (12) are respectively corresponding to each other, communication pipes (13) are communicated between the two corresponding through holes, and the inner wall surfaces of the communication pipes (13) are provided with threaded grooves (14) along the length direction;
the noise reduction ring (9) is fixedly connected to the outer surface of the valve pipe (1), an annular cavity is formed in the noise reduction ring (9), a plurality of separation rings (10) are fixedly connected to the cavity, the separation rings (10) divide the cavity into a plurality of filling cavities, and soundproof cotton (11) are filled in the filling cavities.
2. A noise-reducing butterfly check valve according to claim 1, wherein: the inner cavity surface of the valve pipe (1) is fixedly connected with a flow blocking ring (4) which is obliquely arranged, and the rear side surface of the flow blocking ring (4) is fixedly connected with a sealing ring (16).
3. A noise-reducing butterfly check valve according to claim 2, wherein: the upper part of the inner cavity of the valve tube (1) is transversely and fixedly connected with a connecting rod (5), the surface of the connecting rod (5) is rotationally connected with a connecting seat (6), and the other end of the connecting seat (6) is fixedly connected with a valve plate (7) which is matched with the choke ring (4).
4. A noise-reducing butterfly check valve according to claim 3, wherein: the lower end of the rear side surface of the valve plate (7) is fixedly connected with a balancing weight (8).
5. A noise-reducing butterfly check valve according to claim 1, wherein: the inner ends of the mounting holes of the flange rings (3) are outwards expanded to form fixing grooves (15).
6. A noise-reducing butterfly check valve according to claim 1, wherein: the valve tube (1), the noise reduction tube (2) and the central axis of the noise reduction ring (9) are all positioned on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320655469.3U CN220185921U (en) | 2023-03-29 | 2023-03-29 | Butterfly check valve of noise reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320655469.3U CN220185921U (en) | 2023-03-29 | 2023-03-29 | Butterfly check valve of noise reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220185921U true CN220185921U (en) | 2023-12-15 |
Family
ID=89107961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320655469.3U Active CN220185921U (en) | 2023-03-29 | 2023-03-29 | Butterfly check valve of noise reduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220185921U (en) |
-
2023
- 2023-03-29 CN CN202320655469.3U patent/CN220185921U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240305 Address after: Room 201, 2nd Floor, Building 21, No. 6999 Chuansha Road, Pudong New Area, Shanghai, February 2012 Patentee after: You call me Ying Technology (Shanghai) Co.,Ltd. Country or region after: China Address before: 112000 Tieling Economic Development Zone, Tieling City, Liaoning Province Patentee before: TIELING LIANGGONG VALVE Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |