CN215721198U

CN215721198U - Water hammer silencer

Info

Publication number: CN215721198U
Application number: CN202121497684.2U
Authority: CN
Inventors: 冯育羡; 丁言飞
Original assignee: Guangdong Huayi Sanitary Ware Industrial Co ltd
Current assignee: Guangdong Huayi Sanitary Ware Industrial Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-02-01
Anticipated expiration: 2031-07-02

Abstract

The utility model relates to a water hammer silencer, which comprises a water outlet pipe and a buffer joint, wherein the water outlet pipe and the buffer joint are connected together through a water outlet joint; a water outlet channel is formed between the outer wall of the buffer joint and the inner wall of the water outlet pipe, and two ends of the water outlet channel are respectively communicated with the buffer water outlet and the water outlet correspondingly; a buffer rubber ring is arranged in the buffer joint, and the buffer rubber ring is provided with a buffer cavity which can be elastically enlarged and restored to the original state and is communicated with the buffer water inlet; when the pressure of the water entering the water inlet is suddenly increased, the buffer cavity is impacted, the elasticity of the buffer cavity is increased, and then the buffer cavity is restored to the original shape. The utility model has the advantages of simple structure, noise reduction and shock absorption, and can reduce or avoid the water hammer phenomenon.

Description

Water hammer silencer

Technical Field

The utility model relates to the field of faucets, in particular to a water hammer silencer.

Background

At present, in a tap water pipeline system, a country vigorously popularizes and uses a fast-opening and closing faucet, so that the problem of water resource waste is solved to a certain extent, but the problem of water hammer is caused. The water hammer phenomenon is that when the water tap is quickly closed and stops water outlet, the water flow speed in the pipeline is immediately reduced due to the over-quick closing of the valve, backflow easily occurs, the water flow can form shock waves, vibration of the pipeline is caused, noise is generated, and even the pipeline can be cracked when the water flow is serious. Most of the existing water hammer silencers are complex in structure, so that the structure of the existing water hammer silencer needs to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a water hammer silencer which is simple in structure, and can be used for silencing and damping.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a water hammer silencer comprises a water outlet pipe and a buffering joint which are connected together through a water outlet joint, wherein the water outlet pipe is provided with a water inlet and a water outlet, the buffering joint is provided with a buffering water inlet and a buffering water outlet, the buffering water outlet is arranged on the side wall of the buffering joint, and the buffering water inlet is respectively communicated with the water inlet and the buffering water outlet; a water outlet channel is formed between the outer wall of the buffer joint and the inner wall of the water outlet pipe, and two ends of the water outlet channel are respectively communicated with the buffer water outlet and the water outlet correspondingly; a buffer rubber ring is arranged in the buffer joint, and the buffer rubber ring is provided with a buffer cavity which can be elastically enlarged and restored to the original state and is communicated with the buffer water inlet; when the pressure of the water entering the water outlet pipe is suddenly increased, the buffer cavity is impacted, the elasticity of the buffer cavity is increased, and then the buffer cavity is restored to the original shape.

The utility model can be improved by the following scheme:

furthermore, a corrugated part is formed on the buffering rubber ring, the corrugated part forms the buffering cavity, and one end of the buffering cavity facing the buffering water inlet is provided with a buffering opening; water flows through the buffer opening into the buffer chamber so that the fold is deformed and stretched.

Furthermore, a clamping sleeve is fixedly arranged in the buffer joint and provided with an air containing cavity, the folded part extends into the air containing cavity, an air containing opening is formed in one end, facing the buffer water inlet, of the air containing cavity, the buffer rubber ring covers the air containing opening to enable the air containing cavity to be closed, and the outer edge of the buffer rubber ring is located between the outer wall of the clamping sleeve and the inner wall of the buffer joint.

Furthermore, the tail end of the outer edge of the buffering rubber ring is provided with a protruding part, the outer wall of the clamping sleeve is provided with a groove corresponding to the protruding part, and the protruding part falls into the groove and is clamped with the groove.

Furthermore, a butting part is arranged in the buffer joint, and the clamping sleeve is inserted into the buffer joint and is fixedly installed in the buffer joint through a clamping spring after being butted with the butting part.

Furthermore, the inner wall of the water outlet connector is provided with a convex ring, the convex ring is close to the water inlet, the buffer connector is fixedly connected with the water outlet pipe, the convex ring is fixedly connected with the inner wall of the water outlet pipe, and the convex ring is fixedly connected with the outer wall of the buffer connector.

Furthermore, the inner wall of outlet pipe has first pit, first pit with be provided with first sealing washer between the protruding circle, the outer wall that the buffering connects has the second pit, the second pit with be provided with the second sealing washer between the protruding circle.

Further, the first sealing ring and the second sealing ring are both O-shaped rings.

The utility model has the advantages of simple structure, noise reduction and shock absorption, and can reduce or avoid the water hammer phenomenon.

Drawings

FIG. 1 is an exploded view of a water hammer silencer according to an embodiment.

FIG. 2 is a sectional view of the water hammer silencer in the embodiment.

In the figure, the position of the upper end of the main shaft,

1. a first seal ring;

2. a water outlet joint; 21. a convex ring;

3. a second seal ring;

4. a buffer joint; 41. a buffer water inlet; 42. a buffer water outlet; 43. a butting part;

5. a buffer rubber ring; 51. a wrinkle part; 52. an outer edge; 521. a boss portion; 53. a buffer chamber; 531. a buffer opening;

6. a card sleeve; 61. an air containing cavity; 62. an air containing opening; 63. a groove;

7. a clamp spring;

8. a water outlet pipe; 81. a water inlet; 82. a water outlet;

9. and a water outlet channel.

Detailed Description

Referring to fig. 1 and 2, the present invention provides a water hammer silencer, which includes a water outlet pipe 8 and a buffer joint 4 connected together through a water outlet joint 2, wherein the water outlet pipe 8 has a water inlet 81 and a water outlet 82, the buffer joint 4 has a buffer water inlet 41 and a buffer water outlet 42, the buffer water outlet 42 is disposed on a side wall of the buffer joint 4, and the buffer water inlet 41 is respectively communicated with the water inlet 81 and the buffer water outlet 42; a water outlet channel 9 is formed between the outer wall of the buffer joint 4 and the inner wall of the water outlet pipe 8, and two ends of the water outlet channel 9 are respectively and correspondingly communicated with the buffer water outlet 42 and the water outlet 82; a buffer rubber ring 5 is arranged in the buffer joint 4, the buffer rubber ring 5 is provided with a buffer cavity 53, and the buffer cavity 53 can be elastically enlarged and can be restored to the original state and is communicated with the buffer water inlet 41; when the pressure of the water entering the water outlet pipe is suddenly increased, the buffer cavity 53 is impacted by the water flow, so that the elasticity is increased, and then the buffer cavity 53 is restored.

The common use mode of the water hammer silencer is that tap water flows through the buffer water inlet 41, the water inlet 81, the buffer water outlet 42 and the water outlet channel 9 in sequence and finally flows out of the water outlet 82, in the process, when the pressure of the tap water is suddenly increased, the buffer cavity 53 is impacted by water flow and the elasticity is increased, and then the buffer cavity 53 is restored to the original shape at the elasticity of the buffer cavity 53.

The water hammer muffler can also be installed reversely, namely tap water flows through the water outlet 82, the water outlet channel 9, the buffering water outlet 42 and the water inlet 81 in sequence and finally flows out of the buffering water inlet 41, in the process, when the pressure of the tap water is suddenly increased, the buffering cavity 53 can be impacted by water flow to increase the elasticity, and then the buffering cavity 53 is restored to the original state at the elasticity of the buffering cavity 53 and the using effect is not influenced.

The buffering rubber ring 5 is provided with a corrugated part 51, the corrugated part 51 forms a buffering cavity 53, and one end of the buffering cavity 53 facing the buffering water inlet 41 is provided with a buffering opening 531; the water flows through the buffer openings 531 into the buffer chamber 53 so that the bellows 51 is deformed and stretched. The water hammer silencer is arranged in the water faucet for use, when the water hammer silencer is used, the corrugated portion 51 is impacted by water flow to deform and move towards the direction far away from the buffering water inlet 41, then the corrugated portion 51 is restored to the original state to enable the water flow to move towards the direction close to the buffering water inlet 41, and the reciprocating change of the corrugated portion 51 enables the water flow to move up and down to achieve dynamic balance. By adopting the structure, the water hammer phenomenon can be reduced or avoided, and the noise and shock absorption can be realized.

Preferably, the corrugated portion 51 is vertically aligned with the buffer inlet 41, so that the buffering effect is enhanced.

Specifically, the clamping sleeve 6 is fixedly arranged in the buffer joint 4, the clamping sleeve 6 is provided with an air containing cavity 61, the corrugated portion 51 extends into the air containing cavity 61, one end, facing the buffer water inlet 41, of the air containing cavity 61 is provided with an air containing opening 62, the buffer rubber ring 5 is used for sealing the air containing opening 62 to enable the air containing cavity 61 to be closed, and the outer edge 52 of the buffer rubber ring 5 is located between the outer wall of the clamping sleeve 6 and the inner wall of the buffer joint 4. Air chamber 61 forms the closed and stressful environment, and the motion of water impact fold portion makes air in the air chamber compressed pressure increase and promote fold portion towards buffering water inlet direction motion like this, and fold portion also promotes rivers towards buffering water inlet direction motion simultaneously for the buffering effect further strengthens, further makes the water hammer phenomenon obtain reducing or avoid, amortization shock attenuation.

Specifically, the end of the outer edge 52 of the cushion rubber ring 5 is provided with a convex part 521, the outer wall of the cutting sleeve 6 is provided with a groove 63 corresponding to the convex part 521, and the convex part 521 falls into the groove 63 and is clamped with the groove 63.

Specifically, a butting part 43 is arranged in the buffer joint 4, and the clamping sleeve 6 is inserted into the buffer joint 4 and is fixedly installed in the buffer joint 4 through a clamping spring 7 after being butted with the butting part 43 through the buffer rubber ring 5.

Specifically, the inner wall of the water outlet connector 2 is provided with a convex ring 21, the convex ring 21 is close to the water inlet 81, the buffer connector 4 is fixedly connected with the water outlet pipe, the convex ring 21 is fixedly connected with the inner wall of the water outlet pipe 8, and the convex ring 21 is fixedly connected with the outer wall of the buffer connector 4. Therefore, the sealing performance between the buffer rubber ring and the clamping sleeve is enhanced, and the influence of water or air leakage on the buffer effect caused by air inlet of the air containing cavity is avoided.

Wherein, the inner wall of outlet pipe 8 has first pit, is provided with first sealing washer 1 between first pit and the bulge loop 21, and the outer wall that cushions joint 4 has the second pit, is provided with second sealing washer 3 between second pit and the bulge loop 21. The first sealing ring 1 and the second sealing ring 3 are both O-shaped rings.

The above embodiments are only preferred embodiments of the present invention, but the present invention is not limited thereto, and any other changes, modifications, substitutions, combinations, simplifications, and equivalents which do not depart from the spirit and principle of the present invention are all included in the scope of the present invention.

Claims

1. A water hammer silencer is characterized by comprising a water outlet pipe and a buffering joint which are connected together through a water outlet joint, wherein the water outlet pipe is provided with a water inlet and a water outlet, the buffering joint is provided with a buffering water inlet and a buffering water outlet, the buffering water outlet is arranged on the side wall of the buffering joint, and the buffering water inlet is respectively communicated with the water inlet and the buffering water outlet; a water outlet channel is formed between the outer wall of the buffer joint and the inner wall of the water outlet pipe, and two ends of the water outlet channel are respectively communicated with the buffer water outlet and the water outlet correspondingly; a buffer rubber ring is arranged in the buffer joint, and the buffer rubber ring is provided with a buffer cavity which can be elastically enlarged and restored to the original state and is communicated with the buffer water inlet; when the pressure of the water entering the water outlet pipe is suddenly increased, the buffer cavity is impacted, the elasticity of the buffer cavity is increased, and then the buffer cavity is restored to the original shape.

2. The water hammer silencer according to claim 1, wherein the cushion rubber ring is formed with a corrugated portion, the corrugated portion forms the cushion chamber, and one end of the cushion chamber facing the cushion water inlet is provided with a cushion opening; water flows through the buffer opening into the buffer chamber so that the fold is deformed and stretched.

3. The water hammer silencer according to claim 1 or 2, wherein a clamping sleeve is fixedly arranged in the buffering connector, the clamping sleeve is provided with an air containing cavity, the folded part extends into the air containing cavity, one end of the air containing cavity facing the buffering water inlet is provided with an air containing opening, the buffering rubber ring covers the air containing opening to enable the air containing cavity to be closed, and the outer edge of the buffering rubber ring is located between the outer wall of the clamping sleeve and the inner wall of the buffering connector.

4. The water hammer silencer according to claim 3, wherein the outer edge of the cushion rubber ring has a protrusion at a distal end thereof, the ferrule has a groove corresponding to the protrusion on an outer wall thereof, and the protrusion falls into and engages with the groove.

5. The water hammer silencer according to claim 4, wherein a butt portion is provided in the cushion joint, and the ferrule is inserted into the cushion joint, abuts against the butt portion through the cushion rubber ring, and is fixedly installed in the cushion joint through a snap spring.

6. The water hammer silencer according to claim 5, wherein the inner wall of the water outlet connector is provided with a convex ring, the convex ring is close to the water inlet, the buffer connector is fixedly connected with the inner wall of the water outlet pipe, and the convex ring is fixedly connected with the outer wall of the buffer connector.

7. The water hammer silencer according to claim 6, wherein the inner wall of the water outlet pipe has a first recess, a first sealing ring is disposed between the first recess and the collar, the outer wall of the buffer joint has a second recess, and a second sealing ring is disposed between the second recess and the collar.

8. The water hammer damper of claim 7, wherein the first and second seal rings are O-rings.