CN215805107U

CN215805107U - Booster pump with silencing device

Info

Publication number: CN215805107U
Application number: CN202121570356.0U
Authority: CN
Inventors: 罗庭剑; 史鑫; 余锋
Original assignee: Guangdong Shuihudun Health Technology Co Ltd
Current assignee: Guangdong Shuihudun Health Technology Co Ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-02-11
Anticipated expiration: 2031-07-09

Abstract

The utility model relates to a booster pump with a silencer. The booster pump with the silencer comprises a drainage channel and the silencer, wherein the silencer is inserted in the drainage channel; silencing device includes center tube and elastic sleeve, and the elastic sleeve cover is established in the center tube outside, and the first end of center tube is provided with first water inlet, and the second end of center tube is provided with first drain port, first water inlet and drainage channel's the end intercommunication of intaking, first drain port and drainage channel's drainage end intercommunication. According to the booster pump with the silencer, the silencer is arranged in the drainage channel, so that noise generated by impact of water flow and a pipe wall is effectively reduced.

Description

Booster pump with silencing device

Technical Field

The utility model relates to the technical field of water treatment equipment, in particular to a booster pump with a silencer.

Background

With the technological progress, people have higher and higher requirements on daily drinking water, so that various water treatment equipment is more and more, and at present, the water treatment equipment is commonly used for pressurizing water by adopting a pressurizing pump and preparing purified water by a reverse osmosis membrane; with the continuous development of the water purification market, the application of the large-flux water treatment equipment is more and more extensive, and the vibration and the noise caused by the vibration caused by the feed of the booster pump and the increase of the passing water amount are the main problems of the existing large-flux water treatment equipment.

Vibration and noise are often generated in high-pressure fluid pipelines, which brings environmental noise pollution and pipeline safety hidden dangers, and the harmfulness is particularly serious under the condition that a fluid valve is suddenly opened and closed or the condition that fluid flows in a pulse mode.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model provides the booster pump with the silencer, and the silencer is arranged in the booster pump with the silencer through the water outlet of the booster pump, so that the noise generated between water flow and the inner wall of the pipeline is effectively avoided.

The booster pump with the silencer comprises a drainage channel and the silencer, wherein the silencer is inserted in the drainage channel;

the silencer comprises a central pipe and an elastic sleeve, wherein the elastic sleeve is sleeved outside the central pipe, a first water inlet is formed in the first end of the central pipe, a first water outlet is formed in the second end of the central pipe, the first water inlet is communicated with the water inlet end of the drainage channel, and the first water outlet is communicated with the drainage end of the drainage channel.

Furthermore, a cover body is arranged inside the drainage channel, a flow guide channel is formed inside the cover body, the first drainage port is inserted into the flow guide channel through the water inlet end of the flow guide channel, and the drainage end of the flow guide channel forms a drainage port of the drainage channel.

Furthermore, the end face of the water inlet end of the flow guide channel forms a first abutting face, the end face of the elastic sleeve, which is close to the first water discharge port, forms a second abutting face, and the first abutting face abuts against the second abutting face.

Further, a first annular bulge is arranged on the first abutting surface and abuts against the second abutting surface.

Furthermore, the outer side of the cover body is also provided with an abutting piece, an abutting block protruding inwards is arranged on the inner side wall of the drainage end of the drainage channel, and the end part of the abutting piece abuts against the abutting block.

Furthermore, the inner side wall of the drainage channel is provided with a butt joint groove, the butt joint groove is positioned on the inner side of the butt joint block, and the end part of the butt joint piece is accommodated in the butt joint groove and is in butt joint with the butt joint block.

Further, the abutment member extends gradually outward in the direction of its end.

Furthermore, a sealing ring is arranged on the end surface, close to the water inlet end of the flow guide channel, of the cover body, the first end of the sealing ring is connected with the cover body, and the extending direction of the second end of the sealing ring is perpendicular to the first abutting surface;

the inner side wall of the sealing ring forms an annular third abutting surface, the outer side surface of the elastic sleeve close to the first drainage port forms a fourth abutting surface, and the third abutting surface abuts against the fourth abutting surface.

Further, the fourth abutting surface is provided with a second annular bulge, and the second annular bulge abuts against the third abutting surface.

Furthermore, a first boss is arranged on the outer side surface of the elastic sleeve, and the second end surface of the sealing ring is abutted to the first boss.

The booster pump with the silencer is used for silencing by arranging the silencer in the drainage channel, the cover body is arranged to fix the silencer in the drainage channel, the first abutting surface of the cover body abuts against the first abutting surface of the silencer to prevent the silencer from sliding out of the first drainage port, the abutting piece on the cover body abuts against the inner side wall of the drainage channel to limit the position of the cover body, and further to ensure the stable arrangement of the silencer, the cover body further comprises a sealing ring, and a plurality of annular bulges are arranged on the abutting part of the silencer and the inner side wall of the sealing ring, so that the cover body and the silencer are tightly pressed against each other to avoid mechanical vibration caused by water flow impact in the water guide process.

For a better understanding and implementation, the technical solutions of the present invention are described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic cross-sectional view of a booster pump with a silencer assembly according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a silencer assembly according to an embodiment of the utility model;

FIG. 3 is an enlarged, partial cross-sectional view of a cover according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a drain nozzle according to an embodiment of the present invention.

In the figure, 1, a drainage channel; 2. a cover body; 21. a flow guide channel; 22. a first abutting surface; 221. a second annular projection; 23. an abutting member; 24. a seal ring; 241. a third abutting surface; 3. a silencer device; 31. a central tube; 311. a first water inlet; 312. a first drain port; 313a, a first space; 313b, a second space; 314a, a first via hole; 314b, second through holes; 315a, a second boss; 315b, a third boss; 316. a separator; 32. an elastic sleeve; 321. a second abutting surface; 322. a first boss; 323. a first annular projection; 324a, a first rib; 324b, a second rib; 325. a fourth abutting surface; 33. an accommodating chamber; 4. a water discharge nozzle; 41. a limiting part; 411. a second water discharge port; 42. a plug-in part; 421. a second water inlet; 422. an elastic sheet; 423. an elastic gap; 424. a limiting block; 5. an elastic unit.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the relevant aspects of the present invention are shown in the drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In the following, several specific embodiments are given for describing the technical solution of the present application in detail. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

Referring to fig. 1, which is a schematic cross-sectional view of a booster pump with a silencer according to an embodiment of the present invention, the booster pump with a silencer in this embodiment includes a drainage channel 1, a cover 2, and a silencer 3, the silencer 3 is inserted into the drainage channel 1, the silencer 3 includes a central tube 31 and an elastic sleeve 32, the elastic sleeve 32 is sleeved outside the central tube 31, a first water inlet 311 is disposed at a first end of the central tube 31, a first water outlet 312 is disposed at a second end of the central tube 31, and the first water inlet 311 is communicated with a water inlet of the drainage channel 1. The water guiding channel 21 is disposed inside the cover body 2, the cover body 2 is inserted into the drainage channel 1, the first drainage port 312 is inserted into the water guiding channel 21 through the water inlet end of the water guiding channel 21, and the drainage end of the water guiding channel 21 forms a drainage port of the drainage channel 1. The end surface of the water inlet end of the diversion channel 21 forms a first abutting surface 22, the end surface of the elastic sleeve 32 close to the first water discharge port 312 forms a second abutting surface 321, and the first abutting surface 22 and the second abutting surface 321 are abutted and fixed, so that the silencer 3 is tightly abutted.

Referring to fig. 2, which is a schematic cross-sectional view of a silencer according to an embodiment of the present invention, in the silencer according to the embodiment, an elastic sleeve 32 is in a cylindrical structure matching with a shape of a central tube 31 and is sleeved outside the central tube 31.

The center pipe 31 has a first space 313a, a second space 313b, a first through hole 314a, and a second through hole 314b, the first space 313a and the second space 313b are independent from each other, the first through hole 314a communicates with the first space 313a, and the second through hole 314b communicates with the second space 313 b. The inner wall of the elastic sleeve 32 and the outer wall of the central tube 31 form a closed accommodating cavity 33, the elastic sleeve 32 wraps the first through hole 314a and the second through hole 314b, and the first through hole 314a and the second through hole 314b are both communicated with the accommodating cavity 33. In addition, the elastic sleeve 32 is made of an elastic material, so that the elastic sleeve 32 has good deformation, and the elastic material can be made of silica gel, rubber and other materials.

The fluid movement process of the silencing device is as follows: the fluid flows into the muffler device 3 through the first water inlet 311, enters the first space 313a, is then muffled through the first through hole 314a and enters the accommodating chamber 33, the excitation energy of the fluid is absorbed by the elastic sleeve 32, then the fluid is muffled through the second through hole 314b and enters the second space 313b, and finally the fluid flows out of the second space 313b and flows out of the outside through the first water outlet 312.

In the above embodiment, the outer peripheral wall of the central tube 31 is provided with the second boss 315a and the third boss 315b, and the inner wall of the elastic sleeve 32, the outer wall of the central tube 31, the second boss 315a, and the third boss 315b constitute the above-mentioned accommodating chamber 33. By adopting the scheme, both ends of the elastic sleeve 32 may be respectively connected to the second boss 315a and the third boss 315b, and the elastic sleeve 32 is located between the second boss 315a and the third boss 315b, and the head portions of the second boss 315a and the third boss 315b are exposed, or both ends of the elastic sleeve 32 wrap the second boss 315a and the third boss 315b, and the head portions of the second boss 315a and the third boss 315b are hidden in the elastic sleeve 32.

In this embodiment, the elastic sleeve 32 covers the second boss 315a and the third boss 315b, and the second boss 315a and the third boss 315b are hidden inside the elastic sleeve 32. Specifically, the elastic sleeve 32 includes a first rib 324a and a second rib 324b respectively disposed at two ends, the first rib 324a extends from the elastic sleeve 32 to the central tube 31, the second rib 324b extends from the elastic sleeve 32 to the central tube 31, the first rib 324a abuts against the second boss 315a, the second rib 324b abuts against the third boss 315b, the second boss 315a and the third boss 315b are both between the first rib 324a and the second rib 324b, and the outer wall of the central tube 31, the second boss 315a, the third boss 315b, the elastic sleeve 32, the first rib 324a, and the second rib 324b form the accommodating cavity 33.

Preferably, the outer side walls of the elastic sleeve 32 near the first rib and the second rib 324b of the first drain opening 112 form the second abutting surfaces 321, and when the cover 2 is inserted into the drain passage 11, the first abutting surfaces 23 on the cover 2 abut and fix the second abutting surfaces 321 on the elastic sleeve 32, thereby pressing the muffler device 3.

Specifically, the central tube 31 is hollow, the first water inlet 311 and the first water outlet 312 are respectively disposed at two ends of the central tube 31, specifically, the first water inlet 311 and the first water outlet 312 are located outside the first flange 324a and the second flange 324b, the inner cavity of the central tube 31 is provided with a partition 316, the partition 316 divides the inner cavity of the central tube 31 into the first space 313a and the second space 313b, the first through hole 314a and the second through hole 314b are disposed on the peripheral side wall of the central tube 31, the first through hole 314a is located on one side of the partition 316, and the second through hole 314b is located on the other side of the partition 316. In addition, the partition 316 is located in the middle of the accommodating chamber 33, and the partition 316 is located in the middle of the inner cavity of the center tube 31, which helps make the amount of water entering the accommodating chamber 33 from the first space 313a the same as the amount of water entering the second space 313b from the accommodating chamber 33, thereby facilitating sound and noise reduction. In order to further improve the noise reduction effect, the number of the first through holes 314a is the same as that of the second through holes 314b, and the diameter of the first through holes 314a is the same as that of the second through holes 314 b.

Preferably, in order to ensure that the silencing device 3 is stably arranged in the drainage channel 11, a plurality of first bosses 322 are arranged on the outer side wall of the elastic sleeve 32 in an array manner, the first bosses 322 are preferably of a trapezoidal structure and are perpendicular to the outer side wall of the elastic sleeve 32, and the first ribs 324a, the outer wall of the elastic sleeve 32 and the first bosses 322 form a stepped structure and are in abutting fit with the inner side wall of the drainage channel 11.

In the above embodiment, the elastic sleeve 32 forms the fourth abutting surface 325 near the outer side surface of the first drain opening 312, and the fourth abutting surface 325 is specifically located on the side of the first boss 322 near the first drain opening 312. The fourth abutting surface 325 is adapted to abut against and engage with the lid body 2.

Preferably, the fourth abutting surface 325 is circumferentially provided with a plurality of first annular protrusions 323, and when the silencer device 3 is disposed in the drainage channel 1, the first annular protrusions 323 abut against the inner side wall of the drainage channel 1 and the cover body 2, respectively, so as to further tightly abut against the components, and the arrangement is more stable.

Referring to fig. 3, which is a partial enlarged sectional view of the cover according to an embodiment of the present invention, the cover 2 is a cylindrical structure, the flow guide channel 21 is located inside the cover 2, preferably, the first abutting surface 22 is further provided with a second annular protrusion 221, the second annular protrusion 221 is concentric with the water inlet end of the flow guide channel 21, and when the first abutting surface 22 abuts against the second abutting surface 321, the second annular protrusion 221 abuts against the elastic sleeve 32.

In the above embodiment, the outer side of the cover body 2 is further provided with an abutting piece 23, the inner side wall of the drainage channel 1 is provided with an abutting block protruding towards the inner side of the drainage channel 11, the tail part of the abutting piece 23 is connected with the outer side wall of the cover body 2 close to the water inlet end of the diversion channel 21, the end part is abutted with the abutting block, thereby fixing the cover body 2 in the drainage channel 1,

preferably, the abutment 23 extends gradually outward in the direction of its end, and the distance from the tail of the abutment 23 to the lid 2 is smaller than the distance from the end of the abutment 23 to the lid 2. The abutting piece 23 is specifically an elastic structure, one side of the abutting block located inside the drainage channel 1 forms an abutting groove, one end of the abutting block facing the cover body 2 forms an arc surface, the arc surface is used for guiding the abutting piece 22 into the drainage channel 1, when the cover body 2 is inserted into the drainage channel 1, the abutting block is in contact with the abutting piece 23 and enables the abutting piece 23 to elastically deform towards the cover body 2, when the abutting piece 23 completely enters the drainage channel 1, the abutting block is not in contact with the abutting piece 23 any more, at this time, the abutting piece 23 rebounds and is accommodated in the abutting groove, at this time, the second end of the abutting piece 23 abuts against the side wall of the abutting block, and the fixing of the cover body 2 is realized.

In the above embodiment, the water inlet end of the diversion channel 21 is further provided with the sealing ring 24, the first end of the sealing ring 24 is connected with the cover body 2, the extending direction of the sealing ring 24 is perpendicular to the first abutting surface 22, the inner side wall of the sealing ring 24 forms the annular third abutting surface 241, when the cover body 2 is inserted into the drainage channel 1, one end of the elastic sleeve 32 close to the first drainage port 312 is inserted into the sealing ring 24, the third abutting surface 241 abuts against the fourth abutting surface 325, and the second end of the sealing ring 24 abuts against the side wall of the first boss 322. In order to ensure that no mechanical noise is generated between the cover 2 and the elastic sleeve 32 due to vibration, the first annular protrusion 323 abuts against the elastic sleeve 32 and the sealing ring 26.

As shown in fig. 3 and 4, in one embodiment, in order to further compress the central tube 31 and the elastic sleeve 32, a water discharge nozzle 4 is disposed at the water discharge end of the diversion channel 21, the water discharge nozzle 4 includes a second water inlet 421 and a second water discharge opening 411, the water discharge nozzle 4 is partially inserted into the diversion channel, an elastic unit 5 is disposed between the second water inlet 421 and the first water discharge opening 312, and the elastic unit 5 is used for tightly pressing the silencer 3 toward the interior of the water discharge pipeline.

In the above embodiment, the water discharging nozzle 4 includes a plug-in portion 42 and a limiting portion 41, a first end of the plug-in portion 42 is connected to the limiting portion 41, the second water inlet 421 is located at a second end of the plug-in portion 42, the second water outlet 411 is located inside the limiting portion 41, a limiting block 424 is disposed on the plug-in portion 42 near the second water inlet 421, preferably, the plug-in portion 42 is a tubular structure formed by a plurality of elastic pieces 422, an elastic gap 423 is formed between two adjacent elastic pieces 422, the limiting block 424 is obliquely disposed on an outer side wall of the plug-in portion 42, and a height of one end of the limiting block 424 near the second water inlet 421 is lower than a height of one end of the limiting block near the second water outlet 411. When the insertion part 42 is inserted into the flow guide channel 21, the limiting part 41 abuts against the drainage end of the flow guide channel 21, and the limiting block 424 abuts against the inner side wall of the flow guide channel 21.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a booster pump with silencing device which characterized in that includes:

the silencer is inserted in the drainage channel;

2. The booster pump with silencer of claim 1, wherein:

the drainage channel is internally provided with a cover body, a flow guide channel is arranged in the cover body, the first drainage port is inserted into the flow guide channel through the water inlet end of the flow guide channel, and the drainage end of the flow guide channel forms a drainage port of the drainage channel.

3. The booster pump with silencer of claim 2, wherein:

the end face of the water inlet end of the flow guide channel forms a first abutting face, the end face of the elastic sleeve, which is close to the first drainage port, forms a second abutting face, and the first abutting face abuts against the second abutting face.

4. The booster pump with silencer of claim 3, wherein:

the first abutting surface is provided with a first annular bulge, and the first annular bulge is abutted to the second abutting surface.

5. The booster pump with silencer of claim 2, wherein:

the outer side of the cover body is also provided with an abutting piece, an abutting block protruding inwards is arranged on the inner side wall of the drainage end of the drainage channel, and the end part of the abutting piece abuts against the abutting block.

6. The booster pump with silencer of claim 5, wherein:

the inner side wall of the drainage channel is provided with a butt joint groove, the butt joint groove is positioned on the inner side of the butt joint block, and the end part of the butt joint piece is accommodated in the butt joint groove and is abutted against the butt joint block.

7. The booster pump with silencer of claim 6, wherein:

the abutment member extends gradually outwards in the direction of its end.

8. The booster pump with silencer of claim 2, wherein:

the end face, close to the water inlet end of the flow guide channel, of the cover body is provided with a sealing ring, the first end of the sealing ring is connected with the cover body, and the extending direction of the second end of the sealing ring is perpendicular to the first abutting face;

9. The booster pump with silencer of claim 8, wherein:

the fourth abutting surface is provided with a second annular bulge, and the second annular bulge abuts against the third abutting surface.

10. The booster pump with silencer of claim 8, wherein:

and a first boss is arranged on the outer side surface of the elastic sleeve, and the second end surface of the sealing ring is abutted to the first boss.