CN110566435A - Noise reduction assembly for pump - Google Patents
Noise reduction assembly for pump Download PDFInfo
- Publication number
- CN110566435A CN110566435A CN201910902797.7A CN201910902797A CN110566435A CN 110566435 A CN110566435 A CN 110566435A CN 201910902797 A CN201910902797 A CN 201910902797A CN 110566435 A CN110566435 A CN 110566435A
- Authority
- CN
- China
- Prior art keywords
- pump
- noise reduction
- end cover
- reduction assembly
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/16—Filtration; Moisture separation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Reciprocating Pumps (AREA)
- Rotary Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a noise reduction assembly for a pump, which comprises a partition plate, filter cotton, an end cover and a locking piece for locking the end cover and the partition plate together, wherein the end cover is provided with an air hole for air to flow into or out of a pump body, the partition plate is provided with a locking hole matched with the locking piece, an accommodating cavity for accommodating the filter cotton is formed between the end cover and the partition plate, the noise reduction assembly for the pump is arranged on the pump body through the end cover, the locking piece penetrates through the end cover and is connected with the locking hole, the partition plate is provided with a plurality of air flow dispersion holes, the air flow dispersion holes are communicated with the pump body and the accommodating cavity, and the air hole is communicated with the accommodating cavity. The pump noise reduction assembly has the advantages that the air is divided by the air flow dispersing holes, the air is filtered by the filter cotton, and meanwhile, the filter cotton can isolate noise generated by the pump body, so that the pump noise reduction assembly has a good noise reduction effect on the pump body.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a noise reduction assembly for a pump of a compression pump of a molecular sieve oxygen generator in the field of medical treatment.
Background
With the rapid development of society, a compression pump, which is a machine capable of compressing oxygen and then slowly releasing the compressed oxygen in a specific place, is also widely used in an oxygen generator in the medical field.
As is known, a conventional compression pump comprises a casing, a drive device and a valve plate; the shell is internally provided with an accommodating cavity for accommodating the driving device and the valve disc, and the shell is provided with an air inlet for air to enter and an air outlet for air to flow out. In the actual working process, the valve plate is driven to reciprocate by the driving device so as to compress air into the accommodating cavity or discharge air in the accommodating cavity through the air outlet. However, the existing compression pump has the following drawbacks: in the process that the driving device drives the valve plate to do reciprocating motion, the flow of gas and the motion of the driving device generate large noise, so that the compression pump can generate great noise in the working process; however, if the housing is merely coated with various sound-insulating materials, the volume of the compression pump is increased, and the sound-insulating effect is not good.
Therefore, a noise reduction assembly for a pump, which has a small size and a good noise reduction effect, is needed to overcome the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to provide a noise reduction assembly for a pump, which is small in size and good in noise reduction effect.
In order to achieve the above object, the present invention provides a noise reduction assembly for a pump, including a partition plate, filter cotton, an end cover, and a locking member for locking the end cover and the partition plate together, wherein the end cover is provided with an air hole for air to flow into or out of a pump body, the partition plate is provided with a locking hole matching with the locking member, an accommodating cavity for accommodating the filter cotton is formed between the end cover and the partition plate, the noise reduction assembly for a pump is mounted on the pump body through the end cover, the locking member penetrates through the end cover and is connected with the locking hole, the partition plate is provided with a plurality of air dispersion holes, the air dispersion holes communicate the pump body and the accommodating cavity, and the air hole is communicated with the accommodating cavity.
Preferably, the partition plate comprises a bottom plate and a mounting portion formed by outward extending of the center of the bottom plate, the locking holes are formed in the mounting portion, and the airflow dispersion holes are formed in the bottom plate.
Preferably, the airflow distribution holes are symmetrically distributed around the mounting portion.
Preferably, the baffle plate further comprises a first convex ring arranged on the bottom plate and connecting strips used for connecting the first convex ring with the mounting part, and the airflow dispersion holes are formed between every two adjacent connecting strips.
Preferably, the filter cotton is provided with a fixing hole matched with the mounting part, and the mounting part is inserted in the fixing hole.
preferably, the noise reduction assembly for the pump further comprises a sealing ring, and the sealing ring is sleeved on the end cover.
Preferably, the outer surface of the end cap is provided with a second convex ring, one side of the second convex ring facing the first convex ring protrudes with a protruding portion for sleeving the sealing ring, the sealing ring is clamped between the first convex ring and the second convex ring, and the protruding portion abuts against the first convex ring.
Preferably, the inner surface of the end cover is convexly provided with a pushing part for pushing the filter cotton on the partition board, and the pushing part is positioned in the accommodating cavity.
Preferably, the noise reduction assembly for the pump further comprises an exhaust pipe for exhausting the air in the accommodating cavity out of the accommodating cavity, one end of the exhaust pipe extends into the accommodating cavity and is inserted between the end cover and the filter cotton, and the other end of the exhaust pipe extends out of the end cover.
Preferably, the outer surface of the end cover is further provided with a fixing pipe for inserting the exhaust pipe, and the fixing pipe is communicated with the air hole and the external environment.
Compared with the prior art, the noise reduction assembly for the pump comprises the partition plate, the filter cotton, the end cover and the locking piece for locking the end cover and the partition plate together. The end cover is provided with an air hole for air to flow into or out of the pump body, the partition plate is provided with a plurality of air flow dispersing holes, the air flow dispersing holes are communicated with the pump body and the accommodating cavity, the air hole is communicated with the accommodating cavity, the partition plate is provided with a locking hole matched with the locking piece, and an accommodating cavity for accommodating filter cotton is formed between the end cover and the partition plate; therefore, when the gas outside the pump body flows into the pump body through the air hole, the filter cotton firstly reduces the noise of the gas flowing into the pump body, and then the gas subjected to noise reduction by the filter cotton is divided by the air flow dispersing holes, so that the gas is further reduced in noise; when the air in the pump body flows out of the pump body through the air holes, the airflow dispersing holes disperse the airflow to be discharged, so that the purpose of noise reduction is achieved, and then the air is further subjected to noise reduction through the filter cotton; meanwhile, the filter cotton can also isolate the noise generated by the operation of the pump body; therefore, the noise reduction assembly for the pump can achieve better noise reduction on the pump body.
Drawings
Fig. 1 is a perspective view of a noise reduction assembly for a pump according to the present invention.
FIG. 2 is a schematic perspective view of another angle of the noise reduction assembly for a pump of the present invention.
FIG. 3 is an exploded view of the noise reduction assembly for a pump of the present invention.
FIG. 4 is a cross-sectional view of the noise reduction assembly for a pump of the present invention.
FIG. 5 is a perspective view of an end cap of the noise reduction assembly for a pump of the present invention.
FIG. 6 is a cross-sectional view of the noise reduction assembly for a pump of the present invention mounted to a pump body.
Detailed Description
In order to explain technical contents, structural features, and effects achieved by the present invention in detail, the following detailed description is given with reference to the embodiments and the accompanying drawings.
Referring to fig. 1 to 6, a noise reduction assembly 100 for a pump according to the present invention includes a partition plate 10, a filter cloth 20, an end cap 30, and a locking member 40 for locking the end cap 30 and the partition plate 10 together. The end cover 30 is provided with an air hole 30a for air to flow into the pump body 200 or flow out of the pump body 200, the partition plate 10 is provided with a locking hole 10a matched with the locking piece 40, an accommodating cavity 30b for accommodating the filter cotton 20 is formed between the end cover 30 and the partition plate 10, the noise reduction assembly 100 for the pump is installed on the pump body 200 through the end cover 30, the locking piece 40 penetrates through the end cover 30 and is connected with the locking hole 10a, the partition plate 10 is provided with a plurality of air flow dispersion holes 10b, the air flow dispersion holes 10b are communicated with the pump body 200 and the accommodating cavity 30b, and the air hole 30a is communicated with the accommodating cavity 30 b. For example, the locking member 40 may be a screw, and the locking hole 10a is a screw hole, but the locking member 40 and the locking hole 10a may be configured by other structures as required by those skilled in the art, and therefore, the invention is not limited thereto. More specifically, the following:
Referring to fig. 3 and 4, the partition plate 10 includes a bottom plate 11, a mounting portion 12 formed by extending from the center of the bottom plate 11, a first protruding ring 13 located on the bottom plate 11, and a connecting bar 14 for connecting the first protruding ring 13 with the mounting portion 12. The locking holes 10a are disposed on the mounting portion 12, and the airflow dispersing holes 10b are disposed on the bottom plate 11, specifically, the airflow dispersing holes 10b are symmetrically distributed with the mounting portion 12 as a center, so as to more uniformly distribute the gas in the pump body 200, but not limited thereto; more specifically, the air flow dispersing holes 10b are located between adjacent two connection bars 14, so that the structural stability of the separator 10 can be enhanced by the connection bars 14. It should be noted that the number of the airflow dispersion holes 10b may also be set to 2, 3, 4, 5, 6, 7, 8, or 9 according to the needs of those skilled in the art, and therefore, the present invention is not limited thereto, and the shape of the airflow dispersion holes 10b may also be set to be circular, elliptical, or polygonal according to the needs of those skilled in the art, and therefore, the details thereof are not repeated herein.
With continued reference to fig. 3 and 4, the filter cotton 20 is provided with a fixing hole 20a matching with the mounting portion 12. The mounting portion 12 is inserted into the fixing hole 20a, so that the mounting portion 12 can support and position the filter cotton 20, and the noise reduction assembly 100 for a pump of the present invention has a more stable structure.
With continued reference to fig. 3 and 4, the pump noise reduction assembly 100 further includes a seal ring 50. The sealing ring 50 is sleeved on the end cover 30, specifically, the outer surface of the end cover 30 is provided with a second convex ring 31, a protruding portion 311 for sleeving the sealing ring 50 protrudes from one side of the second convex ring 31 facing the first convex ring 13, the sealing ring 50 is clamped between the first convex ring 13 and the second convex ring 31, and the protruding portion 311 abuts against the first convex ring 13, so that by sleeving the sealing ring 50 on the end cover 30, a sealing connection between the end cover 30 and the pump body 200 can be ensured, and the sealing ring 50 can be limited by the first convex ring 13 and the second convex ring 31, so that the sealing ring 50 can be better fixed, but not limited thereto.
Referring to fig. 4 and 5, the inner surface of the end cap 30 is provided with a pushing portion 32 for pushing the filter pulp 20 against the partition board 10. The pushing portion 32 is located in the accommodating cavity 30b, so that the filter pulp 20 can be pushed by the pushing portion 32 to limit the filter pulp 20, but not limited thereto.
Referring to fig. 1 to 4, the pump noise reduction assembly 100 further includes an air discharge pipe 60 for discharging air in the accommodation chamber 30b out of the accommodation chamber 30 b. One end of the exhaust pipe 60 extends into the accommodating cavity 30b and is inserted between the end cover 30 and the filter cotton 20, and the other end of the exhaust pipe 60 extends out of the end cover 30, specifically, a fixing pipe 33 for inserting the exhaust pipe 60 is further arranged on the outer surface of the end cover 30, and the fixing pipe 33 is communicated with the air hole 30a and the external environment, so that the exhaust pipe 60 made of soft materials can be fixed through the fixing pipe 33, and the exhaust pipe 60 is convenient to replace when damaged.
It should be noted that, the detachable locking connection between the end cap 30 and the pump body 200 can be realized by a screw hole and a screw or a male buckle and a female buckle, but is not limited thereto. When the noise reduction assembly 100 for a pump according to the present invention is mounted on the pump body 200, the mounted pump body 200 is required to be provided with a mounting hole that is engaged with the end cap 30.
Compared with the prior art, the noise reduction assembly 100 for the pump comprises the partition plate 10, the filter cotton 20, the end cover 30 and the locking piece 40 for locking the end cover 30 and the partition plate 10 together. The end cover 30 is provided with an air hole 30a for air to flow into the pump body 200 or flow out of the pump body 200, the partition plate 10 is provided with a plurality of air flow dispersion holes 10b, the air hole 30a is communicated with the accommodating cavity 30b, the partition plate 10 is provided with a locking hole 10a matched with the locking piece 40, and an accommodating cavity 30b for accommodating the filter cotton 20 is formed between the end cover 30 and the partition plate 10; therefore, when the air outside the pump body 200 flows into the pump body 200 through the air holes 30a, the filter cotton 20 firstly reduces the noise of the air flowing into the pump body 200, and then the air subjected to noise reduction by the filter cotton 20 is divided through the air flow distributing holes 10b, so that the air is further reduced in noise; when the air in the pump body 200 flows out of the pump body 200 through the air holes 30a, the airflow dispersing holes 10b disperse the airflow to be discharged, so that the purpose of reducing noise is achieved, and then the air is further reduced in noise through the filter cotton 20; meanwhile, the filter cotton 20 can also isolate the noise generated by the operation of the pump body 200; the noise reduction assembly 100 for a pump of the present invention thus provides better noise reduction of the pump body 200.
The above disclosure is only a preferred embodiment of the present invention, which is convenient for those skilled in the art to understand and implement, and certainly not to limit the scope of the present invention, therefore, the present invention is not limited by the claims and their equivalents.
Claims (10)
1. The utility model provides a noise reduction subassembly for pump which characterized in that: including baffle, filter pulp, end cover and be used for with the end cover with the locking part that the baffle lock solid is in the same place, set up the gas pocket that supplies the gas stream to advance the pump body or flow the pump body and use on the end cover, set up on the baffle with locking part matched with locking hole, the end cover with be formed with between the baffle and be used for placing the holding chamber of filter pulp, the noise reduction subassembly for the pump passes through the end cover is installed on the pump body, the locking part pass the end cover and with locking jogged joint, a plurality of gas flow dispersion holes have been seted up on the baffle, gas flow dispersion hole intercommunication the pump body with the holding chamber, the gas pocket with the holding chamber is linked together.
2. The noise reduction assembly for a pump of claim 1, wherein: the baffle includes the bottom plate and by the installation department that the bottom plate center outwards extended and formed, the locking hole set up in on the installation department, the air current dispersion hole set up in on the bottom plate.
3. The noise reduction assembly for a pump of claim 1, wherein: the air flow dispersion holes are symmetrically distributed by taking the mounting part as a center.
4. The noise reduction assembly for a pump of claim 2, wherein: the baffle still including locating first bulge loop on the bottom plate and be used for with first bulge loop with the connecting strip that the installation department is connected, the air current dispersion hole is located between two adjacent connecting strips.
5. The noise reduction assembly for a pump of claim 2, wherein: the filter cotton is provided with a fixing hole matched with the mounting part, and the mounting part is inserted in the fixing hole.
6. The noise reduction assembly for a pump of claim 4, wherein: the sealing ring is sleeved on the end cover.
7. The noise reduction assembly for a pump of claim 6, wherein: the outer surface of the end cover is provided with a second convex ring, one side of the second convex ring facing the first convex ring is convexly provided with a convex part for sleeving the sealing ring, the sealing ring is clamped between the first convex ring and the second convex ring, and the convex part is abutted against the first convex ring.
8. The noise reduction assembly for a pump of claim 1, wherein: the inner surface of the end cover is convexly provided with a pushing part used for pushing the filter cotton on the partition board, and the pushing part is positioned in the accommodating cavity.
9. The noise reduction assembly for a pump of claim 1, wherein: the air-purifying device is characterized by further comprising an exhaust pipe used for exhausting air in the accommodating cavity out of the accommodating cavity, one end of the exhaust pipe extends into the accommodating cavity and is inserted between the end cover and the filter cotton, and the other end of the exhaust pipe extends out of the end cover.
10. The noise reduction assembly for a pump of claim 9, wherein: the outer surface of the end cover is also provided with a fixing pipe for inserting the exhaust pipe, and the fixing pipe is communicated with the air hole and the external environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910902797.7A CN110566435B (en) | 2019-09-23 | 2019-09-23 | Noise reduction assembly for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910902797.7A CN110566435B (en) | 2019-09-23 | 2019-09-23 | Noise reduction assembly for pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110566435A true CN110566435A (en) | 2019-12-13 |
| CN110566435B CN110566435B (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910902797.7A Active CN110566435B (en) | 2019-09-23 | 2019-09-23 | Noise reduction assembly for pump |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201582078U (en) * | 2009-12-01 | 2010-09-15 | 上岳科技股份有限公司 | Gas compressor |
| CN105649955A (en) * | 2016-04-08 | 2016-06-08 | 石家庄嘉祥精密机械有限公司 | Air inlet system and method for oilless air compressor in rail transit |
| CN206582089U (en) * | 2017-01-16 | 2017-10-24 | 天津天伟宏业仪器设备有限公司 | A kind of Jing Yin oil-free air compressor |
| CN107687410A (en) * | 2017-09-27 | 2018-02-13 | 黄石锐智机械自动化股份有限公司 | A kind of good exhaust noise silencing lid of soundproof effect |
| CN208793178U (en) * | 2018-08-21 | 2019-04-26 | 惠州市卡迪机电有限公司 | Mute oil-free air pump device |
| CN110107479A (en) * | 2019-05-24 | 2019-08-09 | 西藏摩氧创新科技有限公司 | A kind of miniature oilless (oil free) compressor system |
-
2019
- 2019-09-23 CN CN201910902797.7A patent/CN110566435B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201582078U (en) * | 2009-12-01 | 2010-09-15 | 上岳科技股份有限公司 | Gas compressor |
| CN105649955A (en) * | 2016-04-08 | 2016-06-08 | 石家庄嘉祥精密机械有限公司 | Air inlet system and method for oilless air compressor in rail transit |
| CN206582089U (en) * | 2017-01-16 | 2017-10-24 | 天津天伟宏业仪器设备有限公司 | A kind of Jing Yin oil-free air compressor |
| CN107687410A (en) * | 2017-09-27 | 2018-02-13 | 黄石锐智机械自动化股份有限公司 | A kind of good exhaust noise silencing lid of soundproof effect |
| CN208793178U (en) * | 2018-08-21 | 2019-04-26 | 惠州市卡迪机电有限公司 | Mute oil-free air pump device |
| CN110107479A (en) * | 2019-05-24 | 2019-08-09 | 西藏摩氧创新科技有限公司 | A kind of miniature oilless (oil free) compressor system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110566435B (en) | 2021-08-17 |
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