CN203297164U - Silencer - Google Patents
Silencer Download PDFInfo
- Publication number
- CN203297164U CN203297164U CN2013203193280U CN201320319328U CN203297164U CN 203297164 U CN203297164 U CN 203297164U CN 2013203193280 U CN2013203193280 U CN 2013203193280U CN 201320319328 U CN201320319328 U CN 201320319328U CN 203297164 U CN203297164 U CN 203297164U
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- CN
- China
- Prior art keywords
- tube
- inner tube
- outer tube
- baffle plate
- silencing apparatus
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to the technical field of silencing devices, in particular to a silencer which comprises an inner tube and an outer tube. The outer tube is a straight tube, blocking plates are respectively arranged at the two ends of the outer tube, the inner tube is in an S shape, the inner tube is arranged in the outer tube, the two ends of the inner tube are respectively connected with the blocking plates arranged at the two ends of the outer tube, a plurality of small holes are formed in the blocking plates and the tube wall of the inner tube, the small holes formed in the pipe wall of the inner tube are evenly distributed in the peripheral direction, and silencing cotton is arranged in a cavity between the outer tube and the inner tube. Due to the facts that the S-shaped inner tube is arranged in the outer tube and the small holes are formed in the pipe wall of the inner tube, the collision length when air flows mutually is lengthened. Thus, the noise reduction is large, and noise can be further reduced.
Description
Technical field
The utility model relates to the technical field of silencer, especially a kind of silencing apparatus.
Background technique
Silencing apparatus is a kind of device that passes through for the permission air-flow that stops sound transmission to be developed, and is the important measures of eliminating air power noise.Silencing apparatus is mounted in the low noise device that falls on the air-flow path of aerodynamic force equipment (as blower, air compressor) or in inlet and exhaust system.Silencing apparatus can stop the propagation of sound wave, allows air-flow to pass through, and is the effective tool of controlling noise.The structure of the silencing apparatus that uses at present is all the soundproof material such as filling porous property rock wool material in the enclosure basically, utilize the resistive sound absorption principle of sound-absorbing material to reach the effect of noise reduction sound-absorbing, but the acoustic wave filter structure of this structure is single, the effect of the noise elimination noise reduction that has reached, need to select very expensive muffler material, increased cost.
The model utility content
In order to overcome the deficiency of existing technology, the utility model provides a kind of silencing apparatus.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of silencing apparatus, comprise inner and outer tubes, described outer tube is straight tube, two ends at described outer tube are respectively equipped with baffle plate, described inner tube is shaped as serpentine, described inner tube is arranged in outer tube, and the two ends of inner tube are connected with the baffle plate that is arranged on the outer tube two ends respectively, is respectively equipped with several apertures on the tube wall of described baffle plate and inner tube.
, according to another embodiment of the present utility model, comprise that further several apertures that arrange on the tube wall of described inner tube are for along the circumferential direction being uniformly distributed.
, according to another embodiment of the present utility model, comprise that further the cavity place between described outer tube and inner tube is provided with the cotton of eliminating the noise.
The beneficial effects of the utility model are, the inner tube by serpentine is set in outer tube and also establish aperture on inner pipe wall, and the collision length when increasing gas and mutually flowing, thus make sound deadening capacity large, further reduce noise.
Description of drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is front section view of the present utility model;
Fig. 2 is the structural representation of baffle plate
1. inner tubes in figure, 2. outer tube, 3. baffle plate, 4. aperture, 5. noise elimination cotton.
Embodiment
As depicted in figs. 1 and 2, a kind of silencing apparatus, comprise inner tube 1 and outer tube 2, outer tube 2 is straight tube, be respectively equipped with baffle plate 3 at the two ends of outer tube 2, inner tube 1 be shaped as serpentine, inner tube 1 is arranged in outer tube 2, the two ends of inner tube 1 are connected with the baffle plate 3 that is arranged on outer tube 2 two ends respectively, are respectively equipped with several apertures 4 on the tube wall of baffle plate 3 and inner tube 1.Several apertures 4 that arrange on the tube wall of inner tube 1 are for along the circumferential direction being uniformly distributed.Cavity place between outer tube 2 and inner tube 1 is provided with and eliminates the noise cotton 5.
In use of the present utility model, gas flows into the inner tube 1 that is connected on baffle plate 3 from the aperture 4 on the baffle plate 3 of silencing apparatus outer tube 2 one ends, after gas in inflow inner tube 1 outwards disperses everywhere by the along the circumferential direction equally distributed aperture 4 on inner tube 1 tube wall, and then the outflow silencing apparatus the other end, because inner tube 1 is shaped as serpentine, increase collision length and the cavity place outer tube 2 and inner tube 1 between of gas when mutually flowing and be provided with the cotton 5 of eliminating the noise, sound while being used for absorbing gas flow, thereby make sound deadening capacity large, further reduce noise.
Claims (3)
1. silencing apparatus, comprise inner tube (1) and outer tube (2), it is characterized in that, described outer tube (2) is straight tube, be respectively equipped with baffle plate (3) at the two ends of described outer tube (2), described inner tube (1) is shaped as serpentine, and described inner tube (1) is arranged in outer tube (2), the two ends of inner tube (1) are connected with the baffle plate (3) that is arranged on outer tube (2) two ends respectively, are respectively equipped with several apertures (4) on the tube wall of described baffle plate (3) and inner tube (1).
2. a kind of silencing apparatus according to claim 1, is characterized in that, several apertures (4) that arrange on the tube wall of described inner tube (1) are for along the circumferential direction being uniformly distributed.
3. a kind of silencing apparatus according to claim 1, is characterized in that, the cavity place between described outer tube (2) and inner tube (1) is provided with eliminate the noise cotton (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203193280U CN203297164U (en) | 2013-06-05 | 2013-06-05 | Silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203193280U CN203297164U (en) | 2013-06-05 | 2013-06-05 | Silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203297164U true CN203297164U (en) | 2013-11-20 |
Family
ID=49573174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203193280U Expired - Fee Related CN203297164U (en) | 2013-06-05 | 2013-06-05 | Silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203297164U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542656A (en) * | 2017-09-11 | 2018-01-05 | 珠海格力电器股份有限公司 | Screw compressor and there is its heat pump type air conditioning system |
| CN108443116A (en) * | 2018-05-16 | 2018-08-24 | 山东科技大学 | A kind of inhaling silencer for refrigerator reciprocating compressor |
-
2013
- 2013-06-05 CN CN2013203193280U patent/CN203297164U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542656A (en) * | 2017-09-11 | 2018-01-05 | 珠海格力电器股份有限公司 | Screw compressor and there is its heat pump type air conditioning system |
| CN108443116A (en) * | 2018-05-16 | 2018-08-24 | 山东科技大学 | A kind of inhaling silencer for refrigerator reciprocating compressor |
| CN108443116B (en) * | 2018-05-16 | 2024-04-26 | 山东科技大学 | Suction muffler for refrigerator reciprocating compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20140605 |