CN220135715U - Bidirectional air-out silencer - Google Patents
Bidirectional air-out silencer Download PDFInfo
- Publication number
- CN220135715U CN220135715U CN202321448221.6U CN202321448221U CN220135715U CN 220135715 U CN220135715 U CN 220135715U CN 202321448221 U CN202321448221 U CN 202321448221U CN 220135715 U CN220135715 U CN 220135715U
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- Prior art keywords
- muffler
- silencing
- cotton
- silencer
- air
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- 230000003584 silencer Effects 0.000 title claims abstract description 37
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 20
- 230000030279 gene silencing Effects 0.000 claims abstract description 69
- 229920000742 Cotton Polymers 0.000 claims abstract description 66
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 241000282414 Homo sapiens Species 0.000 abstract description 3
- 230000003993 interaction Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 239000013013 elastic material Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001743 silencing effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model provides a bidirectional air-out silencer which comprises a silencer shell, wherein a first silencing piece is arranged in the inner cavity of the silencer shell, a second silencing piece and a third silencing piece are respectively arranged on one side of the first silencing piece, an air inlet reducing is arranged at the bottom of the silencer shell, an air inlet channel is arranged at the bottom of the air inlet reducing, the first silencing piece comprises rear silencing cotton and front silencing cotton, the rear silencing cotton and the front silencing cotton are both positioned in the inner cavity of the silencer shell, the second silencing piece comprises left silencing cotton and right silencing cotton, and the left silencing cotton and the right silencing cotton are both positioned in the inner cavity of the silencer shell. The bidirectional air-out silencer provided by the utility model converts sound into other forms of energy and dissipates the energy through the interaction of the three principles of sound absorption, vibration resistance and reflection, so that the machine equipment is ensured not to cause excessive interference to the surrounding environment during operation, and the harm of noise pollution to human beings and the environment is reduced.
Description
Technical Field
The utility model relates to the technical field of silencing equipment, in particular to a bidirectional air-out silencer.
Background
With the development of economy and the progress of society, environmental protection is a basic national policy of China. The environmental protection industry is an important material foundation and technical guarantee of environmental protection, and is one of new economic growth points of national economy. The environmental protection industry is an important measure for implementing sustainable development strategy. The silencer is widely used for noise control in shipbuilding, automobiles, casting, nonferrous metal processing, light industry, medicine, electronics and other industries.
The silencer is a device capable of reducing noise of mechanical equipment or an engine and the like, the working principle of the silencer is that sound in the transmission process is reduced through sound absorption, vibration resistance, reflection and other modes, sound waves are converted into energy in other forms to be dissipated, the existing circular silencer is poor in silencing effect, and the silencer is inconvenient to meet the use requirement of low-noise working conditions, large in size and high in cost.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the bidirectional air outlet silencer with good silencing effect.
The utility model provides a bidirectional air-out silencer which comprises a silencer shell, wherein a first silencing piece is arranged in an inner cavity of the silencer shell, a second silencing piece and a third silencing piece are respectively arranged on one side of the first silencing piece, an air inlet reducing is arranged at the bottom of the silencer shell, and an air inlet channel is arranged at the bottom of the air inlet reducing.
As the bidirectional air-out muffler provided by the utility model, preferably, the first silencing piece comprises rear silencing cotton and front silencing cotton, and the rear silencing cotton and the front silencing cotton are both positioned in the inner cavity of the muffler shell.
As the bidirectional air-out muffler provided by the utility model, preferably, the second silencing piece comprises left silencing cotton and right silencing cotton, and the left silencing cotton and the right silencing cotton are both positioned in the inner cavity of the muffler shell.
As the bidirectional air-out silencer provided by the utility model, preferably, the second silencing piece further comprises a side air deflector, and the side air deflectors are arranged on one side of the left silencing cotton and the right silencing cotton.
As the utility model provides the bidirectional air-out muffler, preferably, the third muffler piece comprises top silencing cotton, the top silencing cotton is positioned at the top of the inner cavity of the muffler shell, and bottom silencing cotton is arranged at the bottom of the inner cavity of the muffler shell.
As the bidirectional air-out silencer provided by the utility model, preferably, the bottom of the top silencing cotton is provided with the mesh plate, and the bottom of the mesh plate is fixedly connected with the top air deflector.
Compared with the prior art, the utility model has the beneficial effects that:
when sound waves enter the air inlet channel 6, the two-way air outlet muffler can generate vortex to consume air flow energy through small holes in the mesh plate 7, then continuously rebounds through the top silencing cotton 401 until the sound waves are completely absorbed, the sound waves are internally reflected through the plurality of side air deflectors 303 and the top air deflectors 8 to generate a counteracted phase, noise is reduced, the interference effect can effectively reduce the output of the noise, the sound waves disappear on the way of spreading on the two sides of the muffler shell 1, and the device converts the sound into other forms of energy and dissipates the energy through the interaction of the three principles of sound absorption, vibration resistance and reflection, so that the damage of noise pollution to human beings and the environment is reduced, the problems that the existing muffler is poor in silencing effect, inconvenient to meet the use requirement of low-noise working conditions, large in volume and high in cost are solved.
Drawings
FIG. 1 is a schematic diagram of a two-way muffler according to a preferred embodiment of the present utility model;
fig. 2 is a structural cross-sectional view of the muffler shell of the present utility model.
Reference numerals in the drawings: 1. a muffler shell; 2. a first muffler; 201. rear noise reduction cotton; 202. front silencing cotton; 3. a second muffler; 301. left silencing cotton; 302. right silencing cotton; 303. a side air deflector; 4. a third muffler; 401. top silencing cotton; 402. a bottom silencing cotton; 5. the diameter of the air inlet is changed; 6. an air inlet channel; 7. a mesh plate; 8. a top air deflector.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1 and fig. 2 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a bidirectional air-out muffler according to the present utility model; fig. 2 is a structural cross-sectional view of the muffler shell of the present utility model. The bidirectional air-out silencer comprises a silencer shell 1, wherein a first silencing piece 2 is arranged in an inner cavity of the silencer shell 1, a second silencing piece 3 and a third silencing piece 4 are respectively arranged on one side of the first silencing piece 2, an air inlet reducing 5 is arranged at the bottom of the silencer shell 1, and an air inlet channel 6 is arranged at the bottom of the air inlet reducing 5.
In the specific implementation process, as shown in fig. 1 and 2, the first silencing piece 2 comprises a rear silencing cotton 201 and a front silencing cotton 202, and the rear silencing cotton 201 and the front silencing cotton 202 are both positioned in the inner cavity of the silencer casing 1;
the second silencing piece 3 comprises left silencing cotton 301 and right silencing cotton 302, and the left silencing cotton 301 and the right silencing cotton 302 are both positioned in the inner cavity of the silencer shell 1;
the second silencing piece 3 further comprises a side air deflector 303, and the side air deflector 303 is arranged on one side of the left silencing cotton 301 and one side of the right silencing cotton 302;
the third silencing piece 4 comprises top silencing cotton 401, the top silencing cotton 401 is located at the top of the inner cavity of the silencer casing 1, and bottom silencing cotton 402 is arranged at the bottom of the inner cavity of the silencer casing 1;
the bottom of top amortization cotton 401 is provided with mesh board 7, and the bottom of mesh board 7 fixedly connected with top aviation baffle 8.
It should be noted that: the back amortization cotton 201, preceding amortization cotton 202, left amortization cotton 301, right amortization cotton 302, top amortization cotton 401 and bottom amortization cotton 402 in this device comprises materials such as a plurality of sound absorbing cotton, glass fiber, knitting cotton, these materials can effectively absorb sound, convert sound wave into energy of other forms such as heat energy, when sound wave gets into air inlet channel 6, they can produce vortex consumption air current energy in the aperture on mesh plate 7, then last the bounce through top amortization cotton 401 until being absorbed completely, and in actual use, the user can add some elastic material to this device inside, can absorb the vibration in the transmission process through these elastic material, thereby reduce noise's production, supplementary improvement this device's amortization effect of having still adopted reflection's principle, inside sets up a plurality of side aviation baffles 303 and top aviation baffle 8, make sound wave internally reflect, produce the phase place of cancellation, the noise's production, this kind of interference effect can effectively reduce the output of noise, make sound wave propagate on both sides of muffler shell 1 through inhaling, three kinds of mutual harm of sound absorbing and reflection and three kinds of mutual interference forms can be greatly reduced when the noise is lost to the environment of the machine is lost, and the environmental pollution can not cause the environmental pollution to the environment is greatly reduced.
The working principle of the bidirectional air outlet silencer provided by the utility model is as follows:
when sound waves enter the air inlet channel 6, vortex energy is consumed by the sound waves generated by small holes in the mesh plate 7, then the sound waves continuously rebound through the top silencing cotton 401 until the sound waves are completely absorbed, in the actual use process, a user can add some elastic materials into the device, vibration in the transmission process can be absorbed through the elastic materials, accordingly noise generation is reduced, the silencing effect of the device is improved in an auxiliary mode, the reflection principle is adopted, a plurality of side air deflectors 303 and top air deflectors 8 are arranged in the device, the sound waves are internally reflected, the phase of cancellation is generated, noise generation is reduced, the interference effect can effectively reduce noise output, the sound waves disappear in the process of spreading on two sides of the silencer shell 1, the sound waves are converted into other forms of energy through interaction of sound absorption, vibration resistance and reflection, and accordingly the device is guaranteed that the machine equipment can not cause excessive interference to the surrounding environment in the operation, and harm of noise pollution to human beings and the environment is reduced.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The bidirectional air-out silencer is characterized by comprising a silencer shell (1), wherein a first silencing piece (2) is arranged in an inner cavity of the silencer shell (1), a second silencing piece (3) and a third silencing piece (4) are respectively arranged on one side of the first silencing piece (2), an air inlet reducing (5) is arranged at the bottom of the silencer shell (1), and an air inlet channel (6) is arranged at the bottom of the air inlet reducing (5).
2. The bidirectional air-out muffler according to claim 1, wherein the first muffler (2) comprises a rear muffler cotton (201) and a front muffler cotton (202), and the rear muffler cotton (201) and the front muffler cotton (202) are both located in an inner cavity of the muffler shell (1).
3. The bidirectional air-out muffler according to claim 1, wherein the second muffler (3) includes a left muffler cotton (301) and a right muffler cotton (302), and both the left muffler cotton (301) and the right muffler cotton (302) are located in an inner cavity of the muffler shell (1).
4. A bi-directional air-out muffler according to claim 3, characterized in that the second muffler (3) further comprises a side air deflector (303), and the side of the left and right muffler cotton (301, 302) are provided with side air deflectors (303).
5. The bidirectional air-out muffler according to claim 1, wherein the third muffler (4) comprises a top muffler cotton (401), the top muffler cotton (401) is located at the top of the inner cavity of the muffler shell (1), and a bottom muffler cotton (402) is disposed at the bottom of the inner cavity of the muffler shell (1).
6. The bidirectional air-out silencer according to claim 5, wherein a mesh plate (7) is arranged at the bottom of the top silencing cotton (401), and a top air deflector (8) is fixedly connected to the bottom of the mesh plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321448221.6U CN220135715U (en) | 2023-06-08 | 2023-06-08 | Bidirectional air-out silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321448221.6U CN220135715U (en) | 2023-06-08 | 2023-06-08 | Bidirectional air-out silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220135715U true CN220135715U (en) | 2023-12-05 |
Family
ID=88963246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321448221.6U Active CN220135715U (en) | 2023-06-08 | 2023-06-08 | Bidirectional air-out silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220135715U (en) |
-
2023
- 2023-06-08 CN CN202321448221.6U patent/CN220135715U/en active Active
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