CN220168186U - Noise elimination low noise formula mixed flow fan - Google Patents
Noise elimination low noise formula mixed flow fan Download PDFInfo
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- CN220168186U CN220168186U CN202321140286.4U CN202321140286U CN220168186U CN 220168186 U CN220168186 U CN 220168186U CN 202321140286 U CN202321140286 U CN 202321140286U CN 220168186 U CN220168186 U CN 220168186U
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- flow fan
- mixed flow
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- main body
- silencing cover
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- 230000008030 elimination Effects 0.000 title abstract description 7
- 238000003379 elimination reaction Methods 0.000 title abstract description 7
- 230000030279 gene silencing Effects 0.000 claims abstract description 25
- 229920000742 Cotton Polymers 0.000 claims abstract description 12
- 239000000853 adhesive Substances 0.000 claims abstract description 6
- 230000001070 adhesive effect Effects 0.000 claims abstract description 6
- 239000011229 interlayer Substances 0.000 claims abstract description 6
- 238000003466 welding Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 238000013016 damping Methods 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a noise elimination low noise formula mixed flow fan, including: the device comprises a fixed sleeve, a mounting seat, a buffer pad, a mixed flow fan main body, a silencing cover, soundproof cotton and a sound absorbing plate; the two sides of the lower part of the fixed sleeve are fixedly provided with mounting seats in a welding mode, and a buffer cushion is arranged in the fixed sleeve in an adhesive mode; the mixed flow fan main body is sleeved in the buffer cushion in a clearance fit mode, and the front end of the mixed flow fan main body is provided with a silencing cover through bolts; the soundproof cotton is respectively arranged in an interlayer of the mixed flow fan main body and the silencing cover in an embedding manner; the sound absorbing plate is fixedly arranged in the silencing cover in an adhering mode. Through the improvement on the structure, the device has the advantages of remarkable noise elimination and low noise effect, buffer vibration reduction function, great improvement on the practical performance and practical value and the like, thereby effectively solving the problems and defects in the prior device.
Description
Technical Field
The utility model relates to the technical field of mixed flow fans, in particular to a noise elimination low-noise mixed flow fan.
Background
The mixed flow fan combines the features of both axial and centrifugal fans and looks more like a conventional axial fan. The housing may have an open inlet, but more commonly it has a right angle curved shape so that the motor can be placed outside the duct. The discharge shell slowly expands to slow the velocity of the air or gas stream and convert the kinetic energy into useful static pressure.
The casing of present mixed flow fan is all made by sheet metal to all be hard connection between with the fixing base, this just leads to mixed flow fan at during operation noise and the vibration that motor and impeller produced can diffuse away in surrounding environment, and the air outlet also can produce simultaneously and breathe the wind noise sound of breathing out, leads to the noise influence that causes the environment great, thereby greatly reduced its practical performance scheduling problem.
In view of the above, the present utility model has been made in view of the above problems, and it is an object of the present utility model to provide a noise-reducing low-noise type mixed-flow fan, which can solve the problems and improve the practical value.
Disclosure of Invention
The utility model aims to provide a silencing low-noise mixed flow fan, which aims to solve the problems and the shortcomings in the background technology.
In order to achieve the purpose, the utility model provides a silencing low-noise mixed flow fan, which is achieved by the following specific technical means:
a sound-deadening low-noise mixed-flow fan, comprising: the device comprises a fixed sleeve, a mounting seat, a buffer pad, a mixed flow fan main body, a silencing cover, soundproof cotton and a sound absorbing plate; the two sides of the lower part of the fixed sleeve are fixedly provided with mounting seats in a welding mode, and a buffer cushion is arranged in the fixed sleeve in an adhesive mode; the mixed flow fan main body is sleeved in the buffer cushion in a clearance fit mode, and the front end of the mixed flow fan main body is provided with a silencing cover through bolts; the soundproof cotton is respectively arranged in an interlayer of the mixed flow fan main body and the silencing cover in an embedding manner; the sound absorbing plate is fixedly arranged in the silencing cover in an adhering mode.
As a further optimization of the technical scheme, the buffer pad of the sound-damping low-noise mixed flow fan is cylindrical made of rubber materials, and the buffer pad is fixedly arranged in the cylindrical fixing sleeve in an adhesive mode.
As further optimization of the technical scheme, the silencing cover of the silencing low-noise mixed flow fan is of a cylindrical structure with a flange at one end.
As a further optimization of the technical scheme, the sound absorbing plate of the sound-damping low-noise mixed flow fan is of a rectangular plate structure, and at least three parts are uniformly arranged in the sound-damping cover in a transverse interval arrangement mode.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. according to the noise-eliminating low-noise mixed flow fan, the soundproof cotton is added in the interlayer between the main body of the mixed flow fan and the noise-eliminating cover, so that noise generated during operation of a motor and an impeller can be greatly reduced, the influence on the surrounding environment caused by noise is avoided, and the practicability of the device is greatly improved.
2. According to the silencing low-noise mixed flow fan, the buffer pad is added between the mixed flow fan main body and the fixed sleeve, so that vibration generated between the mixed flow fan main body and the fixed sleeve can be isolated and damped, the effect of buffering and damping is achieved, the influence of vibration on the surrounding environment is avoided, and the practicability of the device is greatly improved.
3. According to the noise-eliminating low-noise mixed flow fan, the noise-eliminating cover is added to the air outlet of the mixed flow fan main body, and the noise-eliminating cover is matched with the sound-absorbing plate in the noise-eliminating cover to absorb and reduce wind noise generated by the air outlet, so that the noise-eliminating low-noise effect of the device is greatly improved, and the device has a higher practical value.
4. The utility model has the advantages of remarkable noise elimination and reduction effect, buffer vibration reduction function, great improvement of practical performance and practical value and the like by improving the structure of the device, thereby effectively solving the problems and defects in the prior device.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a partially exploded and enlarged schematic view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
FIG. 4 is a schematic view of a cushion mounting structure according to the present utility model;
fig. 5 is a schematic view of the structure of the muffler cover of the present utility model.
In the figure: the sound-proof and noise-proof combined fan comprises a fixed sleeve 1, a mounting seat 2, a cushion pad 3, a mixed flow fan body 4, a noise-proof cover 5, sound-proof cotton 6 and a sound-absorbing plate 7.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Meanwhile, in the description of the present utility model, unless explicitly stated and defined otherwise, the terms "connected", "connected" and "connected" should be interpreted broadly, and for example, may be fixedly connected, detachably connected, or integrally connected; the mechanical connection and the electrical connection can be adopted; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 5, the present utility model provides a specific technical embodiment of a noise-reducing low-noise mixed flow fan:
a sound-deadening low-noise mixed-flow fan, comprising: the sound-proof device comprises a fixed sleeve 1, a mounting seat 2, a buffer pad 3, a mixed flow fan main body 4, a sound-proof cover 5, sound-proof cotton 6 and a sound-absorbing plate 7; the two sides of the lower part of the fixed sleeve 1 are fixedly provided with mounting seats 2 in a welding mode, and a buffer cushion 3 is arranged in the fixed sleeve 1 in an adhesive mode; the mixed flow fan main body 4 is sleeved in the buffer cushion 3 in a clearance fit mode, and the front end of the mixed flow fan main body 4 is provided with a silencing cover 5 through bolts; the soundproof cotton 6 is respectively arranged in the interlayer of the mixed flow fan main body 4 and the silencing cover 5 in an embedding way; the sound absorbing plate 7 is fixedly installed inside the noise reduction cover 5 by means of adhesion.
Specifically, the cushion pad 3 is cylindrical made of rubber materials, and the cushion pad 3 is fixedly mounted in the cylindrical fixing sleeve 1 in an adhesion mode, and in combination with the illustration of fig. 1, the cushion pad 3 can play a role in buffering and damping between the mixed flow fan main body 4 and the fixing sleeve 1, so that the influence caused by the transmission of vibration generated by a motor and an impeller to the outside is avoided.
Specifically, the silencing cover 5 is of a cylindrical structure with a flange at one end, and the silencing cover 5 is matched with a plurality of sound absorbing boards 7 inside, so that the calling sound generated when the air suction port of the mixed flow fan main body 4 blows air can be reduced, and the noise is reduced.
Specifically, the sound absorbing plate 7 has a rectangular plate structure, and the sound absorbing plate 7 is uniformly arranged at least three places in the interior of the noise reduction cover 5 at intervals in the transverse direction.
The specific implementation steps are as follows:
when the device is used, firstly, the device is fixed at a designated installation position through the installation seat 2 by using bolts, the mixed flow fan main body 4 starts to work, noise generated by the motor and the impeller can be subjected to sound insulation and noise reduction through the soundproof cotton 6, meanwhile, the air blowing port also is subjected to sound absorption and noise reduction through the silencing cover 5 and the inside acoustic board 7, and the buffer pad 3 can also play a role in buffering and vibration reduction between the mixed flow fan main body 4 and the installation seat 2, so that the device has the effects of silencing and reducing noise, and further has practical performance and practical value.
To sum up: according to the noise-eliminating low-noise mixed flow fan, the soundproof cotton is added in the interlayer between the main body of the mixed flow fan and the noise-eliminating cover, so that noise generated during operation of the motor and the impeller can be greatly reduced, the influence on the surrounding environment is avoided, and the practicability of the device is greatly improved; vibration generated between the mixed flow fan main body and the fixed sleeve can be isolated and damped by adding a buffer pad between the mixed flow fan main body and the fixed sleeve, so that the buffer damping effect is achieved, the vibration influence on the surrounding environment is avoided, and the practical performance of the device is greatly improved; through increase the amortization cover on the air outlet of mixed flow fan main part to and the inside abatvoix of cooperation amortization cover can inhale the sound to the wind noise that the air outlet produced and fall the noise, improve the noise elimination low noise effect of the device greatly, make it possess practical value more, thereby effectually solved problem and the not enough that appear in the current device.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A sound-deadening low-noise mixed-flow fan, comprising: the device comprises a fixed sleeve (1), a mounting seat (2), a buffer pad (3), a mixed flow fan main body (4), a silencing cover (5), soundproof cotton (6) and a sound absorbing plate (7); the method is characterized in that: the two sides of the lower part of the fixed sleeve (1) are fixedly provided with mounting seats (2) in a welding mode, and a buffer cushion (3) is arranged in the fixed sleeve (1) in an adhesive mode; the mixed flow fan main body (4) is sleeved in the buffer pad (3) in a clearance fit mode, and the front end of the mixed flow fan main body (4) is provided with a silencing cover (5) through bolts; the soundproof cotton (6) is respectively arranged in an interlayer of the mixed flow fan main body (4) and the silencing cover (5) in an embedding way; the sound absorbing plate (7) is fixedly arranged in the silencing cover (5) in an adhering mode.
2. The muffling low-noise mixed-flow fan of claim 1, wherein: the cushion pad (3) is cylindrical made of rubber materials, and the cushion pad (3) is fixedly arranged in the cylindrical fixing sleeve (1) in an adhesive mode.
3. The muffling low-noise mixed-flow fan of claim 1, wherein: the silencing cover (5) is of a cylindrical structure with a flange at one end.
4. The muffling low-noise mixed-flow fan of claim 1, wherein: the sound absorbing plate (7) is of a rectangular plate-shaped structure, and the sound absorbing plates (7) are uniformly arranged at least three places in the silencing cover (5) at intervals in the transverse direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321140286.4U CN220168186U (en) | 2023-05-10 | 2023-05-10 | Noise elimination low noise formula mixed flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321140286.4U CN220168186U (en) | 2023-05-10 | 2023-05-10 | Noise elimination low noise formula mixed flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220168186U true CN220168186U (en) | 2023-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321140286.4U Active CN220168186U (en) | 2023-05-10 | 2023-05-10 | Noise elimination low noise formula mixed flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220168186U (en) |
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2023
- 2023-05-10 CN CN202321140286.4U patent/CN220168186U/en active Active
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