CN218377071U - Integrated low-noise centrifugal fan - Google Patents
Integrated low-noise centrifugal fan Download PDFInfo
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- CN218377071U CN218377071U CN202222690078.3U CN202222690078U CN218377071U CN 218377071 U CN218377071 U CN 218377071U CN 202222690078 U CN202222690078 U CN 202222690078U CN 218377071 U CN218377071 U CN 218377071U
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Abstract
The utility model relates to a centrifugal fan technical field specifically is an integral type low noise centrifugal fan, including the fan shell, fan shell openly upper portion department is equipped with the air outlet, fan shell back lower part is equipped with the air intake, air outlet and air intake terminal surface all are equipped with the first sealing washer of multiunit, the inside terminal surface department that is close to of air outlet and air intake is equipped with rubber hose, the inside fan blade cover that is equipped with of fan shell, the fan blade cover outside is equipped with the multiunit fan blade, the department is connected with the pivot in the middle of the fan blade cover, pivot one end is connected with the third rubber circle, the one end that the third rubber circle was kept away from in the pivot is connected with second rubber circle and shaft coupling, the one end that the second rubber circle was kept away from to the shaft coupling is connected with the fan motor, fan motor outside is equipped with the first rubber circle of multiunit, first rubber circle outside is equipped with the abatvoix, the abatvoix outside is equipped with the sound-proof housing, sound-proof housing one end is equipped with the multiunit.
Description
Technical Field
The utility model relates to a centrifugal fan technical field specifically is an integral type low noise centrifugal fan.
Background
The centrifugal fan is a general mechanical device with wide application, is widely applied in industry and civilian use, brings convenience to people, generates great noise when the fan operates, and seriously affects the surrounding environment and the life of people.
Therefore, it is necessary to design an integrated low-noise centrifugal fan to solve the above problems in the background art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem in the prior art, and the integral type low noise centrifugal fan who provides.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an integral type low noise centrifugal fan, includes the fan shell, fan shell openly upper portion department is equipped with the air outlet, fan shell back lower part is equipped with the air intake, air outlet and air intake terminal surface all are equipped with the first sealing washer of multiunit, air outlet and air intake are inside to be close to terminal surface department and are equipped with flexible rubber hose, the inside fan blade cover that is equipped with of fan shell, the fan blade cover outside is equipped with the multiunit fan blade, the department is connected with the pivot in the middle of the fan blade cover, pivot one end is connected with the third rubber circle, the one end that the third rubber circle was kept away from in the pivot is connected with second rubber circle and shaft coupling, the one end that the second rubber circle was kept away from to the shaft coupling is connected with the fan motor, fan motor outside is equipped with the first rubber circle of multiunit, first rubber circle outside is equipped with the abatvoix, the abatvoix outside is equipped with the sound-absorbing hood, sound-absorbing hood one end is equipped with the multiunit louvre, one side that the sound-absorbing hood is close to the fan blade cover is equipped with multiunit second sealing washer, fan motor lower extreme is equipped with the base, the base lower extreme is connected with, mounting bracket lower extreme all is equipped with first rubber pad.
As the utility model discloses preferred scheme, rubber hose is embedded in air outlet and the inside terminal surface department that is close to of air intake.
As the utility model discloses preferred scheme, pass through bolted connection between fan motor and the fan casing.
As the utility model discloses preferred scheme, the fan motor passes through the shaft coupling and the pivot is connected, connect and through the spacing locking of bolt through cup jointing between pivot and the fan blade cover, connect through cup jointing between pivot and the second rubber circle, be equipped with the bearing between pivot and the third rubber circle.
As the utility model discloses preferred scheme, through bolted connection between fan shell and the sound-proof housing, connect through cup jointing between sound-proof housing and abatvoix, first rubber circle, the fan motor.
As the utility model discloses preferred scheme, pass through bolted connection between base and first rubber pad, the mounting bracket.
To sum up, the utility model discloses a technological effect and advantage: this integral type low noise centrifugal fan, during the installation, base and the mounting bracket of fan motor lower extreme, all be equipped with the first rubber pad that reduces the vibration transmission between mounting bracket and the ground, can effectively accomplish to fall and make an uproar, pass through bolted connection between fan shell and the sound-proof housing, sound-proof housing and abatvoix, first rubber circle, connect through cup jointing between the fan motor, the sound-proof housing can partially weaken the noise that fan motor operation produced, and the abatvoix with carry out the part and inhale the sound, the vibration transmission that the reducible fan motor operation of first rubber circle produced is to the sound-proof housing, and the reducible vibration of second sealing washer is transmitted between sound-proof housing and fan shell, thereby the noise reduction produces, rubber hose is embedded in air outlet and the inside terminal surface department that is close to of air intake, and at the air outlet of fan shell, air intake connection tuber pipe department is equipped with the first sealing washer of multiunit, can give the vibration of the tuber pipe that air outlet and air inlet department are connected for the fan shell and obtain furthest weakening or elimination in rubber hose and first sealing washer, better accomplish the noise reduction of fan shell and tuber pipe junction.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is a structural view of the blower housing of the present invention;
fig. 3 is a sectional structure view of the soundproof cover of the present invention.
In the figure: 1. a fan housing; 2. an air outlet; 201. a first seal ring; 3. an air inlet; 4. a sound-proof housing; 401. heat dissipation holes; 402. a sound-absorbing panel; 403. a first rubber ring; 404. a second seal ring; 5. a fan motor; 501. a second rubber ring; 502. a rotating shaft; 503. a third rubber ring; 504. a coupling; 6. a base; 7. a mounting frame; 8. a first rubber pad; 9. a rubber hose; 10. a fan blade cover; 11. a fan blade.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, an integral type low noise centrifugal fan, including fan housing 1, fan housing 1 front upper portion department is equipped with air outlet 2, fan housing 1 back lower part is equipped with air intake 3, air outlet 2 and 3 terminal surfaces of air intake all are equipped with multiunit first sealing washer 201, air outlet 2 and 3 inside near terminal surface departments of air intake are equipped with rubber hose 9, fan housing 1 is inside to be equipped with fan blade cover 10, fan blade cover 10 outside is equipped with multiunit fan blade 11, the department is connected with pivot 502 in the middle of fan blade cover 10, pivot 502 one end is connected with third rubber circle 503, the one end that third rubber circle 503 was kept away from to pivot 502 is connected with second rubber circle 501 and shaft coupling 504, the one end that second rubber circle 501 was kept away from to shaft coupling 504 is connected with fan motor 5, fan motor 5 outside is equipped with multiunit first rubber circle 403, first rubber circle 403 outside is equipped with acoustic panel 402, acoustic panel 402 outside is equipped with acoustic panel 4, acoustic panel 4 one end is equipped with multiunit louvre 401, one side that acoustic panel 4 is close to fan blade cover 10 is equipped with multiunit second sealing washer 404, fan motor 5 lower extreme is equipped with base 6, base 6 lower extreme 7 and first rubber pad 8 are all.
Referring to fig. 1 and 2, the rubber hose 9 is embedded in the air outlet 2 and the air inlet 3, and the air outlet 2 and the air inlet 3 of the fan housing 1 are connected to the air pipe, and a plurality of sets of first sealing rings 201 are arranged at the positions where the air outlet 2 and the air inlet 3 are connected to the air pipe, so that the vibration of the air pipe connected to the air outlet 2 and the air inlet 3 can be transmitted to the fan housing 1 and reduced or eliminated at the positions of the rubber hose 9 and the first sealing rings 201 to the greatest extent, and noise reduction at the connection position of the fan housing 1 and the air pipe can be better achieved.
Referring to fig. 1, 2 and 3, a centrifugal fan is a general mechanical device with wide application, and is widely applied in industry and civilian use, although it can bring convenience to people, the noise generated when the fan operates is also very large, which seriously affects the surrounding environment and people's life, the fan motor 5 and the fan housing 1 are connected by bolts, the fan motor 5 is connected with the rotating shaft 502 by the shaft coupling 504, the rotating shaft 502 and the fan blade cover 10 are connected by sleeving and locking by bolts, the rotating shaft 502 and the second rubber ring 501 are connected by sleeving, a bearing is arranged between the rotating shaft 502 and the third rubber ring 503, the base 6 and the first rubber pad 8 are connected by bolts, and the mounting frame 7 is connected by bolts, during installation, the first rubber pads 8 for reducing vibration transmission are arranged between the base 6 and the mounting frame 7 at the lower end of the fan motor 5 and the ground, and noise reduction can be effectively achieved.
Referring to fig. 1 and 3, the blower housing 1 and the soundproof cover 4 are connected by bolts, the soundproof cover 4 and the sound absorbing plate 402, the first rubber ring 403 and the blower motor 5 are connected by sleeving, the soundproof cover 4 can partially weaken the noise generated by the operation of the blower motor 5, and the sound absorbing plate 402 and the sound absorbing plate absorb the sound partially, the first rubber ring 403 can reduce the transmission of the vibration generated by the operation of the blower motor 5 to the soundproof cover 4, and the second sealing ring 404 can reduce the transmission of the vibration between the soundproof cover 4 and the blower housing 1, thereby reducing the generation of the noise.
The working principle is as follows: when the integral type low noise centrifugal fan is installed, base 6 and mounting bracket 7 of fan motor 5 lower extreme, all be equipped with the first rubber pad 8 that reduces vibration transmission between mounting bracket 7 and the ground, can effectively accomplish to fall and make an uproar, pass through bolted connection between fan housing 1 and the sound-proof housing 4, sound-proof housing 4 and abatvoix 402, first rubber circle 403, connect through cup jointing between the fan motor 5, noise that the operation of fan motor 5 produced can be weakened partially to sound-proof housing 4, and abatvoix 402 with go on partially inhale the sound, the vibration that the reducible fan motor 5 of first rubber circle 403 produced moves is transmitted to sound-proof housing 4, and the reducible vibration of second sealing washer 404 is transmitted between sound-proof housing 4 and fan housing 1, thereby noise reduction produces, rubber hose 9 is embedded in air outlet 2 and air intake 3 inside and is close to terminal surface department, and be equipped with multiunit first sealing washer 201 in air outlet 2 of fan housing 1, air intake 3 joint department, can obtain furthest or eliminate the vibration that air hose 1 transmits the tuber pipe that air outlet 2 and air intake 3 connect in rubber hose 9 and first sealing washer 201, the better fan coupling department of making an uproar is accomplished to fall.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an integral type low noise centrifugal fan, includes fan shell (1), its characterized in that: the fan shell (1) is provided with an air outlet (2) at the upper part of the front side, an air inlet (3) is arranged at the lower part of the back side of the fan shell (1), the end faces of the air outlet (2) and the air inlet (3) are respectively provided with a plurality of groups of first sealing rings (201), a rubber hose (9) is arranged at the position close to the end face inside the air outlet (2) and the air inlet (3), a fan blade cover (10) is arranged inside the fan shell (1), a plurality of groups of fan blades (11) are arranged outside the fan blade cover (10), the middle part of the fan blade cover (10) is connected with a rotating shaft (502), one end of the rotating shaft (502) is connected with a third rubber ring (503), one end of the rotating shaft (502) far away from the third rubber ring (503) is connected with a second rubber ring (501) and a coupler (504), one end of the coupler (504) far away from the second rubber ring (501) is connected with a fan motor (5), one end of the fan motor (5) is provided with a plurality of groups of first rubber rings (403), the outside of the first rubber ring (403) is provided with a sound absorption plate (402), the outside the sound insulation plate (403), one end of the sound insulation plate (402) is provided with a plurality of the sound insulation cover (4), one side of the sound insulation cover (401) is provided with a plurality of the sound insulation cover (401), fan motor (5) lower extreme is equipped with base (6), base (6) lower extreme is connected with mounting bracket (7), mounting bracket (7) lower extreme and base (6) lower extreme all are equipped with first rubber pad (8).
2. The integrated low-noise centrifugal fan according to claim 1, wherein: the rubber hose (9) is embedded in the air outlet (2) and the air inlet (3) and is close to the end face.
3. The integrated low-noise centrifugal fan according to claim 1, wherein: the fan motor (5) is connected with the fan shell (1) through bolts.
4. The integrated low-noise centrifugal fan according to claim 1, wherein: fan motor (5) are connected through shaft coupling (504) and pivot (502), through cup jointing and through the spacing locking of bolt between pivot (502) and the fan blade cover (10), through cup jointing and connecting between pivot (502) and second rubber ring (501), be equipped with the bearing between pivot (502) and third rubber ring (503).
5. The integrated low-noise centrifugal fan according to claim 1, wherein: fan shell (1) and sound-proof housing (4) are connected through bolted connection, connect through cup jointing between sound-proof housing (4) and abatvoix (402), first rubber circle (403), fan motor (5).
6. The integrated low-noise centrifugal fan according to claim 1, wherein: the base (6) is connected with the first rubber pad (8) and the mounting rack (7) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222690078.3U CN218377071U (en) | 2022-10-12 | 2022-10-12 | Integrated low-noise centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222690078.3U CN218377071U (en) | 2022-10-12 | 2022-10-12 | Integrated low-noise centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218377071U true CN218377071U (en) | 2023-01-24 |
Family
ID=84927966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222690078.3U Active CN218377071U (en) | 2022-10-12 | 2022-10-12 | Integrated low-noise centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218377071U (en) |
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2022
- 2022-10-12 CN CN202222690078.3U patent/CN218377071U/en active Active
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