CN213928823U - Fan with noise reduction function - Google Patents
Fan with noise reduction function Download PDFInfo
- Publication number
- CN213928823U CN213928823U CN202022740141.0U CN202022740141U CN213928823U CN 213928823 U CN213928823 U CN 213928823U CN 202022740141 U CN202022740141 U CN 202022740141U CN 213928823 U CN213928823 U CN 213928823U
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- Prior art keywords
- support
- conical air
- fixedly connected
- fan
- noise reduction
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- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 210000004209 hair Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model belongs to the field of fans, in particular to a fan with noise reduction function, which comprises an installation mechanism, wherein the installation mechanism comprises a support tube and a first support fixed at the middle position of the inner wall of the support tube; the conical air deflector and the conical air deflector ring can shield and refract sound, the transmission capacity of the sound is weakened, the noise is reduced, the stepping motor drives the connecting shaft to rotate, the conical air deflector ring and the conical air deflector rotate synchronously, the conical air deflector and the conical air deflector ring in a rotating state can be in contact with bristles on the support plate, the bristles clean the conical air deflector and the conical air deflector ring, dust adhered to the conical air deflector and the conical air deflector ring is swept, the smoothness degree of the surfaces of the conical air deflector and the conical air deflector ring is guaranteed, and therefore the noise is reduced.
Description
Technical Field
The utility model relates to a fan field specifically is a fan with function of making an uproar is fallen.
Background
The fan is a driven fluid machine which increases the gas pressure and discharges the gas by means of the input mechanical energy, is a short form of gas compression and gas conveying machinery in China, and generally comprises a ventilator, a blower and a wind driven generator, wherein the ventilator is widely applied to ventilation in a closed place, so that noise reduction treatment needs to be performed on the fan.
The existing fan with the noise reduction function has the advantages that the noise reduction structure is fixed, when sound is shielded, no cleaning device is arranged, after the fan is used for a long time, a large amount of dust can be adhered to the surface of the shielding device, the surface roughness is increased, and air flow can vibrate when passing through, so that noise is generated. Accordingly, those skilled in the art have provided a fan with a noise reduction function to solve the problems set forth in the above background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fan with function of making an uproar is fallen to the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a fan with a noise reduction function comprises an installation mechanism, wherein the installation mechanism comprises a supporting tube and a first support fixed at the middle position of the inner wall of the supporting tube, a high-speed motor is fixedly connected at the middle position of the first support, a fan is fixedly connected at the output end of the high-speed motor, a sound absorption layer is fixedly bonded on the outer wall of the supporting tube, two noise reduction mechanisms are symmetrically installed inside the supporting tube and are positioned at two ends of the supporting tube, each noise reduction mechanism comprises a second support and a stepping motor fixed at the middle position of the second support, the second support is fixed on the inner wall of the supporting tube, the output end of the stepping motor is fixedly connected with a connecting shaft, three conical air guide rings are sleeved on the outer wall of the connecting shaft at equal intervals, and the inner diameters of the three conical air guide rings are sequentially reduced along the direction of the connecting shaft away from the stepping motor, the inner wall of the conical air guide ring is fixedly connected with a connecting plate, the connecting plate is fixedly connected with the connecting shaft, one end of the connecting shaft, far away from the stepping motor, is coaxially and fixedly connected with a conical air guide plate, one side of the conical air guide plate, far away from the connecting shaft, is coaxially and rotatably connected with an electric push rod, the outer side of the connecting shaft is coaxially sleeved with a conical cover corresponding to the three conical air guide rings, the telescopic end of the electric push rod is fixedly connected with a connecting rod, the connecting rod is fixedly connected with the conical cover, a spacing groove is formed in the conical cover, two cleaning mechanisms corresponding to the noise reduction mechanisms are installed on the inner wall of the supporting tube, each cleaning mechanism comprises three supporting plates, the three supporting plates are respectively positioned at the inner sides of the three conical air guide rings, and a plurality of bristles corresponding to the conical air guide rings are fixedly bonded to the two sides of the supporting plates, the supporting plates are all located on the inner sides of the avoiding grooves, and the top ends of the supporting plates are fixedly connected with the inner walls of the supporting tubes.
As a further aspect of the present invention: the bottom surface fixedly connected with of stay tube has two symmetrical arrangement's landing leg, the equal fixedly connected with buffer board in bottom surface of landing leg.
As a further aspect of the present invention: the bristles are made of nylon.
As a further aspect of the present invention: and one end of the stepping motor corresponding to the fan is coaxially and fixedly connected with an air guide cone.
As a further aspect of the present invention: the buffer plate is made of rubber, and the thickness of the buffer plate is one centimeter.
As a further aspect of the present invention: the baffle plates are fixedly connected to two ends of the inner wall of the supporting tube and correspond to the conical cover.
As a further aspect of the present invention: the maximum outer diameter of the air guide cone is the same as the outer diameter of the stepping motor.
Compared with the prior art, the beneficial effects of the utility model are that:
airflow flows through the conical air guide rings under the guidance of the three conical air guide rings and the conical air guide plates and flows to the conical cover and then is discharged, meanwhile, the conical air guide plates and the conical air guide rings can shield and refract sound, the transmission capacity of the sound is weakened, the noise is reduced, meanwhile, the sound absorption layer on the outer wall of the supporting pipe can absorb the noise and further reduce the outward conduction of the noise, the stepping motor drives the connecting shaft to rotate, the connecting shaft drives the conical air guide rings to rotate through the connecting plate, the conical air guide plates also synchronously rotate, the conical air guide plates and the conical air guide rings in a rotating state can be in contact friction with bristles on the supporting plate, the bristles clean the conical air guide plates and the conical air guide rings, dust particles adhered to the conical air guide plates and the conical air guide rings are swept, and the smoothness degree of the surfaces of the conical air guide plates and the conical air guide rings is ensured, thereby reducing noise.
Drawings
FIG. 1 is a schematic structural diagram of a fan with noise reduction function;
FIG. 2 is an enlarged view of the point A in FIG. 1;
FIG. 3 is a schematic view of a conical cover structure in a fan with noise reduction function;
fig. 4 is a schematic view of the installation position of a connecting rod in a fan with a noise reduction function.
In the figure: 1. an installation mechanism; 11. supporting a tube; 12. a first bracket; 13. a high-speed motor; 14. a fan; 15. a sound absorbing layer; 16. a support leg; 17. a buffer plate; 18. a baffle plate; 2. a noise reduction mechanism; 21. a second bracket; 22. a stepping motor; 23. a wind guide cone; 24. a connecting shaft; 25. a conical wind guide ring; 251. a connecting plate; 26. a tapered air deflector; 27. an electric push rod; 271. a connecting rod; 28. a conical cover; 281. a position avoiding groove; 3. a cleaning mechanism; 31. a support plate; 32. and (3) brush hairs.
Detailed Description
Referring to fig. 1 to 4, in an embodiment of the present invention, a fan with noise reduction function includes a mounting mechanism 1, the mounting mechanism 1 includes a supporting tube 11 and a first bracket 12 fixed at a middle position of an inner wall thereof, a high speed motor 13 is fixedly connected at a middle position of the first bracket 12, a fan 14 is fixedly connected at an output end of the high speed motor 13, a sound absorbing layer 15 is fixedly bonded to an outer wall of the supporting tube 11, two noise reduction mechanisms 2 are symmetrically mounted inside the supporting tube 11, the two noise reduction mechanisms 2 are located at two ends of the supporting tube 11, the noise reduction mechanisms 2 include a second bracket 21 and a stepping motor 22 fixed at a middle position thereof, the second bracket 21 is fixed at the inner wall of the supporting tube 11, an output end of the stepping motor 22 is fixedly connected with a connecting shaft 24, three conical wind guide rings 25 are sleeved on an outer wall of the connecting shaft 24 at equal intervals, inner diameters of the three conical wind guide rings 25 are sequentially reduced along a direction in which the connecting shaft 24 is far away from the stepping motor 22, the inner wall of the conical air guide ring 25 is fixedly connected with a connecting plate 251, the connecting plate 251 is fixedly connected with a connecting shaft 24, one end of the connecting shaft 24, which is far away from the stepping motor 22, is coaxially and fixedly connected with a conical air guide plate 26, one side of the conical air guide plate 26, which is far away from the connecting shaft 24, is coaxially and rotatably connected with an electric push rod 27, the outer side of the connecting shaft 24 is coaxially sleeved with a conical cover 28 corresponding to the three conical air guide rings 25, the telescopic end of the electric push rod 27 is fixedly connected with a connecting rod 271, the connecting rod 271 is fixedly connected with the conical cover 28, the conical cover 28 is provided with a clearance groove 281, the inner wall of the supporting tube 11 is provided with two cleaning mechanisms 3 corresponding to the noise reduction mechanism 2, each cleaning mechanism 3 comprises three supporting plates 31, the three supporting plates 31 are respectively positioned at the inner sides of the three conical air guide rings 25, a plurality, the top end of the plate 31 is fixedly connected with the inner wall of the support tube 11.
In this embodiment: the high-speed motor 13, the stepping motor 22 and the electric push rod 27 are electrically connected with an external power supply through a controller, when the air-cooled fan is used, the electric push rod 27 pushes the conical cover 28 outwards through the connecting rod 271, so that the conical cover 28 is separated from the conical air guide ring 25, the high-speed motor 13 (model 1TL0001) drives the fan 14 to rotate highly, air flows through the conical air guide ring 25 under the guidance of the three conical air guide rings 25 and the conical air guide plate 26, flows to the conical cover 28 and is discharged, meanwhile, the conical air guide plate 26 and the conical air guide ring 25 can shield and refract sound, the transmission capability of sound is weakened, the noise is reduced, meanwhile, the sound absorption layer 15 on the outer wall of the supporting tube 11 can absorb the noise, the noise is further reduced from conducting outwards, the stepping motor 22 (model 86BYGH4330) drives the connecting shaft 24 to rotate, the connecting shaft 24 drives the conical air guide ring 25 to rotate through the connecting plate 251, the conical air deflector 26 also synchronously rotates, the conical air deflector 26 and the conical air deflector ring 25 in a rotating state can be in contact friction with the bristles 32 on the support plate 31, the bristles 32 clean the conical air deflector 26 and the conical air deflector ring 25, dust particles adhered to the conical air deflector 26 and the conical air deflector ring 25 are swept away, the smoothness of the surfaces of the conical air deflector 26 and the conical air deflector ring 25 is ensured, and therefore noise is reduced, when rotating, the electric push rod 27 and the conical air deflector 26 are in rotating connection, the electric push rod 27 and the conical cover 28 do not rotate, when not in use, the electric push rod 27 (model XC6000) drives the conical cover 28 to move until the conical cover 28 covers the conical air guide ring 25 to prevent external dust from entering, when the conical cover 28 slides, the support plate 31 slides along the avoiding groove 281, and the sliding of the conical cover 28 is not influenced.
In fig. 1: the landing leg 16 of two symmetrical arrangement of bottom surface fixedly connected with of stay tube 11, landing leg 16 carries out the outrigger to stay tube 11, the equal fixedly connected with buffer board 17 in bottom surface of landing leg 16, buffer board 17 can absorb the vibration, reduce the noise that the vibration produced, the material of buffer board 17 is rubber, the buffering effect is better, and the thickness of buffer board 17 is one centimetre, guarantee effectual deformation volume, the coaxial fixedly connected with guide cone 23 of one end that step motor 22 and fan 14 correspond, can guide the air current, reduce the resistance, the biggest external diameter of guide cone 23 is the same with step motor 22's external diameter, can not produce the straight end limit, prevent that the air current from producing the eddy current noise.
In fig. 1 and 2: the material of brush hair 32 is nylon, and the brush hair 32 wearability of nylon material is better, and life is higher, the equal fixedly connected with baffle 18 in inner wall both ends of stay tube 11, and baffle 18 corresponds with conical cover 28, and baffle 18 can be spacing to conical cover 28.
The utility model discloses a theory of operation is: when in use, the electric push rod 27 pushes the conical cover 28 outwards through the connecting rod 271, so that the conical cover 28 is separated from the conical air guiding ring 25, the high-speed motor 13 drives the fan 14 to rotate at a high speed, the airflow flows through the conical air guiding ring 25 under the guidance of the three conical air guiding rings 25 and 26, flows to the conical cover 28, and is then discharged, meanwhile, the conical air guiding ring 26 and the conical air guiding ring 25 can shield and refract sound, the sound transmission capability is weakened, and the noise is reduced, meanwhile, the sound absorption layer 15 on the outer wall of the supporting tube 11 can absorb the noise, further reducing the outward conduction of the noise, the stepping motor 22 drives the connecting shaft 24 to rotate, the connecting shaft 24 drives the conical air guiding ring 25 to rotate through the connecting plate 251, the conical air guiding plate 26 also rotates synchronously, the conical air guiding plate 26 and the conical air guiding ring 25 in a rotating state can contact and rub with the bristles 32 on the supporting plate 31, the brush bristles 32 clean the tapered air deflector 26 and the tapered air guide ring 25, dust particles adhered to the tapered air deflector 26 and the tapered air guide ring 25 are swept away, smoothness of the surfaces of the tapered air deflector 26 and the tapered air guide ring 25 is guaranteed, noise is reduced, when the tapered air deflector is rotated, the electric push rod 27 and the tapered cover 28 cannot rotate due to the fact that the electric push rod 27 is rotatably connected with the tapered air deflector 26, when the tapered air deflector is not used, the electric push rod 27 drives the tapered cover 28 to move until the tapered cover 28 covers the tapered air guide ring 25, external dust is prevented from entering, when the tapered cover 28 slides, the support plate 31 slides along the avoiding groove 281 relatively, and the sliding of the tapered cover 28 cannot be influenced.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A fan with a noise reduction function comprises an installation mechanism (1), wherein the installation mechanism (1) comprises a support pipe (11) and a first support (12) fixed at the middle position of the inner wall of the support pipe, a high-speed motor (13) is fixedly connected at the middle position of the first support (12), a fan (14) is fixedly connected at the output end of the high-speed motor (13), a sound absorption layer (15) is fixedly bonded on the outer wall of the support pipe (11), the fan is characterized in that two noise reduction mechanisms (2) are symmetrically installed inside the support pipe (11), the two noise reduction mechanisms (2) are located at two ends of the support pipe (11), each noise reduction mechanism (2) comprises a second support (21) and a stepping motor (22) fixed at the middle position of the second support (21), the second support (21) is fixed on the inner wall of the support pipe (11), and the output end of the stepping motor (22) is fixedly connected with a connecting shaft (24), the outer wall of the connecting shaft (24) is sleeved with three conical air guide rings (25) at equal intervals, the inner diameters of the three conical air guide rings (25) are sequentially reduced along the direction of the connecting shaft (24) far away from the stepping motor (22), the inner wall of each conical air guide ring (25) is fixedly connected with a connecting plate (251), each connecting plate (251) is fixedly connected with the connecting shaft (24), one end of each connecting shaft (24) far away from the stepping motor (22) is coaxially and fixedly connected with a conical air guide plate (26), one side of each conical air guide plate (26) far away from the connecting shaft (24) is coaxially and rotatably connected with an electric push rod (27), the outer side of each connecting shaft (24) is coaxially sleeved with a conical cover (28) corresponding to the three conical air guide rings (25), and the telescopic end of each electric push rod (27) is fixedly connected with a connecting rod (271), the connecting rod (271) is fixedly connected with the conical cover (28), a spacing groove (281) is formed in the conical cover (28), and two cleaning mechanisms (3) corresponding to the noise reduction mechanism (2) are mounted on the inner wall of the supporting pipe (11);
the cleaning mechanism (3) comprises three support plates (31), the three support plates (31) are respectively located on the inner sides of the three conical air guide rings (25), a plurality of bristles (32) corresponding to the conical air guide rings (25) are fixedly bonded to the two sides of each support plate (31), the support plates (31) are located on the inner sides of the avoiding grooves (281), and the top ends of the support plates (31) are fixedly connected with the inner walls of the support tubes (11).
2. The fan with the noise reduction function according to claim 1, wherein two symmetrically arranged support legs (16) are fixedly connected to the bottom surface of the support tube (11), and a buffer plate (17) is fixedly connected to the bottom surfaces of the support legs (16).
3. The fan with the noise reduction function according to claim 1, wherein the bristles (32) are made of nylon.
4. The fan with the noise reduction function according to claim 1, wherein an air guide cone (23) is coaxially and fixedly connected to one end of the stepping motor (22) corresponding to the fan (14).
5. The fan with the noise reduction function according to claim 2, wherein the buffer plate (17) is made of rubber, and the thickness of the buffer plate (17) is one centimeter.
6. The fan with the noise reduction function according to claim 1, wherein baffles (18) are fixedly connected to both ends of the inner wall of the support pipe (11), and the baffles (18) correspond to the conical cover (28).
7. The fan with the noise reduction function according to claim 4, wherein the maximum outer diameter of the wind guide cone (23) is the same as the outer diameter of the stepping motor (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022740141.0U CN213928823U (en) | 2020-11-24 | 2020-11-24 | Fan with noise reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022740141.0U CN213928823U (en) | 2020-11-24 | 2020-11-24 | Fan with noise reduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213928823U true CN213928823U (en) | 2021-08-10 |
Family
ID=77172109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022740141.0U Expired - Fee Related CN213928823U (en) | 2020-11-24 | 2020-11-24 | Fan with noise reduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213928823U (en) |
-
2020
- 2020-11-24 CN CN202022740141.0U patent/CN213928823U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210810 |