CN216618033U - Electric fan vibration/noise reduction device and electric fan with same - Google Patents
Electric fan vibration/noise reduction device and electric fan with same Download PDFInfo
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- CN216618033U CN216618033U CN202122093616.6U CN202122093616U CN216618033U CN 216618033 U CN216618033 U CN 216618033U CN 202122093616 U CN202122093616 U CN 202122093616U CN 216618033 U CN216618033 U CN 216618033U
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Abstract
The utility model relates to the technical field of fan equipment, in particular to a damping and noise-reducing device of an electric fan and the electric fan with the same, which comprises a substrate and a connecting disc, wherein the connecting disc is positioned below the substrate, two groups of buffer mechanisms are arranged between the substrate and the connecting disc, and the two groups of buffer mechanisms are in a vertical staggered state; the buffer mechanism comprises two first guide rails fixed at the bottom of the substrate, a first mounting plate is arranged on each first guide rail in a sliding manner, a second guide rail and a first lead screw are arranged between the two first mounting plates, and the first lead screw is rotationally connected with the first mounting plate; buffering processing is carried out to the connection pad through two sets of buffer gear in step, can conveniently carry out vibration/noise reduction processing to the vibrations that produce when the electric fan moves to effective noise reduction's production and transmission avoid the noise to cause the injury to the human body, avoid the noise to cause the pollution to the environment simultaneously, improve the practicality.
Description
Technical Field
The utility model relates to the technical field of fan equipment, in particular to a damping and noise-reducing device for an electric fan and the electric fan with the same.
Background
The electric fan is characterized in that a fan blade is arranged on the fan body, and the fan blade is connected with a motor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a damping and noise reducing device for an electric fan and the electric fan with the same.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the fan damping and noise reducing device comprises a substrate and a connecting disc, wherein the connecting disc is positioned below the substrate, two groups of buffer mechanisms are arranged between the substrate and the connecting disc, and the two groups of buffer mechanisms are in a vertically staggered state;
the buffer mechanism comprises two first guide rails fixed at the bottom of the base plate, a first mounting plate is arranged on each first guide rail in a sliding mode, a second guide rail and a first lead screw are arranged between the two first mounting plates, the first lead screw is rotatably connected with the first mounting plates, two torsion springs are sleeved on the first lead screw, and the outer ends of the two torsion springs are respectively fixed on the side walls of the two first mounting plates;
two second mounting plates are arranged on the second guide rail in a sliding mode, the first lead screw penetrates through the second mounting plates and is connected with the second lead screw in a threaded mode, a plate spring is mounted on the side wall of each second mounting plate, and the outer end of each plate spring is fixed to the side wall of the corresponding first mounting plate;
the top of the connecting disc is provided with a fixing ring, a cross is arranged in the fixing ring, and the bottoms of four second mounting plates in the two groups of buffer mechanisms are respectively fixed on four branches on the cross;
and the bottom of the connecting disc is provided with a connecting mechanism.
Furthermore, the connecting mechanism comprises an upright post vertically installed at the bottom of the connecting disc, the upright post is located in the middle of the connecting disc, a connecting ball is installed at the bottom of the upright post, a swinging disc is rotatably installed on the connecting ball, four third installation plates are uniformly installed on the outer side wall of the swinging disc, the third installation plates are arranged on the horizontal plane along the radial direction of the swinging disc, and the third installation plates are inclined on the vertical plane;
the pushing mechanism is fixed at the bottom of the connecting disc, a pushing plate is mounted on the pushing mechanism, a sliding block is rotatably arranged at the bottom of the pushing plate, a third guide rail is slidably arranged at the bottom of the sliding block and fixed on the upper surface of the third mounting plate;
the outer end of every third mounting panel all vertically is provided with the fourth mounting panel.
Furthermore, the pushing mechanism comprises a fourth guide rail, the fourth guide rail is installed at the bottom of the connecting disc, the length direction of the fourth guide rail is along the radial direction of the connecting disc, fifth installation plates are installed at two ends of the fourth guide rail, a second lead screw is arranged below the fourth guide rail in parallel, and two ends of the second lead screw are respectively and rotatably installed on the two fifth installation plates;
the top of the pushing plate is slidably mounted on the fourth guide rail, and the second lead screw penetrates through the pushing plate and is in threaded connection;
the first motor is installed on a fifth installation plate and is in transmission connection with the second lead screw.
Further, be provided with first fixed plate on the lateral wall of fourth mounting panel, the spring is installed at the top of first fixed plate, the second fixed plate is installed at the top of spring, the second fixed plate is fixed on the lateral wall of connection pad.
The electric fan comprises an electric fan damping and noise reducing device and a circular outer cover, wherein the circular outer cover is fixed at the bottoms of four fourth mounting plates, the opening of the circular outer cover faces towards, and a plurality of air suction holes are uniformly formed in the top of the circular outer cover;
the vertical pivot that is provided with in the circular dustcoat, evenly install many flabellums on the outer wall of pivot, the top of pivot is passed circular dustcoat stretches out to the top of circular dustcoat, the top of pivot is provided with the second motor, evenly install many connecting rods on the lateral wall of second motor, the outer end of connecting rod is fixed on the lateral wall of fourth mounting panel.
Further, a plurality of scrapers are evenly installed on the outer wall of the rotating shaft at the top of the circular outer cover, the scrapers are integrally arc-shaped, the lower sides of the scrapers are kept in a vertical state, and the upper sides of the scrapers are inclined.
Furthermore, the inner wall of the circular outer cover is laid with a sound absorption cotton layer.
Furthermore, limiting plates are mounted at two ends of the first guide rail.
Compared with the prior art, the utility model has the beneficial effects that: the electric fan is fixed on the connecting disc through the connecting mechanism, when the electric fan runs and generates vibration, the vibration of the electric fan is transmitted to the connecting disc through the connecting mechanism, the connecting disc transmits the vibration to the two groups of buffer mechanisms through the fixing ring and the cross, when the connecting disc is in a transverse vibration state, the cross drives the two second mounting plates in the buffer mechanisms on the connecting disc to transversely move, the two second mounting plates slide on the second guide rail, meanwhile, because the two second mounting plates are both in threaded connection with the first lead screw, the two second mounting plates synchronously push the first lead screw to rotate, the first lead screw rotates on the two first mounting plates, the first lead screw drives the two torsional springs on the first lead screw to generate torsional deformation, the torsional springs buffer the first lead screw, the second mounting plates are buffered, and meanwhile, the second mounting plates in a moving state push the plate springs to generate elastic deformation, the plate spring synchronously buffers the second mounting plate, so that the transverse vibration state of the connecting disc is buffered, at the moment, the cross synchronously drives the second mounting plate in the other group of buffer mechanisms to move, the second mounting plate in the group of buffer mechanisms drives the first mounting plate to slide on the first guide rail, when the connecting disc is in the longitudinal vibration state, the cross drives the torsion spring and the plate spring in the other group of buffer mechanisms to buffer the second mounting plate, so that the longitudinal vibration state of the connecting disc is buffered, at the moment, the cross drives the first mounting plate in the first group of buffer mechanisms to slide on the first guide rail, the connecting disc is synchronously buffered through the two groups of buffer mechanisms, the vibration generated during the operation of the electric fan can be conveniently subjected to vibration and noise reduction, the generation and the transmission of noise are effectively reduced, and the noise is prevented from causing damage to human bodies, meanwhile, the noise is avoided from polluting the environment, and the practicability is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the circular housing of FIG. 1;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is an enlarged view of a portion B of FIG. 2;
FIG. 5 is an enlarged view of a portion of the structure of FIG. 2 at C;
in the drawings, the reference numbers: 1. a substrate; 2. connecting the disc; 3. a first guide rail; 4. a first mounting plate; 5. a second guide rail; 6. a first lead screw; 7. a torsion spring; 8. a second mounting plate; 9. a plate spring; 10. a cross; 11. a fixing ring; 12. a column; 13. a connecting ball; 14. a wobble plate; 15. a third mounting plate; 16. a third guide rail; 17. a slider; 18. a push plate; 19. a fourth mounting plate; 20. a fourth guide rail; 21. a fifth mounting plate; 22. a second lead screw; 23. a first motor; 24. a first fixing plate; 25. a spring; 26. a second fixing plate; 27. a circular housing; 28. a rotating shaft; 29. a fan blade; 30. a second motor; 31. a connecting rod; 32. a squeegee; 33. a sound absorbing cotton layer; 34. and a limiting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect through an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. This embodiment is written in a progressive manner.
As shown in fig. 1 to 5, the damping and noise reducing device for an electric fan of the present invention comprises a substrate 1 and a connecting disc 2, wherein the connecting disc 2 is located below the substrate 1, two sets of buffer mechanisms are arranged between the substrate 1 and the connecting disc 2, and the two sets of buffer mechanisms are in a vertically staggered state;
the buffer mechanism comprises two first guide rails 3 fixed at the bottom of the base plate 1, first mounting plates 4 are arranged on the first guide rails 3 in a sliding mode, a second guide rail 5 and a first lead screw 6 are mounted between the two first mounting plates 4, the first lead screw 6 is rotatably connected with the first mounting plates 4, two torsion springs 7 are sleeved on the first lead screw 6, and the outer ends of the two torsion springs 7 are respectively fixed on the side walls of the two first mounting plates 4;
the second guide rail 5 is provided with two second mounting plates 8 in a sliding manner, the first lead screw 6 penetrates through the second mounting plates 8 and is connected with the second mounting plates in a threaded manner, the side wall of each second mounting plate 8 is provided with a plate spring 9, and the outer end of each plate spring 9 is fixed on the side wall of the first mounting plate 4;
the top of the connecting disc 2 is provided with a fixing ring 11, a cross 10 is arranged in the fixing ring 11, and the bottoms of four second mounting plates 8 in the two groups of buffer mechanisms are respectively fixed on four branches on the cross 10;
and the bottom of the connecting disc 2 is provided with a connecting mechanism.
In the embodiment, an electric fan is fixed on a connecting disc 2 through a connecting mechanism, when the electric fan runs and generates vibration, the electric fan transmits the vibration to the connecting disc 2 through the connecting mechanism, the connecting disc 2 transmits the vibration to two groups of buffer mechanisms through a fixing ring 11 and a cross 10, when the connecting disc 2 is in a transverse vibration state, the cross 10 drives two second mounting plates 8 in one group of buffer mechanisms on the connecting disc to transversely move, the two second mounting plates 8 slide on a second guide rail 5, meanwhile, because the two second mounting plates 8 are both in threaded connection with a first lead screw 6, the two second mounting plates 8 synchronously push the first lead screw 6 to rotate, the first lead screw 6 rotates on the two first mounting plates 4, meanwhile, the first lead screw 6 drives two torsion springs 7 on the first lead screw 6 to generate torsional deformation, the torsion springs 7 buffer the first lead screw 6, and buffer the second mounting plates 8, meanwhile, the second mounting plate 8 in a moving state pushes the plate spring 9 to generate elastic deformation, the plate spring 9 synchronously buffers the second mounting plate 8, so that the transverse vibration state of the connecting disc 2 is buffered, at the same time, the cross 10 synchronously drives the second mounting plate 8 in another group of buffer mechanisms to move, the second mounting plate 8 in the group of buffer mechanisms drives the first mounting plate 4 to slide on the first guide rail 3, when the connecting disc 2 is in a longitudinal vibration state, the cross 10 drives the torsion spring 7 in the other group of buffer mechanisms and the plate spring 9 to buffer the second mounting plate 8, so that the longitudinal vibration state of the connecting disc 2 is buffered, at the same time, the cross 10 drives the first mounting plate 4 in the first group of buffer mechanisms to slide on the first guide rail 3, the connecting disc 2 is synchronously buffered through the two groups of buffer mechanisms, and the vibration generated during the operation of the electric fan can be conveniently damped and reduced in noise, thereby effectively reduce the production and the transmission of noise, avoid the noise to cause the injury to the human body, avoid the noise to cause the pollution to the environment simultaneously, improve the practicality.
As a preference of the above embodiment, the connection mechanism includes an upright post 12 vertically installed at the bottom of the connection disc 2, the upright post 12 is located in the middle of the connection disc 2, a connection ball 13 is installed at the bottom of the upright post 12, a swing disc 14 is rotatably installed on the connection ball 13, four third installation plates 15 are uniformly installed on the outer side wall of the swing disc 14, the third installation plates 15 are along the radial direction of the swing disc 14 on the horizontal plane, and the third installation plates 15 are inclined on the vertical plane;
the device is characterized by further comprising two groups of pushing mechanisms, wherein the two groups of pushing mechanisms are perpendicular to each other on a horizontal plane, the pushing mechanisms are fixed to the bottom of the connecting disc 2, pushing plates 18 are mounted on the pushing mechanisms, sliding blocks 17 are rotatably arranged at the bottoms of the pushing plates 18, third guide rails 16 are slidably arranged at the bottoms of the sliding blocks 17, and the third guide rails 16 are fixed to the upper surface of the third mounting plate 15;
the outer end of each third mounting plate 15 is vertically provided with a fourth mounting plate 19.
In this embodiment, the electric fan is fixed at the bottom of four fourth mounting plates 19, two sets of pushing mechanisms respectively push two pushing plates 18 to move, the two pushing plates 18 keep moving in translation, the pushing plates 18 push the sliding block 17 to slide on the third guide rail 16, meanwhile, as the third mounting plate 15 is in an inclined state, the pushing plate 18 pushes the third mounting plate 15 to perform inclined rotation through the sliding block 17 and the third guide rail 16, the third mounting plate 15 pushes the electric fan to incline through the fourth mounting plate 19, so as to adjust the inclination angle of the electric fan, because the two groups of pushing mechanisms are mutually vertical on the horizontal plane, the electric fan can conveniently carry out blowing treatment on different directions, when the third mounting plate 15 rotates obliquely, the third mounting plate 15 drives the swinging disk 14 to rotate obliquely on the connecting ball 13, by arranging the upright posts 12, the connecting balls 13 and the swinging disc 14, the four third mounting plates 15 and the electric fan can be conveniently supported.
Preferably, the pushing mechanism includes a fourth guide rail 20, the fourth guide rail 20 is mounted at the bottom of the connecting disc 2, the length direction of the fourth guide rail 20 is along the radial direction of the connecting disc 2, fifth mounting plates 21 are mounted at both ends of the fourth guide rail 20, a second lead screw 22 is arranged below the fourth guide rail 20 in parallel, and both ends of the second lead screw 22 are respectively rotatably mounted on the two fifth mounting plates 21;
the top of the pushing plate 18 is slidably mounted on the fourth guide rail 20, and the second lead screw 22 passes through the pushing plate 18 and is connected in a threaded manner;
the multifunctional screw driver further comprises a first motor 23, wherein the first motor 23 is installed on a fifth installation plate 21, and the first motor 23 is in transmission connection with the second screw 22.
In this embodiment, the first motor 23 drives the second lead screw 22 to rotate, and since the second lead screw 22 is connected to the pushing plate 18 in a threaded manner, the second lead screw 22 pushes the pushing plate 18 to perform a translational motion, and the pushing plate 18 slides on the fourth guide rail 20, so as to achieve the purpose of adjusting the inclination angle of the electric fan.
Preferably, in the above embodiment, a first fixing plate 24 is disposed on an outer side wall of the fourth mounting plate 19, a spring 25 is mounted on a top portion of the first fixing plate 24, a second fixing plate 26 is mounted on a top portion of the spring 25, and the second fixing plate 26 is fixed on an outer side wall of the connecting plate 2.
In this embodiment, the spring 25 always generates elastic tension on the first fixing plate 24 and the second fixing plate 26, so as to generate elastic tension on the connection disc 2 and the fourth mounting plate 19, thereby improving the stability of the fourth mounting plate 19 during movement, and meanwhile, the spring 25 can buffer and reduce noise of the connection mechanism in an operating state.
The electric fan comprises an electric fan damping and noise reducing device and a circular outer cover 27, wherein the circular outer cover 27 is fixed at the bottoms of four fourth mounting plates 19, the opening of the circular outer cover 27 faces to the direction, and a plurality of air suction holes are uniformly formed in the top of the circular outer cover 27;
the vertical pivot 28 that is provided with in the circular dustcoat 27, evenly install many flabellums 29 on the outer wall of pivot 28, the top of pivot 28 is passed circular dustcoat 27 and stretch out to the top of circular dustcoat 27, the top of pivot 28 is provided with second motor 30, evenly install many connecting rods 31 on the lateral wall of second motor 30, the outer end of connecting rod 31 is fixed on the lateral wall of fourth mounting panel 19.
In this embodiment, the connecting rod 31 supports and fixes the second motor 30, the second motor 30 drives the plurality of fan blades 29 to rotate synchronously through the rotating shaft 28, the plurality of fan blades 29 push the air in the circular outer cover 27 downwards, so as to generate wind power, and the outside air enters the circular outer cover 27 through the plurality of air suction holes in the circular outer cover 27.
Preferably, a plurality of scrapers 32 are uniformly mounted on the outer wall of the rotating shaft 28 at the top of the circular housing 27, the scrapers 32 are arc-shaped as a whole, the lower side of the scrapers 32 is kept vertical, and the upper side of the scrapers 32 is inclined.
In this embodiment, a plurality of scrapers 32 of pivot 28 synchronous drive rotate, and the inclined position on the scraper 32 can be with the downward propelling movement of the air of base plate 1 top to conveniently make the air pass the suction opening fast and get into circular dustcoat 27 in, the scraper 32 downside vertical position of rotation state can scrape the clearance processing to circular dustcoat 27 top simultaneously, thereby conveniently carries out clearance processing to the impurity of suction opening interception on the circular dustcoat 27.
In the above embodiment, the sound absorbing cotton layer 33 is preferably applied to the inner wall of the circular cover 27.
In this embodiment, by providing the sound absorbing cotton layer 33, the vibration generated when the air flows in the circular housing 27 can be easily damped, thereby reducing the noise generated when the air flows.
As a preference of the above embodiment, the first guide rail 3 is mounted with the stopper plates 34 at both ends.
In this embodiment, through setting up limiting plate 34, can conveniently carry out spacing processing to the sliding position of first mounting panel 4, avoid first mounting panel 4 and first guide rail 3 to break away from.
The mounting mode, the connecting mode or the setting mode of the damping and noise reducing device for the electric fan and the electric fan with the damping and noise reducing device are common mechanical modes, and the damping and noise reducing device can be implemented as long as the beneficial effects of the damping and noise reducing device can be achieved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The damping and noise-reducing device for the electric fan is characterized by comprising a substrate (1) and a connecting disc (2), wherein the connecting disc (2) is positioned below the substrate (1), two groups of buffer mechanisms are arranged between the substrate (1) and the connecting disc (2), and the two groups of buffer mechanisms are in a vertically staggered state;
the buffer mechanism comprises two first guide rails (3) fixed at the bottom of the base plate (1), a first mounting plate (4) is arranged on each first guide rail (3) in a sliding mode, a second guide rail (5) and a first lead screw (6) are arranged between the two first mounting plates (4), the first lead screw (6) is rotatably connected with the first mounting plates (4), two torsion springs (7) are sleeved on the first lead screw (6), and the outer ends of the two torsion springs (7) are respectively fixed on the side walls of the two first mounting plates (4);
the second guide rail (5) is provided with two second mounting plates (8) in a sliding mode, the first lead screw (6) penetrates through the second mounting plates (8) and is connected with the second mounting plates in a threaded mode, a plate spring (9) is mounted on the side wall of each second mounting plate (8), and the outer end of each plate spring (9) is fixed on the side wall of the first mounting plate (4);
the top of the connecting disc (2) is provided with a fixing ring (11), a cross (10) is arranged in the fixing ring (11), and the bottoms of four second mounting plates (8) in the two groups of buffer mechanisms are respectively fixed on four branches on the cross (10);
and a connecting mechanism is arranged at the bottom of the connecting disc (2).
2. A shock-absorbing and noise-reducing device for electric fans as claimed in claim 1, wherein said connecting mechanism comprises a vertical column (12) vertically installed at the bottom of said connecting disc (2), said vertical column (12) is located at the middle position of said connecting disc (2), a connecting ball (13) is installed at the bottom of said vertical column (12), a swinging disc (14) is rotatably installed on said connecting ball (13), four third mounting plates (15) are uniformly installed on the outer side wall of said swinging disc (14), said third mounting plates (15) are along the radial direction of said swinging disc (14) on the horizontal plane, and said third mounting plates (15) are inclined on the vertical plane;
the device is characterized by further comprising two groups of pushing mechanisms, wherein the two groups of pushing mechanisms are perpendicular to each other on a horizontal plane, the pushing mechanisms are fixed to the bottom of the connecting disc (2), pushing plates (18) are mounted on the pushing mechanisms, sliding blocks (17) are rotatably arranged at the bottoms of the pushing plates (18), third guide rails (16) are slidably arranged at the bottoms of the sliding blocks (17), and the third guide rails (16) are fixed to the upper surface of the third mounting plate (15);
the outer end of each third mounting plate (15) is vertically provided with a fourth mounting plate (19).
3. A shock-absorbing and noise-reducing device for an electric fan as claimed in claim 2, wherein said pushing mechanism comprises a fourth guide rail (20), said fourth guide rail (20) is mounted at the bottom of said connecting disc (2), the length direction of said fourth guide rail (20) is along the radial direction of said connecting disc (2), both ends of said fourth guide rail (20) are mounted with fifth mounting plates (21), a second lead screw (22) is disposed below said fourth guide rail (20) in parallel, both ends of said second lead screw (22) are respectively rotatably mounted on two fifth mounting plates (21);
the top of the push plate (18) is slidably mounted on the fourth guide rail (20), and the second lead screw (22) penetrates through the push plate (18) and is in threaded connection;
the screw driver further comprises a first motor (23), the first motor (23) is installed on a fifth installation plate (21), and the first motor (23) is in transmission connection with the second lead screw (22).
4. A fan shock-absorbing and noise-reducing device as defined in claim 3, wherein said fourth mounting plate (19) is provided with a first fixing plate (24) on the outer side wall thereof, a spring (25) is mounted on the top of said first fixing plate (24), a second fixing plate (26) is mounted on the top of said spring (25), and said second fixing plate (26) is fixed on the outer side wall of said connecting plate (2).
5. An electric fan, comprising the electric fan vibration and noise reduction device as claimed in any one of claims 1 to 4, further comprising a circular outer cover (27), wherein the circular outer cover (27) is fixed at the bottom of the four fourth mounting plates (19), the circular outer cover (27) has an opening facing, and a plurality of air suction holes are uniformly formed in the top of the circular outer cover (27);
vertically in circular dustcoat (27) be provided with pivot (28), evenly install many flabellums (29) on the outer wall of pivot (28), the top of pivot (28) is passed circular dustcoat (27) and stretch out extremely the top of circular dustcoat (27), the top of pivot (28) is provided with second motor (30), evenly install many connecting rods (31) on the lateral wall of second motor (30), the outer end of connecting rod (31) is fixed on the lateral wall of fourth mounting panel (19).
6. The electric fan as claimed in claim 5, wherein a plurality of scrapers (32) are uniformly mounted on the outer wall of the rotating shaft (28) at the top of the circular housing (27), the scrapers (32) are integrally arc-shaped, the lower sides of the scrapers (32) are kept in a vertical state, and the upper sides of the scrapers (32) are inclined.
7. The electric fan as claimed in claim 6, wherein the sound absorbing cotton layer (33) is laid on the inner wall of said circular housing (27).
8. The electric fan as claimed in claim 7, wherein the first guide rail (3) is provided at both ends thereof with a stopper plate (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122093616.6U CN216618033U (en) | 2021-08-31 | 2021-08-31 | Electric fan vibration/noise reduction device and electric fan with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122093616.6U CN216618033U (en) | 2021-08-31 | 2021-08-31 | Electric fan vibration/noise reduction device and electric fan with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216618033U true CN216618033U (en) | 2022-05-27 |
Family
ID=81682672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122093616.6U Active CN216618033U (en) | 2021-08-31 | 2021-08-31 | Electric fan vibration/noise reduction device and electric fan with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216618033U (en) |
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2021
- 2021-08-31 CN CN202122093616.6U patent/CN216618033U/en active Active
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