CN215805307U - High-efficiency energy-saving fan capable of reducing noise - Google Patents

Abstract

The utility model discloses a high-efficiency energy-saving fan capable of reducing noise, belonging to the technical field of fans, the fan comprises a fan device, the fan device comprises a moving device, a fan assembly, a supporting device and a damping device, the diameter-variable sleeve can ensure that the outer diameter of the wind behind the blowing mechanism is increased through the second sleeve when the wind blows forwards, thereby reducing the noise of wind, preventing hands from extending into the blowing mechanism to avoid injury through the vertical plate, the semi-arc block and the transverse plate, the aperture of the back surface of the through hole is smaller than that of the front surface of the through hole, so that the wind sound can be reduced again through reducing when the wind blows, the supporting plate can rotate in one direction and compress the first elastic rod when the fan assembly vibrates through the left, right, front and rear symmetrical rotating shafts, therefore, the noise of the fan assembly vibrating in the operation process can be reduced, and the noise can be reduced fundamentally.

Description

High-efficiency energy-saving fan capable of reducing noise

Technical Field

The utility model belongs to the technical field of fans, and particularly relates to a high-efficiency energy-saving fan capable of reducing noise.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The blower is a Chinese habit abbreviation for gas compression and gas conveying machinery, and the blower generally comprises a ventilator, a blower and a wind driven generator. Fans are widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and for ventilation and draught of boilers and industrial furnaces and kilns; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grain, wind tunnel wind source and air cushion boat inflating and propelling.

Patent number CN201921739667.8 discloses a noise reduction fan, when the fan operates, the noise generated by the fan is guided into the interlayer of the air duct, and noise reduction treatment is performed by the sound-absorbing foam filled in the interlayer, by this way, the noise generated when the fan operates is reduced, thereby reducing the noise pollution to the building environment when the fan operates.

The above structure adsorbs and removes the noise after the noise is generated, and the noise cannot be reduced radically.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-efficiency energy-saving fan capable of reducing noise, aiming at solving the problem that the noise cannot be reduced from the root because the existing fan absorbs and removes the noise after the noise is generated.

In order to solve the above problems, the present invention adopts the following technical solutions.

The utility model provides an energy-conserving fan of high efficiency that can fall and make an uproar, includes the fan device, the fan device include mobile device, fan assembly, strutting arrangement and damping device, strutting arrangement assemble at mobile device's up end, the fan assembly assembles at strutting arrangement's up end, damping device assembles in the both sides of fan assembly and is connected with the up end of bottom plate, the fan assembly include fan body and protection network assembly, protection network assembly assemble at the both ends of the fan body, can prevent through the protection network assembly that the hand from stretching into the inside of fan body, and also can the noise reduction.

Preferably, the fan body include first sleeve, the one end of first sleeve be equipped with the reducing sleeve, the one end of reducing sleeve is equipped with the second sleeve, the external diameter of second sleeve is greater than first sleeve and the inside of first sleeve is equipped with and blows the mechanism and can make the wind of blowing the mechanism rear make the external diameter grow through the second sleeve when blowing forward through the reducing sleeve to reduce the noise of wind.

Preferably, the protection network assembly include, the upper and lower both sides of outer wall be equipped with the riser, the outer wall left and right sides be equipped with the diaphragm, and be equipped with a plurality of half arc pieces between every diaphragm, and be provided with a plurality of through-holes on the half arc piece, the aperture at the back of through-hole is less than positive aperture, and half arc piece is the cylinder, the aperture through the back of through-hole is less than positive aperture, can make wind reduce the wind sound once more through the reducing when blowing.

Preferably, strutting arrangement include the backup pad, the lower terminal surface of backup pad be equipped with the pivot of bilateral symmetry around, and the below of pivot is equipped with first elastic rod and can makes the backup pad to the one side rotation when fan assembly vibrations through bilateral symmetry around pivot to compress first elastic rod, thereby can reduce the sound of fan assembly vibrations in operation process.

Preferably, the damping device comprises a first plate body and a second plate body, a plurality of second elastic rods are assembled between the first plate body and the second plate body, and the ground of the second plate body is an inclined plane; thereby can compress the second elastic rod when fan assembly vibrations direction slope through the second elastic rod and reach secondary absorbing effect, further eliminate the sound of vibrations.

Preferably, the moving device comprises a bottom plate, a handle is arranged on one side of the bottom plate, and a plurality of universal wheels are arranged at the bottom of the bottom plate and are used for being held by an operator through the handle.

Preferably, the fan assembly is lapped on the upper end face of the supporting plate, and the inclined face is connected with the upper end face of the bottom plate.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, the outer diameter of the wind behind the blowing mechanism can be enlarged through the diameter-variable sleeve by the second sleeve when the wind blows forwards, so that the wind noise is reduced, the vertical plate, the semi-arc block and the transverse plate can prevent hands from stretching into the blowing mechanism to avoid injury, the aperture of the back side of the through hole is smaller than that of the front side of the through hole, so that the wind noise can be reduced again through the diameter-variable sleeve when the wind blows, the supporting plate can rotate towards one side when the fan assembly vibrates through the left, right, front and back symmetrical rotating shafts, and the first elastic rod is compressed, so that the vibration noise of the fan assembly in the operation process can be reduced, and the noise can be reduced fundamentally.

(2) According to the utility model, the second elastic rod can be compressed when the fan assembly shakes and inclines towards one direction, so that the secondary damping effect is achieved, and the sound of shaking is further eliminated.

Drawings

FIG. 1 is a schematic view of a high efficiency energy saving fan with noise reduction function according to the present invention;

FIG. 2 is a schematic diagram of a mobile device according to the present invention;

FIG. 3 is a schematic view of a fan assembly according to the present invention;

FIG. 4 is a schematic view of the fan body structure according to the present invention;

FIG. 5 is a schematic view of the structure of the protective net assembly according to the present invention;

FIG. 6 is a schematic view of the supporting device of the present invention;

fig. 7 is a schematic structural view of the shock absorbing device of the present invention.

The corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows:

1. a fan device;

2. a mobile device; 21. a base plate; 22. a universal wheel; 23. a handle;

3. a fan assembly; 31. a fan body; 311. a first sleeve; 312. a second sleeve; 313. a blowing mechanism;

314. a variable diameter sleeve; 32. a protective net assembly; 321. a vertical plate; 322. a half-arc block; 323. a through hole; 324. a transverse plate;

4. a support device; 41. a support plate; 42. a rotating shaft; 43. a first resilient lever;

5. a damping device; 51. a first plate body; 52. a second elastic rod; 53. a second plate body; 54. a bevel.

Detailed Description

The utility model is further described below in connection with specific embodiments.

Example 1

As shown in fig. 1, which is a schematic structural view of a noise-reducing high-efficiency energy-saving fan according to a preferred embodiment of the present invention, the noise-reducing high-efficiency energy-saving fan includes a fan device 1, where the fan device 1 includes a moving device 2, a fan assembly 3, a supporting device 4 and a damping device 5, the supporting device 4 is assembled on an upper end surface of the moving device 2, the fan assembly 3 is assembled on an upper end surface of the supporting device 4, and the damping device 5 is assembled on two sides of the fan assembly 3 and connected to an upper end surface of a bottom plate 21.

As shown in fig. 2, which is a schematic structural diagram of the mobile device of the present invention, the mobile device 2 includes a bottom plate 21, a handle 23 is mounted on one side of the bottom plate 21, and a plurality of universal wheels 22 are mounted on the bottom of the bottom plate 21; the bottom plate 21 can move the fan device 1 through the universal wheels 22.

As shown in fig. 3, which is a schematic structural diagram of a fan assembly according to the present invention, the fan assembly 3 includes a fan body 31 and a protection net assembly 32, and the protection net assembly 32 is assembled at two ends of the fan body 31; blowing is performed through the blower body 31.

As shown in fig. 4, which is a schematic diagram of a blower body structure according to the present invention, the blower body 31 includes a first sleeve 311, one end of the first sleeve 311 is equipped with a reducing sleeve 314, one end of the reducing sleeve 314 is equipped with a second sleeve 312, an outer diameter of the second sleeve 312 is larger than that of the first sleeve 311, and a blowing mechanism 313 is equipped inside the first sleeve 311; the wind can be blown by the blowing mechanism 313, and the wind behind the blowing mechanism 313 can be blown forward by the reducing sleeve 314, so that the outer diameter of the wind is increased by the second sleeve 312, and the noise of the wind is reduced.

As shown in fig. 5, which is a schematic view of the structure of the protective net assembly of the present invention, the protective net assembly 32 includes a vertical plate 321 mounted on the upper and lower sides of the outer wall of the vertical plate 325, a horizontal plate 324 mounted on the left and right sides of the outer wall of the vertical plate 325, a plurality of half arc blocks 322 mounted between the horizontal plates 324, a plurality of through holes 323 disposed on the half arc blocks 322, the hole diameter of the back of the through holes 323 is smaller than the hole diameter of the front, and the half arc blocks 322 are cylinders; the vertical plate 321, the half arc block 322 and the transverse plates 324 and 325 can prevent hands from extending into the blowing mechanism 313 to avoid injury.

As shown in fig. 6, which is a schematic structural view of the supporting device of the present invention, the supporting device 4 includes a supporting plate 41, a rotating shaft 42 which is symmetrical left and right and front and back is installed on a lower end surface of the supporting plate 41, and a first elastic rod 43 is installed below the rotating shaft 42; the left-right front-back symmetrical rotating shaft 42 can enable the supporting plate 41 to rotate towards one direction when the fan assembly 3 vibrates, and compresses the first elastic rod 43, so that the vibration noise of the fan assembly 3 in the operation process can be reduced.

As shown in fig. 7, which is a schematic structural diagram of the damping device of the present invention, the damping device 5 includes a first plate 51 and a second plate 53, a plurality of second elastic rods 52 are assembled between the first plate 51 and the second plate 53, and the ground of the second plate 53 is an inclined surface 54; can compress second elastic force pole 52 thereby reach secondary shock attenuation's effect when fan assembly 3 vibrations incline to the side through second elastic force pole 52, further eliminate the sound to vibrations.

The fan assembly 3 is overlapped on the upper end face of the supporting plate 41, and the inclined surface 54 is connected with the upper end face of the bottom plate 21.

The working principle is as follows: can make the wind behind the mechanism 313 of blowing make the external diameter grow through second sleeve 312 when blowing forward through reducing sleeve 314, thereby reduce the noise of wind, through riser 321, half arc piece 322, diaphragm 324 and 325 can prevent that the hand from stretching into the mechanism 313 of blowing and avoid being injured, the aperture through the back of through-hole 323 is less than positive aperture, can make wind reduce the wind sound once more through the reducing when blowing, can make backup pad 41 to one side rotate when fan assembly 3 shakes through left and right sides fore-and-aft symmetry pivot 42, and compress first elastic rod 43, thereby can reduce the sound of fan assembly 3 vibrations in the operation, thereby can follow the emergence of reducing the noise at root.

Example 2

As shown in fig. 1 to 7, which are schematic structural views of a noise-reducing high-efficiency energy-saving fan according to another preferred embodiment of the present invention, in example 1, the second elastic rod 52 can compress the second elastic rod 52 when the fan assembly 3 tilts in one direction of vibration, so as to achieve a secondary damping effect, and further eliminate the noise of vibration.

While the utility model has been described in further detail in connection with specific embodiments thereof, it will be understood that the utility model is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the utility model, which should be considered to be within the scope of the utility model as defined by the appended claims.

Claims (7)

1. A high-efficiency energy-saving fan capable of reducing noise comprises a fan device (1), wherein the fan device (1) comprises a moving device (2), a fan assembly (3), a supporting device (4) and a damping device (5), the supporting device (4) is assembled on the upper end face of the moving device (2), the fan assembly (3) is assembled on the upper end face of the supporting device (4), the damping device (5) is assembled on two sides of the fan assembly (3) and connected with the upper end face of a bottom plate (21),

the method is characterized in that:

the fan assembly (3) comprises a fan body (31) and a protective net assembly (32), wherein the protective net assembly (32) is assembled at two ends of the fan body (31).

2. The high-efficiency energy-saving fan capable of reducing noise according to claim 1, characterized in that: the blower body (31) comprises a first sleeve (311), one end of the first sleeve (311) is provided with a reducing sleeve (314), one end of the reducing sleeve (314) is provided with a second sleeve (312), the outer diameter of the second sleeve (312) is larger than that of the first sleeve (311), and a blowing mechanism (313) is arranged inside the first sleeve (311).

3. The high-efficiency energy-saving fan capable of reducing noise according to claim 1, characterized in that: protection network assembly (32) include (325), the upper and lower both sides of the outer wall of (325) be equipped with riser (321), (325) the outer wall left and right sides be equipped with diaphragm (324), and be equipped with between every diaphragm (324) a plurality of half arc pieces (322), and be provided with a plurality of through-holes (323) on half arc piece (322), the aperture at the back of through-hole (323) is less than the aperture at front, and half arc piece (322) are the cylinder.

4. The high-efficiency energy-saving fan capable of reducing noise according to claim 1, characterized in that: the supporting device (4) comprises a supporting plate (41), a rotating shaft (42) which is symmetrical left and right and front and back is assembled on the lower end face of the supporting plate (41), and a first elastic rod (43) is assembled below the rotating shaft (42).

5. The high-efficiency energy-saving fan capable of reducing noise according to claim 1, characterized in that: the damping device (5) comprises a first plate body (51) and a second plate body (53), a plurality of second elastic rods (52) are assembled between the first plate body (51) and the second plate body (53), and the ground of the second plate body (53) is an inclined plane (54).

6. The high-efficiency energy-saving fan capable of reducing noise according to claim 1, characterized in that: the moving device (2) comprises a bottom plate (21), a handle (23) is arranged on one side of the bottom plate (21), and a plurality of universal wheels (22) are arranged at the bottom of the bottom plate (21).

7. The high-efficiency energy-saving fan capable of reducing noise according to claim 1, characterized in that: the fan assembly (3) is overlapped on the upper end face of the supporting plate (41), and the inclined plane (54) is connected with the upper end face of the bottom plate (21).

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