CN216478061U - Fan with noise reduction structure - Google Patents

Abstract

The utility model discloses a fan with a noise reduction structure, and particularly relates to the field of fans, wherein the fan comprises a fan shell, a driving assembly and a base positioned on the bottom surface of the fan shell, a second rotating shaft in transmission connection with the driving assembly is inserted in the rear surface of the fan shell, four connecting rods extending into an installation groove are fixedly installed on the outer surface of a fixed sleeve, a spring is sleeved at one end, close to the installation groove, of each connecting rod, and a plurality of sound absorption holes are uniformly formed in the outer surface of a noise reduction plate. According to the utility model, the damping component sleeved on the outer surface of the second rotating shaft is arranged, and the outer surface of the fixing sleeve is fixedly provided with four connecting rods extending to the inside of the mounting groove, so that the elastic support can be used for fixing and avoiding the vibration and sound production of the pipeline, and the noise reduction effect is achieved.

Description

Fan with noise reduction structure

Technical Field

The utility model relates to the technical field of fans, in particular to a fan with a noise reduction structure.

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 Chinese habit for gas compression and gas delivery machines, and generally comprises a ventilator, a blower and a wind driven generator.

At present, fans are used for ventilation, dust exhaust and cooling, ventilation and air induction of boilers and industrial furnaces and kilns, and the like, and due to high power, noise can be generated, so that personnel working beside the fans can be affected.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, embodiments of the present invention provide a fan with a noise reduction structure, so as to solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fan with structure of making an uproar falls, includes fan casing, drive assembly and is located the base of fan casing bottom surface, the rear surface of fan casing is inserted and is equipped with the second pivot of being connected with the drive assembly transmission, the surface cover of second pivot is equipped with damper assembly, the board of making an uproar falls has been laid to the inner wall of fan casing, four mounting grooves that run through to the fan casing inside are seted up to the surface of the board of making an uproar fall, damper assembly establishes the fixed cover at second pivot surface including the cover, the fixed surface mounting of fixed cover has four connecting rods that extend to the mounting groove inside, the pot head that the connecting rod is close to the mounting groove is equipped with the spring, the surface of the board of making an uproar evenly has seted up a plurality of sound holes of inhaling.

Preferably, the heat dissipation chamber has been seted up to fan housing's bottom surface, the heat-conducting strip that is linked together with the heat dissipation chamber has been seted up to the upper surface of base, the inner wall bottom surface fixed mounting in heat dissipation chamber has the refrigeration piece, the last fixed surface of refrigeration piece installs the heat dissipation fan, the lower fixed surface of refrigeration piece is connected with the radiator, a plurality of louvres that run through to the heat dissipation intracavity portion are seted up to fan housing inner wall's bottom surface.

Preferably, the rear surface of the fan shell is fixedly provided with a mounting plate, the center of the mounting plate is fixedly provided with a bearing, the second rotating shaft penetrates through one side surface of the bearing and extends to the inside of the fan shell, and the inside of the fan shell is rotatably connected with a rotating fan blade which is sleeved at one end of the second rotating shaft.

Preferably, the driving assembly comprises a driving motor located on one side of the fan shell, a first rotating shaft is inserted into the output end of the driving motor, a first rotating wheel is sleeved on the outer surface of the first rotating shaft, a second rotating wheel is sleeved on one end of the second rotating shaft, and a belt ring is connected to the outer surfaces of the first rotating wheel and the second rotating wheel in a transmission mode.

Preferably, a heat dissipation window is fixedly installed on the bottom surface of the base.

Preferably, the sound absorption cotton is fixedly installed on one side of the inner wall of the sound absorption hole.

The utility model has the technical effects and advantages that:

1. establish the damper that establishes at second pivot surface through setting up the cover to and the fixed surface mounting of fixed cover has four connecting rods that extend to the mounting groove inside, can utilize the fixed pipeline vibration sound production of avoiding of elastic support, makes the noise reduction effect, sets up the board of making an uproar and sets up the sound hole of inhaling on the surface of making an uproar simultaneously, can utilize the attraction effect to fall and make an uproar, wraps up the original state that easily produces the noise of fan casing inner wall.

2. Through setting up the inside heat conduction groove of base and the heat dissipation chamber that is linked together with the heat conduction groove, can form the ventilation state, then installation refrigeration piece and heat dissipation fan dispel the heat of the inside production of fan casing to guarantee fan casing life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

FIG. 2 is a schematic view of the shock absorbing assembly of the present invention.

Fig. 3 is a side sectional view of the housing according to the present invention.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 3 according to the present invention.

The reference signs are: 1. a fan housing; 101. mounting a plate; 102. a bearing; 103. rotating the fan blades; 2. a drive assembly; 201. a drive motor; 202. a first rotating shaft; 203. a first runner; 204. a belt loop; 205. a second runner; 3. a base; 4. a second rotating shaft; 5. a shock absorbing assembly; 501. fixing a sleeve; 502. a connecting rod; 503. a spring; 6. mounting grooves; 7. a noise reduction plate; 8. a sound absorption hole; 9. sound-absorbing cotton; 10. a heat dissipation cavity; 11. a heat conducting groove; 12. a refrigeration plate; 13. a heat dissipation fan; 14. a heat sink; 15. a heat dissipation window; 16. and (4) heat dissipation holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The fan with the noise reduction structure shown in the attached figures 1-4 comprises a fan shell 1, a driving component 2 and a base 3 positioned on the bottom surface of the fan shell 1, wherein a second rotating shaft 4 in transmission connection with the driving component 2 is inserted in the rear surface of the fan shell 1, a damping component 5 is sleeved on the outer surface of the second rotating shaft 4, a noise reduction plate 7 is laid on the inner wall of the fan shell 1, four mounting grooves 6 penetrating into the fan shell 1 are formed in the outer surface of the noise reduction plate 7, the damping component 5 comprises a fixing sleeve 501 sleeved on the outer surface of the second rotating shaft 4, four connecting rods 502 extending into the mounting grooves 6 are fixedly mounted on the outer surface of the fixing sleeve 501, a spring 503 is sleeved on one end, close to the mounting grooves 6, of the connecting rods 502, a plurality of sound absorption holes 8 are uniformly formed in the outer surface of the noise reduction plate 7, and the damping component 5 sleeved on the outer surface of the second rotating shaft 4 is arranged, and the fixed surface mounting of fixed cover 501 has four connecting rods 502 that extend to the inside of mounting groove 6, can utilize the fixed pipeline vibration sound production of avoiding of elastic support, makes the noise reduction effect, sets up simultaneously and falls the board 7 of making an uproar and set up at the sound hole 8 that inhales on the board 7 surface of making an uproar that falls, can utilize the attraction effect to fall and make an uproar, wraps up the original state that easily produces the noise of fan casing 1 inner wall.

The heat dissipation chamber 10 has been seted up through the bottom surface that sets up fan housing 1, the heat conduction groove 11 that is linked together with heat dissipation chamber 10 is seted up to the upper surface of base 3, the inner wall bottom surface fixed mounting in heat dissipation chamber 10 has refrigeration piece 12, the last fixed surface of refrigeration piece 12 installs heat dissipation fan 13, the lower fixed surface of refrigeration piece 12 is connected with radiator 14, a plurality of louvres 16 that run through to heat dissipation chamber 10 inside are seted up to the bottom surface of fan housing 1 inner wall, at first the heat conduction groove 11 of base 3 inside and the heat dissipation chamber 10 that is linked together with heat conduction groove 11, can form the ventilation state, then install refrigeration piece 12 and heat dissipation fan 13 and spill the heat of fan housing 1 inside production, make fan housing 1 have the radiating effect.

There is mounting panel 101 through the rear surface fixed mounting who sets up fan casing 1, the center department fixed mounting of mounting panel 101 has bearing 102, second pivot 4 runs through a side that bearing 102 extends to fan casing 1's inside, fan casing 1's inside is rotated and is connected with the rotatory flabellum 103 that the cover was established in 4 one ends of second pivot, when the installation, inject second pivot 4 into bearing 102 and then be connected with drive assembly 2 transmission again, guarantee rotatory stability, let rotatory flabellum 103 normally drive simultaneously.

Through setting up drive assembly 2 including being located the driving motor 201 of fan casing 1 one side, driving motor 201's output is inserted and is equipped with first pivot 202, and the surface cover of first pivot 202 is equipped with first runner 203, and the pot head of second pivot 4 is equipped with second runner 205, and the surface transmission of first runner 203 and second runner 205 is connected with belt circle 204, can drive first runner 203 and second runner 205 and rotate simultaneously through the drive of driving motor 201.

The heat dissipation window 15 is fixedly arranged on the bottom face of the base 3, heat dissipation is facilitated, and the base 3 has the effect of facilitating installation of the fan shell 1.

The sound absorption cotton 9 is fixedly arranged on one side of the inner wall of the sound absorption hole 8, so that the auxiliary sound reception can be realized.

The working principle of the utility model is as follows: when the device is normally used, the driving motor 201 is firstly driven, the first rotating wheel 203 and the second rotating wheel 205 are driven by the belt loop 204, then the rotating fan blade 103 fixedly connected with the surface of the second rotating shaft 4 is driven to rotate, so that the device is normally used, when the rotating fan blade 103 rotates, the damping component 5 is influenced by the rotation, thereby generating a certain vibration sense, the spring 503 can elastically contract in the mounting groove 6 to achieve the effects of shock absorption and noise reduction, in addition, the generated noise can be transmitted into the sound absorption cotton 9 through the sound reception of the sound absorption hole 8, then the noise is reduced, and when fan casing 1 live time can produce the heat for a long time, the effect of base 3 can carry out the heat dissipation processing this moment, drives heat dissipation fan 13, lets heat dissipation fan 13 assist refrigeration piece 12 through louvre 16 to the inside replacement heat of fan casing 1, then discharges from heat dissipation window 15.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a fan with structure of making an uproar falls, includes fan casing (1), drive assembly (2) and base (3) that are located fan casing (1) bottom surface, its characterized in that: the rear surface of fan casing (1) is inserted and is equipped with second pivot (4) of being connected with drive assembly (2) transmission, the surface cover of second pivot (4) is equipped with damper (5), fan casing (1) the inner wall has been laid and has been fallen board (7) of making an uproar, fall the surface of board (7) of making an uproar and offer four mounting grooves (6) that run through to fan casing (1) inside, damper (5) establish fixed cover (501) at second pivot (4) surface including the cover, the outer fixed surface of fixed cover (501) installs four connecting rods (502) that extend to mounting groove (6) inside, a pot head that connecting rod (502) is close to mounting groove (6) is equipped with spring (503), the surface of board (7) of making an uproar evenly has seted up a plurality of sound holes (8) of inhaling.

2. The fan with the noise reduction structure as claimed in claim 1, wherein: heat dissipation chamber (10) have been seted up to the bottom surface of fan casing (1), heat-conducting slot (11) that are linked together with heat dissipation chamber (10) are seted up to the upper surface of base (3), the inner wall bottom surface fixed mounting in heat dissipation chamber (10) has refrigeration piece (12), the last fixed surface of refrigeration piece (12) installs heat dissipation fan (13), the lower fixed surface of refrigeration piece (12) is connected with radiator (14), a plurality of louvres (16) that run through to heat dissipation chamber (10) inside are seted up to the bottom surface of fan casing (1) inner wall.

3. The fan with the noise reduction structure as claimed in claim 1, wherein: the fan casing is characterized in that a mounting plate (101) is fixedly mounted on the rear surface of the fan casing (1), a bearing (102) is fixedly mounted at the center of the mounting plate (101), a side face, penetrating through the bearing (102), of the second rotating shaft (4) extends to the inside of the fan casing (1), and a rotating fan blade (103) is rotatably connected to the inside of the fan casing (1) and sleeved at one end of the second rotating shaft (4).

4. The fan with the noise reduction structure as claimed in claim 1, wherein: drive assembly (2) are including being located driving motor (201) of fan casing (1) one side, the output of driving motor (201) is inserted and is equipped with first pivot (202), the surface cover of first pivot (202) is equipped with first runner (203), the pot head of second pivot (4) is equipped with second runner (205), the surface transmission of first runner (203) and second runner (205) is connected with belt circle (204).

5. The fan with the noise reduction structure as claimed in claim 2, wherein: and a heat dissipation window (15) is fixedly arranged on the bottom surface of the base (3).

6. The fan with the noise reduction structure as claimed in claim 1, wherein: and sound-absorbing cotton (9) is fixedly arranged on one side of the inner wall of the sound-absorbing hole (8).

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