CN218093524U

CN218093524U - Fan structure with noise suppression function

Info

Publication number: CN218093524U
Application number: CN202222389355.7U
Authority: CN
Inventors: 陈伟豪; 李彬; 何锐辉
Original assignee: Guangzhou Tianyihang Electrical Appliance Manufacturing Co ltd
Current assignee: Guangzhou Tianyihang Electrical Appliance Manufacturing Co ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2022-12-20
Anticipated expiration: 2032-09-08

Abstract

The utility model discloses a fan structure with noise suppression function, including removing the base, remove the top fixedly connected with support frame of base, the inside of support frame is provided with the alignment jig, the top fixedly connected with fixed block of alignment jig, the top fixedly connected with buffering housing of fixed block, the fan housing has been placed to the inside of buffering housing, the inside fixedly connected with dead lever of fan housing, the one end fixed mounting of dead lever has driving motor, driving motor's output fixedly connected with connecting axle. This fan structure with noise suppression function can be with the noise dispersion through the first bloop of evenly distributed on the sound absorbing layer, the decibel of noise suppression, thereby the second bloop can reduce the amplitude and the frequency noise abatement of flabellum vibration, and the buffer beam can reduce the vibration frequency of fan and casing, the production of prevention noise, and this fan has realized the function of making an uproar of falling, has solved the great problem of noise.

Description

Fan structure with noise suppression function

Technical Field

The utility model relates to a fan technical field specifically is a fan structure with noise suppression function.

Background

The fan is a tool for taking cool by using fresh wind, the electric fan is a device for generating air flow by electric drive, and the fan arranged in the electric fan rotates after being electrified to generate natural wind so as to achieve the cool effect.

Through the retrieval, chinese patent grant publication No. CN210565375U discloses a damping structure of making an uproar falls of industrial fan, mention "the utility model discloses a rubber pad a can play better shock attenuation buffering effect, thereby realize the work of making an uproar falls, and can make the rubber block carry out the effect of shock attenuation buffering when laminating rather than this surface of fan through the spring, thereby avoid the vibrations conduction of fan body during operation to put the frame and produce the noise, and can ensure the heat dissipation when vibration/noise reduction, realize the function of vibration/noise reduction through using rubber block and fan surface laminating among the above-mentioned technical scheme, but the effect of making an uproar falls is not good, to above problem, the overall structure has been optimized in-depth study, through flabellum and the sound attenuation hole of evenly distributed on the sound absorbing layer with the noise dispersion, the decibel of noise suppression, the outside buffer beam of fan casing can reduce the vibration frequency of fan and casing, the production of prevention noise.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan structure with noise suppression function to provide the great problem of noise in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fan structure with noise suppression function, includes and removes the base, the top fixedly connected with support frame of removing the base, the inside of support frame is provided with the alignment jig, the top fixedly connected with fixed block of alignment jig, the top fixedly connected with buffering housing of fixed block, the fan housing has been placed to the inside of buffering housing, the inside fixedly connected with dead lever of fan housing, the one end fixed mounting of dead lever has driving motor, driving motor's output fixedly connected with connecting axle, the outside of connecting axle is provided with six groups of flabellums, the protection network is installed at the both ends of fan housing, fixedly connected with buffer beam between fan housing and the buffering housing, the layer of making an uproar falls in the inside fixedly connected with of fan housing, the inboard fixedly connected with on the layer of making an uproar that falls inhales the sound layer, first bloop has been seted up to the inside on sound layer, the second bloop has been seted up to the inside of flabellum.

Preferably, the fan blade is provided with six groups, the second silencing holes are distributed on the fan blade at equal intervals, and the first silencing holes are distributed in the sound absorption layer at equal intervals.

Preferably, the outside fixedly connected with of connecting axle six group connect the buckle, the inside swing joint of connecting the buckle has connecting bolt, the bottom of flabellum inlays in the inside of connecting the buckle, connecting bolt's one end runs through the flabellum and the inside of connecting the buckle.

Preferably, the outside fixedly connected with four groups of installation fixture blocks of protection network, the both ends of fan housing are provided with the installation draw-in groove, the installation fixture block inlays the inside at the installation draw-in groove.

Preferably, the front end of the adjusting frame is provided with an adjusting hole, and the front end of the supporting frame is movably connected with an adjusting bolt.

Preferably, four corners of the bottom end of the movable base are provided with trundles, and the fixing block and the buffer housing are fixedly connected with two sets of support rods.

Compared with the prior art, the beneficial effects of the utility model are that: the fan structure with the noise suppression function not only realizes the function of suppressing noise, realizes the function of convenient disassembly and washing, but also realizes the function of convenient movement and adjustment;

(1) By arranging the buffering housing, the sound absorption layer, the first sound deadening hole, the noise reduction layer buffering rod and the second sound deadening hole, when the fan is started, the vibration of a motor and fan blades in the fan can generate larger noise, the noise can be restrained and reduced through the noise reduction layer and the sound absorption layer on the inner side of the fan housing, the first sound deadening holes uniformly distributed on the sound absorption layer can disperse the noise and restrain decibels of the noise, the second sound deadening holes uniformly distributed on the fan blades can reduce the vibration amplitude and frequency of the fan blades so as to reduce the noise, the buffering rod on the inner side of the buffering housing can reduce the vibration frequency of the fan and the shell so as to prevent the noise, and the fan realizes the noise reduction function;

(2) The fan blade protective device is provided with the protective net, the mounting clamping blocks, the mounting clamping grooves, the connecting buckles and the connecting bolts, the protective net can prevent foreign objects from contacting the fan blade, the fan blade can be taken out of the fan housing for cleaning, the situation that surface dust is accumulated on the fan blade after long-term use can be reduced, the protective net is taken down firstly, then the connecting bolts for fixing the fan blade are screwed down, and the fan blade can be taken out of the connecting clamping buckles, and the fan is convenient to disassemble and wash;

(3) Through being provided with removal base, support frame, alignment jig, regulation hole and adjusting bolt, the truckle of removing the base can drive the fan walking, and the fan passes through the convenient easy removal of truckle and all appoints the region, and the height of fan can be adjusted according to the demand, need unscrew adjusting bolt earlier during the regulation, the alignment jig drive the fan afterwards shift up or move down can, this structure has realized conveniently removing and the function of adjusting the fan height.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic side sectional structure view of the fan housing of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is a schematic view of the fan blade of the present invention.

In the figure: 1. moving the base; 2. a support frame; 3. an adjusting bracket; 4. a support bar; 5. a fixing rod; 6. a fan housing; 7. a buffer housing; 8. a protective net; 9. a fan blade; 10. a fixed block; 11. an adjustment hole; 12. adjusting the bolt; 13. a drive motor; 14. a sound absorbing layer; 15. a first muffling hole; 16. a connecting shaft; 17. a noise reduction layer; 18. installing a clamping block; 19. installing a clamping groove; 20. a buffer rod; 21. a second muffling hole; 22. connecting a buckle; 23. and connecting the bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, a fan structure with noise suppression function includes a movable base 1, a support frame 2 is fixedly connected to the top end of the movable base 1, an adjusting frame 3 is arranged inside the support frame 2, a fixing block 10 is fixedly connected to the top end of the adjusting frame 3, a buffering housing 7 is fixedly connected to the top end of the fixing block 10, a fan housing 6 is placed inside the buffering housing 7, a fixing rod 5 is fixedly connected to the inside of the fan housing 6, a driving motor 13 is fixedly mounted at one end of the fixing rod 5, an output end of the driving motor 13 is fixedly connected with a connecting shaft 16, six sets of fan blades 9 are arranged outside the connecting shaft 16, protective nets 8 are mounted at two ends of the fan housing 6, a buffering rod 20 is fixedly connected between the fan housing 6 and the buffering housing 7, a noise reduction layer 17 is fixedly connected to the inside of the fan housing 6, a sound absorption layer 14 is fixedly connected to the inner side of the noise reduction layer 17, a first sound attenuation hole 15 is formed inside the sound absorption layer 14, and a second sound attenuation hole 21 is formed inside the fan blade 9;

the fan blades 9 are provided with six groups, the second silencing holes 21 are distributed on the fan blades 9 at equal intervals, and the first silencing holes 15 are distributed in the sound absorption layer 14 at equal intervals;

specifically, as shown in fig. 1, 2 and 3, the noise reduction layer 17 and the sound absorption layer 14 inside the fan housing 6 can suppress and reduce noise, the first sound attenuation holes 15 uniformly distributed on the sound absorption layer 14 can disperse and suppress noise decibels, and the buffer rods 20 inside the buffer housing 7 can reduce the vibration frequency of the fan and the housing and prevent noise generation.

Example 2: six groups of connecting buckles 22 are fixedly connected to the outer portion of the connecting shaft 16, connecting bolts 23 are movably connected to the inner portions of the connecting buckles 22, the bottom ends of the fan blades 9 are embedded in the connecting buckles 22, one ends of the connecting bolts 23 penetrate through the fan blades 9 and the inner portions of the connecting buckles 22, four groups of mounting fixture blocks 18 are fixedly connected to the outer portion of the protective net 8, mounting clamp grooves 19 are formed in two ends of the fan housing 6, and the mounting fixture blocks 18 are embedded in the mounting clamp grooves 19;

specifically, as shown in fig. 1, fig. 2, and fig. 4, when dust is deposited on the surface of the fan blade 9 and the surface of the protection net 8, the fan blade 9 and the protection net 8 can be taken down from the fan housing 6 for cleaning, and when the fan blade 9 and the protection net 8 are detached, the mounting fixture block 18 outside the protection net 8 needs to be taken out from the mounting fixture slot 19, and then the connecting bolt 23 for fixing the fan blade 9 needs to be unscrewed, so that the fan blade 9 can be taken down from the connecting fastener 22, and after the fan blade 9 and the protection net 8 are detached, the fan blade 9 and the protection net 8 are cleaned and dried, and then are mounted for use.

Example 3: the front end of the adjusting frame 3 is provided with an adjusting hole 11, the front end of the supporting frame 2 is movably connected with an adjusting bolt 12, four corners of the bottom end of the movable base 1 are provided with trundles, and two groups of supporting rods 4 are fixedly connected in front of the fixed block 10 and the buffering housing 7;

specifically, as shown in fig. 1, the supporting rod 4 and the fixing block 10 below the buffering housing 7 improve the supporting stability, and when the fan needs to be moved, the fan can be directly pushed, the casters at the bottom of the movable base 1 drive the fan to move, and the adjusting frame 3 can move up and down in the supporting frame 2, so that the height of the fan can be adjusted.

The working principle is as follows: the utility model discloses when using, remove the fan to the region that needs were placed earlier, the removal base 1 of fan bottom can drive the fan walking, again adjust the height of fan according to the high demand of blowing afterwards, only need take off adjusting bolt 12 during the regulation, then remove alignment jig 3 can, fan housing 6 inside driving motor 13 drives flabellum 9 fast rotation air-out, inside can produce great noise in the time of fan work, layer 17 and the sound absorbing layer 14 of making an uproar fall through making an uproar of 6 inboards of fan housing can restrain the noise, sound absorbing layer 14 goes up evenly distributed's first bloop 15 can disperse the noise, the decibel of noise suppression, evenly distributed's second bloop 21 can reduce the range and the frequency noise reduction of flabellum 9 vibration on flabellum 9, use easy deposition on the outside protection network 8 of back fan and the flabellum 9 of back for a long time, need take off both when the deposition and wash the washing, take off the connecting bolt 23 of protection network 8 with fixed flabellum 9 again during the dismantlement earlier, can take out flabellum 9 from connecting buckle 22, the function of fan of being convenient for taking off.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fan structure with noise suppression function, includes removal base (1), its characterized in that: the utility model discloses a fan, including removal base (1), top fixedly connected with support frame (2), the inside of support frame (2) is provided with alignment jig (3), top fixedly connected with fixed block (10) of alignment jig (3), top fixedly connected with buffering housing (7) of fixed block (10), fan housing (6) have been placed to the inside of buffering housing (7), the inside fixedly connected with dead lever (5) of fan housing (6), the one end fixed mounting of dead lever (5) has driving motor (13), the output fixedly connected with connecting axle (16) of driving motor (13), the outside of connecting axle (16) is provided with six sets of flabellums (9), protection network (8) are installed at the both ends of fan housing (6), fixedly connected with buffer beam (20) between fan housing (6) and buffering housing (7), the inside fixedly connected with of fan housing (6) falls layer (17) of making an uproar, the inboard fixedly connected with of layer (17) of making an uproar inhales sound layer (14), first bloop (15) has been seted up to the inside of inhaling sound hole (14), the second bloop (21) has been seted up to the inside of flabellum (9).

2. A fan structure with a noise suppressing function as set forth in claim 1, wherein: the fan blade (9) is provided with six groups, the second silencing holes (21) are distributed on the fan blade (9) at equal intervals, and the first silencing holes (15) are distributed inside the sound absorption layer (14) at equal intervals.

3. A fan structure with a noise suppressing function as set forth in claim 1, wherein: the fan blade connecting structure is characterized in that six groups of connecting buckles (22) are fixedly connected to the outer portion of the connecting shaft (16), connecting bolts (23) are movably connected to the inner portions of the connecting buckles (22), the bottom ends of the fan blades (9) are embedded in the connecting buckles (22), and one ends of the connecting bolts (23) penetrate through the inner portions of the fan blades (9) and the connecting buckles (22).

4. A fan structure with a noise suppressing function as set forth in claim 1, wherein: the fan protective net is characterized in that four groups of mounting clamping blocks (18) are fixedly connected to the outer portion of the protective net (8), mounting clamping grooves (19) are formed in two ends of the fan housing (6), and the mounting clamping blocks (18) are embedded in the mounting clamping grooves (19).

5. A fan structure with a noise suppressing function as set forth in claim 1, wherein: the front end of the adjusting frame (3) is provided with an adjusting hole (11), and the front end of the supporting frame (2) is movably connected with an adjusting bolt (12).

6. A fan structure with a noise suppressing function as set forth in claim 1, wherein: the four corners of removal base (1) bottom install the truckle, fixed block (10) and two sets of bracing pieces of fixedly connected with (4) before buffering housing (7).