CN214247811U

CN214247811U - Fan fan structure with good noise reduction effect

Info

Publication number: CN214247811U
Application number: CN202022860241.7U
Authority: CN
Inventors: 梁文美
Original assignee: Shenzhen Zhengzhao Technology Co ltd
Current assignee: Shenzhen Zhengzhao Technology Co ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-09-21
Anticipated expiration: 2030-12-02

Abstract

The utility model discloses a fan structure that noise reduction effect is good, its technical scheme is: the noise reduction device comprises a housing, wherein a noise reduction mechanism is arranged in the housing and extends to the outer side of a box body. Noise reduction mechanism includes soundproof cotton, soundproof cotton fixed connection is inboard at the shell, the inboard fixedly connected with inner shell of soundproof cotton, the shell outside fixedly connected with motor, motor output shaft fixedly connected with pivot, a fan structure beneficial effect that noise reduction effect is good is: use the utility model discloses time thread bush corotation is inhaled stone two to magnetism and is extruded, makes magnetism inhale stone two and connecting plate separation, and when needs fixed bolster, first threaded rod and second threaded rod reversal drive thread bush reversal backward move, and magnetism inhales a pair of magnetism of stone and inhales two stones and adsorb, and magnetism inhales stone two and gets into the spread groove and contact fixedly with the connecting plate to realize that the inside mechanism of making an uproar of falling of fan can dismantle with the fan, make things convenient for the staff to maintain the fan.

Description

Fan fan structure with good noise reduction effect

Technical Field

The utility model relates to a technical field of making an uproar falls, concretely relates to fan structure that noise reduction effect is good.

Background

The blower is a short form of habit of gas compression and gas conveying machinery in China, and generally comprises a ventilator, a blower and a wind driven generator. Gas compression and gas delivery machines are machines that convert rotational mechanical energy into gas pressure energy and kinetic energy and deliver the gas out. The main structural components of the fan are an impeller, a shell, an air inlet, a bracket, a motor, a belt pulley, a coupling, a silencer, a transmission part bearing and the like. The unpowered ventilator utilizes natural wind force and air heat convection caused by indoor and outdoor temperature difference to drive the turbine to rotate, so that the hot air which is not fresh in the room is discharged by utilizing centrifugal force and negative pressure effect.

The prior art has the following defects: when the existing fan is used, because pressure gas flows fast in a fan shell and collides with a fan wall to enable the fan to vibrate to generate a large amount of noise, the noise seriously affects the surrounding environment, the personnel living nearby the fan for a long time easily cause physiological and psychological health damage, and meanwhile, a noise reduction mechanism inside the fan cannot be detached from the fan, so that inconvenient workers maintain the fan.

Therefore, it is necessary to provide a fan structure with good noise reduction effect.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a fan structure that noise reduction effect is good, it drives first threaded rod and rotates to rotate the knob, first threaded rod drives the thread bush and rotates, the thread bush extrudes the connecting plate, make magnetism inhale two stones and connecting plate separation, go out the return bend of connecting about two air-out pipes and disperse two inside gases of air-out pipe, with the solution pressure gas fast flow in fan shell makes the fan vibration produce a large amount of noises with the collision of fan wall, the inside mechanism of making an uproar and the problem that the fan can not dismantle of falling of fan simultaneously.

In order to achieve the above object, the present invention provides the following technical solutions: a fan structure with good noise reduction effect comprises a shell, wherein a noise reduction mechanism is arranged in the shell and extends to the outer side of a box body;

the noise reduction mechanism comprises soundproof cotton, the soundproof cotton is fixedly connected to the inner side of the outer shell, the inner side of the soundproof cotton is fixedly connected with the inner shell, the outer side of the outer shell is fixedly connected with a motor, the output shaft of the motor is fixedly connected with a rotating shaft, one end of the rotating shaft penetrates through the outer shell and the soundproof cotton and extends into the inner shell, the outer side of the rotating shaft is sleeved with a support, a rubber ring is fixedly embedded in the support, the inner side of the rubber ring is in contact with the rotating shaft, the inner wall of the inner shell is fixedly connected with four supporting frames, the four supporting frames are circumferentially and uniformly distributed, the inner sides of the four supporting frames are respectively provided with a connecting groove, the inner walls of the four supporting frames are respectively and fixedly connected with two magnetic suction stones I, the two magnetic suction stones I are symmetrically and uniformly distributed, the two magnetic suction stones I are positioned at two sides of the connecting grooves, and the outer end of the support is fixedly connected with four damping springs, four damping springs are uniformly distributed in a circumferential shape, the outer sides of the four damping springs are fixedly connected with two magnetic absorption stones, the four magnetic absorption stones are embedded in connecting grooves, the inner part of the inner shell is fixedly connected with four springs, the four springs are respectively positioned in four supporting frames, the inner sides of the four springs are respectively fixedly connected with four connecting plates, the four connecting plates are respectively contacted with the four magnetic absorption stones, the outer side of the outer shell is fixedly connected with four protective shells, the four protective shells are uniformly distributed in a circumferential shape, first threaded rods are arranged in the four protective shells, second threaded rods are arranged on one sides of the first threaded rods, the first threaded rods and the second threaded rods penetrate through the outer shell and the soundproof cotton and extend into the inner shell, and the first threaded rods and the second threaded rods are connected with the outer shell, the soundproof cotton and the inner shell through threads, the fixed cover in the first threaded rod outside has connect first sprocket, first sprocket is located inside the protective housing, the fixed second sprocket that has cup jointed in the second threaded rod outside, first sprocket all overlaps with the second sprocket outside and is equipped with the chain, be connected through chain drive between first sprocket and the second sprocket, the screw thread cover is all overlapped in the first threaded rod and the second threaded rod outside, two the screw thread cover is located inside the carriage, two the screw thread cover all contacts with magnetism stone two tops of inhaling, first threaded rod top extends to the protective housing top, first threaded rod top fixedly connected with knob, pivot one end fixedly connected with fan, the fan is located the support front side, motor outside cover is equipped with the protection part.

Preferably, the inboard fixedly connected with of inner shell goes out tuber pipe one, go out tuber pipe one end and run through the soundproof cotton and extend to the shell outside, it has fixed plate one to go out the fixed cup joint in the tuber pipe outside, fixed plate one side is equipped with fixed plate two, fixed plate one and fixed plate two pass through two third threaded rod fixed connection, two the third threaded rod is located the tuber pipe both sides about one, two the equal fixedly connected with handle of third threaded rod one end, the inside fixed of fixed plate two inlays and is equipped with out tuber pipe two, the equal fixedly connected with return bend in both sides about the tuber pipe two.

Preferably, the front side of the inner shell is fixedly connected with a baffle, and the inside of the baffle is fixedly connected with a filter screen.

Preferably, the bottom of the shell is fixedly connected with a supporting seat.

Preferably, the joints of the rotating shaft and the outer shell, the soundproof cotton, the inner shell and the rubber are movably connected through bearings.

Preferably, the protection part comprises a protection cover, the protection cover is sleeved on the outer side of the motor, the protection cover is fixedly connected to the rear side of the shell, and heat dissipation holes are formed in the surfaces of the front side and the rear side of the protection cover.

Preferably, the protection part includes the safety cover, the safety cover is established in the motor outside, safety cover fixed connection is in the shell rear side, both sides surface is all fixed to be inlayed and is equipped with the radiator-grid around the safety cover.

The embodiment of the utility model provides a have following advantage:

1. use the utility model discloses time thread bush corotation is inhaled stone two to magnetism and is extruded, makes magnetism inhale stone two and connecting plate separation, and when needs fixed bolster, first threaded rod and second threaded rod reversal drive thread bush reversal backward move, and magnetism inhales a pair of magnetism of stone and inhales two stones and adsorb, and magnetism inhales stone two and gets into the spread groove and contact fixedly with the connecting plate to realize that the inside mechanism of making an uproar of falling of fan can dismantle with the fan, make things convenient for the staff to maintain the fan.

2. Use the utility model discloses the time rotate the handle and drive the third threaded rod and can dismantle a tuber pipe one and a tuber pipe two, the convenience is to a tuber pipe two replacement, and the return bend of going out both sides can disperse a tuber pipe inside gas about the tuber pipe to the realization weakens gaseous collision to a tuber pipe two, reduces the noise that the fan spreads, reduces physiology and mental health harm to the personnel of living near the fan for a long time.

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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

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

fig. 2 is an overall front view provided by the present invention;

FIG. 3 is an overall side cross-sectional view provided by the present invention;

FIG. 4 is an enlarged view of the part A of FIG. 1 according to the present invention;

fig. 5 is a perspective view of the protective cover provided by the present invention;

fig. 6 is a perspective view of a protective cover according to embodiment 2 of the present invention;

in the figure: the wind-proof heat-insulation and sound-insulation combined type wind-proof heat-insulation wind-proof wind-driven generator comprises the following raw materials of 1 outer shell comprises the following raw materials of 1, 2, 3,

inner shell

2, 3, inner shell 2,

inner shell

3, 4, 5, 6, 3, rubber rings 7, 8.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 the attached drawings 1-5, the fan structure with good noise reduction effect provided by the utility model comprises a shell 1, wherein a noise reduction mechanism is arranged inside the shell 1, and the noise reduction mechanism extends to the outer side of a box body;

the noise reduction mechanism comprises soundproof cotton 2, the soundproof cotton 2 is fixedly connected to the inner side of an outer shell 1, the inner side of the soundproof cotton 2 is fixedly connected with an inner shell 3, the outer side of the outer shell 1 is fixedly connected with a motor 4, an output shaft of the motor 4 is fixedly connected with a rotating shaft 5, one end of the rotating shaft 5 penetrates through the outer shell 1 and the soundproof cotton 2 and extends into the inner shell 3, the outer side of the rotating shaft 5 is sleeved with a support 6, a rubber ring 7 is fixedly embedded in the support 6, the inner side of the rubber is in contact with the rotating shaft 5, the inner wall of the inner shell 3 is fixedly connected with four support frames 8, the four support frames 8 are uniformly distributed in a circumferential shape, the inner sides of the four support frames 8 are respectively provided with a connecting groove, the inner walls of the four support frames 8 are respectively and fixedly connected with two magnetic suction stones 9, the two magnetic suction stones 9 are uniformly distributed in a symmetrical shape, and the two magnetic suction stones 9 are positioned at two sides of the connecting groove, the outer end of the support 6 is fixedly connected with four damping springs 10, the four damping springs 10 are uniformly distributed in a circumferential shape, the outer sides of the four damping springs 10 are fixedly connected with two magnetic stones 11, the four magnetic stones 11 are embedded in the connecting grooves, the inner shell 3 is fixedly connected with four springs 12, the four springs 12 are respectively positioned in the four supporting frames 8, the inner sides of the four springs 12 are fixedly connected with four connecting plates 13, the four connecting plates 13 are respectively contacted with the four magnetic stones 11, the outer side of the outer shell 1 is fixedly connected with four protective shells 14, the four protective shells 14 are uniformly distributed in a circumferential shape, the four protective shells 14 are internally provided with first threaded rods 15, one sides of the first threaded rods 15 are provided with second threaded rods 16, and the first threaded rods 15 and the second threaded rods 16 penetrate through the outer shell 1 and the soundproof cotton 2 and extend into the inner shell 3, the first threaded rod 15 and the second threaded rod 16 are connected with the shell 1, the soundproof cotton 2 and the inner shell 3 through threads, a first chain wheel 17 is fixedly sleeved outside the first threaded rod 15, the first chain wheel 17 is positioned inside the protective shell 14, a second chain wheel 18 is fixedly sleeved outside the second threaded rod 16, a chain 19 is sleeved outside the first chain wheel 17 and the second chain wheel 18, the first chain wheel 17 and the second chain wheel 18 are in driving connection through the chain 19, thread sleeves 20 are sleeved outside the first threaded rod 15 and the second threaded rod 16, the thread sleeves 20 are positioned inside the support frame 8, the two thread sleeves 20 are in contact with the top of the magnetic stone 11, the top end of the first threaded rod 15 extends to the top of the protective shell 14, a knob 21 is fixedly connected to the top of the first threaded rod 15, and a fan 22 is fixedly connected to one end of the rotating shaft 5, the fan 22 is positioned on the front side of the bracket 6, and a protective component is sleeved on the outer side of the motor 4;

further, the inner side of the inner shell 3 is fixedly connected with a first air outlet pipe 23, one end of the first air outlet pipe 23 penetrates through the soundproof cotton 2 and extends to the outer side of the outer shell 1, the outer side of the first air outlet pipe 23 is fixedly sleeved with a first fixing plate 24, one side of the first fixing plate 24 is provided with a second fixing plate 25, the first fixing plate 24 and the second fixing plate 25 are fixedly connected through two third threaded rods 26, the two third threaded rods 26 are located on the upper side and the lower side of the first air outlet pipe 23, one ends of the two third threaded rods 26 are fixedly connected with handles, a second air outlet pipe 27 is fixedly embedded in the second fixing plate 25, and bent pipes 28 are fixedly connected on the upper side and the lower side of the second air outlet pipe 27, so that the air in the first air outlet pipe 24 can be dispersed and flow out, and the impact force can be reduced;

furthermore, a baffle is fixedly connected to the front side of the inner shell 3, and a filter screen is fixedly connected to the inside of the baffle, so that air circulation inside the inner shell 3 is facilitated;

further, a support seat 29 is fixedly connected to the bottom of the housing 1, which is beneficial to supporting the housing 1;

furthermore, the joints of the rotating shaft 5, the outer shell 1, the soundproof cotton 2, the inner shell 3 and the rubber are movably connected through bearings, which is beneficial to the stability of the rotating shaft 5 during rotation;

further, the protection part includes safety cover 30, the safety cover 30 cover is established in the 4 outsides of motor, safety cover 30 fixed connection is in 1 rear side of shell, louvre 31 has all been seted up on both sides surface around safety cover 30, is of value to improving the inside air flow speed of safety cover 30.

The utility model discloses a use as follows: when the utility model is used, the worker rotates the knob 21 in the forward direction, the knob 21 drives the first threaded rod 15 in the forward direction, the first threaded rod 15 drives the first chain wheel 17 to rotate, the first chain wheel 17 drives the second chain wheel 18 to rotate, the second chain wheel 18 drives the second threaded rod 16 in the forward direction, the first threaded rod 15 and the second threaded rod 16 simultaneously drive the threaded sleeve 20 in the forward direction, the threaded sleeve 20 moves forward to extrude the magnetic suction stone II 11, so that the magnetic suction stone II 11 is separated from the connecting plate 13, when the bracket 6 is required to be fixed, the reverse rotation knob 21 drives the first threaded rod 15 and the second threaded rod 16 to rotate in the reverse direction, the first threaded rod 15 and the second threaded rod 16 drive the threaded sleeve 20 to rotate in the reverse direction and then move, the magnetic suction stone I9 adsorbs the magnetic suction stone II, the magnetic suction stone II 11 enters the connecting groove to be fixed with the connecting plate 13 in contact, thereby realizing that the noise reduction mechanism in the fan can be disassembled from the fan, and facilitating the worker to maintain the fan, after the power is switched on, the motor 4 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the fan 22 to rotate, the rubber ring 7 inside the support 6 is used for damping the rotating shaft 5 in the first step, the damping spring 10 is used for damping the rotating shaft 5 in the second step, huge noise is easily generated when pressure gas inside the inner shell 3 rapidly flows and collides with the fan shell 1 when the fan 22 rotates, the soundproof cotton 2 can improve the absorption of sound waves, the penetrating power of the sound waves is weakened, the handle is rotated to drive the third threaded rod 26 to disassemble the air outlet pipe I23 and the air outlet pipe II 27, the air outlet pipe II 27 is conveniently replaced, the bent pipes 28 on the upper side and the lower side of the air outlet pipe can disperse the gas inside the air outlet pipe I23, the collision of the gas on the air outlet pipe II 27 is weakened, the noise transmitted by the fan is reduced, and physiological and psychological health damage to people living nearby the fan for a long time is reduced.

Example 2:

referring to the accompanying drawing 6, the utility model provides a pair of fan structure that noise reduction effect is good, different with embodiment 1 is, the protection part includes safety cover 30, the safety cover 30 cover is established in the 4 outsides of motor, safety cover 30 fixed connection is in the 1 rear side of shell, the equal fixed radiator-grid 32 that is equipped with in both sides surface around the safety cover 30.

The using process is as follows: use the utility model discloses the time, be equipped with safety cover 30 through the outside cover of motor 4 to avoid motor 4 to receive external collision, play fine protection motor 4's effect, both sides are all fixed around safety cover 30 and are equipped with radiator-grid 32, thereby can guarantee that the inside air current of safety cover 30 flows, and then guarantee the inside radiating effect of safety cover 30, reach fine isolated outside dust simultaneously, do not let the dust fall into the inside part of motor 4, make motor 4's life-span obtain the extension.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides a fan structure that noise reduction effect is good, includes shell (1), its characterized in that: a noise reduction mechanism is arranged in the shell (1) and extends to the outer side of the box body;

the noise reduction mechanism comprises soundproof cotton (2), the soundproof cotton (2) is fixedly connected to the inner side of the shell (1), the inner side of the soundproof cotton (2) is fixedly connected with the inner shell (3), the outer side of the shell (1) is fixedly connected with the motor (4), the output shaft of the motor (4) is fixedly connected with the rotating shaft (5), one end of the rotating shaft (5) penetrates through the shell (1) and the soundproof cotton (2) and extends to the inner part of the inner shell (3), the outer side of the rotating shaft (5) is sleeved with the support (6), the inner part of the support (6) is fixedly embedded with the rubber ring (7), the inner side of the rubber is contacted with the rotating shaft (5), the inner wall of the inner shell (3) is fixedly connected with four support frames (8), the four support frames (8) are uniformly distributed in a circumferential shape, the inner sides of the support frames (8) are both provided with a connecting groove, the inner walls of the support frames (8) are both fixedly connected with two magnetic stone magnets (9), the two magnetic suction stones (9) are symmetrically and uniformly distributed, the two magnetic suction stones (9) are positioned on two sides of the connecting groove, the outer end of the support (6) is fixedly connected with four damping springs (10), the four damping springs (10) are circumferentially and uniformly distributed, the outer sides of the four damping springs (10) are fixedly connected with magnetic suction stones (11), the four magnetic suction stones (11) are all embedded inside the connecting groove, the inner shell (3) is internally and fixedly connected with four springs (12), the four springs (12) are respectively positioned inside four supporting frames (8), the inner sides of the four springs (12) are respectively and fixedly connected with four connecting plates (13), the four connecting plates (13) are respectively contacted with the four magnetic suction stones (11), the outer side of the shell (1) is fixedly connected with four protective shells (14), and the four protective shells (14) are circumferentially and uniformly distributed, four inside first threaded rod (15) that all is equipped with of protective housing (14), first threaded rod (15) one side is equipped with second threaded rod (16), first threaded rod (15) and second threaded rod (16) all run through shell (1) and soundproof cotton (2) and extend to inside inner shell (3), first threaded rod (15) and second threaded rod (16) all pass through threaded connection with shell (1), soundproof cotton (2) and inner shell (3), the fixed cover in first threaded rod (15) outside has first sprocket (17), first sprocket (17) are located inside protective housing (14), second threaded rod (16) outside fixed cover has second sprocket (18), first sprocket (17) and second sprocket (18) outside all overlap and are equipped with chain (19), drive connection through chain (19) between first sprocket (17) and second sprocket (18), first threaded rod (15) and second threaded rod (16) outside all are equipped with thread bush (20), two thread bush (20) are located carriage (8) inside, two thread bush (20) all contacts with magnetism stone two (11) tops of inhaling, first threaded rod (15) top extends to protective housing (14) top, first threaded rod (15) top fixedly connected with knob (21), pivot (5) one end fixedly connected with fan (22), fan (22) are located support (6) front side, motor (4) outside cover is equipped with the protection component.

2. A fan structure with good noise reduction effect as claimed in claim 1, wherein: inner shell (3) inboard fixedly connected with goes out tuber pipe (23), it runs through soundproof cotton (2) and extends to shell (1) outside to go out tuber pipe (23) one end, it has cup jointed fixed plate (24) to go out fixed plate (23) outside fixed, fixed plate (24) one side is equipped with fixed plate two (25), fixed plate one (24) and fixed plate two (25) are through two third threaded rod (26) fixed connection, two third threaded rod (26) are located the both sides about tuber pipe (23), two the equal fixedly connected with handle of third threaded rod (26) one end, fixed plate two (25) inside fixed the inlaying is equipped with out tuber pipe two (27), the equal fixedly connected with return bend (28) in both sides about play tuber pipe two (27).

3. A fan structure with good noise reduction effect as claimed in claim 1, wherein: the front side of the inner shell (3) is fixedly connected with a baffle, and a filter screen is fixedly connected inside the baffle.

4. A fan structure with good noise reduction effect as claimed in claim 1, wherein: the bottom of the shell (1) is fixedly connected with a supporting seat (29).

5. A fan structure with good noise reduction effect as claimed in claim 1, wherein: the rotating shaft (5) is movably connected with the joints of the outer shell (1), the soundproof cotton (2), the inner shell (3) and the rubber through bearings.

6. A fan structure with good noise reduction effect as claimed in claim 1, wherein: the protection part includes safety cover (30), safety cover (30) cover is established in the motor (4) outside, safety cover (30) fixed connection is in shell (1) rear side, louvre (31) have all been seted up on both sides surface around safety cover (30).

7. A fan structure with good noise reduction effect as claimed in claim 1, wherein: the protection part includes safety cover (30), safety cover (30) cover is established in the motor (4) outside, safety cover (30) fixed connection is in shell (1) rear side, both sides surface is all fixed around safety cover (30) and is inlayed and be equipped with radiator-grid (32).