CN218293902U

CN218293902U - Axial fan noise reduction device

Info

Publication number: CN218293902U
Application number: CN202221309664.2U
Authority: CN
Inventors: 肖卫兵
Original assignee: Yangzhou Huaqiang Electrical Technology Co ltd
Current assignee: Yangzhou Huaqiang Electrical Technology Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2023-01-13
Anticipated expiration: 2032-05-27

Abstract

The utility model belongs to the technical field of the equipment of making an uproar falls, and an axial fan noise reduction device is disclosed, which comprises a base frame, the top fixed mounting of chassis has the shell, the inner wall fixed mounting of shell has the support frame. The utility model discloses a set up the connecting plate, the baffle, chute and fixture block, when operating personnel rotatory bolt is one hour, will drive the fixture block downstream through the bolt, and then because the inner wall of chute laminates with fixture block left side inclined plane mutually, will pass through fixture block extrusion baffle, and will make the baffle drive the connecting plate and take place to rotate, make and extrude the installation piece through the baffle, it presss from both sides tightly fixedly to make it to press from both sides the installation piece, prevent simultaneously that the rail guard from taking place not hard up and leading to the noise generation after long-term the use, make it fix it through bolt a pair of it, thereby prevent that the rail guard from causing noise pollution when using for a long time, make it avoid influencing operating personnel's operational environment, the use that has for operating personnel has brought the facility.

Description

Axial fan noise reduction device

Technical Field

The utility model belongs to the technical field of the equipment of making an uproar falls, specifically an axial fan falls device of making an uproar.

Background

The axial flow fan has a very wide application, namely, the axial flow fan and the fan of the air conditioner are airflow in the same direction as the shaft of the fan blade, such as an electric fan, and the fan of the air conditioner outer unit is an axial flow type running fan, and the axial flow fan is usually used in occasions with higher flow requirement and lower pressure requirement.

At present, operating personnel is when taking a breath to indoor, often need use axial fan, and the inside device of making an uproar that generally can be equipped with of current axial fan, and the device of making an uproar that falls among the prior art is at the in-process of in-service use, although can carry out noise reduction to axial fan, it generally adopts the sound cotton of inhaling to fall the noise to fall the device of making an uproar, make the noise reduction effect limited, and then the inside of axial fan is ageing easily when using for a long time, make the rail guard take place not hard up, and then produce extra noise, and then unable effectual through inhaling the sound cotton noise reduction treatment of making an uproar, thereby cause noise pollution, make it influence surrounding operational environment, inconvenience has been brought for operating personnel's use, consequently, need improve it.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, the utility model provides an axial fan noise reduction device has the advantage that improves the noise reduction effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a device of making an uproar falls in axial fan, includes the chassis, the top fixed mounting of chassis has the shell, the inner wall fixed mounting of shell has the support frame, the equal fixed mounting in front and back of shell has the mounting panel, the notch has been seted up to the inside of mounting panel, the rail guard has been cup jointed in the inner wall activity of mounting panel, the outer fixed surface of notch installs the installation piece that is located the notch inside, the connecting plate has been cup jointed in the inside activity of notch, the inboard fixed mounting of connecting plate has the baffle, the inner wall of baffle and the surface swing joint of installation piece, the chute has been seted up to the inside on baffle right side, the positive screw thread of mounting panel has been cup jointed and has been located the positive bolt of chute, the other end of bolt runs through the mounting panel and extends to the inside and activity of chute and has cup jointed the fixture block, the surface of fixture block cup joints with the inner wall activity of chute, the inner wall fixed mounting of shell has the sound cotton.

As the utility model discloses it is preferred, the positive fixed mounting of support frame has the fibreboard, the positive fixed mounting of support frame has the driving motor who is located the fibreboard inside, the fixed cup joint of one end of driving motor output shaft has the connecting rod, the other end of connecting rod runs through the fibreboard and extends to the outside and the fixedly connected with flabellum of fibreboard, the draw-in groove has been seted up in the front of support frame.

As the utility model discloses it is preferred, the circular slot has been seted up in the front of support frame, the slotted hole that is located the circular slot both sides is seted up to the inside of support frame, the inside fixed mounting of slotted hole has the gag lever post, the stopper has been cup jointed in the surface activity of gag lever post, the quantity of stopper is two, two the other end of stopper all cup joints, two with the outside activity of flabellum the equal fixed mounting in inboard of stopper has the connecting block, the inboard of connecting block all runs through the support frame and extends to the inside of circular slot.

As the utility model discloses it is preferred, the movable rod has been cup jointed in the inside activity of circular slot, the outside that the support frame and extended to the support frame is run through in the front of movable rod, the surface mounting of movable rod has cup jointed the disc that is located the circular slot inside, the equal fixed mounting in both sides that the disc is positive has the fixed column.

As the utility model discloses preferred, the movable block has been cup jointed in the surface activity of fixed column, the other end of movable block is articulated with the inboard of connecting block.

As the utility model discloses it is preferred, the fixed surface of movable rod installs the outside round piece that is located the support frame, the positive fixed mounting of round piece has the handle.

As the utility model discloses preferred, the positive screw thread of billet has cup jointed bolt two, the other end of bolt two runs through the billet and extends to inside the draw-in groove.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the connecting plate, the baffle, chute and fixture block, when the rotatory bolt of operating personnel is one time, will drive the fixture block through the bolt and move down, and then because the inner wall of chute is laminated with fixture block left side inclined plane mutually, will pass through fixture block extrusion baffle, and will make the baffle drive the connecting plate and take place to rotate, make and extrude the installation piece through the baffle, it is fixed to clamp the installation piece to make it press from both sides, prevent simultaneously that the rail guard from taking place not hard up and leading to the noise generation after long-term the use, make the operating personnel of being convenient for fix it through the bolt, thereby prevent that the rail guard from causing noise pollution when using for a long time, make its operational environment who avoids influencing operating personnel, the use that has for the operating personnel has brought the facility.

2. The utility model discloses a set up the gag lever post, the stopper, movable rod and fixed column, when operating personnel rotates bolt two, will remove the fixed to the disk, and then rotatory handle, make it drive the disk, the movable rod, disc and fixed column take place rotatoryly, simultaneously because articulated between movable block and the connecting block, will drive two stoppers and connecting block through the movable block and remove, make two stoppers remove on the surface of gag lever post, and will carry on spacingly to the flabellum through two stoppers, make it improve the stability of flabellum operation, thereby the effectual holistic noise reduction of axial fan that has improved, brought the facility for operating personnel's use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic cross-sectional view of the mounting plate of the present invention;

FIG. 4 is a schematic cross-sectional view of the supporting frame of the present invention;

FIG. 5 is a schematic cross-sectional view of the round block of the present invention;

fig. 6 is a schematic structural view of the fixture block of the present invention;

FIG. 7 is an enlarged view of a portion of the structure shown at A in FIG. 2;

fig. 8 is a schematic view of a part of the enlarged structure at B in fig. 3.

In the figure: 1. a chassis; 2. a housing; 3. a support frame; 4. mounting a plate; 5. protecting a fence; 6. a notch; 7. a connecting plate; 8. a baffle plate; 9. mounting blocks; 10. sound-absorbing cotton; 11. a chute; 12. a first bolt; 13. a clamping block; 14. a fiberboard; 15. a drive motor; 16. a connecting rod; 17. a fan blade; 18. a circular groove; 19. a slot; 20. a limiting rod; 21. a limiting block; 22. a movable rod; 23. a disc; 24. fixing a column; 25. a movable block; 26. connecting blocks; 27. a round block; 28. a handle; 29. a card slot; 30. and a second bolt.

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 efforts all belong to the protection scope of the present invention.

As shown in fig. 1 to 8, the utility model provides an axial fan noise reduction device, which comprises a chassis 1, a housing 2 is fixedly arranged on the top of the chassis 1, a support frame 3 is fixedly arranged on the inner wall of the housing 2, mounting plates 4 are fixedly arranged on the front and rear sides of the housing 2, notches 6 are arranged inside the mounting plates 4, protective guards 5 are movably sleeved on the inner walls of the mounting plates 4, mounting blocks 9 positioned inside the notches 6 are fixedly arranged on the outer surfaces of the notches 6, connecting plates 7 are movably sleeved on the inner sides of the notches 6, baffle plates 8 are fixedly arranged on the inner sides of the connecting plates 7, the inner walls of the baffle plates 8 are movably connected with the outer surfaces of the mounting blocks 9, chutes 11 are arranged inside the right sides of the baffle plates 8, first bolts 12 positioned on the front sides of the chutes 11 are sleeved on the front threads of the mounting plates 4, the other ends of the first bolts 12 penetrate through the mounting plates 4 and extend into the chutes 11 and are movably sleeved with clamping blocks 13, the outer surface of the clamping block 13 is movably sleeved with the inner wall of the chute 11, sound-absorbing cotton 10 is fixedly installed on the inner wall of the shell 2, when an operator rotates the first bolt 12, the first bolt 12 drives the clamping block 13 to move downwards, further, the inner wall of the chute 11 is matched with the inclined plane on the left side of the clamping block 13, the clamping block 13 extrudes the baffle 8, the baffle 8 drives the connecting plate 7 to rotate, the installation block 9 is extruded due to the design of the baffle 8, the installation block 9 is fixed, further, the phenomenon that the protective guard 5 is loosened after long-term use is prevented, noise is caused by the use of the axial flow fan, the noise can be conveniently fixed by the operator through the first bolt 12, meanwhile, due to the design of the sound-absorbing cotton 10, the noise in the moment inside of the shell 2 can be conveniently absorbed by the operator, and the noise produced inside can be isolated, thereby preventing noise pollution, avoiding influencing the working environment of operators and bringing convenience to the operators.

Referring to fig. 2, a fiber plate 14 is fixedly mounted on the front surface of the support frame 3, a driving motor 15 located inside the fiber plate 14 is fixedly mounted on the front surface of the support frame 3, a connecting rod 16 is fixedly sleeved at one end of an output shaft of the driving motor 15, the other end of the connecting rod 16 penetrates through the fiber plate 14 and extends to the outside of the fiber plate 14 and is fixedly connected with a fan blade 17, and a clamping groove 29 is formed in the front surface of the support frame 3.

As a technical optimization scheme, when starting driving motor 15 through operating personnel, will drive flabellum 17 through connecting rod 16 and take place rotatoryly, make its operating personnel of being convenient for carry out ventilation, because the design of fibreboard 14, will be convenient for operating personnel gives sound insulation to driving motor 15 simultaneously, makes it play good noise reduction effect.

Referring to fig. 4, circular slot 18 has been seted up in the front of support frame 3, slotted hole 19 that is located circular slot 18 both sides is seted up to the inside of support frame 3, the inside fixed mounting of slotted hole 19 has gag lever post 20, stopper 21 has been cup jointed in gag lever post 20's surface activity, stopper 21's quantity is two, two stopper 21's the other end all cup joints with the outside activity of flabellum 17, the equal fixed mounting in inboard of two stopper 21 has connecting block 26, the inside of connecting block 26 all runs through support frame 3 and extends to circular slot 18.

As the utility model discloses a technical optimization scheme, through gag lever post 20's design, will be convenient for operating personnel carry on spacingly to two stoppers 21, make it prevent to take place the skew, simultaneously through two stoppers 21's design, will be convenient for operating personnel carry on spacingly to flabellum 17 for improve stability in the operation of flabellum 17, thereby reduce the vibration range of flabellum 17, make it further improve axial fan's noise reduction effect.

Referring to fig. 4, a movable rod 22 is movably sleeved inside the circular groove 18, the front surface of the movable rod 22 penetrates through the support frame 3 and extends to the outside of the support frame 3, a disc 23 located inside the circular groove 18 is fixedly sleeved on the outer surface of the movable rod 22, and fixing columns 24 are fixedly mounted on two sides of the front surface of the disc 23.

As a technical optimization scheme of the utility model, when through the rotatory movable rod 22 of operating personnel, will drive disc 23 and fixed column 24 through movable rod 22 and take place rotatoryly for the operating personnel of being convenient for removes two stoppers 21, makes it carry on spacingly to flabellum 17.

Referring to fig. 4, the outer surface of the fixed column 24 is movably sleeved with a movable block 25, and the other end of the movable block 25 is hinged with the inner side of the connecting block 26.

As a result of the utility model discloses a technical optimization scheme, when through the rotatory movable rod 22 of operating personnel, will drive disc 23, fixed column 24 and movable block 25 take place rotatoryly, and then because articulated between movable block 25 and the connecting block 26, will drive connecting block 26 and stopper 21 through movable block 25 and remove, make to carry on spacingly to flabellum 17 through two stoppers 21, make its stability that improves flabellum 17, thereby prevent to produce extra noise, make it further improve the noise reduction effect.

Referring to fig. 5, a knob 27 located outside the supporting frame 3 is fixedly installed on the outer surface of the movable rod 22, and a handle 28 is fixedly installed on the front surface of the knob 27.

As a technical optimization scheme of the utility model, through the design of handle 28, will be convenient for operating personnel and rotate movable rod 22 and rounding block 27, make it make things convenient for operating personnel's use.

Referring to fig. 5, a second bolt 30 is sleeved on the front surface of the round block 27 in a threaded manner, and the other end of the second bolt 30 penetrates through the round block 27 and extends into the clamping groove 29.

As a technical optimization scheme of the utility model, when two 30 through the rotatory bolt of operating personnel, thereby will make two 30 inside shifting out of draw-in groove 29 of bolt, make it remove the fixed to the disk 27, and then the rotatory movable rod 22 of operating personnel of being convenient for carry on spacingly through two stoppers 21 to flabellum 17, thereby avoid taking place extra noise.

The utility model discloses a theory of operation and use flow:

firstly, when the operator starts the driving motor 15, the driving motor 15 will rotate the fan blades 17 through the connecting rod 16, and then the noise generated inside will be reduced through the design of the fiber board 14 and the sound-absorbing cotton 10.

Then, when the protective guard 5 loosens after a long time of the axial flow fan, when the first bolt 12 is rotated, the first bolt 12 drives the fixture block 13 to move downwards, and further due to the design between the inner wall of the chute 11 and the left inclined surface of the fixture block 13, the baffle 8 is pressed by the fixture block 13, and the baffle 8 drives the connecting plate 7 to rotate, and the baffle 8 is pressed against the mounting block 9, so that the mounting block 9 is clamped and fixed, and meanwhile, the phenomenon that the protective guard 5 loosens after long-term use and generates noise is prevented, and then, an operator can fix the protective guard 5 through the first bolt 12, so that the protective guard 5 is prevented from loosening and generating noise during long-term use, and the noise pollution is prevented, and convenience is brought to the use of the operator.

Subsequently, when an operator uses the fan for a long time, the first bolt 12 is rotated, the first bolt 12 drives the fixture block 13 to move out of the fixture block 13, so that the fixture block 8 is removed from the fixture block, the baffle 8 is further rotated into the notch 6, so that the baffle 8 is removed from the mounting block 9, the support frame 3 is detached, the second bolt 30 is rotated, the fixture block 27 is removed from the circular block 27, the handle 28 is rotated, the circular block 27, the movable rod 22 and the circular disc 23 are driven to rotate, the fixed column 24 and the movable block 25 are driven to rotate through the circular disc 23, the movable block 25 and the connecting block 26 are hinged to each other, the two limit blocks 21 and the connecting block 26 are driven to move through the movable block 25, so that the two limit blocks 21 move on the outer surface of the limit rod 20, meanwhile, due to the design of the limit rod 20, the two limit blocks 21 have a good limit effect when moving, so that the two limit blocks 21 prevent the fan from position deviation, the fan 17 is limited through the two limit blocks 21, so that the stability of the fan 17 in operation is improved, the vibration amplitude of the fan is reduced, and the effective noise reduction effect of the whole fan is brought to the use convenience of the fan.

It should be noted that, in this document, relational terms such as first and second, and the like are 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 various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a device of making an uproar falls in axial fan, includes chassis (1), its characterized in that: the utility model discloses a building structure, including chassis (1), inner wall fixed mounting have support frame (3), the equal fixed mounting in front and back of shell (2) has mounting panel (4), notch (6) have been seted up to the inside of mounting panel (4), rail guard (5) have been cup jointed in the inner wall activity of mounting panel (4), the outer fixed surface of notch (6) installs installation piece (9) that are located notch (6) inside, connecting plate (7) have been cup jointed in the inside activity of notch (6), the inboard fixed mounting of connecting plate (7) has baffle (8), the inner wall of baffle (8) and the surface swing joint of installation piece (9), chute (11) have been seted up to the inside on baffle (8) right side, the front screw thread of mounting panel (4) has cup jointed and is located chute (11) positive bolt (12), the other end of bolt (12) runs through mounting panel (4) and extends to chute (11) inside and the activity and has cup jointed fixture block (13), the surface of fixture block (13) and the chute (11) cup joint, the inner wall movable mounting of shell (2) has sound absorption cotton 10).

2. The axial fan noise reduction device of claim 1, wherein: the utility model discloses a fiber board, including support frame (3), the front fixed mounting of support frame (3) has fibreboard (14), the front fixed mounting of support frame (3) has driving motor (15) that are located fibreboard (14) inside, the fixed cover in one end of driving motor (15) output shaft has been cup jointed connecting rod (16), the other end of connecting rod (16) runs through fibreboard (14) and extends to the outside and the fixedly connected with flabellum (17) of fibreboard (14), draw-in groove (29) have been seted up in the front of support frame (3).

3. The axial fan noise reduction device of claim 1, wherein: circular slot (18) have been seted up in the front of support frame (3), slotted hole (19) that are located circular slot (18) both sides are seted up to the inside of support frame (3), the inside fixed mounting of slotted hole (19) has gag lever post (20), stopper (21) have been cup jointed in the surface activity of gag lever post (20), the quantity of stopper (21) is two, two the other end of stopper (21) all cup joints with the outside activity of flabellum (17), two the equal fixed mounting in inboard of stopper (21) has connecting block (26), the inboard of connecting block (26) all runs through support frame (3) and extends to the inside of circular slot (18).

4. The axial fan noise reduction device of claim 3, wherein: the inside activity of circular slot (18) has cup jointed movable rod (22), the outside that support frame (3) and extend to support frame (3) is run through in the front of movable rod (22), the external fixed surface of movable rod (22) has cup jointed disc (23) that are located circular slot (18) inside, the equal fixed mounting in both sides that disc (23) are positive has fixed column (24).

5. The axial flow fan noise reduction device of claim 4, wherein: the outer surface of the fixed column (24) is movably sleeved with a movable block (25), and the other end of the movable block (25) is hinged with the inner side of the connecting block (26).

6. The axial flow fan noise reduction device of claim 4, wherein: the surface fixed mounting of movable rod (22) has and is located outside round piece (27) of support frame (3), the positive fixed mounting of round piece (27) has handle (28).

7. The axial flow fan noise reduction device of claim 6, wherein: the front face of the round block (27) is in threaded sleeve connection with a second bolt (30), and the other end of the second bolt (30) penetrates through the round block (27) and extends into the clamping groove (29).