CN217976645U

CN217976645U - Centrifugal fan with noise reduction structure

Info

Publication number: CN217976645U
Application number: CN202221030119.XU
Authority: CN
Inventors: 马秀明
Original assignee: Fuzhou Xinyue Ventilation Equipment Co ltd
Current assignee: Fuzhou Xinyue Ventilation Equipment Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-12-06
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a centrifugal fan with structure of making an uproar is fallen, include: centrifugal fan, motor and mount pad, the motor is installed to one side of centrifugal fan, the motor is installed on the mount pad, the cover is placed on the outside shell of motor on the surface of mount pad, the amortization is cotton installed to the inner wall of shell, the surface block of shell has the buckle, the bottom swing joint of buckle has the pivot, the both ends swing joint of pivot is on the mount pad, the surface connection of buckle has the cardboard, the surface cover of cardboard has the connection rope, the one end of connecting the rope is connected with coupling spring. This centrifugal fan with structure of making an uproar falls through mutually supporting between centrifugal fan, motor, mount pad, shell, amortization cotton, buckle, pivot, cardboard, connection rope and the connecting spring, realizes making an uproar falls in the amortization of motor.

Description

Centrifugal fan with noise reduction structure

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a centrifugal fan with structure of making an uproar falls.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust extraction and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings.

This breed glass steel centrifugal fan for colony house, including glass steel centrifugal fan main part, the front end surface of glass steel centrifugal fan main part is provided with glass steel centrifugal fan and goes into the wind gap, the upper end surface of glass steel centrifugal fan main part is provided with glass steel centrifugal fan air outlet, the inside of glass steel centrifugal fan main part is provided with glass steel centrifugal fan flabellum, the lower extreme surface of glass steel centrifugal fan main part is provided with moving mechanism, the front end surface that glass steel centrifugal fan goes into the wind gap is provided with glass steel centrifugal fan safety cover.

This prior art solution also presents the following problems when in use:

1. when the equipment is used, a structure for damping and reducing noise of the equipment is not arranged, so that the equipment has high sound and is easy to generate noise when being started;

2. when the device is used, a structure for damping the device is not arranged, so that the struggling range of the device is large when the device is started;

improvements are needed to address the above issues to meet market demands.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal fan with structure of making an uproar is fallen to propose equipment in solving above-mentioned background art and do not have the structure of making an uproar is fallen to shock attenuation when using to equipment, make the great problem that produces the noise easily of sound when equipment starts.

In order to achieve the above object, the utility model provides a following technical scheme: a centrifugal fan with a noise reducing structure comprising: the noise reduction device comprises a centrifugal fan, a motor and a mounting seat, wherein the motor is mounted on one side of the centrifugal fan, the motor is mounted on the mounting seat, a shell sleeved outside the motor is placed on the surface of the mounting seat, and noise reduction cotton is mounted on the inner wall of the shell;

the surface of the shell is clamped with a buckle, the bottom of the buckle is movably connected with a rotating shaft, two ends of the rotating shaft are movably connected to the mounting seat, the surface of the buckle is connected with a clamping plate, the surface of the clamping plate is sleeved with a connecting rope, and one end of the connecting rope is connected with a connecting spring.

Preferably, the one end of connecting the rope is connected with the disc piece, disc piece and the inner wall sliding connection of mount pad, slide in the inside of mount pad through the disc piece, carry on spacingly to connecting the rope.

Preferably, the connecting rope is elastically stretched and retracted under the elastic action of the connecting spring, and is driven to stretch and retract under the elastic action of the connecting spring.

Preferably, the curb plate is installed to the both sides of mount pad, the top of curb plate is connected with the nut, the inside through connection of nut and curb plate has the screw thread post simultaneously, through the threaded connection between nut and the screw thread post with screw thread post location installation.

Preferably, the threaded column is installed at the bottom of the connecting rod, the bottom end of the connecting rod is in telescopic connection with the base, and the connecting rod is in telescopic movement on the base, so that the length formed between the connecting rod and the base is changed.

Preferably, a damping spring is connected between the base and the side plate, and the base and the side plate are driven to move in a telescopic mode under the elastic action of the damping spring.

Preferably, the surface mounting of base has the support column, the surface of support column is provided with the bump, runs through the base through the support column for the base can be stable moves in the vertical direction.

Preferably, the surface through connection of support column has the rubber sleeve, the rubber sleeve is installed in the inside of mount pad, through the support column in the inside activity of rubber sleeve for the mount pad receives support column and rubber sleeve when removing frictional force to cushion when going up and down.

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

1. this centrifugal fan with structure of making an uproar falls through mutually supporting between centrifugal fan, motor, mount pad, shell, amortization cotton, buckle, pivot, cardboard, connection rope and the connecting spring, realizes making an uproar falls in the amortization of motor.

2. This centrifugal fan with structure of making an uproar is fallen through mutually supporting between curb plate, nut, screw thread post, connecting rod, base, damping spring, rubber sleeve and the support column for damping spring carries out the shock attenuation to centrifugal fan.

Drawings

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

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

FIG. 3 is a schematic view of the connection structure of the mounting base and the supporting post of the present invention;

fig. 4 is a schematic view of the connection structure of the motor and the housing of the present invention;

fig. 5 is a schematic view of the enlarged connection structure of the utility model a.

In the figure: 1. a centrifugal fan; 2. a motor; 3. a mounting base; 4. a housing; 5. silencing cotton; 6. buckling; 7. a rotating shaft; 8. clamping a plate; 9. connecting ropes; 10. a connecting spring; 11. a side plate; 12. a nut; 13. a threaded post; 14. a connecting rod; 15. a base; 16. a damping spring; 17. a rubber sleeve; 18. and (4) a support column.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a centrifugal fan with noise reducing features, comprising: the fan comprises a centrifugal fan 1, a motor 2 and a mounting seat 3, wherein the motor 2 is mounted on one side of the centrifugal fan 1, the motor 2 is mounted on the mounting seat 3, a shell 4 sleeved outside the motor 2 is placed on the surface of the mounting seat 3, silencing cotton 5 is mounted on the inner wall of the shell 4, a buckle 6 is clamped on the surface of the shell 4, the bottom of the buckle 6 is movably connected with a rotating shaft 7, two ends of the rotating shaft 7 are movably connected onto the mounting seat 3, a clamping plate 8 is connected onto the surface of the buckle 6, a connecting rope 9 is sleeved on the surface of the clamping plate 8, and one end of the connecting rope 9 is connected with a connecting spring 10;

the shell 4 is sleeved on the motor 2, and the vibration amplitude of the motor 2 is silenced through silencing cotton 5 on the inner wall of the shell 4, so that the noise generated by the motor 2 is reduced;

one end of a connecting rope 9 is connected with a disc block, the disc block is connected with the inner wall of the mounting seat 3 in a sliding mode, the connecting rope 9 is elastically telescopic under the elastic action of a connecting spring 10, side plates 11 are mounted on two sides of the mounting seat 3, the top of each side plate 11 is connected with a nut 12, threaded columns 13 are simultaneously connected inside the nuts 12 and the side plates 11 in a penetrating mode, the bottoms of the threaded columns 13 are mounted on a connecting rod 14, the bottom end of the connecting rod 14 is telescopically connected with a base 15, a damping spring 16 is connected between the base 15 and the side plates 11, supporting columns 18 are mounted on the surface of the base 15, salient points are arranged on the surfaces of the supporting columns 18, rubber sleeves 17 are connected on the surfaces of the supporting columns 18 in a penetrating mode, and the rubber sleeves 17 are mounted inside the mounting seat 3;

the mount 3 is damped by the damper spring 16, so that the vibration amplitude of the mount 3 is reduced.

In summary, the following steps: as shown in fig. 1-5, when using the centrifugal fan with noise reduction structure, firstly, the housing 4 is sleeved on the motor 2, then the buckle 6 is pulled, the buckle 6 rotates on the mounting base 3 with the rotating shaft 7 as a circle center, then the buckle 6 is loosened, the buckle 6 enables the buckle 6 and the housing 4 to be clamped with each other under the elastic action of the connecting spring 10, thereby clamping and positioning the housing 4, then the motor 2 is started, the motor 2 drives the centrifugal fan 1 to work, meanwhile, the silencing cotton 5 on the inner wall of the housing 4 absorbs the sound generated by the motor 2, so as to achieve the effect of reducing noise of the device, meanwhile, the motor 2, during the working process, the mounting base 3 swings up and down, meanwhile, the supporting column 18 makes telescopic movement on the rubber sleeve 17, meanwhile, the connecting rod 14 and the base 15 move mutually, and the movement amplitude of the connecting rod 14 is damped through the damping spring 16, thereby achieving the damping of the threaded column 13, so that when the device is used, the vibration amplitude of the whole device is reduced, and further achieving the effect and the purpose of damping the device, which is the characteristic of the centrifugal fan with noise reduction structure.

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. A centrifugal fan with a noise reducing structure comprising: centrifugal fan (1), motor (2) and mount pad (3), its characterized in that: a motor (2) is installed on one side of the centrifugal fan (1), the motor (2) is installed on an installation seat (3), a shell (4) sleeved outside the motor (2) is placed on the surface of the installation seat (3), and silencing cotton (5) is installed on the inner wall of the shell (4);

the surface of the shell (4) is clamped with a buckle (6), the bottom of the buckle (6) is movably connected with a rotating shaft (7), two ends of the rotating shaft (7) are movably connected onto the mounting seat (3), the surface of the buckle (6) is connected with a clamping plate (8), the surface of the clamping plate (8) is sleeved with a connecting rope (9), and one end of the connecting rope (9) is connected with a connecting spring (10).

2. The centrifugal fan with the noise reduction structure according to claim 1, wherein: one end of the connecting rope (9) is connected with a disc block, and the disc block is connected with the inner wall of the mounting seat (3) in a sliding mode.

3. The centrifugal fan with the noise reduction structure according to claim 2, wherein: the connecting rope (9) performs elastic telescopic movement under the elastic action of the connecting spring (10).

4. The centrifugal fan with the noise reduction structure according to claim 3, wherein: curb plate (11) are installed to the both sides of mount pad (3), the top of curb plate (11) is connected with nut (12), the inside through connection of nut (12) and curb plate (11) has screw thread post (13) simultaneously.

5. The centrifugal fan with the noise reduction structure according to claim 4, wherein: the bottom of the threaded column (13) is arranged on a connecting rod (14), and the bottom end of the connecting rod (14) is in telescopic connection with a base (15).

6. The centrifugal fan with the noise reduction structure according to claim 5, wherein: and a damping spring (16) is connected between the base (15) and the side plate (11).

7. The centrifugal fan with the noise reduction structure according to claim 6, wherein: the surface mounting of base (15) has support column (18), the surface of support column (18) is provided with the bump.

8. The centrifugal fan with the noise reduction structure according to claim 7, wherein: the surface of support column (18) runs through and is connected with rubber sleeve (17), the inside at mount pad (3) is installed in rubber sleeve (17).