CN212928271U

CN212928271U - Low-noise centrifugal fan

Info

Publication number: CN212928271U
Application number: CN202021812458.4U
Authority: CN
Inventors: 陈霞; 顾杰
Original assignee: Suzhou Unionpay Electromechanical Technology Co ltd
Current assignee: Suzhou Unionpay Electromechanical Technology Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-04-09
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a low noise centrifugal fan, including the sound-proof housing, the connector is installed to the one end of sound-proof housing, fixed cover is installed to the one end of connector, stable base is installed to the bottom of fixed cover, the motor cabinet is installed at the top of fixed cover, the shell of making an uproar falls is installed at the top of motor cabinet, the internally mounted who falls the shell of making an uproar has the motor. The utility model discloses a shell of making an uproar falls is installed in the motor outside, can fall the processing of making an uproar to the motor through it, and can carry out the processing of making an uproar to the fan through the sound-proof housing, this kind of design has improved the processing of making an uproar that falls of motor greatly, and fall the bottom of the shell of making an uproar and install the motor cabinet, install fixed cover in the bottom of motor cabinet, and the internally mounted of fixed cover has two exhaust tubes, conveniently control the flow of air, and pass through the flange board in the one end of fixed cover and be connected with the connector, the equipment of convenient device.

Description

Low-noise centrifugal fan

Technical Field

The utility model relates to a centrifugal fan field specifically is a low noise centrifugal fan.

Background

The centrifugal fan is a driven fluid machine which is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial kilns, cooling and ventilation of air conditioning equipment and household electrical equipment, drying and sorting of grains, air supply of wind tunnel and inflation and propulsion of air cushion ships and the like.

The centrifugal fan in the current stage has various defects, such as inconvenient installation and disassembly, poor noise reduction capability, poor heat dissipation capability and poor air circulation effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low noise centrifugal fan to the installation of solving among the prior art is dismantled inconveniently, and the ability of making an uproar is poor, and the heat dissipation is poor, the poor problem of circulation of air effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low noise centrifugal fan, includes the sound-proof housing, the connector is installed to the one end of sound-proof housing, fixed cover is installed to the one end of connector, stable base is installed to the bottom of fixed cover, the motor cabinet is installed at the top of fixed cover, the shell of making an uproar falls in the top of motor cabinet is installed, the internally mounted of the shell of making an uproar falls has the motor.

Preferably, the fixed sleeve is internally provided with two air exhaust pipes.

Preferably, the outside of sound-proof housing is provided with the heat dissipation strip, the internally mounted of sound-proof housing has centrifugal impeller, and the motor passes through motor spindle and is connected with centrifugal impeller rotation.

Preferably, a connecting flange is installed at one end of the fixing sleeve, and the connecting flange is fixedly connected with one end of the connector through a bolt.

Preferably, the connecting head is provided with a connecting pipe hole, and one end of the exhaust pipe is connected with the connecting pipe hole.

Preferably, stabilizing base is installed to the bottom of fixed cover, the top of fixed cover is provided with the bolt hole, and the bottom of motor cabinet passes through bolt hole and fixed cover bolt fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a shell of making an uproar falls is installed in the motor outside, can fall the processing of making an uproar to the motor through it, and can carry out the processing of making an uproar to the fan through the sound-proof housing, this kind of design has improved the processing of making an uproar that falls of motor greatly, and fall the bottom of the shell of making an uproar and install the motor cabinet, install fixed cover in the bottom of motor cabinet, and the internally mounted of fixed cover has two exhaust tubes, conveniently control the flow of air, and pass through the flange board in the one end of fixed cover and be connected with the connector, the equipment of convenient device.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the sound enclosure of the present invention.

Fig. 3 is a plan view of the centrifugal impeller of the present invention.

Fig. 4 is a top view of the fixing sleeve of the present invention.

In the figure: 1. a motor; 2. a noise reducing housing; 3. a motor base; 4. an air exhaust pipe; 5. fixing a sleeve; 6. a stabilizing base; 7. a connecting flange; 8. a connector; 9. a sound-proof housing; 10. a heat dissipating strip; 11. a centrifugal impeller; 12. and (4) connecting the pipe holes.

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. 1-4, in an embodiment of the present invention, a low noise centrifugal fan includes a sound-proof housing 9, a connector 8 is installed at one end of the sound-proof housing 9, the connector 8 is conveniently and fixedly connected to a fixing sleeve 5, a pipe connecting hole 12 is formed on the connector 8, one end of an air exhaust pipe 4 is connected to the pipe connecting hole 12, the pipe connecting hole 12 is conveniently and fixedly connected to one end of the air exhaust pipe 4, a heat dissipating strip 10 is disposed on an outer side of the sound-proof housing 9, the heat dissipating strip 10 can improve a heat dissipating effect of the sound-proof housing 9, a centrifugal impeller 11 is installed inside the sound-proof housing 9, a motor 1 is rotatably connected to the centrifugal impeller 11 through a motor spindle, the centrifugal impeller 11 is used for generating centrifugal force, the fixing sleeve 5 is installed at one end of the connector 8, a stabilizing base 6 is installed at a bottom end of the fixing sleeve 5, a, flange 7 is installed to the one end of fixed cover 5, and flange 7 passes through the one end fixed connection of bolt and connector 8, the internally mounted of fixed cover 5 has exhaust tube 4, and exhaust tube 4 is provided with two altogether, exhaust tube 4 makes things convenient for the flow of air current, stabilizing base 6 is installed to the bottom of fixed cover 5, motor cabinet 3 is installed at the top of fixed cover 5, the top of motor cabinet 3 is installed and is fallen shell 2 of making an uproar, it can fall the processing of making an uproar to fall shell 2 of making an uproar to motor 1, the internally mounted who falls shell 2 of making an uproar has motor 1, motor 1 is used for controlling centrifugal impeller 11.

The utility model discloses a theory of operation is: this equipment is when using, passes through the bolt with motor cabinet 3 and installs on fixed cover 5, and makes the one end of connector 8 carry out the bolt fastening with flange 7 of fixed cover 5 one end, through the rotation of motor 1 control centrifugal impeller 11, makes centrifugal impeller 11's effect produce centrifugal force, makes the outside air enter into the inside of sound-proof housing 9 by exhaust tube 4, then discharges by the one end of sound-proof housing 9, and can strengthen the radiating effect of sound-proof housing 9 through heat dissipation strip 10.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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. A low noise centrifugal fan, includes sound-proof housing (9), its characterized in that: connector (8) are installed to the one end of sound-proof housing (9), fixed cover (5) are installed to the one end of connector (8), stable base (6) are installed to the bottom of fixed cover (5), motor cabinet (3) are installed at the top of fixed cover (5), shell (2) of making an uproar falls is installed at the top of motor cabinet (3), the internally mounted of shell (2) of making an uproar falls has motor (1).

2. A low noise centrifugal fan according to claim 1, wherein: the internal installation of fixed cover (5) has aspiration tube (4), and aspiration tube (4) are provided with two altogether.

3. A low noise centrifugal fan according to claim 1, wherein: the outside of sound-proof housing (9) is provided with heat dissipation strip (10), the internally mounted of sound-proof housing (9) has centrifugal impeller (11), and motor (1) passes through the motor spindle and is connected with centrifugal impeller (11) rotation.

4. A low noise centrifugal fan according to claim 1, wherein: connecting flange (7) is installed to the one end of fixed cover (5), and connecting flange (7) pass through the one end fixed connection of bolt and connector (8).

5. A low noise centrifugal fan according to claim 1, wherein: the connector (8) is provided with a pipe connecting hole (12), and one end of the exhaust pipe (4) is connected with the pipe connecting hole (12).

6. A low noise centrifugal fan according to claim 1, wherein: the stabilizing base (6) is installed to the bottom of fixed cover (5), the top of fixed cover (5) is provided with the bolt hole, and the bottom of motor cabinet (3) passes through bolt hole and fixed cover (5) bolt fixed connection.