CN212272657U

CN212272657U - Novel centrifugal fan

Info

Publication number: CN212272657U
Application number: CN201922385601.XU
Authority: CN
Inventors: 张学金
Original assignee: Nanchang Jinying Ventilation Equipment Co ltd
Current assignee: Nanchang Jinying Ventilation Equipment Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2021-01-01
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a novel centrifugal fan, which comprises a mounting seat, a casing and an exhaust barrel, wherein the middle part of the top end of the mounting seat is fixedly provided with a driving motor, the output end of the driving motor is fixedly connected with an impeller, the outer part of the impeller is sleeved with the casing, one side of the casing is fixedly connected with one side of the driving motor, the other side of the casing is fixedly communicated with one side of a filter cartridge, the inside of the filter cartridge is sequentially provided with a first filter screen, a second filter screen and a protective screen from left to right, the back surface of the casing is fixedly communicated with the bottom end of the exhaust barrel, the top end of the exhaust barrel is fixedly communicated with the bottom end of a dust hood, the inner walls at the two sides of a chute are respectively connected with the two sides of a dust removing plate in a sliding way, the air inlet end of the centrifugal fan is provided with the filter cartridge, the first filter screen and the, so as to prevent impurities from entering the inside of the centrifugal fan and further ensure the service life of the centrifugal fan.

Description

Novel centrifugal fan

Technical Field

The utility model relates to a centrifugal fan, in particular to novel centrifugal fan.

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 removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.

The air inlet end of the existing centrifugal fan is lack of a filtering protection mechanism, so that impurities are easy to enter the centrifugal fan, and the service life of the centrifugal fan is further shortened; simultaneously, the air outlet end of the existing centrifugal fan can not adsorb fine dust particles, so that the fine dust particles in the centrifugal fan can be conveyed to an air supply position along with the wind, and further the practicability of the centrifugal fan is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel centrifugal fan to solve the problem that the current centrifugal fan's that proposes in the above-mentioned background art air inlet end all lacks filtration protection machanism.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel centrifugal fan, includes mount pad, casing and exhaust section of thick bamboo, the fixed driving motor that is equipped with in middle part on mount pad top, driving motor's output fixedly connected with impeller, the outside cover of impeller is equipped with the casing, one side of casing and one side fixed connection of driving motor, the opposite side of casing and the fixed intercommunication in one side of cartridge filter, turn right from a left side in the inside of cartridge filter and be equipped with first filter screen, second filter screen and protection network in proper order, the back of casing and the bottom mounting intercommunication of exhaust section of thick bamboo, the bottom mounting intercommunication of exhaust section of thick bamboo top and dust excluding hood, the exhaust vent has been seted up at the middle part on dust excluding hood top, the spout has been seted up to one side of dust excluding hood, the inner wall of spout both sides respectively with the both sides sliding.

As an optimized technical scheme of the utility model, threaded hole has all been seted up to four corners on mount pad top.

As an optimized technical scheme of the utility model, the filtration pore diameter of first filter screen is less than the filtration pore diameter of second filter screen.

As a preferred technical scheme of the utility model, the fixed electro-magnet that is equipped with of inner wall of cartridge filter, the avris of first filter screen, second filter screen and the avris of protection network all fix and are equipped with the solid fixed ring of metal, and adsorb between electro-magnet and the solid fixed ring of metal and be connected.

As a preferred technical scheme of the utility model, the inner wall of exhaust vent and the bottom threaded connection who goes out the fan housing.

As an optimized technical scheme of the utility model, the fixed closing plate that is equipped with in front of dust removal board.

As an optimal technical scheme of the utility model, the fixed driving motor switch and the electro-magnet switch of being equipped with in front of casing, driving motor and electro-magnet are respectively through driving motor switch and electro-magnet switch and external power supply electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a novel centrifugal fan, the air inlet end of this centrifugal fan is equipped with the cartridge filter, and is equipped with first filter screen and the second filter screen that the aperture is not of uniform size in the cartridge filter, can filter the wind that gets into centrifugal fan to prevent impurity entering centrifugal fan's inside, and then guarantee centrifugal fan's life; this centrifugal fan's air-out end is equipped with the dust excluding hood, and the inside sliding connection of dust excluding hood has the dust removal board for centrifugal fan's air-out end can effectively adsorb tiny dust particle, and then can effectively improve centrifugal fan's practicality.

Drawings

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

fig. 2 is a schematic structural view of the filter cartridge of the present invention;

fig. 3 is a schematic structural view of the dust excluding hood of the present invention.

In the figure: 1. a mounting seat; 2. a drive motor; 3. a housing; 4. a filter cartridge; 5. an exhaust duct; 6. a dust hood; 7. an air outlet cover; 8. a protective net; 9. an electromagnet; 10. a metal fixing ring; 11. a first filter screen; 12. a second filter screen; 13. a chute; 14. a dust removal plate; 15. a sealing plate; 16. and (4) an air outlet.

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. 1-3, the utility model provides a novel centrifugal fan, which comprises a mounting base 1, a casing 3 and an exhaust barrel 5, wherein a driving motor 2 is fixedly arranged at the middle part of the top end of the mounting base 1, an impeller is fixedly connected with the output end of the driving motor 2, the casing 3 is sleeved outside the impeller, one side of the casing 3 is fixedly connected with one side of the driving motor 2, the other side of the casing 3 is fixedly communicated with one side of a filter cartridge 4, a first filter screen 11 is sequentially arranged inside the filter cartridge 4 from left to right, second filter screen 12 and protection network 8, the back of casing 3 and the bottom mounting intercommunication of air exhaust section of thick bamboo 5, the bottom mounting intercommunication of air exhaust section of thick bamboo 5 top and dust excluding hood 6, exhaust vent 16 has been seted up at the middle part on dust excluding hood 6 top, spout 13 has been seted up to one side of dust excluding hood 6, the inner wall of spout 13 both sides respectively with the both sides sliding connection of dust removal board 14.

Preferably, threaded holes are formed in four corners of the top end of the mounting seat 1, so that the centrifugal fan is convenient to mount; the diameter of the filter hole of the first filter screen 11 is smaller than that of the filter hole of the second filter screen 12, so that impurities in wind can be completely filtered; an electromagnet 9 is fixedly arranged on the inner wall of the filter cartridge 4, metal fixing rings 10 are fixedly arranged on the side of the first filter screen 11, the side of the second filter screen 12 and the side of the protective net 8, and the electromagnet 9 is connected with the metal fixing rings 10 in an adsorption manner, so that the first filter screen 11, the second filter screen 12 and the protective net 8 in the filter cartridge 4 can be taken out conveniently for subsequent cleaning; the inner wall of the air outlet hole 16 is in threaded connection with the bottom of the air outlet cover 7, so that the air discharging direction can be controlled; a sealing plate 15 is fixedly arranged on the front surface of the dust removing plate 14, so that dust can be prevented from leaking out of the sliding chute 13; the front of the casing 3 is fixedly provided with a driving motor switch and an electromagnet switch, and the driving motor 2 and the electromagnet 9 are respectively electrically connected with an external power supply through the driving motor switch and the electromagnet switch.

When the centrifugal fan is used, the centrifugal fan is installed at a preset position through the threaded hole on the installation seat 1, after the centrifugal fan is installed, the driving motor switch is started, the driving motor 2 drives the impeller in the casing 3 to rotate, negative pressure is generated to suck air into the casing 3, due to the existence of the protective screen 8, the first filter screen 11 and the second filter screen 12 in the filter cartridge 4, the air entering the centrifugal fan can be filtered to prevent impurities from entering the centrifugal fan, the service life of the centrifugal fan is further ensured, the air entering the centrifugal fan is discharged through the exhaust barrel 5, the dust removing plate 14 in the dust removing cover 6 can adsorb the air discharged out of the centrifugal fan, so that the air outlet end of the centrifugal fan can effectively adsorb fine dust particles, the practicability of the centrifugal fan can be effectively improved, and finally the air is discharged through the air outlet 16 and the air outlet cover 7, after the centrifugal fan is used, the electromagnet switch is turned off, the first filter screen 11, the second filter screen 12 and the protective screen 8 are taken out for cleaning, and meanwhile, the dust removal plate 14 in the sliding groove 13 is pulled out for cleaning, so that the later-stage filtering and dust removal effects are improved.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 novel centrifugal fan comprises a mounting seat (1), a casing (3) and an exhaust cylinder (5), and is characterized in that a driving motor (2) is fixedly arranged at the middle of the top end of the mounting seat (1), an impeller is fixedly connected with the output end of the driving motor (2), the casing (3) is sleeved outside the impeller, one side of the casing (3) is fixedly connected with one side of the driving motor (2), the other side of the casing (3) is fixedly communicated with one side of a filter cylinder (4), a first filter screen (11), a second filter screen (12) and a protective screen (8) are sequentially arranged inside the filter cylinder (4) from left to right, the back of the casing (3) is fixedly communicated with the bottom end of the exhaust cylinder (5), the top end of the exhaust cylinder (5) is fixedly communicated with the bottom end of a dust hood (6), an air outlet (16) is formed in the middle of the top end of the dust hood (6), one side of the dust hood (6) is provided with a sliding chute (13), and the inner walls of the two sides of the sliding chute (13) are respectively connected with the two sides of the dust removing plate (14) in a sliding manner.

2. The novel centrifugal fan according to claim 1, characterized in that: threaded holes are formed in four corners of the top end of the mounting seat (1).

3. The novel centrifugal fan according to claim 1, characterized in that: the diameter of the filter holes of the first filter screen (11) is smaller than that of the filter holes of the second filter screen (12).

4. The novel centrifugal fan according to claim 1, characterized in that: the fixed electro-magnet (9) that is equipped with of inner wall of cartridge filter (4), the avris of first filter screen (11), the avris of second filter screen (12) and the avris of protection network (8) all fix and are equipped with solid fixed ring of metal (10), and adsorb between electro-magnet (9) and the solid fixed ring of metal (10) and be connected.

5. The novel centrifugal fan according to claim 1, characterized in that: the inner wall of the air outlet hole (16) is in threaded connection with the bottom of the air outlet cover (7).

6. The novel centrifugal fan according to claim 1, characterized in that: and a sealing plate (15) is fixedly arranged on the front surface of the dust removing plate (14).

7. The novel centrifugal fan according to claim 4, characterized in that: the front of the casing (3) is fixedly provided with a driving motor switch and an electromagnet switch, and the driving motor (2) and the electromagnet (9) are respectively electrically connected with an external power supply through the driving motor switch and the electromagnet switch.