CN220581304U

CN220581304U - Dustproof centrifugal fan

Info

Publication number: CN220581304U
Application number: CN202322253367.1U
Authority: CN
Inventors: 张国高
Original assignee: Dongguan Accor Ventilation Equipment Manufacturing Co ltd
Current assignee: Dongguan Accor Ventilation Equipment Manufacturing Co ltd
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-03-12
Anticipated expiration: 2033-08-21

Abstract

The utility model relates to a dustproof centrifugal fan which comprises a shell, wherein an air inlet is formed in one side of the outer portion of the shell, a dustproof cover is detachably connected to the outer portion of the air inlet, a fixing frame is fixedly connected to the upper portion of the outer portion of the shell, and a first motor is fixedly connected to one side of the bottom of the fixing frame. The utility model has the beneficial effects that the problems that in the prior art, although the fan can mount the dustproof filter screen through the arranged sliding block, when cleaning and replacing are needed, the shifting block is pushed to enable the sliding block to be separated from the limit position, so that the dustproof filter screen is detached, but in the daily use process, dust in the air can be continuously attached to the dustproof filter screen, if the dustproof filter screen is required to be continuously kept clean, a worker is required to frequently detach and clean the dustproof filter screen and then mount the dustproof filter screen, the labor is very consumed, the fan cannot work after the disassembly, and if not, dust is sucked into the fan, and the usability is poor are solved.

Description

Dustproof centrifugal fan

Technical Field

The utility model relates to the technical field of centrifugal fans, in particular to a dustproof centrifugal fan.

Background

The centrifugal fan is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a driven fluid machine. Centrifugal fans are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and induced draft of boilers and industrial kilns; cooling and ventilation in air-conditioning devices and household appliances; drying and selecting grains; inflation and propulsion of wind tunnel wind source and air cushion ship, etc.

Through retrieval, chinese patent discloses a dustproof centrifugal fan (grant publication No. CN 216077744U), the technology of the patent comprises a centrifugal fan, wherein the centrifugal fan is provided with an air inlet and an air supply outlet, the air inlet is provided with a square air duct, the square air duct is provided with a dustproof mechanism, and the square air duct is provided with a pre-installation piece; the dustproof mechanism comprises a fixed frame and a dustproof filter screen, the square air duct is provided with an assembly groove, the square air duct is provided with a sliding groove, the fixed frame is arranged inside the assembly groove and the sliding groove, the dustproof filter screen is arranged on the fixed frame, and a locking assembly is arranged between the fixed frame and the square air duct; the locking component comprises a step sliding block, a poking block and a spring, the square air duct is provided with a step sliding groove, the step sliding block is arranged on the step sliding groove, the square air duct is provided with a poking groove, the poking block is arranged on the wave groove, and the fixing frame is provided with a locking groove; the device can release the locking subassembly fast through stirring the piece and to the spacing of fixed frame, and the operation is very simple and convenient, does benefit to people to pull down the clearance or change dustproof filter screen.

This patent technology installs dustproof filter screen at actual application in-process, thereby the slider that the accessible set up promotes the shifting block when need clear up the change makes the slider break away from spacing and tear down dustproof filter screen, but in daily use, the dust in the air can be continuously attached to the dust screen, if want to make the dust screen keep clean continuously then need the staff frequent tear down dustproof filter screen and install after the clearance again, very consume the manpower, and can't carry out work at the back fan of dismantling, no one will lead to the dust to be inhaled inside the fan, the usability is relatively poor.

Disclosure of Invention

In view of the foregoing problems in the prior art, a primary object of the present utility model is to provide a dust-proof centrifugal fan.

The technical scheme of the utility model is as follows: the utility model provides a dust type centrifugal fan, includes the shell, outside one side of shell is provided with the air intake, the outside of air intake can be dismantled and be connected with the dust cover, the outside top fixedly connected with mount of shell, the first motor of bottom one side fixedly connected with of mount, the output fixedly connected with first belt pulley of first motor, the inner wall below rotation of mount is connected with the spliced pole, the outside fixedly connected with second belt pulley of spliced pole, first belt pulley passes through drive belt transmission with the second belt pulley and is connected, the inside sliding connection of spliced pole has the slide bar, the outside one end fixedly connected with brush of slide bar.

As a preferred implementation mode, the output end of the first motor is rotationally connected with the inner wall of the fixing frame, and bristles are equidistantly arranged on one side, close to the dust cover, of the outer portion of the brush.

As a preferred implementation mode, one end of the sliding rod is provided with a first spring positioned in the rotating column, and a dust screen is fixedly connected in the dust cover.

As a preferred implementation mode, the inside both sides of dust cover have all been seted up and have been torn open the groove, the inside of tearing open the groove extends to the outside sliding connection of dust cover and has the fixture block, the one end of fixture block just is located the inside of tearing open the groove and is provided with the second spring.

As a preferred implementation mode, the limiting blocks matched with the clamping blocks are fixedly connected to the two sides of the outer portion of the air inlet, the pushing blocks are fixedly connected to the outer portion of the clamping blocks extending to the dust cover, and the pushing blocks are in sliding connection with the inner wall of the dust cover.

As a preferred implementation mode, one side, far away from the air inlet, of the outer part of the shell is fixedly connected with a second motor, and one side of the top of the shell is provided with an air outlet.

As a preferred implementation mode, a control switch is arranged on one side of the top of the fixing frame, and the first motor and the second motor are electrically connected with the control switch.

Compared with the prior art, the utility model has the advantages and positive effects that:

according to the utility model, when the dust screen in the dust cover is required to be cleaned, the first motor is started through the control switch, the output end of the first motor drives the first belt pulley to rotate, the first belt pulley drives the rotating column to rotate through the driving belt and the second belt pulley, so that the rotating column drives the hairbrush to rotate through the sliding rod, and the brush hair on the hairbrush can be used for comprehensively cleaning the dust screen in the dust cover, so that dust and dust attached to the dust screen are cleaned, the air inlet effect of the air inlet is prevented from being influenced by excessive dust, the dust cover is not required to be frequently removed for cleaning, the labor is greatly saved, the practicability of the centrifugal fan is improved, and the operation quality and the service efficiency are greatly improved compared with those of a traditional device.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a side cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;

fig. 4 is an enlarged view of fig. 2B in accordance with the present utility model.

Legend description: 1. a housing; 2. an air inlet; 3. a dust cover; 4. a fixing frame; 5. a first motor; 6. a first pulley; 7. rotating the column; 8. a second pulley; 9. a drive belt; 10. a slide bar; 11. a brush; 12. a first spring; 13. a limiting block; 14. a dismantling groove; 15. a clamping block; 16. a second spring; 17. a pushing block; 18. a dust screen; 19. a second motor; 20. an air outlet; 21. and controlling the switch.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

The utility model will be further described with reference to the drawings and the specific embodiments

Example 1

As shown in fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a dust type centrifugal fan, which comprises a housing 1, the outside one side of shell 1 is provided with air intake 2, the outside of air intake 2 is dismantled and is connected with dust cover 3, the outside top fixedly connected with mount 4 of shell 1, the first motor 5 of bottom one side fixedly connected with of mount 4, the output fixedly connected with first belt pulley 6 of first motor 5, the inner wall below rotation of mount 4 is connected with rotor post 7, the outside fixedly connected with second belt pulley 8 of rotor post 7, first belt pulley 6 passes through drive belt 9 transmission with second belt pulley 8 and is connected, the inside sliding connection of rotor post 7 has slide bar 10, the outside one end fixedly connected with brush 11 of slide bar 10.

In this embodiment, when needing to clear up the dust screen 18 in the dust cover 3, start first motor 5 through control switch 21, the output of first motor 5 drives first belt pulley 6 and rotates, first belt pulley 6 rethread drive belt 9 and second belt pulley 8 drive the rotation post 7 and rotate, make the rotation post 7 drive the brush 11 through slide bar 10 and rotate, can clean the dust screen 18 in the dust cover 3 comprehensively through the brush hair on the brush 11, thereby clear up dust and dust attached to the dust screen 18, avoid too much dust to influence the air inlet effect of air intake 2, and need not frequently pull down the dust cover 3 to clear up it, the manpower is saved greatly, thereby centrifugal fan's practicality has been promoted.

Example 2

As shown in fig. 1-4, the output end of the first motor 5 is rotationally connected with the inner wall of the fixed frame 4, bristles are equidistantly arranged on one side, close to the dust cover 3, of the outer part of the hairbrush 11, one end of the sliding rod 10 is provided with a first spring 12 and positioned in the rotating column 7, the dust cover 3 is fixedly connected with a dust screen 18, the two sides of the inner part of the dust cover 3 are respectively provided with a dismounting groove 14, the inner part of the dismounting groove 14 extends to the outer part of the dust cover 3 and is slidably connected with a clamping block 15, one end of the clamping block 15 is provided with a second spring 16 and positioned in the dismounting groove 14, two sides of the outer part of the air inlet 2 are respectively fixedly connected with a limiting block 13 matched with the clamping block 15, the outer part of the clamping block 15 extends to the outer part of the dust cover 3 and is fixedly connected with a push block 17, the push block 17 is slidably connected with the inner wall of the dust cover 3, one side, far away from the air inlet 2, of the outer part of the casing 1 is fixedly connected with a second motor 19, the top side of the casing 1 is provided with an air outlet 20, one side of the top of the fixed frame 4 is provided with a control switch 21, and the first motor 5 and the second motor 19 are electrically connected with the control switch 21;

in this embodiment, in the process of cleaning the dust screen 18 by the brush 11, the sliding rod 10 is continuously pushed outwards by the rebound force of the first spring 12 in the rotating column 7, so that the brush 11 is pushed by the sliding rod 10, the brush 11 can be always attached to the dust screen 18, the cleaning effect is improved, when the dust screen 3 needs to be replaced or maintained, the pushing block 17 is manually pushed, the clamping block 15 is driven to slide towards the interior of the dismounting groove 14, meanwhile, the second spring 16 is extruded, the second spring 16 is deformed until the clamping block 15 completely moves to the interior of the dismounting groove 14, then the brush 11 is pushed towards the interior of the rotating column 7, a gap is reserved for the dust screen 3, the dust screen 3 can be pulled outwards, the dismounting is completed, and the centrifugal fan body can be controlled by the aid of the second motor 19.

Working principle:

as shown in fig. 1-4, when the dust screen 18 in the dust cover 3 needs to be cleaned, the first motor 5 is started through the control switch 21, the output end of the first motor 5 drives the first belt pulley 6 to rotate, the first belt pulley 6 passes through the driving belt 9 and the second belt pulley 8 to drive the rotating post 7 to rotate, the rotating post 7 drives the brush 11 to rotate through the sliding rod 10, the brush hair on the brush 11 can clean the dust screen 18 in the dust cover 3 comprehensively, thereby the dust and dust attached to the dust screen 18 are cleaned, the air inlet effect of the air inlet 2 is avoided, and the dust screen 3 does not need to be frequently removed, the manpower is greatly saved, the practicality of the centrifugal fan is improved, the brush 11 continuously pushes the sliding rod 10 outwards through the rebound force of the first spring 12, the brush 11 can be pushed by the brush 10, the brush 11 can be always clung to the dust screen 18, the lifting effect is improved, when the dust screen 3 needs to be replaced or maintained, the dust attached to the dust screen 18 is cleaned, the push block 17 is pushed by the push block 17, the dust can be pushed by the push block 17 to the second spring 15 to the inside the brush 11, the second spring 12 can be pushed by the second spring 12 is pushed by the second spring 12, and the second spring is pushed by the second spring 12 to be pushed by the second spring 12 to the second spring 11 to be completely clean the second spring, and the second spring is pushed by the second spring 11, and the second spring is deformed by the second spring is completely, and the second spring is pushed by the second spring 11, the second spring is completely and the second spring is pushed by the second spring, the second spring is completely and the second spring 11 is completely and the inside the spring 11 can has the inside the dust can be completely pushed by the dust can and the dust can has the dust can and the dust can 11 can be completely cleaned.

Finally, it should be noted that: the embodiments described above are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. A dustproof centrifugal fan, includes shell (1), its characterized in that: the novel dust collector is characterized in that an air inlet (2) is formed in one side of the outer portion of the outer shell (1), a dust cover (3) is detachably connected to the outer portion of the air inlet (2), a fixing frame (4) is fixedly connected to the upper portion of the outer shell (1), a first motor (5) is fixedly connected to one side of the bottom of the fixing frame (4), a first belt pulley (6) is fixedly connected to the output end of the first motor (5), a rotating column (7) is rotatably connected to the lower portion of the inner wall of the fixing frame (4), a second belt pulley (8) is fixedly connected to the outer portion of the rotating column (7), the first belt pulley (6) is in transmission connection with the second belt pulley (8) through a transmission belt (9), a sliding rod (10) is connected to the inner portion of the rotating column (7), and a hairbrush (11) is fixedly connected to one end of the outer portion of the sliding rod (10).

2. A dust-proof centrifugal fan according to claim 1, wherein: the output end of the first motor (5) is rotationally connected with the inner wall of the fixing frame (4), and bristles are arranged on one side, close to the dust cover (3), of the outer portion of the hairbrush (11) at equal intervals.

3. A dust-proof centrifugal fan according to claim 1, wherein: one end of the sliding rod (10) is provided with a first spring (12) positioned in the rotating column (7), and a dust screen (18) is fixedly connected in the dust cover (3).

4. A dust-proof centrifugal fan according to claim 1, wherein: the dust cover is characterized in that the disassembly grooves (14) are formed in two sides of the inside of the dust cover (3), clamping blocks (15) are connected to the outside of the dust cover (3) in a sliding mode, and second springs (16) are arranged at one ends of the clamping blocks (15) and located in the disassembly grooves (14).

5. The dust protected centrifugal fan according to claim 4, wherein: both sides of the outside of the air inlet (2) are fixedly connected with limiting blocks (13) matched with the clamping blocks (15), pushing blocks (17) are fixedly connected with the outside of the clamping blocks (15) extending to the dust cover (3), and the pushing blocks (17) are in sliding connection with the inner wall of the dust cover (3).

6. A dust-proof centrifugal fan according to claim 1, wherein: the air conditioner is characterized in that a second motor (19) is fixedly connected to one side, away from the air inlet (2), of the outer part of the outer shell (1), and an air outlet (20) is formed in one side of the top of the outer shell (1).

7. The dust protected centrifugal fan according to claim 6, wherein: a control switch (21) is arranged on one side of the top of the fixing frame (4), and the first motor (5) and the second motor (19) are electrically connected with the control switch (21).