CN216044516U

CN216044516U - Automatic dust removal axial fan of high life

Info

Publication number: CN216044516U
Application number: CN202122183916.3U
Authority: CN
Inventors: 周涧军
Original assignee: Anhui Honglan Electromechanical Technology Co ltd
Current assignee: Anhui Honglan Electromechanical Technology Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-03-15
Anticipated expiration: 2031-09-10

Abstract

The utility model is suitable for the technical field of axial flow fans, and provides a long-life automatic dust removal axial flow fan which comprises a fan barrel, an axial flow motor fixedly arranged in the fan barrel, an axial flow fan blade in transmission connection with the output end of the axial flow motor, and a cleaning mechanism, wherein the cleaning mechanism is used for cleaning dust adhered to two side faces of the axial flow fan blade, and comprises a fixed housing, a movable block, a fixed plate, an air cylinder and a dust cleaning component.

Description

Automatic dust removal axial fan of high life

Technical Field

The utility model relates to the technical field of axial flow fans, in particular to an automatic dust removal axial flow fan with a long service life.

Background

Axial-flow fan is widely applied to various ventilation systems, and some ventilation systems have more dust in working environment, so that a large amount of dust is easily attached to the impeller of the axial-flow fan, and the ventilation effect is greatly influenced and the noise is increased due to the large amount of dust attached to the impeller.

In the prior art, the air cylinder is usually adopted to drive the brush to be close to the surface of the impeller, and the impeller is cleaned in the rotating process of the impeller, but the brush can be attached with a large amount of dust after the impeller is cleaned, and especially after the impeller is cleaned for many times, the accumulation of the dust on the brush makes the brush difficult to thoroughly clean the dust on the surface of the impeller, so that the cleaning effect of the impeller is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic dust removal axial flow fan with long service life, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a long-life automatic dust removal axial flow fan comprises a fan barrel, an axial flow motor fixedly arranged in the fan barrel, axial flow fan blades in transmission connection with the output end of the axial flow motor, and a cleaning mechanism, wherein the cleaning mechanism is used for cleaning dust adhered to two side faces of the axial flow fan blades and comprises a fixed housing, a movable block, a fixed plate, an air cylinder and a dust cleaning assembly, the fixed housing is fixedly arranged on the fan barrel, through holes communicated with the fan barrel are symmetrically formed in the bottom face of the fixed housing, the air cylinder is fixedly arranged on the top face of an inner cavity of the fixed housing, the movable block is fixedly arranged at the telescopic end of the air cylinder, a pair of fixed plates is symmetrically arranged on the bottom face of the movable block, the rotating distance of the axial flow fan blades is reserved between the two fixed plates, the two fixed plates are in sliding fit with the through holes, and the opposite faces of the two fixed plates are provided with brushes, the dust cleaning assembly is used for cleaning dust adhered to the cleaned brush, and comprises a dust cleaning disc and a driving unit, the dust cleaning disc is movably arranged outside the fixed housing and located between the two fixed plates, and the driving unit is used for providing power for the dust cleaning disc to reciprocate up and down.

As a further scheme of the utility model: the driving unit comprises a push-pull rod, a first gear, a second gear, a first rotating shaft, a second rotating shaft and a power module, the first rotating shaft and the second rotating shaft are arranged in the fixed housing in a parallel rotating mode, the first rotating shaft and the second rotating shaft are respectively and fixedly provided with the first gear and the second gear, the first gear is a special-shaped gear and meshed with the first gear and the second gear, the first gear comprises a gear body and a pair of gear teeth arranged on the gear body, the gear teeth are symmetrically arranged at two ends of the gear body in the diameter direction, one end of the push-pull rod is fixedly connected with the ash removal disc, the other end of the push-pull rod is movably inserted into the fixed housing, a first straight rack meshed with the first gear and the second gear is arranged on the side face of the push-pull rod, and the power module is used for providing power for the rotation of the first rotating shaft.

As a further scheme of the utility model: the power unit comprises a transmission gear and a second spur rack, the transmission gear is fixedly arranged on the first rotating shaft, the second spur rack is fixedly arranged on the bottom surface of the movable block, and the second spur rack is meshed with the transmission gear.

As a further scheme of the utility model: the side of the ash removing disc is provided with a plurality of ash removing teeth at equal intervals.

As a further scheme of the utility model: the outer wall of the fan barrel is also provided with a controller, and the controller is electrically connected with the air cylinder and the axial flow motor and used for controlling the expansion of the air cylinder and the operation or the shutdown of the axial flow motor.

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

according to the utility model, by arranging the cleaning mechanism, when dust on the axial flow fan blade needs to be cleaned, the air cylinder is controlled to extend, the air cylinder drives the movable block to move towards the direction close to the fan barrel, so that the fixed plates extend into the fan barrel from the through hole, then the axial flow motor is controlled to slowly rotate, the axial flow motor drives the axial flow fan blade to rotate between the two fixed plates, and the dust on the two sides of the axial flow fan blade can be cleaned simultaneously by matching with the hairbrush arranged between the fixed plates.

Drawings

FIG. 1 is a schematic view of an overall structure of a long-life automatic dust removal axial flow fan;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 2;

FIG. 4 is a partial perspective view of a drive unit in a long-life automatic dust removal axial flow fan;

in the figure: 1-a fan barrel, 2-an axial flow motor, 3-an axial flow fan blade, 4-a fixed cover shell, 5-a through hole, 6-a movable block, 7-a cylinder, 8-a fixed plate, 9-a brush, 10-an ash removing disc, 11-a push-pull rod, 12-a first gear, 13-a second gear, 14-a first rotating shaft, 15-a second rotating shaft, 16-a first straight rack, 17-a gear body, 18-gear teeth, 19-a transmission gear, 20-a second straight rack and 21-a controller.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1-4, a long-life automatic dust removal axial flow fan comprises a fan barrel 1, an axial flow motor 2 fixedly arranged in the fan barrel 1, an axial flow fan blade 3 in transmission connection with an output end of the axial flow motor 2, and a cleaning mechanism for cleaning dust adhered to two side faces of the axial flow fan blade 3, wherein the cleaning mechanism comprises a fixed housing 4, a movable block 6, a fixed plate 8, an air cylinder 7 and a dust cleaning component, the fixed housing 4 is fixedly arranged on the fan barrel 1, the bottom face of the fixed housing 4 is symmetrically provided with through holes 5 communicated with the fan barrel 1, the air cylinder 7 is fixedly arranged on the top face of an inner cavity of the fixed housing 4, the telescopic end of the air cylinder 7 is fixedly provided with the movable block 6, the bottom face of the movable block 6 is symmetrically provided with a pair of fixed plates 8, and a rotation distance of the axial flow fan blade 3 is reserved between the two fixed plates 8, the two fixing plates 8 are in sliding fit with the through hole 5, the opposite surfaces of the two fixing plates 8 are provided with brushes 9, the ash cleaning component is used for cleaning dust adhered to the brushes 9 after cleaning, the ash cleaning component comprises an ash cleaning disc 10 and a driving unit, the ash cleaning disc 10 is movably arranged outside the fixed housing 4 and is positioned between the two fixing plates 8, the driving unit is used for providing power for the up-and-down reciprocating motion of the ash cleaning disc 10, when the dust on the axial flow fan blade 3 needs to be cleaned by arranging a cleaning mechanism, the cylinder 7 is controlled to extend by controlling the extension of the cylinder 7, the cylinder 7 drives the movable block 6 to move towards the direction close to the fan barrel 1, so that the fixing plates 8 extend into the fan barrel 1 from the through hole 5, then the axial flow motor 2 is controlled to slowly rotate, the axial flow motor 2 drives the axial flow fan blade 3 to rotate between the two fixing plates 8, and the brushes 9 arranged between the fixing plates 8 are matched, can clear up simultaneously the dust of 3 both sides of axial flow fan blade, after the clearance, cylinder 7 drives the in-process that fixed plate 8 was accomodate back fixed housing 4, and drive unit drives dust pan 10 up-and-down reciprocating motion, realizes the automatic clearance to brush 9, avoids brush 9 to go up the dust accumulation and leads to the not thorough phenomenon of clearance next time, has further improved this cleaning mechanism's suitability.

Wherein, the side of deashing dish 10 is equidistant to be provided with a plurality of deashing teeth, and the setting of deashing tooth has further improved the clearance effect of deashing dish 10 to brush 9.

In addition, a controller 21 is further arranged on the outer wall of the fan barrel 1, and the controller 21 is electrically connected with the air cylinder 7 and the axial flow motor 2 and used for controlling the expansion and contraction of the air cylinder 7 and the operation or the shutdown of the axial flow motor 2.

Example 2

In this embodiment, details of the driving unit are described on the basis of embodiment 1, specifically:

the driving unit comprises a push-pull rod 11, a first gear 12, a second gear 13, a first rotating shaft 14, a second rotating shaft 15 and a power module, the first rotating shaft 14 and the second rotating shaft 15 are arranged in the fixed housing 4 in a parallel and rotating manner, the first rotating shaft 14 and the second rotating shaft 15 are respectively and fixedly provided with the first gear 12 and the second gear 13, the first gear 12 is a special-shaped gear, the first gear 12 is meshed with the second gear 13, the first gear 12 comprises a gear body 17 and a pair of gear teeth 18 arranged on the gear body 17, the pair of gear teeth 18 are symmetrically arranged at two ends of the gear body 17 in the diameter direction, one end of the push-pull rod 11 is fixedly connected with the ash removal disc 10, the other end of the push-pull rod is movably inserted in the fixed housing 4, a first straight rack 16 meshed with the first gear 12 and the second gear 13 is arranged on the side surface of the push-pull rod 11, the power module is used for providing power for the rotation of the first rotating shaft 14, when the power module drives the first rotating shaft 14 to rotate, when the gear teeth 18 in the first gear 12 are meshed with the spur rack 16 arranged on the push-pull rod 11, the first gear 12 is not meshed with the second gear 13, so that the push-pull rod 11 is driven to move upwards, when the first gear 12 is meshed with the second gear 13, the gear teeth 18 on the first gear 12 are not meshed with the spur rack 16, and the push-pull rod 11 moves downwards under the driving of the second gear 13, so that the up-and-down reciprocating motion of the ash removing disc 10 connected with the push-pull rod 11 is realized.

Preferably, the power unit comprises a transmission gear 19 and a second spur rack 20, the transmission gear 19 is fixedly arranged on the first rotating shaft 14, the second spur rack 20 is fixedly arranged on the bottom surface of the movable block 6, the second spur rack 20 is meshed with the transmission gear 19, and by arranging the transmission gear 19 and the second spur rack 20, a driving element is not required to be additionally arranged to drive the first rotating shaft 14 to rotate, so that the production cost is reduced, and the electric energy is saved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A long-life automatic dust removal axial flow fan comprises a fan barrel (1), an axial flow motor (2) fixedly arranged in the fan barrel (1), and an axial flow fan blade (3) in transmission connection with the output end of the axial flow motor (2), and is characterized by further comprising a cleaning mechanism, wherein the cleaning mechanism is used for cleaning dust adhered to two side faces of the axial flow fan blade (3), the cleaning mechanism comprises a fixed housing (4), a movable block (6), a fixed plate (8), an air cylinder (7) and an ash removal assembly, the fixed housing (4) is fixedly arranged on the fan barrel (1), through holes (5) communicated with the fan barrel (1) are symmetrically formed in the bottom face of the fixed housing (4), the air cylinder (7) is fixedly arranged on the top face of an inner cavity of the fixed housing (4), and the movable block (6) is fixedly arranged at the telescopic end of the air cylinder (7), the bottom surface symmetry of movable block (6) is provided with a pair of fixed plate (8), two it has axial compressor fan blade (3) pivoted distance, two to reserve between fixed plate (8) with through-hole (5) sliding fit, and the opposite face of two fixed plate (8) all is provided with brush (9), the deashing subassembly is used for clearing up the dust of adhesion on clearance back brush (9), the deashing subassembly includes deashing dish (10) and drive unit, deashing dish (10) activity sets up outside fixed housing (4) and is located between two fixed plate (8), drive unit is used for providing power for deashing dish (10) up-and-down motion.

2. The long-life automatic dust removal axial flow fan as claimed in claim 1, wherein the driving unit comprises a push-pull rod (11), a first gear (12), a second gear (13), a first rotating shaft (14), a second rotating shaft (15) and a power module, the first rotating shaft (14) and the second rotating shaft (15) are parallelly and rotatably arranged in the fixed housing (4), the first rotating shaft (14) and the second rotating shaft (15) are respectively and fixedly provided with the first gear (12) and the second gear (13), the first gear (12) is a special-shaped gear, the first gear (12) is meshed with the second gear (13), the first gear (12) comprises a gear body (17) and a pair of gear teeth (18) arranged on the gear body (17), the pair of gear teeth (18) are symmetrically arranged at two ends of the gear body (17) in the diameter direction, one end of the push-pull rod (11) is fixedly connected with the dust removal disc (10), the other end of the power module is movably inserted in the fixed housing (4), a first straight rack (16) meshed with the first gear (12) and the second gear (13) is arranged on the side surface of the push-pull rod (11), and the power module is used for providing power for the rotation of the first rotating shaft (14).

3. The long-life automatic dust removal axial flow fan as claimed in claim 2, wherein the power module comprises a transmission gear (19) and a second spur rack (20), the transmission gear (19) is fixedly arranged on the first rotating shaft (14), the second spur rack (20) is fixedly arranged on the bottom surface of the movable block (6), and the second spur rack (20) is meshed with the transmission gear (19).

4. The long-life automatic dust removal axial flow fan as recited in claim 1, wherein a plurality of dust removal teeth are arranged on the side surface of the dust removal disc (10) at equal intervals.

5. The long-service-life automatic dust removal axial flow fan as claimed in claim 1, wherein a controller (21) is further arranged on an outer wall of the fan barrel (1), and the controller (21) is electrically connected with the air cylinder (7) and the axial flow motor (2) and is used for controlling the expansion and contraction of the air cylinder (7) and the operation or shutdown of the axial flow motor (2).