CN220956120U

CN220956120U - Flameproof centrifugal ventilator

Info

Publication number: CN220956120U
Application number: CN202322748034.6U
Authority: CN
Inventors: 白景文; 唐震
Original assignee: Dalian Hongda Special Blower Co ltd
Current assignee: Dalian Hongda Special Blower Co ltd
Priority date: 2023-10-13
Filing date: 2023-10-13
Publication date: 2024-05-14
Anticipated expiration: 2033-10-13

Abstract

The utility model relates to the technical field of centrifugal ventilators, in particular to an explosion-proof centrifugal ventilator, which is characterized in that a driving component is started, and the driving component enables an impeller to rotate rapidly in a shell, so that external air enters the shell after being filtered by a dust filtering component and is discharged outside through an air conveying pipe under the action of centrifugal force, dust is attached to the dust filtering component after the dust filtering component is used for a long time, the dust filtering component has a cleaning function to perform dust removal operation, and the service life is prolonged; including support, casing, impeller, drive assembly, air intake and defeated tuber pipe, install the casing on the support, the casing input is provided with the air intake, and the casing output is provided with defeated tuber pipe, and the casing is inside to be provided with the impeller, and drive assembly installs on the support top, and drive assembly is used for the rotation of impeller, still includes dust filtration subassembly, dust filtration subassembly installs at the air intake input.

Description

Flameproof centrifugal ventilator

Technical Field

The utility model relates to the technical field of centrifugal ventilators, in particular to an explosion-proof centrifugal ventilator.

Background

The centrifugal ventilator mainly comprises impeller, casing, motor, shaft coupling, shaft, etc., the impeller is the main acting component for producing wind pressure and transferring energy, the casing is mainly used for introducing gas and exhausting gas, at the same time, partial kinetic energy of gas is changed into pressure energy, the shaft coupling is used for connecting motor and fan, transferring moment, and the shaft is used for mounting and fixing impeller. The centrifugal ventilator has the characteristics of simple structure, low manufacturing cost, capability of conveying gas with larger flow rate and realizing higher pressure, and is widely applied to various fields such as metallurgy, building materials, heat treatment, food and the like.

Among the prior art, patent document that application number is 202310524418.1, it discloses an explosion-proof centrifugal fan, including impeller, casing and clamp plate, the impeller includes bottom plate, blade and connecting axle, and the connecting axle sets up in bottom plate axle center department, at bottom plate and the last fixedly connected with of connecting axle a plurality of blades that incline backward.

During the use, the centrifugal ventilator can suck a large amount of dust in the use process, so that the dust is attached to the impeller, the weight of each blade is different, the loss of the blade is caused, and the service life is influenced.

Disclosure of utility model

In order to solve the technical problems, the utility model provides an explosion-proof centrifugal ventilator for improving dust filtering effect.

The utility model relates to an explosion-proof centrifugal ventilator, which comprises a support, a shell, an impeller, a driving component, an air inlet and an air delivery pipe, wherein the shell is arranged on the support; the driving assembly is started, the impeller is enabled to rotate rapidly inside the shell, so that external air enters the shell after being filtered by the dust filtering assembly and is discharged outside through the air conveying pipe under the action of centrifugal force, dust is attached to the dust filtering assembly after the dust filtering assembly is used for a long time, and the dust filtering assembly has a cleaning function to perform dust removal operation, so that the service life is prolonged.

Preferably, the driving assembly comprises a motor seat, a motor, a bearing box, a shaft coupling and a rotating shaft, wherein the motor is arranged at the top end of the support through the motor seat, the bearing box is arranged at the top end of the support between the motor and the shell, the output end of the motor is connected with one end of the rotating shaft through the shaft coupling, and the other end of the rotating shaft penetrates through the bearing box and is connected with the impeller; the motor is started, so that the motor drives the rotating shaft to rotate under the cooperation of the coupler and the bearing box, and the rotating shaft enables the impeller inside the shell to rotate rapidly, so that convenience is improved.

Preferably, the dust filtering component comprises a filter frame, a filter screen, a reinforcing plate, a rotating shaft, a transverse plate, bristles and universal wheels, wherein the filter screen is arranged in the filter frame, the reinforcing plate is arranged in the center of the filter screen, the rotating shaft is arranged at the outer end of the reinforcing plate in a rotating mode, the transverse plate is arranged on the rotating shaft, the bristles and the universal wheels are respectively arranged at one end, close to the filter screen, of the transverse plate, and the universal wheels are in sliding contact with the filter frame; install the filter frame at the input of air intake, the filter screen seals the air intake, when the inside fast rotation of casing of impeller, outside air gets into inside the casing after the filter screen filters and discharges outside through the air duct under the effect of impeller centrifugal force, dust adhesion in the air is on the filter screen, use for a long time, influence the circulation of air, the staff pushes down the diaphragm, and make the diaphragm rotate under the cooperation of pivot, thereby make the diaphragm drive the brush hair under the cooperation of universal wheel and rotate, further make the brush hair clean the dust of adhesion on the filter screen.

Preferably, the novel coupling further comprises a U-shaped protective cover, support legs, openings, thread grooves and bolts, wherein the U-shaped protective cover is sleeved on the outer side of the coupling, the support legs are respectively arranged at the bottom ends of the two sides of the U-shaped protective cover, a group of openings are respectively arranged on each group of support legs, the top ends of the support legs are provided with two groups of thread grooves, and the bolts respectively penetrate through the openings and are in threaded connection with the thread grooves; the U-shaped protective cover is sleeved on the outer side of the coupler, two groups of support legs are in contact with the top end of the support, each group of openings are respectively overlapped with one group of thread grooves, then a bolt penetrates through one group of openings and is in threaded connection with the corresponding thread groove, the U-shaped protective cover isolates the surrounding space of the coupler, and workers are prevented from touching the coupler in a wrong mode to cause injury.

Preferably, the filter screen also comprises a rotating handle, and the rotating handle is rotatably arranged at one end of the transverse plate far away from the filter screen; the staff holds the handle to rotate the transverse plate, so that the brush hair cleans dust on the filter screen, and convenience is improved.

Preferably, the filter screen is provided with an anti-rust coating; the rust-proof coating reduces the rust of the filter screen and prolongs the service life of the filter screen.

Preferably, the motor is an explosion-proof motor; the motor adopts the explosion-proof motor, improves the security.

Compared with the prior art, the utility model has the beneficial effects that: the driving assembly is started, the impeller is enabled to rotate rapidly inside the shell, so that external air enters the shell after being filtered by the dust filtering assembly and is discharged outside through the air conveying pipe under the action of centrifugal force, dust is attached to the dust filtering assembly after the dust filtering assembly is used for a long time, and the dust filtering assembly has a cleaning function to perform dust removal operation, so that the service life is prolonged.

Drawings

FIG. 1 is a schematic illustration of an axially measured structure of the present utility model;

FIG. 2 is a schematic diagram of an exploded construction of the present utility model;

FIG. 3 is a partially enlarged schematic view of the structure of the portion A in FIG. 2;

FIG. 4 is an enlarged schematic view of the structure of the filter frame and the filter screen;

FIG. 5 is a partially enlarged schematic view of the structure of the portion B in FIG. 4;

The reference numerals in the drawings: 1. a support; 2. a housing; 3. an air inlet; 4. an air delivery pipe; 5. a motor base; 6. a motor; 7. a bearing housing; 8. a coupling; 9. a filter frame; 10. a filter screen; 11. a reinforcing plate; 12. a rotating shaft; 13. a cross plate; 14. brushing; 15. a universal wheel; 16. u-shaped protective cover; 17. a support leg; 18. an opening; 19. a thread groove; 20. a bolt; 21. a rotating handle; 22. and (3) rotating the shaft.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 1 and 2, the explosion-proof centrifugal ventilator comprises a support 1, a shell 2, an impeller, a driving component, an air inlet 3 and an air delivery pipe 4, wherein the shell 2 is installed on the support 1, the air inlet 3 is arranged at the input end of the shell 2, the air delivery pipe 4 is arranged at the output end of the shell 2, the impeller is arranged inside the shell 2, the driving component is installed at the top end of the support 1 and used for rotating the impeller, and the explosion-proof centrifugal ventilator further comprises a dust filtering component which is installed at the input end of the air inlet 3;

As shown in fig. 1 and 2, the driving assembly comprises a motor base 5, a motor 6, a bearing box 7, a coupler 8 and a rotating shaft 22, wherein the motor 6 is arranged at the top end of the support 1 through the motor base 5, the bearing box 7 is arranged at the top end of the support 1 between the motor 6 and the shell 2, the output end of the motor 6 is connected with one end of the rotating shaft 22 through the coupler 8, and the other end of the rotating shaft 22 passes through the bearing box 7 and is connected with the impeller;

As shown in fig. 1, 4 and 5, the dust filtering component comprises a filter frame 9, a filter screen 10, a reinforcing plate 11, a rotating shaft 12, a transverse plate 13, bristles 14 and universal wheels 15, wherein the filter screen 10 is arranged inside the filter frame 9, the reinforcing plate 11 is arranged at the center of the filter screen 10, the rotating shaft 12 is arranged at the outer end of the reinforcing plate 11 in a rotating mode, the transverse plate 13 is arranged on the rotating shaft 12, the bristles 14 and the universal wheels 15 are respectively arranged at one end, close to the filter screen 10, of the transverse plate 13, and the universal wheels 15 are in sliding contact with the filter frame 9.

In this embodiment, install filter frame 9 at the input of air intake 3, filter screen 10 seals air intake 3, start motor 6, thereby make motor 6 drive axis of rotation 22 rotation under the cooperation of shaft coupling 8 and bearing box 7, axis of rotation 22 makes the inside impeller of casing 2 rotate fast, outside air gets into inside casing 2 after filter screen 10 and passes through the air duct 4 outward under the effect of impeller centrifugal force, dust adhesion in the air is on filter screen 10, long-time use, influence the circulation of air, the staff pushes down diaphragm 13, and make diaphragm 13 rotate under the cooperation of pivot 12, thereby make diaphragm 13 drive brush hair 14 rotate under the cooperation of universal wheel 15, further make brush hair 14 clean the dust of adhesion on filter screen 10.

Example 2

As shown in fig. 1, 4 and 5, the dust filtering component comprises a filter frame 9, a filter screen 10, a reinforcing plate 11, a rotating shaft 12, a transverse plate 13, bristles 14 and universal wheels 15, wherein the filter screen 10 is arranged in the filter frame 9, the reinforcing plate 11 is arranged at the center of the filter screen 10, the rotating shaft 12 is rotatably arranged at the outer end of the reinforcing plate 11, the transverse plate 13 is arranged on the rotating shaft 12, the bristles 14 and the universal wheels 15 are respectively arranged at one end, close to the filter screen 10, of the transverse plate 13, and the universal wheels 15 are in sliding contact with the filter frame 9;

As shown in fig. 2 and 3, the coupling further comprises a U-shaped protective cover 16, supporting legs 17, openings 18, thread grooves 19 and bolts 20, wherein the U-shaped protective cover 16 is sleeved on the outer side of the coupling 8, the supporting legs 17 are respectively arranged at the bottom ends of two sides of the U-shaped protective cover 16, a group of openings 18 are respectively arranged on each group of supporting legs 17, two groups of thread grooves 19 are respectively arranged at the top end of the support 1, and the bolts 20 respectively penetrate through the openings 18 and are in threaded connection with the thread grooves 19;

As shown in fig. 4, the filter screen 10 further comprises a rotating handle 21, and the rotating handle 21 is rotatably arranged at the end of the transverse plate 13 away from the filter screen 10.

In this embodiment, the filter frame 9 is installed at the input end of the air inlet 3, the filter screen 10 seals the air inlet 3, the U-shaped protective cover 16 is sleeved on the outer side of the coupler 8, two groups of support legs 17 are in contact with the top end of the support 1, each group of openings 18 are respectively overlapped with one group of thread grooves 19, then the bolts 20 penetrate through one group of openings 18 and are in threaded connection with the corresponding thread grooves 19, the U-shaped protective cover 16 isolates the surrounding space of the coupler 8, workers are prevented from touching the coupler 8 which rotates rapidly by mistake, the motor 6 is started, so that the motor 6 drives the rotating shaft 22 to rotate under the cooperation of the coupler 8 and the bearing box 7, the rotating shaft 22 enables the impeller inside the shell 2 to rotate rapidly, external air enters the shell 2 after being filtered by the filter screen 10 and is discharged outside through the air delivery pipe 4 under the action of impeller centrifugal force, dust in the air adheres to the filter screen 10, the air is used for a long time, the air circulation performance is influenced, the workers press the transverse plate 13 and rotate under the cooperation of the rotating shaft 12, the transverse plate 13 drives the bristles 14 to rotate under the cooperation of the rotating shaft 12, and the bristles 14 are further cleaned under the cooperation of the universal wheels 15.

The housing 2, impeller, bearing housing 7 and motor 6 of the flameproof centrifugal ventilator of the present utility model are purchased commercially, and those skilled in the art need only install and operate according to their accompanying instructions without the need for creative efforts by those skilled in the art.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides an explosion-proof type centrifugal fan, including support (1), casing (2), impeller, drive assembly, air intake (3) and defeated tuber pipe (4), install casing (2) on support (1), casing (2) input is provided with air intake (3), and casing (2) output is provided with defeated tuber pipe (4), and casing (2) inside is provided with the impeller, and drive assembly installs on support (1) top, and drive assembly is used for the rotation of impeller, its characterized in that still includes dust filtration subassembly, dust filtration subassembly is installed at air intake (3) input.

2. A flameproof centrifugal fan according to claim 1, characterized in that the drive assembly comprises a motor housing (5), a motor (6), a bearing housing (7), a coupling (8) and a rotation shaft (22), the motor (6) is mounted on the top end of the support (1) through the motor housing (5), the bearing housing (7) is mounted on the top end of the support (1) between the motor (6) and the housing (2), the output end of the motor (6) is connected with one end of the rotation shaft (22) through the coupling (8), and the other end of the rotation shaft (22) passes through the bearing housing (7) and is connected with the impeller.

3. The flameproof centrifugal ventilator according to claim 1, characterized in that the dust filtering component comprises a filter frame (9), a filter screen (10), a reinforcing plate (11), a rotating shaft (12), a transverse plate (13), bristles (14) and universal wheels (15), wherein the filter screen (10) is arranged inside the filter frame (9), the reinforcing plate (11) is arranged at the center of the filter screen (10), the rotating shaft (12) is arranged at the outer end of the reinforcing plate (11) in a rotating mode, the transverse plate (13) is arranged on the rotating shaft (12), the bristles (14) and the universal wheels (15) are respectively arranged at one end, close to the filter screen (10), of the transverse plate (13), and the universal wheels (15) are in sliding contact with the filter frame (9).

4. A flameproof centrifugal ventilator according to claim 3, further comprising a U-shaped shield (16), legs (17), openings (18), screw grooves (19) and bolts (20), wherein the U-shaped shield (16) is sleeved outside the coupling (8), the legs (17) are arranged at the bottom ends of the two sides of the U-shaped shield (16), a group of openings (18) are arranged on each group of legs (17), two groups of screw grooves (19) are arranged at the top end of the support (1), and the bolts (20) penetrate through the openings (18) and are connected with the screw grooves (19) in a screw mode.

5. A flameproof centrifugal fan according to claim 3, further comprising a rotary handle (21), wherein the rotary handle (21) is provided at the end of the cross plate (13) remote from the filter screen (10).

6. A flameproof centrifugal fan according to claim 3, characterized in that the filter screen (10) is provided with a rust-proof coating.

7. An explosion-proof centrifugal fan according to claim 2, characterized in that the motor (6) is an explosion-proof motor.