CN213540761U

CN213540761U - Dustproof centrifugal fan

Info

Publication number: CN213540761U
Application number: CN202021892397.7U
Authority: CN
Inventors: 叶咏怡
Original assignee: Shaoxing Kaixiang Civil Air Defense Equipment Co ltd
Current assignee: Shaoxing Kaixiang Civil Air Defense Equipment Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-06-25
Anticipated expiration: 2030-09-02

Abstract

The utility model relates to the field of centrifugal fans, and discloses a dustproof centrifugal fan, which has the technical scheme that the dustproof centrifugal fan comprises a centrifugal fan shell, supporting legs and a base, dust is blocked outside a dustproof net through the dustproof net, thereby preventing dust from entering the centrifugal fan shell, the second motor drives the rotating plate to rotate so that the brush on the rotating plate can clean the dust screen, the brush can be pushed into the dust collection box body through the first electric push rod, dust in the dust collection box body is sucked into the dust collection box body through the dust collection motor, the dust on the brush can be cleaned, the second pipe is controlled to be connected with the other dust collecting box body by driving the second pipe to rotate through the electric rotating disk, the second electric push rod drives the sliding block to slide in the second sliding groove, so that the dust collecting box body on the first transverse plate can be connected with and disconnected from the second pipeline.

Description

Dustproof centrifugal fan

Technical Field

The utility model relates to a centrifugal fan field, more specifically the utility model relates to a dust protected centrifugal fan that says so.

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. The centrifugal fan accelerates gas by using an impeller rotating at a high speed according to the principle that kinetic energy is converted into potential energy, and then decelerates and changes the flow direction so as to convert the kinetic energy into the potential energy. The electric rotary disk is composed of a motor, a transmission device and a rotary support, wherein the motor drives the transmission device to drive the rotary support to rotate through the transmission device. When the centrifugal fan sucks gas, dust can be brought into the cavity of the centrifugal fan along with the air flow, and the dust screen is arranged to block the dust, but the dust on the dust screen is not processed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a dust protected centrifugal fan for handle the dust on the dust screen.

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

a dustproof centrifugal fan comprises a centrifugal fan shell, two supporting legs and a base, wherein the centrifugal fan shell is fixedly connected with the base through the two supporting legs, the side surface of the centrifugal fan shell is fixedly connected with a first motor, the output shaft of the first motor penetrates into the centrifugal fan shell, the output shaft of the first motor is fixedly connected with an impeller, the top of the centrifugal fan shell is fixedly connected with an air outlet pipe, the opening of the air outlet pipe is vertically upward, the side surface of the centrifugal fan shell is provided with a first through hole, the first through hole is opposite to the impeller, the inner wall of the first through hole is detachably connected with a dustproof net, the side surface of the centrifugal fan shell is fixedly connected with a support, the support is positioned outside the first through hole, the support is fixedly connected with a second motor, and the output shaft of the second motor penetrates into the support, a rotating plate is fixedly connected to an output shaft of the second motor, a first sliding groove is formed in the rotating plate, a first electric push rod is fixedly connected to the first sliding groove, a brush is fixedly connected to an output end of the first electric push rod and is slidably connected to the first sliding groove, the brush is attached to the dust screen, a first rectangular through hole is formed in the bottom of the support, a dust suction box body is arranged at the bottom of the support and is communicated with the first rectangular through hole, a dust suction motor is fixedly connected to the top of the base, a first pipeline is fixedly connected between an air inlet of the dust suction motor and the dust suction box body, an electric rotating disk is arranged on an air outlet of the dust suction motor, two second sliding grooves which are oppositely arranged are formed in the top surface of the base, a second electric push rod is arranged in each second sliding groove, and a sliding block is fixedly connected to an output end of the second electric push rod, and the sliding block slides in the second sliding groove, a first transverse plate is fixedly connected to the sliding block, U-shaped steels are fixedly connected to two opposite sides of the first transverse plate respectively, a dust collection box body is clamped between the two U-shaped steels on the first transverse plate, a second pipeline is arranged between the side face of the dust collection box body and the electric rotating disk, and the second pipeline is communicated with the air outlet of the dust collection motor.

The utility model discloses in, it is preferred, dust collection box body top surface rotates and is connected with the apron, fixedly connected with handle on the apron.

The utility model discloses in, preferred, it is close to go out the tuber pipe fixedly connected with keeps off and flows the board on the lateral wall of impeller, just keep off and flow the vertical setting of board.

The utility model discloses in, it is preferred, go out the tuber pipe side and seted up second rectangle through-hole, go out tuber pipe side fixedly connected with third electric push rod, third electric push rod output end fixedly connected with rectangular block, rectangular block side fixedly connected with second diaphragm, just second diaphragm sliding connection be in the second rectangle through-hole.

The utility model discloses in, preferred, the inside soundproof cotton that is provided with of centrifugal fan casing.

The utility model discloses in, preferably, a plurality of locating hole has been seted up to the base top surface.

The utility model discloses in, it is preferred, the dust screen is the nylon dust screen.

The utility model has the advantages that: the utility model blocks the dust outside the dust screen through the dust screen, thereby preventing the dust from entering the centrifugal fan shell, preventing the dust from entering the inner cavity of the centrifugal fan shell, driving the rotation plate to rotate through the second motor to clean the dust on the rotation plate, when the second motor drives the rotation plate to make the rotation plate located above the dust collection box body, the brush can be pushed into the dust collection box body through the first electric push rod, the dust on the brush can be brought into the dust collection box body, the dust in the dust collection box body is sucked into the dust collection box body through the dust collection motor, the dust on the brush can be cleaned, the second pipeline is controlled to be connected with one of the two dust collection box bodies through the rotation of the electric rotating disk, when one of the two dust collection box bodies is filled with the dust, the pipeline can be automatically adjusted to be connected with the other dust collection box body, the sliding block is driven to slide in the second sliding groove through the second electric push rod, the sliding block drives the first transverse plate to move, so that the dust collecting box body on the first transverse plate can be connected with a second pipeline or detached, and the two pieces of U-shaped steel can clamp the dust collecting box body to play a role in fixed connection.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a perspective view of another perspective of the present invention;

fig. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic view of the utility model taken from A-A of FIG. 3;

FIG. 5 is a schematic view of the utility model taken from the position B-B in FIG. 3;

fig. 6 is a schematic view of the structure of the present invention taken in full section at C-C in fig. 3.

Reference numerals: 1. a centrifugal fan housing; 2. supporting legs; 3. a base; 4. a first motor; 5. an impeller; 6. an air outlet pipe; 7. a first through hole; 8. a dust screen; 9. a support; 10. a second motor; 11. a rotating plate; 12. a first chute; 13. a first electric push rod; 14. a brush; 15. a first rectangular through hole; 16. a dust collection box body; 17. a dust collection motor; 18. a first conduit; 19. an electric rotating disc; 20. a second chute; 21. a second electric push rod; 22. a slider; 23. a first transverse plate; 24. u-shaped steel; 25. a dust collecting box body; 26. a second conduit; 27. a cover plate; 28. a flow baffle plate; 29. a second rectangular through hole; 30. a third electric push rod; 31. a rectangular block; 32. a second transverse plate; 33. sound insulation cotton; 34. positioning holes; 35. a handle.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, the dustproof centrifugal fan of the present embodiment includes a centrifugal fan housing 1, two support legs 2 and a base 3, the centrifugal fan housing 1 is fixedly connected to the base 3 through the two support legs 2, the top surface of the base 3 is provided with a plurality of positioning holes 34, bolts pass through the positioning holes 34 to fixedly connect the base 3 to the ground, the side surface of the centrifugal fan housing 1 is fixedly connected to a first motor 4, an output shaft of the first motor 4 penetrates into the centrifugal fan housing 1, an impeller 5 is fixedly connected to an output shaft of the first motor 4, the top of the centrifugal fan housing 1 is fixedly connected to an air outlet pipe 6, an opening of the air outlet pipe 6 is vertically upward, a flow baffle 28 is fixedly connected to the side wall of the air outlet pipe 6 close to the impeller 5, and the flow baffle 28 is vertically arranged to block backflow gas generated when the impeller 5 works, so as to prevent the backflow of the gas from reentering the centrifugal fan, the side surface of the air outlet pipe 6 is provided with a second rectangular through hole 29, the side surface of the air outlet pipe 6 is fixedly connected with a third electric push rod 30, the output end of the third electric push rod 30 is fixedly connected with a rectangular block 31, the side surface of the rectangular block 31 is fixedly connected with a second transverse plate 32, the second transverse plate 32 is connected in the second rectangular through hole 29 in a sliding manner, when an operator needs to change the air outlet air output quantity of the air outlet, the output end of the third electric push rod 30 drives the rectangular block 31, the rectangular block 31 drives the second transverse plate 32, the second transverse plate 32 slides in the second rectangular through hole 29 so as to change the air outlet air quantity of the air outlet, the side surface of the centrifugal fan shell 1 is provided with a first through hole 7, the first through hole 7 is arranged opposite to the impeller 5, the inner wall of the first through hole 7 is detachably connected with a dust screen 8, the dust screen 8 is a nylon dust screen, the centrifugal fan casing 1 is fixedly connected with a support 9 on the side, the support 9 is positioned outside a first through hole 7, a second motor 10 is fixedly connected on the support 9, an output shaft of the second motor 10 penetrates into the support 9, a rotating plate 11 is fixedly connected on an output shaft of the second motor 10, a first sliding groove 12 is formed in the rotating plate 11, a first electric push rod 13 is fixedly connected on the first sliding groove 12, a brush 14 is fixedly connected at the output end of the first electric push rod 13, the brush 14 is slidably connected in the first sliding groove 12, the brush 14 is attached to a dust screen 8, a first rectangular through hole 15 is formed in the bottom of the support 9, a dust collection box body 16 is arranged at the bottom of the support 9, the dust collection box body 16 is mutually communicated with the first rectangular through hole 15, when dust on the dust screen 8 needs to be treated, the rotating plate 11 is driven by the second motor 10 to rotate so that the brush 14 cleans the dust on the dust screen 8, when the second motor 10 drives the rotating plate 11 to make the rotating plate 11 located above the dust-absorbing box 16, the brush 14 can be pushed into the dust-absorbing box 16 by the first electric push rod 13, the dust on the brush 14 is brought into the dust-absorbing box, the top of the base 3 is fixedly connected with the dust-absorbing motor 17, the first pipeline 18 is fixedly connected between the air inlet of the dust-absorbing motor 17 and the dust-absorbing box 16, the electric rotating disk 19 is arranged on the air outlet of the dust-absorbing motor 17, the top surface of the base 3 is provided with two second sliding grooves 20 which are oppositely arranged, each second sliding groove 20 is provided with a second electric push rod 21, the output end of the second electric push rod 21 is fixedly connected with the sliding block 22, the sliding block 22 slides in the second sliding groove 20, the sliding block 22 is fixedly connected with the first transverse plate 23, the dust in the dust-absorbing box 16 is sucked into the dust-collecting box 25 by the, the second electric push rod 21 drives the slide block 22, the slide block 22 drives the first transverse plate 23 to move, so that the dust collection box body 25 filled with dust is separated from the second pipeline 26, the electric rotary disk 19 drives the second pipeline 26 to rotate, so that the second pipeline 26 is positioned outside the dust collection box body 25 without dust, the second electric push rod 21 drives the slide block 22 to slide in the second rectangular chute 20, the slide block 22 drives the first transverse plate 23 to move, so that the dust collection box body 25 without dust can be connected with the second pipeline 26, at the moment, the replacement of the second pipeline 26 and the connection of the dust collection box body 25 are completed, two opposite sides of the first transverse plate 23 are respectively and fixedly connected with U-shaped steel 24, the dust collection box body 25 is clamped between two U-shaped steel 24 on the same first transverse plate 23, the second pipeline 26 is arranged between the side surface of the dust collection box body 25 and the electric rotary disk 19, and the second pipeline, when the operator needs to dump the dust collecting box body 25, the dust can be dumped by only pulling out the dust collecting box body 25 filled with dust from the two U-shaped blocks and opening the cover plate 27, and the operator places the dust collecting box back into the two U-shaped steel 24 after dumping.

In this embodiment, referring to fig. 2 and 6, a cover plate 27 is rotatably connected to the top surface of the dust collection box body 25, a handle 35 is fixedly connected to the cover plate 27, the cover plate 27 is used for covering the dust collection box body 25 to prevent dust from being exposed to the air, and the handle 35 is used for facilitating the operator to open the cover plate 27.

In the present embodiment, as shown in fig. 5, soundproof cotton 33 is provided inside the centrifugal fan case 1, and the soundproof cotton 33 is used to reduce noise generated when the first motor 4 and the impeller 5 operate.

The working principle is as follows: when the dust on the dust screen 8 needs to be treated, the second motor 10 drives the rotating plate 11 to rotate so as to enable the brush 14 to clean the dust on the dust screen 8, when the second motor 10 drives the rotating plate 11 so as to enable the rotating plate 11 to be positioned above the dust collection box body 16, the dust on the brush 14 is brought into the dust collection box, the first electric push rod 13 can push the brush 14 into the dust collection box body 16, the dust in the dust collection box body 16 is sucked into the dust collection box body 25 through the dust collection motor 17, when one of the dust collection box bodies 25 is full of dust, the second electric push rod 21 drives the slide block 22, the slide block 22 drives the first transverse plate 23 to move, so that the dust collection box body 25 filled with dust is separated from the second pipeline 26, the second pipeline 26 is driven to rotate through the electric rotating disk 19 so as to enable the second pipeline 26 to be positioned outside the dust collection box body 25 without dust, and the slide block 22 is driven to slide in the second, the sliding block 22 drives the first transverse plate 23 to move, so that the dust collection box body 25 without dust can be connected with the second pipeline 26, the second pipeline 26 is replaced and connected with the dust collection box body 25, when an operator needs to dump the dust collection box body 25, the dust collection box body 25 with the dust only needs to be drawn out from the two U-shaped blocks, the cover plate 27 is opened to dump the dust, and the dust collection box is placed back into the two U-shaped steel 24 after the operator dumps.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a dust protected centrifugal fan, includes centrifugal fan casing (1), two supporting legs (2) and base (3), centrifugal fan casing (1) is through two supporting leg (2) with base (3) fixed connection, its characterized in that: the centrifugal fan is characterized in that a first motor (4) is fixedly connected to the side face of the centrifugal fan shell (1), an output shaft of the first motor (4) penetrates into the centrifugal fan shell (1), an impeller (5) is fixedly connected to the output shaft of the first motor (4), an air outlet pipe (6) is fixedly connected to the top of the centrifugal fan shell (1), the opening of the air outlet pipe (6) is vertically upward, a first through hole (7) is formed in the side face of the centrifugal fan shell (1), the first through hole (7) and the impeller (5) are oppositely arranged, a dust screen (8) is detachably connected to the inner wall of the first through hole (7), a support (9) is fixedly connected to the side face of the centrifugal fan shell (1), the support (9) is located on the outer side of the first through hole (7), and a second motor (10) is fixedly connected to the support (9), an output shaft of the second motor (10) penetrates into the support (9), a rotating plate (11) is fixedly connected onto the output shaft of the second motor (10), a first sliding groove (12) is formed in the rotating plate (11), a first electric push rod (13) is fixedly connected onto the first sliding groove (12), a brush (14) is fixedly connected onto the output end of the first electric push rod (13), the brush (14) is slidably connected into the first sliding groove (12), the brush (14) is attached to the dust screen (8), a first rectangular through hole (15) is formed in the bottom of the support (9), a dust collection box body (16) is arranged at the bottom of the support (9), the dust collection box body (16) and the first rectangular through hole (15) are mutually communicated, a dust collection motor (17) is fixedly connected onto the top of the base (3), a first pipeline (18) is fixedly connected between an air inlet of the dust collection motor (17) and the dust collection box body (16), an electric rotating disk (19) is arranged on an air outlet hole of the dust collection motor (17), two second sliding grooves (20) which are oppositely arranged are formed in the top surface of the base (3), a second electric push rod (21) is arranged in each second sliding groove (20), a sliding block (22) is fixedly connected to the output end of each second electric push rod (21), the sliding block (22) slides in the second sliding groove (20), a first transverse plate (23) is fixedly connected to the sliding block (22), two opposite sides of the first transverse plate (23) are respectively fixedly connected with U-shaped steel (24), a dust collecting box body (25) is clamped between the two U-shaped steel (24) on the same transverse plate (23), a second pipeline (26) is arranged between the side surface of the dust collection box body (25) and the electric rotating disc (19), and the second pipeline (26) is communicated with the air outlet hole of the dust collection motor (17).

2. The dustproof centrifugal fan of claim 1, wherein: the top surface of the dust collection box body (25) is rotatably connected with a cover plate (27), and a handle (35) is fixedly connected to the cover plate (27).

3. The dustproof centrifugal fan of claim 1, wherein: the side wall of the air outlet pipe (6) close to the impeller (5) is fixedly connected with a flow baffle plate (28), and the flow baffle plate (28) is vertically arranged.

4. The dustproof centrifugal fan of claim 1, wherein: second rectangle through-hole (29) have been seted up to air-out pipe (6) side, air-out pipe (6) side fixedly connected with third electric push rod (30), third electric push rod (30) output end fixedly connected with rectangular block (31), rectangular block (31) side fixedly connected with second diaphragm (32), just second diaphragm (32) sliding connection be in second rectangle through-hole (29).

5. The dustproof centrifugal fan of claim 1, wherein: soundproof cotton (33) is arranged inside the centrifugal fan shell (1).

6. The dustproof centrifugal fan of claim 1, wherein: the top surface of the base (3) is provided with a plurality of positioning holes (34).

7. The dustproof centrifugal fan of claim 1, wherein: the dust screen (8) is a nylon dust screen.