CN217873451U

CN217873451U - Bracket of external rotor centrifugal fan

Info

Publication number: CN217873451U
Application number: CN202220146058.7U
Authority: CN
Inventors: 李文华; 尹祖悦; 章俊萍; 章立燕
Original assignee: Shandong De Blower Co ltd
Current assignee: Shandong De Blower Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-11-22
Anticipated expiration: 2032-01-20

Abstract

The utility model belongs to the technical field of the centrifugal fan technique and specifically relates to just an external rotor centrifugal fan support. The utility model provides an outer rotor centrifugal fan support, includes bottom support and dust removal support, and the bottom support sets up in the fan downside, and fan one side is equipped with the air-supply line, and the air-supply line side is equipped with the air inlet filter screen, and the dust removal support rotates to be connected on the air-supply line, and the dust removal support includes collection dirt part and drive assembly, and collection dirt part is connected with the contact of air-supply filter screen, and drive assembly is used for driving collection dirt part and rotates. Set up the bottom support and support the fan, set up the dust removal support and clear up the air inlet filter screen on to the fan, drive the driving-disc through driving motor and rotate, the dust removal is cleared up to the air inlet filter screen through the inside clearance piece and the outside clearance piece that link firmly on the driving-disc, can effectively get rid of the dust of piling up on the air inlet filter screen, improve the inside intake of fan, improve air inlet efficiency, prevent that the inside dust of piling up of fan, the life of extension equipment.

Description

Bracket of external rotor centrifugal fan

Technical Field

The utility model belongs to the technical field of the centrifugal fan technique and specifically relates to just an external rotor centrifugal fan support.

Background

The centrifugal fan is a machine which can raise gas pressure and discharge gas by means of input mechanical energy, and is a driven fluid machine, and can be extensively used for ventilation, dust-discharging and cooling of factory, mine, tunnel, cooling tower, vehicle, ship and building, ventilation and draught of boiler and industrial furnace, cooling and ventilation of air-conditioning equipment and domestic electric equipment, drying and selective-feeding of grain, charging and propelling of wind tunnel wind source and air cushion ship, etc.

In the use process of the centrifugal fan in the prior art, dust is easily accumulated in the fan, so that the equipment is overheated in the operation process and is easy to damage. Therefore, the outer rotor centrifugal fan bracket is designed to support and remove dust for the centrifugal fan and prevent the inside of the fan from being overheated.

SUMMERY OF THE UTILITY MODEL

For solving the inside dust of piling up easily of above-mentioned fan, lead to the inside overheated problem of fan, the utility model provides an external rotor centrifugal fan support.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an outer rotor centrifugal fan support, includes bottom support and dust removal support, the bottom support sets up in the fan downside, and fan one side is equipped with the air-supply line, the air-supply line side is equipped with the air inlet filter screen, the dust removal support rotates to be connected on the air-supply line, the dust removal support includes collection dirt part and drive assembly, collection dirt part with the contact of air-supply filter screen is connected, drive assembly is used for driving collection dirt part and rotates.

As optimization, drive assembly include driving motor and driving-disc, driving motor sets up in the air-supply line downside, be equipped with drive gear on driving motor's the output shaft, be connected with the bearing between driving-disc inboard and the air-supply line, driving-disc outside a week is equipped with the connecting rack, drive gear and connecting rack meshing are connected.

As optimization, the dust collecting part include dust collection box, outside clearance piece and inside clearance piece, outside clearance piece sets up in the air inlet filter screen outside, inside clearance piece sets up in the air inlet filter screen inboard, inside clearance piece corresponds the setting with the air inlet filter screen, inside clearance piece with the inside cavity that all is equipped with of outside clearance piece, the inside cavity of inside clearance piece, the inside cavity of outside clearance piece with dust collection box through connection.

As an optimization, the internal cleaning block is fixedly connected with the inner side of the driving disc, a fixing frame is arranged on the upper side of the driving disc, a dust collecting pipe is connected between the external cleaning block and the dust collecting box, the external cleaning block is fixedly connected with the fixing frame through the dust collecting pipe, an air inlet is arranged at the lower end of the internal cleaning block, a first negative pressure fan is arranged on the air inlet, and a second negative pressure fan is arranged on the dust collecting pipe.

As an optimization, the width of the upper end of the internal cleaning block is the same as that of the lower end of the external cleaning block, and the maximum width of the cavity inside the external cleaning block is the same as that of the cavity of the internal cleaning block and that of the air inlet filter screen.

Preferably, an air outlet filter screen is arranged on one side, away from the dust collecting pipe, of the dust collecting box and used for air outlet, and the air outlet filter screen is detachably connected with the dust collecting box.

The beneficial effect of this scheme is: an outer rotor centrifugal fan bracket has the following beneficial effects:

set up the bottom support and support the fan, set up the dust removal support and clear up the air inlet filter screen on to the fan, drive the driving-disc through driving motor and rotate, the dust removal is cleared up to the air inlet filter screen through the inside clearance piece and the outside clearance piece that link firmly on the driving-disc, can effectively get rid of the dust of piling up on the air inlet filter screen, improve the inside intake of fan, improve air inlet efficiency, prevent that the inside dust of piling up of fan, the life of extension equipment.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Figure 2 is the bottom isometric view of the present invention.

Fig. 3 is a schematic view of the present invention.

Fig. 4 isbase:Sub>A schematic diagram ofbase:Sub>A-base:Sub>A sectioning structure of fig. 3 of the present invention.

Fig. 5 is a left side view of the present invention.

Fig. 6 is a schematic view of the sectioning structure of the utility model shown in fig. 5B-B.

The dust collection device comprises a base support 1, a bottom support 2, a dust collection support 3, a fan 4, an air inlet pipe 5, an air inlet filter screen 6, a driving motor 7, a driving disc 8, a driving gear 9, a bearing 10, a connecting rack 11, a dust collection box 12, an external cleaning block 13, an internal cleaning block 14, a cavity 15, a fixing frame 16, a dust collection pipe 17, a first negative pressure fan 18, a second negative pressure fan 19 and an air outlet filter screen.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are usually placed when used, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element indicated must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, an outer rotor centrifugal fan support, including bottom support 1 and dust removal support 2, bottom support 1 sets up in fan 3 downside, and fan 3 one side is equipped with air-supply line 4, the air-supply line 4 side is equipped with air inlet filter screen 5, dust removal support 2 rotates to be connected on air-supply line 4, dust removal support 2 includes collection dirt part and drive assembly, collection dirt part with air inlet filter screen 5 contacts and connects, drive assembly is used for driving the partial rotation of collection dirt.

As shown in fig. 1 and 4, the driving assembly comprises a driving motor 6 and a driving disk 7, the driving motor 6 is arranged on the lower side of the air inlet pipe 4, a driving gear 8 is arranged on an output shaft of the driving motor 6, a bearing 9 is connected between the inner side of the driving disk 7 and the air inlet pipe 4, a connecting rack 10 is arranged on the periphery of the outer side of the driving disk 7, and the driving gear 8 is meshed with the connecting rack 10.

As shown in fig. 2 and 6, the dust collecting part comprises a dust collecting box 11, an external cleaning block 12 and an internal cleaning block 13, the external cleaning block 12 is arranged outside the air intake filter screen 5, the internal cleaning block 13 is arranged inside the air intake filter screen 5, the internal cleaning block 13 is arranged corresponding to the air intake filter screen 5, cavities 14 are arranged inside the internal cleaning block 13 and the external cleaning block 12, and the cavity 14 inside the internal cleaning block 13 and the cavity 14 inside the external cleaning block 12 are communicated with the dust collecting box 11.

As shown in fig. 4 to 6, the internal cleaning block 13 is fixedly connected with the inner side of the driving disc 7, a fixing frame 15 is arranged on the upper side of the driving disc 7, a dust collecting pipe 16 is connected between the external cleaning block 12 and the dust collecting box 11, the external cleaning block 12 is fixedly connected with the fixing frame 15 through the dust collecting pipe 16, an air inlet is arranged at the lower end of the internal cleaning block 13, a first negative pressure fan 17 is arranged on the air inlet, and a second negative pressure fan 18 is arranged on the dust collecting pipe 16.

As shown in fig. 4 and 6, the width of the upper end of the inner cleaning block 13 is the same as the width of the lower end of the outer cleaning block 12, and the maximum width of the cavity 14 inside the outer cleaning block 12 is the same as the maximum width of the cavity 14 of the inner cleaning block 13 as the width of the intake air screen 5.

As shown in fig. 3 and 4, an air outlet filter screen 19 is disposed on a side of the dust collecting box 11 away from the dust collecting pipe 16, the air outlet filter screen 19 is used for discharging air, and the air outlet filter screen 19 is detachably connected to the dust collecting box 11.

When the device is used specifically, the fan 3 is supported by the bottom bracket 1, and the air inlet filter screen 5 of the fan 3 is cleaned by the dust removal bracket 2;

the driving disc 7 is driven to rotate by the driving motor 6, the driving disc 7 drives the inner cleaning block 13 and the outer cleaning block 12 to rotate, and the outer cleaning block 12 and the inner cleaning block 13 are arranged oppositely to scrape two sides of the air inlet filter screen 5;

the scraped dust is sucked by the first negative pressure fan 17 and the second negative pressure fan 18, so that the dust enters the dust collection box 11 through the cavities in the inner cleaning block 13 and the outer cleaning block 12 and the dust collection pipe 16;

the air outlet filter screen 19 can be detached to clean the dust in the dust collecting box 11.

The above embodiments are only specific ones of the present invention, and the protection scope of the present invention includes but is not limited to the product form and style of the above embodiments, and any suitable changes or modifications made to the external rotor centrifugal fan bracket and any person of ordinary skill in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides an outer rotor centrifugal fan support which characterized in that: including bottom support and dust removal support, the bottom support sets up in the fan downside, and fan one side is equipped with the air-supply line, the air-supply line side is equipped with the air inlet filter screen, the dust removal support rotates and connects on the air-supply line, the dust removal support includes collection dirt part and drive assembly, collection dirt part with the contact of air inlet filter screen is connected, drive assembly is used for driving collection dirt part and rotates.

2. An outer rotor centrifugal fan support according to claim 1, wherein: the driving assembly comprises a driving motor and a driving disc, the driving motor is arranged on the lower side of the air inlet pipe, a driving gear is arranged on an output shaft of the driving motor, a bearing is connected between the inner side of the driving disc and the air inlet pipe, a connecting rack is arranged on the periphery of the outer side of the driving disc, and the driving gear is meshed with the connecting rack.

3. An outer rotor centrifugal fan support according to claim 2, wherein: the dust collecting part comprises a dust collecting box, an external cleaning block and an internal cleaning block, the external cleaning block is arranged outside the air inlet filter screen, the internal cleaning block is arranged inside the air inlet filter screen, the internal cleaning block corresponds to the air inlet filter screen, the internal cleaning block and the external cleaning block are internally provided with cavities, and the cavities inside the internal cleaning block, the cavities inside the external cleaning block and the dust collecting box are communicated and connected.

4. An outer rotor centrifugal fan support according to claim 3, wherein: the inside clearance piece with the driving-disc inboard link firmly, the driving-disc upside is equipped with the mount, be connected with the dust collecting tube between outside clearance piece and the dust collection box, outside clearance piece passes through the dust collecting tube and links firmly with the mount, inside clearance piece lower extreme is equipped with the air intake, be equipped with first negative-pressure air fan on the air intake, be equipped with the second negative-pressure air fan on the dust collecting tube.

5. An outer rotor centrifugal fan support according to claim 4, wherein: inside clearance piece upper end width with outside clearance piece lower extreme width is the same, the inside cavity maximum width of outside clearance piece is the same with the air inlet filter screen width with the cavity maximum width of inside clearance piece.

6. An outer rotor centrifugal fan support according to claim 5, wherein: an air outlet filter screen is arranged on one side, away from the dust collecting pipe, of the dust collecting box and used for air outlet, and the air outlet filter screen is detachably connected with the dust collecting box.