CN215333641U

CN215333641U - Combined centrifugal fan shell

Info

Publication number: CN215333641U
Application number: CN202121562593.2U
Authority: CN
Inventors: 周鹏; 周湘宁; 范振兴
Original assignee: Guangdong Yuexin Technology Co ltd
Current assignee: Guangdong Yuexin Technology Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-12-28
Anticipated expiration: 2031-07-09

Abstract

The utility model provides a combined centrifugal fan shell, which relates to the technical field of centrifugal fans and comprises a fan cover body, an air pipe is communicated with one side of the fan cover body close to the edge of the rear surface, a support ring is fixed between the inner walls of the air pipes close to one side of the interior of the fan cover body, a filter box is connected between the inner walls of the air pipes in a sliding way, one side of each air pipe is provided with a clamping groove, a flange is fixed on the outer surface of the filter box near one side edge, a plurality of filter holes are equidistantly arranged on the inner bottom surface of the filter box, the top of the filter box is provided with three side openings at equal intervals, and the three side openings penetrate through the interior of the filter box, through filtering the sponge at tuber pipe internally mounted for get into the inside air of centrifugal fan and filter earlier, solved traditional centrifugal fan shell and not had filter equipment, long-time operation makes impurity such as dust adhere and causes the problem that centrifugal fan wind-force descends on centrifugal fan's blade.

Description

Combined centrifugal fan shell

Technical Field

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

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. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.

When the centrifugal fan in the prior art is used, the shell of the centrifugal fan is not provided with the filtering device, so that when the centrifugal fan pumps internal air, pollutants such as dust in the air and the like fall on the fan blades of the centrifugal fan, the wind power of the centrifugal fan is reduced, and inconvenience is brought to people in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to filter air entering the centrifugal fan firstly by installing the filter sponge in the air pipe, and solve the problem that the wind power of the centrifugal fan is reduced because impurities such as dust are adhered to blades of the centrifugal fan due to long-time operation because a traditional centrifugal fan shell is not provided with a filter device.

In order to achieve the purpose, the utility model adopts the following technical scheme: a combined centrifugal fan shell comprises a fan housing body, wherein an air pipe is communicated with one side of the fan housing body close to the edge of the rear surface, a support ring is fixed on one side of the inner wall of the air pipe close to the fan housing body, a filter box is connected between the inner walls of the air pipe in a sliding manner, a clamping groove is formed in one side of the air pipe, a flange is fixed on the outer surface of the filter box close to one edge, a plurality of filter holes are formed in the inner bottom surface of the filter box at equal intervals, three side openings are formed in the top of the filter box at equal intervals and penetrate through the inside of the filter box, the outer surface walls of four sides of the filter box are sleeved and attached to the inner walls of four sides of the flange, the outer surface of one side of the filter box is flush with the outer surface of one side of the flange, a cover plate is rotatably connected to the edge of one side of the top of the air pipe close to one side through a hinge, and a concave handle is arranged on the top of the cover plate close to one edge, the top welding of fan housing body has solid fixed ring.

Preferably, flange sliding connection is in the inside of draw-in groove, one side surface of flange flushes with one side surface of tuber pipe mutually, a plurality of butt joint holes have been seted up along the circumferencial direction equidistance in solid fixed ring's top.

Preferably, the filter sponge is connected to the inside of the filter box in a sliding manner, a connecting plate is fixed to the outer surface of the air pipe close to one side edge, and a fixing block is welded to the center of the inner bottom of the fan housing body.

Preferably, one side laminating of connecting plate has the butt plate, one side of butt plate is fixed with the connecting pipe, spacing hole has been seted up at the top of fixed block.

Preferably, two fixing holes are formed in the front surface of the connecting plate close to the edges of the two sides and in the outer surface of one side of the butt joint plate close to the edges of the two sides.

Preferably, the outer surface of one side of connecting plate is close to top and bottom edge and the opposite side surface of butt joint plate is close to top and bottom edge and has all seted up the fixed slot.

Preferably, the inner wall of connecting pipe is close to top and bottom edge and all is fixed with the compact heap, a plurality of vents have been seted up along the circumferencial direction equidistance to the bottom of fan housing body.

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

1. when the fan cover is used, firstly, blades of a fan are arranged inside the fan cover body, then the fan cover body and the fan are fixed through butt joint holes in the fixing rings, then the filter sponge is connected inside the filter box in a sliding mode, then the filter box is connected inside the air pipe in a sliding mode, the outer surface of one side of the filter box is attached to the outer surface of one side of the supporting ring inside the air pipe, a blocking edge, close to one side edge of the outer surface of the filter box, is fixed in a clamping groove in one side of the air pipe in a clamping mode, then the butt joint plate and the connecting pipe are fixed together through bolts and the connecting plate, the filter sponge is compressed through the compressing block, and then the fixing groove in the connecting plate is clamped with the fixing groove in the butt joint plate through the clamping buckle, so that butt joint can be completed.

2. According to the fan housing, the fixing block is welded inside the fan housing body, the limiting hole is formed in the top of the fixing block, the rotating shaft is sleeved inside the limiting hole when the fan is installed inside the fan housing body, the phenomenon that the rotating shaft is bent due to long-time rotation of the fan blades is prevented, three side openings are formed in the top of the filter box at equal intervals, when the filter box is taken out from the inside of the air pipe, the filter sponge inside the filter box can be conveniently taken out, the filter sponge can be conveniently replaced by people, the cover plate is arranged at the top of the air pipe, and the air pipe can be conveniently cleaned when the air pipe is blocked.

Drawings

FIG. 1 is a schematic perspective view of a combined centrifugal fan housing according to the present invention;

FIG. 2 is a schematic side perspective view of a combined centrifugal fan housing according to the present invention;

FIG. 3 is a schematic view of a perspective structure of the other side of the combined centrifugal fan casing according to the present invention;

fig. 4 is a schematic top perspective view of a combined centrifugal fan casing according to the present invention.

Illustration of the drawings: 1. a fan housing body; 2. an air duct; 3. a connecting plate; 4. a filter cartridge; 5. filtering the sponge; 6. a connecting pipe; 7. a butt plate; 8. blocking edges; 9. a side port; 10. a card slot; 11. a fixing ring; 12. a butt joint hole; 13. a vent; 14. a cover plate; 15. a concave handle; 16. a fixing hole; 17. a fixed block; 18. a limiting hole; 19. filtering holes; 20. a compression block; 21. fixing grooves; 22. and (3) supporting the ring.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 4, the present invention provides a technical solution of a combined centrifugal fan casing: comprises a fan housing body 1, an air pipe 2 is communicated with one side of the fan housing body 1 close to the edge of the rear surface, a support ring 22 is fixed on one side of the inner part of the fan housing body 1 between the inner walls of the air pipe 2, a filter box 4 is connected between the inner walls of the air pipe 2 in a sliding way, a clamping groove 10 is arranged on one side of the air pipe 2, a flange 8 is fixed on the outer surface of the filter box 4 close to one edge, a plurality of filter holes 19 are equidistantly arranged on the inner bottom surface of the filter box 4, three side ports 9 are equidistantly arranged on the top of the filter box 4, the three side ports 9 penetrate through the inner part of the filter box 4, the outer surfaces of four sides of the filter box 4 are sleeved and attached to the inner walls of four sides of the flange 8, one outer surface of one side of the filter box 4 is flush with the outer surface of one side of the flange 8, the top of the air pipe 2 close to one edge is rotatably connected with a cover plate 14 through a hinge, a concave handle 15 is arranged on the top of the cover plate 14 close to one edge, the top of the fan housing body 1 is welded with a fixing ring 11.

The whole embodiment 1 achieves the effect that, when in use, firstly, the blade of the fan is arranged inside the fan housing body 1, then the fan housing body 1 is fixed with the fan through the butt joint hole 12 on the fixing ring 11, then the filtering sponge 5 is connected inside the filtering box 4 in a sliding manner, then the filtering box 4 is connected inside the air pipe 2 in a sliding manner, so that the outer surface of one side of the filtering box 4 is attached to the outer surface of one side of the supporting ring 22 inside the air pipe 2, the flange 8 fixed on the outer surface of the filtering box 4 close to one side edge is clamped in the clamping groove 10 on one side of the air pipe 2, then the butt joint plate 7 and the connecting pipe 6 are fixed together with the connecting plate 3 through bolts, so that the filtering sponge 5 is pressed by the pressing block 20, then the fixing groove 21 on the connecting plate 3 is clamped with the fixing groove 21 on the butt joint plate 7 through the clamp, the butt joint can be completed, and the problem that the traditional centrifugal fan shell has no filtering device is solved, the long-time operation causes the impurities such as dust to adhere to the blades of the centrifugal fan, thus causing the wind power of the centrifugal fan to be reduced.

Embodiment 2, as shown in fig. 1-4, a flange 8 is slidably connected inside a slot 10, an outer surface of one side of the flange 8 is flush with an outer surface of one side of an air duct 2, a plurality of butt holes 12 are equidistantly formed at the top of a fixing ring 11 along a circumferential direction, a filter sponge 5 is slidably connected inside a filter cartridge 4, a connecting plate 3 is fixed at an edge of the outer surface of the air duct 2 near one side, a fixing block 17 is welded at the center of the inner bottom surface of a fan housing body 1, a butt plate 7 is attached to one side of the connecting plate 3, a connecting pipe 6 is fixed at one side of the butt plate 7, a limiting hole 18 is formed at the top of the fixing block 17, two fixing holes 16 are formed at the front surface of the connecting plate 3 near the edges of the two sides and at the outer surface of one side of the butt plate 7 near the edges of the two sides, fixing grooves 21 are formed at the outer surfaces of one side of the connecting plate 3 near the top and the bottom edge and the outer surface of the other side of the butt plate 7 near the top and the bottom edge, the inner wall of the connecting pipe 6 is fixed with a compact heap 20 near the top and bottom edges, and a plurality of ventilation openings 13 are arranged at the bottom of the fan housing body 1 along the circumference direction at equal intervals.

The effect that its whole embodiment 2 reaches does, inside welded fastening block 17 at fan housing body 1, and set up spacing hole 18 at the top of fixed block 17, make the fan registrate the pivot in the inside of spacing hole 18 when installing the inside at fan housing body 1, prevent that the long-time rotation of fan blade from making the crooked occurence of failure of pivot, set up three side mouth 9 at the top equidistance of filter cartridge 4, make people take out filter cartridge 4 from 2 insides of tuber pipe when taking out, conveniently take out filter cartridge 4 inside filter sponge 5, make things convenient for people to change filter sponge 5, set up apron 14 at the top of tuber pipe 2, when convenient 2 blockings up in tuber pipe, clear up tuber pipe 2.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes by using the technical contents disclosed in the above description to other fields, but any simple modification, equivalent change and change made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a modular centrifugal fan shell, includes fan housing body (1), its characterized in that: the fan cover comprises a fan cover body (1), wherein an air pipe (2) is communicated with one side of the fan cover body (1) close to the edge of the rear surface, a supporting ring (22) is fixed on one side of the inner part of the fan cover body (1) close to the inner wall of the air pipe (2), a filter box (4) is connected between the inner walls of the air pipe (2) in a sliding manner, a clamping groove (10) is formed in one side of the air pipe (2), a flange (8) is fixed on the outer surface of the filter box (4) close to one side edge, a plurality of filter holes (19) are formed in the bottom surface of the inner part of the filter box (4) at equal intervals, three side ports (9) are formed in the top of the filter box (4) at equal intervals, the three side ports (9) penetrate through the inner part of the filter box (4), the outer surface walls of four sides of the filter box (4) are sleeved with the inner walls of the four sides of the flange (8), the outer surface of one side of the filter box (4) is flush with the outer surface of one side of the flange (8), the top of tuber pipe (2) is close to one side edge and rotates through the hinge and be connected with apron (14), concave handle (15) have been seted up near one side edge in the top of apron (14), the top welding of fan housing body (1) has solid fixed ring (11).

2. The combined centrifugal fan housing of claim 1, wherein: flange (8) sliding connection is in the inside of draw-in groove (10), one side surface of flange (8) flushes with one side surface of tuber pipe (2) mutually, a plurality of butt joint holes (12) have been seted up along the circumferencial direction equidistance to the top of solid fixed ring (11).

3. The combined centrifugal fan housing of claim 2, wherein: the inside sliding connection of filter cartridge (4) has filtering sponge (5), the surface of tuber pipe (2) is close to one side edge and is fixed with connecting plate (3), the welding of the inside bottom surface center department of fan housing body (1) has fixed block (17).

4. A combined centrifugal fan casing according to claim 3, wherein: one side laminating of connecting plate (3) has butt plate (7), one side of butt plate (7) is fixed with connecting pipe (6), spacing hole (18) have been seted up at the top of fixed block (17).

5. The combined centrifugal fan housing of claim 4, wherein: two fixing holes (16) are formed in the front surface of the connecting plate (3) close to the edges of the two sides and in the outer surface of one side of the butt joint plate (7) close to the edges of the two sides.

6. The combined centrifugal fan housing of claim 5, wherein: and the outer surface of one side of the connecting plate (3) is close to the top and the bottom edge and the outer surface of the other side of the butt joint plate (7) is close to the top and the bottom edge, and fixing grooves (21) are formed.

7. The combined centrifugal fan housing of claim 6, wherein: the inner wall of connecting pipe (6) is close to top and bottom edge and all is fixed with compact heap (20), a plurality of vents (13) have been seted up along the circumferencial direction equidistance to the bottom of fan housing body (1).