CN218062823U

CN218062823U - Centrifugal fan convenient to inside clearance

Info

Publication number: CN218062823U
Application number: CN202222073182.8U
Authority: CN
Inventors: 张春旭
Original assignee: Shizuishan Huayue New Material Technology Co ltd
Current assignee: Shizuishan Huayue New Material Technology Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-16
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses a centrifugal fan convenient to inside clearance, which comprises an outer shell, the front side of shell is fixed with the apron that can open, and the inboard of shell is provided with the centrifugal fan blade, the rear side fixed mounting of shell has the motor, the fixed connecting axle that is provided with in rear side center of centrifugal fan blade, and the rear end of connecting axle passes the output shaft grafting cooperation of shell with the motor, when clearing up the inboard of shell, then can clear up the inboard of shell through opening the apron, make the inside clearance of centrifugal fan more convenient, can dismantle the centrifugal fan blade solitary clearance of getting off simultaneously, make the inside clearance of centrifugal fan more thorough.

Description

Centrifugal fan convenient to inside clearance

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a centrifugal fan convenient to inside clearance.

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. When the centrifugal fan works, air entering the centrifugal fan often carries a large amount of dust to be accumulated in the centrifugal fan, and regular cleaning is needed.

Chinese patent with patent number CN204419707U discloses a centrifugal fan, and its technical scheme main points are: including casing and the impeller of setting in the casing inside, the clearance mouth that is used for conveniently clearing up the impeller is offered to the casing, the clearance mouth is provided with the closing cap, the casing both sides edge that is close to of clearance mouth is equipped with the spout, the closing cap inlays in the spout, the casing is equipped with the accepting groove that is used for acceping the closing cap, and the accepting groove communicates with each other with the spout, and the closing cap is equipped with the opening part that is used for conveniently opening, the clearance mouth is equipped with the locking piece that is used for locking opening part, the locking piece is articulated with clearance mouth edge.

To the correlation technique among the above-mentioned, the inventor finds that foretell centrifugal fan clears up the fan inboard through the clearance mouth that sets up, and this kind of clearance mode is incomplete and the clearance is inconvenient to the inside clearance of fan.

SUMMERY OF THE UTILITY MODEL

In order to make the inboard clearance of centrifugal fan more thoroughly and clear up more convenient, this application provides a centrifugal fan convenient to inside clearance, adopts following technical scheme:

the utility model provides a centrifugal fan convenient to inside clearance, includes the shell, and the front side of shell is fixed with the apron that can open, and the inboard of shell is provided with the centrifugal fan blade, and the rear side fixed mounting of shell has the motor, and the rear side center of centrifugal fan blade is fixed and is provided with the connecting axle, and the rear end of connecting axle passes the output shaft grafting cooperation of shell and motor.

Through adopting above-mentioned technical scheme, when clearing up the inboard of shell, then can clear up the inboard of shell through opening the apron for the inside clearance of centrifugal fan is more convenient, can dismantle the solitary clearance of clearing up of getting off with centrifugal fan simultaneously, makes the inside clearance of centrifugal fan more thorough.

Preferably, the end part of the connecting shaft is provided with a sleeve hole matched with the output shaft of the motor, and a locking screw is screwed at the position of the connecting shaft corresponding to the sleeve hole.

Through adopting above-mentioned technical scheme, the connecting axle carries out the grafting cooperation through the trepanning with the output shaft of motor to it is fixed to lock through the locking screw.

Preferably, the edge of one end of the motor is provided with a mounting edge, the mounting edge is fixedly connected with the shell through a screw, and the output shaft is provided with a limiting groove.

Through adopting above-mentioned technical scheme, the motor is installed fixedly through the installation limit to realize being connected with the connecting axle transmission through the spacing groove on the output shaft.

Preferably, the air inlet pipe is arranged on the front side of the cover plate, a plurality of locking plates which are uniformly distributed are fixedly arranged on the edge of the cover plate, fixing screws are screwed on the locking plates, and a clamping groove which is tightly clamped with the edge of the front port of the shell is formed in one side of the cover plate.

Through adopting above-mentioned technical scheme, the apron passes through draw-in groove and shell joint to it is fixed to lock through jam plate and set screw.

Preferably, the rear side of the shell is provided with a fixed frame fixedly connected with the mounting edge, and the fixed frame and the shell are fixedly connected through a plurality of connecting plates.

Through adopting above-mentioned technical scheme, fixed frame passes through connecting plate and shell fixed connection to be connected the cooperation through fixed frame and installation limit.

Preferably, the rear side of the shell is also provided with a support sleeve, and the inner side of the support sleeve is provided with a bearing sleeved on the connecting shaft.

Through adopting above-mentioned technical scheme, support cover and bearing rotate the support to the connecting axle.

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

1. the inner side of the shell can be cleaned by opening the cover plate, so that the cleaning of the interior of the centrifugal fan is more convenient, and meanwhile, the centrifugal fan blades can be detached and cleaned independently, so that the cleaning of the interior of the centrifugal fan is more thorough;

2. the connecting shaft is in plug-in fit with an output shaft of the motor through the sleeve hole and is locked and fixed through the locking screw, so that the centrifugal fan blade is more convenient to mount and dismount.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a perspective view of a centrifugal fan for facilitating internal cleaning of the present invention;

fig. 2 is a schematic view of a centrifugal fan blade of a centrifugal fan convenient for internal cleaning, according to the present invention;

fig. 3 is a schematic view of a motor of a centrifugal fan for facilitating internal cleaning according to the present invention;

fig. 4 is a schematic view of a cover plate of a centrifugal fan for facilitating internal cleaning according to the present invention;

fig. 5 is a schematic view of the housing of the centrifugal fan convenient for cleaning the inside of the housing.

In the figure: 1. a housing; 11. a fixing frame; 12. a connecting plate; 13. a support sleeve; 2. a motor; 21. installing edges; 22. a limiting groove; 3. a cover plate; 31. a locking plate; 32. an air inlet pipe; 33. fixing screws; 4. a centrifugal fan blade; 41. a connecting shaft; 42. trepanning; 43. and locking the screw.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. 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.

Embodiment 1, please refer to fig. 1, fig. 2, and fig. 3 specifically, a centrifugal fan convenient for internal cleaning includes a housing 1, an openable cover plate 3 is fixed on a front side of the housing 1, the openable cover plate 3 facilitates cleaning of an inner side of the fan, a centrifugal fan blade 4 is disposed on the inner side of the housing 1, a motor 2 is fixedly mounted on a rear side of the housing 1, a connecting shaft 41 is fixedly disposed at a rear center of the centrifugal fan blade 4, a rear end of the connecting shaft 41 passes through the housing 1 to be in plug-in fit with an output shaft of the motor 2, a sleeve hole 42 matched with an output shaft of the motor 2 is disposed at an end of the connecting shaft 41, a locking screw 43 is screwed at a position where the connecting shaft 41 corresponds to the sleeve hole 42, the connecting shaft 41 is in plug-in fit with the output shaft of the motor 2 through the sleeve hole 42 and is locked and fixed through the locking screw 43, a mounting edge 21 is disposed at an end of the motor 2, the mounting edge 21 is fixedly connected with the housing 1 through a screw, a limiting groove 22 is disposed on the output shaft, and the motor 2 is fixedly mounted and connected with the connecting shaft 41 through the limiting groove 22 on the output shaft in a transmission manner.

Specifically, referring to fig. 4, an air inlet pipe 32 is disposed on the front side of the cover plate 3, a plurality of locking plates 31 are fixedly disposed on the edge of the cover plate 3, the locking plates 31 are screwed with fixing screws 33, a slot clamped with the edge of the front port of the housing 1 is disposed on one side of the cover plate 3, and the cover plate 3 is clamped with the housing 1 through the slot and is locked and fixed by the locking plates 31 and the fixing screws 33.

Specifically, referring to fig. 5, a fixing frame 11 fixedly connected to the mounting edge 21 is disposed at the rear side of the housing 1, the fixing frame 11 is fixedly connected to the housing 1 through a plurality of connecting plates 12, the fixing frame 11 is fixedly connected to the housing 1 through the connecting plates 12 and is connected to and matched with the mounting edge 21 through the fixing frame 11, a supporting sleeve 13 is further disposed at the rear side of the housing 1, a bearing sleeved on the connecting shaft 41 is disposed at the inner side of the supporting sleeve 13, and the supporting sleeve 13 and the bearing rotatably support the connecting shaft 41.

The working principle is that when the centrifugal fan is cleaned, the cover plate 3 can be detached by loosening the fixing screws 33, then the centrifugal fan blades 4 can be detached by screwing and loosening the locking screws 43, then the inner side of the shell 1 can be cleaned, and meanwhile the centrifugal fan blades 4 are cleaned, so that the cleaning of the inner part of the centrifugal fan is completed.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a centrifugal fan convenient to inside clearance, includes shell (1), its characterized in that: the front side of shell (1) is fixed with apron (3) that can open, and the inboard of shell (1) is provided with centrifugal fan blade (4), the rear side fixed mounting of shell (1) has motor (2), the rear side center of centrifugal fan blade (4) is fixed and is provided with connecting axle (41), and the rear end of connecting axle (41) passes shell (1) and the output shaft grafting cooperation of motor (2).

2. The centrifugal fan convenient for internal cleaning according to claim 1, wherein a sleeve hole (42) matched with the output shaft of the motor (2) is formed in the end part of the connecting shaft (41), and a locking screw (43) is screwed in a position of the connecting shaft (41) corresponding to the sleeve hole (42).

3. The centrifugal fan convenient for internal cleaning according to claim 2, wherein a mounting edge (21) is arranged at one end edge of the motor (2), the mounting edge (21) is fixedly connected with the casing (1) through a screw, and a limiting groove (22) is arranged on the output shaft.

4. The centrifugal fan convenient for internal cleaning according to claim 1, wherein an air inlet pipe (32) is arranged at the front side of the cover plate (3), a plurality of evenly distributed locking plates (31) are fixedly arranged at the edge of the cover plate (3), fixing screws (33) are screwed on the locking plates (31), and a clamping groove clamped with the edge of the front port of the shell (1) is arranged at one side of the cover plate (3).

5. The centrifugal fan facilitating internal cleaning according to claim 1, wherein a fixing frame (11) fixedly connected with the mounting edge (21) is provided at the rear side of the casing (1), and the fixing frame (11) and the casing (1) are fixedly connected through a plurality of connecting plates (12).

6. The centrifugal fan convenient for internal cleaning according to claim 5, wherein a support sleeve (13) is further arranged at the rear side of the casing (1), and a bearing sleeved on the connecting shaft (41) is arranged at the inner side of the support sleeve (13).