CN217873407U

CN217873407U - Dust collector fan dustproof structure

Info

Publication number: CN217873407U
Application number: CN202221436859.3U
Authority: CN
Inventors: 唐文彬
Original assignee: Suzhou Kelai Ruibo Motor Co ltd
Current assignee: Suzhou Kelai Ruibo Motor Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-11-22
Anticipated expiration: 2032-06-10

Abstract

The utility model discloses a dust-proof structure of a dust collector fan, which is arranged on a fixed impeller connected with an outer shell, a bearing is arranged between the outer shell and the fixed impeller, the bearing comprises a dust-proof ring, the dust-proof ring is annularly arranged outside the end surface of the fixed impeller, which is close to the outer shell, and the outer end surface of the fixed impeller is divided into an outer ring and an inner ring, and the bearing is positioned in the inner ring; the movable impeller is arranged in the outer shell, and a movable impeller lower plane close to the fixed impeller is formed at the bottom of the movable impeller; the dustproof ring protrudes out of the outer end face of the fixed impeller, is lower than the lower plane of the movable impeller and forms a gap. The utility model discloses a dust catcher fan dustproof construction, through the clearance between the lower plane of dust collar shutoff fixed impeller and movable impeller, isolated water or the passageway that its inside pollutes the bearing of dust entering, very big extension the life of bearing, reduced the potential safety hazard.

Description

Dust collector fan dustproof structure

Technical Field

The utility model relates to a dust catcher fan technical field especially relates to a dust catcher fan dustproof construction.

Background

With the development of economy and the improvement of living standard of people, the dust collector gradually enters thousands of households, and the fan is used as an important component of the dust collector, and the requirements on all aspects of the dust collector are increasingly improved. The main structural components of the fan are an impeller, a shell, an air inlet, a support, a motor, a belt pulley, a coupling, a silencer, a transmission part and the like, and the mechanical energy of rotation is converted into gas pressure energy and kinetic energy through a gas compression and gas conveying machine, and the gas is conveyed out.

When the fan is assembled, a movable impeller and a certain impeller are generally assembled, a bearing is arranged between the movable impeller and the certain impeller to install a rotating shaft, the rotating shaft drives the movable impeller to rotate to form airflow air supply, and due to the structural limitation of the fan, a certain gap needs to be reserved between the movable impeller and the fixed impeller to prevent interference, so that water or dust enters the bearing during air supply, the service life of the bearing is greatly influenced, and certain potential safety hazards are also provided.

Therefore, in combination with the above existing technical problems, there is a need to provide a new technical solution.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dust collector fan dustproof construction that can effectively prevent water and dust pollution bearing, increase of service life.

In order to solve the technical problem, the utility model provides a dust catcher fan dustproof construction, concrete technical scheme is as follows:

a dust-proof structure of a dust collector fan is arranged on a fixed impeller connected with an outer shell, a bearing is arranged between the outer shell and the fixed impeller, the dust-proof structure comprises a dust-proof ring which is annularly arranged on the outer side of the end surface of the fixed impeller close to the outer shell, the outer end surface of the fixed impeller is divided into an outer ring and an inner ring, and the bearing is positioned in the inner ring; the movable impeller is arranged in the outer shell, and a movable impeller lower plane close to the fixed impeller is formed at the bottom of the movable impeller; the dustproof ring protrudes out of the outer end face of the fixed impeller, is lower than the lower plane of the movable impeller and forms a gap.

Preferably, a first groove and a second groove which are annular and surround the dustproof ring are respectively formed in the outer ring and the inner ring, and one side surface of the first groove and one side surface of the second groove are respectively overlapped with two side surfaces of the dustproof ring, so that the protruding effect of the dustproof ring is more obvious.

Preferably, the bottom surfaces of the first groove and the second groove are horizontal or inclined planes relative to the outer end surface of the fixed impeller, and the distance from the top surface of the dust-proof ring to the bottom surfaces of the first groove and the second groove is 01-3 mm.

Preferably, the first groove and the second groove are respectively provided with an outer ring reinforcing rib and an inner ring reinforcing rib, the outer ring reinforcing rib and the inner ring reinforcing rib are uniformly arranged around the center of the fixed impeller in the radial direction, and the upper surfaces of the outer ring reinforcing rib and the inner ring reinforcing rib and the outer end surface of the fixed impeller are located on the same plane.

Preferably, the clearance distance between the dustproof ring and the lower plane of the movable impeller is 0.1-2mm.

Preferably, the periphery of the fixed impeller is further provided with a coaming, one side of the coaming, which is close to the outer shell, is provided with a step, and the outer diameter of the step is matched with the inner diameter of the outer shell so as to facilitate installation.

Preferably, the center of the end surface of the fixed impeller is provided with a through hole so as to be convenient for installing a bearing with a rotating shaft.

The utility model discloses a dust collector fan dustproof construction has following beneficial effect:

the dust-proof structure of the dust collector fan seals the gap between the lower planes of the fixed impeller and the movable impeller through the dust-proof ring, so that water or dust is isolated from entering the channel of the bearing polluted by the water or dust, the service life of the bearing is greatly prolonged, and the potential safety hazard is reduced;

additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a dust-proof structure of a vacuum cleaner fan;

FIG. 2 is a schematic sectional view of the dust-proof structure of the blower fan of the vacuum cleaner shown in FIG. 1;

FIG. 3 is a schematic view of the dust-proof structure of the blower fan of the vacuum cleaner shown in FIG. 1 mounted to the housing;

fig. 4 is an enlarged schematic view of a portion a of fig. 2.

Wherein, 1-fixed impeller; 11-an outer ring; 111-a first recess; 12-an inner ring; 121-a second groove; 13-outer ring reinforcing ribs; 14-inner ring reinforcing ribs; 2-enclosing plates; 3, a dustproof ring; 4-an outer shell; 41-lower plane of movable impeller; 5-bearing.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Examples

Referring to fig. 1 to 4, a dust-proof structure of a vacuum cleaner fan is arranged on a fixed impeller 1 connected with an outer shell 4, a bearing 5 is arranged between the outer shell 4 and the fixed impeller 1, the bearing 5 comprises a dust-proof ring 3 which is annularly arranged on the outer side of the end surface of the fixed impeller 1 close to the outer shell 4 and divides the outer end surface of the fixed impeller 1 into an outer ring 11 and an inner ring 12, and the bearing 5 is arranged in the inner ring 12; the movable impeller is arranged in the outer shell 4, and a movable impeller lower plane 41 close to the fixed impeller 1 is formed at the bottom of the movable impeller; the dustproof ring 3 protrudes out of the outer end face of the fixed impeller 1, and the height of the dustproof ring is lower than that of the movable impeller lower plane 41 to form a gap.

The outer ring 11 and the inner ring 12 are respectively provided with a first groove 111 and a second groove 121 which surround the dust-proof ring 3 in an annular shape, and one side surface of the first groove 111 and one side surface of the second groove 121 are respectively overlapped with two side surfaces of the dust-proof ring 3, so that the protruding effect of the dust-proof ring 3 is more obvious.

The bottom surfaces of the first groove 111 and the second groove 121 are flat surfaces which are horizontal or inclined with respect to the outer end surface of the stator blade, and the distance from the top surface of the dust-proof ring 3 to the bottom surfaces of the first groove and the second groove is 0.1-3mm, preferably 0.5mm.

Outer ring reinforcing ribs 13 and inner ring reinforcing ribs 14 are respectively arranged in the first groove 111 and the second groove 121, the outer ring reinforcing ribs and the inner ring reinforcing ribs are uniformly distributed around the center of the fixed impeller 1 in the radial direction, and the upper surfaces of the outer ring reinforcing ribs and the inner ring reinforcing ribs and the outer end surface of the fixed impeller are located on the same plane.

The clearance distance between the dustproof ring 3 and the lower plane 41 of the movable impeller is 0.1-2mm, and preferably 1mm.

The periphery of the fixed impeller 1 is also provided with a coaming 2, one side of the coaming 2 close to the outer shell 4 is provided with a step, and the outer diameter of the step is matched with the inner diameter of the outer shell 4 so as to facilitate installation.

The center of the end surface of the fixed impeller 1 is provided with a through hole so as to be convenient for installing a bearing 5 with a rotating shaft, and the rotating shaft is arranged in the bearing 5 so as to drive the movable impeller to rotate.

The dust collector fan dustproof structure of this embodiment, its theory of operation lies in, when the installation, decide impeller 1 and assemble through bounding wall 2 and shell body 4, because the rotation that needs pass through movable impeller produces the air current air-out, produce frictional resistance in order to prevent to rotate and interfere and reduce air-out efficiency, movable impeller lower plane need keep certain clearance with deciding impeller terminal surface, and water and dust just permeate in the clearance very easily, and the outer terminal surface of dust ring 3 outstanding fixed impeller, to the clearance shutoff, the possibility that water or dust got into the bearing has been reduced, help improving the life of bearing.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, and alterations to the above embodiments may occur to those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a dust catcher fan dustproof construction, sets up on the stationary vane wheel (1) be connected with shell body (4), installs bearing (5), its characterized in that between shell body (4) and stationary vane wheel (1): the dustproof ring (3) is annularly arranged on the outer side of the end face, close to the outer shell (4), of the fixed impeller (1), the outer end face of the fixed impeller (1) is divided into an outer ring (11) and an inner ring (12), and the bearing (5) is located in the inner ring (12); the movable impeller is arranged in the outer shell (4), and a movable impeller lower plane (41) close to the fixed impeller (1) is formed at the bottom of the movable impeller; the dustproof ring (3) protrudes out of the outer end face of the fixed impeller (1), and the height of the dustproof ring is lower than that of the lower plane (41) of the movable impeller to form a gap.

2. The dust-proof structure of the blower fan of the vacuum cleaner as claimed in claim 1, wherein: a first groove (111) and a second groove (121) which are annular and surround the dustproof ring (3) are respectively formed in the outer ring (11) and the inner ring (12), and one side surface of the first groove (111) and one side surface of the second groove (121) are respectively overlapped with two side surfaces of the dustproof ring (3) so that the protruding effect of the dustproof ring (3) is more obvious.

3. The dust-proof structure of the dust collector blower fan according to claim 2, characterized in that: the bottom surfaces of the first groove (111) and the second groove (121) are horizontal or inclined planes relative to the outer end surface of the fixed impeller, and the distance from the top surface of the dust-proof ring (3) to the bottom surfaces of the first groove and the second groove is 0.1-3mm.

4. The dust-proof structure of the blower fan of the vacuum cleaner as claimed in claim 3, wherein: and outer ring reinforcing ribs (13) and inner ring reinforcing ribs (14) are respectively arranged in the first groove (111) and the second groove (121), the outer ring reinforcing ribs and the inner ring reinforcing ribs are uniformly distributed around the center of the fixed impeller (1) in the radial direction, and the upper surfaces of the outer ring reinforcing ribs and the inner ring reinforcing ribs and the outer end surface of the fixed impeller are positioned on the same plane.

5. The dust-proof structure of the blower fan of the vacuum cleaner as claimed in claim 1, wherein: the clearance distance between the dustproof ring (3) and the lower plane (41) of the movable impeller is 0.1-2mm.

6. The dust-proof structure of the blower fan of the vacuum cleaner as claimed in any one of claims 1 to 5, wherein: decide impeller (1) periphery and still be equipped with bounding wall (2), one side that bounding wall (2) are close to shell body (4) is equipped with the step, and the external diameter of step and the internal diameter of shell body (4) are fit for so that the installation.

7. The dust-proof structure of the dust collector blower fan according to claim 6, characterized in that: the center of the end face of the fixed impeller (1) is provided with a through hole so as to be convenient for installing a bearing (5) with a rotating shaft.