CN211187049U

CN211187049U - Dust separator of dust collector

Info

Publication number: CN211187049U
Application number: CN201921493650.9U
Authority: CN
Inventors: 胡海荣
Original assignee: Ningbo Zhekai Electrical Appliance Co ltd
Current assignee: Ningbo Zhekai Electrical Appliance Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-08-07
Anticipated expiration: 2029-09-06

Abstract

A dust separator of a dust collector comprises a shell and a cyclone separation component arranged in the shell, wherein a dust air inlet is formed in the shell, the cyclone separation component comprises a cyclone separator and a filter barrel, a primary dust collection cavity is formed between the inner wall of the shell and the outer wall of the cyclone separation component, the upper portion of the cyclone separator is a cyclone barrel, a secondary air inlet is formed in the side face of the upper portion of the cyclone barrel, the filter barrel covers the cyclone barrel, a diameter-expanding circular cover corresponding to the upper opening of the shell is arranged at the upper end of the filter barrel, a secondary blocking rib serving as a central air outlet barrel is formed in the middle of the circular cover in a downward forming mode, the secondary blocking rib is inserted into the cyclone barrel, the lowest face of the secondary air inlet is not lower than the highest face of filter meshes of the filter barrel, and the lowest face of the secondary air inlet is. The utility model has the advantages of simple and reasonable structure, spare part is less, and not only dirt gas separation effect is better, and the loss is lower, and simple to operate, cost are lower simultaneously.

Description

Dust separator of dust collector

Technical Field

The utility model belongs to the technical field of the dust catcher, concretely relates to dust separator of dust catcher.

Background

At present, a dust collector is frequently used in daily life, and the existing dust collector mainly comprises a shell, a motor, a fan impeller, a suction nozzle and a dust separator. The air-dust separating device comprises a shell, a suction nozzle, a filter, a motor, a fan impeller, a dust separator and a fan, wherein a through hole is formed in one side face of the shell and connected with the suction nozzle, the filter is arranged inside the suction nozzle, the motor and the fan impeller are arranged inside the shell of the mechanism, the fan impeller sucks air flow under the high-speed driving of the motor, and the air and dust are separated through the dust separator. The position design of a secondary air inlet, a filter mesh and a secondary baffle rib in the dust separator is very important, and if the design is unreasonable, the dust separation is often not thorough enough, and the assembly difficulty is also caused.

It has been found that chinese patent application No. CN201821411924.0 discloses a filter assembly for arrangement in a vacuum cleaner, the filter assembly comprising: the filtering net cover is cylindrical and is longitudinally arranged; the cyclone separator is coaxially arranged in the filter screen cover; the air guide unit is of a funnel-shaped structure, is coaxially arranged at the upper end of the cyclone separator, and has a tubular part with an opening extending downwards into the cyclone separator; the HEPA filter layer is arranged at the upper end of the air guide unit, and the thickness of the HEPA filter layer is 15-20 mm; and the dust guide unit is horn-shaped, the dust guide unit is coaxially arranged at the lower end of the filter screen cover, and the wide-mouth end of the dust guide unit faces upwards and is connected with the lower end of the filter screen cover. Its weak point, spare part is more, and the second grade air intake is higher than keeping off the muscle height, can cause the dust that keeps off the muscle below can not be because of being kept off the muscle buffering, have partial dust come too late the separation just directly to be siphoned away by the inlet scoop, lead to filtration efficiency to descend, and the structure can further improve.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a dust separator of a dust collector with reasonable structural design and good dust-air separation effect aiming at the technical current situation.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a dust separator of dust catcher, includes the casing and sets up the cyclone assembly in the casing, be equipped with the dust wind import on the casing, cyclone assembly includes cyclone and filter vat, forms one-level dust collection chamber, its characterized in that between the inner wall of casing and cyclone assembly's the outer wall: the upper part of the cyclone separator is a cyclone cylinder, the side surface of the upper part of the cyclone cylinder is provided with a secondary air inlet, the filter barrel covers the cyclone cylinder, the upper end of the filter barrel is provided with an expanded circular cover corresponding to the upper opening of the shell, the middle part of the circular cover is downwards formed with a secondary blocking rib serving as a central air outlet cylinder, the secondary blocking rib is inserted into the cyclone cylinder, the lowest surface of the secondary air inlet is not lower than the highest surface of the filter mesh of the filter barrel, and the lowest surface of the secondary air inlet is not lower than the lowest surface of the secondary blocking rib.

The cyclone separator is characterized in that a straight barrel is arranged at the lower part of the cyclone separator, the straight barrel is fixed with the bottom surface of the shell, the cyclone barrel is of a cylindrical structure with a conical bottom, the conical lower end of the cyclone barrel is inserted into the straight barrel, the upper end of the straight barrel is connected with the conical outer wall, three to six secondary air inlets are respectively and uniformly arranged on the side surface of the upper part of the cylindrical structure of the cyclone barrel at intervals, and arc-shaped air deflectors are arranged on the side part of the cylindrical structure corresponding to the secondary air inlets.

Further, a baffle plate is formed at the conical lower end of the cyclone cylinder, an air guide cone is arranged in the center of the baffle plate, a vent hole is formed at one side of the baffle plate, a secondary dust collecting cavity is formed between the inner wall of the straight cylinder and the bottom of the baffle plate and the shell,

the cyclone separator is characterized in that the filter barrel is a circular cover with an opening at the lower end, filter meshes are distributed at the lower part of the circumferential surface of the filter barrel, a circular baffle is formed by extending the bottom of the cylindrical structure of the cyclone barrel outwards, the filter barrel is sleeved outside the cyclone barrel of the cyclone separator and abuts against the circular baffle, and an annular first-stage skirt edge which inclines downwards is integrally formed at the outer edge of the circular baffle.

Further, the second grade keeps off the muscle for the upper end bore is big, and the funnel-shaped structure that the lower extreme bore is little, and the second grade keeps off the muscle and filter vat is integrated into one piece.

Furthermore, the upper end shaping of circular lid has the circular recess that supplies the filter pulp to inlay, and the filter pulp setting is in circular recess, set up the top at central play dryer.

Further, the casing is cylindric, and the dust wind import sets up on the upper portion right side of casing, and the sealed lid in upper end of casing is equipped with the upper cover, and the air outlet has been seted up on the left side of upper cover.

And finally, the bottom opening of the shell is detachably provided with a bottom cover in an involution manner, the upper end surface of the bottom cover is provided with a circular positioning groove for positioning the lower straight barrel of the cyclone separator, and a sealing ring which is sealed by abutting against the lower end of the straight barrel is embedded in the circular positioning groove.

Compared with the prior art, the utility model has the advantages of: the lowest surface of the secondary air inlet is not lower than the highest surface of the filter mesh of the filter barrel, and the lowest surface of the secondary air inlet is not lower than the lowest surface of the secondary blocking rib, so that the entering dust wind enters the cyclone separator through the filter barrel, the dust falls into the primary dust collecting cavity, the air is separated in the cyclone separator through the separation barrel, the air is filtered and discharged from the air outlet, and the dust falls into the secondary dust collecting cavity, so that the separation efficiency is improved; the second-level baffle rib and the filter barrel are integrally formed, and the cyclone separator and the first-level skirt are integrally formed, so that parts are reduced, and the cost is saved. The utility model has the advantages of simple and reasonable structure, spare part is less, and not only dirt gas separation effect is better, and the loss is lower, and simple to operate, cost are lower simultaneously.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present invention;

FIG. 2 is a sectional view of the cyclone assembly;

FIG. 3 is a perspective view of the cyclone separator;

FIG. 4 is a schematic structural view of the filter vat;

FIG. 5 is an exploded view of FIG. 2;

figure 6 is an exploded perspective view of the cyclonic separation assembly.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 6, a dust separator of a vacuum cleaner comprises a housing 1 and a cyclone separation assembly 100 arranged in the housing 1, wherein the housing 1 is cylindrical, an upper cover 5 is arranged at the upper end of the housing 1 in a sealing manner, an air outlet 40 is formed in the left side of the upper cover 5, the bottom of the housing 1 is open, a bottom cover 4 is detachably arranged at the bottom opening of the housing 1 in an involution manner, a dust inlet 30 is formed in the right side of the upper portion of the housing 1, the cyclone separation assembly 100 comprises a cyclone separator 2 and a filter barrel 3, and a primary dust collection chamber 10 is formed between the inner wall of the housing 1 and the outer wall of the cyclone separation assembly 100. The lower part of the cyclone separator 2 is a straight barrel 21, the upper end face of the bottom cover 4 is provided with a circular positioning groove for positioning the straight barrel 21, a sealing ring which is sealed against the lower end of the straight barrel 21 is embedded in the circular positioning groove, the straight barrel 21 is inserted in the circular positioning groove and fixed, the upper part of the cyclone separator 2 is a cyclone barrel 22, the cyclone barrel 22 is of a cylinder structure with a conical bottom, the conical lower end is inserted into the straight barrel 21, the upper end of the straight barrel 21 is smoothly connected with the conical outer wall, the side face of the upper part of the cylinder structure of the cyclone barrel 22 is circumferentially and uniformly provided with 4 secondary air inlets 221 at intervals, the side part of the cylinder structure corresponding to the secondary air inlets 221 is provided with an arc-shaped air deflector 222, the conical lower end of the cyclone barrel 22 is formed with a baffle plate 25 with a middle part which is upwards concave, the center of the baffle plate 25 is provided with an air guide cone 251, A secondary dust collecting chamber 20 is formed between the bottom covers 4 of the housing 1. The filter barrel 3 is a circular cover with an opening at the lower end, filter meshes 31 are distributed at the lower part of the circumferential surface of the filter barrel 3, a circular baffle 23 extends outwards from the bottom of the cylindrical structure of the cyclone barrel 22, the filter barrel 3 is sleeved outside the cyclone barrel 22 of the cyclone separator 2 and abuts against the circular baffle 23, a downward inclined annular primary skirt 24 is integrally formed at the outer edge of the circular baffle 23, a diameter-expanding circular cover 32 corresponding to the upper opening of the shell 1 is arranged at the upper end of the filter barrel 3, a secondary blocking rib 33 serving as a central air outlet barrel is downwardly formed in the middle of the circular cover 32, the secondary blocking rib 33 is of a funnel-shaped structure with a large upper end diameter and a small lower end diameter, and the secondary blocking rib 33 and the filter barrel 3 are integrally formed. The secondary baffle rib 33 is inserted in the cyclone 22, the lowest surface A of the secondary air inlet 221 is not lower than the highest surface B of the filter mesh 31 of the filter barrel 3, and the lowest surface A of the secondary air inlet 221 is not lower than the lowest surface C of the secondary baffle rib 33. The upper end of the circular cover 32 is formed with a circular groove for embedding the filter cotton 5, and the filter cotton 5 is arranged in the circular groove and above the central air outlet cylinder.

The lowest face A of the second-level air inlet 221 of the embodiment is not lower than the highest face B of the filter mesh 31 of the filter barrel 3, the lowest face A of the second-level air inlet 221 is not lower than the lowest face C of the second-level blocking rib 33, dust air entering the cyclone separator 2 through the filter barrel 3 enters the first-level dust collecting cavity 10, air is separated at high speed through the cyclone cylinder 22 in the cyclone separator 2, the air is filtered and discharged from the air outlet, dust collides and downwards falls into the second-level dust collecting cavity 20, the second-level blocking rib 33 and the filter barrel 3 are integrally formed, the cyclone separator 2 and the first-level skirt edge 24 are integrally formed, parts are reduced, cost is saved, assembly difficulty is optimized, and assembly is more convenient and faster.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a dust separator of dust catcher, includes the casing and sets up the cyclone assembly in the casing, be equipped with the dust wind import on the casing, cyclone assembly includes cyclone and filter vat, forms one-level dust collection chamber, its characterized in that between the inner wall of casing and cyclone assembly's the outer wall: the upper part of the cyclone separator is a cyclone cylinder, the side surface of the upper part of the cyclone cylinder is provided with a secondary air inlet, the filter barrel covers the cyclone cylinder, the upper end of the filter barrel is provided with an expanded circular cover corresponding to the upper opening of the shell, the middle part of the circular cover is downwards formed with a secondary blocking rib serving as a central air outlet cylinder, the secondary blocking rib is inserted into the cyclone cylinder, the lowest surface of the secondary air inlet is not lower than the highest surface of the filter mesh of the filter barrel, and the lowest surface of the secondary air inlet is not lower than the lowest surface of the secondary blocking rib.

2. The dust separator of claim 1, wherein: the lower part of the cyclone separator is a straight barrel which is fixed with the bottom surface of the shell, the cyclone barrel is of a cylindrical structure with a conical bottom, the conical lower end of the cyclone barrel is inserted into the straight barrel, the upper end of the straight barrel is connected with the conical outer wall, three to six secondary air inlets are respectively and uniformly arranged on the side surface of the upper part of the cylindrical structure of the cyclone barrel at intervals, and arc-shaped air deflectors are arranged on the side part of the cylindrical structure corresponding to the secondary air inlets.

3. The dust separator of claim 2, wherein: a baffle is formed at the conical lower end of the cyclone cylinder, an air guide cone is arranged in the center of the baffle, a vent hole is formed in one side of the baffle, and a secondary dust collection cavity is formed between the inner wall of the straight cylinder and the bottoms of the baffle and the shell.

4. A dust separator according to claim 3, wherein: the filter barrel is a circular cover with an opening at the lower end, filter meshes are distributed at the lower part of the circumferential surface of the filter barrel, a circular baffle is formed at the bottom of the cylindrical structure of the cyclone barrel in an outward extending mode, the filter barrel is sleeved outside the cyclone barrel of the cyclone separator and abuts against the circular baffle, and an annular first-stage skirt edge which inclines downwards is integrally formed at the outer edge of the circular baffle.

5. The dust separator of claim 1, wherein: the second grade keeps off the muscle for the upper end bore is big, and the funnel-shaped structure that the lower extreme bore is little, and second grade keeps off the muscle and filter vat be integrated into one piece.

6. The dust separator of claim 1, wherein: the upper end shaping of circular lid has the circular recess that supplies to filter the cotton embedding, and the filter pulp setting is in circular recess, set up the top at central play dryer.

7. The dust separator according to any one of claims 1 to 6, wherein: the casing is cylindric, and the dust wind import sets up on the upper portion right side of casing, and the sealed lid in upper end of casing is equipped with the upper cover, and the air outlet has been seted up on the left side of upper cover.

8. The dust separator according to any one of claims 2 to 6, wherein: the bottom opening of the shell is detachably provided with a bottom cover in a folding manner, the upper end face of the bottom cover is provided with a circular positioning groove for positioning the lower straight barrel of the cyclone separator, and a sealing ring which is sealed by abutting against the lower end of the straight barrel is embedded in the circular positioning groove.