CN210749013U

CN210749013U - Dust separator of dust collector

Info

Publication number: CN210749013U
Application number: CN201921051760.XU
Authority: CN
Inventors: 胡海荣; 顾利锁
Original assignee: Ningbo Zhekai Electrical Appliance Co ltd
Current assignee: Ningbo Zhekai Electrical Appliance Co ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-06-16
Anticipated expiration: 2029-07-05

Abstract

The utility model provides a dust separator of dust catcher, including casing and cyclone, be equipped with the dust wind import on the casing, cyclone includes cyclone and filter mantle, cyclone's lower part is a straight bucket, straight bucket is fixed with the bottom surface of casing, cyclone's upper portion is a plurality of whirlwind section of thick bamboo, the filter mantle shroud is outside the whirlwind section of thick bamboo, the position that the upper portion of filter mantle corresponds to the dust wind import is equipped with first aviation baffle, form first wind-guiding passageway between first aviation baffle and the shells inner wall, it is equipped with the second aviation baffle of downward sloping to lie in first aviation baffle rear side on the filter mantle, form down wind-guiding passageway between second aviation baffle and the shells inner wall, form the one-level dust collection chamber between shells inner wall and the cyclone outer wall, form the second grade dust collection chamber between the bottom of straight bucket inner wall and casing. The utility model discloses simple structure is compact, spare part is few, has add first wind-guiding passageway and down wind-guiding passageway for 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 filter. The fan impeller is driven by the motor at high speed to suck airflow and separate air and dust through the filter. The existing dust collector has the defects that the dust is not completely separated, the motor is easily damaged due to insufficient filtration of the dust, and the cleaning difficulty is easily caused when the dust in the dust collector is cleaned.

According to the inspection, the Chinese patent 'a dust separator' with the prior patent application number of CN200520074316 comprises an outer cylinder with a dust air inlet, wherein an air outlet channel is also arranged on the outer cylinder, an air outlet filter is arranged at the opening part of the air outlet channel in the inner cavity of the outer cylinder, and the air outlet filter comprises a filter screen and a filtering attached layer arranged at one side surface where the air flow of the filter screen enters. The air outlet filter comprises a filter screen and a filter attached layer, and the filter efficiency is improved through two-stage filtration, but the dust separator is not of a cyclone type, and the dust collection and filter effects are not ideal.

Also, chinese patent No. CN20161083036.1, "a hand-held vacuum cleaner", includes: a handle by which the vacuum cleaner is supported during normal use; a cyclonic separation unit having a longitudinal axis and a dirt collector at one end of the cyclonic separation unit; the cyclonic separating unit comprises an end portion having a closed configuration in which debris is retained in the dirt collector by the end portion, and an open configuration for removing dirt from the dirt collector; the handle has a pistol grip configuration in which the handle is inclined relative to the cyclonic separating unit to form an angle of no less than 85 degrees and no more than 140 degrees between the handle and the longitudinal axis X of the cyclonic separating unit. The dust collector is internally provided with the cyclone separation unit which can better separate sucked dust, but the dust collector only has one air guide channel, so that the separation effect is not ideal.

Disclosure of Invention

The technical problem to be solved by the present invention is to provide a dust separator of a vacuum cleaner with simple and compact structure and good dust-air separation effect.

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 whirlwind subassembly in the casing, be equipped with dirt wind import on the casing, its characterized in that: the cyclone separation component comprises a cyclone separator and a filter cover, a straight barrel is arranged at the lower part of the cyclone separator, the straight barrel is hermetically abutted to the bottom surface of the shell, a plurality of cyclone barrels are arranged at the upper part of the cyclone separator, the filter cover covers the outside of the cyclone barrels, a first air guide plate is arranged at the position, corresponding to a dust wind inlet, of the outer side of the upper part of the filter cover, a first air guide channel is formed between the first air guide plate and the inner wall of the shell, a second air guide plate which inclines downwards is arranged at the rear side of the first air guide plate on the filter cover, a downward air guide channel is formed between the second air guide plate and the inner wall of the shell, a primary dust collection cavity is formed between the inner wall of the shell and the outer wall of the cyclone separation component, and a secondary dust collection cavity is formed between the inner wall.

As an improvement, the shell is a cylindrical structure with one side trimmed, the dust air inlet is arranged at the upper part of the trimming surface, the upper end of the filter housing is provided with a diameter-expanding circular cover corresponding to the upper opening of the shell, the first air deflector consists of a vertically arranged first arc-shaped air deflector and a transversely arranged second arc-shaped air deflector, the first arc-shaped air deflector corresponds to one side of the dust air inlet, the upper end of the first arc-shaped air deflector is abutted against the bottom of the circular cover, the second arc-shaped air deflector is positioned at the lower end of the dust air inlet and is annularly arranged along the outer wall of the upper part of the filter housing, and the front end of the second arc-shaped air deflector is connected with the lower end of the first arc-shaped air deflector.

And the second air guide plate is positioned at the rear side of the first air guide plate, the upper end of the second air guide plate is abutted against the bottom of the circular cover, and the lower end of the second air guide plate is connected with the rear end of the bottom of the first arc-shaped air guide plate.

Furthermore, circular baffles are formed in the middle of the cyclone separator and at the upper end of the straight barrel, the cyclone barrels are arranged on the circular baffles at intervals in the circumferential direction, the filtering cover is sleeved outside the cyclone barrels and abuts against the circular baffles, and the filtering holes are distributed in the lower portion of the circumferential surface of the filtering cover and are located below the first air deflector and the second air deflector.

And furthermore, the cyclone is of a cylindrical structure with a conical bottom, the conical lower end of the cyclone is inserted into the straight barrel, the upper end of the straight barrel is smoothly connected with the conical outer wall, the side surface of the upper part of the cyclone is rotationally and symmetrically provided with a plurality of secondary air inlets, the side surface of the upper part of the cyclone is provided with an air deflector corresponding to the secondary air inlets, the filter cover is a circular cover with an opening at the lower end, a cylindrical baffle corresponding to the cyclone is arranged in the filter cover, and the cylindrical baffle is inserted in the central position of the cyclone.

Furthermore, the three cyclones are uniformly arranged at intervals, and the air deflector is an extension of an involute.

Further, the upper end shaping of circular lid has the circular recess that supplies the filter pulp to inlay, has seted up the exhaust vent that link up mutually with the cylinder baffle in the circular recess, and the filter pulp setting is in circular recess, set up the top at the exhaust vent.

Furthermore, the filter cover and the circular cover are integrated, a notch is formed in the position, corresponding to the trimming surface, of the upper opening of the shell, a corresponding positioning block is arranged on the circular cover, a protruding positioning groove is formed in the position, far away from the trimming surface, of the upper opening of the shell, a corresponding positioning clamping block is arranged on the circular cover, and the lower end of the filter cover is placed on the circular baffle and is positioned with the shell through the circular 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 end of the 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 upper portion of the filter housing is provided with the first air deflector and the second air deflector, so that a first air guide channel and a downlink air guide channel are formed, entering dust air enters the cyclone separator through the filter housing after passing through the first air guide channel and the downlink air guide channel, dust falls into the primary dust collection cavity, air is separated in the cyclone separator through a cyclone cylinder, the air is filtered and discharged from the air outlet, the dust falls into the secondary dust collection cavity, and the cyclone separator adopts a secondary air inlet which is rotationally symmetrically arranged, is combined with the guide plates which are arranged in an involute manner, so that the separation effect is greatly improved. The utility model discloses simple structure is compact, spare part is less, adds first wind-guiding passageway and down wind-guiding passageway for dirt gas separation effect is better, and the loss is lower, and simple to operate, cost are lower simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a perspective view of FIG. 3;

FIG. 4 is a schematic structural view of a cyclonic separation assembly;

FIG. 5 is a schematic structural view of the filter sock;

FIG. 6 is a schematic diagram of the cyclone separator;

fig. 7 is an exploded view of fig. 1.

Detailed Description

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

As shown in fig. 1 to 7, a dust separator of a dust collector includes a housing 1 and a cyclone separation assembly 100 disposed in the housing 1, the housing 1 is a cylindrical structure with one side cut, the bottom of the housing 1 is open, a bottom cover 6 is detachably provided at the bottom of the housing 1, a dust inlet 11 is disposed at the upper portion of the cut surface of the housing 1, the cyclone separation assembly 100 includes a cyclone separator 2 and a filter cover 3, a straight barrel 21 is disposed at the lower portion of the cyclone separator 2, the straight barrel 21 is fixed to the bottom cover 6, three cyclone cylinders 22 are circumferentially disposed at even intervals at the upper portion of the cyclone separator 2, the central axes of the cyclone cylinders 22 are parallel to each other, a circular baffle 23 is disposed at the middle portion of the cyclone separator 2, and the filter cover 3 is fixed to the circular baffle 23 by abutting against the cyclone cylinders 22. The filter housing 3 is a circular housing with an opening at the lower part, the upper end of the filter housing 3 is provided with a diameter-expanding circular cover 4 corresponding to the upper opening of the shell 1, the outer side of the upper part of the filter housing 3 corresponding to the dust air inlet 11 is provided with a first air deflector, a first air guiding channel 30 is formed between the first air deflector and the inner wall of the shell 11, a second air deflector 35 which inclines downwards is arranged at the rear side of the first air deflector on the filter housing 3, a downward air guiding channel 40 is formed between the second air deflector 35 and the inner wall of the shell 1, a primary dust collecting cavity 10 is formed between the inner wall of the shell 1 and the outer wall of the cyclone separation component 100, and a secondary dust collecting cavity 20 is formed between the inner wall of the lower straight barrel 21 of the cyclone separator 2 and the bottom cover 6 at the bottom of. The first air deflector is composed of a vertically arranged first arc-shaped air deflector 33 and a transversely arranged second arc-shaped air deflector 34, the first arc-shaped air deflector 33 corresponds to one side of the dust air inlet 11, the upper end of the first arc-shaped air deflector 33 is abutted against the bottom of the circular cover 4, the second arc-shaped air deflector 34 is located at the lower end of the dust air inlet 11 and is arranged along the circumferential direction of the outer wall of the upper portion of the filter cover 3, and the front end of the second arc-shaped air deflector 34 is connected with the lower end of the first arc-shaped air deflector 33. The second air deflector 35 is positioned at the rear side of the first air deflector, the upper end of the second air deflector 35 is abutted against the bottom of the circular cover 4, the lower end of the second air deflector 35 is connected with the rear end of the bottom of the first arc-shaped air deflector 33, the lower part of the circumferential surface of the filter housing 3 is distributed with filter holes 31, the filter holes 31 are positioned below the first air deflector and the second air deflector 35, thus dust air entering from the dust air inlet 11 passes through the first air guide channel 30 and the downward air guide channel 40 and then enters the cyclone separator 2 through the filter holes 31 of the filter housing 3, the dust falls into the primary dust collection cavity 10, the air is separated by the cyclone cylinder 22 in the cyclone separator 2, the air is filtered and discharged from the air outlet, and the dust falls into the secondary dust collection cavity 20. The cyclone 22 is a cylinder structure with a conical bottom, wherein 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 upper side of the cyclone 22 is rotationally and symmetrically provided with two secondary air inlets 24, the upper side of the cyclone 22 is provided with an air deflector 221 corresponding to the secondary air inlets 24, the air deflector 221 extends in an involute way instead of tangential air inlet, a cylindrical baffle 32 corresponding to the cyclone 22 is arranged in the filter housing 3, and the cylindrical baffle 32 is inserted in the center of the cyclone 22. The upper end of the circular cover 4 is formed with a circular groove 41 for embedding the filter cotton 5, an air outlet communicated with the cylindrical baffle 32 is arranged in the circular groove 41, and the filter cotton 5 is arranged in the circular groove 41 and above the air outlet.

In addition, the upper end of the cyclone cylinder 22 is provided with a plurality of connecting posts 222, the circular groove 41 of the circular cover 4 is internally provided with corresponding connecting holes 44 which can be connected by screws, and the filter cover 3 covers the cyclone cylinder 22 and is abutted against the circular baffle 23 and fixed with the cyclone separator 2 by screws.

The filter cover 3 and the circular cover 4 of the embodiment are an integral piece, a notch 112 is arranged at the position of the upper opening of the shell 1 corresponding to the trimming surface, a corresponding positioning block 42 is arranged on the circular cover 4, a convex positioning groove 13 is formed at the position of the upper opening of the shell 1 far away from the trimming surface, a corresponding positioning fixture block 43 is arranged on the circular cover 4, and the lower end of the filter cover 3 is placed on the circular baffle 23 and is positioned with the shell 1 through the circular cover 4. The upper end face of the bottom cover 6 is provided with a circular positioning groove for positioning the straight barrel 21 at the lower end of the cyclone separator 2, and a sealing ring 7 which is sealed against the lower end of the straight barrel 21 is embedded in the circular positioning groove.

The working principle is as follows: air with dust enters from a dust air inlet 11 of the shell 1, passes through the first air guide channel 30 and the downward air guide channel 40, then enters the cyclone separator 2 through the filter housing 3, the dust falls into the primary dust collection cavity 10, the air is separated in the cyclone separator 2 through the cyclone cylinder 22 in a high-speed rotating mode, the dust collides and falls into the secondary dust collection cavity 20 downwards, and the air is filtered and discharged from the air outlet.

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 whirlwind subassembly in the casing, be equipped with dirt wind import on the casing, its characterized in that: the cyclone separation component comprises a cyclone separator and a filter cover, a straight barrel is arranged at the lower part of the cyclone separator, the straight barrel is hermetically abutted to the bottom surface of the shell, a plurality of cyclone barrels are arranged at the upper part of the cyclone separator, the filter cover covers the outside of the cyclone barrels, a first air guide plate is arranged at the position, corresponding to a dust wind inlet, of the outer side of the upper part of the filter cover, a first air guide channel is formed between the first air guide plate and the inner wall of the shell, a second air guide plate which inclines downwards is arranged at the rear side of the first air guide plate on the filter cover, a downward air guide channel is formed between the second air guide plate and the inner wall of the shell, a primary dust collection cavity is formed between the inner wall of the shell and the outer wall of the cyclone separation component, and a secondary dust collection cavity is formed between the inner wall.

2. The dust separator of claim 1, wherein: the dust and wind filter is characterized in that the shell is of a cylindrical structure with one side cut, a dust and wind inlet is formed in the upper portion of the cut edge face, an expanded circular cover corresponding to an upper opening of the shell is arranged at the upper end of the filter housing, the first air deflector is composed of a vertically arranged first arc-shaped air deflector and a transversely arranged second arc-shaped air deflector, the first arc-shaped air deflector corresponds to one side of the dust and wind inlet, the upper end of the first arc-shaped air deflector is abutted to the bottom of the circular cover, the second arc-shaped air deflector is located at the lower end of the dust and wind inlet and is arranged along the circumferential direction of the outer wall of the upper portion of the filter housing, and the front end of the second arc-shaped air deflector is connected with the lower end.

3. The dust separator of claim 2, wherein: the second air guide plate is positioned at the rear side of the first air guide plate, the upper end of the second air guide plate is abutted against the bottom of the circular cover, and the lower end of the second air guide plate is connected with the rear end of the bottom of the first arc-shaped air guide plate.

4. A dust separator according to claim 3, wherein: the middle part of the cyclone separator and the upper end of the straight barrel are provided with circular baffles, the cyclone barrels are arranged on the circular baffles at intervals, the filtering cover is sleeved outside the cyclone barrels and abuts against the circular baffles, and the filtering holes are distributed at the lower part of the circumferential surface of the filtering cover and are positioned below the first air deflector and the second air deflector.

5. The dust separator of claim 4, wherein: the cyclone is of a cylindrical structure with a conical bottom, the conical lower end of the cyclone is inserted into the straight barrel, the upper end of the straight barrel is smoothly connected with the conical outer wall, the side surface of the upper portion of the cyclone is rotationally and symmetrically provided with a plurality of secondary air inlets, the position, corresponding to the secondary air inlets, of the side surface of the upper portion of the cyclone is provided with an air deflector, the filter cover is a circular cover with an opening at the lower end, a cylindrical baffle corresponding to the cyclone is arranged in the filter cover, and the cylindrical baffle is inserted into the center of the cyclone.

6. The dust separator of claim 5, wherein: the three cyclones are uniformly arranged at intervals, and the air deflector is an extension of an involute.

7. The dust separator of claim 5, wherein: the upper end shaping of circular lid has the circular recess that supplies to filter the cotton embedding, opens the exhaust vent that link up mutually with the cylinder baffle in the circular recess, and the filter pulp setting is in circular recess, set up the top at the exhaust vent.

8. The dust separator of claim 7, wherein: the filter cover and the circular cover are integrated, a notch is formed in the position, corresponding to the trimming surface, of the upper opening of the shell, a corresponding positioning block is arranged on the circular cover, a protruding positioning groove is formed in the position, far away from the trimming surface, of the upper opening of the shell, a corresponding positioning fixture block is arranged on the circular cover, and the lower end of the filter cover is placed on the circular baffle and is positioned with the shell through the circular cover.

9. The dust separator according to any one of claims 1 to 8, wherein: the bottom opening of casing, the bottom opening detachably of casing closes to be equipped with a bottom, is equipped with the circular constant head tank that supplies the straight bucket location of lower extreme of cyclone on the up end of bottom, and the sealing washer that offsets sealedly with straight bucket lower extreme is embedded to circular constant head tank.