CN201333004Y

CN201333004Y - Multistage cyclone separation device

Info

Publication number: CN201333004Y
Application number: CNU2009201414475U
Authority: CN
Inventors: 戴香明
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-01-08
Filing date: 2009-01-08
Publication date: 2009-10-28
Anticipated expiration: 2019-01-08

Abstract

The utility model relates to a multistage cyclone separation device, which comprises a first-stage cyclone separator and a second-stage cyclone separator below the first-stage cyclone separator. The first-stage cyclone separator comprises a first-stage cyclone cylinder;the second-stage cyclone separator comprises a plurality of parallelly arranged second-stage cyclone cylinders; the second-stage cyclone cylinders are in airflow communication with the first-stage cyclone cylinder; the lower end parts of the second-stage cyclone cylinders are connected with a core cylinder positioned inside the first-stage cyclone cylinder; the center line of the core cylinder overlaps the center line of the first-stage cyclone cylinder; the core cylinder is divided into an upper core cylinder and a lower core cylinder which are connected detachably; the inner cavity of the lower core cylinder forms a second-stage dust collecting chamber; and the second-stage cyclone separators guide the dust collected through second-stage cyclone separation into a second-stage dust collecting chamber inside the inner cavity of the lower core cylinder through the inner cavity of the upper core cylinder. The core cylinder is divided into two parts, so as to reduce the overall height of the core cylinder and make the cleaning of the inside of the core cylinder easier.

Description

A kind of multistage cyclone separation device

Technical field

The utility model relates to a kind of cyclone separator that is used for vacuum cleaner.

Background technology

In the dustless bag of the known cyclone type dust catcher, for make be positioned at dirt bucket (being generally first order whirlwind bucket) can be to the dust high efficiency filter, usually all will be by multistage cyclone separator be set, and secondary cyclone is set up in parallel a plurality of whirlwind buckets.Common this multi-stage spiral-flow-wind dust sucking device all is to arrange up and down, and promptly secondary cyclone is positioned at the top of primary cyclone.The designer is more convenient in order to make that dust catcher is toppled over dust, usually utilize one to have the guiding dust concurrently and collect the core bucket of dust function, dust in a plurality of secondary cyclones is imported to the lower bottom part of one-level whirlwind bucket, like this when toppling over dust, all empty as long as open the dust that the bottom of dust catcher just can easily separate two-stage filter.

For example publication number is the Chinese patent " cyclone separating dirt cup " of CN 201088546, wherein disclosed cyclone separator is just as the above-mentioned cyclone separator of mentioning, this equipment as shown in Figure 4, comprise and have primary cyclone 1 and a plurality of secondary cyclone the cyclone separator of (among the figure not label), it comprises shell 1 ((being one-level whirlwind bucket) primary cyclone, shell 1 inside has an extension 2 (being the core bucket), surround outer dust-collecting cavity (being the single stage of dust collection chamber) between the lower bottom part of shell and the lower bottom part of extension, the bottom of extension is by self surrounding interior dust-collecting cavity (being the secondary dust storage chamber), from figure and in the description of relevant this patent as can be seen, described core bucket extends to the bottom of shell 1 always from the bottom of secondary whirlwind bucket, and this extension is an integrated pipe from top to bottom, between the housing bottom of it and a plurality of secondary whirlwind buckets of sealing, and be positioned at shell 1 centre position mesh filter all be to be fixed together or integrated.

There is following shortcoming in the cyclone separator of above-mentioned Fig. 4, because core bucket length is long, and normally non-removable, the core bucket is inner because lower bottom part itself also constitutes the secondary dust storage chamber like this, can become very dirty in the long-time inside, back of using, clean very inconvenient.

The utility model content

The purpose of this utility model provides a kind of improved cyclone separator, and the secondary dust storage chamber in this cyclone separator easily cleans.

For achieving the above object, the technical solution adopted in the utility model is: a kind of multistage cyclone separation device, the secondary cyclone that comprises primary cyclone and be positioned at described primary cyclone downstream, described primary cyclone comprises an one-level whirlwind bucket, described secondary cyclone has a plurality of secondary whirlwind buckets that are arranged side by side, described secondary whirlwind bucket and described one-level whirlwind bucket be airflow connection mutually, the bottom of described a plurality of secondary whirlwind buckets is connected with a core bucket that is positioned at described one-level whirlwind bucket inside, the center line of the center line of this core bucket and described one-level whirlwind bucket coincides, described core bucket is divided into core bucket and following core bucket, and described upward core bucket is removably to be connected with following core bucket, the inner chamber of described core bucket down constitutes the secondary dust storage chamber, and described secondary cyclone guides in the secondary dust storage chamber of described core barrel cavity down by the dust of described upward core barrel cavity with the secondary cyclonic separation.

Preferably, has a dividing plate that is annular on the described one-level whirlwind bucket, the inner circumferential surface of this dividing plate is adjacent to mutually with the bucket wall of described core bucket down, external peripheral surface is adjacent to mutually with the inner barrel wall of described one-level whirlwind bucket, described one-level whirlwind bucket is divided into by described dividing plate, following two parts, also offer through hole on the described dividing plate, and on the described one-level whirlwind bucket, following two parts are connected by described through hole, the top of described one-level whirlwind bucket constitutes the one-level cyclone chamber, the lower part of described one-level whirlwind bucket and described formation single stage of dust collection chamber between the core bucket down.

Preferably, described core bucket, dividing plate and one-level whirlwind bucket down are wholely set mutually.

The utility model compared with prior art has following advantage: by core bucket branch is set as two parts, can reduce the whole height of core bucket like this, make the inside of cleaning the core bucket become easy.

Description of drawings

Accompanying drawing 1 is a main cutaway view of the present utility model;

Accompanying drawing 2 is a main sectional exploded view of the present utility model;

Accompanying drawing 3 is the combination stereogram of one-level whirlwind bucket of the present utility model, dividing plate and following core bucket;

Accompanying drawing 4 is the main cutaway view of the dust catcher in the background technology;

Wherein: 100, primary cyclone; 200, secondary cyclone; 1, dust inlet; 2, one-level whirlwind bucket; 3, dividing plate; 4, through hole; 5, mesh filter; 6, secondary whirlwind bucket; 7, core bucket; 71, go up the core bucket; 72, following core bucket; 8, one-level air outlet; 9, ring bucket; 10, bottom; 11, ash stop plate; 12, secondary dust storage chamber; 13, single stage of dust collection chamber; 14, sealing ring; 15, sealing ring; 16, secondary air outlet; 17, upper cover outlet; 18, sealing ring.

The specific embodiment

Further set forth the concrete structure of the present utility model and the course of work below in conjunction with accompanying drawing.

Vacuum cleaner as shown in Figure 1, 2, it is pocket type vacuum cleaner cyclone type, dustless, the secondary cyclone 200 that comprises primary cyclone 100 and be positioned at the one-level downstream.

Wherein, primary cyclone 100 comprises a columniform one-level whirlwind bucket 2, one-level whirlwind bucket 2 offers a dust inlet 1 on superposed bucket sidewall, the top of bucket is provided with one-level air outlet 8, the bottom of one-level whirlwind bucket 2 is by the bottom 10 that is equipped with of sealing ring 14 sealings, and the inner bottom part of one-level whirlwind bucket 2 forms single stage of dust collection chamber 13.The air-flow that has dust enters in the one-level whirlwind bucket 2 from dust inlet 1, flows out from one-level air outlet 8 after separating again.Dust inlet 1 is tangential setting with respect to the madial wall of one-level whirlwind bucket 2.Usually, the outer port part of this dust inlet 1 also is equipped with one and leads the mouth (not shown) along dirt bucket sidewall tangential direction, can make the dust-contained airflow that enters from dust inlet 1 enter in the one-level whirlwind bucket 2 like this, so that at the primary cyclone 100 inner eddy current that form to become tangential direction with one-level whirlwind bucket 2 sidewalls.The special design of present embodiment is to be provided with a dividing plate 3 that is annular at the middle part of one-level whirlwind bucket 2, this dividing plate 3 is divided into the inner chamber of one-level whirlwind bucket 2, following two parts, the taper surface of the upper surface of dividing plate 3 for dispersing downwards, the inner periphery of dividing plate 3 is along extending, inner circumferential surface is adjacent to mutually with the outer wall of the following core bucket 7 that will mention, external peripheral surface is adjacent to mutually with the inner barrel wall of one-level whirlwind bucket 2, also offer through hole 4 on the dividing plate 3, through hole 4 is positioned at the junction of dividing plate 3 and one-level whirlwind bucket 2 inwalls, on one-level whirlwind bucket 2 inner chambers, following two parts are realized the air-flow up/down perforation by this through hole 4.Like this, when dust-contained airflow enters one-level whirlwind bucket 2 inside from dust inlet 1, can carry out cyclonic separation on the inner chamber top of one-level whirlwind bucket 2 earlier, when being threaded to dividing plate 3 places, flow to the inner chamber bottom of one-level whirlwind bucket 2 again from through hole 4, when air-flow oppositely upwards flows, be collected in the inner chamber that one-level whirlwind bucket 2 is arranged in dividing plate 3 belows like this, this moment, dust was subjected to stopping of dividing plate 3, can not flow out lower lumen along with the rising of air-flow.The inner chamber top of one-level whirlwind bucket 2 is coaxially arranged with cylindric mesh filter 5, and the upper end of mesh filter 5 is provided with ring bucket 9, and the outer wall of ring bucket 9 and mesh filter 5 constitutes the part baffle of primary cyclone 100 jointly.Dust-contained airflow after the cyclonic separation, filters the back via mesh filter 5 again and flows out primary cyclone 100 from one-level air outlet 8 in the inner chamber of one-level whirlwind bucket 2.

Among the embodiment shown in the drawings, secondary cyclone 200 is positioned at the top of primary cyclone 100, it is made of a plurality of secondary whirlwind buckets 6, the top of these a plurality of secondary whirlwind buckets 6 is cylindric, the lower part is the truncated cones shape, and the axial line of a plurality of secondary whirlwind buckets 6 is parallel to each other.In order to make the air-flow of going out evenly to enter each secondary whirlwind bucket 6 of secondary cyclone 200 from primary cyclone 100, usually also should be provided with the air intake distributor that an energy is divided into air-flow multiply (number of share of stock is identical with secondary whirlwind barrelage amount) between primary cyclone 100 and the secondary cyclone 200, the air inlet of this air intake distributor should communicate with the one-level air outlet 8 of primary cyclone 100, and the air outlet of air intake distributor is connected with the air inlet of each secondary whirlwind bucket 6.

As shown in Figure 3, the inboard of one-level whirlwind bucket 2 has the core bucket 7 that an energy imports the dust that separates in each secondary whirlwind bucket 6 one-level whirlwind bucket 2 bottoms, the center line of the center line of this core bucket 7 and one-level whirlwind bucket 2 coincides, core bucket 7 is for dividing the intercept form structure, be divided into from plane, dividing plate 3 place, following two parts, promptly go up core bucket 71 and following core bucket 72, removably connect by sealing ring 18 between two parts core bucket, the inner chamber of last core bucket 71 constitutes usually leads grey chamber, the inner chamber of following core bucket 72 constitutes secondary dust storage chamber 12, dust after secondary cyclone 200 filters a plurality of secondary whirlwind buckets 6 by last core bucket 71 inner chambers guides to down in the secondary dust storage chamber 12 of core bucket 72 inner chambers, and the bottom of following core bucket 72 is tightly connected with bottom 10 mutually by sealing ring 15.

In the present embodiment in order to reduce the manufacturing cost of making whole dust catcher, following core bucket 72 on one-level whirlwind bucket 2, dividing plate 3 and the core bucket 7 is wholely set, structure as shown in Figure 3, the dust storage chamber that is arranged so that whole a plurality of cyclone separators like this can both be taken off, and conveniently the dust storage chamber inner chamber is cleaned.

Following mask body is set forth the separation process of the dust among this embodiment:

As shown in Figure 1, after dusty gas tangentially enters one-level whirlwind bucket 2 through dust inlet 1, most primary airs will be rotated down along the inwall of one-level whirlwind bucket 2, this one air-flow of being rotated down is in rotation, other has a small part ash-laden gas to fail to be convened for lack of a quorum will be rotated down another strand of formation air-flow along ring bucket outer wall behind the outer wall of ring bucket 9, arrive the upper wall of ash stop plate 11 of mesh filter 5 when this strand air motion after, under the effect guiding of the upper wall of ash stop plate 11, draw close, and finally converge and form the downward gas of one rotation with primary air to one-level whirlwind bucket 2 inwalls.Because air is different with the quality of dust; be directed at both and bear different centrifugal actions; and under such centrifugal action; dust will obtain preliminary separating with air; when air-flow rotates to dividing plate 3 places; the swirling eddy of comparatively clean (promptly being mingled with the granule dust) of the overwhelming majority can rotate upwards and filter through the mesh of mesh filter 5 after directly enter into the filter inboard; and move upward always; flow out one-level whirlwind buckets 2 and directly enter from one-level air outlet 8 at last and carry out secondary cyclone in each secondary whirlwind bucket 6 and separate (this moment is if any the air intake distributor, and this air-flow that comes out from one-level whirlwind bucket 2 enters each secondary whirlwind bucket 6 after can advancedly crossing the uniform distribution of air intake distributor) again.Another fraction air-flow can flow into the inner chamber that one-level whirlwind bucket 2 is arranged in dividing plate 3 belows from the through hole on the dividing plate 34 together with the isolated bulky grain dust of primary air; approximately rotate to the bottom 10 of one-level whirlwind bucket 2 when this strand air-flow after; under the effect of self air pressure, will form one around core bucket 7 rotations air-flow upwards; this strand air-flow is bound to carry secretly a spot of dust at the motion process that makes progress and moves up together; when the ascending air of carrying small amount of dust secretly reaches the lower wall of dividing plate 3; this moment, dividing plate 3 played the dust-break effect; dust in the air-flow can be blocked in dividing plate 3 belows by dividing plate 3 and can not continue to move up; and can passing through hole 4, air-flow flow to top from the bottom of inner chamber; when air communication is crossed mesh filter 5 places; when part air-flow can enter into mesh filter 5 inboards along the mesh on the mesh filter 5; some air-flow can make progress until the lower wall that arrives ash stop plate 11 always; this fraction air-flow is drawn close to one-level whirlwind bucket 2 inwalls under the effect guiding of the lower wall of ash stop plate 11, thereby and finally converges the downward air-flow of one rotation of formation with downward primary air and separate once more.The ascending air that enters mesh filter 5 inboards can move upward as the above-mentioned direct process air-flow of mesh filter always, flows out one-level whirlwind buckets 2 and directly enters from one-level air outlet 8 at last and carry out in each secondary whirlwind bucket 6 in the secondary cyclone separation.

After air-flow tangentially enters secondary whirlwind bucket 6, promptly begin to do to form the cyclonic air flow of secondary, further the dust in the separation of air to the rotatablely moving of center along the internal face of secondary whirlwind bucket 6.Final dust will enter in the central cavity of core bucket 7 by the bottom outlet of secondary whirlwind bucket 6 and finally amass in the secondary dust storage chamber 12 of core bucket 72 inside down, and final will be after flowing out secondary whirlwind buckets 6 from the secondary air outlet 16 of the top cover of each secondary whirlwind bucket 6 under the effect of self air pressure through the clean gas flow that separated, converge and form one clean gas flow and discharge from the upper cover outlet 17 of dust catcher.

Above embodiment only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the people that is familiar with this technology understand content of the present utility model and is implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed in the protection domain of the present utility model.

Claims

1, a kind of multistage cyclone separation device, the secondary cyclone that comprises primary cyclone and be positioned at described primary cyclone downstream, described primary cyclone comprises an one-level whirlwind bucket, described secondary cyclone has a plurality of secondary whirlwind buckets that are arranged side by side, described secondary whirlwind bucket and described one-level whirlwind bucket be airflow connection mutually, the bottom of described a plurality of secondary whirlwind buckets is connected with a core bucket that is positioned at described one-level whirlwind bucket inside, the center line of the center line of this core bucket and described one-level whirlwind bucket coincides, it is characterized in that: described core bucket is divided into core bucket and following core bucket, and described upward core bucket is removably to be connected with following core bucket, the inner chamber of described core bucket down constitutes the secondary dust storage chamber, and described secondary cyclone guides in the secondary dust storage chamber of described core barrel cavity down by the dust of described upward core barrel cavity with the secondary cyclonic separation.

2, multistage cyclone separation device according to claim 1, it is characterized in that: have a dividing plate that is annular on the described one-level whirlwind bucket, the inner circumferential surface of this dividing plate is adjacent to mutually with the bucket wall of described core bucket down, external peripheral surface is adjacent to mutually with the inner barrel wall of described one-level whirlwind bucket, described one-level whirlwind bucket is divided into by described dividing plate, following two parts, also offer through hole on the described dividing plate, and on the described one-level whirlwind bucket, following two parts are connected by described through hole, the top of described one-level whirlwind bucket constitutes the one-level cyclone chamber, the lower part of described one-level whirlwind bucket and described formation single stage of dust collection chamber between the core bucket down.

3, multistage cyclone separation device according to claim 2 is characterized in that: described core bucket, dividing plate and one-level whirlwind bucket down are wholely set mutually.