CN201333003Y

CN201333003Y - Vacuum dust collector

Info

Publication number: CN201333003Y
Application number: CNU200820181268XU
Authority: CN
Inventors: 戴香明
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-31
Filing date: 2008-12-31
Publication date: 2009-10-28
Anticipated expiration: 2018-12-31

Abstract

The utility model relates to a vacuum dust collector which at least comprises a primary cyclone separation device. The primary cyclone separation device comprises a primary cyclone barrel provided with a dust inlet opening; the primary cyclone barrel is also provided with a primary air outlet; a baffle plate with a through hole is arranged inside the primary cyclone barrel and divides the inner cavity of the primary cyclone barrel into an upper part and a lower part; the inner cavities of the two parts are communicated with each other through the through hole on the baffle plate; and the dust inlet opening is formed on the wall of the primary cyclone barrel above the baffle plate. Through arranging the baffle plate in the primary cyclone barrel, a cyclone chamber and a dust collecting chamber in the primary cyclone barrel can be separated, from each other and dust accumulated in a primary dust collecting chamber can be conveniently managed and controlled so as to prevent the dust in the primary dust collecting chamber from flowing into a secondary dust collecting chamber along with rotating airflow, thereby improving the separating efficiency of the primary cyclone separation device and enabling the dust separation efficiency of the whole dust collector to be better.

Description

Vacuum cleaner

Technical field

The utility model relates to a kind of 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 in the dirt bucket built-in extra screen pack, filter dust as the HEPA filter.Because the filtration grade of HEPA filter is very high, screen pack is easy to be stopped up by dust, thereby makes the very fast decline of filter efficiency of dust catcher, has hindered normal use.Also having a kind of dust catcher is by multistage cyclonic separation unit is set, and after the designer wished to separate by such multistage cyclone, dust can be stayed in the separative element of dust catcher completely.But, find in actual use, can not be effectively controlled if the first order is filtered the dust that gets off, the air-flow that has the sub-fraction dust constantly to be rotated drives and enters in the next stage filter element, thereby increase the weight of the burden of next stage filtration system, also therefore cause this multistage cyclone system effectively and efficiently dust as much as possible not to be filtered out.

Publication number is the Chinese patent " multi cyclone dust-separating apparatus of vacuum cleaner " of CN101292851, wherein disclosed just as above-mentioned mention can not effectively carry out dust separating dust catcher, this equipment as shown in Figure 3, comprise cyclone unit and dust collecting unit with first cyclone and a plurality of second cyclones, the longitudinal axis that described first cyclone is arranged to it is arranged vertically substantially.Described first cyclone separates big relatively dust or dirt from sucking by first air the part inhaled air.In described a plurality of second cyclone each is arranged to its longitudinal axis and is arranged vertically substantially, and in described a plurality of second cyclone each have second air flow into part with the first cyclone connected sum air discharge section to discharge air.Described second cyclone separates small relatively dust or dirt from pass through the second air entering part inhaled air.Described dust collecting unit is arranged on below the cyclone unit, is used for collecting and stores dust or the dirt that is separated from air by the cyclone unit.Air-flow enters second cyclone separator through the filtration of mesh filter after first cyclone separator separates and separates, as can be seen from the figure, after first order cyclone separator separated dust is falling into the bottom of this grade cyclone separator, having the sub-fraction dust can not block owing to having, and along with ascending air is carried secretly to the mesh filter place, this not only can cause the separative efficiency of first order cyclone separator to lower, and because the grit of the dust of being carried secretly is generally bigger, and the mesh of mesh filter can be blocked, thereby make whole dust catcher cisco unity malfunction.

The utility model content

The purpose of this utility model provides a kind of improved vacuum cleaner, this vacuum cleaner is by setting up dividing plate in one-level whirlwind bucket, make the dust separation efficient of one-level cyclone separator of dust catcher be improved, and the suction of whole dust catcher more can be kept for a long time.

For achieving the above object, the technical solution adopted in the utility model is: a kind of vacuum cleaner, this dust catcher is a cyclone type, dustless pocket type vacuum cleaner, at least be provided with the one-level cyclone separator, described one-level cyclone separator comprises the one-level whirlwind bucket that offers dust inlet, described one-level whirlwind bucket also is provided with the one-level air outlet, described one-level whirlwind bucket inside is provided with the dividing plate of through hole, this dividing plate is separated into the inner chamber of described one-level whirlwind bucket, following two parts, the inner chamber of these two parts is connected by the through hole on the described dividing plate, and described dust inlet is opened in described one-level whirlwind bucket and is positioned on the bucket wall of described dividing plate top.

The taper surface of the upper surface of preferred described dividing plate for dispersing downwards.

Preferably, described vacuum cleaner also is provided with the secondary cyclone separator being positioned at described one-level cyclone separator downstream, described secondary cyclone separator has a plurality of secondary whirlwind buckets that are arranged side by side, and described secondary whirlwind bucket and described one-level whirlwind bucket be airflow connection mutually.

Preferably, described one-level whirlwind bucket inside is equipped with the mesh screen pack in the provided upstream that is positioned at described one-level air outlet.

Preferably, described through hole is positioned at the junction of described dividing plate and one-level whirlwind bucket inwall.

The utility model compared with prior art has following advantage: by in one-level whirlwind bucket dividing plate being set, make cyclone chamber and dust storage chamber in the one-level whirlwind bucket well separate, also be convenient to well management and the control of the indoor dust that accumulates of single stage of dust collection, and avoid the indoor dust of single stage of dust collection to flow into the secondary dust storage chamber along with swirling eddy, thereby improved the separative efficiency of one-level cyclone separator, made the dust separation better effects if of whole dust catcher.

Description of drawings

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

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

Accompanying drawing 3 is the main cutaway view of the dust catcher in the background technology;

Wherein: 100, one-level cyclone separator; 200, secondary cyclone separator; 1, dust inlet; 2, one-level whirlwind bucket; 3, dividing plate; 4, through hole; 5, mesh filter; 6, secondary whirlwind bucket; 7, 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.

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 separator 200 that comprises one-level cyclone separator 100 and be positioned at the one-level downstream.

Wherein, one-level cyclone separator 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 at the middle part of one-level whirlwind bucket 2, this dividing plate 3 is divided into upper and lower two parts with the inner chamber of one-level whirlwind bucket 2, the taper surface of the upper surface of dividing plate 3 for dispersing downwards, 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, and upper and lower two parts of one-level whirlwind bucket 2 inner chambers are realized the air-flow up/down perforations 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 one-level cyclone separator 100 jointly.Dust-contained airflow after the cyclonic separation, filters the back via mesh filter 5 again and flows out one-level cyclone separator 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 separator 200 is positioned at the top of one-level cyclone separator 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 separator 200 from one-level cyclone separator 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 one-level cyclone separator 100 and the secondary cyclone separator 200, the air inlet of this air intake distributor should communicate with the one-level air outlet 8 of one-level cyclone separator 100, and the air outlet of air intake distributor is connected with the air inlet of each secondary whirlwind bucket 6.

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 dust that separates in the secondary whirlwind bucket 6 amasss the inner bottom part at core bucket 7, the inner bottom part that is core bucket 7 forms secondary dust storage chamber 12, and the bottom of core bucket 7 is tightly connected with bottom 10 mutually by sealing ring 15.

Following mask body is set forth the separation process of the dust in Fig. 1 and the specific embodiment shown in Figure 2:

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-out 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 inner bottom part at core bucket 7, 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 vacuum cleaner, this dust catcher is a cyclone type, dustless pocket type vacuum cleaner, at least be provided with the one-level cyclone separator, described one-level cyclone separator comprises one-level whirlwind bucket, described one-level whirlwind bucket is provided with dust inlet and one-level air outlet, it is characterized in that: described one-level whirlwind bucket inside is provided with the dividing plate of through hole, this dividing plate is separated into the inner chamber of described one-level whirlwind bucket, following two parts, the inner chamber of these two parts is connected by the through hole on the described dividing plate, and described dust inlet is opened in described one-level whirlwind bucket and is positioned on the bucket wall of described dividing plate top.

2, vacuum cleaner according to claim 1 is characterized in that: the taper surface of the upper surface of described dividing plate for dispersing downwards.

3, vacuum cleaner according to claim 1, it is characterized in that: described vacuum cleaner also is provided with the secondary cyclone separator being positioned at described one-level cyclone separator downstream, described secondary cyclone separator has a plurality of secondary whirlwind buckets that are arranged side by side, and described secondary whirlwind bucket and described one-level whirlwind bucket be airflow connection mutually.

4, according to claim 1 or 3 described vacuum cleaners, it is characterized in that: described one-level whirlwind bucket inside is equipped with the mesh screen pack in the provided upstream that is positioned at described one-level air outlet.

5, according to claim 1 or 3 described vacuum cleaners, it is characterized in that: described through hole is positioned at the junction of described dividing plate and one-level whirlwind bucket inwall.