CN102525350B - Vacuum cleaner - Google Patents
Vacuum cleaner Download PDFInfo
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- CN102525350B CN102525350B CN201210039990.0A CN201210039990A CN102525350B CN 102525350 B CN102525350 B CN 102525350B CN 201210039990 A CN201210039990 A CN 201210039990A CN 102525350 B CN102525350 B CN 102525350B
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- dust collector
- separation
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Abstract
The invention discloses a vacuum cleaner. The vacuum cleaner comprises a mechanical separation device and at least one cyclone separation device which is arranged at the downstream of the mechanical separation device, wherein an inner cavity of a separation dust collection barrel is partitioned into an upper chamber and a lower chamber which are communicated through airflow by a partition plate provided with a through hole and positioned below a dust inlet in the inner cavity of the separation dust collection barrel; a plurality of retaining sheets are arranged in the lower chamber; dust-containing airflow enters the inner cavity of the separation dust collection barrel, enters the lower chamber through the through hole, and is stalled after violently impacting the retaining sheets, so that dust with larger mass can be effectively separated and controlled in the mechanical separation device, and fine dust is subjected to cyclone separation in the downstream cyclone separation device; and therefore, the integral dust separation effect of the cleaner is greatly improved, and the integral service performance of the cleaner is greatly enhanced.
Description
Technical field
the present invention relates to a kind of vacuum cleaner.
Background technology
on known cyclone type vacuum cleaner without dust bag, cyclonic filter system has two kinds substantially.The first is built-in extra screen pack in the cyclone dust bucket as first order filtration system normally, as HEPA filter filters dust.The feature of this system is that a large amount of first-hand dusts directly rotates around HEPA filter afterwards along with air-flow enters dirt bucket, due to often weak effect of first order cyclonic separation, dust can not effectively be separated and be brought under control, but constantly screw on and screw off with air-flow in cyclone dust bucket, finally be easy to be through the center suction force suction of HEPA filter and be attached on HEPA filter, and the filtration grade of HEPA filter is very high, screen pack is easy to be stopped up by dust, thereby the suction power of dust catcher is declined very soon, cause user to have to often clean or change filter, affect the normal use of dust catcher.Therefore, this kind of dust catcher just constantly substituted by the second multi-stage spiral-flow-wind dust sucking device.
the second is conventionally alleged multi-stage spiral-flow-wind dust sucking device, and it carries out multistage cyclone separation by the cyclonic separation unit that plural serial stage is set to dust, thereby dust can be stayed in the separative element of dust catcher up hill and dale.At present wear gloomy/Britain as rotoclone collector leader's DYSON() adopt above-mentioned design.But find in actual use, perhaps due to the limitation of domestic vacuum cleaners size dimension and the problem of structural design, often centrifugation dust effectively dust control being got up efficiently of first order cyclone filter.This is mainly due to as cyclone filter, and its operation principle utilizes centrifugal principle that heavier-than-air particle is separated from air exactly in High Rotation Speed.Reach this object, have two main points: the one, High Rotation Speed, dust is wanted High Rotation Speed with air-flow, like this dust granule with speed increase from attraction center more and more away from.The 2nd, particle will from suction force center enough away from, particle just can be fled to such an extent that go out.If just speed is fast, but can not arrive enough far point, that is to say, particle from suction force center not away from, it still can only be with air-flow High Rotation Speed.Like this, the cyclone separation dust bucket of domestic vacuum cleaners, according to centrifugal separating effect, diameter is the bigger the better, and is highly also more high better.But be subject to the restriction of dust catcher complete machine size, diameter can not be very large, and diameter is large, and rotary speed can reduce, centrifugal effect meeting variation, so diameter can not be very large, that is merely able to increase the height of vacuum cleaner cyclone separation dirt bucket.On dust catcher, aspirating mechanism operated by rotary motion is above dust catcher, the height of cyclone separation dust bucket is higher, just longer below dirt bucket, separating effect is just better like this, if do not have enough length spaces to allow dust granule arrive the critical point of an escape below, dust just cannot leave the air-flow of rotation.Dirt bucket surrounding is a barrel wall, and dust cannot be escaped, and near suction center, is the air-flow of High Rotation Speed, and dust cannot separate.Dust-contained airflow must be to going down, and must be that High Rotation Speed downwards, and the particle of Different Weight could be escaped out in the critical point different from suction force center from swirling eddy.
so reason is recognized upper theory, whirlwind speed is larger, longer below dirt bucket, and dust granule separates just more totally, more thorough.And actual situation is, the speed that dust catcher air-flow enters is very large, and dirt bucket lower length cannot be very long, the air-flow of High Rotation Speed abrim in dirt bucket, and the air-flow of High Rotation Speed can be again with the dust becoming quiet at any time and move up, and dust cannot stop.Particularly light, book, often constantly rotate with air-flow such as the modal dust of the present family such as the scraps of paper, fibre fluff, hair, finally be attached on the screen pack that next stage cyclone filter arranges above, cause dust catcher suction to decline, or enter next stage filtration system, 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.The Chinese patent " multi cyclone dust-separating apparatus of vacuum cleaner " that for example publication number is CN101292851, wherein disclosedly can not effectively carry out as the above-mentioned just dust separating dust catcher, falling into behind the bottom of this grade of cyclone separator at the dust after first order cyclone separator separates, having sub-fraction dust can be due to unobstructed, and along with ascending air is carried secretly to 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 larger, and the mesh of mesh filter can be blocked, thereby make whole dust catcher cisco unity malfunction.Other as publication number be in the rotoclone collector described in CN1422187A, CN100998484A, to be also to have as above problem.
Summary of the invention
the object of the invention is to overcome the shortcoming of prior art, a kind of vacuum cleaner of dust separation better effects if is provided.
for achieving the above object, the technical solution used in the present invention is: a kind of vacuum cleaner, comprise that mechanical type separator and at least one are arranged on the Cyclonic separating apparatus in described mechanical type separator downstream, described mechanical type separator comprises the separation dust collector bucket with inner chamber of bottom sealing, on described separation dust collector bucket, offer dust inlet and the first air outlet, in the described inner chamber of described separation dust collector bucket, be provided with the dividing plate with through hole, described inner chamber is separated into upper chamber and lower chambers by described dividing plate, the described bottom of described dividing plate and described separation dust collector bucket forms described lower chambers, described upper chamber, described lower chambers is connected by described through hole, described dust inlet is opened in the circumferential side wall that described separation dust collector bucket is positioned at described dividing plate top, in described lower chambers, be provided with multiple catch.
preferably, described separation dust collector bucket comprises the staving with inner chamber of both ends open, and the bottom of described staving is removably connected with a bottom, between described dividing plate and described bottom, forms described lower chambers.
further preferably, described multiple catch is permanently connected and is arranged in the circumferential side wall of described separation dust collector bucket or on described bottom.
preferably, the upper surface of described dividing plate is the taper surface of dispersing downwards.
further preferably, the inwall that described through hole is positioned at described dividing plate and described separation dust collector bucket connects place.
as a kind of concrete embodiment, described through hole has two at least.
preferably, the provided upstream that is positioned at described the first air outlet in the described inner chamber of described separation dust collector bucket is equipped with mesh filter, and described mesh filter is cylindrical, and described mesh filter and described separation dust collector bucket coaxially arrange.
further preferably, on the lateral wall of described mesh filter, be permanently connected and be provided with the first guiding rib, described the first guiding rib along described mesh filter extend axially and along the circumferential bending of described mesh filter, the inwall of described the first guiding rib and described separation dust collector bucket is fitted, the inner side of described dust inlet and described the first guiding rib is oppositely arranged, on the lateral wall of described mesh filter, be also permanently connected and be provided with the second guiding rib, described the second guiding rib is arranged on the outside of described the first guiding rib obliquely, the direction that described the second guiding rib tilts with entered the described inner chamber of described separation dust collector bucket by described dust inlet in the rotation direction of dust-contained airflow consistent.
still more preferably, described the second guiding rib is 45 °～60 ° along the angle of the axioversion of described mesh filter.
preferably, described Cyclonic separating apparatus comprises one or more whirlwind buckets that are arranged side by side mutually, described whirlwind bucket and described separation dust collector bucket phase airflow connection, the bottom of described Cyclonic separating apparatus is provided with a core bucket that can be connected with described lower chambers, the upper and lower end parts of described core bucket respectively with the setting that is tightly connected mutually of the bottom of the bottom of described Cyclonic separating apparatus, described separation dust collector bucket.
due to the utilization of technique scheme, the present invention compared with prior art has following advantages: the dividing plate that is provided with through hole in the inner chamber of separation dust collector bucket by being positioned at below dust inlet is separated into the inner chamber of separation dust collector bucket upper chamber and the lower chambers of phase airflow connection, and by multiple catch are set in lower chambers, thereby so just formed an effective dust beating separator, dust-contained airflow is carried out to mechanical type separation.Dust-contained airflow is rotated to bottom by top after entering in the inner chamber of separation dust collector bucket in upper chamber, in the time that being threaded to the upper surface of dividing plate, it enters lower chambers through through hole, in lower chambers, there is stall after fierce shock with catch in dust-contained airflow, dust falls to bottom and the flow separation of lower chambers, air velocity slack-off and its rotatablely move destroyed, gently flow to the first air outlet from another through hole, so just make the dust that many quality are larger in mechanical type separator, effectively to be separated and to control, and tiny dust carries out cyclone type separation in the Cyclonic separating apparatus in downstream, improve so significantly the overall dust separation effect of dust catcher, promote widely the overall serviceability of dust catcher.
Brief description of the drawings
the decomposing schematic representation that accompanying drawing 1 is vacuum cleaner of the present invention;
the perspective structure schematic diagram that accompanying drawing 2 is vacuum cleaner of the present invention;
the master that accompanying drawing 3 is vacuum cleaner of the present invention cuts open schematic diagram.
wherein: 1, mechanical type separator; 11, separation dust collector bucket; 12, dust inlet; 13, dividing plate; 14, through hole; 15, catch; 16, bottom; 17, mesh filter; 18, the first guiding rib; 19, the second guiding rib; 110, the first air outlet; 2, Cyclonic separating apparatus; 21, whirlwind bucket; 22, inlet air distributor; 23; Core bucket.
Detailed description of the invention
below in conjunction with accompanying drawing and specific embodiment, technical scheme of the present invention is further elaborated.
shown in Fig. 1-3, a kind of vacuum cleaner, comprise mechanical type separator 1, this mechanical type separator 1 comprises the separation dust collector bucket 11 with inner chamber of bottom sealing, in the circumferential side wall of separation dust collector bucket 11, offer the dust inlet 12 being connected with bowl inner chamber, its top offers the first air outlet 110, and dust-contained airflow enters the inner chamber of separation dust collector bucket 11 from dust inlet 12, after cyclonic separation, flows out from the first air outlet 110.Separation dust collector bucket 11 comprise the staving with inner chamber of both ends open and be removably connected to its bottom bottom 16, bottom 16 is tightly connected mutually with above-mentioned staving.In the inner chamber of separation dust collector bucket 11, be provided with dividing plate 13, dividing plate 13 is positioned at the below of dust inlet 12, the inner chamber of this separation dust collector bucket 11 is separated into upper chamber and lower chambers two parts by dividing plate 13, the part wherein forming between the bottom of separation dust collector bucket 11 and dividing plate 13 is lower chambers, that is part between bottom 16 and dividing plate 13 is lower chambers, the dust storage chamber of this lower chambers that is this mechanical type separator 1.The upper surface of dividing plate 13 is the taper surface of dispersing downwards, offers multiple through holes 14 on dividing plate 13, and upper chamber is connected by through hole 14 with lower chambers.Here, through hole 14 has two, and these two through holes 14 are positioned at dividing plate 13 and connect place with the inwall of separation dust collector bucket 11.In lower chambers, be also provided with multiple catch 15, these multiple catch 15 can be arranged in the circumferential side wall of separation dust collector bucket 11, also can be arranged on the upper surface of bottom 16.Like this, dust-contained airflow first in the rotation of the top of separation dust collector bucket 11, flows in lower chambers from a through hole 14 after dust inlet 12 enters in separation dust collector bucket 11 inner chambers in the time that it is threaded to dividing plate 13 place again.Dust-contained airflow enters in lower chambers and in lower chambers, continues to be rotated down, rapid stall in the time that it touches catch 15, and the dust in dust-contained airflow falls down rapidly because of fierce collision stall, and drops down onto the bottom of lower chambers.Because dividing plate 13 has separated the center suction force that on separation dust collector bucket 11, the first air outlet 110 has, dust-contained airflow has just lost center suction power after entering the lower chambers of dividing plate 13 bottoms, collide with catch 15 again, the kinetic energy that this dust-contained airflow has also lost rotation or waved, thereby quiet down rapidly in lower chambers, dust in air-flow also falls into rapidly the bottom of lower chambers because of reasons such as collision stall and self gravitations, and is not easy to be driven again.Like this, dust-contained airflow has carried out mechanical separation in this mechanical type separator 1, and the dust that quality is larger is separated, and isolated dust is also controlled in this lower chambers.Due to limited space in lower chambers, the air-flow that enters lower chambers can oppositely upwards flow, and the dust-contained airflow after mechanical type separates is sucked back the epicoele of separation dust collector bucket 11 from another through hole 14.
shown in Fig. 1-3, in the present embodiment, the provided upstream that is positioned at the first air outlet 110 in the inner chamber of separation dust collector bucket 11 is equipped with mesh filter 17, this mesh filter 17 is cylindrical, and this mesh filter 17 coaxially arranges with separation dust collector bucket 11, and dust-contained airflow carries out filtering and flowing out mechanical type separator 1 from the first air outlet 110 through mesh filter 17 after mechanical type separation in the inner chamber of separation dust collector bucket 11.On the lateral wall of mesh filter 17, be permanently connected and be provided with the first guiding rib 18, the first guiding rib 18 along mesh filter 17 extend axially and along the circumferential bending of mesh filter 17, this first guiding rib 18 is fitted with the inwall of separation dust collector bucket 11, and the inner side of dust inlet 12 and the first guiding rib 18 is oppositely arranged, it is the inner side that dust inlet 12 should be arranged on the limit portion of the first guiding rib 18 bendings formation, the inner chamber of separation dust collector bucket 11 has just been separated at dust inlet 12 places like this, the one end that is merely able to never be blocked when dust-contained airflow in the time that dust inlet 12 enters separation dust collector bucket 11 inner chamber enters, again in separation dust collector bucket 11 around a direction rotation, after having avoided dust-contained airflow to enter separation dust collector bucket 11, in chamber, disperse everywhere therein.On the lateral wall of mesh filter 17, be also permanently connected and be provided with the second guiding rib 19, this the second guiding rib 19 is arranged on the outside of the first guiding rib 18 obliquely, the direction that the second guiding rib 19 tilts is consistent with the rotation direction that is entered dust-contained airflow in separation dust collector bucket 11 inner chambers by dust inlet 12, the second guiding rib 19 is 45 °～60 ° along the angle of the axioversion of mesh filter 17, after arranging like this, dust-contained airflow is rotation in a direction in the inner chamber of separation dust collector bucket 11, in the time that it rotates to the second guiding rib 19 place, the direction that dust-contained airflow tilts along the second guiding rib 19 is advanced downwards gradually, so just arrive rapidly the upper surface of dividing plate 13 and enter lower chambers from through hole 14, the dust separation efficiency of mechanical type separator 1 is improved.
shown in Fig. 1-3, in the present embodiment, this vacuum cleaner also comprises the Cyclonic separating apparatus 2 that is positioned at mechanical type separator 1 downstream, and this Cyclonic separating apparatus 2 comprises one or more whirlwind buckets 21 that are arranged side by side mutually, and whirlwind bucket 21 arranges with separation dust collector bucket 11 phase airflow connections.Be provided with 5 here, the axial line of these 5 whirlwind buckets 21 is parallel to each other, between the downstream of the upstream of whirlwind bucket 21 and the first air outlet 110, be also provided with one with the inlet air distributor 22 of separation dust collector bucket 11, whirlwind bucket 21 phase airflow connections, this inlet air distributor can be divided into multiply by the dust-contained airflow flowing to Cyclonic separating apparatus 2 from the first air outlet 110, and its number of share of stock is identical with the number of whirlwind bucket 21.Also be provided with a core bucket 23 that can be connected with lower chambers in the bottom of Cyclonic separating apparatus 2, the upper and lower end parts of core bucket 23 respectively with the setting that is tightly connected mutually of the bottom of the bottom of Cyclonic separating apparatus 1, separation dust collector bucket 11, like this, dust-contained airflow is in whirlwind bucket 21 after cyclonic separation, dust falls into bottom through this core bucket 23, and the bottom of core bucket 23 is the dust storage chamber of Cyclonic separating apparatus 2.
the course of work of concrete vacuum cleaner of setting forth lower the present embodiment below:
dust-contained airflow from dust inlet 12 enter the inner chamber of separation dust collector bucket 11 and the inner chamber of separation dust collector bucket 11 with specific direction rotation, and under the guiding of the second guiding rib 19, marching to rapidly the upper surface of dividing plate 13 downwards, this dust-contained airflow is along the upper surface rotation of dividing plate 13 and enter lower chambers from a through hole 14.In the time of design, should make dividing plate 13 less with the distance of dust inlet 12, thereby the dust-contained airflow that makes to enter in separation dust collector bucket 11 inner chambers can arrive dividing plate 13 rapidly, thereby enter in lower chambers by through hole 14 rapidly, to avoid air-flow to rotate and stay, finally cause the not enough pick-up performance that affects dust catcher of dust catcher integral suction power thereby avoid the suction force suction of Qi Bei center to increase the weight of its burden to Cyclonic separating apparatus in upper chamber.Therefore, dust-contained airflow does not often carry out any dirt gas separation and has just entered in lower chambers in upper chamber, dust-contained airflow enters in lower chambers and moves downwards according to inertia, in the time that it runs into catch 15 and catch 15 there is fierce collision, the rapid stall in fierce collision of dust in dust-contained airflow hangs down, fall the bottom in lower chambers, and air-flow is also because dividing plate 13 has cut off the center suction force at separation dust collector bucket epicoele center, this air-flow is occurring also to have lost inertial rotation power after fierce collision with catch 15, thereby no longer rotation and keep comparatively quietly flow regime in lower chambers in lower chambers, thereby can not drive the dust of lower chambers bottom to rotate, after hanging down, can undisturbedly stay dust the bottom of lower chambers.Due to the limited space of lower chambers, said flow also can little by little enter upper chamber from another through hole 14, if the dust that has small part to be carried secretly is got back to upper chamber, after being filtered by mesh filter 17, the multiple whirlwind buckets 21 that are divided into multiply air flow direction Cyclonic separating apparatus 2 from the first air outlet 110 through inlet air distributor 22 again carry out cyclonic separation again, dust after separation falls into the bottom of core bucket 23, pure air after whirlwind bucket 21 cyclonic separation can the top of whirlwind bucket 21 collect and the air outlet offered from the top cover of dust catcher in discharge.
above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. a vacuum cleaner, comprise that mechanical type separator and at least one are arranged on the Cyclonic separating apparatus in described mechanical type separator downstream, described mechanical type separator comprises the separation dust collector bucket with inner chamber of bottom sealing, on described separation dust collector bucket, offer dust inlet and the first air outlet, it is characterized in that: in the described inner chamber of described separation dust collector bucket, be provided with the dividing plate with through hole, described inner chamber is separated into upper chamber and lower chambers by described dividing plate, the described bottom of described dividing plate and described separation dust collector bucket forms described lower chambers, described upper chamber, described lower chambers is connected by described through hole, described dust inlet is opened in the circumferential side wall that described separation dust collector bucket is positioned at described dividing plate top, in described lower chambers, be provided with multiple catch, described separation dust collector bucket comprises the staving with inner chamber of both ends open, the bottom of described staving is removably connected with a bottom, between described dividing plate and described bottom, form described lower chambers, described multiple catch is permanently connected and is arranged in the circumferential side wall of described separation dust collector bucket or on described bottom,
The provided upstream that is positioned at described the first air outlet in the described inner chamber of described separation dust collector bucket is equipped with mesh filter, described mesh filter is cylindrical, described mesh filter and described separation dust collector bucket coaxially arrange, on the lateral wall of described mesh filter, be permanently connected and be provided with the first guiding rib, described the first guiding rib along described mesh filter extend axially and along the circumferential bending of described mesh filter, the inwall of described the first guiding rib and described separation dust collector bucket is fitted, the inner side of described dust inlet and described the first guiding rib is oppositely arranged, on the lateral wall of described mesh filter, be also permanently connected and be provided with the second guiding rib, described the second guiding rib is arranged on the outside of described the first guiding rib obliquely, the direction that described the second guiding rib tilts with entered the described inner chamber of described separation dust collector bucket by described dust inlet in the rotation direction of dust-contained airflow consistent, described the second guiding rib is 45 °～60 ° along the angle of the axioversion of described mesh filter.
2. vacuum cleaner according to claim 1, is characterized in that: the upper surface of described dividing plate is the taper surface of dispersing downwards.
3. vacuum cleaner according to claim 1 and 2, is characterized in that: the inwall that described through hole is positioned at described dividing plate and described separation dust collector bucket connects place.
4. vacuum cleaner according to claim 3, is characterized in that: described through hole has two at least.
5. vacuum cleaner according to claim 1, it is characterized in that: described Cyclonic separating apparatus comprises one or more whirlwind buckets that are arranged side by side mutually, described whirlwind bucket and described separation dust collector bucket phase airflow connection, the bottom of described Cyclonic separating apparatus is provided with a core bucket that can be connected with described lower chambers, the upper and lower end parts of described core bucket respectively with the setting that is tightly connected mutually of the bottom of the bottom of described Cyclonic separating apparatus, described separation dust collector bucket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210039990.0A CN102525350B (en) | 2012-02-22 | 2012-02-22 | Vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210039990.0A CN102525350B (en) | 2012-02-22 | 2012-02-22 | Vacuum cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102525350A CN102525350A (en) | 2012-07-04 |
| CN102525350B true CN102525350B (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210039990.0A Active CN102525350B (en) | 2012-02-22 | 2012-02-22 | Vacuum cleaner |
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| CN (1) | CN102525350B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2524019B (en) * | 2014-03-11 | 2017-01-11 | Hoover Ltd | Cyclonic separation device |
| CN105054864B (en) * | 2015-08-28 | 2018-03-30 | 江苏美的清洁电器股份有限公司 | Cyclone separator, collection assembly of dust and dust catcher |
| CN106618375B (en) * | 2017-02-24 | 2020-12-04 | 江苏美的清洁电器股份有限公司 | Hand-held vacuum cleaner |
| WO2018152928A1 (en) | 2017-02-24 | 2018-08-30 | 江苏美的清洁电器股份有限公司 | Vacuum cleaner and dust cup assembly thereof |
| CN108209722A (en) * | 2018-02-09 | 2018-06-29 | 苏州市春菊电器有限公司 | A kind of two-stage dust and gas separated structure |
| CN108175335A (en) * | 2018-02-09 | 2018-06-19 | 苏州市春菊电器有限公司 | A kind of dust and gas separated structure |
| CN213494344U (en) * | 2020-09-22 | 2021-06-22 | 无锡清易智慧科技有限公司 | Multi-stage cyclone separator and cleaning device |
| CN114343494B (en) * | 2021-12-31 | 2023-06-23 | 深圳市杉川机器人有限公司 | Dust bin, sweeping robot and dust collecting station |
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| CN102525350A (en) | 2012-07-04 |
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