CN1426747A - Rotating separation device of vacuum cleaner - Google Patents
Rotating separation device of vacuum cleaner Download PDFInfo
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- CN1426747A CN1426747A CN 01144387 CN01144387A CN1426747A CN 1426747 A CN1426747 A CN 1426747A CN 01144387 CN01144387 CN 01144387 CN 01144387 A CN01144387 A CN 01144387A CN 1426747 A CN1426747 A CN 1426747A
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- disposal box
- dust
- separating plate
- separation device
- vacuum cleaner
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Abstract
A rotary separator of vacuum cleaner is composed of a dust collecting container, an opening-closing cover, and a separating plate dividing the dust collecting container into upper space and lower dust collecting chamber. The conical separating plate with downward inclined shape has a central hole and a dust flowing hole for allowing the dust to flow into the lower dust collecting chamber. The dust in the dust-collecting chamber does not rotate so to prevent production of static electricity, resulting in high dust collecting efficiency.
Description
Technical field
The present invention relates to the rotating separation device that the vacuum cleaner in a kind of dust catcher field is used, particularly relate to a kind of by adopting the rotating separation dust collector mode, make vacuum cleaner more effectively separation dust collector at the air that contains foreign matter of disposal box inside.
Background technology
At present, as shown in Figure 1, general dust catcher has following structure: suction portion 2 sucks contains the foreign matter air; Prolong the end that pipe 6 is installed in above-mentioned suction portion 2; Prolonging pipe 6 is connected with body of dust collector 4 by connecting flexible pipe 8.
The inside of body of dust collector is provided with the motor that produces air suction and filters the filter that contains the foreign matter air.So, by prolonging pipe 6 and being connected flexible pipe 8, filtering by the filter in the body of dust collector 4 with the foreign matter in the middle of the air that is inhaled into, the cleaned air after the filtration is discharged to the outside of body of dust collector by the exhaust outlet of body of dust collector one side.
Being installed in the filter of body of dust collector inside, most of what adopt is that paper bag is main, but the rotating separation device that adopts the rotating separation dust collector mode is also arranged recently.
But but there are a lot of inconveniences the inside that filter is installed in dust catcher, becomes big such as the volume of, body of dust collector, changes in addition or all very inconvenient during the cleaning filter.So produce recently filter is installed in dust catcher on the dust catcher operating portion.
As shown in Figure 1, in above-mentioned dust catcher, disposal box 10 is installed in a side that prolongs pipe 6.That is to say, disposal box 10 be fixed on handle 6A near, handle 6A is positioned at the upper end that prolongs pipe 6, disposal box 10 can tentatively filter relatively large foreign matter.This disposal box 10 is collected airborne foreign matter by rotating separation device.
As shown in Figure 2, the air that contains foreign matter that sucks by suction portion 2 is inhaled into the inside of above-mentioned disposal box 10.
At this moment, the air that contains foreign matter flow into the inflow entrance 11 that is formed on above-mentioned disposal box 10 upper portion side wall, forms spiral flow in the inside of disposal box 10.After forming spiral flow, the foreign matter that weight ratio is bigger is collected in the bottom of above-mentioned disposal box 10 by the effect of gravity.At this moment, minute aperture 12a and the air of tiny dust by being formed on discharge portion 12 together discharged along the direction shown in the arrow, through the upper end that prolongation pipe 6 be connected the inside that flexible pipe flow into body of dust collector 4.
After heavier foreign matter was tentatively filtered, the air that contains fine dust flow into the inside of body of dust collector 4, was filtered by the tiny dust of paper filter that is arranged on body of dust collector inside.Preliminary filtration and paper filter by above-mentioned rotating separation dust collector mode refilter, and clean air is discharged to the outside of body.
But the dust catcher of above-mentioned prior art has following shortcoming.
In the vacuum cleaner of above-mentioned prior art, separate mode carries out preliminary control of dust to above-mentioned rotating separation dust collector case 10 itself is exactly not give full play to dust catching efficiency by rotation.That is to say, tiny dust is not fully filtered by rotating separation dust collector mode once.
In addition, the bottom of foreign matter in disposal box that is collected in above-mentioned disposal box interior lower end constantly rotates, make produce static in the above-mentioned disposal box after, the generation of can getting an electric shock when the user contact with disposal box is frightened etc., brings a lot of inconvenience to the user.
This shows that above-mentioned existing rotating separation device still has many defectives, and the assistant officer waits to be improved.
Because the defective that above-mentioned existing rotating separation device exists, the design people is based on being engaged in this type of product design manufacturing for many years, amassing has abundant practical experience and professional knowledge, actively studied innovation, through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the defective that existing rotating separation device exists, and the rotating separation device that the vacuum cleaner that a kind of new structure is provided is used, not only connecting tiny foreign matter by the disposal box that uses the rotation separate mode can filter fully, but also can prevent that the dust that is collected in below, disposal box inside from constantly rotating, thereby the generation that improves dust catching efficiency and prevent static.
The present invention solves its technical problem underlying and realizes by the following technical solutions.The rotating separation device that the vacuum cleaner that proposes according to the present invention is used, comprise that the air that contains foreign matter flows into the lid that forms the disposal box of spiral flow in it and can open and close disposal box, it is characterized in that being provided with in the disposal box separating plate, separating plate combines closely with the downside inner peripheral surface of disposal box, forms dust collecting part in the bottom of separating plate; Separating plate is that the center has the coniform of peristome, and from the top circumferential formation guide portion that has a down dip, the guiding foreign matter that has bottom of guide portion flow into the ostium of above-mentioned dust collecting part.
The present invention solves its technical problem and can also adopt following technical measures further to realize.
The rotating separation device that the vacuum cleaner that proposes according to the present invention is used, include body of dust collector and flow into the lid that forms the disposal box of spiral flow in it and can open and close disposal box with the air that the prolongation pipe that has suction portion is connected and contains foreign matter through connecting flexible pipe, it is characterized in that disposal box is removably disposed on the prolongation pipe, be provided with separating plate in the disposal box, separating plate combines closely with the downside inner peripheral surface of disposal box, forms dust collecting part in the bottom of separating plate; Separating plate is that the center has the coniform of peristome, and from the top circumferential formation guide portion that has a down dip, the guiding foreign matter that has bottom of guide portion flow into the ostium of above-mentioned dust collecting part.
Be provided with filter below the lid of preceding described switching disposal box.
Preceding described filter is removably disposed in and opens and closes covering of disposal box.
The preceding described air inflow aperture that flow in the disposal box is downward-sloping.
Preceding described separating plate forms dust collecting part in the bottom of disposal box, and the baffle plate that is standing along vertical direction is arranged in the dust collecting part.
Preceding described guide portion has the curved-surface structure to the ostium continuity.
Preceding described guide portion is made up of with the inclined plane that is connected above-mentioned horizontal plane the horizontal plane of a plurality of almost levels.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, the separating plate of the present invention by disposal box inside below mark off dust collecting part, can effectively collect foreign matter by dust collecting part, and the foreign matter that is collected in the dust collecting part can be stopped the rotation.Also can very successfully fall in the dust collecting part by the foreign matter that separating plate moves down, falling stops the rotation in the dust collecting part has afterwards prevented the generation of static.In addition, utilize the disposal box inside of rotation separate mode control of dust to carry out preliminary control of dust by the rotation separate mode; By filter tiny dust is refiltered then, improved the dust catching efficiency that filters the dust foreign matter.
The present invention is on the practicality and cost benefit of structural design, use, really it is required to meet industry development fully, and disclosed structure is unprecedented innovative design, it does not see any publication, do not see more that before application that identical architectural feature is arranged is known, formerly public, and also not seeing on the market has similar products like, and has novelty really.
Structure of the present invention really has more technological progress than existing rotating separation device, and its particular structure feature and more can also be far from existing rotating separation device and can compare, more existing rotating separation device has more technical progress, and have the multinomial effect of enhancement, and creative really.
Designer of the present invention develops the experience of the existing many decades of this series products, quite understand for existing problem of existing rotating separation device and defective, and the present invention founds according to above-mentioned Study of Defects exploitation, it can reach its intended purposes and effect really, not only on the kenel of space, really belong to innovation, and the true accessory of more existing rotating separation device has suitable enhancement effect, and existing known product has more technological progress and practicality, and produced handy and practical good effect, and have practicality really.
In sum, the present invention really belongs to innovation on the kenel of space, and has the multinomial effect of enhancement than existing product, and simple in structure, is suitable for practicality, has the extensive value of industry.It is in limited field, technical development space, no matter structurally or bigger improvement all arranged on the function, and have large improvement technically, and produced handy and practical effect, and has the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction partly of technical solution of the present invention feature, for making the professional and technical personnel can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is a conventional vacuum cleaners overall structure view.
Fig. 2 is the partial view of prior art rotating separation device.
Fig. 3 is the partial view of the rotating separation device used of vacuum cleaner of the present invention.
Fig. 4 is the view of the rotating separation device separating plate used of vacuum cleaner of the present invention.
Fig. 5 is the view of the rotating separation device disposal box used of vacuum cleaner of the present invention.
Fig. 6 is that the rotation that vacuum cleaner of the present invention is used separates the decomposition view of adorning.
Fig. 7 is another embodiment view of the rotating separation device separating plate used of vacuum cleaner of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
2. suction portion 4. body of dust collector
6. prolong pipe 6a. handle
8. connect flexible pipe 10. disposal boxes
11. inflow entrance 12. discharge portions
12a. minute aperture 100. disposal boxes
102. dust collecting part 104. baffle plates
106. inflow entrance 110. separating plates
110a. separating plate 112. peristomes
112a. peristome 114. guide portion
114a. guide portion 114aa, 114ac. horizontal plane
114ab. inclined plane 116. ostiums
116a. ostium 200. dust-collecting filters
220. cover 222. outlets
See also shown in Figure 3ly, disposal box 100 of the present invention is positioned at the upper end of vacuum cleaner extending pipes.In addition, disposal box 100 of the present invention can once be carried out preliminary control of dust that rotates separate mode and the control of dust again that passes through filter.
Preliminary control of dust to the rotation separate mode describes below.
As shown in the figure, the air that contains foreign matter flow into the inside of disposal box 100; Flow into the medial surface formation spiral flow of the air of above-mentioned disposal box inside along above-mentioned disposal box 100.The reason that the air that flow into above-mentioned disposal box 100 inside produces spiral flow is, when the air that flow into above-mentioned disposal box 100 inside flows to the upper side of above-mentioned disposal box 100, flows into along the tangential direction of medial surface.
In addition, contain foreign matter in the inside of above-mentioned disposal box 100 forms the air of spiral flow, the relatively large foreign matter of particle is collected in below in the disposal box 100 by the rotation separate mode in the above-mentioned foreign matter.That is to say that heavier foreign matter falls by self gravitation relatively downwards.
As shown in Figure 3 and Figure 4, conical separating plate 110 is arranged at the bottom in the above-mentioned disposal box 100.Form dust collecting part 102 by the bottom of above-mentioned separating plate 110 in above-mentioned disposal box 100, above-mentioned dust collecting part 102 is the less places of influence of spiral flow that are formed on the inside of above-mentioned disposal box 100 relatively.The foreign matter that above-mentioned separating plate 110 is collected by the rotation separate mode separates keeping separately in above-mentioned dust collecting part 102, prevent that the foreign matter that is collected in above-mentioned dust collecting part 102 inside from constantly rotating.
Above-mentioned separating plate 110 is divided the inside of above-mentioned disposal box 100, make the below of above-mentioned disposal box 100 inside form the dust collecting part 102 of collecting foreign matter, above-mentioned separating plate 110 sees it is circular along the direction that is inserted into disposal box inside, from the front or the side see it is conical.
As shown in Figure 4, the core of above-mentioned separating plate 110 forms circular peristome 112, the taper shape that in fact above-mentioned separating plate 110 is core openings (Frusto conical).The purpose that the core of above-mentioned separating plate 110 forms peristome 112 is for the foreign matter in the disposal box 100 is collected in the dust collecting part 102.That is to say, when dust collecting part 102 is collected a lot of foreign matter, the foreign matter of inside need be outwelled, at this moment take off disposal box 100 after, the above-mentioned disposal box 100 that overturns will be poured out the foreign matters that are collected in the dust collecting part 102 by above-mentioned peristome 112.Because the conical structure that above-mentioned separating plate 110 is core openings, the foreign matter of pouring out under the state of upset can be poured out up hill and dale by the guiding of the bottom surface of separating plate 110.
On the periphery face of above-mentioned separating plate 110 downward-sloping guide portion 114 is arranged, the foreign matter that falls in the disposal box 100 is directed to ostium 116 by guide sections 114, and above-mentioned foreign matter flow into the dust collecting part 102 of lower end by above-mentioned ostium 116.In fact guide portion 114 is arranged on the circle of separating plate 110, forms curved surface along circle.So the foreign matter that drops downwards along the spiral flow that is formed on disposal box 100 inside is along with the guiding of guide sections 114 flow in the ostium 116.
For shown in Figure 4, guide portion 114 is slick and sly curved surfaces, but guide portion 114 is not limited only to this shape, can adopt Any shape as long as foreign matter can be directed to ostium 116 ostiums.
In Fig. 7, provide the example of another separating plate 110a.As shown in the figure, the guide portion 114a of this example is made up of with the inclined plane 114ab that is connected above-mentioned horizontal component horizontal plane 114aa, the 114ac of a plurality of almost levels.Above-mentioned horizontal plane and inclined plane can be made of a plurality of, and integral body tilts to ostium 116a.Flow in the ostium 116a so form the guiding by the guide portion 114a of this example of foreign matter that spiral flow falls by the rotating separation dust collector mode downwards, separating plate 110a center has peristome 112a.
Flow into the inside that in fact above-mentioned ostium 116 foreign matters flow into dust collecting part 102.A plurality of baffle plates 104 perpendicular to sidewall are arranged on the internal side wall of dust collecting part 102 almost in addition.Foreign matter flow into dust collecting part 102 along with the internal helicoid stream of disposal box 100 rotates by ostium 116.The purpose of above-mentioned baffle plate 104 is in order to prevent that above-mentioned foreign matter from continuing rotation by inertia.So flow into the foreign matter of dust collecting part 102 inside by ostium 116, rotate along madial wall by inertia at first, but owing to baffle plate 104 foreign matters are set are obstructed and continue rotation along guide portion 114.
By structure of the present invention and action, finished the preliminary control of dust that passes through the rotating separation dust collector mode in the inside of disposal box 100.Below the present invention is elaborated by the structure that filter carries out control of dust again in disposal box.
As Fig. 3 and shown in Figure 6, after preliminary control of dust is finished by the rotation separate mode in the inside of above-mentioned disposal box 100, discharge air through dust-collecting filter 200.Dust-collecting filter 200 is arranged on and covers 220 bottom, can dismantle.Above-mentioned lid 220 is removably disposed in the peristome on disposal box 100 tops in order to open and close above-mentioned disposal box 100.
Because above-mentioned lid 220 can open and close the inside of disposal box 100, the foreign matter that is collected in disposal box 100 inside is discharged to the outside at an easy rate.In addition, owing to above the above-mentioned lid 220 passage 222 being arranged, after the side leaked-in air of process dust-collecting filter 200 is filtered, discharge to top by above-mentioned passage 222.
In addition, because above-mentioned lid 220 and disposal box 100 itself can be combined on the prolongation pipe of vacuum cleaner with dismantling, in fact this structure is identical with the structure of prior art.That is to say, in order to discharge the foreign matter that is collected in disposal box 100 inside or cleaning dust-collecting filter 200, at first will cover 220 and disposal box 100 dismantle from the prolongation pipe of vacuum cleaner.Open then and cover 220, expose fully the inside of disposal box 100, can discharge inner foreign matter or cleaning dust-collecting filter 200 in this state.
Below the air mobility status relevant with dust-collecting filter 200 described.
Upwards risen at the center of disposal box 100 by preliminary filtered air by being formed on disposal box 100 internal helicoids stream foreign matter, in fact the air of rising contains the tiny relatively dust that is not filtered by preliminary control of dust.
Flow into the inside of the air of dust-collecting filter 200 peripheries, discharge, in fact flow into the inside of body of dust collector by the outlet 222 on top through dust-collecting filter 200.Body of dust collector is connected with disposal box by suction hose, and body of dust collector inside is provided with the motor that produces suction.Air is also filtered fully through above-mentioned dust-collecting filter 200 tiny foreign matters, through being arranged on the motor of body of dust collector inside, motor being cooled off the back discharge to the outside then.
As mentioned above, carry out control of dust by the rotating separation dust collector mode foreign matter that particle is big relatively in the inside of above-mentioned disposal box 100 after, 200 pairs of dust-collecting filters are included in the air and carry out filter as tiny foreign matters such as dusts.
So, by rotation separate mode foreign matter is carried out preliminary control of dust in the inside of above-mentioned disposal box 100 after, tiny dust etc. carries out control of dust again by above-mentioned dust-collecting filter 200, can finish the thorough filtration that connects tiny dust in the inside of disposal box 100.
What adopt among the present invention is dust-collecting filter 200, the filter of other any kind ofs that also can the tiny dust of the company of employing can filter.Such as the filter that can adopt papery or be made into the polyester filter of fiber.The general polyester filter that forms fiber can be used repeatedly, brings convenience to washing.
In addition, for by enlarging the contact area maximization dust catching efficiency of dust-collecting filter 200 and flow through dust-collecting filter 200 and air, it would be desirable the drum that on above-mentioned dust-collecting filter 200, is concatenated to form the wrinkle of length direction along circumference.By above-mentioned wrinkle, enlarge the contact area of drawing flow through dust-collecting filter 200 and air, can improve dust catching efficiency.In the example of the present invention in addition, the dust-collecting filter that has adopted the wrinkle of length direction to be concatenated to form along circumferencial direction, but be not limited only to this.Such as, filter the structure that also can adopt the capable shape of bellows in order to enlarge with the contact area of air.
Below with reference to Fig. 5, the structure that foreign matter is flow in the above-mentioned disposal box 100 is elaborated.
As mentioned above, leaked-in air only forms the control of dust that spiral flow can be rotated separate mode in the inside of above-mentioned disposal box 100.So as shown in Figure 5, air need form along the tangential direction of disposal box 100 medial surfaces to the inlet 106 that disposal box 100 flows into.
By the airborne foreign matter that comprises of 106 inflows that enter the mouth, air is rotated by spiral flow, and foreign matter falls downwards by self gravitation in spiral flow.As shown in Figure 5, the inlet 106 of disposal box 100 is downward-sloping.With the reason of above-mentioned inlet 106 downward-sloping certain angles is to make the air that flow into disposal box 100 inside by above-mentioned inlet 106 form spiral flow downwards.
The purpose that is rotated down at the inner spiral flows that form of disposal box 100 is, makes to be included in airborne foreign matter and more easily to fall downwards by self gravitation.
The basic thought of the invention described above is to finish through 2 filtrations in the inside of separating plate and disposal box.In example of the present invention, disposal box is arranged on the upper end that prolongs the pipe handle.But disposal box of the present invention is not limited only to this.Such as, disposal box can be arranged on the body of dust collector.That is to say, the disposal box with said structure is set on body of dust collector, contain the foreign matter air by the inflow of prolongation pipe and in body of dust collector, filter.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (8)
1, the rotating separation device used of a kind of vacuum cleaner, comprise that the air that contains foreign matter flows into the lid that forms the disposal box of spiral flow in it and can open and close disposal box, it is characterized in that being provided with in the disposal box separating plate, separating plate combines closely with the downside inner peripheral surface of disposal box, forms dust collecting part in the bottom of separating plate; Separating plate is that the center has the coniform of peristome, and from the top circumferential formation guide portion that has a down dip, the guiding foreign matter that has bottom of guide portion flow into the ostium of above-mentioned dust collecting part.
2, the rotating separation device used of a kind of vacuum cleaner, include body of dust collector and flow into the lid that forms the disposal box of spiral flow in it and can open and close disposal box with the air that the prolongation pipe that has suction portion is connected and contains foreign matter through connecting flexible pipe, it is characterized in that disposal box is removably disposed on the prolongation pipe, be provided with separating plate in the disposal box, separating plate combines closely with the downside inner peripheral surface of disposal box, forms dust collecting part in the bottom of separating plate; Separating plate is that the center has the coniform of peristome, and from the top circumferential formation guide portion that has a down dip, the guiding foreign matter that has bottom of guide portion flow into the ostium of above-mentioned dust collecting part.
3, the rotating separation device used of vacuum cleaner according to claim 1 and 2 is characterized in that being provided with filter below the lid of described switching disposal box.
4, the rotating separation device used of vacuum cleaner according to claim 1 and 2 is characterized in that described filter is removably disposed in to open and close covering of disposal box.
5, the rotating separation device used of vacuum cleaner according to claim 1 and 2 is characterized in that the described air inflow aperture that flow in the disposal box is downward-sloping.
6, the rotating separation device used of vacuum cleaner according to claim 1 and 2 is characterized in that described separating plate forms dust collecting part in the bottom of disposal box, has the baffle plate that is standing along vertical direction in the dust collecting part.
7, the rotating separation device used of vacuum cleaner according to claim 1 and 2 is characterized in that described guide portion has the curved-surface structure to the ostium continuity.
8, the rotating separation device used of vacuum cleaner according to claim 1 and 2 is characterized in that described guide portion is made up of with the inclined plane that is connected above-mentioned horizontal plane the horizontal plane of a plurality of almost levels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01144387 CN1286423C (en) | 2001-12-18 | 2001-12-18 | Rotating separation device of vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01144387 CN1286423C (en) | 2001-12-18 | 2001-12-18 | Rotating separation device of vacuum cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1426747A true CN1426747A (en) | 2003-07-02 |
| CN1286423C CN1286423C (en) | 2006-11-29 |
Family
ID=4677536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01144387 Expired - Fee Related CN1286423C (en) | 2001-12-18 | 2001-12-18 | Rotating separation device of vacuum cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1286423C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101505646B (en) * | 2006-08-25 | 2012-01-04 | 株式会社东芝 | Vacuum cleaner |
| CN102525350A (en) * | 2012-02-22 | 2012-07-04 | 戴香明 | Vacuum cleaner |
| CN101312677B (en) * | 2005-11-22 | 2012-10-03 | 欧罗菲利特斯控股公司 | Vacuum cleaner filter bag |
| CN103040417A (en) * | 2012-12-20 | 2013-04-17 | 大连民族学院 | Gas-dust separation device with double-layer whirlwind track |
| CN108784522A (en) * | 2018-08-24 | 2018-11-13 | 杨伟鑫 | Cyclone separator and dust catcher |
-
2001
- 2001-12-18 CN CN 01144387 patent/CN1286423C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101312677B (en) * | 2005-11-22 | 2012-10-03 | 欧罗菲利特斯控股公司 | Vacuum cleaner filter bag |
| CN101505646B (en) * | 2006-08-25 | 2012-01-04 | 株式会社东芝 | Vacuum cleaner |
| CN102525350A (en) * | 2012-02-22 | 2012-07-04 | 戴香明 | Vacuum cleaner |
| CN102525350B (en) * | 2012-02-22 | 2014-10-22 | 戴香明 | Vacuum cleaner |
| CN103040417A (en) * | 2012-12-20 | 2013-04-17 | 大连民族学院 | Gas-dust separation device with double-layer whirlwind track |
| CN108784522A (en) * | 2018-08-24 | 2018-11-13 | 杨伟鑫 | Cyclone separator and dust catcher |
| WO2020037708A1 (en) * | 2018-08-24 | 2020-02-27 | 杨伟鑫 | Cyclone separator and dust collector |
| CN108784522B (en) * | 2018-08-24 | 2023-11-10 | 杨伟鑫 | Cyclone separator and dust collector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1286423C (en) | 2006-11-29 |
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