CN101108106B - Dust collecting unit of vacuum cleaner - Google Patents
Dust collecting unit of vacuum cleaner Download PDFInfo
- Publication number
- CN101108106B CN101108106B CN200610014856XA CN200610014856A CN101108106B CN 101108106 B CN101108106 B CN 101108106B CN 200610014856X A CN200610014856X A CN 200610014856XA CN 200610014856 A CN200610014856 A CN 200610014856A CN 101108106 B CN101108106 B CN 101108106B
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- Prior art keywords
- dust
- air
- foreign matter
- whirly
- cyclone
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- 239000000428 dust Substances 0.000 title claims abstract description 106
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000001914 filtration Methods 0.000 abstract description 8
- 230000000712 assembly Effects 0.000 description 23
- 238000000429 assembly Methods 0.000 description 23
- 230000009975 flexible effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000001174 ascending effect Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000012780 transparent material Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The invention discloses a dust collecting unit for a vacuum cleaner, which comprises a first cyclone device for filtering foreign bodies in air for the first time, a second cyclone device for filtering the foreign bodies in air passing the first cyclone device 240 for the second time. The invention is characterized in that: the second cyclone device comprises a plurality of small cyclone sections of different diameters guiding air to flow in helix and a plurality of guiding tubes positioned in the small cyclone sections and used for guiding air flow upward. The invention has the advantages that: with the availability of double filtering foreign bodies in air sucked outside through the flow of cyclone, enhances the air purify capacity of the vacuum cleaner, namely the advantage of filtering foreign bodies; besides, with the plurality of small cyclone sections of the different diameters, the invention can effectively utilizing the internal space of the dust collecting unit; together with the small cyclone section with larger diameter relatively, the invention enables the air flow smoothly.
Description
Technical field
What the present invention relates to is vacuum cleaner, particularly be foreign matter in the double filtration air, and possess the collecting unit of dust of the vacuum cleaner of several whirly portions that have different sizes to be used for the separation of air foreign matter.
Background technology
Fig. 1 is the stereogram of the vacuum cleaner of prior art.As shown in the figure, vacuum cleaner comprises: set inside absorbs the fuselage 1 of room air suction apparatus; The suction that utilizes fuselage 1 to produce, near the suction nozzle 2 of the air suction ground.
Said fuselage 1 comprises: the lower fuselage 5 that suction apparatus is installed; Prevent that lower fuselage 5 inner parts are exposed to the outside, the upper fuselage 6 of set inside control vacuum cleaner electric control part (figure does not show).
Upwards circle is protruding with moving handle 6` on upper fuselage 6.When dust catcher moved, moving handle 6` was convenient to user's grasping.
Be equipped with electric wire wheel assemblies (among the figure not) in the right portions of said upper fuselage 6.The electric wire wheel assemblies is used for preserving and twining power line 9.
For fuselage 1 can be moved on ground flexibly, on the two sides of fuselage, be provided with wheel 8, on wheel 8, formed to be drawn into and carried out filtered air after the dust catcher inside and be discharged to the outside efferent 8a of fuselage 1 through suction nozzle 2.
Between fuselage 1 and suction nozzle 2, set gradually the suction hose 3b that utilizes corrugated material to make; The operating portion 4 that connects suction hose 3b end; The prolongation pipe 3a of attended operation portion 4 and suction nozzle 2, the suction that fuselage 1 is produced passes to suction nozzle 2.
When electric power being provided through the power line 9 that is connected with electric control part (figure does not show), the vacuum cleaner entry into service.At this moment, when the user utilizes the button adjustment sucting stage on the operating portion 4, the suction apparatus of fuselage 1 set inside will produce the suction corresponding with each stage.
The suction that said suction apparatus produces passes to suction nozzle 2 through being installed in the suction hose 3b that sucks on the connecting portion 3c and prolonging pipe 3a.The suction of suction nozzle 2 is passed in utilization, sucks to comprise dust or some tiny foreign matter air, and sucking airborne foreign matter will be separated by collecting unit of dust 10, and the air after filtering is discharged to fuselage 1 outside through efferent 8a.
Fig. 2 is the stereogram of the dust collector of vacuum cleaner of prior art.On a side, formed through sucking connecting portion 3c inflow fuselage 1 inner air and flowed to tangential direction, formed the suction guide structure 12 of cyclonic air flow along collecting unit of dust 10 inwalls; Installed in collecting unit of dust 10 inside to form and can separate through sucking quality that guide structure 12 flows into than the separating plate 13 of dust hole 13a greatly; On the opposite side outer wall that sucks guide structure 12, be equipped with the handle 15 that can easily collecting unit of dust 10 be loaded and unloaded on fuselage 1.
On the central part of the upper cover 11 that opens and closes collecting unit of dust 10 tops, formed delivery outlet 11a, and dust filter 14 has been installed at the periphery of delivery outlet 11a bottom surface.
The fold that said dust filter 14 forms along the length direction of filter body 14b repeatedly formation in a circumferential direction, so this dust filter 14 forms columnar structured.Be encirclement, support fixation filter body 14b, the downside fixed part 14a that is peripherally equipped with certain altitude protruding upward in its bottom.
The filter body 14b of said dust filter 14 considers the mobile stronger of air, should adopt the material with certain intensity, after washing, also will guarantee and can not be out of shape.For example, should use the polyester material that can be used as fibrous material.
To supporting and the top of Fixed-Filter main body 14b and the upside fixed part (figure does not show) and the downside fixed part 14a of bottom, requirement can keep filter body 14b cylindrical structural, can also wash simultaneously, so should adopt the synthetic resin material.
Because filter body 14b formed several folds in the longitudinal direction, can increase and flow air between contact area, thereby increase dust catching efficiency.That is, do not contain small foreign matter in order to make in the air through delivery outlet 11a output, 14b filters by filter body.
Through such process, on the filter body 14b surface of dust filter 14, pile up fine foreign matters, make the flowing of air can't be unimpeded.Therefore, the dust and the foreign matter that need cleaning dust filter 14 lip-deep silence.
But the vacuum cleaner of prior art owing to airborne foreign matter only once filters in dust filter 14, and concentrate in the space, so the detergent power of air is low.
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, a kind of collecting unit of dust that utilizes a plurality of cyclones to filter out the vacuum cleaner of airborne foreign matter doubly is provided.
Another object of the present invention is to provide the heavily big or small collecting unit of dust of different vacuum cleaners each other of several whirly portions of foreign matter of a kind of its dual separation of air.
The technical scheme that solves the problems of the technologies described above is: a kind of collecting unit of dust of vacuum cleaner, and its structure comprises: the 1st cyclone of the foreign matter in the 1st filtered air; The airborne foreign matter that has passed through the 1st cyclone 240 carries out the 2nd cyclone that filters again the 2nd time, it is characterized in that said the 2nd cyclone comprises: several whirly portions with diameters guiding air helical flow of different sizes; Be positioned at the inside of said whirly portion; Several guiding tubes that the guiding air upwards flows; The diameter of said several whirly portions increases to opposite side from a side gradually; The guiding bucket of described first cyclone (240) is arranged on deflection dust bucket (210) and sucks guide structure (212) one sides, and the diameter of said several whirly portions (252) is big more from sucking guide structure (212) its diameter far away.
Said upside at several guiding tubes has formed to make and has flow to the bullport that the air above the guiding tube passes through, and on bullport, has also formed the foreign matter blocking bar that is used to remove airborne foreign matter.
Said foreign matter blocking bar has "+" or "-" one of them external form.
The invention has the beneficial effects as follows: the present invention is flowed foreign matter from outside inhaled air and by double filtration through whirlwind.Therefore improved the air cleaning ability of vacuum cleaner, i.e. the advantage of foreign matter filter capacity.
Moreover, the diameter of several whirly portions is different each other in the present invention.Therefore, can effectively utilize the collecting unit of dust volume inside, and because the whirly portion of relative larger diameter is arranged, thereby make flowing of air more unimpeded.
Description of drawings
Fig. 1 is the stereogram of the vacuum cleaner of prior art;
Fig. 2 is the stereogram of the dust collector of vacuum cleaner of prior art;
Fig. 3 is the stereogram of the vacuum cleaner of collecting unit of dust embodiment of the present invention;
Fig. 4 is the stereoscopic figure of the vacuum cleaner fuselage of the embodiment of the invention;
Fig. 5 is the exploded perspective view of the vacuum cleaner fuselage of the embodiment of the invention;
Fig. 6 is the exploded perspective view of dust collector of vacuum cleaner embodiment of the present invention;
Fig. 7 is the longitudinal sectional view of dust collector of vacuum cleaner embodiment of the present invention;
Fig. 8 is the cutaway view of the A-A` of Fig. 7;
Fig. 9 is the cutaway view of the air flow process in the embodiment of the invention vacuum cleaner fuselage.
" explanation of main symbol "
50: nozzle body 60: prolong pipe
70: connect flexible pipe 80: operating handle
90: connector 100: fuselage
110: cap assemblies 112: moving handle
114: collecting unit of dust installation portion 116: the Wheel-guiding structure
120: base assembly 122: electric machine stand
124: electric wire wheel disc mounting part 126: gas deflation assembly
128: move wheel 130: electric pole
140: electric machine assembly 142: the motor encapsulation
150: electric wire wheel assemblies 200: collecting unit of dust
210: control of dust tube 220: upper cover
230: 240: the 1 cyclones of lower cover
250: the 2 cyclones of 248: the 1 dust-collecting cavities
260: the 3 dust-collecting cavities of 256: the 2 dust-collecting cavities
262: lid button 270: assemble the space
280: connecting pipings
The specific embodiment
Below, carry out detailed explanation in conjunction with accompanying drawing for embodiments of the invention.
The present invention provides a kind of collecting unit of dust of vacuum cleaner, and its structure comprises: the 1st cyclone 240 of the foreign matter in the 1st filtered air; The airborne foreign matter that has passed through the 1st cyclone 240 carries out the 2nd cyclone 250 that filters again the 2nd time, and said the 2nd cyclone 250 comprises: several whirly portions 252 with diameters guiding air helical flow of different sizes; Be positioned at the inside of said whirly portion 252, several guiding tubes 254 that the guiding air upwards flows.
The diameter of said several whirly portions 252 increases to opposite side from a side gradually.
Said upside at several guiding tubes 254 has formed to make and has flow to the bullport 254` that the air above the guiding tube 254 passes through, and on bullport 254`, has also formed the foreign matter blocking bar 254 that is used to remove airborne foreign matter ".
Said foreign matter blocking bar 254 " have "+" or "-" one of them external form.
Illustrate in greater detail in the face of structure of the present invention down.
Fig. 3 is the stereogram of the vacuum cleaner of collecting unit of dust embodiment of the present invention.
As shown in the figure, vacuum cleaner provided by the invention comprises: the nozzle body 50 that sucks air and foreign matter; An end that connects nozzle body 50 can be adjusted the prolongation pipe 60 of length; Be connected and prolong on the pipe 60 the connection flexible pipe 70 that guiding is processed by nozzle body 50 inhaled air flexible property materials; Be connected the fuselage 100 of built-in several parts with an end of flexible pipe 70.
Specifically, nozzle body 50 is isolated with fuselage 100 each other, and between nozzle body 50 and fuselage 100, guides flowing of air and foreign matter by prolonging pipe 60 and being connected flexible pipe 70.
The other end (rear end) prolonging pipe 60 is connected with operating handle 80.Formed the operating portion 82 that the user can handle vacuum cleaner in the front of operating handle 80.
Therefore, the user utilizes a grasped operating handle 80 just can handle through the action of operating portion 82 adjustment dust catchers and the power of dust catcher power.
On fuselage 100 and the connecting portion that is connected flexible pipe 70, connector 90 is arranged.Connector 90 has splicing ear that user's operation signal of operating portion 82 input is passed to fuselage 100 concurrently and will be connected the function that flexible pipe 70 leaked-in airs guide to fuselage 100 inside.
Therefore, on the end of connector 90, also possessed several electrical connection terminals (not shown).Identical therewith, when operating portion 82 is arranged under the situation beyond the fuselage 100, also be provided with electrical connection terminal.
That is,, will be unworthy of power backup gas link on the connector 90, and just play the effect of air flow passage if when operating portion 82 is arranged on certain on the fuselage 100.
The composition of having expressed said fuselage 100 of Fig. 4 and Fig. 5 summary.That is, Fig. 4 is the stereoscopic figure of the vacuum cleaner fuselage of the embodiment of the invention; Fig. 5 is the exploded perspective view of the vacuum cleaner fuselage of the embodiment of the invention.
As shown in the figure, the outward appearance of fuselage 100 is roughly by the cap assemblies that constitutes the top outward appearance 110; Constitute the base assembly 120 of bottom outward appearance; Collecting unit of dust 200 compositions such as grade of the airborne foreign matter of double filtration.
The top preferably arcuate structure not of said cap assemblies 110 is provided with moving handle 112 on the upper end of cap assemblies 110.Moving handle 112 makes user's grasping more convenient, makes moving of fuselage 100 more flexible, and said moving handle 112 serves as that axle can rotate with its head end.
Rear side at cap assemblies 110 has formed collecting unit of dust installation portion 114.This collecting unit of dust installation portion 114 is installed collecting unit of dust 200 from cap assemblies 110 formation of subsiding that faces down at this.
In the back of said cap assemblies 110, the inlet hole 114` that has connected before and after promptly on collecting unit of dust installation portion 114, having formed.In inlet hole 114`, insert the suction guide structure 212 of collecting unit of dust 200.Flow into the air of fuselage 100 inside and foreign matter just flows into collecting unit of dust 200 from inlet hole 114` inside through nozzle body 50.
On the two side ends of said cap assemblies 110, also formed Wheel-guiding structure 116.Wheel-guiding structure 116 is used to cover the top of moving wheel, and is as shown in the figure, protruding upward with semicircular structure, corresponding with the first half that moves wheel 128.
Said base assembly 120 forms with cap assemblies 110 corresponding shape and mutually combines.
On the two side ends of said cap assemblies 110, also formed Wheel-guiding structure 116.Said Wheel-guiding structure 116 is used to cover the top of moving wheel, and is as shown in the figure, protruding upward with semicircular structure, therefore corresponding with the first half of said mobile wheel 128.
Said base assembly 120 forms with said cap assemblies 110 corresponding shape and mutually combines.
As shown in the figure, formed electric machine stand 122 at the first half of base assembly 120, the latter half of electric wire wheel disc mounting part 124 that formed.Electric machine assembly 140 is installed on the said electric machine stand 122, on electric wire wheel disc mounting part 124, electric wire wheel assemblies 150 is installed.
On the right-hand end of base assembly 120, also possessed gas deflation assembly 126.Said gas deflation assembly 126 is used for having carried out the side that filtered air is discharged to fuselage 100 with having passed through collecting unit of dust 200.Possessed the discharge filter (figure does not show) that purifies the air of being discharged at this gas deflation assembly 126.
Specifically, gas deflation assembly 126 is positioned at the right side side of electric machine assembly 140.Be discharged to the right side side of fuselage 100 through gas deflation assembly 126 through the air of electric machine assembly 140.
Be provided with mobile wheel 128 in base assembly 120 latter half of both sides.Specifically, on electric wire wheel disc mounting part 124, a pair of mobile wheel 128 is set respectively.Moving wheel 128 makes moving of fuselage 100 more flexible.That is, when cleaning, fuselage 100 can move on ground flexibly.
Though not expression among Fig. 4 and Fig. 5 also is provided with auxiliary wheel on the bottom surface of the central part of base assembly 120 or head end portion.This auxiliary wheel can rotate.It is in order in the moving process of fuselage 100, to adjust moving direction arbitrarily that auxiliary wheel is designed to rotatable structure.
Be provided with electric pole 130 in the rear end of said base assembly 120.Electric pole 130 has protruded certain height backward from the lower end of base assembly 120 and has formed, and with head end portion serve as the axle can rotate up and down.That is, said electric pole 130 has the front and back length of regulation, therefore controls the action of electric wire wheel assemblies 150.
The shape of said electric machine stand 122 is corresponding with electric machine assembly 140, therefore guides the air of electric machine assembly 140 outputs, on this electric machine stand 140, has formed the delivery outlet 122` of several guiding air outputs.
Specifically, as shown in the figure, in the right portions of said electric machine stand 122, promptly on the direction that gas deflation assembly 126 is set, formed several delivery outlets 122`, will guide in the gas deflation assembly 126 through the air that electric machine assembly 140 is discharged.
That is, said electric machine assembly 140 is as shown in the figure, by the head with big relatively external diameter 140 ' with have the main body section 140 of relatively little internal diameter " constitute, go up built-in fans (figure does not show) at this head 140 '.
Be equipped with by elastomeric material at the upside of said electric machine assembly 140 and constitute, and surround the motor encapsulation 142 of the head 140` of electric machine assembly 140, and at the upside of said electric machine stand 122 fitting machine flap 144 also.
On electric wire wheel disc mounting part 124, electric wire wheel assemblies 150 is set.Said electric wire wheel assemblies 150 is positioned at the downside of collecting unit of dust installation portion 114.That is, as shown in the figure, electric wire wheel disc mounting part 124 is positioned at the downside of collecting unit of dust installation portion 114, thereby electric wire wheel assemblies 150 will be positioned at the downside of collecting unit of dust 200.
Said electric wire wheel assemblies 150 is arranged to the state of accumbency on electric wire wheel disc mounting part 124.Electric wire wheel assemblies 150 is used to twine and preserve the power line (figure does not show) that connects external power source and use, and is normally used parts, thereby here no longer specifies.
On said collecting unit of dust installation portion 114, collecting unit of dust 200 is set.Said collecting unit of dust 200 should be arranged to can dismounting structure, in whirlwind flows, be used for the foreign matter of filtered air.
The structure of having represented collecting unit of dust 200 among Fig. 6 and Fig. 7.That is, Fig. 6 is the exploded perspective view of said collecting unit of dust 200, and Fig. 7 is the cutaway view that the inside of the said collecting unit of dust 200 of expression is formed.
As shown in the figure, said collecting unit of dust 200 is mainly also preserved the control of dust tube 210 of the foreign matter that is filtered by the foreign matter that is used for filtered air; Be used to cover the upper cover 220 above the control of dust tube 210; Be used to cover lower cover 230 formations of control of dust tube 210.
Said control of dust tube 210 is columnar structured, constitutes the side outward appearance of collecting unit of dust 200.On control of dust tube 210, be provided with and connect inside and outside suction guide structure 212.Suck guide structure 212 and be used for air from guided outside to guide barrel 242 inside, as shown in the figure, its outboard end has protruded certain part from the outside of control of dust tube 210, and medial extremity communicates with the inside of guide barrel 242.
Specifically, sucking guide structure 212 should be arranged on the tangential direction of guide barrel 242.That is, answer shape to have a certain degree between suction guide structure 212 and the guide barrel 242.Flow into of the inner face rotation of the air of guide barrel 242 inside through sucking guide structure along guide barrel 242.
In the set inside of said control of dust tube 210 the 1st cyclone 240 and the 2nd cyclone 250.
Said the 1st cyclone 240 is to filter out the device that flows into the foreign matter in control of dust tube 210 inner airs for the first time; Comprise: external diameter is less than control of dust tube 210; Flowing of guiding air formed the guide barrel 242 of the 1st dust-collecting cavity 248 of the foreign matter after accumulation and the air separation; Be arranged on the inside of guide barrel 242, the filter assemblies 244 that air and foreign matter are optionally passed through constitutes.
Said guide barrel 242 is arranged on the inside of control of dust tube 210, forms columnar structured.This guide barrel 242 is arranged on the position of departing from control of dust tube 210 central interior.That is, as shown in Figure 8, guide barrel 242 is positioned on the position that the central interior of control of dust tube 210 takes back.
Said filter assemblies 244 comprises: the filter 244a that is used for the foreign matter of filtered air; Be arranged on the guard shield 244b of filter 244a lower end; Be arranged on guard shield 244b the lower end prevent flow plate 244c.
Said filter 244a forms the turbination structure that diameter reduces gradually downwards, on this filter 244a, runs through having formed several airports 244a`.Airport 244a` aperture is preferably littler.Make the foreign matter that volume is bigger in the air can't pass through airport 244a`, and be filtered.
Said guard shield 244b forms disc-shaped structure, and specifically, it forms the skirt structure that diameter increases gradually downwards.The external diameter of said guard shield 244b is less than the internal diameter of said guide barrel 242.
Thus, can't fall the 1st dust-collecting cavity 248 that is positioned at said guard shield 244b below through the slit of said guard shield 244b and guide barrel 242 diameters through the foreign matter that filter 244a falls downside.
Below said guard shield 244b, be provided with several and prevent flow plate 244c.The said flow plate 244c that prevents has formed the structure of divergent contour, has the effect of dispersing that prevents to be deposited in the inner foreign matter of the 1st dust-collecting cavity 248.That is, form cyclonic air flow through the air that sucks guide structure 212, and if this air-flow enters the bottom of guard shield 244b, then can cause being deposited in dispersing once more of the inner foreign matter of the 1st dust-collecting cavity 248, make foreign matter move to the upside of guard shield 244b once more.Therefore, prevent that flow plate 244c from playing the effect of blocking-up air draught in the bottom of guard shield 244b.
The air and the foreign matter that after the upside of filter 244a has formed inflow filter 244a inside, are directed to upside guide to the guiding channel 246 in the 2nd cyclone 250 once more.
Said the 2nd cyclone 250 comprises: the whirly portion 252 of the helical flow of guiding air; Be arranged on the inside of whirly portion 252, the guiding tube 254 of the last current downflow of guiding air; The 2nd dust-collecting cavity 256 of the foreign matter after accumulation and preservation and the air separation.
Said whirly portion 252 be arranged on the 1st cyclone 240 around, specifically the structure with divergent contour is provided with several in the outside of guide barrel 242.Whirly portion 252 forms columnar structured, and its bottom forms the funnel-shaped structure that downward diameter reduces gradually.
Simultaneously, a side of the upper end of whirly portion 252 is open, and whirly portion 252 and guiding channel 246 are communicated.And, on the peristome of whirly portion 252, formed the guide portion (not shown) that outwards further extends, make to flow into whirly portion 252 inner air and rotate with the inner face of foreign matter along whirly portion 252.
Downside in whirly portion 252 is provided with the 2nd dust-collecting cavity 256.Specifically, on the bottom of control of dust tube 210, formed blocking-up wall 258, be divided in the inside of control of dust tube 210 with certain diameter.The diameter of blocking-up wall 258 is greater than the diameter of guide barrel 242 in less than control of dust tube 210 lower end diameter.
And the upper end of blocking-up wall 258 and the lower end inside part of whirly portion 252 link into an integrated entity.As shown in Figure 7; The inboard and the outside of blocking-up wall 258 are separated from each other; Inboard at blocking-up wall 258 is formed for piling up the 1st dust-collecting cavity 248 by the 1st cyclone 240 isolated foreign matters, and is formed for piling up the 2nd dust-collecting cavity 256 and the 3rd dust-collecting cavity 260 by the 2nd cyclone 250 isolated foreign matters in the outside of blocking-up wall 258.
Said guiding tube 254 is arranged on the inboard, upper end of whirly portion 252.The diameter of guiding tube 254 is less than the upper end diameter of whirly portion 252, above will guiding at the air of whirly portion 252 inner rotations.
Specifically, the air that flows into whirly portion 252 and foreign matter rotate and move down along the inner face of whirly portion 252.The flowing velocity of this air increases in the lower end of funnel shaped whirly portion 252 gradually.
Along with air rotates and decline at the inner face along whirly portion 252, on central part, form ascending air.This situation is identical with the typhoon eye phenomenon.The ascending air that produces at whirly portion 252 central portions upwards flows under the guiding of guiding tube 254.
As shown in Figure 6, up/down perforation is provided with bullport 254` on control of dust tube 210.Specifically, bullport 254` is arranged on the hole of the upside of guiding tube 254, has constituted the passage that the air that moves up through guiding tube 254 flow to control of dust tube 210 upsides.
On bullport 254`, formed the foreign matter blocking bar 254 that constitutes one with it ".That is, the inside of bullport 254` has formed and has had the foreign matter blocking bar 254 of removing airborne foreign matter and strengthening the effect of intensity ".As shown in the figure, this foreign matter blocking bar 254 " formation "+" shape structure or formation "-" shape structure.
The diameter of said bullport 254` increases on a side direction gradually.That is, as shown in the figure, guide structure 212 is far away more from sucking, and its diameter is big more.This is because the diameter of guiding tube 254 is big more far more from sucking guide structure.
On a side of guide barrel 242, formed the 3rd dust-collecting cavity 260.The 3rd dust-collecting cavity 260 is used to collect through sucking the airborne foreign matter of guide structure 212 inflow guide barrel 242 inside.
Specifically, as shown in Figure 8, suction guide structure 212 is arranged on the left side of guide barrel 242, has formed the 3rd dust-collecting cavity 260 on the right side, therefore collects the foreign matter that a part flows into guide barrel 242 inside.
Run through in the upper end, right side of guide barrel 242 to have formed and have a certain size and make air and foreign matter flow into the inner inflow entrance 260` of the 3rd dust-collecting cavity 260.
As shown in Figure 8, the diameter of several whirly portions 252 should be different each other.That is, the diameter of several whirly portions 252 increases to the right side that has formed the 3rd dust-collecting cavity 260 from forming the left side that sucks guide structure 212 gradually.
Meanwhile, several guiding tubes 254 that possess in several inboards, whirly portion 252 upper end also have different diameter each other.That is, identical with several whirly portions 252, its diameter increases from the left side to the right side gradually.
And control of dust tube 210 preferably adopts transparent material, will adopt transparent material in the part (right portions of Fig. 8) that forms the 3rd dust-collecting cavity 260 at least.
Said control of dust tube 210 adopts the reason of transparent material to be can confirm the 3rd dust-collecting cavity 260 inner foreign matters of piling up easily from the outside.Promptly; Be installed in 100 last times of vacuum cleaner fuselage at collecting unit of dust 200; The 3rd dust-collecting cavity 260 parts form the rearward end outward appearance of fuselage 100; If at this moment dust-collecting cavity 210 adopts material transparent, the user can confirm the foreign matter of dust-collecting cavity 260 inside outside easily, thereby can accurately judge the period of removing these foreign matters.
As shown in Figure 6, in the lower front face portion of control of dust tube 210, be provided with and cover button 262.Said lid button 262 is with after the fixed hook 232 of lower cover 230 optionally cooperates, the switching of control lower cover 230.
As shown in Figure 7, formed control of dust handle 264 in the back of control of dust tube 210.Control of dust handle 264 is structures of being convenient to user's grasping, protrudes formation backward in the back of control of dust tube 210.
The shape of said lower cover 230 is corresponding with the lower end of control of dust tube 210, forms disc-shaped structure, on its head end, has formed fixed hook 232, has possessed cover hinge 234 in its back-end.
Said cover hinge 234 is centers of rotation of lower cover 230, and fixed hook 232 plays the fixedly effect of the head end portion of lower cover 230.That is, the cover hinge 234 rotating lower ends that are arranged on control of dust tube 210, fixed hook 232 cooperates with lid button 262.Make lower cover 230 be fixed on the lower end of control of dust tube 210.
Said upper cover 220 cover control of dust tube 210 above in, play the effect that the air through the 2nd dust collect plant is guided to the outside of collecting unit of dust 200, cover 220 inside in the above and formed output channel 222.That is, cover in the above 220 bottom surface and top between form certain space, therefore constituted output channel 222.
On the head end of said upper cover 220, formed delivery outlet 224.Delivery outlet 224 is to export the structure that filters out the air of foreign matter at collecting unit of dust 200, covers 220 in the above and has protruded certain length forward.Delivery outlet 224 communicates with said output channel 222.
Simultaneously as shown in Figure 7, cover in the above between 220 bottom surface and control of dust tube 210 top and formed certain space, therefore constituted assembly space 270.Assemble 270 li in space at this, will assemble through said each guiding tube 254 flow air that makes progress, and these air are mobile towards the output channel 222 of said upper cover 220.
The air that has broken away from collecting unit of dust 200 through delivery outlet 224 will flow in the electric machine assembly 140.
Below, the fuselage of vacuum cleaner of the present invention and the effect of collecting unit of dust describe.
At first, sucking the process that air and foreign matter purify with reference to Fig. 3 to Fig. 9 for the vacuum cleaner with said structure describes.
The user makes electric machine assembly 140 entrys into service through operating portion 82, and vacuum cleaner produces suction.Utilize this suction, suck air outside and foreign matter through nozzle body 50.
From nozzle body 50 leaked-in airs and the inside of foreign matter through prolonging pipe 60 and being connected flexible pipe 70 inflow fuselages 100.Flow into fuselage 100 inner air get into said collecting unit of dust 200 through suction guide structure 212 inside.
Get into collecting unit of dust 200 inner air and foreign matters and rotate along guide barrel 242 inner faces, the air of rotation is through the inside of the airport 244a` inflow filter 244a of filter 244a.
At this moment, airborne foreign matter will be deposited in the inside of the 3rd dust-collecting cavity 260 or the 1st dust-collecting cavity 248.Specifically, under the effect of flowing velocity and inertia force, get into and be deposited in the inside of said the 3rd dust-collecting cavity 260 through the part in the foreign matter that is comprised in the air that sucks guide structure 212 quick inflow guide barrel 242 inside through inflow entrance 260`.
Then, continue along the airborne foreign matter of the inner face rotation of guide barrel 242, the bigger foreign matter of volume of airport 244a` that can't be through said filter 244a will be fallen the downside of guard shield 244b, be stacked in the 1st dust-collecting cavity 248.
Flow into collecting unit of dust 200 inner air and move with concentrically ringed track to the downside of guard shield 244b, it flows at last by preventing flow plate 244c blocking-up.Then, move to the upside of guard shield 244b once more, through filter 244a.At this moment, the big relatively foreign matter of weight can't move to the top of guard shield 244b again and will be stacked into the inside of the 1st dust-collecting cavity 248 after the bottom that moves to guard shield 244b.
The inner air of inflow filter 244a becomes fan-shaped with foreign matter in the diffusion inside of guiding channel 246, flows into each whirly portion 252 respectively.Flow into the spiral rotation under the guiding of the guide portion (not shown) that forms of the upper end of whirly portion 252 again of the inner air of whirly portion 252.
Inside in whirly portion 252, air and foreign matter rotation also descend, and at this moment more to the lower end of whirly portion 252, the speed of the air that is rotated will be fast more.
At this moment, along with the inner face rotation of air along whirly portion 252 descends, on the central part of whirly portion 252, form ascending air.This phenomenon is identical with the typhoon eye phenomenon.Therefore, ascending air flows to the upside of control of dust tube 210 by several guiding tube 254 guiding, accumulates in and assembles in the space 270.
In this process, the fine foreign matters of together rotating at the inside and the air of whirly portion 252 can't rise under inertia force and action of centrifugal force, and is separated to the downside of whirly portion 252.Therefore, these fine foreign matters will be deposited in the 2nd dust-collecting cavity 256 inside.
Simultaneously, gather and assemble the inside that space 270 inner air will flow into upper cover 220,, discharge by delivery outlet 224 through output channel 222.
As shown in Figure 9, between said delivery outlet 224 and electric machine assembly 140, formed connecting pipings 280, flow into the head 140` of electric machine assembly 140 along connecting pipings 280 from the cleaned air passes of collecting unit of dust 200 outputs.
The air that flows into the head 140` of electric machine assembly 140 is discharged by the Lower Half of electric machine assembly 140 once more, through the delivery outlet 122` inflow gas deflation assembly 126 of electric machine stand 122.
The air that flows into gas deflation assembly 126 when (not representing among the figure), after further purifying, is discharged to the side (right side side) of vacuum cleaner fuselage 100 through discharge filter.That is, air and foreign matter flow into from the place ahead of fuselage 100, by gas deflation assembly 126 guiding, are expelled to the right side side of fuselage 100.
Through above-mentioned process, when piling up foreign matter in the inside of the 1st dust-collecting cavity 248 and the 2nd dust-collecting cavity 256, open lower cover 230 discarded foreign matters.That is, because control of dust tube 210, the rear end that has particularly formed the dust-collecting cavity 210 of the 3rd dust-collecting cavity 260 is formed by transparent material; Therefore as shown in Figure 3; Be installed at collecting unit of dust 200 under the state of fuselage 100, the user can confirm to be deposited in the amount of the foreign matter of the 3rd dust-collecting cavity 260 accurately, when having assembled a certain amount of foreign matter; Open lower cover 230 is removed foreign matter.
It is following to specify the method for removing foreign matter.When pressing lower cover button 262, the fixed hook 232 of lower cover 230 will break away from and cover button 262.At this moment, lower cover 230 serves as axially to rotate down to open with cover hinge 234, and the 1st dust-collecting cavity 248 and the 2nd dust-collecting cavity 256 inner foreign matters will be fallen the below, thereby go out of use.
Claims (3)
1. the collecting unit of dust of a vacuum cleaner, its structure comprises: the 1st cyclone (240) of the foreign matter in the 1st filtered air; The airborne foreign matter that has passed through the 1st cyclone (240) carries out the 2nd cyclone (250) that filters again the 2nd time, it is characterized in that the guiding bucket of described first cyclone (240) is arranged on the position of departing from dust bucket (210) central interior; Said the 2nd cyclone (250) comprising: several whirly portions (252) with diameter guiding air helical flow of different sizes; Be positioned at the inside of said whirly portion (252), several guiding tubes (254) that the guiding air upwards flows; Whirly portion (252) forms columnar structured; Its bottom forms the funnel-shaped structure that downward diameter reduces gradually; Said guiding tube (254) is arranged on the inboard, upper end of whirly portion (252); The diameter of guiding tube (254) is less than the upper end diameter of whirly portion (252); The diameter of said several whirly portions (252) increases to opposite side from a side gradually, and the guiding bucket of described first cyclone (240) is arranged on deflection dust bucket (210) and sucks guide structure (212) one sides, and the diameter of said several whirly portions (252) is big more from sucking guide structure (212) its diameter far away.
2. according to the collecting unit of dust of the vacuum cleaner described in the claim 1; It is characterized in that; Said upside at several guiding tubes (254) has formed the bullport (254`) that the air that flow to guiding tube (254) top is passed through, and on bullport (254`), has also formed the foreign matter blocking bar that is used to remove airborne foreign matter (254 ").
3. according to the collecting unit of dust of the vacuum cleaner described in the claim 2, it is characterized in that said foreign matter blocking bar (254 ") has "+" or "-" one of them external form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610014856XA CN101108106B (en) | 2006-07-19 | 2006-07-19 | Dust collecting unit of vacuum cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610014856XA CN101108106B (en) | 2006-07-19 | 2006-07-19 | Dust collecting unit of vacuum cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101108106A CN101108106A (en) | 2008-01-23 |
| CN101108106B true CN101108106B (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610014856XA Expired - Fee Related CN101108106B (en) | 2006-07-19 | 2006-07-19 | Dust collecting unit of vacuum cleaner |
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| Country | Link |
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| CN (1) | CN101108106B (en) |
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| US11612290B2 (en) | 2019-06-05 | 2023-03-28 | Omachron Intellectual Property Inc. | Surface cleaning apparatus |
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| CN101108106A (en) | 2008-01-23 |
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Effective date of registration: 20160516 Address after: 210014 Yongfeng Road, Qinhuai District, Jiangsu, No. 28, No. Patentee after: NANJING LG PANDA APPLIANCES Co.,Ltd. Address before: 300402 Tianjin city Beichen District Xingdian Road Patentee before: LG Electronics (Tianjin) Appliances Co.,Ltd. |
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