CN101669790A - Electric vacuum cleaner - Google Patents

Electric vacuum cleaner Download PDF

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Publication number
CN101669790A
CN101669790A CN200910170771A CN200910170771A CN101669790A CN 101669790 A CN101669790 A CN 101669790A CN 200910170771 A CN200910170771 A CN 200910170771A CN 200910170771 A CN200910170771 A CN 200910170771A CN 101669790 A CN101669790 A CN 101669790A
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CN
China
Prior art keywords
dust
separates walls
storage chamber
electric
separates
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Granted
Application number
CN200910170771A
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Chinese (zh)
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CN101669790B (en
Inventor
雁瀬伸幸
奥岛雅史
岩佐彻
仲本博司
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Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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Publication of CN101669790A publication Critical patent/CN101669790A/en
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Publication of CN101669790B publication Critical patent/CN101669790B/en
Expired - Fee Related legal-status Critical Current
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Abstract

A dust collection box of the invention is composed of a separation part, a dust collection part which collects the dust separated in the separation part, and a bottom cover which covers the lower opening of the dust collection part, wherein, the separation part is provided with a swirling chamber which is configured to the upstream side of an electric air blower which generates the sucked air current and is composed of a filtering net that is provided with a plurality of small through holes, and a crease type filter which covers the periphery. Through the suction of a communication hole whichis formed between the lower part of a separation wall of the dust collection part and the bottom cover, the floating of the dust which is caught in a first dust collection chamber in the swirling chamber can be prevented, and the dust suction force can be sustained.

Description

Electric dust collector
Technical field
The present invention relates to have rotation and suck gas and separate the formation of the eddy flow dust collecting part of savings dust, and have the electric dust collector of the dust-collecting box of reassembling type by centrifugal force.
Background technology
In the past this has in the electric dust collector of eddy flow dust collecting part, and be general, by eddy flow dust collecting part separated dust, is subjected to the influence of the swirling eddy in the eddy flow dust collecting part after the dust suction, is piled up in this dust collecting part below (for example, with reference to patent documentation 1).
But, pass through eddy flow dust collecting part separated dust after the described dust suction in the past, be subjected to the influence of the swirling eddy in the eddy flow dust collecting part, be piled up in the electric dust collector of this dust collecting part below, weight lighter thick dirt relatively hikes up, cause filtering surface to block, therefore have the low problem of dust-absorbing strength.
In addition, because under the influence of swirling eddy in the eddy flow dust collecting part, dust forms nature and piles up, and therefore, is difficult to form compact state in dust storage chamber, the dust of the amount of lacking with the capacity than dust storage chamber forms full state, must discharge dust continually.
The present invention is in order to address the above problem, be to provide a kind of relative lighter dust of weight that makes can not float up, in dust storage chamber, store and do not block filtering surface, thereby keep dust-absorbing strength, and the dust behind the control of dust is compressed, thereby the electric dust collector that the frequent discharge of the dust that can reduce can be used easily.
Patent documentation 1: TOHKEMY 2000-342492 communique
Summary of the invention
In order to solve described problem in the past, electric dust collector of the present invention, be characterised in that, have and produce the electric blower that attracts wind, the dust-collecting box of the trap dust that communicates with electric blower, the suction apparatus of the attraction dust that is communicated with dust-collecting box, dust-collecting box is by having the separation portion that attracts wind and produce the spin chamber of eddy flow that imports, the dust collecting part that is used to accumulate dust that is communicated with the spin chamber, opening and closing the bottom that freely covers the peristome that forms the separates walls of dust storage chamber in the dust collecting part and be provided with in the lower end of separates walls forms, form intercommunicating pore between the lower end of separates walls and the bottom, and intercommunicating pore is communicated in the attraction path of electric blower, therefore, weight after the capture lighter dust relatively can not hike up yet, and in dust storage chamber, store, do not keep dust-absorbing strength thereby can not block screen pack.
Electric dust collector of the present invention can not block the filtering surface in the eddy flow dust collecting part, and when keeping dust-absorbing strength, the dust that compression captures does not need to discharge continually dust.
Description of drawings
Figure 1A is the plane of the electric dust collector main body in the embodiments of the present invention 1.
Figure 1B is the side view of the electric dust collector main body in the embodiments of the present invention 1.
Fig. 2 is the central sectional view of the electric dust collector main body in the embodiments of the present invention 1.
Fig. 3 A is the central sectional view of the dust-collecting box in the embodiments of the present invention 1.
Fig. 3 B is the details drawing of the A part of Fig. 3 A.
Fig. 3 C is the B direction of arrow view of Fig. 3 B.
Fig. 4 is the plane of the spin chamber of the dust-collecting box in the embodiments of the present invention 1.
Fig. 5 A is the profile that the dust-collecting box in the embodiments of the present invention 1 is seen from motor one side.
Fig. 5 B is the 5B-5B profile of Fig. 5 A.
Fig. 6 A is the profile of the formation of trap dust in the dust-collecting box of simply representing in the embodiments of the present invention 1.
Fig. 6 B is the plane of the formation of trap dust in the dust-collecting box of simply representing in the embodiments of the present invention 1.
Fig. 7 A is the central sectional view of the dust-collecting box in the embodiments of the present invention 2.
Fig. 7 B is the details drawing of the A portion of Fig. 7 A.
Fig. 8 is the stereogram of the major part of the expression state of opening bottom in the embodiments of the present invention 2.
Fig. 9 is the profile of the formation of trap dust in the dust-collecting box of representing in the embodiments of the present invention 2.
The specific embodiment
(embodiment 1)
Below, with reference to accompanying drawing embodiments of the present invention are described.In addition, the present invention is not subjected to the restriction of present embodiment.
Use Figure 1A~Fig. 6 B, the electric dust collector in the embodiments of the present invention 1 is described.
Figure 1A, Figure 1B are the plane and the side views of electric dust collector main body in the embodiment 1.Fig. 2 is the central sectional view of electric dust collector main body in the embodiment 1.Fig. 3 A, Fig. 3 B are as the central sectional view of the dust-collecting box of feature of the present invention and the details drawing of each several part.Fig. 4 is the plane of spin chamber.The profile of Fig. 5 A, Fig. 5 B dust-collecting box that to be simple expression see from motor direction and the profile of dust storage chamber.Fig. 6 A, Fig. 6 B are the profile and the planes of the formation of trap dust in the expression dust-collecting box.
Among Figure 1A, Figure 1B, Fig. 2, electric dust collector main body (hereinafter referred to as main body 1), the bottom is provided with running wheel 2.Above running wheel 2, configuration power line 3.Above power line 3 (top of main body 1), at the air entry 4 of main body the place ahead configuration connection flexible pipe (not shown), dispose the electric blower 5 that is used for dust suction at the main body rear, the dust-collecting box 6 of dust is accommodated in configuration between air entry 4 and electric blower 5.Dust-collecting box 6 can freely load and unload on main body.
By above-mentioned formation, the dust that sucks by electric blower 5 is contained in the dust-collecting box 6.Dust after accommodating can be opened bottom 11 discharges by dust-collecting box 6 is taken off from main body 1, can reuse.
Secondly, use Fig. 3 A~Fig. 6 B, the formation of the dust-collecting box 6 of feature of the present invention is described.
Dust-collecting box 6 forms the cover 9 with handle 7 on top, in the separation portion 15 of 9 times configurations of cover dust-separating, further accommodate the dust collecting part 16 of dust in 15 times configurations of separation portion.Have freely openable ground in the bottom of dust collecting part 16 and cover the bottom 11 be used for peristome 8 that the dust of dust collecting part 16 is discharged.
Separation portion 15, by the screen pack 17 that is provided with a plurality of fine through holes with the cylindric spin chamber that forms 15, with and the folding filter 18 that is provided with of periphery constitute.The outside of this folding filter 18 is communicated in the attraction mouth of electric blower 5.
In addition, dust collecting part 16 is divided into the 1st dust storage chamber 16a that is communicated with the inboard of screen pack 17 with separates walls 22, and is communicated with between screen pack 17 and the folding filter 18, promptly is communicated with the 2nd dust storage chamber 16b of the upstream side of folding filter.
In addition, the bottom of separates walls 22 forms the concavo-convex of broach shape, when bottom 11 was in closure state, the intercommunicating pore 22a that is communicated with the 1st dust storage chamber 16a and the 2nd dust storage chamber 16b constituted in the mode that forms between tightening flap 12 that is loaded on bottom 11 (タ イ ト with パ Star キ Application) and separates walls 22.
In addition, the place ahead at dust storage chamber 16, it is outstanding and form convex barrier ribs 23 to be used for the wind path that will be communicated with from the spin chamber on the attraction wind direction top of air entry 4 14, at the central part of bottom 11, is provided with the tabular partition wall of cutting apart about the 1st dust storage chamber 16a 24.
Electric dust collector to the embodiment 1 that constitutes as mentioned above uses Fig. 6 A, Fig. 6 B that the operation below it, effect are described.
By the running of electric blower 5, will contain the air stream A of dust, attract to dust-collecting box 6 by air entry 4, the tangential direction inflow to the cover 9 that sets on dust-collecting box 6 tops forms eddy flow B in the 15a of spin chamber.With screen pack 17 thick dirt is separated, the thick dirt after will separating simultaneously blows afloat the back by eddy flow and captures to the 1st dust storage chamber 16a.On the other hand, by the attraction wind that contains thin dirt behind the screen pack 17, after by folding filter 18 thin dirt being separated, attract to electric blower 5.
In addition, the thin dirt by folding filter 18 separates is captured at the 2nd dust storage chamber 16b, and simultaneously, the dust that adheres on folding filter 18 surfaces is removed by the dedusting mechanism (not having diagram) that is provided with in addition, is captured at the 2nd dust storage chamber 16b equally.Therefore, with the opening operation of the thick dirt that captures at the 1st dust storage chamber 16a that separates by spin chamber 15 by bottom 11 peristome 8 is opened, discharge to dust-collecting box 6 outside.In addition, bottom 11 is fastened in dust collecting part 16 by grab 13.
Here, arrive the eddy flow B of the 1st dust storage chamber 16a, the intercommunicating pore 22a that is constituted by the foot at the 1st dust storage chamber 16a attracts, and therefore can prevent that dust from hiking up.Therefore, the mesh that can suppress screen pack 17 stops up, and can accumulate dust really.Below, with the distinguished and admirable bottom draw stream that is called of the attraction that attracts to intercommunicating pore in the bottom of this dust storage chamber 16.
In addition, by convex barrier rib 23 with at the partition wall 24 that bottom 11 central parts set the 1st dust storage chamber 16a is cut apart, when the eddy flow B that produces in the 15a of spin chamber arrives the 1st dust storage chamber 16a, run into convex barrier rib 23 and be equipped on the partition wall 24 of bottom 11 central parts, as shown in Figure 6, rotation is suppressed, dust is in a side of convex barrier rib 23, a side (position of イ) that is eddy flow B collision is at first accumulated, secondly accumulated at adjacent wind upside (position of ロ), then accumulated in turn at the opposite side of convex barrier rib 23.
When this accumulates, thereby carry out high efficiency capture, therefore, can accumulate more than ever before dust owing to dust being compressed.
(embodiment 2)
Below, with reference to accompanying drawing embodiments of the present invention are described.In addition, the present invention is not subjected to the qualification of this embodiment.
Use Fig. 7 A~Fig. 9, the electric dust collector of embodiments of the present invention 2 is described.
Fig. 7 A, Fig. 7 B are the central sectional view and the part details drawings of the dust-collecting box in the embodiment 2.Fig. 8 is the stereogram of the major part when bottom is opened in the dust-collecting box in the embodiment 2.Fig. 9 is that expression is with the schematic diagram of dust arrestment in the formation of dust-collecting box.In addition, the symbol identical with embodiment 1 has identical construction, omits its explanation.
In the embodiment 2, the bottom of separates walls 22 separately is that two separates walls form two double walls, the inboard is the separates walls 20 that forms the concavo-convex broach shape of broach shape, and the outside is the separates walls 21 of even shape of the connection of restriction the 1st dust storage chamber 16a and the 2nd dust storage chamber 16b.In addition, the space so that broach shape separates walls 20 and flat condition separates walls 21 constitute as communication paths 10, is communicated with the upstream side of folding filter 18.
In addition, on bottom 11, set integrated 16 and the bubble-tight tightening flap 12 of bottom 11 improving dust-collecting box 6, on tightening flap 12, set the projection body 25 that contacts with flat condition separates walls 21.
To the electric dust collector in the embodiment 2 of above formation, use Fig. 9 that following operation, effect are described.
By the running of electric blower 5, contain the air stream A of dust, suck dust-collecting box 6 by air entry 4, the tangential direction inflow to the cover 9 that sets on dust-collecting box 6 tops produces eddy flow B.
Then, arrive what dust-collecting box 6 central parts set and be roughly the columnar 15a of spin chamber, in eddy flow B thick dirt is separated from the air stream that contains dust, separated dust captures by the 1st dust storage chamber 16a that sets in the bottom.
Eddy flow B is attracted by the intercommunicating pore 20a with broach shape separates walls 20 and bottom 11 and tightening flap 12 formations that the lower end in the separates walls 22 that constitutes the 1st dust storage chamber 16a constitutes.By this bottom draw stream, weight lighter dust relatively continues to store in the 1st dust storage chamber 16a, between the concavo-convex broach shape separates walls 20 and 21 two separates walls of flat condition separates walls and bottom 11 in being equipped on dust storage chamber 16, bottom draw wind is prevented hiking up of dust by homogenization.
In addition, at the bubble-tight tightening flap 12 that is used for improving flat condition separates walls 21 and bottom 11, by setting the projection body 25 that contacts with the periphery of flat condition separates walls 21, air-tight state is irrespectively guaranteed in the distortion that produces in the time of can be with tightening flap 12 moulding etc., and stable eddy flow necessary in the bottom draw structure is produced becomes possibility.
By above formation, be characterised in that, have and produce the electric blower that attracts wind, the dust-collecting box of the trap dust that communicates with electric blower, the suction apparatus of the attraction dust that is communicated with dust-collecting box, dust-collecting box is by having the separation portion that attracts wind and produce the spin chamber of eddy flow that imports, the dust collecting part that is used to accumulate dust that is communicated with the spin chamber, the bottom that opens and closes the peristome that the lower end freely cover the separates walls that forms dust storage chamber in the dust collecting part and separates walls is provided with forms, form intercommunicating pore between the lower end of separates walls and the bottom, and intercommunicating pore is communicated in the attraction path of electric blower, therefore, weight after the capture lighter dust relatively can not hike up yet, and in dust storage chamber, store, do not keep dust-absorbing strength thereby can not block screen pack.
In addition, separation portion, be characterised in that, have form the spin chamber to be roughly the 1st filter of the trap dust that columnar screen pack constitutes, with the 2nd filter that captures by the thin dirt of the 1st filter with folding filter formation, dust collecting part is by the 1st dust storage chamber that captures the thick dirt that separates by the 1st filter, constitute with the 2nd dust storage chamber that captures the thin dirt that separates by the 2nd filter, the 1st dust storage chamber and the 2nd dust storage chamber are divided by separates walls, therefore, dust after the capture is not hiked up, in dust storage chamber, store and keep dust-absorbing strength.
In addition, separates walls, be characterised in that, constitute by broach shape partition wall and two separates walls of flat condition partition wall of being provided with in the broach shape partition wall outside, intercommunicating pore forms by broach shape separates walls and bottom, access is communicated with the space that broach shape separates walls and flat condition separates walls form and the upstream side of the 2nd filter, therefore, the eddy flow that can make the attraction wind in the dust storage chamber portion between broach shape and two separates walls of flat condition by homogenization.
In addition, have liner in the joint portion of bottom and separates walls, liner sets the projection body that contacts with the periphery of flat condition separates walls.Even the distortion that produces liner during moulding also can be guaranteed the air-tightness of flat condition separates walls and liner can form stable bottom eddy flow.
In addition, in dust storage chamber, set the convex barrier rib that is used to suppress eddy flow, therefore, can suppress the eddy flow in the dust storage chamber, carry out the compression of dust.
In addition, set the partition wall of cutting apart dust storage chamber, therefore, can suppress the eddy flow in the dust storage chamber, carry out the compression of dust at bottom.

Claims (6)

1. electric dust collector is characterized in that:
Have and produce the electric blower that attracts wind, be communicated to the dust-collecting box that carries out dust arrestment of described electric blower, be communicated to the suction apparatus that is used to attract dust of described dust-collecting box, described dust-collecting box, comprise and have the separation portion that attracts wind and produce the spin chamber of eddy flow that imports, the dust collecting part that is used to accumulate dust that is communicated with described spin chamber, open and close the bottom of the peristome that the lower end freely cover the separates walls that forms described dust storage chamber in the described dust collecting part and described separates walls is provided with, between the lower end of described separates walls and described bottom, form intercommunicating pore, and described intercommunicating pore is communicated to the attraction path of described air blast.
2. electric dust collector as claimed in claim 1 is characterized in that:
Described separation portion, have form described spin chamber to be roughly the 1st filter of the thick dirt of capture that columnar screen pack constitutes, with the 2nd filter that captures by the thin dirt of described the 1st filter, dust collecting part is by the 1st dust storage chamber that captures the thick dirt that separates by described the 1st filter, constitute with the 2nd dust storage chamber that captures the thin dirt that separates by described the 2nd filter, described the 1st dust storage chamber and described the 2nd dust storage chamber are divided with separates walls.
3. electric dust collector as claimed in claim 2 is characterized in that:
Described separates walls, constitute by broach shape partition wall and two separates walls of flat condition partition wall of being provided with in the described broach shape partition wall outside, described intercommunicating pore is formed by described broach shape separates walls and bottom, is communicated with the space of described broach shape separates walls and described flat condition separates walls formation and the upstream side of described the 2nd filter.
4. electric dust collector as claimed in claim 3 is characterized in that:
Joint portion in described bottom and described separates walls has liner, and described liner is equipped with the projection body that contacts with the periphery of flat condition separates walls.
5. as each described electric dust collector in the claim 1~4, it is characterized in that:
In described dust storage chamber, be equipped with the convex barrier rib that is used to suppress eddy flow.
6. as each described electric dust collector in the claim 1~5, it is characterized in that:
Be equipped with the partition wall of cutting apart dust storage chamber at described bottom.
CN 200910170771 2008-09-11 2009-09-11 Electric vacuum cleaner Expired - Fee Related CN101669790B (en)

Applications Claiming Priority (3)

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JP2008-233205 2008-09-11
JP2008233205A JP5125921B2 (en) 2008-09-11 2008-09-11 Electric vacuum cleaner
JP2008233205 2008-09-11

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CN101669790A true CN101669790A (en) 2010-03-17
CN101669790B CN101669790B (en) 2013-10-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111638393A (en) * 2020-05-29 2020-09-08 宁波泰丰源电气有限公司 Electric energy meter with inside dust removal function
US10959587B2 (en) 2018-08-06 2021-03-30 Techtronic Floor Care Technology Limited Vacuum cleaner

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10335001B1 (en) * 2018-03-08 2019-07-02 Jiangsu Midea Cleaning Appliances Co., Ltd. Dust collection box and robot vacuum cleaner

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3667226B2 (en) * 2000-11-13 2005-07-06 シャープ株式会社 Vacuum cleaner
JP2008229279A (en) * 2006-03-31 2008-10-02 Matsushita Electric Ind Co Ltd Electric cleaner
JP2008093277A (en) * 2006-10-13 2008-04-24 Sharp Corp Vacuum cleaner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10959587B2 (en) 2018-08-06 2021-03-30 Techtronic Floor Care Technology Limited Vacuum cleaner
US11627852B2 (en) 2018-08-06 2023-04-18 Techtronic Floor Care Technology Limited Vacuum cleaner
CN111638393A (en) * 2020-05-29 2020-09-08 宁波泰丰源电气有限公司 Electric energy meter with inside dust removal function

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JP5125921B2 (en) 2013-01-23
JP2010063661A (en) 2010-03-25
CN101669790B (en) 2013-10-02

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