CN101991391A - Cyclonic dust collector - Google Patents
Cyclonic dust collector Download PDFInfo
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- CN101991391A CN101991391A CN201010227894XA CN201010227894A CN101991391A CN 101991391 A CN101991391 A CN 101991391A CN 201010227894X A CN201010227894X A CN 201010227894XA CN 201010227894 A CN201010227894 A CN 201010227894A CN 101991391 A CN101991391 A CN 101991391A
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Abstract
The present invention provides a cyclonic dust collector capable of reducing dust discharged from a cyclone barrel. The cyclonic dust collector is provided with a dust collector main body (2) with a built-in electric blower (6), a dust collection container (10) and an eddy generation member (11) arranged in the dust collection container (10), the eddy generation member (11) has a cylindrical part (16) coaxially arranged in the cyclone barrel (14) of the dust collection container (10), a through hole (17) for communicating the electric blower (6) and the cyclone barrel (14) is formed on a side face (16A) of the cylindrical part (16), a first return part (18) projecting around a circumference is arranged on a lower end part of the cylindrical part (16), a second return part (19) projecting around a circumference is arranged on a side face (16A) of the cylindrical part (16), thus, when an updraft (F3) crosses the return parts (18, 19), a part of dust contained in the updraft (F3) is transferred to a gyration stream (F2), thereby, it is possible to reduce dust contained in the updraft (F3) through the through hole (17).
Description
Technical field
The present invention relates to Cyclonic dust collector.
Background technology
In the past, as this Cyclonic dust collector, the known discharge pipe (cylindrical portion that is equivalent to the present application) that is formed with peristome that in cyclone body (the whirlwind tube that is equivalent to the present application), is provided with, and, the Cyclonic dust collector of partition member (portion that returns that is equivalent to the present application) is set at this discharge pipe.In these Cyclonic dust collectors, join dust in the cycle stream and in above-mentioned cyclone body, separate from the cycle heart of wandering about as a refugee, after this, the air-flow of having removed dust flows out from above-mentioned discharge pipe.In addition, can not be though in said flow, contain by the tiny dust of centrifugal force separation, but, the part of tiny dust like this is when air-flow is crossed above-mentioned partition member, the cycle circulation of flowing to the inwall along above-mentioned cyclone body moves, therefore, situation about flowing out from above-mentioned cyclone body is inhibited.
Patent documentation 1: TOHKEMY 2003-200082 communique
But, in such Cyclonic dust collector, can be described as by above-mentioned partition member and suppress, exist dust to surpass above-mentioned partition member, from the problem of above-mentioned discharge pipe discharge.So, filter etc. is being arranged under the situation of this discharge pipe the problem that also exists this filter to block owing to adhering to of tiny dust.
The present invention can address the above problem a little to provide a kind of, and minimizing is a purpose from the Cyclonic dust collector of the dust that the whirlwind tube is discharged.
Summary of the invention
The Cyclonic dust collector of the first invention record of the present invention is to have the main body of dust collector that is built-in with electric blowing machine, whirlwind tube, be installed on cylindrical portion in this whirlwind tube coaxially, form in the side of this cylindrical portion and to make in the above-mentioned whirlwind tube and the Cyclonic dust collector of the passage that above-mentioned electric blowing machine is communicated with, be provided with and a plurality ofly begin to spread all over the outstanding portion that returns of full week from above-mentioned cylindrical portion.
In addition, the Cyclonic dust collector of the second invention record of the present invention is in first invention, is benchmark to cross the air-flow that is arranged on the portion that returns on the above-mentioned cylindrical portion, is provided with above-mentioned passage in the downstream of comparing with any one portion of returning.
The invention effect
The Cyclonic dust collector of the first invention record of the present invention constitutes in the above described manner, and in view of the above, contained dust separates by centrifugal force in the cycle stream that produces in the above-mentioned whirlwind tube.Then, contain not from above-mentioned cycle flow point from the air-flow of tiny dust crossing above-mentionedly when returning portion, the part of contained dust is moved to the cycle circulation in the said flow, in view of the above, has surpassed the above-mentioned amount of returning dust contained in the air-flow of portion and has reduced.By this situation repeatedly, can reduce the amount of having passed through to be formed on dust contained in the air-flow of the passage on the above-mentioned cylindrical portion.
In addition,, be provided with above-mentioned passage, can make the air communication that has fully reduced dust effectively to above-mentioned passage in the downstream of comparing with any one portion of returning by being benchmark to cross the air-flow that is arranged on the portion that returns on the above-mentioned cylindrical portion.
Description of drawings
Fig. 1 is the front view of the Cyclonic dust collector of expression first embodiment of the present invention.
Fig. 2 is its left side view.
Fig. 3 is its main position skeleton diagram.
Fig. 4 is the front view of the Cyclonic dust collector of expression second embodiment of the present invention.
Fig. 5 is its left side view.
Fig. 6 is its main position skeleton diagram.
Fig. 7 is the front view of the Cyclonic dust collector of expression the 3rd embodiment of the present invention.
Fig. 8 is its left side view.
Fig. 9 is its main position skeleton diagram.
The specific embodiment
Below, according to Fig. 1 to Fig. 3, first embodiment of the present invention is described.In addition, in the present embodiment, for convenience,, limit up and down and front and back according to the posture of Fig. 1.In addition, because Fig. 3 is the figure that main position of the present invention is simplified, so, be not consistent with the section of Fig. 1 and Fig. 2 exactly.The 1st, vertical electric vacuum cleaner of the present invention.This vertical electric vacuum cleaner 1 constitutes by the cyclone type dust collecting part 3, nozzle 4 and the operating grip 5 that have main body of dust collector 2, freely install with respect to these main body of dust collector 2 dismounting.
Above-mentioned main body of dust collector 2 built-in electric blowing machine 6 etc.In addition, the Embedded Division 8 that lower end side embeds and dismounting is freely fixing that is used for the rhabodoid 7 of aforesaid operations handle 5 is being set on the top of above-mentioned main body of dust collector 2.In addition, the 9th, exhaust outlet.
Above-mentioned cyclone type dust collecting part 3 is installed in the bottom of above-mentioned main body of dust collector 2, and under the state that is installed in this main body of dust collector 2, is communicated with above-mentioned electric blowing machine 6.Then, above-mentioned cyclone type dust collecting part 3 constitutes by the filter assemblies 12 in the cylindrical portion described later 16 that has the dust collecting container 10, the eddy current production part 11 that is accommodated in this dust collecting container 10 that are made of transparent synthetic resin, is accommodated in this eddy current production part 11.Above-mentioned dust collecting container 10 is integrally formed by the open whirlwind tube 14 cylindric or inverted cone-shaped in the introduction part cylindraceous 13 of both ends open up and down and upper end.Then, above-mentioned eddy current production part 11 is inserted in above-mentioned dust collecting container 10 from dust collecting container 10 upper end side.In addition, the lower end dismounting in the introduction part 13 of above-mentioned dust collecting container 10 freely is installed with said nozzle 4.Above-mentioned eddy current production part 11 by have changes direction end 15, cylindrical portion 16 constitutes.Above-mentioned changes direction end 15 is to be installed in above-mentioned eddy current production part 11 under the state of above-mentioned dust collecting container 10, and the mode that covers the upper end open portion of above-mentioned introduction part 13 constitutes.Then, above-mentioned changes direction end 15 so that the air-flow F1 that rises in above-mentioned introduction part 13 constitute to mode along the direction conversion of the inwall 14A of above-mentioned whirlwind tube 14.In addition, above-mentioned cylindrical portion 16 has formed the round-ended cylinder shape, and forms a plurality of passages 17 at its side 16A.Have again, form first in the bottom of above-mentioned cylindrical portion 16 and return portion 18, and return portion 19 in the bottom of the side of above-mentioned cylindrical portion 16 16A formation second.Then, above-mentioned filter assembly 12 by have the base portion 21 that formed through hole 20, extend the filter frame 22 that ground is provided with around the above-mentioned through hole 20 downwards, the filter 23 that is supported by this filter frame 22 constitutes.
Elaborate above-mentioned cylindrical portion 16.Above-mentioned first to return portion 18 outstanding with the vertical direction outside that the bottom from above-mentioned cylindrical portion 16 begins to spread all over complete circumferentially this cylindrical portion 16, and its front bending, and the mode of Yan Shening constitutes downwards.In addition, above-mentioned second return portion 19 begin to spread all over from the side 16A of above-mentioned cylindrical portion 16 complete circumferentially this cylindrical portion 16 vertical direction outboard disc shape give prominence to.Have, above-mentioned passage 17 is formed on above-mentioned second and returns the top that portion 19 compares again.Then, by above-mentioned eddy current production part 11 is installed in above-mentioned dust collecting container 10, return between the portion 18 the first narrow slit portion 24 of interval that forms than the side 16A of the inwall 14A of above-mentioned whirlwind tube 14 and cylindrical portion 16 at the inwall 14A and first of above-mentioned whirlwind tube 14, and, return the formation second slit portion 25 between the portion 19 at the inwall 14A and second of above-mentioned whirlwind tube 14.
The effect of present embodiment then, is described.If make above-mentioned electric blowing machine 6 actions, then produce attraction air-flow F.This attracts air-flow F to flow into above-mentioned introduction part 13 with the dust of swept surface from said nozzle 4, rises in this introduction part 13.Then, the air-flow F1 that rises in this introduction part 13 is by above-mentioned changes direction end 15 conversion directions, and one side is along the inwall 14A cycle of above-mentioned whirlwind tube 14, and one side becomes the eddy current F2 of decline.At this moment, the dust that contains among this eddy current F2 is urged to above-mentioned inwall 14A because of centrifugal force.Then, above-mentioned eddy current F2 then changes into rising if arrive the bottom of above-mentioned whirlwind tube 14.At this moment, contained dust is trapped in the bottom of above-mentioned whirlwind tube 14 among the above-mentioned eddy current F2.Then, the air-flow F3 that rises in above-mentioned whirlwind tube 14 surmounts above-mentioned first and returns portion 18, by after the above-mentioned first slit portion 24, surmounts above-mentioned second and returns portion 19, by the above-mentioned second slit portion 25.Then, said flow F3 by above-mentioned filter 23, arrives above-mentioned electric blowing machine 6 after having passed through above-mentioned passage 17.Have, the air-flow F3 that has arrived this electric blowing machine 6 discharges outside above-mentioned main body of dust collector 2 from above-mentioned exhaust outlet 9 again.
In addition, exist tiny dust not separate, but residue in the situation among the air-flow F3 that in above-mentioned whirlwind tube 14, rises.But, because above-mentioned ascending air F3 cross the bottom that is formed on above-mentioned cylindrical portion 16 above-mentioned first when returning portion 18, the cycle stream F2 that flows near inwall 14A in the above-mentioned first slit portion 24 along above-mentioned whirlwind tube 14, so the part of contained tiny dust shifts to above-mentioned cycle stream F2 among the above-mentioned ascending air F3.Have again, because above-mentioned ascending air F3 cross the side 16A that is formed on above-mentioned cylindrical portion 16 and with above-mentioned first return that portion 18 compares above above-mentioned second when returning portion 19, the cycle stream F2 that flows near inwall 14A in the above-mentioned second slit portion 25 along above-mentioned whirlwind tube 14, so the part of contained tiny dust shifts to above-mentioned cycle stream F2 among the above-mentioned ascending air F3.In addition, because the dust of centrifugal action in above-mentioned cycle stream F2, so in above-mentioned each slit portion 24,25, dust contained among the cycle stream F2 is not substantially to the ascending air F3 transfer of side flow within it.So, contained tiny dust above-mentionedly respectively returned portion at 18,19 o'clock crossing among the said flow F3, and it measures minimizing.Then, the tiny dust that remains in slightly among the air-flow F3 also is removed during by above-mentioned filter 23 substantially at said flow F3.In addition, because being formed on above-mentioned second, the passage 17 of above-mentioned cylindrical portion 16 returns the top that portion 19 compares, promptly, in the downstream of above-mentioned ascending air F3, so said flow F3 is that minimal state is by above-mentioned passage 17 with the amount of dust, and then, by above-mentioned filter 23.Therefore, because can reduce the amount of the dust of catching by above-mentioned filter 23, so, be difficult to cause that the hole of above-mentioned filter 23 blocks.
In addition, above-mentioned first returns interval, above-mentioned first that portion 18 and second returns portion 19 returns width that the diameter, above-mentioned second of portion 18 returns the diameter of portion 19, above-mentioned each slit portion 24,25 because the shape of the shape of the output of above-mentioned electric blowing machine 6, above-mentioned whirlwind tube 14 and size, above-mentioned cylindrical portion 16 and size, the position of above-mentioned cylindrical portion 16 above-mentioned whirlwind tube 14 in etc., and its optimum value is also non-constant.But, to return the interval of portion 19 narrow if above-mentioned first returns portion 18 and second, then exist and surmounted the above-mentioned first ascending air F3 that returns portion 18 and can surmount above-mentioned second like this swimmingly and return portion 19, tiny dust contained among the said flow F3 is not fully removed, and blocks above-mentioned passage 17 or attached to the possibility of above-mentioned filter 23.Therefore, above-mentioned first returns interval that portion 18 and second returns portion 19 as shown in Figure 3, be necessary to be separated into following degree, promptly, above-mentioned ascending air F3 cross above-mentioned first return portion 18 after, can flow with the side 16A that is partial to above-mentioned cylindrical portion 16, and then the mode of leaving from the side 16A of above-mentioned cylindrical portion 16 surmounts above-mentioned second degree of returning portion 19 and flowing.In other words, above-mentioned first return portion 18 and second and return portion 19 and be necessary to leave the degree that between above-mentioned each slit portion 24,25 (higher pressure) and the space between them (lower pressure), produces pressure differential significantly.
As mentioned above, Cyclonic dust collector of the present invention has had the main body of dust collector 2 of electric blowing machine 6 built-in, dust collecting container 10 and the eddy current production part 11 that is accommodated in this dust collecting container 10, above-mentioned dust collecting container 10 has whirlwind tube 14, above-mentioned eddy current production part 11 has the cylindrical portion 16 that is coaxially installed in the above-mentioned whirlwind tube 14, form at the side of this cylindrical portion 16 16A and to make the passage 17 that is communicated with in above-mentioned electric blowing machine 6 and the above-mentioned whirlwind tube 14, have again, be provided with in the bottom of above-mentioned cylindrical portion 16 spread all over full week outstanding first return portion 18, and the side of above-mentioned cylindrical portion 16 16A be provided with spread all over full week outstanding second return portion 19, in view of the above, cross above-mentioned first when returning portion 18 at ascending air F3, the part of contained dust shifts to cycle stream F2 among this air-flow F3, and then, cross above-mentioned second when returning portion 19 at ascending air F3, the part of contained dust shifts to cycle stream F2 among this air-flow F3, therefore, can reduce the amount of dust contained among the air-flow F3 that the passage 17 on being formed at above-mentioned cylindrical portion 16 passes through.
In addition, return the top that portion 19 compares by above-mentioned passage 17 is arranged on above-mentioned second, that is, be arranged on the downstream with respect to above-mentioned ascending air F3, the air-flow F3 that dust has fully been reduced leads to above-mentioned passage 17.
Below, according to Fig. 4 to Fig. 6, second embodiment of the present invention is described.In addition, in the present embodiment, for convenience,, limit up and down and front and back according to the posture of Fig. 4.In addition, because Fig. 6 is the figure that main position of the present invention is simplified, so, be not consistent with the section of Fig. 4 and Fig. 5 exactly.The 31st, vertical electric vacuum cleaner of the present invention.This vertical electric vacuum cleaner 31 constitutes by the cyclone type dust collecting part 32, nozzle 4 and the operating grip 5 that have main body of dust collector 2, freely install with respect to these main body of dust collector 2 dismounting.
Above-mentioned main body of dust collector 2 built-in electric blowing machine 6 etc.In addition, the Embedded Division 8 that lower end side embeds and dismounting is freely fixing that is used for the rhabodoid 7 of aforesaid operations handle 5 is being set on the top of above-mentioned main body of dust collector 2.In addition, the 9th, exhaust outlet.
Above-mentioned cyclone type dust collecting part 32 is installed in the bottom of above-mentioned main body of dust collector 2, and under the state that is installed in this main body of dust collector 2, is communicated with above-mentioned electric blowing machine 6.Then, above-mentioned cyclone type dust collecting part 32 constitutes by the filter assemblies 12 in the cylindrical portion 34 that has the dust collecting container 10 that is made of transparent synthetic resin, the eddy current production part 33 that is accommodated in this dust collecting container 10, is accommodated in this eddy current production part 33.Above-mentioned dust collecting container 10 is integrally formed by the open whirlwind tube 14 cylindric or inverted cone-shaped in the introduction part cylindraceous 13 of both ends open up and down and upper end.Then, above-mentioned eddy current production part 33 is inserted in above-mentioned dust collecting container 10 from dust collecting container 10 upper end side.In addition, the lower end dismounting in the introduction part 13 of above-mentioned dust collecting container 10 freely is installed with said nozzle 4.Above-mentioned eddy current production part 33 by have changes direction end 15, above-mentioned cylindrical portion 34 constitutes.Above-mentioned changes direction end 15 is to be installed in above-mentioned eddy current production part 33 under the state of above-mentioned dust collecting container 10, and the mode that covers the upper end open portion of above-mentioned introduction part 13 constitutes.Then, above-mentioned changes direction end 15 so that the air-flow F1 that rises in above-mentioned introduction part 13 constitute to mode along the direction conversion of the inwall 14A of above-mentioned whirlwind tube 14.In addition, above-mentioned cylindrical portion 34 has formed the round-ended cylinder shape, and forms a plurality of passages 35 at its side 34A.Have again, form first in the bottom of above-mentioned cylindrical portion 34 and return portion 36, and in the bottom of the side of above-mentioned cylindrical portion 34 34A, form second at interval at the axially-spaced of above-mentioned cylindrical portion 34 and return portion 37 and the 3rd and return portion 38.Then, above-mentioned filter assembly 12 by have the base portion 21 that formed through hole 20, extend the filter frame 22 that ground is provided with around the above-mentioned through hole 20 downwards, the filter 23 that is supported by this filter frame 22 constitutes.
Elaborate above-mentioned cylindrical portion 34.Above-mentioned first to return portion 36 outstanding with the vertical direction outside that the bottom from above-mentioned cylindrical portion 34 begins to spread all over complete circumferentially this cylindrical portion 34, and its front bending, and the mode of Yan Shening constitutes downwards.In addition, above-mentioned second return portion 37 and the 3rd return portion 38 begin to spread all over from the side 34A of above-mentioned cylindrical portion 34 complete circumferentially this cylindrical portion 34 vertical direction outboard disc shape give prominence to.Have, above-mentioned passage 35 is formed on the above-mentioned the 3rd and returns the top that portion 38 compares again.Then, by above-mentioned eddy current production part 33 is installed in above-mentioned dust collecting container 10, inwall 14A and first at above-mentioned whirlwind tube 14 returns between the portion 36, formation is than the first narrow slit portion 39 of interval of the side 34A of the inwall 14A of above-mentioned whirlwind tube 14 and cylindrical portion 34, return the formation second slit portion 40 between the portion 37 at the inwall 14A and second of above-mentioned whirlwind tube 14, and return formation the 3rd slit portion 41 between the portion 38 at the inwall 14A and the 3rd of above-mentioned whirlwind tube 14.
The effect of present embodiment then, is described.If make above-mentioned electric blowing machine 6 actions, then produce attraction air-flow F.This attracts air-flow F to flow into above-mentioned introduction part 13 with the dust of swept surface from said nozzle 4, rises in this introduction part 13.Then, the air-flow F1 that rises in this introduction part 13 is by above-mentioned changes direction end 15 conversion directions, and one side is along the inwall 14A cycle of above-mentioned whirlwind tube 14, and one side becomes the eddy current F2 of decline.At this moment, the dust that contains among this eddy current F2 is urged to above-mentioned inwall 14A because of centrifugal force.Then, above-mentioned eddy current F2 then changes into rising if arrive the bottom of above-mentioned whirlwind tube 14.At this moment, contained dust is trapped in the bottom of above-mentioned whirlwind tube 14 among the above-mentioned eddy current F2.Then, the air-flow F3 that rises in above-mentioned whirlwind tube 14 surmounts above-mentioned first and returns portion 36, after passing through the above-mentioned first slit portion 39, surmount above-mentioned second and return portion 37, by the above-mentioned second slit portion 40, and then surmount the above-mentioned the 3rd and return portion 38, by above-mentioned the 3rd slit portion 41.Then, said flow F3 by above-mentioned filter 23, arrives above-mentioned electric blowing machine 6 after having passed through above-mentioned passage 35.Have, the air-flow F3 that has arrived this electric blowing machine 6 discharges outside above-mentioned main body of dust collector 2 from above-mentioned exhaust outlet 9 again.
In addition, exist tiny dust not separate, but residue in the situation among the air-flow F3 that in above-mentioned whirlwind tube 14, rises.But, because above-mentioned ascending air F3 cross the bottom that is formed on above-mentioned cylindrical portion 34 above-mentioned first when returning portion 36, the cycle stream F2 that flows near inwall 14A in the above-mentioned first slit portion 39 along above-mentioned whirlwind tube 14, so the part of contained tiny dust shifts to above-mentioned cycle stream F2 among the above-mentioned ascending air F3.In addition, because above-mentioned ascending air F3 cross the side 34A that is formed on above-mentioned cylindrical portion 34 and with above-mentioned first return that portion 36 compares above above-mentioned second when returning portion 37, the cycle stream F2 that flows near inwall 14A in the above-mentioned second slit portion 40 along above-mentioned whirlwind tube 14, so the part of contained tiny dust shifts to above-mentioned cycle stream F2 among the above-mentioned ascending air F3.Have again, because above-mentioned ascending air F3 cross the side 34A that is formed on above-mentioned cylindrical portion 34 and with above-mentioned second return that portion 37 compares above the above-mentioned the 3rd when returning portion 38, the cycle stream F2 that flows near inwall 14A in above-mentioned the 3rd slit portion 41 along above-mentioned whirlwind tube 14, so the part of contained tiny dust shifts to above-mentioned cycle stream F2 among the above-mentioned ascending air F3.In addition, because the dust of centrifugal action in above-mentioned cycle stream F2, so in above-mentioned each slit portion 39,40,41, dust contained among the cycle stream F2 is not substantially to the ascending air F3 transfer of side flow within it.So, contained tiny dust above-mentionedly respectively returned portion at 36,37,38 o'clock crossing among the said flow F3, and it measures minimizing.Then, the tiny dust that remains in slightly among the air-flow F3 also is removed during by above-mentioned filter 23 substantially at said flow F3.In addition, because being formed on the above-mentioned the 3rd, the passage 35 of above-mentioned cylindrical portion 34 returns the top that portion 38 compares, promptly, be formed on the downstream of above-mentioned ascending air F3, so said flow F3 is that minimal state is by above-mentioned passage 35 with the amount of dust, and then, by above-mentioned filter 23.Therefore, because can reduce the amount of the dust of catching by above-mentioned filter 23, so, be difficult to cause that the hole of above-mentioned filter 23 blocks.
In addition, above-mentioned each other the interval of portion 36,37,38, the above-mentioned width that respectively returns the diameter of portion 36,37,38, above-mentioned each slit portion 39,40,41 respectively returned is according to the shape of the shape of the output of above-mentioned electric blowing machine 6, above-mentioned whirlwind tube 14 and size, above-mentioned cylindrical portion 34 and size, the position of above-mentioned cylindrical portion 34 in above-mentioned whirlwind tube 14 etc., and its optimum value is also non-constant.But, if above-mentioned respectively to return portion 36,37,38 interval each other narrow, then exist and surmounted the above-mentioned first ascending air F3 that returns portion 36 and can surmount the above-mentioned the 3rd swimmingly like this and return portion 38, tiny dust contained among the said flow F3 is not fully removed, and blocks above-mentioned passage 35 or attached to the possibility of above-mentioned filter 23.Therefore, above-mentionedly respectively return portion 36,37,38 interval each other as shown in Figure 6, be necessary to be separated into following degree, promptly, above-mentioned ascending air F3 cross above-mentioned first return portion 36 after, flow with the side 34A that is partial to above-mentioned cylindrical portion 34, the mode of leaving from the side 34A of above-mentioned cylindrical portion 34 surmounts above-mentioned second and returns portion 37 and flow, and then, after the side 34A of the above-mentioned cylindrical portion 34 of deflection flowed, the mode that can leave with the side 34A from above-mentioned cylindrical portion 34 surmounted the above-mentioned the 3rd degree of returning portion 38 and flowing.In other words, the above-mentioned portion 36,37,38 that respectively returns is necessary to leave the degree that produces pressure differential between above-mentioned each slit portion 39,40,41 (higher pressure) and the space between them (lower pressure) significantly each other.
As mentioned above, Cyclonic dust collector 31 of the present invention has had the main body of dust collector 2 of electric blowing machine 6 built-in, dust collecting container 10 and the eddy current production part 33 that is accommodated in this dust collecting container 10, above-mentioned dust collecting container 10 has whirlwind tube 14, above-mentioned eddy current production part 33 has the cylindrical portion 34 that is coaxially installed in the above-mentioned whirlwind tube 14, form at the side of this cylindrical portion 34 34A and to make the passage 35 that is communicated with in above-mentioned electric blowing machine 6 and the above-mentioned whirlwind tube 14, have again, be provided with in the bottom of above-mentioned cylindrical portion 34 spread all over full week outstanding first return portion 36, and at the side of above-mentioned cylindrical portion 34 34A, axially-spaced interval in above-mentioned cylindrical portion 34, setting spreads all over outstanding second the returning portion 37 and the 3rd and return portion 38 of full week, in view of the above, cross above-mentioned first when returning portion 36 at ascending air F3, the part of contained dust shifts to cycle stream F2 among this air-flow F3, cross above-mentioned second when returning portion 37 at ascending air F3, the part of contained dust shifts to cycle stream F2 among this air-flow F3, have again, cross the above-mentioned the 3rd when returning portion 38 at ascending air F3, the part of contained dust shifts to cycle stream F2 among this air-flow F3, therefore, can reduce the amount of dust contained among the air-flow F3 that the passage 35 on being formed at above-mentioned cylindrical portion 34 passes through.
In addition, return the top that portion 38 compares by above-mentioned passage 35 is arranged on the above-mentioned the 3rd, that is, be arranged on the downstream with respect to above-mentioned ascending air F3, the air-flow F3 that dust has fully been reduced leads to above-mentioned passage 35.
Then, according to Fig. 7 to Fig. 9, the 3rd embodiment of the present invention is described.In addition, in the present embodiment, for convenience,, limit up and down and front and back according to the posture of Fig. 7.In addition, because Fig. 9 is the figure that main position of the present invention is simplified, so, be not consistent with the section of Fig. 7 and Fig. 8 exactly.The 51st, vertical electric vacuum cleaner of the present invention.This vertical electric vacuum cleaner 51 constitutes by the cyclone type dust collecting part 52, nozzle 4 and the operating grip 5 that have main body of dust collector 2, freely install with respect to these main body of dust collector 2 dismounting.
Above-mentioned main body of dust collector 2 built-in electric blowing machine 6 etc.In addition, the Embedded Division 8 that lower end side embeds and dismounting is freely fixing that is used for the rhabodoid 7 of aforesaid operations handle 5 is being set on the top of above-mentioned main body of dust collector 2.In addition, the 9th, exhaust outlet.
Above-mentioned cyclone type dust collecting part 52 is installed in the bottom of above-mentioned main body of dust collector 2, and under the state that is installed in this main body of dust collector 2, is communicated with above-mentioned electric blowing machine 6.Then, above-mentioned cyclone type dust collecting part 52 constitutes by the filter assemblies 12 in the cylindrical portion 54 that has the dust collecting container 10 that is made of transparent synthetic resin, the eddy current production part 53 that is accommodated in this dust collecting container 10, is accommodated in this eddy current production part 53.The whirlwind tube 14 cylindric or inverted cone-shaped that above-mentioned dust collecting container 10 is opened by the introduction part cylindraceous 13 and the upper end of above-mentioned both ends open is integrally formed.Then, above-mentioned eddy current production part 53 is inserted in above-mentioned dust collecting container 10 from dust collecting container 10 upper end side.In addition, the lower end dismounting in the introduction part 13 of above-mentioned dust collecting container 10 freely is installed with said nozzle 4.Above-mentioned eddy current production part 53 by have changes direction end 15, above-mentioned cylindrical portion 54 constitutes.Above-mentioned changes direction end 15 is to be installed in above-mentioned eddy current production part 53 under the state of above-mentioned dust collecting container 10, and the mode that covers the upper end open portion of above-mentioned introduction part 13 constitutes.Then, above-mentioned changes direction end 15 so that the air-flow F1 that rises in above-mentioned introduction part 13 constitute to mode along the direction conversion of the inwall 14A of above-mentioned whirlwind tube 14.In addition, above-mentioned cylindrical portion 54 has formed the round-ended cylinder shape, and forms a plurality of passages 55 at its side 54A.In addition, the lower end of above-mentioned cylindrical portion 54 arrives the bottom of above-mentioned whirlwind tube 14.Have again,, at the axially-spaced of above-mentioned cylindrical portion 54 at interval, form first and return portion 56, second and return portion 57 and the 3rd and return portion 58 in the substantial middle portion of the side of above-mentioned cylindrical portion 54 54A.Then, above-mentioned filter assembly 12 by have the base portion 21 that formed through hole 20, extend the filter frame 22 that ground is provided with around the above-mentioned through hole 20 downwards, the filter 23 that is supported by this filter frame 22 constitutes.
Elaborate above-mentioned cylindrical portion 54.Above-mentioned first return portion 56, second return portion 57 and the 3rd return portion 58 begin to spread all over from the side 54A of above-mentioned cylindrical portion 54 complete circumferentially this cylindrical portion 54 vertical direction outboard disc shape give prominence to.Have, above-mentioned passage 55 is formed on the above-mentioned the 3rd and returns the top that portion 58 compares again.Then, by above-mentioned eddy current production part 53 is installed in above-mentioned dust collecting container 10, inwall 14A and first at above-mentioned whirlwind tube 14 returns between the portion 56, formation is than the first narrow slit portion 59 of interval of the side 54A of the inwall 14A of above-mentioned whirlwind tube 14 and cylindrical portion 54, return the formation second slit portion 60 between the portion 57 at the inwall 14A and second of above-mentioned whirlwind tube 14, and return formation the 3rd slit portion 61 between the portion 58 at the inwall 14A and the 3rd of above-mentioned whirlwind tube 14.
The effect of present embodiment then, is described.If make above-mentioned electric blowing machine 6 actions, then produce attraction air-flow F.This attracts air-flow F to flow into above-mentioned introduction part 13 with the dust of swept surface from said nozzle 4, rises in this introduction part 13.Then, the air-flow F1 that rises in this introduction part 13 is by above-mentioned changes direction end 15 conversion directions, and one side is along the inwall 14A cycle of above-mentioned whirlwind tube 14, and one side becomes the eddy current F2 of decline.At this moment, the dust that contains among this eddy current F2 is urged to above-mentioned inwall 14A because of centrifugal force.Then, above-mentioned eddy current F2 then changes into rising if arrive the bottom of above-mentioned whirlwind tube 14.At this moment, contained dust is trapped in the bottom of above-mentioned whirlwind tube 14 among the above-mentioned eddy current F2.Then, the air-flow F3 that rises in above-mentioned whirlwind tube 14 surmounts above-mentioned first and returns portion 56, after passing through the above-mentioned first slit portion 59, surmount above-mentioned second and return portion 57, by the above-mentioned second slit portion 60, and then, surmount the above-mentioned the 3rd and return portion 58, by above-mentioned the 3rd slit portion 61.Then, said flow F3 by above-mentioned filter 23, arrives above-mentioned electric blowing machine 6 after having passed through above-mentioned passage 55.Have, the air-flow F3 that has arrived this electric blowing machine 6 discharges outside above-mentioned main body of dust collector 2 from above-mentioned exhaust outlet 9 again.
In addition, exist tiny dust not separate, but residue in the situation among the air-flow F3 that in above-mentioned whirlwind tube 14, rises.But, because above-mentioned ascending air F3 cross the side 54A that is formed on above-mentioned cylindrical portion 54 above-mentioned first when returning portion 56, the cycle stream F2 that flows near inwall 14A in the above-mentioned first slit portion 59 along above-mentioned whirlwind tube 14, so the part of contained tiny dust shifts to above-mentioned cycle stream F2 among the above-mentioned ascending air F3.In addition, because above-mentioned ascending air F3 cross the side 54A that is formed on above-mentioned cylindrical portion 54 and with above-mentioned first return that portion 56 compares above above-mentioned second when returning portion 57, the cycle stream F2 that flows near inwall 14A in the above-mentioned second slit portion 60 along above-mentioned whirlwind tube 14, so the part of contained tiny dust shifts to above-mentioned cycle stream F2 among the above-mentioned ascending air F3.Have again, because above-mentioned ascending air F3 cross the side 54A that is formed on above-mentioned cylindrical portion 54 and with above-mentioned second return that portion 57 compares above the above-mentioned the 3rd when returning portion 58, the cycle stream F2 that flows near inwall 14A in above-mentioned the 3rd slit portion 61 along above-mentioned whirlwind tube 14, so the part of contained tiny dust shifts to above-mentioned cycle stream F2 among the above-mentioned ascending air F3.In addition, because the dust of centrifugal action in above-mentioned cycle stream F2, so in above-mentioned each slit portion 59,60,61, dust contained among the cycle stream F2 is not substantially to the ascending air F3 transfer of side flow within it.So, contained tiny dust above-mentionedly respectively returned portion at 56,57,58 o'clock crossing among the said flow F3, and it measures minimizing.Then, the tiny dust that remains in slightly among the air-flow F3 also is removed during by above-mentioned filter 23 substantially at said flow F3.In addition, because the passage 55 of above-mentioned cylindrical portion 54 is formed on the above-mentioned the 3rd and returns the top that portion 58 compares, promptly, be formed on the downstream of above-mentioned ascending air F3, so said flow F3 is minimal state with the amount of dust, by above-mentioned passage 55, and then, by above-mentioned filter 23.Therefore, because can reduce the amount of the dust of catching by above-mentioned filter 23, so, be difficult to cause that the hole of above-mentioned filter 23 blocks.
In addition, above-mentioned each other the interval of portion 56,57,58, the above-mentioned width that respectively returns the diameter of portion 56,57,58, above-mentioned each slit portion 59,60,61 respectively returned is according to the shape of the shape of the output of above-mentioned electric blowing machine 6, above-mentioned whirlwind tube 14 and size, above-mentioned cylindrical portion 54 and size, the position of above-mentioned cylindrical portion 54 in above-mentioned whirlwind tube 14 etc., and its optimum value is also non-constant.But, if above-mentioned respectively to return portion 56,57,58 interval each other narrow, then exist and surmounted the above-mentioned first ascending air F3 that returns portion 56 and can surmount the above-mentioned the 3rd swimmingly like this and return portion 58, tiny dust contained among the said flow F3 is not fully removed, and blocks above-mentioned passage 55 or attached to the possibility of above-mentioned filter 23.Therefore, above-mentionedly respectively return portion 56,57,58 interval each other as shown in Figure 9, be necessary to be separated into following degree, promptly, above-mentioned ascending air F3 cross above-mentioned first return portion 56 after, flow with the side 54A that is partial to above-mentioned cylindrical portion 54, the mode of leaving from the side 54A of above-mentioned cylindrical portion 54 surmounts above-mentioned second and returns portion 57 and flow, and then, after the side 54A of the above-mentioned cylindrical portion 54 of deflection flowed, the mode that can leave with the side 54A from above-mentioned cylindrical portion 54 surmounted the above-mentioned the 3rd degree of returning portion 58 and flowing.In other words, the above-mentioned portion 56,57,58 that respectively returns is necessary to leave the degree that produces pressure differential between above-mentioned each slit portion 59,60,61 (higher pressure) and the space between them (lower pressure) significantly each other.
As mentioned above, Cyclonic dust collector 51 of the present invention has had the main body of dust collector 2 of electric blowing machine 6 built-in, dust collecting container 10 and the eddy current production part 53 that is accommodated in this dust collecting container 10, above-mentioned dust collecting container 10 has whirlwind tube 14, above-mentioned eddy current production part 53 has the cylindrical portion 54 that is coaxially installed in the above-mentioned whirlwind tube 14, form at the side of this cylindrical portion 54 54A and to make the passage 55 that is communicated with in above-mentioned electric blowing machine 6 and the above-mentioned whirlwind tube 14, have again, at the side of above-mentioned cylindrical portion 54 54A, axially-spaced interval in above-mentioned cylindrical portion 54, setting spread all over full week outstanding first return portion 56, second returns portion 57 and the 3rd returns portion 58, in view of the above, cross above-mentioned first when returning portion 56 at ascending air F3, the part of contained dust shifts to cycle stream F2 among this air-flow F3, cross above-mentioned second when returning portion 57 at ascending air F3, the part of contained dust shifts to cycle stream F2 among this air-flow F3, have again, cross the above-mentioned the 3rd when returning portion 58 at ascending air F3, the part of contained dust shifts to cycle stream F2 among this air-flow F3, therefore, can reduce the amount of dust contained among the air-flow F3 that the passage 55 on being formed at above-mentioned cylindrical portion 54 passes through.
In addition, return the top that portion 58 compares by above-mentioned passage 55 is arranged on the above-mentioned the 3rd, that is, be arranged on the downstream with respect to above-mentioned ascending air F3, the air-flow F3 that dust has fully been reduced leads to above-mentioned passage 55.
In addition, the present invention is not limited by above-mentioned embodiment, can carry out various distortion and implement in the scope of the purport of inventing.For example, though in the respective embodiments described above, formed two or three and returned portion,, as long as can fully separate mutual interval, also can form more than four.In addition, being vertical electric vacuum cleaner in the respective embodiments described above, still, also can be horizontal electric vacuum cleaner.
Symbol description
1,31,51: vertical electric dust collector; 2: main body of dust collector; 3,32,52: the cyclone type dust collecting part; 6: electric blowing machine; 14: cyclone cylinder; 16,34,54: cylindrical portion; 16A, 34A, 54A: side; 17,35,55: passage; 18,36, return section's (returning section) at 56: the first; 19,37, return section's (returning section) at 57: the second; 38, returned section's (returning section) in 58: the three.
Claims (2)
1. Cyclonic dust collector, described Cyclonic dust collector has the main body of dust collector that is built-in with electric blowing machine, whirlwind tube, is installed on cylindrical portion in this whirlwind tube coaxially, at the passage that the formation of the side of this cylindrical portion makes in the above-mentioned whirlwind tube and above-mentioned electric blowing machine is communicated with
It is characterized in that, be provided with and a plurality ofly begin to spread all over the outstanding portion that returns of full week from above-mentioned cylindrical portion.
2. Cyclonic dust collector as claimed in claim 1 is characterized in that, is benchmark to cross the air-flow that is arranged on the portion that returns on the above-mentioned cylindrical portion, is provided with above-mentioned passage in the downstream of comparing with any one portion of returning.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-190471 | 2009-08-19 | ||
| JP2009190471A JP2011041613A (en) | 2009-08-19 | 2009-08-19 | Cyclonic cleaner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101991391A true CN101991391A (en) | 2011-03-30 |
| CN101991391B CN101991391B (en) | 2014-11-12 |
Family
ID=43782514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010227894.XA Expired - Fee Related CN101991391B (en) | 2009-08-19 | 2010-07-08 | Cyclonic dust collector |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2011041613A (en) |
| CN (1) | CN101991391B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908104A (en) * | 2011-08-05 | 2013-02-06 | 松下电器产业株式会社 | Electric vacuum cleaner |
| CN114260031A (en) * | 2020-09-25 | 2022-04-01 | 博奥生物集团有限公司 | Biological safety cabinet |
| US11440029B2 (en) | 2020-10-13 | 2022-09-13 | Mullet Tools, LLC | Monolithic dust separator |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6918622B2 (en) * | 2017-08-08 | 2021-08-11 | 日立グローバルライフソリューションズ株式会社 | Vacuum cleaner |
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| CN2478526Y (en) * | 2001-03-17 | 2002-02-27 | 广东美的集团股份有限公司 | Centrifugal separating dust-collecting device for vacuum suction cleaner |
| GB2385812A (en) * | 2002-02-28 | 2003-09-03 | Samsung Kwangju Electronics Co | Grill cleaning member for cyclone dust cleaning apparatus |
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| JPS5676928A (en) * | 1979-11-29 | 1981-06-24 | Matsushita Electric Ind Co Ltd | Electric cleaner |
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| JP2006325883A (en) * | 2005-05-25 | 2006-12-07 | Twinbird Corp | Vacuum cleaner |
| JP4478191B2 (en) * | 2008-08-22 | 2010-06-09 | シャープ株式会社 | Cyclone separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2478526Y (en) * | 2001-03-17 | 2002-02-27 | 广东美的集团股份有限公司 | Centrifugal separating dust-collecting device for vacuum suction cleaner |
| GB2385812A (en) * | 2002-02-28 | 2003-09-03 | Samsung Kwangju Electronics Co | Grill cleaning member for cyclone dust cleaning apparatus |
| US6896719B2 (en) * | 2002-09-26 | 2005-05-24 | The Hoover Company | Dirt collecting system for a floor care appliance |
| CN201019677Y (en) * | 2007-03-19 | 2008-02-13 | 苏州金莱克家用电器有限公司 | Dust removing device for dust collector |
| CN201019675Y (en) * | 2007-04-06 | 2008-02-13 | 苏州金莱克家用电器有限公司 | Dust removing device for dust collector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908104A (en) * | 2011-08-05 | 2013-02-06 | 松下电器产业株式会社 | Electric vacuum cleaner |
| CN102908104B (en) * | 2011-08-05 | 2016-12-21 | 松下电器产业株式会社 | Electric dust collector |
| CN114260031A (en) * | 2020-09-25 | 2022-04-01 | 博奥生物集团有限公司 | Biological safety cabinet |
| US11440029B2 (en) | 2020-10-13 | 2022-09-13 | Mullet Tools, LLC | Monolithic dust separator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011041613A (en) | 2011-03-03 |
| CN101991391B (en) | 2014-11-12 |
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