CN104042166A - Electric Cleaner - Google Patents

Electric Cleaner Download PDF

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Publication number
CN104042166A
CN104042166A CN201310731774.7A CN201310731774A CN104042166A CN 104042166 A CN104042166 A CN 104042166A CN 201310731774 A CN201310731774 A CN 201310731774A CN 104042166 A CN104042166 A CN 104042166A
Authority
CN
China
Prior art keywords
dust
filtration filter
filter portion
container body
vacuum cleaner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310731774.7A
Other languages
Chinese (zh)
Other versions
CN104042166B (en
Inventor
高井保志
江部清
铃木仁
小嶋健司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Toshiba Lifestyle Products and Services Corp
Original Assignee
Toshiba Corp
Toshiba Consumer Electronics Holdings Corp
Toshiba Home Appliances Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2013052325A external-priority patent/JP6494900B2/en
Priority claimed from JP2013052326A external-priority patent/JP2014176501A/en
Application filed by Toshiba Corp, Toshiba Consumer Electronics Holdings Corp, Toshiba Home Appliances Corp filed Critical Toshiba Corp
Publication of CN104042166A publication Critical patent/CN104042166A/en
Application granted granted Critical
Publication of CN104042166B publication Critical patent/CN104042166B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16Arrangement or disposition of cyclones or other devices with centrifugal action
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Abstract

The invention provides an electric cleaner. Fiber-shaped dust is not liable to be attached to the electric cleaner of a cylindrical filter in a cylindrical container main body in a reeled manner. The electric cleaner (1) comprises a cylindrical container main body (35), a cylindrical first filter part (37), a separation part (38) and a rotary support part (41); the first filter part is shorter than and stored in the container main body (35), and an annular division chamber (51) is formed between the first filter part and the container main body (35); the diameter of the separation part is bigger than that of the first filter part (37), the outer diameter is smaller than that of the container main body (35), and a dust collecting chamber (52) which is communicated with the separation chamber (51) which is adjoined to one end part of the first filter part (37) is formed; and by taking the central line (C) of the container main body (35), the rotary supporting part (41) freely rotates to support the first filter part (37).

Description

Electric vacuum cleaner
Technical field
Embodiments of the present invention relate to electric vacuum cleaner.
Background technology
Well-known is the electric vacuum cleaner of centrifugation mode, and it comprises: the container body of drum; And filtration filter, be accommodated in container body and and container body between form the separation chamber of ring-type.This existing electric vacuum cleaner makes air and dust centrifugation by the swirling flow producing in separation chamber.
[prior art document]
[patent documentation]
Patent documentation 1: Japanese Patent Laid-Open 2012-236042 communique
Patent documentation 2: Japanese Patent Laid-Open 2011-177294 communique
Summary of the invention
[inventing problem to be solved]
In addition, in the dust that electric vacuum cleaner sucks, except the dust of granular or powdery, also comprise as the fibrous dust as line bits or hair.And, surpass the rectangular fibrous dust occasional twisting cohesion of the outer perimeter that filters filter portion in filtering filter portion.
Once fibrous dust twisting cohesion, in filtering filter, is difficult to untie.At fibrous dust twisting cohesion in the situation that filtering filter, the user of electric vacuum cleaner must utilize the dust of the cut staple shapes such as scissors, or hale and break fibrous dust and be removed, thereby to filter aspect the safeguarding of filter, this external health aspect produces unfavorable condition.
Thus, the object of the invention is to obtain a kind of fibrous dust and be difficult for twisting cohesion in the electric vacuum cleaner of filtration filter of drum that is accommodated in the container body inside of drum.
[technological means of dealing with problems]
For solving described problem, the electric vacuum cleaner of embodiments of the present invention comprises: the container body of drum; Filter filter portion, be compared with the short drum of described container body and be accommodated in described container body, and described container body between form the separation chamber of ring-type; Isolation part, is the large and little shape of the more described container body of external diameter of the more described filtration filter of diameter portion, forms the dust storage chamber arranging in the mutual adjacent mode being communicated with in described separation chamber with being adjacent to an end of described filtration filter portion; And rotary supporting part, the center line of described container body of take supports described filtration filter portion freely as rotating shaft rotates.
In addition, described electric vacuum cleaner comprise take described container body center line as rotating shaft respectively individually rotation support freely the rotary supporting part of described filtration filter portion and described isolation part.
Thus, can obtain fibrous dust and be difficult for twisting cohesion in the electric vacuum cleaner of the filtration filter of drum.
Accompanying drawing explanation
Fig. 1 means the stereogram of outward appearance of the electric vacuum cleaner of embodiments of the present invention.
Fig. 2 is the longitudinal section of dust separation dust collect plant that schematically shows the electric vacuum cleaner of the 1st embodiment of the present invention.
Fig. 3 mean the 1st embodiment of the present invention electric vacuum cleaner first filter the stereogram of filter portion.
Fig. 4 (a), Fig. 4 (b), Fig. 4 (c) are the cross-sectional views that schematically shows the dust separation dust collect plant of existing electric vacuum cleaner.
Fig. 5 is the longitudinal section that schematically shows the dust separation dust collect plant of existing electric vacuum cleaner.
Fig. 6 (a), Fig. 6 (b), Fig. 6 (c), Fig. 6 (d) are the cross-sectional views of dust separation dust collect plant that schematically shows the electric vacuum cleaner of the 1st embodiment of the present invention.
Fig. 7 is the longitudinal section of dust separation dust collect plant that schematically shows the electric vacuum cleaner of the 1st embodiment of the present invention.
Fig. 8 is the longitudinal section of dust separation dust collect plant that schematically shows the electric vacuum cleaner of the 2nd embodiment of the present invention.
The explanation of symbol:
1: electric vacuum cleaner
2: main body of dust collector
3: pipe portion
5: main body cover
6: wheel
7: dust separation dust collect plant
8: electric blowing machine
9: main body control portion
11: power line
12: main body connector
14: insert plug
19: tube connector
21: dust collection hose
22: operation is on hand managed
23: grip part
24: operating portion
24a: shutdown switch
24b: starting switch
25: extension tube
26: section port body
28: suction inlet
29: rotary cleaning body
31: motor
35: container body
35a: sidewall
36: suction line
Filter filter portion at 37: the first
37a: diapire
38: isolation part
39: return to the filter portion of filtering
41,141: rotary supporting part
42: tegmental wall
42a: opening
43: bleed pipe
Filter filter portion at 45: the second
47: open end
48: blind end
51: separation chamber
52: dust storage chamber
53: conformal frame
Filter filter at 55: the first
56: members of frame
57: members of frame
58: opening
59,61,62: gap
63: sidewall
65: the first axle core maintaining parts
66: the second axle core maintaining parts
67,167: axle core
68,168: clutch shaft bearing
69,169: the second bearings
71,171: aggregate
72: the first axle core half portions
73: the second axle core half portions
75: impedance body
76,176: clutch shaft bearing maintaining part
77,177: the second bearing cages
78: aggregate
79,179: stepped fitting portion
81: sealing
82: exhaust wind path
83: wing plate
101: container body
Filter filter portion at 102: the first
103: isolation part
104: electric vacuum cleaner
105: dust separation dust collect plant
106: filter filter
166: axle core maintaining part
172:C shape ring
173: areola
175: groove
C: center line
F: swirling flow
Fi: dust
R: solid arrow
The specific embodiment
With reference to comprising the Fig. 1 to Fig. 7 for the existing figure of comparative descriptions, the embodiment of the electric vacuum cleaner of the 1st embodiment of the present invention is described.
Fig. 1 means the stereogram of outward appearance of the electric vacuum cleaner of embodiments of the present invention.
As shown in Figure 1, the electric vacuum cleaner 1 of present embodiment is so-called case (canister) type electric vacuum cleaner.Electric vacuum cleaner 1 comprises and can and freely be loaded and unloaded on the pipe portion 3 of main body of dust collector 2 at the main body of dust collector 2 by mobile on cleaning face.Main body of dust collector 2 is connected with pipe portion 3.
Main body of dust collector 2 comprises: main body cover (case) 5; Pair of wheels 6, is configured in respectively the left and right sides side of main body cover 5; Dust separation dust collect plant 7, is configured in the first half of main body cover 5, and loads and unloads freely; Electric blowing machine 8, is accommodated in the latter half of of main body cover 5; Main body control portion 9, major control electric blowing machine 8; And power line (cord) 11, to electric blowing machine 8, import electric power.
The driven by power electric blowing machine 8 of main body of dust collector 2 to supply with via power line 11, the suction function that makes to follow the driving of electric blowing machine 8 and produce is in pipe portion 3, air (hereinafter referred to as " dust laden air ") by pipe portion 3 from being contained dust by the suction of cleaning face, from dust laden air dust-separating, trap and accumulate the dust after separation, and discharging the air after separation.
In the front portion of main body cover 5, be provided with main body connector 12.Main body connector 12 be dust laden air to the entrance of main body of dust collector 2, and be communicated with tube connector portion 3 and dust separation dust collect plant 7.
The wheel 6 that is arranged on the two sides of main body cover 5 is large diameter movable pulley, supports main body of dust collector 2.
The air that contain dust (hereinafter referred to as " the dust laden air ") dust-separating of dust separation dust collect plant 7 from the negative pressure that produces by electric blowing machine 8 and from being flowed into via pipe portion 3 and main body connector 12 by cleaning face, and trapping, accumulate this dust.On the other hand, dust separation dust collect plant 7 is sent the clean air that removes dust into electric blowing machine 8.Electric blowing machine 8 is by the air discharge to main body of dust collector 2 sucking from dust separation dust collect plant 7.
Herein, dust separation dust collect plant 7 adopts centrifugation modes, by swirling flow by dust and air separation.
Main body control portion 9 comprises the storage device (omitting diagram) of various operation programs (program) that microprocessor (microprocessor) (omit diagram) and storage microprocessor carry out, parameter (parameter) etc.The predefined multiple operation mode of memory device stores (mode).The operation that predefined multiple operation mode carries out from operating portion 24 corresponding to user.
Each operation mode is set as mutually different input value (input value of electric blowing machine 8).Main body control portion 9 is corresponding to user's operation, and from predefined multiple operation mode uniqueness select the arbitrarily operation mode corresponding with its content of operation and read this operation mode from storage part, and control electric blowing machine 8 according to read operation mode.
Free end at power line 11 is provided with insertion plug (plug) 14.
Pipe portion 3 also guides this dust laden air from sucked dust laden air by cleaning face by the negative suction from main body of dust collector 2 to main body of dust collector 2.Pipe portion 3 comprises: tube connector 19, loads and unloads and is connected in freely main body of dust collector 2 as joint; Dust collection hose (hose) 21, is connected in tube connector 19; Operation pipe 22 on hand, are connected in dust collection hose 21; Grip part 23, from operation pipe 22 is outstanding on hand; Operating portion 24, is arranged at grip part 23; Extension tube 25, handling are connected in operation pipe 22 on hand freely; And section port body 26, handling are connected in extension tube 25 freely.
Tube connector 19, for to be freely loaded and unloaded on the joint of main body connector 12, to be communicated with and to be connected in dust separation dust collect plant 7 by main body connector 12.
Dust collection hose 21 is the flexible pipe of rectangular and flexible general cylindrical shape shape.One end of dust collection hose 21 end of the downstream on the flow direction of dust laden air (herein for) is connected in tube connector 19.
22 relaying dust collection hose 21 and extension tubes 25 are managed in operation on hand.An end (end of downstream side) of operation pipe 22 is connected in the other end (end of upstream side) of dust collection hose 21 on hand.
Grip part 23 grips to operate the part of electric vacuum cleaner 1 for user with hand, be suitable shape that user can easily grip and from operation pipe 22 is outstanding on hand.
Operating portion 24 comprises with multiple operation mode sets up corresponding switch (switch).Particularly, operating portion 24 comprises: shutdown switch 24a, sets up corresponding with the running shut-down operation of electric blowing machine 8; And starting switch 24b, start operation with the running of electric blowing machine 8 and set up corresponding.
Shutdown switch 24a and starting switch 24b are electrically connected at main body control portion 9.The user of electric vacuum cleaner 1 can to operating portion 24 operate and uniqueness select the operation mode of electric blowing machine 8.Starting switch 24b, in electric blowing machine 8 runnings, also brings into play function as the selector switch of operation mode.In this situation, main body control portion 9 at every turn when starting switch 24b receives operation signal with strong → → weak → strong → ... order switch operation mode.In addition, operating portion 24 also can comprise that weak running switch (omitting diagram), middle running switch (omitting diagram) and the switch that turns round by force (omitting diagram) replace starting switch 24b individually.
Extension tube 25 is telescopic elongated roughly pipe cylindraceous.Extension tube 25 has sleeve (telescopic) structure of a plurality of cylindrical body in an overlapping.One end of extension tube 25 (end in downstream) has handling joint construction freely with the other end (end of upstream side) that operates pipe 22 on hand.Extension tube 25 is communicated with and is connected in dust separation dust collect plant 7 by operation pipe 22, dust collection hose 21 and tube connector 19 on hand.
Section port body 26 has at timber floor or carpet (carpet) etc. by the structure that freely moves or freely slide on cleaning face, and under mobile status or sliding state with by cleaning in the face of to bottom surface there is suction inlet 28.In addition, section port body 26 comprises the rotation rotary cleaning body 29 freely that is disposed at suction inlet 28 and the motor 31 that rotary cleaning body 29 is driven.
One end of section port body 26 (being herein the end in downstream), has the joint construction of the other end (end of upstream side) that is freely loaded and unloaded on extension tube 25.Section port body 26 is by extension tube 25, operation pipe 22, dust collection hose 21 and tube connector 19 are communicated with and are connected in dust separation dust collect plant 7 on hand.That is, section port body 26, extension tube 25, operation pipe 22, dust collection hose 21, tube connector 19 and dust separation dust collect plant 7 on hand, form the suction wind path that arrives suction inlets 28 from electric blowing machine 8.
The operation that electric vacuum cleaner 1 utilizes starting switch 24b to carry out by user makes electric blowing machine 8 startings.For example, if operate starting switch 24b under the state stopping at electric blowing machine 8, first electric vacuum cleaner 1 makes electric blowing machine 8 runnings with strong operation mode, again by operation start switch 24b, electric blowing machine 8 is turned round with middle operation mode, and then by operation start switch 24b, electric blowing machine 8 is turned round with weak operation mode, repeat similarly in the following.
Strong operation mode, middle operation mode and weak operation mode are predefined multiple operation mode, and the power value of electric blowing machine 8 inputs is reduced according to the order of strong operation mode, middle operation mode, weak operation mode.The electric blowing machine 8 of starting is discharged air and made it inner from dust separation dust collect plant 7 is negative pressure.
Negative pressure in dust separation dust collect plant 7 is sequentially by main body connector 12, tube connector 19, dust collection hose 21, operation pipe 22, extension tube 25 and section port body 26 act on the suction inlet 28 of section port body 26 on hand.Electric vacuum cleaner 1 sucks by the dust on cleaning face being cleared away by cleaning face together with air by acting on the negative pressure of suction inlet 28.Dust separation dust collect plant 7 is from being sucked into the dust laden air dust-separating electric vacuum cleaner 1, and accumulates this separated dust.On the other hand, dust separation dust collect plant 7 will be delivered to electric blowing machine 8 from the air of dust laden air separation.
Below, dust separation dust collect plant 7 is elaborated.
Fig. 2 is the longitudinal section of dust separation dust collect plant that schematically shows the electric vacuum cleaner of the 1st embodiment of the present invention.
As shown in Figure 2, the dust separation dust collect plant 7 of the 1st embodiment is substantial cylindrical shape on the whole.Dust separation dust collect plant 7 comprises container body 35, suction line 36, the first filtration filter portion 37, isolation part 38, returns to the filter portion 39 of filtering, rotary supporting part 41, tegmental wall 42, bleed pipe 43 and the second filtration filter portion 45.
In addition, with regard to dust separation dust collect plant 7, as the posture being installed under the state of main body of dust collector 2, also can make the center line C of container body 35 of drum towards vertical direction, also can make this center line C towards horizontal direction, or also can make this center line C tilt for other arbitrarily angled configurations.
Container body 35 be the end above diagram have open end 47 and below end there is blind end 48 have a round-ended cylinder shape.In container body 35 inside, be formed with: separation chamber 51 is dust and air by dust laden air centrifugation; And dust storage chamber 52, accumulate separated dust.
Suction line 36 be partially against container body 35 sidewall 35a open end 47 sides and be communicated with and be connected in container body 35, become dust laden air be taken into the entrance in dust separation dust collect plant 7.
Suction line 36 will guide in container body 35 from pipe portion 3 to dust separation dust collect plant 7 leaked-in airs towards the tangential direction of the inner peripheral surface of container body 35, and at the interior generation swirling flow of container body 35 F.Suction line 36 forms in sidewall 35a integratedly.
In addition, as long as suction line 36 is at the interior generation swirling flow of container body 35 F, also can be with respect to the plane of the center line C quadrature with container body 35, and the horizontal plane in the situation of vertical direction and tilting with respect to center line C for example.
First filters filter portion 37 is the drum short compared with container body 35, and first filters the upper end (end of the side of the open end 47 of close container body 35) of filter portion 37, with tegmental wall 42 adjacency that are arranged on the open end 47 of container body 35.
First filters that filter portion 37 is accommodated in container body 35 and separation chamber 51, the first filtration filter portions 37 that form ring-type between the cylindric portion inner peripheral surface of cylindric portion outer peripheral face and container body 35 become a filter of dust separation dust collect plant 7.
Separation chamber 51 separates first outer peripheral face of filtration filter portion 37 and the inner peripheral surface of container body 35 and produces swirling flow F and come from dust laden air dust-separating and air.And, after just starting of electric blowing machine 8 or stop swirling flow F in the separation chambers such as transition 51 unformed during, after this external swirling flow F development, certainly also can prevent that dust from flowing out to bleed pipe 43 from container body 35.
In addition, first filter filter portion 37 as shown in Figures 2 and 3 as, be included in side form large opening drum conformal frame 53 and be arranged on first of conformal frame 53 and filter filter 55, the first and filter filters 55 to take the mode twisting cohesion that surrounds conformal frame 53 be drum.
Conformal frame 53 remains drum by the first filtration filter 55.Conformal frame 53 comprises: the members of frame 56 of linearity, and many are spaced from each other and are configured in the part of the side that is equivalent to drum; And the members of frame 57 of ring-type, the both ends that link and be equivalent to drum with members of frame 56 edge separately.
Isolation part 38 be diameter compared with the first filtration filter portion 37 large the and external diameter shape little compared with container body 35.Isolation part 38 is adjacent to the end (end of the side of the blind end 48 of close container body 35) of the below of the first filtration filter portion 37.Isolation part 38 has opening 58, and to be communicated with by gap 59 state connecting, mutually adjacent separation chamber 51 is separated with dust storage chamber 52.
The opening 58 of isolation part 38 is the center line C near container body 35 compared with the gap 59 of the ring-type between the outer peripheral edges of isolation part 38 and the inner peripheral surface of container body 35, is similarly connected separation chamber 51 and dust storage chamber 52 with gap 59.
Space compared with isolation part 38 by below (bottom surface) side of container body 35, for accumulating the dust storage chamber 52 of 51 dusts that flow into by gap 59 from separation chamber.The swirling flow F of 59Jiang separation chamber, gap 51 interior generations guides to dust storage chamber 52 together with dust, and opening 58 makes to guide to swirling flow F in dust storage chamber 52 and 51 returns to separation chamber.
In addition, isolation part 38 be as also can be as shown in the double dot dash line in Fig. 2 towards the bottom surface of container body 35, open wide have a round-ended cylinder shape.In this situation, with sidewall 63 outer peripheral faces of the drum of the isolation part 38 shown in double dot dash line, and container body 35 between separate gappedly 61, between the lower end of next door portion 38 and the bottom surface of container body 35, separate gapped 62 in addition.
Separation chamber 51 and dust storage chamber 52 are communicated with by gap 59, gap 61, gap 62.Gap 61 spreads all over all-round and the inner peripheral surface of spaced containers main body 35 and the outer peripheral face of isolation part 38.Gap 59, gap 61, gap 62, the swirling flow F of Jiang separation chamber 51 interior generations guides to dust storage chamber 52 together with dust.
Be arranged on isolation part 38 opening 58 return to the filter portion 39 of filtering, thick filter, for example well strainer (mesh filter) of eyelet that is back to the degree of separation chamber 51 by fibrous dusts such as can not making to flow into the line bits of dust storage chamber 52 or flocking forms.
Rotary supporting part 41 be take the center line C of container body 35 and as rotating shaft rotates, is supported freely the first filtration filter portion 37.
Rotary supporting part 41 comprises: the first axle core maintaining part 65, is arranged on the bottom of container body 35; The second axle core maintaining part 66, is configured in open end 47 sides of container body 35; Axle core 67, is erected between the first axle core maintaining part 65 and the second axle core maintaining part 66; Clutch shaft bearing 68, is arranged on the end (near the end of the side of the blind end 48 of container body 35) of the below of the first filtration filter portion 37; And second bearing 69, be arranged on the end (near the end of the side of the open end 47 of container body 35) of the top of the first filtration filter portion 37.
The first axle core maintaining part 65 and the second axle core maintaining part 66 are the boss (boss) at the bar-shaped axle core 67 of the center line C of container body 35 upper support.
The second axle core maintaining part 66 is with respect to the center line C of container body 35 and configuration with one heart.The second axle core maintaining part 66 is fixed on tegmental wall 42 or bleed pipe 43 by a plurality of aggregates 71 with radiated entends.The space that a plurality of aggregates are 71 makes to pass through from the mobile air of interior side direction bleed pipe 43 of the first filtration filter portion 37.
Axle core 67 is erected at and between the first axle core maintaining part 65 and the second axle core maintaining part 66, is fixed on container body 35.Axle core 67 comprises: the first axle core half portion 72, arrives isolation part 38 from the first axle core maintaining part 65 of container body 35 bottoms; And second axle core half portion 73, then the first axle core half portion 72 and arrive the second axle core maintaining part 66.
The first axle core half portion 72 supports isolation part 38, and container body 35 is non-rotatably fixed on in isolation part 38.The first axle core half portion 72 is disposed in dust storage chamber 52, comprises the impedance body 75 that hinders the flowing of air that 51 side direction dust storage chamber 52 side inflows also circle round from separation chamber and produce vortex.
Impedance body 75 is from the first axle core half portion 72 to the outstanding plate shape of the diametric(al) of container body.Impedance body 75 is upset first axle core half 72 ambient air streams, makes the dust in dust storage chamber 52 be trapped in or be wrapped in the first axle core half portion 72 around, and promotes dust gathering in dust storage chamber 52.
In addition, impedance body 75, except the first axle core half portion 72, also can be formed in container body 35 bottom of container body 35 integratedly, also can partially lean on the inner peripheral surface side of container body 35 and arrange.
The second axle core half portion 73 is metal system, via clutch shaft bearing 68 and the second bearing 69 and rotation keeps the first filtration filter portion 37 freely.
Clutch shaft bearing 68 and the second bearing 69 are the sliding bearing (slide bearing) containing being soaked with lubricating oil, by so-called oilless bearing (oilless bearing) or ball bearing (ball bearing) formation of performance self lubricity.
First filters filter portion 37 comprises: clutch shaft bearing maintaining part 76, keeps clutch shaft bearing 68; And second bearing cage 77, keep the second bearing 69.
Clutch shaft bearing maintaining part 76 is arranged on the diapire 37a of the end (end of the side of the blind end 48 of close container body 35) of the below of stopping up the first filtration filter portion 37.
The second bearing cage 77 is configured in the end (end of the side of the open end 47 of close container body 35) of the top of the first filtration filter portion 37, and configures with one heart with respect to the first filtration filter portion 37.The second bearing cage 77 is fixed on the first filtration filter portion 37 by a plurality of aggregates 78 with radiated entends.
The space that a plurality of aggregates are 78 makes to pass through from the mobile air of interior side direction bleed pipe 43 of the first filtration filter portion 37.
First filters filter portion 37 rotate freely and is supported by rotary supporting part 41, be therefore received in separation chamber's 51 interior convolutions air mobile, accept swirling flow F and rotate.Swirling flow F, in the mobile process of the outer peripheral face along the first filtration filter portion 37, or filtering filter 55 in the process of the interior side inflow of the first filtration filter portion 37 by first, gives revolving force to the first filtration filter portion 37.
The open end 47 of tegmental wall 42 blocking container main bodys 35.Tegmental wall 42 has with respect to container body 35 and the concentric 42a that opens roughly.Opening 42a is communicated with in the space and bleed pipe 43 of the inner side that connects the first filtration filter portion 37.
Adjacent part in the first filtration filter portion 37 with isolation part 38, is provided with the stepped fitting portion 79 of the intrusion that prevents dust.
Make the first filtration filter portion 37 with respect to tegmental wall 42 and relativity rotate, therefore at tegmental wall 42 and first, filter the adjacent part of filter portion 37, be provided with sealing (seal) portion 81 that hinders air inner space inflow of 51 side direction the first filtration filter portions 37 from separation chamber.
If suppose, dust etc. enters in the small gap between the first filtration filter portion 37 and tegmental wall 42, hinders 37 rotations of the first filtration filter portion.Thus, sealing 81 is guaranteed the circulation of the air in the small gap between the first filtration filter portion 37 and tegmental wall 42, or hinders the intrusion of dust and guarantee the practical rotation of the first filtration filter portion 37.Sealing 81 is for example so-called labyrinth (labyrinth) structure.
The open end 47 of bleed pipe 43 blocking container main bodys 35 and cover tegmental wall 42.Bleed pipe 43 is the outlet of the air in dust separation dust collect plant 7, becomes and will send the exhaust wind path 82 to electric blowing machine 8 by the first filtration filter portion 37 and the second air that filters filter portion 45.
The second 45 pairs, filtration filter portion filters to exhaust wind path 82 leaked-in airs from the 42a that opens of tegmental wall 42.Second filter filter portion 45 after just starting of electric blowing machine 8 or just stopped the swirling flow F of Hou Deng separation chamber 51 unformed during, trapping sees through first and filters the fine emboliform thin dirt of filter portion 37, and prevents that fine emboliform thin dirt from arriving electric blowing machine 8.
Second filters filter portion 45 for to be disc-shape and to divide the pleated filter of alternative arrangement from central side with the Fen Yuao folding part, protruding folding part of radiated entends.
First filter filter portion 37, isolation part 38, return and filter filter portion 39 and rotary supporting part 41, integrated with tegmental wall 42 and bleed pipe 43, can take out and again be accommodated in container body 35 from the open end 47 of container body 35.
Fig. 3 mean the 1st embodiment of the present invention electric vacuum cleaner first filter the stereogram of filter portion.
As shown in Figure 3, at first of the dust separation dust collect plant 7 of the 1st embodiment, filter filter portion 37, comprise being received in the mobile wing plate 83 of the air of separation chamber's 51 interior convolutions.
Wing plate 83 is arranged on the inner circumferential side of the first filtration filter portion 37, to the center line of the first filtration filter portion 37, be that the center line C of container body 35 extends.Wing plate 83 is integrated with conformal frame 53.Wing plate 83 is accepted to the inner side leaked-in air of the first filtration filter portion 37, to the first filtration filter portion 37, to give revolving force by the first filtration filter 55.
Secondly, the action of the electric vacuum cleaner 1 of the 1st embodiment is described.
First for to compare with the 1st embodiment, and use Fig. 4, Fig. 5 to describe comprising the first existing electric vacuum cleaner 104 that filters filter portion 102 not rotating with respect to container body 101 herein.
Fig. 4 (a), Fig. 4 (b) and Fig. 4 (c) are the cross-sectional views that schematically shows the dust separation dust collect plant of existing electric vacuum cleaner.
In addition, Fig. 5 is the longitudinal section that schematically shows the dust separation dust collect plant of existing electric vacuum cleaner.
As shown in Fig. 4 (a), in existing electric vacuum cleaner 104, if surpass the first rectangular fibrous dust fi that filters the outer perimeter of filter portion 102, by swirling flow F, flow into dust separation dust collect plant 105, exist an end of dust fi in the mode of passing, to be attached to the situation of filtering filter 106.And, in existing electric vacuum cleaner 104, first filters filter portion 102 is fixed on container body 101 and does not rotate, therefore as shown in Fig. 4 (b), make an end be attached to the fibrous dust fi that filters filter 106, under the state being washed away by swirling flow F, start twisting cohesion in filtering filter 106.
As finally as shown in Fig. 4 (c) and Fig. 5, fibrous dust fi twisting cohesion cannot easily be untied in filtering filter 106.
On the other hand, Fig. 6 (a), Fig. 6 (b), Fig. 6 (c) and Fig. 6 (d) are the cross-sectional views of dust separation dust collect plant that schematically shows the electric vacuum cleaner of the 1st embodiment.
In addition, Fig. 7 is the longitudinal section of dust separation dust collect plant that schematically shows the electric vacuum cleaner of the 1st embodiment.
As shown in Fig. 6 (a), even if be the electric vacuum cleaner 1 of present embodiment, if surpass the first rectangular fibrous dust fi that filters the outer perimeter of filter portion 37, by swirling flow F, flow into dust separation dust collect plant 7, also exist an end of dust fi in the mode of passing, to be attached to the situation of the first filtration filter 55.
And, as shown in Fig. 6 (b) as, make an end be attached to the fibrous dust fi of the first filtration filter 55, under the state being washed away by swirling flow F, start twisting cohesion in the first filtration filter 55.
Yet, in the electric vacuum cleaner 1 of present embodiment, first filters filter portion 37 along with swirling flow F rotation is (in Fig. 6, solid arrow R), therefore first filter filter 55 and rotate with together with accompanying fibrous dust fi, the more existing electric vacuum cleaner 104 of relative speed difference that the dust fi being washed away by swirling flow F thus and first filters filter 55 is little, and dust fi before the first filtration filter 55, is flushed away longer time, longer distance at twisting cohesion in separation chamber 51.
At dust fi and first, filter filter portion 37 while continuing rotation, take the slight upset etc. of swirling flow F as opportunity is as Fig. 6 (c) as shown in, an end of dust fi is from the first filtration filter 55 disengagings or come off.
The electric vacuum cleaner 1 of present embodiment is compared with existing electric vacuum cleaner 104, and the relative speed difference that dust fi and first filters filter 55 is little, and dust fi had the remaining of longer time, longer distance before the first filtration filter 55 at twisting cohesion.
Therefore, in the electric vacuum cleaner 1 of present embodiment, may repeatedly run into the opportunity of the slight upset etc. of swirling flow F, so dust fi departs from or the chance that comes off is increased to certain degree from the first filtration filter 55.
And, final as Fig. 6 (d) as shown in as, fibrous dust fi from the first filtration filter 55 disengagings, come off, and as shown in Figure 7, be accumulated in dust storage chamber 52.
In addition, swirling flow F collaborates with the new dust laden air that flows into separation chamber 51 from suction line 36 at every turn when convolution 1 circle, and is the center line C direction to container body 35 by change of the wind, in other words to the direction that approaches the first filtration filter 55.A part of swirling flow F that has changed wind direction is by the first filtration filter 55 and be directed to outside dust separation dust collect plant 7.
In this process, in the situation that the existing electric vacuum cleaner 104 of Fig. 4, owing to comprising non-rotary filtration filter 106, a part that has therefore changed the swirling flow F of wind direction continues by filtering the roughly fixed position of filter 106.Thus, filtering this position adhesive dust, finally obstruction at leisure of filter 106.If stop up in the privileged site generation of filtering filter 106, the flow velocity of block part reduces, and then expanded range, and result is brought out and filtered the whole obstruction of filter 106.
With respect to this, in the electric vacuum cleaner 1 of present embodiment, make the first filtration filter 55 along with swirling flow F rotation, a part that has therefore changed the swirling flow F of wind direction can not continue by the fixed position of the first filtration filter 55, but is spreaded all over all-round and disperseed widely by position.
Therefore, the electric vacuum cleaner 1 of present embodiment does not produce obstruction in certain narrow scope of the first filtration filter 55, is easy to maintain gas permeability, and then is easy to maintain the gas permeability of the first filtration filter 55 integral body.
So, the electric vacuum cleaner 1 of the 1st embodiment comprises rotation the first filtration filter portion 37 freely in container body 35, prevents that thus the dust of the 51 interior convolutions in separation chamber, especially fibrous dust twisting cohesion are in the first filtration filter portion 37.
Especially, by utilizing the position of swirling flow F rotation to concentrate on the first filtration filter portion 37, and be easy to obtain the rotary speed of the first filtration filter portion 37, can make the first filtration filter portion 37 relative speed differences with respect to swirling flow F significantly reduce and prevent that fibrous dust twisting cohesion is in the first filtration filter portion 37.
And, by utilizing the position of swirling flow F rotation to concentrate on the first filtration filter portion 37, and when electric vacuum cleaner 1 starting, be easy to realize first rotation of filtration filter portion 37 and the Fast synchronization of swirling flow F, when starting transition, also make the first filtration filter portion 37 relative speed differences with respect to swirling flow F significantly reduce and prevent that fibrous dust twisting cohesion is in the first filtration filter portion 37.
In addition, the electric vacuum cleaner 1 of the 1st embodiment, utilization makes 37 rotations of the first filtration filter portion at the swirling flow F of container body 35 interior generations, therefore without the additional parts such as prime mover or analyzer or control system in order to synchronize with the flow velocity of swirling flow F, can suppress accelerating of part number of packages and guarantee reliability.
And then the electric vacuum cleaner 1 of the 1st embodiment comprises wing plate 83 in the first filtration filter portion 37, can make thus the driving torque of the first filtration filter portion 37 become large, thereby be easy to make swirling flow F and first to filter the rotary synchronous of filter portion 37 and isolation part 38.
And then in addition, the electric vacuum cleaner 1 of the 1st embodiment is by having the conformal frame 53 of wing plate 83 concurrently, and in the assembling of the first filtration filter portion 37 without additional operation.
In addition, the electric vacuum cleaner 1 of the 1st embodiment comprises wing plate 83 in the inner circumferential side of the first filtration filter portion 37, the face that can at the outer peripheral face of the first filtration filter 55, not be exposed in swirling flow F thus produces distribution or the eddy current of flow velocity complexity, thereby can avoid dust to be attached to the first filtration filter 55.
And then the electric vacuum cleaner 1 of the 1st embodiment comprises impedance body 75 in dust storage chamber 52, therefore can improve the efficiency of accumulating of dust in dust storage chamber 52, can be difficult for twining into piece by the dust of volume more and be difficult to break, and realize discarded facilitation, purifying.
Therefore,, according to the electric vacuum cleaner 1 of the 1st embodiment, can provide fibrous dust to be difficult for twisting cohesion at the first electric vacuum cleaner 1 that filters filter 55 of drum that is positioned at container body 35 inside of drum.
Secondly, the dust separation dust collect plant of the electric vacuum cleaner of the 2nd embodiment is described.
Fig. 8 is the longitudinal section of dust separation dust collect plant that schematically shows the electric vacuum cleaner of the 2nd embodiment, the part that the Fig. 2 with the 1st embodiment is identical is enclosed to same-sign, and the aspect different from the 1st embodiment is elaborated.The 2nd embodiment aspect different from the 1st embodiment is, the first filtration filter portion and the rotation individually of isolation part difference.
As shown in Figure 8, the dust separation dust collect plant 7 of the 2nd embodiment is substantial cylindrical shape on the whole.Dust separation dust collect plant 7 comprises container body 35, suction line 36, the first filtration filter portion 37, isolation part 38, returns to the filter portion 39 of filtering, rotary supporting part 141, tegmental wall 42, bleed pipe 43 and the second filtration filter portion 45.
Rotary supporting part 141 take container body 35 center line C as rotating shaft respectively individually rotation support freely the first filtration filter portion 37 and isolation part 38.Rotary supporting part 141 comprises: axle core maintaining part 166, is configured in open end 47 sides of container body 35; Axle core 167, is kept freely with respect to 166 rotations of axle core maintaining part; Clutch shaft bearing 168, is arranged at the end (near the end of the side of the blind end 48 of container body 35) of the below of the first filtration filter portion 37; And second bearing 169, be arranged at the end (near the end of the side of the open end 47 of container body 35) of the top of the first filtration filter portion 37.
Axle core maintaining part 166 is the boss (boss) at the bar-shaped axle core 167 of the center line C of container body 35 upper support.Axle core maintaining part 166 is with respect to the center line C of container body 35 and configuration with one heart.Axle core maintaining part 166 is fixed on tegmental wall 42 or bleed pipe 43 by a plurality of aggregates 171 with radiated entends.
The space that a plurality of aggregates are 171 makes to pass through from the mobile air of interior side direction bleed pipe 43 of the first filtration filter portion 37.
Axle core 167 is given prominence to and is connected the first filtration filter portion 37 and arrive isolation part 38 from axle core maintaining part 166.The end of the top of axle core 167 (end of the side of the open end 47 of close container body 35) is rotated freely and is kept by axle core maintaining part 166, and the end of the below of axle core 167 (end of the side of the blind end 48 of close container body 35) is fixed on isolation part 38.
Axle core 167 is metal system, via clutch shaft bearing 168 and the second bearing 169 and rotation keeps the first filtration filter portion 37 freely.
In addition, axle core 167 rotates retainer shaft core maintaining part 166 freely via C shape ring 172.C shape ring 172 is inserted in the areola 173 of axle core maintaining part 166 and in the groove 175 of embedded axle core 167.C shape ring 172 prevents that axle core 167 from extracting from axle core maintaining part 166, and can make axle core 167 with respect to 166 rotations of axle core maintaining part.
Clutch shaft bearing 168 and the second bearing 169 are the sliding bearing containing being soaked with lubricating oil, and for bringing into play so-called oilless bearing or the ball bearing of self lubricity.
First filters filter portion 37 comprises: clutch shaft bearing maintaining part 176, keeps clutch shaft bearing 168; And second bearing cage 177, keep the second bearing 169.Clutch shaft bearing maintaining part 176 and the second bearing cage 177 form in integratedly the first filtration filter portion 37 and are axle sleeve (sleeve) shape.
Clutch shaft bearing maintaining part 176 is arranged on the diapire 37a of the end (end of the side of the blind end 48 of close container body 35) of the below of stopping up the first filtration filter portion 37.
The second bearing cage 77 is configured in the end (end of the side of the open end 47 of close container body 35) of the top of the first filtration filter portion 37, and configures with one heart with respect to the first filtration filter portion 37.
First filters filter portion 37 rotate freely and is supported by rotary supporting part 141, be therefore received in separation chamber's 51 interior convolutions air mobile, accept swirling flow F and rotate.Swirling flow F, in the mobile process of the outer peripheral face along the first filtration filter portion 37, or filtering filter 55 in the process of the interior side inflow of the first filtration filter portion 37 by first, gives revolving force to the first filtration filter portion 37.
Isolation part 38 is fixed on the end (end of the side of the blind end 48 of close container body 35) of the below of axle core 67, can rotation integratedly together with axle core 167.
The open end 47 of tegmental wall 42 blocking container main bodys 35.Tegmental wall 42 has with respect to container body 35 and concentric opening 42a roughly.Opening 42a is communicated with first and filters space and the bleed pipe 43 of filter portion 37 inner sides.
Adjacent part in the first filtration filter portion 37 with isolation part 38, is provided with the stepped fitting portion 179 of the intrusion that prevents dust.The small power contact that stepped fitting portion 179 is produced with contacting of the edge of the members of frame 57 of the first filtration filter portion 37 and the interarea of isolation part 38.
That is, isolation part 38 also can rotate by swirling flow F, on the other hand, also can be contacted with the first filtration filter portion 37 and obtains revolving forces from the first filtration filter portion 37.
In other words, isolation part 38 is to the direction rotation identical with the first filtration filter portion 37, and follows the first filtration filter portion 37 and rotate.In addition, first filters the produced small power that contacts of the edge of members of frame 57 of filter portion 37 and the interarea of isolation part 38, refers to the power not hindering by the degree of the rotation of the caused mutual relativity of swirling flow F.
Secondly, the action of the electric vacuum cleaner of the 2nd embodiment is described.
Herein, the electric vacuum cleaner of the 2nd embodiment makes the 1st to filter filter 55 rotations by swirling flow F, a part that has changed the swirling flow F of wind direction can not continue by the fixed position of the first filtration filter 55, but make spread all over all-round and disperse widely by position, therefore preventing at the dust of separation chamber's 51 interior convolutions, especially fibrous dust twisting cohesion in identical with the 1st embodiment aspect the 1st filtration filter portion 37.
In the electric vacuum cleaner 1 of the 2nd embodiment, isolation part 38 is rotated together with the first filtration filter portion 37, the dust that therefore also can utilize isolation part 38 to stir in dust storage chamber 52 except swirling flow F, therefore can realize the homogenizing of distribution density of the dust in dust storage chamber 52, can eliminate the biasing of dust and accumulate more dust.
In addition, if the dust accumulation in dust storage chamber 52 increases, a large amount of dusts between container body 35 and isolation part 38, thereby the rotation of this dust obstruction isolation part 38.In addition, even if the dust accumulation in dust storage chamber 52 is a small amount of, also may there is the dust that suction is larger and large dust is clipped between container body 35 and isolation part 38, thus the situation of the rotation of obstruction isolation part 38.
Thus, the electric vacuum cleaner 1 of the 2nd embodiment rotates and supports freely the first filtration filter portion 37 and isolation part 38 individually respectively, even if the rotation of hypothesis isolation part 38 is hindered and is stopped thus, also can filter the rotation of filter portion 37 sides by maintenance first, thereby prevent that the dust of the 51 interior convolutions in separation chamber, especially fibrous dust fi twisting cohesion are in the first filtration filter portion 37.
So, the electric vacuum cleaner 1 of the 2nd embodiment comprises rotation the first filtration filter portion 37 freely in container body 35, prevents that thus the dust of the 51 interior convolutions in separation chamber, especially fibrous dust twisting cohesion are in the first filtration filter portion 37.And then, make the rotation individually respectively of the first filtration filter portion 37 and isolation part 38, even if thus because accumulation increase of dust etc. is former thereby cause the rotation of isolation part 38 to stop, also can be by maintaining the rotation of the first filtration filter portion 37, and prevent that fibrous dust twisting cohesion is in the first filtration filter portion 37.
In addition, the electric vacuum cleaner 1 of the 2nd embodiment makes isolation part 38 to the direction rotation identical with the first filtration filter portion 37, therefore without independent, the additional parts such as prime mover or analyzer or the control system in order to synchronize with the flow velocity of swirling flow F that make isolation part 38 rotations, thereby can suppress accelerating of part number of packages and guarantee reliability.
In addition, the electric vacuum cleaner 1 of present embodiment is not limited to the electric vacuum cleaner of box, also can be the electric vacuum cleaners such as upright post type (upright type), bar bar (stick) type or light (handy) type.
Several embodiments of the present invention are illustrated, but these embodiments are as an example and the embodiment of prompting that intention does not limit scope of invention.These new embodiments can utilize other various forms to implement, and can carry out various omissions, replacement, change in the scope that does not depart from the main idea of invention.These embodiments or its distortion are included in scope of invention or main idea, and are included in the invention of recording in the scope of claim and in impartial scope.

Claims (9)

1. an electric vacuum cleaner, comprising:
The container body of drum;
Filter filter portion, be compared with the short drum of described container body and be accommodated in described container body, and described container body between form the separation chamber of ring-type;
Isolation part, is the large and little shape of the more described container body of external diameter of the more described filtration filter of diameter portion, forms the dust storage chamber arranging in the mutual adjacent mode being communicated with in described separation chamber with being adjacent to an end of described filtration filter portion; And
Rotary supporting part, the center line of described container body of take supports described filtration filter portion freely as rotating shaft rotates.
2. electric vacuum cleaner according to claim 1, is characterized in that: described filtration filter portion is received in the flowing and rotate of air of convolution in described separation chamber.
3. electric vacuum cleaner according to claim 1 and 2, is characterized in that: in described filtration filter portion, be provided with the mobile wing plate that is received in the air of convolution in described separation chamber.
4. electric vacuum cleaner according to claim 3, is characterized in that, described filtration filter portion comprises: conformal frame, is provided with described wing plate; And filtration filter, be arranged on described conformal frame.
5. electric vacuum cleaner according to claim 4, is characterized in that: described wing plate is arranged on the inner circumferential side of described filtration filter portion.
6. electric vacuum cleaner according to claim 1, is characterized in that: described electric vacuum cleaner comprises impedance body, and this impedance body is configured in described dust storage chamber and hinders the mobile vortex that produces of the convolution air flowing into described dust storage chamber from described separation chamber.
7. an electric vacuum cleaner, comprising:
The container body of drum;
Filter filter portion, be compared with the short drum of described container body and be accommodated in described container body, and described container body between form the separation chamber of ring-type;
Isolation part, is the large and little shape of the more described container body of external diameter of the more described filtration filter of diameter portion, forms the dust storage chamber arranging in the mutual adjacent mode being communicated with in described separation chamber with being adjacent to an end of described filtration filter portion; And
Rotary supporting part, take described container body center line as rotating shaft respectively individually rotation support freely described filtration filter portion and described isolation part.
8. electric vacuum cleaner according to claim 7, is characterized in that: described isolation part follows described filtration filter portion and rotates.
9. electric vacuum cleaner according to claim 8, is characterized in that: described isolation part is by obtaining revolving force with contacting of described filtration filter portion from described filtration filter portion.
CN201310731774.7A 2013-03-14 2013-12-26 Electric Cleaner Active CN104042166B (en)

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KR20140113308A (en) 2014-09-24
TWI584773B (en) 2017-06-01

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