EP2064980B1 - Aspirateur - Google Patents

Aspirateur Download PDF

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Publication number
EP2064980B1
EP2064980B1 EP07740645A EP07740645A EP2064980B1 EP 2064980 B1 EP2064980 B1 EP 2064980B1 EP 07740645 A EP07740645 A EP 07740645A EP 07740645 A EP07740645 A EP 07740645A EP 2064980 B1 EP2064980 B1 EP 2064980B1
Authority
EP
European Patent Office
Prior art keywords
air
opening
dust
separation section
passage
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.)
Ceased
Application number
EP07740645A
Other languages
German (de)
English (en)
Other versions
EP2064980A4 (fr
EP2064980A1 (fr
Inventor
Ritsuo Takemoto
Masatoshi Tanaka
You Torizawa
Hitoshi Suzuki
Yoshihiro Tsuchiya
Yukio Machida
Hiromitsu Murata
Kenji Kojima
Mai Matsuno
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
Application filed by Toshiba Corp, Toshiba Consumer Electronics Holdings Corp, Toshiba Home Appliances Corp filed Critical Toshiba Corp
Publication of EP2064980A1 publication Critical patent/EP2064980A1/fr
Publication of EP2064980A4 publication Critical patent/EP2064980A4/fr
Application granted granted Critical
Publication of EP2064980B1 publication Critical patent/EP2064980B1/fr
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/12—Dry filters
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/102—Dust separators
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/106—Dust removal
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/12—Dry filters
    • A47L9/122—Dry filters flat
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/1427—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters
    • A47L9/1463—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters specially adapted for rigid filtering receptacles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1658—Construction of outlets
    • A47L9/1666—Construction of outlets with filtering means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details 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
    • A47L9/20—Means for cleaning filters

Definitions

  • the present invention relates to a vacuum cleaner provided with a dust separation section for separating dust from air and a filtering separation section for separating dust having passed through the dust separation section from the air.
  • Such a vacuum cleaner is provided with the dust collecting container, the cleaner main body having a mounting portion on which the dust collecting container is mounted, an electric blower provided on a downstream side of the dust collecting container chamber, a pleated filter body, which is a secondary filter detachably attached to a rear surface opening of the dust collecting container, dust removing unit for shaking off the dust adhering to the pleated filter body and the like.
  • the dust removing unit has a ring-shaped large-diameter gear rotatably arranged at a position opposite to the pleated filter, a projection brought into contact with the pleated filter is provided at the gear, the ring is rotated as an electric power cord is wound up by a cord reel, and the projection rides over a mountain section of a pleat of the pleated filter while moving as the ring is rotated, by means of which vibration is given to the pleated filter and the dust adhering to the pleated filter is shaken off.
  • JP 8294470 discloses a vacuum cleaner that prevents dust from entering a safety valve for the air intake use.
  • An object of the present invention is to provide a vacuum cleaner in which dust dropped off the filtering separation section does not adhere again to the filtering separation section.
  • a vacuum cleaner according to the present invention comprises:
  • dust dropped off from the filtering separation section by the dust removing unit is prevented from adhering again to the filtering separation section. Furthermore, since a connection opening/closing valve is closed by rotation of the filtering separation section, while an outside-air opening/closing valve is opened, a motor for opening or closing the connection opening/ closing valve or the outside-air opening/closing valve is no longer needed.
  • An electric vacuum cleaner 10 shown in Fig. 1 is provided with a cleaner main body 11, a dust collecting hose 12 having one end detachably connected to a connection port 11A of the cleaner main body 11 and a hand operation pipe 13 provided at the other end, an extension pipe 14 detachably connected to the hand operation pipe 13, and a suction port body 15 detachably connected to a distal end portion of the extension pipe 14.
  • an operation section 13A is provided, and in the operation section 13A, a stop switch 13a for stopping driving of an electric blower 24 and a control switch 13b for setting power of the electric blower 24 and the like are provided.
  • a suction chamber In the suction port body 15, a suction chamber, not shown, is formed in which a suction opening (dust suction port), not shown, for sucking dust is formed in its bottom surface, and this suction chamber communicates with a suction connection port 57a of a dust collecting unit (See Fig. 10 ) provided in the cleaner main body 11 through the extension pipe 14, the dust collecting hose 12, and the connection port 11A.
  • a suction opening dust suction port
  • the cleaner main body 11 is provided with a main body case 20, a dust collecting unit 50 (See Fig. 2 ) attached to the inside of the main body case 20, and the electric blower 24.
  • a dust collecting unit chamber 22 having an upper opening 22A is formed, and a lid case 500 (See Fig. 1 ) is mounted on an upper portion of the main body case 20 capable of being opened or closed.
  • a lid case 500 See Fig. 1
  • the main body case 20 is configured so as not to be sealed by the lid case 500.
  • a pop-up mechanism 1000 (See Fig. 7 ) for popping up a dust collecting container 410 ( Fig. 11 ) as a dust collecting section, which will be described later, is provided.
  • a pair of leg portions 501 extending diagonally downward are formed, and lower portions 501A of the leg portions 501 are rotatably attached to a cylindrical axle 17 (See Fig. 5 ) provided in the main body case 20 and also cover rear wheels 16 mounted on the cylindrical axle 17.
  • a torsion coil spring 18 is attached inside the cylindrical axle 17, and one end of the torsion coil spring 18 is fixed to the cylindrical axle 17, while the other end 18A of the torsion coil spring 18 is fixed to the leg portion 501 (See Fig. 1 ), and the torsion coil spring 18 urges the lid case 500 around the cylindrical axle 17 counterclockwise in Fig. 1 .
  • a rotating body 900 (See Fig. 2 ) is rotatably attached to the cylindrical axle 17, the other end 18A of the torsion coil spring 18 is locked by a projection 902 (See Fig. 14 ) of an arm portion 901 of the rotating body 900, while the arm portion 901 is locked in the leg portion 501 of the lid case 500 so that the lid case 500 is urged clockwise.
  • the lid case 500 is opened as shown by a chain line in Fig. 16 .
  • a substantially inverted L-shaped engagement member 510 is provided on the front side of the lid case 500.
  • connection air-passage portion 25 (connection air-passage) 25 (See Fig. 27 ) having a front surface opening 25B (See Fig. 14 ) is formed, and the connection air-passage portion 25 communicates with a suction opening 24A of the electric blower 24.
  • a rotatable lattice member 600 is provided as shown in Fig. 14 , and this lattice member 600 is rotated by a motor M1 (See Fig. 37 ).
  • a suction pipe 27 communicating with the suction opening 24A of the electric blower 24 is provided, and at a distal end portion of the suction pipe 27, a fourth opening/closing valve 28 for opening or closing an opening 27A is provided.
  • An opening/closing operation of the fourth opening/closing valve 28 is carried out by a motor M2 (See Fig. 37 ).
  • a plurality of projections 601 are formed as shown in Fig. 14 , and each of the projections 601 is engaged with a valley portion (filter groove) of a pleated filter 104 (See Fig. 13 ), which will be described later, so as to rotate a pleated filter body 100, which will be described later.
  • dust removing unit 2100 of a dust removing mechanism 2000 See Fig. 31 ), which will be described later, removes dust adhering to the pleated filter 104.
  • a clamp 700 for locking the closed lid case 500 is provided on the connection port 11A of the main body case 20.
  • the clamp 700 has, as shown in Figs. 7 and 8 , an operation section 701 having an upper surface formed as a curved surface, and on both sides of a rear surface 701A of the operation section 701, support plate portions 702, 702 projecting rearward (right side in Figs. 7 and 8 ) are formed, and shaft portions 703, 703 are formed on outer surfaces of the support plate portions.
  • the shaft portions 703, 703 are, as shown in Fig. 3 , rotatably held by bearing portions 27, 27 provided in the main body case 20.
  • the clamp 700 is urged by a spring, not shown, clockwise around the shaft portion 703 in Fig. 7 .
  • the clamp 700 is regulated by a regulating member, not shown, so as not to be rotated clockwise from a position shown in Fig. 7 .
  • the clamp 700 is rotated counterclockwise around the shaft portions 703, 703 from the position shown in Fig. 7 against an urging force of a spring, not shown, when the operation section 701 is pushed downward from an upper side.
  • a front wall section 704 extending downward is formed, and at a lower portion of the front wall section 704, a pressing portion 705 extending rearward is formed.
  • a support portion 706 extending upward is formed at a rear portion of the pressing portion 705, and a lock claw 707 is formed at an upper part of the support portion 706.
  • This lock claw 707 is, as shown in Figs. 6 and 7 , engaged with a distal end portion 511 of the engagement member 510 of the lid case 500 so as to lock the lid case 500 by the main body case 20.
  • the dust collecting unit 50 is, as shown in Fig. 10 , provided with a dust separation unit 400 and a dust collecting container 410 detachably attached to the dust separation unit 400.
  • the dust separation unit 400 is provided with a dust separation section 52 and a filter section 80 integrated with the dust separation section 52.
  • the dust separation section 52 is provided with, as shown in Figs. 10 and 12 , a separation chamber portion (upstream air passage) 54 formed cylindrically by an outer circumferential wall 53, a dust separating unit 55 having a substantially conical shape provided along the axis of the separation chamber portion 54 in the separation chamber portion 54, a suction air-passage portion (guide air passage) 56 provided outside of a right side wall 54A of the separation chamber portion 54, and a guide air-passage body 57 for guiding air from the suction connection port (dust suction port) 57a to the separation chamber portion 54.
  • a separation chamber portion upstream air passage
  • a dust separating unit 55 having a substantially conical shape provided along the axis of the separation chamber portion 54 in the separation chamber portion 54
  • a suction air-passage portion (guide air passage) 56 provided outside of a right side wall 54A of the separation chamber portion 54
  • a guide air-passage body 57 for guiding air from the suction connection port (dust suction port
  • the suction connection port 57a is made to communicate with the connection port 11A of the cleaner main body 11.
  • the suction air-passage portion 56 is provided below the guide air-passage body 57.
  • an introduction opening 53A for introducing dust separated from air into the dust collecting container 410 is formed in an upper portion of the outer circumferential wall 53 of the separation chamber portion 54. Furthermore, as also shown in Fig. 23 , on a lower portion side of the outer circumferential wall 53 forming an arc surface, a return opening 53D is formed. In the return opening 53D, a second opening/ closing valve K2 is provided capable of being opened or closed. To the return opening 53D, as shown in Figs. 24 and 25 , one end of a return air-passage pipe 2510 is connected. The return air-passage pipe 2510 constitutes a return air passage 2511 (See Figs. 21 and 22 ).
  • a shaft portion KJ1 is formed, and as shown in Fig. 24 , the shaft portion KJ1 is pivotally supported on an upstream side of the separation chamber portion 54, while the other end of the second opening/closing valve K2 is located on a downstream side of the separation chamber portion 54.
  • the second opening/closing valve K2 is, as shown in Fig. 25 , opened by being rotated counterclockwise around the shaft portion KJ 1.
  • the second opening/ closing valve K2 is closed by air introduced through a connection opening 54Aa, which will be described later, into the separation chamber portion 54 and opened by the air returned from the return air-passage pipe 2510 into the separation chamber portion 54.
  • the second opening/ closing valve K2 is formed with the same curvature as an inner circumferential wall surface of the separation chamber portion 54 as shown in Fig. 24 and is provided so as to be flush with the inner circumferential wall surface.
  • connection opening 54Aa communicating with the separation chamber portion 54 as shown in Fig. 23 is formed, and at the connection opening 54Aa, a first opening/ closing valve K1 is provided so as to be opened or closed.
  • first opening/closing valve K1 is switched to a position indicated by a solid line, the connection opening 54Aa is closed, and on the other hand, when being switched to a position indicated by a chain line, the connection opening 54Aa is opened.
  • the air introduced from the guide air-passage body 57 through the connection opening 54Aa into the separation chamber portion 54 is rotated counterclockwise in Fig. 10 .
  • a circular opening 154A (See Fig. 10 ) and a fan-shaped opening 154B (See Figs. 12 and 24 ) are formed, the dust separating unit 55 is mounted on the opening 154A, and in the opening 154B, a net filter NF2 (See Fig. 24 ) is mounted.
  • the dust separating unit 55 is constituted by a plurality of frames 55a and a net filter NF1 affixed on the periphery of the frames 55a.
  • the suction air-passage portion 56 communicates with the inside of the separation chamber portion 54 through the opening 154A (See Fig. 10 ) of the right side wall 54A and the net filter NF1 (See Fig. 12 ) and also communicates with the inside of the separation chamber portion 54 through the net filter NF2 of the opening 154B in the right side wall 54A.
  • an opening 56D as shown in Fig. 12 is formed, and in the opening 56D, a filter (pleated filter) PF is mounted.
  • a bypass air-passage pipe 2501 forming a bypass air-passage 2500 is connected to the opening 56D as shown in Fig. 26 .
  • the other end of the bypass air-passage pipe 2501 is connected to the suction pipe 27 as shown in Fig. 27 , and through the bypass air-passage pipe 2501, the suction air-passage portion 56 and the suction pipe 27 communicate with each other.
  • a fifth opening/ closing valve (electromagnetic valve) 2502 is provided in the bypass air-passage pipe 2501.
  • the suction air-passage portion 56 communicates with the inside of a container case 81 of the filter portion 80, which will be described later, and also communicates with a dust collecting chamber 73 of a dust collecting case portion 74, which will be described later, through the connection opening 56A formed in the right side wall portion 156 (See Fig. 12 ).
  • the dust collecting container 410 has, as shown in Figs. 11 and 12 , a communication case portion 72 having a communication path 71 extending in the horizontal direction formed in an upper portion and a dust collecting case portion 74 for collecting dust having the dust collecting chamber 73 extending downward from a right end portion of the communication case portion 72 (in Fig. 12 ).
  • an opening 72A communicating with the communication path 71 (See Fig. 12 ), a hook 72F, and a recess 76 are formed as shown in Fig. 11 .
  • a rib 72R extending in the vertical direction is formed in the recess 76.
  • the opening 72A is, as shown in Fig. 12 , connected to the introduction opening 53A of the dust separation section 52.
  • connection opening 75 is formed in a left side wall section 74A of the dust collecting case portion 74, and a net filter NF3 is mounted over this connection opening 75.
  • the dust collecting case portion 74 has a lid 74A capable of being opened or closed, and as shown in Fig. 11 , a rib 74R extending downward is formed at a lower portion of the lid 74A.
  • the lid 74A is disposed to be rotatable around the axis 74J so as to be opened or closed.
  • the introduction opening 53A of the dust separation section 52 is connected to the opening 72A of the dust collecting container 410, and the connection opening 75 of the dust collecting container 410 is connected to the connection opening 56A of the suction air-passage portion 56 of the dust separation unit 400.
  • the filter portion 80 has the cylindrical container case 81 having a rear surface opened as shown in Fig. 13 and a pleated filter body (secondary filter) 100 as a filtering separation section mounted rotatably in the container case 81.
  • This pleated filter body 100 is constituted by a pleated filter 104 as a filter element, and a support frame, not shown, for holding the pleated filter 104.
  • the dust separation section 52 See Fig. 10 ) is integrally formed.
  • a connection opening 84A is formed in the front wall section 84 of the container case 81, as shown in Figs. 12 and 13 , and the connection opening 84A is connected to the suction air-passage portion 56.
  • the inside of the container case 81 and the suction air-passage portion 56 are communicated with each other through this connection opening 84A.
  • the suction air-passage portion 56 is a communication air passage through which the dust separation section 52 and the pleated filter body 100 are communicated with each other.
  • an outside-air introduction port (outside-air introduction hole) 84F for introducing outside air into the container case 81 is formed in an upper portion of the front wall section 84, and as shown in Fig. 30 , a sixth opening/closing valve (outside-air opening/closing member) K6 for opening or closing the outside-air introduction port 84F is provided in the front face of the front wall section 84.
  • the sixth opening/ closing valve K6 is urged in a direction to close the outside-air introduction port 84F by an elastic member 86.
  • a contact piece 87 shown in Fig. 29 is provided, so that the contact piece 87 projects into the container case 81 from the outside-air introduction port 84F.
  • the contact piece 87 is provided with an inclined surface 87a which is increased in an amount projecting into the container case 81 as it extends to the right (in Fig. 29 ).
  • a bottom portion opening 82A is formed, and the other end portion of the return air-passage pipe 2510 is connected to the bottom-portion opening 82A.
  • the inside of the container case 81 on the upstream side of the pleated filter body 100, which will be described later, and the inside of the separation chamber portion 54 of the dust separation section 52 are communicated with each other by means of this return air-passage pipe 2510 (See Fig. 21 ).
  • an air passage from the suction connection port 57a to the suction opening 24A shown by solid-line arrows forms a first flow passage
  • a second flow passage is formed by an air passage from the outside-air introduction port 84F to the suction opening 24A shown by chain-line arrows.
  • the first flow passage is not limited to the air passage shown in Fig. 21 , and it is only necessary that the air passage passes through at least the dust separation section 52 and the filter body 100.
  • the second flow passage is also not limited to the above air passage, and it is only necessary that the air passage passes through at least the container case 81.
  • the pleated filter body 100 has, as shown in Fig. 13 , the pleated filter 104 in which pleats are formed radially from a shaft portion 101A provided at the center position of the container case 81.
  • This shaft portion 101A is rotatably attached to a shaft 2001 (See Fig. 31 ), which will be described later.
  • a rear-surface opening 81B of the container case 81 is mated with the front-surface opening 25B (See Fig. 14 ) of the connection air-passage portion 25 in the main body case 20.
  • the pop-up mechanism 1000 is provided with, as shown in Fig. 7 , a pair of pop-up unit 1100, 1100 (See Fig. 3 ) for popping up the dust collecting container 410 (lifting up the dust collecting container 410 by a spring), locking unit 1200 for fixing the dust collecting container 410 at an attachment position of the dust separation unit 400, and an unlocking unit 1300 for unlocking the locking unit 1200.
  • the pop-up unit 1100 has a cylindrical guide case 1101 with a rectangular section provided on an upper surface of the outer circumferential wall 53 of the dust separation section 52 in the dust separation unit 400 and extending upward, and a spring 1102 (not shown in Fig. 3 ) arranged in the guide case 1101.
  • a pair of slits 1103 (See Fig. 3 ) extending in the vertical direction is formed.
  • the pop-up unit 1110 has a cylindrical guide case 1111 (See Fig. 3 ) provided similarly at the dust collecting unit chamber 22 and a spring 1112 arranged in the guide case 1111.
  • a pair of slits 1113 See Fig. 3 ) extending in the vertical direction is formed.
  • the ribs 72R, 74R (See Fig. 11 ) of the dust collecting container 410 enter the slits 1103, 1113 of the guide cases 1101, 1111 and compress the springs 1102, 1112 (See Fig. 7 ) against the urging force.
  • the dust collecting container 410 is urged upward by the urging force of the springs 1102, 1112.
  • the locking unit 1200 is provided with a slide member 1201 provided at an upper portion of the guide air-passage body 57 so as to be movable in the longitudinal direction (horizontal direction in Fig. 7 ) and extending in the longitudinal direction, a guide cover 1202 (See Fig. 4 ) for covering and guiding the slide member 1201 in the longitudinal direction, and a spring (not shown) for urging the slide member 1201 in the left direction (in Fig. 7 ).
  • a cylinder portion 1203 with a rectangular section protruding upward is formed and the cylinder portion 1203 protrudes from an opening 1202A (See Fig. 3 ) of the guide cover 1202.
  • the cylinder portion 1203 has the longitudinal length set to be shorter than a width of the opening 1202A in the longitudinal direction so as not to obstruct the movement of the slide member 1201 in the longitudinal direction.
  • An opening 1203 is formed in an upper surface of the cylinder portion 1203, and when the dust collecting container 410 is attached to the dust separation unit 400, the hook 72F of the dust collecting container 410 enters the opening 1204 and is engaged with its edge portion (fixing unit) 1204a, and by this engagement, the dust collecting container 410 is locked at a position (attachment position) shown in Fig. 7 .
  • the unlocking unit 1300 is constituted by the slide member 1201 and the pressing portion 705 of the clamp 700 for moving the slide member 1201 to the right (in Fig. 7 ) and the like.
  • the operation section 701 is pressed from the upper side and rotated as shown in Fig. 9
  • the pressing portion 705 of the clamp 700 is brought into contact with a distal end portion 1201a of the slide member 1201 against the urging force of a spring, not shown, so as to move the slide member 1201 rightward.
  • the hook 72F of the dust collecting container 410 is removed from the edge portion 1204a of the opening 1204 in the cylinder portion 1203 of the slide member 1201, and the lock of the dust collecting container 410 is released.
  • the dust removing mechanism 2000 is provided with, as shown in Figs. 31 and 32 , the shaft 2001 rotatably provided at the central portion of the container case 81, an arm 2002 attached to the shaft 2001 and extending upward, and the dust removing unit 2100 provided at an upper portion (distal end portion) of the arm 2002.
  • a third opening/closing valve (communication air-passage opening/closing member) K3 is integrally provided at the lower portion of the arm 2002, and the third opening/ closing valve K3 is integrally rotated with the arm 2002 and the shaft 2001. Then, when the third opening/closing valve K3 is rotated to a position shown in Fig. 31 , it closes the connection opening 84A of the container case 81.
  • connection opening 84A of the container case 81 is opened.
  • the dust removing unit 2100 includes, as shown in Figs. 32 , 35, and 36 , a shaft portion 2101 provided rotatably at a shaft center portion 2002A at the distal end of the arm 2002, a pair of support portions 2102 projecting outward from the shaft portion 2101, a roller 2103 provided rotatably at the distal end portion of the support portion 2102, and a projection (dust remover) 2104 projecting outward from the shaft portion 2101.
  • the pair of support portions 2102 are arranged at a predetermined angle to each other, and the projection 2104 is arranged on a line bisecting the predetermined angle and on the side opposite the support portion 2102.
  • the roller 2103 is brought into contact with a bottom surface 84Ma of a groove 84M of the front wall section 84 of the container case 81 as shown in Fig. 18 , and the projection 2104 is brought into contact with a mountain portion of the pleated filter 104.
  • the groove 84M is formed in an arc shape as shown in Figs. 29 and 31 , and both end portions of the groove 84M regulate the rotation of the arm 2002, and the arm 2002 becomes rotatable within a range of the groove 84M, that is, in the range of the position indicated by the solid line and the position indicated by the chain line shown in Fig. 31 .
  • the projection 2104 is rotatable in the horizontal direction (in Fig. 35 ) around the shaft center 2002A together with the shaft portion 2101, and the projection 2104 is returned to an original position shown in Figs. 32 and 35 by the urging force of a spring BN (See Fig. 18 ).
  • the projection 2104 which is brought into contact with the mountain portion of the pleated filter 104, is rotated around the shaft center 2002A together with the shaft portion 2101. If the pleated filter 104 is rotated by a predetermined angle, the projection 2104 rides over the mountain portion of the pleated filter 104 and is returned to the original position by the urging force of the spring BN. Thereafter, the projection 2104 hits the mountain portion of the subsequent pleated filter 104, and the pleated filter 104 is thereby vibrated so as to shake off fine dust adhering to the pleated filter 104.
  • An interlocking mechanism is composed of the arm 2002, the projection 2104 and the like.
  • the shaft 2001 provided in the container case 81 penetrates through the front wall section 84 and projects forward as shown in Fig. 18 , and as shown in Fig. 19 , a gear 2201 of an opening/closing mechanism 2200 for opening or closing the first opening/closing valve K 1 is provided at the distal end portion of the shaft 2001.
  • the opening/closing mechanism 2200 is provided with, as shown in Figs. 19 and 20 , a rack 2202 meshed with the gear 2201, a slide plate 2203 having the rack 2202 and being movable in the horizontal direction, a support portion 2204 extending forward from one end (left end in Fig. 19 ) of the slide plate 2203 and having a pin 2205 provided at a distal end, and an arm 2208 having a long hole 2206 with which the pin 2205 is engaged and extending from a shaft 2207 of the first opening/closing valve K1.
  • a long hole (slot) 2203A is formed, and into this long hole 2203A, the shaft 2001 is inserted, and since the shaft 2001 is relatively moved along the long hole 2203A, the movement of the slide plate 2203 in the horizontal direction is not obstructed.
  • the pin 2205 engaged with the long hole 2206 of the arm 2208 is relatively movable along the long hole 2206.
  • the arm 2208 is rotated with the shaft 2207, and by the rotation of the shaft 2207, the first opening/closing valve K1 is opened or closed.
  • the first opening/closing valve K1 closes the connection opening 54Aa of the guide air-passage body 57 as shown in Fig. 23 .
  • the sixth opening/closing valve K6 is opened, and the third opening/closing valve K3 closes the connection opening 84A of the container case 81 as shown in Fig. 31 .
  • the first opening/closing valve K1 is moved to the position indicated by the chain line shown in Fig. 23 , the connection opening 54Aa is opened, the sixth opening/closing valve K6 is closed as shown in Fig. 30 , and the third opening/closing valve K3 is moved to the position indicated by a chain line in Fig. 31 so as to open the connection opening 84A of the container case 81.
  • Fig. 37 is a block diagram illustrating a configuration of a control system of the vacuum cleaner.
  • reference numeral 200 denotes a controller for controlling the motors M 1, M2 and the electromagnetic valve 2502 on the basis of the operation of the operation section 13A.
  • the opening/closing valves K1 to K3, K6, 28, 2502, the motors M1, M2, and the controller 200 constitute air-flow control unit.
  • the dust collecting unit 50 is mounted to the dust collecting unit chamber 22 of the cleaner main body 11, and as shown in Fig. 1 , the dust collecting hose 12 is connected to the connection port 11A of the cleaner main body 11, and on the other hand, the suction port body 15 is connected to the hand operation pipe 13 through the extension pipe 14.
  • the first opening/ closing valve K1, the third opening/ closing valve K3, and the fourth opening/ closing valve 28 are opened, while the second opening/closing valve K2, the fifth opening/closing valve 2502, and the sixth opening/closing valve K6 are closed.
  • the slide plate 2203 has been moved rightward from the position shown in Figs. 19 and 20 , the first opening/closing valve K1 is moved to the position indicated by the chain line shown in Fig. 23 , the connection opening 54Aa is opened, the sixth opening/closing valve K6 is closed as shown in Fig. 30 , and the third opening/closing valve K3 is moved to the position shown by the chain line in Fig. 31 so as to open the connection opening 84A of the container case 81.
  • the electric blower 24 is driven.
  • the air is then sucked from the suction opening 24A of the electric blower 24
  • a negative pressure is caused into the container case 81 of the dust collecting unit 50 through a connection air-passage portion, not shown, and it is further caused into the dust collecting case portion 74 and the separation chamber portion 54 of the dust separation section 52 through the suction air-passage portion 56.
  • This negative pressure acts on the dust collecting hose 12, the extension pipe 14, and the suction port body 15 through the guide air-passage body 57, and the dust is sucked with air from the suction port body 15.
  • the sucked dust and air are sucked into the suction connection port 57a of the dust collecting unit 50 through the extension pipe 14 and the dust collecting hose 12.
  • the dust and air sucked into the suction connection port 57a are introduced into the separation chamber portion 54 of the dust separation section 52 through the guide air-passage body 57 and rotated in the separation chamber portion 54 counterclockwise in Fig. 10 . According to this air flow, the second opening/closing valve K2 is forced to be closed even if it is opened.
  • the second opening/closing valve K2 is formed with the same curvature as that of the inner circumferential surface of the separation chamber portion 54 and provided so as to be flush with the inner circumferential surface, and hence, the valve is prevented to become a flow-passage resistance against air flowing through the separation chamber portion 54.
  • the dust and air are separated by inertia, and the air passes through the net filter NF1 (See Fig. 12 ) of the dust separation unit 55 and the net filter NF2 (See Fig. 24 ) of the opening 154B, then further passes through the suction air-passage portion 56 and is sucked into the container case 81 of the filter portion 80.
  • the separated dust are introduced from the introduction opening 53A of the separation chamber portion 54 by inertia into the communication case portion 72 of the dust collecting container 410 with a part of air.
  • the introduced dust and air are sucked into the dust collecting chamber 73 through the communication path 71 of the communication case portion 72, while the dust being collected in the dust collecting chamber 73.
  • the air sucked into the dust collecting chamber 73 is sucked into the suction air-passage portion 56 through the net filter NF3 and further, sucked into the container case 81 of the filter portion 80.
  • the air sucked into the container case 81 passes through the pleated filter 104 of the pleated filter body 100, is sucked into the suction pipe 27 (See Fig. 21 ) in the connection air-passage portion 25 of the cleaner main body 11, and is then, sucked into the suction opening 24A of the electric air blower 24.
  • the air sucked into the suction opening 24A of the electric blower 24 is discharged through the electric blower 24 from a discharge port 20H (See Fig. 21 ) of the cleaner main body 11 shown in Fig. 2 .
  • the operation section 701 of the clamp 700 is pressed from the upper side. According to such pressing, the clamp 700 is rotated counterclockwise around the shaft portion 703 from the position shown in Fig. 7 against the urging force of a spring, not shown.
  • the lock claw 707 of the clamp 700 is removed from the distal end portion 511 of the engagement member 510 in the lid case 500 and the lid case 500 is unlocked.
  • the lid case 500 is opened by the torsion coil spring 18 (See Fig. 5 ) as shown by the chain line in Fig. 16 .
  • the clamp 700 is rotated as shown in Fig. 9 , the pressing portion 705 of the clamp 700 moves the slide member 1201 rightward, and according to this movement, the hook 72F of the dust collecting container 410 is removed from the edge portion 1204a of the opening 1204 in the slide member 1201 and the dust collecting container 410 is unlocked. Further, the ribs 72R, 74R of the dust collecting container 410 are, as shown by Fig. 15 , pushed upward by the urging force of the springs 1102, 1112 of the guide cases 1101, 1111. That is, the dust collecting container 410 is popped up by the urging force of the springs 1102, 1112 as shown in Fig. 17 .
  • the pleated filter body 100 is rotated, and when the projection 2104 of the arm 2002 of the dust removing mechanism 2000 abuts against the mountain portion of the pleated filter 104, the arm 2002 and the shaft 2001 are rotated clockwise from the position indicated by the chain line in Fig. 31 together with the pleated filter body 100.
  • the third opening/closing valve K3 closes the connection opening 84A of the container case 81, and the shaft portion 2011 of the arm 2002 presses the contact piece 87 of the sixth opening/closing valve K6 and opens the sixth opening/closing valve K6. That is, the outside-air introduction port 84F of the container case 81 is opened as shown in Fig. 33 .
  • the electric blower 24 is driven by a predetermined power, and since the sixth opening/closing valve K6 is opened and the lid case 500 is not sealed or closed in the main body case 20, the outside air is introduced from the outside-air introduction portion 84F of the container case 81 as shown in Fig. 22 .
  • the projection 2104 of the arm 2002 rides over the mountain portion 2104 of the pleated filter 104 in accordance with the rotation of the pleated filter 104, and at every time of riding over the mountain portion, the projection 2104 of the arm 2002 hits the mountain portion of the pleated filter 104 and shakes off the fine dust adhering to the pleated filter 104.
  • the fine dust shaken off from the pleated filter 104 is returned by the outside air introduced through the outside-air introduction port 84F to the separation chamber 54 of the dust separation section 52 through the return air passage 2511. That is, the fine dust removed from the pleated filter 104 is discharged from the inside of the container case 81 into the separation chamber 54.
  • the second opening/ closing valve K2 is opened by the outside air flowing through the return air passage 2511 as shown in Fig. 25 , the fine dust shaken off from the pleated filter 104 can be surely returned to the separation chamber 54 of the dust separation section 52.
  • the outside air and the fine dust introduced into the separation chamber 54 are rotated counterclockwise in Fig. 10 , and by this rotation, the fine dust and the air are separated by the inertia force, and the separated fine dust are collected by the inertia force from the introduction opening 53A of the separation chamber 54 through the communication case portion 72 of the dust collecting container 410 to the dust collecting chamber 73.
  • the air separated from the fine dust passes through the net filter NF1 (See Fig. 12 ) of the dust separating unit 55 and the net filter NF2 (See Fig. 25 ) of the opening 154B and is further sucked into the suction air-passage portion 56.
  • the outside air sucked into the suction air-passage portion 56 is sucked into the suction pipe 27 through the bypass air-passage 2500, and then, sucked into the suction opening 24A of the electric blower 24 and discharged from the discharge port 20H of the cleaner main body 11.
  • the driving of the electric blower 24 is stopped, the lattice member 60 is backwardly rotated only for a predetermined angle, and as shown in Fig. 21 , the first opening/closing valve K1, the third opening/closing valve K3, and the fourth opening/closing valve 28 are opened, while the second opening/closing valve K2, the fifth opening/closing valve 2502, and the sixth opening/closing valve K6 are closed.
  • the entire structure can be simplified.
  • an embodiment of air cleaning may include, other than that mentioned hereinabove, such structure that air is not directly blown against the pleated filter 104, and the fine dust floating in a space on the front side of the pleated filter 104 in the container case 81 and the fine dust collected on the bottom portion of the container case 81 are discharged by air flowing into the outside-air introduction port 84F to the outside of the container case 81 from the bottom-portion opening 82A.
  • the dust remover 2104 removes the dust by the hitting to mountain portion, but the present invention is not limited thereto.
  • it may be so configured that when the dust remover 2104 hits the holding frame of the pleated filter body 100, its vibration is transmitted to the pleated filter 104, and the dust of the pleated filter 104 is removed by this vibration.
  • this embodiment is configured such that when the dust remover 2104 is brought into contact with the mountain portion of the pleated filter 104, the rotation operation of the pleated filter body 100 is transmitted to the arm 2002 on which the dust remover 2104 is provided.
  • the present invention is not, however, limited to this embodiment, and for example, it may possible that the rotation of the pleated filter body 100 is transmitted to the arm 2002 by bringing the dust remover 2104 into contact with the holding frame of the pleated filter body 100.
  • this embodiment is configured such that the pleated filter 104 includes the pleats formed radially, the present invention is not limited thereto.
  • the direction of the pleats may exclude a structure other than radial direction, such as one direction or multi directions, for example.
  • the radial direction of the pleats as in this embodiment may be preferred.

Landscapes

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

Claims (4)

  1. Aspirateur (10) comprenant :
    une section de séparation de poussière (52) pour séparer la poussière et l'air aspiré par un ventilateur électrique ;
    une section de collecte de poussière (410) pour collecter la poussière séparée de l'air dans la section de séparation de poussière ;
    une section de séparation filtrante (100) prévue en rotation dans un boîtier formant récipient (81) positionné sur un côté en aval de la section de séparation de poussière (52) et séparant la poussière fine passant par la section de séparation de poussière (52) de l'air ;
    une unité d'entraînement pour faire tourner la section de séparation filtrante (100) ;
    un trou d'introduction d'air extérieur (84F) formé sur le boîtier formant récipient (81) pour introduire l'air extérieur dans le boîtier formant récipient (81) ;
    un élément d'ouverture/fermeture de trou d'introduction d'air extérieur (K6) pour ouvrir ou fermer le trou d'introduction d'air extérieur (84F) ;
    un passage de communication (56) pour faire communiquer la section de séparation de poussière (52) et le boîtier formant récipient (81) ; et
    un élément d'ouverture/fermeture de passage d'air de communication (K3) pour ouvrir ou fermer le passage d'air de communication (56),
    caractérisé en ce que l'on prévoit une unité de contrôle de débit d'air (K1-K3, K6, 28, 2502, M1, M2, 200) pour former lors d'un procédé de purification d'air :
    pour le nettoyage habituel, un premier passage d'écoulement s'étendant à travers la section de séparation de poussière (52), le passage d'air de communication (56) et la section de séparation filtrante (100) et étant aspiré par le ventilateur électrique (24) ; et
    pour la purification de l'air du boîtier formant récipient (81), un second passage d'écoulement aspiré par le ventilateur électrique (24) sans que l'air introduit par le trou d'introduction d'air extérieur (84F) ait besoin de passer par la section de séparation filtrante (100) ; et
    en ce que l'on prévoit un mécanisme de verrouillage (2002, 2104) pour verrouiller l'élément d'ouverture/fermeture d'air extérieur (K6) et l'élément d'ouverture/fermeture de passage d'air de communication (K3) selon la rotation de la section de séparation filtrante (100) par l'unité d'entraînement, de sorte que le premier passage d'écoulement est formé en ouvrant l'élément d'ouverture/fermeture de passage d'air de communication (K3) en faisant tourner la section de séparation filtrante (100) dans une direction et en fermant l'élément d'ouverture/fermeture d'air extérieur (K6), et le second passage d'écoulement est formé en fermant l'élément d'ouverture/fermeture de passage d'air de communication (K3) en faisant tourner la section de séparation filtrante (100) dans une autre direction et en ouvrant l'élément d'ouverture/fermeture d'air extérieur (K6).
  2. Aspirateur (10) selon la revendication 1, dans lequel la section de séparation filtrante (100) est prévue avec un filtre plissé (104) ayant un certain nombre de rainures de filtre disposées de manière radiale, l'élément de verrouillage (2002, 2104) est prévu avec une unité d'extraction de poussière (2100) ayant un extracteur de poussière (2000) mis en prise avec le filtre plissé (104), et l'élément d'ouverture/fermeture de passage d'air de communication (K3) et l'élément d'ouverture/fermeture d'air extérieur (K6) sont ouverts ou fermés selon la rotation de la section de séparation filtrante (100) à travers l'unité d'extraction de poussière (2100) lors de la rotation de la section de séparation filtrante (100).
  3. Aspirateur (10) selon la revendication 2, dans lequel l'unité d'extraction de poussière (2100) commence à extraire la poussière du filtre (104) après l'achèvement de l'opération d'ouverture ou de fermeture de l'élément d'ouverture/fermeture de passage d'air de communication (K3) et de l'élément d'ouverture/fermeture d'air extérieur (K6).
  4. Aspirateur (10) selon la revendication 3, dans lequel l'unité d'extraction de poussière (2100) est prévue avec un bras (2002) ayant une extrémité arrière supportée de manière pivotante au niveau d'un centre de rotation du filtre plissé (104) et l'extracteur de poussière (2000) prévu au niveau du bras est amené en contact avec une partie de pic du filtre plissé (104) et 1"extracteur de poussière (2000) est disposé pour pouvoir tourner autour d'un axe du bras et est poussé autour de l'axe.
EP07740645A 2006-08-25 2007-03-30 Aspirateur Ceased EP2064980B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006229886A JP3990428B1 (ja) 2006-08-25 2006-08-25 電気掃除機
PCT/JP2007/057209 WO2008023474A1 (fr) 2006-08-25 2007-03-30 Aspirateur

Publications (3)

Publication Number Publication Date
EP2064980A1 EP2064980A1 (fr) 2009-06-03
EP2064980A4 EP2064980A4 (fr) 2011-06-15
EP2064980B1 true EP2064980B1 (fr) 2013-03-06

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ID=38640075

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Application Number Title Priority Date Filing Date
EP07740645A Ceased EP2064980B1 (fr) 2006-08-25 2007-03-30 Aspirateur

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EP (1) EP2064980B1 (fr)
JP (1) JP3990428B1 (fr)
KR (1) KR101012197B1 (fr)
CN (1) CN101505646B (fr)
RU (1) RU2386383C1 (fr)
WO (1) WO2008023474A1 (fr)

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JP5258438B2 (ja) * 2008-07-31 2013-08-07 株式会社東芝 電気掃除機
KR101250218B1 (ko) 2012-05-15 2013-04-03 이춘우 전기 진공청소기
KR101304213B1 (ko) 2012-07-12 2013-09-10 이춘우 전기 진공청소기
KR101245673B1 (ko) 2012-07-12 2013-03-20 이춘우 진공청소기
KR101372513B1 (ko) 2013-01-17 2014-03-25 주식회사 칼라카나 진공 청소기
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WO2019026308A1 (fr) * 2017-07-31 2019-02-07 シャープ株式会社 Aspirateur
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KR20220135545A (ko) * 2021-03-30 2022-10-07 삼성전자주식회사 청소기
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Also Published As

Publication number Publication date
EP2064980A4 (fr) 2011-06-15
JP3990428B1 (ja) 2007-10-10
KR101012197B1 (ko) 2011-02-08
WO2008023474A1 (fr) 2008-02-28
EP2064980A1 (fr) 2009-06-03
CN101505646A (zh) 2009-08-12
KR20090033492A (ko) 2009-04-03
JP2008048994A (ja) 2008-03-06
RU2386383C1 (ru) 2010-04-20
CN101505646B (zh) 2012-01-04

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