WO2013168754A1 - 電気掃除機 - Google Patents

電気掃除機 Download PDF

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Publication number
WO2013168754A1
WO2013168754A1 PCT/JP2013/063003 JP2013063003W WO2013168754A1 WO 2013168754 A1 WO2013168754 A1 WO 2013168754A1 JP 2013063003 W JP2013063003 W JP 2013063003W WO 2013168754 A1 WO2013168754 A1 WO 2013168754A1
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WO
WIPO (PCT)
Prior art keywords
dust
centrifuge
opening
main body
fine dust
Prior art date
Application number
PCT/JP2013/063003
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
市野　雄之
田中　正俊
江部　清
直子 川村
Original Assignee
株式会社東芝
東芝コンシューマエレクトロニクス・ホールディングス株式会社
東芝ホームアプライアンス株式会社
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 株式会社東芝, 東芝コンシューマエレクトロニクス・ホールディングス株式会社, 東芝ホームアプライアンス株式会社 filed Critical 株式会社東芝
Priority to CN201380024733.2A priority Critical patent/CN104302220B/zh
Priority to KR1020137014983A priority patent/KR101452673B1/ko
Priority to EP13786990.5A priority patent/EP2848176B1/en
Publication of WO2013168754A1 publication Critical patent/WO2013168754A1/ja

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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
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • 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
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1616—Multiple arrangement thereof
    • A47L9/1625—Multiple arrangement thereof for series flow
    • A47L9/1633—Concentric cyclones
    • 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
    • A47L9/1616—Multiple arrangement thereof
    • A47L9/1641—Multiple arrangement thereof for parallel flow
    • 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
    • A47L9/1683—Dust collecting chambers; Dust collecting receptacles

Definitions

  • Embodiment of this invention is related with the vacuum cleaner provided with the dust collector which isolate
  • this type of vacuum cleaner includes a main body case that houses an electric blower and a dust collector that is detachably attached to the main body case.
  • This dust collecting device is a so-called dust collecting cup, and separates and collects dust from dust-containing air sucked by driving of an electric blower.
  • a so-called cyclone separation type in which dust is centrifuged (cyclone separation) by swirling dust-containing air inside.
  • the size and specific gravity of dust that can be separated are set according to the size (swivel diameter) of the separation part, so separate separation parts of different sizes should be provided separately.
  • it is configured so that dusts having different sizes and specific gravity in the dust-containing air can be separated.
  • the air path for dropping fine dust from the second centrifuge unit to the housing unit, the first centrifuge unit, and the air exhausted from the first centrifuge unit 2 The flow path to the centrifuge section has a triple structure, and the lower part has a double structure of an annular region that is a fine dust storage section and a coarse dust storage section, and is therefore stored in the first centrifuge section. Less space for coarse dust is generated. In order to sufficiently secure this space, it is inevitable to increase the size of the first centrifugal separator, that is, the dust collector.
  • the problem to be solved by the present invention is to provide a vacuum cleaner that can effectively store dusts of different sizes while suppressing the increase in size, and can separately collect these dusts effectively. Is to provide.
  • the vacuum cleaner of the embodiment has a main body case that houses an electric blower.
  • this vacuum cleaner has a dust collector that is detachably provided on the main body case and separates and collects dust from the dust-containing air sucked by the operation of the electric blower.
  • the dust collector includes a first centrifugal separator that separates a part of dust in the dust-containing air.
  • the dust collector includes a second centrifuge unit that communicates with the first centrifuge unit and is located above the first centrifuge unit. The second centrifugal separator separates dust that is smaller than the dust separated by the first centrifugal separator in the dust-containing air that has passed through the first centrifugal separator.
  • the dust collector includes an opening / closing lid that can open and close a position below the second centrifugal separator.
  • the opening / closing lid opens the position below the second centrifuge and guides the dust separated by the second centrifuge to the first centrifuge.
  • reference numeral 11 denotes a so-called canister-type vacuum cleaner.
  • the vacuum cleaner 11 has a pipe portion 12 that is a suction air passage body (air passage formation body) and a pipe portion 12 that is detachably connected.
  • a vacuum cleaner main body 13 A vacuum cleaner main body 13.
  • the pipe part 12 is provided on the distal end side of the hose body 16, the connecting pipe part 15 connected to the cleaner body 13, the flexible hose body 16 communicating with the distal end side of the connecting pipe part 15.
  • the hand-operated portion 17 has a loop-shaped gripping portion 21 protruding toward the hose body 16, and a plurality of operation setting buttons 22 are provided above the gripping portion 21.
  • the vacuum cleaner main body 13 includes a main body case 25 having a large-diameter traveling wheel 23 on both sides and a swivel wheel (not shown) at the lower portion, and a dust collecting device that is a dust collecting cup is provided above the main body case 25. 26 is removable.
  • the cleaner body 13 is configured to be able to travel (move) at least along the front-rear direction on the floor surface, which is the surface to be cleaned, by the traveling wheels 23 and the turning wheels.
  • the front-rear direction and the left-right direction are based on the traveling (moving) direction of the cleaner body 13 (main body case 25).
  • the main body case 25 is formed of, for example, a synthetic resin, and supports a main body portion 31 located behind the dust collector 26 and a front portion of the main body portion 31 to support a lower portion of the dust collector 26.
  • a protrusion receiving portion 32 as a dust collector support portion is integrally provided.
  • a main body air passage portion (not shown) is arranged across the main body portion 31 and the protrusion receiving portion 32.
  • the electric blower 35 Inside the main body 31, the electric blower 35, a cord reel device that can supply power to the electric blower 35, etc., or a power supply unit (not shown) such as a secondary battery, and control means for controlling the operation of the electric blower 35
  • a power supply unit such as a secondary battery
  • control means for controlling the operation of the electric blower 35
  • Each of the control circuit units is accommodated.
  • an intake opening that is airtightly connected to the downstream side of the dust collector 26 attached to the main body case 25, and this collection
  • a communication opening connected to the upstream side of the dust device 26 in an airtight manner is positioned above and below to form an opening.
  • An exhaust hole (not shown) for discharging the exhaust from the electric blower 35 to the outside of the main body case 25 is formed at the rear end of the main body 31.
  • the operation of the electric blower 35 is controlled by the control circuit unit according to the operation of the setting button 22.
  • the suction side of the electric blower 35 communicates with the intake opening, and the downstream side communicates with the exhaust hole.
  • the control circuit unit is electrically connected to the setting button 22, and the operation mode set by the operation of the setting button 22 (e.g., strong mode, medium mode, weak mode, automatic mode, stop mode, etc.).
  • the operation of the electric blower 35 is set.
  • a main body suction port 36 to which the connection pipe portion 15 of the pipe portion 12 is connected is formed on the front surface of the protrusion receiving portion 32, and this main body suction port 36 becomes an opening at the upstream end of the main body air passage portion. ing. Therefore, the main body suction port 36 communicates with the communication opening portion via the main body air passage portion, and can communicate with the upstream side of the dust collector 26 via the communication opening portion.
  • the dust collector 26 includes a lower main body portion 38 as a first main body portion positioned on the lower side, and a second main body positioned on the upper side of the lower main body portion 38.
  • An upper main body 39 as a part is detachably provided.
  • the lower main body portion 38 is provided with a first centrifugal separation portion 41 and a fine dust reservoir portion 42 as a dust containing portion
  • the upper main body portion 39 includes a ventilation air passage portion 43 and, for example, A plurality of second centrifugal separators 44 and an air passage 45 are provided.
  • the dust collector 26 is configured to be detachably locked to the main body case 25 by a locking mechanism (not shown).
  • the lower main body portion 38 is configured in a unit shape integrally including a first centrifuge portion 41 located on the lower side and a fine dust reservoir portion 42 located on the upper side.
  • the first centrifugal separator 41 mainly collects and accumulates relatively large dust, that is, coarse dust, which is a part of the dust-containing air sucked into the interior by driving the electric blower 35.
  • the first centrifugal separator 41 is accommodated in a substantially cylindrical case 47, a lower lid 48 as a lid attached to the lower end of the case 47, and the case 47.
  • a substantially cylindrical shade portion 49 which is a connected body as a structure.
  • the case portion 47 is formed of a member such as a transparent (transparent) synthetic resin, for example. Therefore, the inside of the first centrifuge 41 is visible from the outside.
  • an inlet 51 for sucking dust-containing air is opened at the rear part of the case portion 47, and a dust collector 26 is locked to the main body case 25 below the inlet 51.
  • a hook portion 52 as a locking portion protrudes.
  • a waste disposal button portion 53 which is a lid locking means for locking the lower lid portion 48, is disposed at the front portion of the case portion 47.
  • the lower end portion of the case portion 47 is a dust disposal port 54 that is opened and closed by the lower lid portion 48.
  • the introduction port 51 extends rearward substantially horizontally, and is airtightly connected to the communication opening in a state where the dust collector 26 is attached to the main body case 25. Therefore, the introduction port 51 is airtightly connected to the main body suction port 36 through the communication opening.
  • the hook portion 52 is bent downward, and is inserted from above into an insertion opening (not shown) provided at the front portion of the main body portion 31 when the dust collector 26 is attached to the main body case 25. It is configured as follows.
  • waste disposal button part 53 is located at the lower end of the case part 47, and can be unlocked by the user's external operation.
  • the dust disposal port 54 is an opening through which dust accumulated in the first centrifugal separator 41 and the fine dust reservoir 42 can be discarded.
  • the lower lid portion 48 is formed in a circular plate shape, for example, and the rear end portion is pivotally supported by the lower end portion of the case portion 47. Therefore, the lower lid part 48 opens the dust disposal port 54 by its own weight by operating the waste disposal button part 53. Further, a packing 56 for airtightly closing the dust disposal port 54 is attached to the upper peripheral portion of the lower lid portion 48. A circular fitting support portion 57 into which the lower end side of the shade portion 49 is fitted is protruded from the upper central portion of the lower lid portion 48.
  • the shade part 49 forms a swirl air passage 58 for swirling the dust-containing air between the outer periphery and the inner peripheral surface 47a of the case part 47, and the first centrifuge part 41 and each second centrifuge through the inside.
  • a shade part body 61 that is a substantially cylindrical structure body, and a supported part 62 provided on the lower end side of the shade part body 61 And a guided portion 63 provided on the upper end side of the shade portion main body 61 and a compression portion 64 provided on the outer periphery of the supported portion 62.
  • the shade part 49 is the turning center of the first centrifugal separation part 41.
  • the shade section main body 61 includes a plurality of openings 66 in the circumferential direction through which dust-containing air swirling the swirling air passage 58 passes, and the entire opening 66 is covered with a filter 67.
  • a cylindrical connecting portion 68 is coaxially provided on the upper portion of the shade portion main body 61, and the connecting portion 68 is ventilated by the upper body portion 39 via the cylindrical connecting body 69. Suspended and supported by the road portion 43.
  • the connecting body 69 is formed in a bellows shape by a member such as a soft synthetic resin such as rubber or elastomer, and can extend and contract in the axial direction. Therefore, the shade part 49 can move up and down with respect to the case part 47 and the upper body part 39 by expansion and contraction of the connecting body 69.
  • the connection body 69 is configured to keep the connection state between the shade section main body 61 (the shade section 49) and the ventilation air passage section 43 in an airtight state even when the connection body 69 expands and contracts.
  • the supported portion 62 is arranged coaxially with the shade portion main body 61.
  • the supported portion 62 is smaller in diameter than the shade portion main body 61, the lower end side protrudes further downward with respect to the compression portion 64, and the fitting support portion 57 of the lower lid portion 48 that closes the dust disposal port 54 is the lower end.
  • the lower lid portion 48 is configured to be supported from below.
  • the guided portion 63 is for guiding the vertical movement of the shade portion 49, is formed in a cylindrical shape, protrudes upward from the outer periphery on the upper side of the shade portion main body 61, and is positioned outside the connecting body 69. It is connected to the ventilation air passage part 43 at. Further, on the outer periphery of the guided portion 63, an opening / closing lid portion 71 capable of opening and closing the lower portion of the fine dust reservoir portion 42 below the second centrifugal separation portion 44 by moving up and down as the shade portion 49 moves up and down. Is protruding.
  • the opening / closing lid portion 71 has a bowl shape that extends continuously over the entire circumference of the guided portion 63.
  • the entire upper surface of the opening / closing lid 71 is an inclined surface 71a that is inclined outward and downward. Therefore, the opening / closing lid 71 has a triangular shape in cross-sectional view.
  • the compression unit 64 compresses the coarse dust separated in the first centrifugal separation unit 41 by using a negative pressure generated by driving the electric blower 35, from the outer periphery of the supported portion 62 to the radial direction.
  • a circular top plate portion 73 projecting in a bowl shape and a peripheral plate portion 74 projecting downward from the outer peripheral edge of the top plate portion 73 are integrally provided and open downward. Further, a plurality of ventilation openings 75 are opened at substantially equal intervals in the circumferential direction in the top plate portion 73, and these ventilation openings 75 are covered with a compression filter 76.
  • the compressing unit 64 presses coarse dust against the compression filter 76 by passing a part of the dust-containing air swirling in the swirling air passage 58 so as to circulate from the lower side to the ventilation opening 75, thereby supporting the supported portion. It is configured to collect coarse dust around 62 in a compressed state.
  • the fine dust reservoir 42 stores relatively small dust in the dust-containing air that has been centrifuged by each of the second centrifugal separators 44, i.e., fine dust, and is provided in an annular shape.
  • the centrifuge part 41 extends upward with respect to the case part 47 continuously to the entire peripheral edge part of the upper end part of the case part 47. That is, the fine dust reservoir portion 42 includes an inclined surface portion 78 that is inclined downward from the outside to the inside. Further, the fine dust reservoir 42 is open on the upper side and communicates with the lower ends of all the second centrifugal separators 44.
  • the fine dust reservoir 42 is closed by the upper main body 39 on the entire upper side except the communicating part with the second centrifugal separator 44.
  • a contact surface portion 79 inclined toward the first centrifugal separation portion 41 side is provided at the lower end portion of the fine dust reservoir portion 42, that is, below the inclined surface portion 78.
  • the contact surface portion 79 is a portion with which the inclined surface 71a of the opening / closing lid portion 71 contacts, and is inclined downward from the inside to the outside.
  • the upper main body 39 includes a first air passage body 81, a second air passage body 82, an introduction air passage body 83, a separation air passage body 84, an upper lid portion 85, and a communication air passage body as a structure holding portion. It is a unit shape with 86 integrated.
  • the first air passage body 81 is a circular plate-like lower plate portion 91 constituting the lower end portion of the upper body portion 39, and is opened in a circular shape at the center portion of the lower plate portion 91 so as to be airtight with the communication air passage body 86.
  • An opening 92 to be connected, a cylindrical tube portion 93 as a ventilation portion located at the center of the opening 92 and rising upward from the lower plate portion 91, and a rear portion of the tube portion 93 are communicated with A duct portion 94 that extends rearward and is connected to the lower plate portion 91 as a communication ventilation portion, and a cylindrical shape that rises upward from the edge of the opening 92 concentrically with the tube portion 93 outward of the tube portion 93.
  • the wind guide portion 95 is integrally provided.
  • a seal member 96 that closes the gap between the upper body part 39 and the upper part of the lower body part 38 (fine dust reservoir part 42) is attached to the lower part of the lower plate part 91. Further, the air guide portion 95 is inclined so as to approach the center side of the opening 92, that is, the outer periphery of the tube portion 93 upward.
  • the second air passage body 82 has a cylindrical through-cylinder portion 98 as a rectifying portion whose lower end portion is airtightly connected to the upper end portion of the cylindrical portion 93 of the first air passage body 81, and the cylinder passage portion 98. And a flange portion 99 extending in a bowl shape that gradually increases in diameter while being curved outward from the upper end portion thereof. The outer periphery of the flange 99 is in contact with the inner edge of the upper lid 85.
  • the introduction air passage body 83 includes a cylindrical connecting tube portion 101 as a ventilation connection portion that is airtightly connected to an upper end portion of the air guide portion 95 of the first air passage body 81, and an upper end of the connecting tube portion 101.
  • a circular extending portion 102 that extends in a bowl shape so as to face the lower portion of the flange portion 99 from outside to cover the upper side of the separation air passage body 84, and is provided in a spiral lid shape on the extending portion 102
  • a plurality of swivel portions 103 forming the upper end portion of the second centrifugal separation portion 44, an exhaust cylinder portion 104 as an exhaust portion integrally provided in a cylindrical shape at the center of each of the swivel portions 103, and an extension portion 102
  • a branch introducing portion 105 that is provided in communication with the swiveling portions 103 along the tangential direction of the swiveling portions 103 and that introduces dust-containing air into the swirling portions 103.
  • the separation air passage body 84 includes a cylindrical connection tube portion 107 connected to the upper end portion of the air guide portion 95 of the first air passage body 81 outside the connection tube portion 101, and the connection tube portion 107.
  • a circular protrusion 108 extending outward from the upper end of the first air passage body 81 and overlapping the upper portion of the duct portion 94 of the first air passage body 81, and projecting downward from the outer peripheral edge of the protrusion 108 to the upper main body 39.
  • a plurality of separation chambers as a main body of a second centrifuge part that is provided on the projecting part 108 at an inner position of the outer wall part 109 and forms a lower end part of the second centrifuge part 44.
  • the swivel tube portion 110 is integrally provided.
  • these turning cylinder parts 110 are formed in the diameter smaller than the case part 47 of the 1st centrifugation part 41, and also the diameter is gradually reduced from the upper end part to the lower end part. Further, the swirl portions 103 of the introduction air passage body 83 are fitted to the upper end portions of the swirl tube portions 110, respectively, and the lower end portion of the swirl tube portion 110 is the lower plate of the first air passage body 81. The holes 91 are respectively inserted into insertion holes 111 opened in a circular shape and communicated with the fine dust reservoir 42.
  • the upper lid 85 is connected to the upper end of the separation air passage body 84 so as to cover the upper side of the introduction air passage body 83.
  • the communication air passage 86 is substantially cylindrical, and has a cylindrical connection body fixing portion 113 to which the upper end side of the connection body 69 is fixed, and a guided portion 63 positioned outside the connection body fixing portion 113. Is integrally provided with a guide portion 114 that is inserted in a state in which the shade portion 49 is prevented and guides the vertical movement of the shade portion 49.
  • the ventilation air passage 43 connects the first centrifuge 41 and each second centrifuge 44 in an airtight manner.
  • the ventilation air passage portion 43 includes a communication air passage body 86 to an opening 92 of the first air passage body 81, a space between the tube portion 93 and the duct portion 94, and a cylinder passage portion 98 of the second air passage body 82.
  • An airtight partition is formed between the flange portion 99 and the connecting tube portion 101 of the introduction air passage body 83, the extension portion 102, and the swivel portion 103.
  • Each second centrifugal separation is performed via the branch introduction portion 105 and the swivel portion 103. It communicates with the part 44 (inside the swivel cylinder part 110).
  • the ventilation air passage portion 43 rectifies while reducing the flow rate of the dust-containing air from the upstream side (downstream side of the first centrifugal separation portion 41) to the downstream side (upstream side of the second centrifugal separation portion 44). It is configured as follows.
  • Each of the second centrifuges 44 has a turning radius of the dust-containing air smaller than that of the first centrifuge 41 and a turning speed higher than that of the first centrifuge 41.
  • the dust that is (relatively) smaller than the dust that is centrifuged by the first centrifuge 41 in the dust-containing air that has passed through the first centrifuge 41 is centrifuged to obtain fine dust. It is dropped into the reservoir 42.
  • each second centrifuge 44 separates dust that could not be separated by the first centrifuge 41 in the air containing dust.
  • the second centrifugal separator 44 is located above the first centrifugal separator 41 and between the swivel portion 103 and the exhaust tube portion 104 of the introduction air passage body 83 and the swirl tube portion 110 of the separation air passage body 84.
  • the dust-containing air that has passed through the ventilation air passage section 43 from the branch introduction section 105 and the swivel section 103 is introduced into the interior, and swirled in the swivel cylinder section 110, and the fine dust separated by centrifugation is introduced from the lower end section. While being dropped to the fine dust reservoir portion 42, clean air from which fine dust has been separated is exhausted from the exhaust tube portion 104 to the air passage portion 45.
  • the second centrifugal separators 44 are arcuately spaced apart from each other at substantially equal intervals at positions excluding the rear part (duct part 94) around the central axis of the dust collector 26 (first centrifugal separator 41). Is arranged.
  • the air passage portion 45 is provided between each exhaust tube portion 104 and the upper lid portion 85 and the flange portion 99 and the through-cylinder portion 98 of the second air passage body 82, the cylinder portion 93 of the first air passage body 81, the duct portion. 94 and a lower plate portion 91 are hermetically partitioned. That is, the air passage portion 45 communicates with the downstream side of all the second centrifugal separators 44, and from the upper side of each second centrifugal separator 44 to the side of the second centrifugal separators 44, in this embodiment.
  • the second centrifuge portions 44 arranged in an arc shape continue to the center of the second centrifugal separation portion 44 so as to gradually reduce the air flow rate, and are bent backward.
  • the downstream end side of the air passage portion 45 is an exhaust opening 116 for discharging air from the dust collector 26, and is located between the second centrifuge portions 44 and 44 on the rear side.
  • the exhaust opening 116 is airtightly connected to the intake opening in a state where the dust collector 26 is attached to the main body case 25. Therefore, the exhaust opening 116 is airtightly connected to the suction side of the electric blower 35 via the intake opening.
  • the exhaust opening 116 is located on the rear side of the dust collector 26, which is the same side as the inlet 51, and the front of the main body portion 31 of the main body case 25 with the dust collector 26 attached to the main body case 25. Opposite the part.
  • the dust collector 26 When starting cleaning, first, the dust collector 26 is attached to the main body case 25.
  • the dust cover 54 is closed by locking the lower lid part 48 to the lower end part of the case part 47 by the dust disposal button part 53.
  • the inclined surface 71a of the opening / closing lid part 71 is pressed against the contact surface part 79 of the fine dust reservoir part 42, whereby the lower end side of the fine dust reservoir part 42 is closed, and the swirling air channel 58 ( The communication between the first centrifugal separator 41) and the fine dust reservoir 42 is blocked from each other (FIG. 2).
  • the dust collector 26 is placed and supported on the protrusion receiving portion 32 of the main body case 25 while the hook portion 52 is inserted into the insertion opening of the main body case 25 and aligned, and the dust collecting device 26 is supported by the locking mechanism.
  • the inlet 51 and the exhaust opening 116 of the dust collector 26 are airtightly connected to the communication opening and the intake opening of the main body case 25, respectively. Therefore, the dust collector 26 is attached to the main body case 25 in an airtight connection between the suction side of the electric blower 35 and the main body suction port 36.
  • the pipe portion 12 is connected to the main body suction port 36 of the cleaner body 13 (main body case 25). Specifically, the pipe part 12 inserts and connects the connection pipe part 15 to the main body suction port 36, and sequentially connects the extension pipe 18 and the floor brush 19 to the distal end side of the hand operation part 17 as necessary.
  • the setting button 22 of the hand operation unit 17 is electrically connected to a control circuit unit in the cleaner body 13 (main body case 25) and the like. In addition, when the pipe part 12 is already connected to the cleaner body 13, these operations are unnecessary.
  • the user sets the operation mode of the electric blower 35 by holding the holding portion 21 and operating a desired setting button 22.
  • the control circuit unit controls the input of the electric blower 35 corresponding to the set operation mode, and starts the electric blower 35 in the set operation mode.
  • the negative pressure generated by the activation of the electric blower 35 includes an intake opening, an exhaust opening 116, an air passage 45, a second centrifugal separator 44, an aeration air passage 43, a first centrifugal separator 41, an inlet 51, It acts on the pipe portion 12 via the communication opening, the main body air passage portion, and the main body suction port.
  • the dust-containing air that is, the dust-containing air is guided from the pipe portion 12 through the main body suction port 36, the main body air passage portion, and the communication opening portion to the introduction port 51, and from the introduction port 51, the dust collector 26 Into the first centrifuge 41.
  • the dust-containing air swirls in the swirling air passage 58, whereby particularly coarse dust in the dust-containing air is centrifuged and falls along the inner peripheral surface 47a of the case portion 47.
  • the coarse dust is carried from the swirling air passage 58 to the compression part 64 of the shade part 49 by a part of the flow of the dust-containing air, and the dust-containing air passes through the ventilation opening 75 of the compression part 64.
  • the compression filter 76 compresses the compressed portion 64 around the supported portion 62.
  • the dust-containing air from which the coarse dust has been separated is filtered by the filter 67 when passing through the opening 66 of the shade part 49. Further, the dust-containing air that has passed through the filter 67 passes through the inside of the connection portion 68, the connection body 69, and the communication air passage body 86 and is carried to the ventilation air passage portion 43. Then, the dust-containing air is rectified by gradually reducing the flow rate in the ventilation air passage portion 43, and then in each second centrifugal separation portion 44 along the tangential direction from each branch introduction portion 105 to each swivel portion 103. Branches into and flows into (in the swivel cylinder portion 110).
  • the dust-containing air is swirled along the inner peripheral surface (the inner peripheral surface of the rotary cylinder part 110), and fine dust in the dust-containing air is centrifuged. Then, it falls along the second centrifuge 44 (the inner peripheral surface of the swivel cylinder 110) and is stored in the fine dust reservoir 42.
  • the fine dust accumulated in the fine dust reservoir 42 is guided downward along the inclined surface portion 78 of the fine dust reservoir 42, and is located on the inclined surface 71a of the opening / closing lid 71.
  • the fine air from which fine dust has been centrifuged is exhausted from the exhaust tube 104 at the center of each second centrifugal separator 44 to the air passage 45 where it joins. Then, it is guided rearward and exhausted from the exhaust opening 116 to the outside of the dust collector 26.
  • the air is sucked into the electric blower 35 from the intake opening, passes through the electric blower 35 while cooling, and becomes exhausted air, and is discharged from the electric blower 35 to the outside of the main body case 25 through the exhaust hole. Is exhausted.
  • the user When the cleaning is completed, the user operates a predetermined setting button 22 so that the control circuit unit reduces the input of the electric blower 35 and stops the electric blower 35.
  • the user When a certain amount of dust accumulates in the dust collector 26, the user removes the dust collector 26 from the main body case 25 by externally operating the locking mechanism.
  • the lower lid portion 48 is rotated so as to open due to its own weight, so that the shade portion 49 is The support portion from the lower side is lost, and the guided portion 63 is guided by the guide portion 114, and the shade portion 49 moves under its own weight while extending the connecting body 69 (FIG. 1).
  • the inclined surface 71a of the open / close lid portion 71 is separated from the contact surface portion 79 of the fine dust reservoir portion 42, and the fine dust stored in the fine dust reservoir portion 42 is moved downward (first centrifugal separation portion 41) by the inclined surface 71a. And the coarse dust accumulated in a compressed state on the lower lid portion 48 and discarded from the dust disposal port 54.
  • the open / close lid portion 71 is below each second centrifugal separation portion 44 in conjunction with the opening and closing of the lower portion of the first centrifugal separation portion 41 by the lower lid portion 48.
  • the lower portion of the fine dust reservoir 42 can be reliably closed by the opening / closing lid 71, so that, for example, when the dust collector 26 is attached to the main body case 25, the fine dust reservoir The lower part of 42 is always closed, and it is possible to reliably prevent the fine dust accumulated in the fine dust reservoir 42 from leaking to the first centrifugal separator 41. For this reason, coarse dust and fine dust can be stored separately in a state where they are always separated, and these can be discarded together only when the lower lid portion 48 is opened to discard the dust. In other words, unless dust is to be discarded, coarse dust and fine dust do not mix inside the dust collector 26 (first centrifuge 41), and when the electric blower 35 is driven, it is fine. Dust does not rise in the dust collector 26 and circulate to each second centrifuge 44.
  • the shade portion 49 is not supported by the lower lid portion 48 and is suspended and held on the communication air passage body 86 of the upper body portion 39 so as to be movable up and down.
  • the shade portion 49 is held against the guide portion 114 of the communication air passage body 86 via the guided portion 63 and is airtightly connected to the ventilation air passage portion 43.
  • the shade portion 49 is airtightly connected to the ventilation air passage portion 43 by the guided portion 63 being slidably connected to the guide portion 114 along the vertical direction.
  • the shade portion 49 moves upward so as to be sucked toward the fine dust reservoir portion 42 due to the pressure difference of the negative pressure generated by driving the electric blower 35, so that the inclined surface 71a of the open / close lid portion 71 Is pressed against the contact surface 79 of the fine dust reservoir 42 and hermetically closes the lower portion of the fine dust reservoir 42, and drops due to its own weight when the electric blower 35 stops, and the inclined surface 71a of the opening / closing lid 71 The pressure contact with the contact surface 79 of the fine dust reservoir 42 is released.
  • the shade part 49 When cleaning, in the dust collector 26 attached to the main body case 25 as in the first embodiment, the shade part 49 has fallen downward due to its own weight.
  • the negative pressure difference between the first centrifugal separator 41 and the fine dust reservoir 42 communicating with each of the second centrifugal separators 44 located downstream of the first centrifugal separator 41 Due to the fact that the vacuum degree of the fine dust reservoir 42 (second centrifuge 44) is larger than the vacuum of the first centrifuge 41), the shade 49 is instantaneously sucked upward, and the open / close lid 71
  • the inclined surface 71a is brought into pressure contact with the abutment surface portion 79 of the fine dust reservoir 42, and the lower portion of the fine dust reservoir 42 is hermetically closed.
  • the negative pressure is not applied, so that the shade part 49 is automatically dropped by its own weight, and the inclined surface 71a of the opening / closing lid part 71 is moved to the fine dust storage part 42. It is separated from the contact surface portion 79. Accordingly, the fine dust separated by the second centrifugal separators 44 and stored in the fine dust reservoir 42 is guided downward (on the first centrifugal separator 41 side) by the inclined surface 71a, and the lower lid 48. Accumulate on top (in the first centrifuge 41).
  • the user removes the dust collector 26 from the main body case 25 by operating the locking mechanism externally, the user moves it to a disposal position such as a trash can and operates the trash disposal button part 53 externally.
  • a disposal position such as a trash can and operates the trash disposal button part 53 externally.
  • fine dust is discarded from the dust disposal port 54 together with coarse dust accumulated in a compressed state on the lower lid portion 48.
  • the shade part 49 is sucked toward the second centrifugal separation part 44 side by the negative pressure generated by the driving of the electric blower 35, and the electric blower 35 is closed. Since the operation of the negative pressure is eliminated when the operation stops, the opening / closing lid portion 71 that opens and closes the lower portion of the fine dust reservoir portion 42 below each second centrifugal separation portion 44 by a vertical movement is simply configured. While the electric blower 35 is driven, that is, during cleaning, it is ensured that fine dust accumulated in the fine dust reservoir 42 leaks to the first centrifugal separator 41 side. Can be prevented.
  • an open / close lid portion 71 that opens and closes the fine dust reservoir portion 42 that is a position below each second centrifuge portion 44 is provided. For this reason, in the state where the fine dust reservoir 42 below the second centrifugal separator 44 is closed by the opening / closing lid 71, the fine dust centrifuged by each second centrifugal separator 44 is accumulated in the fine dust reservoir 42. Therefore, the coarse dust centrifuged by the first centrifuge 41 and the fine dust centrifuged by the second centrifuge 44 can be stored separately. Therefore, fine dust and coarse dust can be effectively stored separately while securing a space without increasing the size of the dust collector 26 more than necessary.
  • each second centrifuge 44 In addition, in the state where the fine dust reservoir 42 below each second centrifuge 44 is opened by the opening / closing lid 71, the fine centrifuge separated by each second centrifuge 44 is on the first centrifuge 41 side. Therefore, when discarding the coarse dust centrifuged in the first centrifuge 41, the fine dust centrifuged in each second centrifuge 44 can be discarded together. Become. Therefore, these dusts can be easily discarded.
  • the first centrifuge unit 41 is provided with an open / close lid 71 integrally with the shade unit 49 that swirls the dust-containing air along the outer side (outer periphery), so that the shade used for the centrifuge of the first centrifuge unit 41 is provided.
  • an open / close lid 71 integrally with the shade unit 49 that swirls the dust-containing air along the outer side (outer periphery), so that the shade used for the centrifuge of the first centrifuge unit 41 is provided.
  • the entire upper surface of the opening / closing lid portion 71 is formed as an inclined surface 71a inclined downward on the first centrifuge portion 41 side, so that when the lower portion of the fine dust reservoir portion 42 is opened, this fine dust reservoir The fine dust accumulated in the portion 42 can be reliably dropped and guided to the first centrifugal separation portion 41 side without remaining on the upper side of the opening / closing lid portion 71.
  • the lower portion of the fine dust reservoir portion 42 an inclined surface portion 78 inclined downward on the first centrifugal separation portion 41 side, fine dust accumulated in the fine dust reservoir portion 42 is reduced to the fine dust reservoir portion.
  • the lower part of 42 can be stored in a state of being reliably moved to the opening / closing lid part 71 side that opens and closes. Therefore, when the lower portion of the fine dust reservoir 42 is opened by the opening / closing lid 71, the first centrifugal separator is not left in the fine dust reservoir 42 without causing the fine dust accumulated in the fine dust reservoir 42 to remain in the fine dust reservoir 42. It can be reliably dropped to the 41 side.
  • the fine dust collected in the fine dust reservoir 42 is easily guided to the first centrifugal separator 41 side without providing a driving body or the like for moving the fine dust to the first centrifugal separator 41 side. It is possible to prevent the increase in the number of parts and the weight of the dust collecting device 26.
  • the fine dust reservoirs 42 communicating with the second centrifugal separators 44 have a higher degree of vacuum than the first centrifugal separators 41. Since the force acts on the shade portion 49 in the direction in which the lid portion 71 is sucked up toward the fine dust reservoir portion 42, that is, upward, the lower end portion of the fine dust reservoir portion 42 is more reliably closed by the opening / closing lid portion 71. It can be maintained in a state.
  • the number of the second centrifuge units 44 is not limited to a plurality, and for example, only one second centrifuge unit 44 may be disposed above the first centrifuge unit 41.
  • the opening / closing lid portion 71 is configured to move integrally with the shade portion 49, but in conjunction with the opening / closing of the first centrifuge portion 41 below the first lid portion 48 by the lower lid portion 48 separately from the shade portion 49, Alternatively, an open / close lid portion 71 that opens and closes the lower portion of the fine dust reservoir portion 42 by operating with a negative pressure generated by driving the electric blower 35 may be provided.
  • the open / close lid 71 opens and closes the lower portion of the fine dust reservoir 42 below the second centrifuge 44, but for example, directly opens the lower end of the swivel cylinder 110 of the second centrifuge 44. You may comprise so that it may open and close.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
PCT/JP2013/063003 2012-05-11 2013-05-09 電気掃除機 WO2013168754A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201380024733.2A CN104302220B (zh) 2012-05-11 2013-05-09 电动吸尘器
KR1020137014983A KR101452673B1 (ko) 2012-05-11 2013-05-09 전기 청소기
EP13786990.5A EP2848176B1 (en) 2012-05-11 2013-05-09 Electric vacuum cleaner

Applications Claiming Priority (2)

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JP2012-109679 2012-05-11
JP2012109679A JP2013236671A (ja) 2012-05-11 2012-05-11 電気掃除機

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WO2013168754A1 true WO2013168754A1 (ja) 2013-11-14

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EP (1) EP2848176B1 (ko)
JP (1) JP2013236671A (ko)
KR (1) KR101452673B1 (ko)
CN (1) CN104302220B (ko)
MY (1) MY174041A (ko)
WO (1) WO2013168754A1 (ko)

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JP2020192243A (ja) * 2019-05-30 2020-12-03 東芝ライフスタイル株式会社 集塵装置及び電気掃除機

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JP6647810B2 (ja) * 2015-07-03 2020-02-14 東芝ライフスタイル株式会社 電気掃除機
JP2017055835A (ja) * 2015-09-14 2017-03-23 東芝ライフスタイル株式会社 電気掃除装置
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US10322873B2 (en) 2016-12-28 2019-06-18 Omachron Intellectual Property Inc. Dust and allergen control for surface cleaning apparatus
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US10244910B2 (en) 2016-12-28 2019-04-02 Omachron Intellectual Property Inc. Dust and allergen control for surface cleaning apparatus
GB2563668B (en) * 2017-06-23 2020-04-15 Dyson Technology Ltd Dirt separator and vacuum cleaner
GB2563667A (en) * 2017-06-23 2018-12-26 Dyson Technology Ltd Dirt separator and vacuum cleaner
JP7126391B2 (ja) * 2018-03-08 2022-08-26 シャープ株式会社 集塵装置およびそれを備えた電気掃除機
JP2019213762A (ja) * 2018-06-14 2019-12-19 三菱電機株式会社 集塵装置およびそれを用いた電気掃除機
JP6818808B2 (ja) * 2019-05-17 2021-01-20 日立グローバルライフソリューションズ株式会社 電気掃除機およびその集塵装置
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Also Published As

Publication number Publication date
KR101452673B1 (ko) 2014-10-22
KR20140009243A (ko) 2014-01-22
MY174041A (en) 2020-03-05
EP2848176A4 (en) 2015-12-16
CN104302220A (zh) 2015-01-21
EP2848176A1 (en) 2015-03-18
EP2848176B1 (en) 2017-07-26
CN104302220B (zh) 2016-11-16
JP2013236671A (ja) 2013-11-28

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