WO2010001674A1 - 電気掃除機 - Google Patents

電気掃除機 Download PDF

Info

Publication number
WO2010001674A1
WO2010001674A1 PCT/JP2009/059755 JP2009059755W WO2010001674A1 WO 2010001674 A1 WO2010001674 A1 WO 2010001674A1 JP 2009059755 W JP2009059755 W JP 2009059755W WO 2010001674 A1 WO2010001674 A1 WO 2010001674A1
Authority
WO
WIPO (PCT)
Prior art keywords
main body
rear wheel
wheel
cleaned
vacuum cleaner
Prior art date
Application number
PCT/JP2009/059755
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
保志 高井
裕司 大塚
雄之 市野
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 CN200980116232.0A priority Critical patent/CN102014720B/zh
Priority to EP09773252.3A priority patent/EP2305089A4/en
Publication of WO2010001674A1 publication Critical patent/WO2010001674A1/ja

Links

Images

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
    • A47L9/009—Carrying-vehicles; Arrangements of trollies or wheels; Means for avoiding mechanical obstacles

Definitions

  • the present invention relates to a vacuum cleaner provided with traveling wheels rotatably provided on both sides of a main body case.
  • this type of vacuum cleaner has a main body case, an electric blower accommodated in the main body case, and a main body provided with a dust collecting portion arranged in the main body case in communication with the suction side of the electric blower A vacuum cleaner main body.
  • Running wheels for running are rotatably supported on both sides of the main body case.
  • a swivel wheel that is in contact with a floor surface that is a surface to be cleaned during travel is rotatably disposed at a substantially central position in the left-right width direction in front of the rotation shaft of the travel wheel of the main body case.
  • the rear wheel that contacts the floor surface is rotatably arranged when the front side is lifted when overcoming an obstacle such as a sill. (For example, refer to Patent Document 1).
  • JP-A-4-343815 (second page, FIG. 4)
  • the swirling wheel is arranged in a state that always protrudes to the floor side with respect to the cleaner body. Therefore, the swirling wheel becomes a resistance when the cleaner body turns, and the cleaner body turns. Sex is reduced.
  • This invention is made in view of such a point, and it aims at providing the vacuum cleaner which can improve straightness, without reducing the turning property of a main-body part.
  • the present invention is a traveling wheel that is rotatably provided on both sides of the main body case and below the center of gravity of the main body portion, and is capable of moving forward and backward to the surface to be cleaned behind the rotating shaft of the traveling wheel of the main body case. And a rear wheel that is urged in a direction to advance toward the surface to be cleaned and that can contact the surface to be cleaned in the advanced state.
  • the rear wheel that can be moved back and forth with respect to the surface to be cleaned behind the rotating shaft of the traveling wheel and that can contact the surface to be cleaned in the advanced state is attached in a direction to advance toward the surface to be cleaned.
  • the rear wheel comes into contact with the surface to be cleaned with an appropriate contact pressure, so that straightness can be improved as compared with the case of traveling with only the traveling wheels without reducing the turning performance of the main body.
  • FIGS. 1 to 5 the configuration of a vacuum cleaner according to an embodiment of the present invention will be described with reference to FIGS. 1 to 5.
  • reference numeral 11 denotes a so-called canister-type vacuum cleaner.
  • the vacuum cleaner 11 has a pipe portion 12 and a vacuum cleaner body 13 as a main body portion to which the pipe portion 12 is detachably connected. is doing.
  • the pipe part 12 includes a connection pipe part 15 whose front end side is bent forward with respect to a base end side connected to the cleaner body 13, and a flexible hose body 16 communicating with the front end side of the connection pipe part 15.
  • a hand operating part 17 provided on the front end side of the hose body 16, an extension pipe 18 detachably connected to the front end side of the hand operating part 17, and a hand attached to the front end side of the extension pipe 18 And a floor brush 19 as a suction port to be connected.
  • the hand operating part 17 has a gripping part 21 projecting toward the hose body 16, and the gripping part 21 is provided with a plurality of setting buttons 22 for operation.
  • the cleaner body 13 includes a body case 25.
  • a partition wall 26 is provided inside the body case 25, and an electric blower 27 is accommodated on the rear side of the partition wall 26.
  • the electric blower chamber (not shown) and the cord reel chamber (not shown) that accommodates the cord reel (not shown) around which the power cord 31 is wound are partitioned, and the partition 26 is provided on the front side of the partition 26 (not shown).
  • a main body dust collection chamber 35 communicating with the suction side of the electric blower 27 is defined through the communication port, and a dust collection cup 36 as a dust collector is detachably provided in the main body dust collection chamber 35.
  • the main body case 25 is made of, for example, a synthetic resin, and has a lower case 41 that is open on the upper side, an upper case 42 that covers the electric blower chamber and the cord reel chamber, which is an upper rear portion of the lower case 41, and the upper case 42 or A lid 43 that is pivotally supported so as to be pivotable in the vertical direction with respect to the lower case 41 and capable of opening and closing the main body dust collecting chamber 35 is provided.
  • the lower case 41 has a rear curved surface 45 curved to the rear upper side on the lower surface facing the floor surface F, which is a surface to be cleaned, and is continuously flat on the front side of the rear curved surface 45.
  • a flat surface 46 is provided at a substantially central position in the front-rear direction, and a front curved surface 47 that is continuous with the front side of the flat surface 46 and is curved in a substantially arc shape toward the upper front side is provided on the front side.
  • a large-diameter traveling wheel 51 for traveling of the cleaner body 13 is rotatably supported.
  • a rear wheel 52 is provided on the rear curved surface 45 of the lower case 41.
  • a front wheel 53 is rotatably provided on the front curved surface 45 of the lower case 41.
  • each traveling wheel 51 has a wheel portion 55 that is a substantially disc-shaped traveling wheel body, and a wheel portion 56 that is attached to cover the entire outer periphery of the wheel portion 55. is doing.
  • the wheel portion 55 is formed of, for example, a hard synthetic resin, and a central portion is a rotating shaft 57 that is rotatably supported by the lower case 41.
  • the wheel portion 56 is a portion that comes into contact with the floor surface F, and is made of a synthetic resin that is softer than the wheel portion 55 such as rubber or elastomer.
  • the rear wheel 52 includes a shaft support 61 that is rotatably supported by the lower case 41, and a rear wheel body 62 that is rotatably supported by the shaft support 61. Further, the rear wheel 52 is attached in a concave attachment portion 63 attached to the lower case 41, and is movable forward and backward with respect to the lower case 41 (main body case 25). Further, the rear wheel 52 is disposed at a substantially central position in the left-right width direction of the cleaner body 13 (main body case 25).
  • the shaft support 61 is formed in a square shape in a plan view and a triangular shape in a side view, the front end portion is the front portion of the attachment portion 63, and a position behind the rotation shaft 57 of the traveling wheel 51 of the lower case 41
  • the rear wheel main body 62 is pivotally supported on the rear end side. Therefore, as shown in FIGS. 2 (a) and 2 (b), the shaft support portion 61 is configured such that the rear side moves up and down by rotation. Further, the position of the front end side that is pivotally supported by the lower case 41 of the shaft support 61 is the center position of the rotation shaft 57 of the traveling wheel 51 and the center of the rotation shaft of the rear wheel body 62 in a side view. It is located below the connecting line L.
  • the inclination of the line L varies depending on the rotation position of the shaft support 61 and increases as the shaft support 61 advances toward the floor surface F.
  • the front side of the shaft support 61 is increased. Is supported by the lower case 41 below the line L in the entire rotation range of the shaft support 61.
  • the shaft support 61 is urged by a coil spring 65 as urging means so that the rear side protrudes downward, that is, toward the floor surface F side.
  • the coil spring 65 is disposed in front of the rear wheel main body 62 and in a position behind the front end portion of the shaft support portion 61, that is, a portion that pivotally supports the shaft support portion 61 on the lower case 41. Yes.
  • the coil spring 65 can be formed from a portion that pivotally supports the shaft support 61 on the lower case 41, that is, from the front end of the shaft support 61, in order to easily protrude the rear wheel 52 from the main body case 25. It is preferable that the positions are as far apart as possible.
  • the rear wheel main body 62 is a horizontally long cylindrical shape having an axial direction along the left-right direction, and a raised cloth 67 is attached to the outer peripheral surface. And this rear-wheel main body 62 is the floor surface in the driving
  • the mounting portion 63 is fitted into a hole 69 having a rectangular shape in plan view formed in the lower case 41.
  • the front wheel 53 includes a front wheel shaft support 71 fixed to the lower case 41, and a front wheel body 72 rotatably supported by the front wheel shaft support 71. Further, the front wheel 53 is a rear wheel 52 with respect to a straight line connecting the central axes of the rotating shafts 57 of the traveling wheels 51 and 51 at a substantially central position in the left-right width direction of the cleaner body 13 (main body case 25). And are arranged at substantially symmetrical positions. In other words, the distance in the front-rear direction from the rotating shaft 57 of the traveling wheel 51 to the central axis of the front wheel 53 is set to be approximately equal to the distance in the front-rear direction from the rotating shaft 57 of the traveling wheel 51 to the central axis of the rear wheel 52. ing.
  • the front wheel 53 and the rear wheel 52 are arranged at approximately equal distances in the front-rear direction with respect to the rotation shaft 57 of the traveling wheel 51. Further, the front wheel 53 is positioned at a lower end side higher than a position of a lower end portion of the wheel portion 56 which is a lower end portion of the traveling wheel 51, and does not contact the floor surface F in a normal traveling state, so that the step D The step D is configured to come into contact only when getting over.
  • the front wheel shaft support portion 71 includes a pair of shaft support plates 74 and 74 protruding downward from the lower case 41.
  • the front wheel main body 72 is a horizontally long cylindrical shape having an axial direction along the left-right direction, and both ends are pivotally supported by the shaft support plates 74, 74, and a raised cloth 76 is attached to the outer peripheral surface.
  • the front wheel main body 72 has a width dimension substantially equal to that of the rear wheel main body 62.
  • the upper case 42 has a large number of exhaust ports (not shown) communicating with the downstream side of the electric blower chamber (code reel chamber), and the power cord 31 is connected to the side of these exhaust ports of the main body case 25.
  • a cord outlet 77 for leading to the outside is formed.
  • a handle 78 which is a main body gripping part for gripping the cleaner main body 13, is provided on the upper part of the upper case 42 so as to be rotatable in the front-rear direction.
  • a cord winding button 79 is provided on the upper case 42 so that the cord reel can be rotated to wind the power cord 31 from the cord outlet port 77.
  • the lid body 43 is pivotally supported at the rear end side thereof, and a clamp 81 for engaging and disengaging the lid body 43 with respect to the lower case 41 is provided at the front end portion.
  • the lid 43 is formed with a circular inclined portion 82 that is inclined to the upper front side, and the inclined portion 82 is connected to the main body suction port 83 to which the connecting pipe portion 15 of the pipe portion 12 is connected. Is provided so as to be rotatable in the circumferential direction.
  • the electric blower 27 is powered by a power supply via a power cord 31 and operates in a predetermined operation mode set by the setting button 22, and sucks dust together with air via the pipe portion 12. For example, it is a heavy object having the largest weight among the various members arranged in 25.
  • the electric blower 27 is disposed in the electric blower chamber with the front side serving as the suction side and the rear side serving as the exhaust side, and the body case 25 as a whole is biased to the rear side.
  • the electric blower 27 may be at least partially covered with, for example, a cover body.
  • the cord reel is a heavy article disposed in the cord reel chamber at the side of the electric blower 27, and the main body case 25 as a whole is biased to the rear side.
  • the position of the center of gravity of the cleaner body 13 is located on the rotating shaft 57 of the traveling wheel 51.
  • the dust collection cup 36 collects dust contained in the suction air by centrifugal separation (cyclone separation), and includes a cup body 85 that is an outer case as a dust collector body.
  • An inner case 86 as an internal case detachably provided inside the cup body 85
  • a cup lid 87 as a lid provided rotatably on the cup body 85
  • a filter unit 88 to be attached and detached.
  • a coarse dust collecting chamber 91 which is a first dust collecting portion as a dust collecting chamber for collecting coarse dust such as cotton dust and a filter unit 88 are attached.
  • a dust disposal port 95 communicating with the coarse dust collection chamber 91 and the fine dust collection chamber 94 and opened and closed by a cup lid 87.
  • An opening / closing operation button 96 for opening / closing the cup lid 87 is disposed on the side of the cup body 85.
  • a cylindrical intake cylinder portion 98 that defines a round hole-like intake port 97 that communicates with the coarse dust collecting chamber 91 is formed in the upper portion of the cup body portion 85.
  • a packing 99 as a seal member is attached to the entire dust disposal port 95.
  • the air inlet 97 circulates air containing dust sucked through the pipe portion 12 in the coarse dust collecting chamber 91 as shown by an arrow A, and is attached to the main dust collecting chamber 35.
  • the lid 43 is closed so that it is connected to the downstream side of the main body suction port 83 in an airtight manner.
  • the middle case 86 defines a communication chamber 93 between the cup body 85 and a communication opening 101 for communicating the coarse dust collection chamber 91 and the communication chamber 93 is formed in both sides.
  • a side filter 102 as a filter is attached to each communication opening 101.
  • a cylindrical communication tube portion 103 that is airtightly connected to the lower end side that is the downstream side of the intake tube portion 98 is formed in the upper portion of the middle case 86.
  • a front wall portion 104 that protrudes so as to intersect with a part of the flow along the arrow A of the air sucked into the coarse dust collecting chamber 91 from the air inlet 97 is formed at the front portion of the middle case 86. Is formed.
  • a filter mounting opening 105 is formed at the rear portion of the middle case 86 as a rear opening that communicates the coarse dust collecting chamber 91 and the communication chamber 93 with the filter mounting portion 92.
  • the filter mounting opening 105 Is attached with a main filter 106 as a filtration filter.
  • a ventilation opening 107 that communicates the coarse dust collection chamber 91 and the fine dust collection chamber 94 is formed below the filter mounting opening 105 at the rear portion of the middle case 86.
  • a lower filter 108 which is a filter, is attached.
  • An inclined wall portion 111 is formed to protrude rearward and downward above the vent opening at the rear portion of the middle case 86.
  • the inclined wall portion 111 is provided with a fine dust collection chamber 94 and a filter mounting portion 92.
  • a plurality of communicating openings 112 are formed in the left-right width direction, and each of these openings 112 can be opened and closed by a flap-like shutter 113 as a closing member.
  • the front wall 104 protrudes from the front side to the rear side and faces the dust disposal port 95, and a communication opening 115 is formed to communicate the coarse dust collection chamber 91 and the communication chamber 93.
  • a ventilation filter 116 as a filter is attached.
  • the main filter 106 is formed of, for example, metal, and is a mesh-like filter that does not have irregularities on the upstream surface side and the downstream surface side, and is opposed to the lower end of the communication tube portion 103 that is downstream of the intake port 97. It is arranged at the (facing) position, and is configured such that the suction air sucked from the air inlet 97 is directly blown in an inclined manner.
  • the ventilation opening 107 facilitates the operation of the shutter 113 by sucking air from the coarse dust collection chamber 91 side to the fine dust collection chamber 94 side when the shutter 113 operates at a negative pressure driven by the electric blower 27. It is a ventilation hole for making it.
  • Each shutter 113 has an upper end portion rotatably supported at a position in front of the upper end of the opening 112, and a lower end portion having a free end shape.
  • the cup lid 87 is formed of, for example, a synthetic resin, and includes a pair of ribs (not shown) that pivotally supports the cup lid 87 on one side of the cup body 85 on one side.
  • a claw-like locking projection (not shown), which is a locking portion for locking the cup to the cup body 85 side, is provided on the other side.
  • the cup lid 87 is formed with a packing receiving portion 121 to which the packing 99 below the dust disposal port 95 is pressed.
  • the filter unit 88 is a filter unit unit that includes a surface dust collection filter that is a fine dust filter as a filter, that is, a pleated filter 123, and a filter holding frame 124 that holds the pleated filter 123.
  • the pleated filter 123 is for collecting fine dust that has not been collected by the filters 102, 106, and 116.
  • the peak portions protruding forward and the valley portions protruding backward are alternately arranged in the width direction.
  • the pleated shape is formed in a straight line along the vertical direction.
  • a dust dropping unit 125 is disposed at the rear of the pleated filter 123 as dust removing means for removing fine dust collected by the pleated filter 123 by vibrating the pleated filter 123.
  • the filter mounting portion 92 is a space portion formed in a frame shape at the rear portion of the cup body portion 85, and a dust collection cup that is a substantially rectangular dust collector exhaust port whose rear end portion is closed by the filter portion 88. It is an exhaust port 128.
  • the communication chamber 93 is an air path in which a part of the air sucked into the coarse dust collection chamber 91 flows to the pleat filter 123 without passing through the main filter 106, and the communication between the cup body 85 and the middle case 86 And is formed in communication between the downstream side of the communication opening 101 (side filter 102) and the communication opening 115 (ventilation filter 116) and the filter unit 88 on the suction side of the electric blower 27. .
  • the fine dust collection chamber 94 is a space part that accumulates fine dust removed from the pleat filter 123 by the dust drop part 125 through the opening part 112.
  • the operator When cleaning, first, the operator opens the lid 43 of the cleaner body 13, attaches the dust collecting cup 36 to the main body dust collection chamber 35, and closes the lid 43. At this time, the operator communicates and connects the hose body 16 to the upper body suction port 83 via the connection pipe portion 15, and sequentially connects the extension pipe 18 and the floor brush 19 to the distal end side of the hose body 16. .
  • the operator pulls out the power cord 31 from the cleaner body 13 and connects it to an outlet (not shown).
  • each shutter 113 is adsorbed to the front side of the inclined wall 111 by the air that has passed through the ventilation opening 107 (lower filter 108), the opening 112 is closed, and the fine dust collection chamber 94 is closed. The fine dust collected in the filter is not sucked out from the opening 112 to the filter mounting portion 92 (pleat filter 123) side.
  • the operator grips the grip portion 21 and causes the cleaner body 13 to travel on the floor surface F, while traveling the floor brush 19 back and forth on the floor surface F, thereby causing negative pressure by the electric blower 27. Then, dust is sucked together with air from the front end side of the floor brush 19.
  • the vacuum cleaner main body 13 is urged by the coil spring 65 so that the rear side of the shaft support 61 rotates downward, so that the rear wheel 52 advances from the lower case 41 to the floor surface F side,
  • the raised cloth 67 of the rear wheel main body 62 comes into contact with the floor surface F, and is supported at three points by the rear wheel 52 and the two traveling wheels 51, so that it can stably move straight. Since the rear wheel main body 62 is elastically in contact with the floor surface F by the coil spring 65, the vertical spring vibration generated when the cleaner body 13 travels causes the coil spring 65 to expand and contract with this vibration.
  • the rear wheel 52 is absorbed by advancing and retracting into the attachment portion 63 of the main body case 25, and the rear wheel main body 62 contacts the floor surface F with an appropriate contact pressure. Further, when trying to get over the step D such as an obstacle while the cleaner body 13 is running, the front wheel main body 72 of the front wheel 53 comes into contact with the step D so that the step D can be easily overcome.
  • the rear wheel 52 (rear wheel main body 62) is prevented from being caught by the step D by the rear side of the shaft support portion 61 of the rear wheel 52 turning upward against the bias of the coil spring 65 along the upper surface of the rear wheel 52. To do.
  • the air sucked together with the dust from the floor brush 19 becomes a suction wind, and carries the dust from the main body suction port 83 to the dust collecting cup 36 through the extension pipe 18 and the hose body 16 (connection pipe portion 15).
  • the suction air sucked from the main body suction port 83 into the suction port 97 is substantially linear along the opening direction of the suction port 97 through the suction tube portion 98 and the communication tube portion 103.
  • the air is sucked into the coarse dust collecting chamber 91 and directly blown to the upstream side surface of the main filter 106 in an inclined manner.
  • the dust adhering to the main filter 106 is always peeled off and dropped.
  • the suction air blown to the main filter 106 is swung in the direction of the arrow A in the coarse dust collecting chamber 91, that is, from the rear lower side to the front upper side, while removing the dust adhering to the main filter 106. Then, it passes through the main filter 106 and flows to the filter mounting portion 92 while collecting dust.
  • coarse dust such as cotton dust contained in the suction air is centrifuged (cyclonic separation) by centrifugal force and stored while being compressed toward the lower side of the front wall portion 104.
  • the suction air that has passed through the main filter 106 or the communication chamber 93 (the side filter 102 and the ventilation filter 116) is not collected by the filters 102, 106, 116 when passing through the pleated filter 123. It is collected.
  • the suction air is sucked into the electric blower 27 through the communication port of the partition wall 26, passes through the electric blower 27 and becomes exhaust air, and from the exhaust port of the main body case 25 to the outside of the cleaner main body 13. Discarded.
  • the operator When the cleaning is finished, the operator operates the predetermined setting button 22 to stop the electric blower 27.
  • the electric blower 27 When the electric blower 27 is stopped, each shutter 113 rotates by its own weight to the front lower side, so that the opening 112 is opened.
  • the dust dropping unit 125 operates for a predetermined time, and the fine dust collected by the pleat filter 123 is dropped and removed, and collected into the fine dust collecting chamber 94 through the opening 112.
  • the dust drop unit 125 may operate, for example, immediately before the electric blower 27 is activated.
  • the operator operates the cord winding button 79 to wind the power cord 31 removed from the outlet from the cord outlet 77 to the cord reel.
  • the operator opens the lid 43 of the vacuum cleaner body 13, removes the dust collection cup 36 from the body dust collection chamber 35, and puts in a trash can etc.
  • the cup lid 87 is opened by operating the open / close operation button 96 above the coarse dust collected in the coarse dust collecting chamber 91 from the dust disposal port 95 and the fine dust collected in the fine dust collecting chamber 94. And are discarded.
  • the inner case 86 is removed from the cup body 85 by pulling it downward from the dust disposal port 95, and the filters 102 and 116 are maintained. do.
  • the main filter 106 hardly causes clogging, but removes dust if it is clogged due to continuous use over a long period of time.
  • the operator closes the cup lid 87 with the middle case 86 attached to the cup body 85, reattaches the dust collection cup 36 to the main body dust collection chamber 35 of the cleaner body 13, and closes the lid 43.
  • the rear wheel 52 that is capable of moving forward and backward with respect to the floor surface F behind the rotating shaft 57 of the traveling wheel 51 and that can contact the floor surface F in the advanced state is provided on the floor surface.
  • the coil spring 65 is biased in a direction to advance toward F.
  • the straightness of the cleaner body 13 can be improved, while the rear wheel or the like turns as a resistance when the cleaner body 13 turns.
  • the rear wheel 52 is in elastic contact with the floor surface F, so that the floor surface can be moved by appropriately moving the rear wheel 52 back and forth. Since the contact is made with F at an appropriate contact pressure, straight traveling performance can be improved as compared with the case where the traveling wheel 51 alone travels without reducing the turning performance of the cleaner body 13 by the traveling wheel 51.
  • the rear wheel 52 since the rear wheel 52 always elastically contacts the floor surface F in the traveling state of the cleaner body 13 with the traveling wheel 51 grounded to the floor surface F, the rear wheel 52 may be lifted from the floor surface F. The straightness can be reliably improved.
  • the rear wheel 52 is arranged in front of the rear wheel main body 62 and the rear wheel main body on a shaft support portion 61 that is pivotally supported by the main body case 25 in a direction in which the rear wheel main body 62 moves forward and backward with respect to the floor surface F.
  • the shaft support 61 is in relation to the floor F compared to the case where the pivot shaft of the shaft support is positioned rearward of the rear wheel body. It becomes difficult to be caught and the rear wheel 52 is more easily rotated.
  • the shaft support 61 Since the shaft support 61 is supported below a line connecting the rotation shaft 57 of the traveling wheel 51 and the rotation shaft of the rear wheel main body 62 in a side view, the shaft support 61 The inclination angle is reduced, contact resistance between the rear wheel main body 62 and the floor surface F is suppressed, and the rear wheel 52 is more easily rotated.
  • the front wheel 53 rotatably in front of the rotating shaft 57 of the traveling wheel 51 of the main body case 25, when the cleaner body 13 moves forward, there is a step D such as an obstacle. By rotating against D, it becomes easy to get over the step D and the like, and the cleaning workability is improved.
  • the traveling wheel 51 has a wheel portion 56 that is in contact with the floor surface F formed of a soft synthetic resin, and the rear wheel 52 is provided with a raised cloth 67 on the outer peripheral surface of the rear wheel main body 62 that is in contact with the floor surface F.
  • the traveling wheels 51 are less likely to slip even on the relatively flat floor surface F, and the rear wheels 52 are more likely to slip relative to the floor surface F.
  • the rear wheel 52 is less likely to become resistance, and the turning performance can be improved.
  • a raised cloth 67 is provided on the outer periphery of the rear wheel main body 62 of the rear wheel 52, and a raised cloth 76 is provided on the outer periphery of the front wheel main body 72 of the front wheel 53, whereby dust on the floor surface F is removed by these raised cloths 67, 76. be able to.
  • a plurality of rear wheels 52 and front wheels 53 may be provided.
  • the vacuum cleaner main body 13 is disposed substantially equally in the left-right width direction, that is, symmetrically in the left-right width direction so that the cleaner body 13 can be stably supported.
  • the front wheel 53 may not be provided.
  • the dust collecting cup 36 for centrifugal separation is used as the dust collecting device
  • the dust collecting device can be arbitrarily selected, for example, a configuration for collecting dust by a paper pack or a configuration for collecting dust by linear separation. it can. Therefore, the internal configuration of the cleaner body 13 is not limited to the above configuration.
  • the present invention can be suitably used for, for example, a household vacuum cleaner.
  • Vacuum Cleaner 13 Vacuum Cleaner Body as Main Body 25 Body Case 27 Electric Blower 51 Traveling Wheel 52 Rear Wheel 53 Front Wheel 57 Rotating Shaft 61 Shaft Support 62 Rear Wheel Body 67 Brushed Cloth F Floor to be cleaned
PCT/JP2009/059755 2008-06-30 2009-05-28 電気掃除機 WO2010001674A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200980116232.0A CN102014720B (zh) 2008-06-30 2009-05-28 电动吸尘器
EP09773252.3A EP2305089A4 (en) 2008-06-30 2009-05-28 ELECTRIC CLEANING DEVICE

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008-171640 2008-06-30
JP2008171640A JP5430886B2 (ja) 2008-06-30 2008-06-30 電気掃除機

Publications (1)

Publication Number Publication Date
WO2010001674A1 true WO2010001674A1 (ja) 2010-01-07

Family

ID=41465777

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/059755 WO2010001674A1 (ja) 2008-06-30 2009-05-28 電気掃除機

Country Status (6)

Country Link
EP (1) EP2305089A4 (ru)
JP (1) JP5430886B2 (ru)
KR (1) KR101261145B1 (ru)
CN (1) CN102014720B (ru)
RU (1) RU2453261C1 (ru)
WO (1) WO2010001674A1 (ru)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109996480A (zh) * 2016-11-30 2019-07-09 东芝生活电器株式会社 电动吸尘器
CN111374589A (zh) * 2016-02-29 2020-07-07 Lg电子株式会社 真空吸尘器

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5159934B1 (ja) * 2011-09-29 2013-03-13 シャープ株式会社 掃除ロボット
CN105383537B (zh) * 2014-07-03 2019-06-21 明门香港股份有限公司 婴儿车装置
JP2017029564A (ja) * 2015-08-05 2017-02-09 三菱電機株式会社 電気掃除機
TWI653962B (zh) 2016-02-29 2019-03-21 Ｌｇ電子股份有限公司 真空吸塵器
CN209346889U (zh) 2016-02-29 2019-09-06 Lg电子株式会社 真空吸尘器
KR101872101B1 (ko) * 2016-08-25 2018-06-27 엘지전자 주식회사 진공 청소기
DE112017001064B4 (de) 2016-02-29 2023-09-21 Lg Electronics Inc. Staubsauger
TWI643596B (zh) 2016-02-29 2018-12-11 Ｌｇ電子股份有限公司 真空吸塵器
TWI664944B (zh) 2016-02-29 2019-07-11 Ｌｇ電子股份有限公司 真空吸塵器
WO2017150862A1 (ko) 2016-02-29 2017-09-08 엘지전자 주식회사 진공 청소기
TWI664943B (zh) 2016-02-29 2019-07-11 Ｌｇ電子股份有限公司 真空吸塵器
TWI643597B (zh) 2016-02-29 2018-12-11 Ｌｇ電子股份有限公司 真空吸塵器
TWI641353B (zh) 2016-02-29 2018-11-21 Ｌｇ電子股份有限公司 真空吸塵器
KR101852407B1 (ko) * 2016-08-25 2018-06-11 엘지전자 주식회사 진공 청소기
WO2017150874A1 (ko) 2016-02-29 2017-09-08 엘지전자 주식회사 진공 청소기
KR101872099B1 (ko) * 2016-08-25 2018-06-27 엘지전자 주식회사 진공 청소기
TWI637718B (zh) 2016-02-29 2018-10-11 Ｌｇ電子股份有限公司 真空吸塵器
DE202017000984U1 (de) 2016-02-29 2017-05-29 Lg Electronics Inc. Staubsauger
DE202017000985U1 (de) 2016-02-29 2017-05-29 Lg Electronics Inc. Staubsauger
KR101872100B1 (ko) * 2016-08-25 2018-06-27 엘지전자 주식회사 진공 청소기
KR101872102B1 (ko) * 2016-08-25 2018-06-27 엘지전자 주식회사 진공 청소기 및 진공 청소기의 제어 방법
TWI636758B (zh) 2016-02-29 2018-10-01 Ｌｇ電子股份有限公司 真空吸塵器
DE202017002619U1 (de) 2016-05-20 2017-08-04 Lg Electronics Inc. Staubsauger
KR101952634B1 (ko) * 2016-08-25 2019-02-27 엘지전자 주식회사 진공 청소기

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0426407A (ja) * 1990-05-22 1992-01-29 Sanyo Electric Co Ltd 掃除機用自在車輪装置
JPH04343815A (ja) 1991-05-22 1992-11-30 Sharp Corp 床移動型電気掃除機
JPH0630859A (ja) * 1992-07-16 1994-02-08 Sanyo Electric Co Ltd 電気掃除機
JPH0638846U (ja) * 1992-10-28 1994-05-24 東京電気株式会社 電気掃除機
JP2000354570A (ja) * 1999-06-15 2000-12-26 Toshiba Tec Corp 電気掃除機およびその吸込口体
JP2007130129A (ja) * 2005-11-09 2007-05-31 Sanyo Electric Co Ltd 自走式掃除機

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4852705A (en) * 1988-07-22 1989-08-01 Cowan Jr Samuel C Case with extendable wheels and handle
JPH04329918A (ja) * 1991-04-30 1992-11-18 Tokyo Electric Co Ltd 電気掃除機
JPH07236599A (ja) * 1994-03-01 1995-09-12 Matsushita Electric Ind Co Ltd 電気掃除機
JPH0856873A (ja) * 1994-08-17 1996-03-05 Mitsubishi Electric Home Appliance Co Ltd 電気掃除機
KR20040023285A (ko) * 2002-09-11 2004-03-18 엘지전자 주식회사 진공청소기용 캐스터 및 그것을 이용한 진공청소기

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0426407A (ja) * 1990-05-22 1992-01-29 Sanyo Electric Co Ltd 掃除機用自在車輪装置
JPH04343815A (ja) 1991-05-22 1992-11-30 Sharp Corp 床移動型電気掃除機
JPH0630859A (ja) * 1992-07-16 1994-02-08 Sanyo Electric Co Ltd 電気掃除機
JPH0638846U (ja) * 1992-10-28 1994-05-24 東京電気株式会社 電気掃除機
JP2000354570A (ja) * 1999-06-15 2000-12-26 Toshiba Tec Corp 電気掃除機およびその吸込口体
JP2007130129A (ja) * 2005-11-09 2007-05-31 Sanyo Electric Co Ltd 自走式掃除機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2305089A4 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111374589A (zh) * 2016-02-29 2020-07-07 Lg电子株式会社 真空吸尘器
CN109996480A (zh) * 2016-11-30 2019-07-09 东芝生活电器株式会社 电动吸尘器
CN109996480B (zh) * 2016-11-30 2023-08-04 东芝生活电器株式会社 电动吸尘器

Also Published As

Publication number Publication date
EP2305089A1 (en) 2011-04-06
CN102014720B (zh) 2014-07-30
KR101261145B1 (ko) 2013-05-06
RU2453261C1 (ru) 2012-06-20
KR20100123861A (ko) 2010-11-25
EP2305089A4 (en) 2016-01-20
JP5430886B2 (ja) 2014-03-05
CN102014720A (zh) 2011-04-13
JP2010005341A (ja) 2010-01-14

Similar Documents

Publication Publication Date Title
JP5430886B2 (ja) 電気掃除機
JP4241493B2 (ja) 掃除機用集塵装置
KR102029079B1 (ko) 진공 청소기기용 바닥 도구
JP4251655B2 (ja) 電気掃除機
JP2008194177A (ja) 電気掃除機
WO2012032722A1 (ja) 電気掃除機
JP2010154940A (ja) 掃除機
JP5330909B2 (ja) 集塵装置および電気掃除機
JP2011188952A (ja) 集塵装置及び電気掃除機
JP2005131135A (ja) 電気掃除機
JP5086859B2 (ja) 電気掃除機
JP4896818B2 (ja) 電気掃除機
JP2005218561A (ja) 電気掃除機
JP5388717B2 (ja) 集塵装置および電気掃除機
JP2009201568A (ja) 電気掃除機
JP4738063B2 (ja) 電気掃除機
JP5172415B2 (ja) 電気掃除機
JP5567394B2 (ja) 集塵装置および電気掃除機
JP4251647B2 (ja) 電気掃除機
JP5258421B2 (ja) 電気掃除機
JP2004135994A (ja) 電気掃除機
JP2009233051A (ja) 電気掃除機
JP2024051859A (ja) 掃除機用吸込具
JP2010022575A (ja) 電気掃除機
JP2011010742A (ja) 集塵装置および電気掃除機

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200980116232.0

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09773252

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 20107019947

Country of ref document: KR

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 2009773252

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2010150968

Country of ref document: RU