EP3073881A1 - Tête d'aspirateur - Google Patents

Tête d'aspirateur

Info

Publication number
EP3073881A1
EP3073881A1 EP14803232.9A EP14803232A EP3073881A1 EP 3073881 A1 EP3073881 A1 EP 3073881A1 EP 14803232 A EP14803232 A EP 14803232A EP 3073881 A1 EP3073881 A1 EP 3073881A1
Authority
EP
European Patent Office
Prior art keywords
suction
vacuum cleaner
cleaner head
head
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14803232.9A
Other languages
German (de)
English (en)
Other versions
EP3073881B1 (fr
Inventor
Alexander Anthony Denny Bassett
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.)
Hoover Ltd
Original Assignee
Hoover Ltd
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 Hoover Ltd filed Critical Hoover Ltd
Publication of EP3073881A1 publication Critical patent/EP3073881A1/fr
Application granted granted Critical
Publication of EP3073881B1 publication Critical patent/EP3073881B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • 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
    • A47L9/02—Nozzles
    • 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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0422—Driving means for the brushes or agitators driven by the rotation of the supporting wheels on which the nozzle travels over the floor
    • 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
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0477—Rolls

Definitions

  • heads for cleaning hard floors comprise an underside having a transverse elongate suction mouth and front and rear rows of static bristles disposed parallel to the suction mouth on opposite sides thereof. Dirt particles are removed from the surface being treated by the suction airflow, with the bristles serving to loosen particles from the surface.
  • Such heads are ineffective in removing dirt which tends to adhere to the surface, and also dirt lodged in crevices in the surface being cleaned.
  • leading and trailing edges of the head are respectively defined by front and rear portions of the head when the head is moved in a forwards direction, said roller preferably being disposed in the front portion and oriented such that its axis of rotation extends perpendicular to the direction of forwards movement.
  • a suction opening is disposed between the inner and outer seals, so that surface dust that has passed under the roller is drawn into the suction airflow through the opening and independently of the aforementioned suction mouth, which primarily acts to provide a crevice cleaning function.
  • the suction opening has a height which is equal to or less than the width of the space between adjacent blades at their radially outermost ends.
  • said means to allow air into the space between the inner and outer seals comprises gaps at the ends of the blades adjacent the wheels.
  • the wheels may comprise a portion of reduced diameter which creates an opening that allows air to flow axially along the blades.
  • valve means are preferably provided for closing the suction opening: preferably the valve means is formed by the blades of the roller, which rotate and serve to close the suction opening as the cleaner is moved across the floor surface.
  • the suction mouth is elongate and extends transversely of the head and parallel to said roller.
  • the head comprises a suction outlet which carries the dirt and dust to a separation device, the suction mouth comprising a pair of suction inlets disposed at respective ends thereof which communicate said suction mouth with said suction outlet, and a baffle disposed intermediate said inlets to direct the flow of air from a central region of the suction mouth through said suction inlets. In this manner airflow is concentrated at the ends of the suction mouth.
  • suction opening is disposed intermediate opposite ends of the roller.
  • a vacuum cleaner head having a suction mouth on the underside thereof, the suction mouth being elongate and extending transversely of the head, wherein each end of the suction mouth is connected to a respective passageway arranged to allow air to flow into the suction mouth from a point disposed away from the floor surface.
  • the suction mouth is bounded on respective opposite sides thereof by a pair of depending seals which extend longitudinally of the mouth.
  • the suction mouth is bounded on respective opposite ends thereof by a pair of depending seals which extend transversely of the mouth.
  • each passageway opens into the suction mouth adjacent the seals disposed at respective opposite ends of the mouth.
  • the seals are resiliently flexible.
  • each suction inlet preferably increases along the length of the suction mouth towards its respective end.
  • the suction inlets extend over 50 - 70% of the area of the suction mouth and most preferably 60%.
  • a vacuum cleaner head having a suction outlet arranged to carry the dirt and dust to a separation device, an elongate suction mouth extending transversely of the underside of the head, the suction mouth being bounded on front and rear longitudinal sides thereof by respective depending seals, a suction opening being provided in front of the front seal, the suction opening being fluidly connected to said suction outlet.
  • the suction inlet is substantially bounded by a seal which comprises said depending seals.
  • valve means are provided for periodically closing the suction opening.
  • the valve means are formed by the blades of a roller, which rotate and serve to close the suction opening as the cleaner is moved across the floor surface, the roller being arranged to engage a floor surface being cleaned and to rotate about an axis which extends parallel to the floor surface, the roller comprising a plurality of axially-extending sealing blades disposed around its circumference.
  • the roller extends longitudinally of a c-shaped channel.
  • suction opening is disposed intermediate opposite ends of the roller.
  • Figure 2 is a bottom view of the head of Figure 1 ;
  • Figure 3 is a sectional view along the line Ill-Ill of Figure 2;
  • Figure 4 is a sectional view along the line IV-IV of Figure 2;
  • Figure 5 is a perspective view of an end of the head of Figure 1 , with some parts being shown in outline;
  • Figure 6 is a bottom view of an alternative embodiment of cleaning head in accordance with the present invention.
  • FIG. 1 to 5 of the drawings there is shown a cleaning head 10 in accordance with the present invention for fitting to a canister vacuum cleaner, the rear of the head 10 comprising a rearwardly-extending tubular suction outlet 1 1 for releasably coupling to the distal end of a tubular wand of the cleaner.
  • a motor and fan unit in the body of the cleaner draws air through the head 10 via the wand.
  • the head 10 comprises a body 12 of plastics material, which is supported at its rear by a pair of wheels 13.
  • the body 10 comprises a front wall 14, a rear wall 15, opposite end walls 16, a top wall 17 and a bottom wall 18, which define a hollow internal cavity 19.
  • the tubular suction outlet 1 1 is fluidly connected to the cavity 19.
  • the suction mouth 22 is bounded along its front and rear sides by respective elongate seals 23, 24 which depend from the bottom wall 18 of the body 12.
  • the seals 23, 24 are formed of an elastomeric material.
  • a suction inlet 25 is formed in the bottom wall 18 at each end of the suction mouth 22, the suction inlets 25 serving to fluidly couple the suction mouth 22 with the tubular suction outlet 1 1 via the internal cavity 19 of the head 10.
  • the width of the suction inlets 25 increase gradually towards the outer ends of the suction mouth 22, at which point they extend across the full width of the suction mouth 22.
  • the roof of the suction mouth 22 is open apart from a central region which is closed by a portion of the bottom wall 18 of the body 12. This portion of the bottom wall 18 acts as a baffle 29 to effectively restrict the size of the inlets 25 and confines the inlets 25 to the ends of the suction mouth 22.
  • Each roller 20, 21 comprises a wheel 28 at its opposite ends, the wheels 28 having a central portion of a diameter which is slightly greater than the diameter of the blade portion of the rollers and opposite side portions having diameters slightly less than the diameter of the blade portion of the rollers.
  • the rollers 20,21 respectively extend along front and rear c-shaped channels that are partly formed by front and rear wall portions 14,15 respectively, together with a portion of the bottom wall 18 of the body 12.
  • Each of the channels is fluidly connected to the tubular suction outlet 1 1 by respective suction openings 31 , which extend through the bottom wall 18 of the body 18 into the internal cavity 19 of the head 10.
  • the suction openings 31 have a height which is less than the width of the space between adjacent roller blades 27 at their radially outermost ends.
  • the suction openings 31 are disposed between the suction inlets 25 intermediate opposite sides of the head 10.
  • any dirt on the floor behind the head 10 passes under the rear roller 21 whereupon it is drawn axially to the centre of the roller 20 by the aforementioned axial airflow. Since the roller 21 is rotating, the roller channel in which the dirt is disposed soon become aligned with the rear suction opening 31 , whereupon it is drawn into the cavity 19 and onwards towards the body of the cleaner.
  • the rotating wiper blades 27 partially obstruct or impede the free flow of air through the suction openings 31. If there were no rotating rollers 20,21 to partially obstruct the suction openings 31 they would leak too much suction. If there were no rotating rollers 20,21 to reduce the amount of leakage, the suction openings 31 would have to be so small that they would be rendered useless.
  • the rotating rollers 20,21 create a partial obstruction to the free flow of air through the suction openings 31 , and allows the suction openings 31 to be made larger allowing debris to pass through them while limiting the amount of suction lost needed for good dust removal via the suction inlets 25.
  • FIG. 6 of the drawings there is shown an alternative embodiment of cleaning head in accordance with the present invention, which is similar to the cleaning head 10 of Figures 1 to 5 and like parts are given like reference numerals.
  • the blades 41 of the front and rear rollers 42,43 extend helically (i.e. radially and axially) as opposed to just extending axially.
  • the helical configuration helps to quickly draw surface dirt towards the suction opening 31.
  • a vacuum cleaning head in accordance with the present invention is able to achieve very efficient cleaning of both hard surfaces and crevices without the need for a motor above the range of 700W. When such motors are used with the present invention, airflow rates are in the range of 18-22 litre per second.

Landscapes

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

Abstract

La présente invention concerne une tête d'aspirateur destinée au nettoyage de surfaces de sol dur. Ladite tête comprend une bouche d'aspiration transversale allongée (22) sur son côté inférieur, disposée entre des rouleaux avant et arrière (20, 21) ayant une pluralité de lames d'étanchéité axiales agencées pour être en contact avec la surface du sol et pour tourner autour d'un axe qui s'étend parallèlement à la surface du sol. Les bords latéraux avant et arrière de la bouche d'aspiration (22) comprennent chacun des joints d'étanchéité statiques dépendants (23, 24). Une entrée d'aspiration ((31) est disposée entre chaque rouleau (20, 21) et son joint d'étanchéité adjacent respectif (23, 24). Lors de l'utilisation, lorsque la tête est déplacée vers l'avant, la poussière en surface passe sous le rouleau avant (20) et est attirée vers le haut vers l'entrée d'aspiration (31). Lorsque la tête (10) passe au-dessus d'une fissure dans le sol, de l'air est attiré à travers la fente par la bouche d'aspiration (22).
EP14803232.9A 2013-11-25 2014-11-25 Tête d'aspirateur Active EP3073881B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1320762.6A GB2520549B (en) 2013-11-25 2013-11-25 Vacuum cleaner head
PCT/GB2014/053487 WO2015075481A1 (fr) 2013-11-25 2014-11-25 Tête d'aspirateur

Publications (2)

Publication Number Publication Date
EP3073881A1 true EP3073881A1 (fr) 2016-10-05
EP3073881B1 EP3073881B1 (fr) 2020-07-08

Family

ID=49918152

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14803232.9A Active EP3073881B1 (fr) 2013-11-25 2014-11-25 Tête d'aspirateur

Country Status (4)

Country Link
EP (1) EP3073881B1 (fr)
CN (1) CN105916424B (fr)
GB (4) GB2530933B (fr)
WO (1) WO2015075481A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020081931A1 (fr) 2018-10-19 2020-04-23 Sharkninja Operating Llc Agitateur pour un appareil de traitement de surface et appareil de traitement de surface présentant ce dernier
US11647881B2 (en) 2015-10-21 2023-05-16 Sharkninja Operating Llc Cleaning apparatus with combing unit for removing debris from cleaning roller
US11712139B2 (en) 2015-10-21 2023-08-01 Sharkninja Operating Llc Surface cleaning head with leading roller
US11839346B2 (en) 2017-05-25 2023-12-12 Sharkninja Operating Llc Robotic cleaner with dual cleaning rollers

Families Citing this family (18)

* Cited by examiner, † Cited by third party
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GB201313707D0 (en) * 2013-07-31 2013-09-11 Dyson Technology Ltd Cleaner head for a vacuum cleaner
GB2542420B (en) * 2015-09-21 2018-01-10 Dyson Technology Ltd Cleaner head
ITUB20160903A1 (it) * 2016-02-19 2017-08-19 New Ermes Europe Srl Piastra di base per testa di aspirazione per aspirapolvere o simile
GB2550180B (en) 2016-05-11 2018-05-02 Lupe Tech Limited Cleaner head
CN108143345A (zh) * 2016-12-02 2018-06-12 天佑电器（苏州）有限公司 吸水刷头及具有其的干湿吸尘器
DE102017114163A1 (de) * 2017-06-27 2018-12-27 Miele & Cie. Kg Bodendüse für Staubsauger und Staubsauger
CN109907694A (zh) * 2017-12-13 2019-06-21 浪速亚洲企业 一种吸尘口组件及其地刷
KR102478254B1 (ko) * 2018-03-23 2022-12-16 삼성전자주식회사 진공 청소기
CN110710928A (zh) * 2018-07-11 2020-01-21 尚科宁家（香港）股份有限公司 一种表面清洁头
DE102019103651A1 (de) * 2019-02-13 2020-08-13 Alfred Kärcher SE & Co. KG Bodendüse für ein Reinigungsgerät mit Saugfunktion, Reinigungsgerät und Verfahren zum Absaugen eines Bodenbereichs
EP4037534A1 (fr) * 2019-10-02 2022-08-10 Dyson Technology Limited Tête de nettoyage pour aspirateur
GB2588093B (en) * 2019-10-02 2021-12-22 Dyson Technology Ltd A cleaner head for a vacuum cleaning appliance
JP7365891B2 (ja) * 2019-12-18 2023-10-20 東芝ライフスタイル株式会社 吸込口体および電気掃除機
US20230012561A1 (en) * 2019-12-20 2023-01-19 Techtronic Cordless Gp A cleaner head for a cleaning appliance
GB2590657B (en) * 2019-12-23 2022-04-27 Dyson Technology Ltd Cleaner head for a vacuum cleaning appliance
SE2000243A1 (en) * 2020-12-21 2022-06-22 Electrolux Ab Nozzle for a vacuum cleaner and a vacuum cleaner
CN114190844B (zh) * 2021-12-17 2022-11-18 珠海格力电器股份有限公司 地刷及洗地机
CN217959932U (zh) * 2022-03-07 2022-12-06 追觅创新科技(苏州)有限公司 一种地刷及具有其的清洁机器人

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US3753268A (en) * 1971-12-03 1973-08-21 Cons Foods Corp Vacuum cleaner suction tool with oppositely rotating pile agitators for cleaning deep pile shag rugs
US5481781A (en) * 1994-01-21 1996-01-09 The Hoover Company Rollered nozzle
JPH10309247A (ja) * 1997-05-13 1998-11-24 Mitsubishi Electric Corp 電気掃除機用ブラシ
TW410593U (en) * 1997-08-29 2000-11-01 Sanyo Electric Co Suction head for electric vacuum cleaner
TW475894B (en) * 1997-12-26 2002-02-11 Tec Corp Suction port body for vacuum-cleaner and vacuum-cleaner having the same
JP3542264B2 (ja) * 1998-02-05 2004-07-14 東芝テック株式会社 電気掃除機用吸込み口体及びこれを備えた電気掃除機
JPH11192192A (ja) * 1997-12-26 1999-07-21 Sanyo Electric Co Ltd 床用吸込具
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JP3656816B2 (ja) * 1999-11-30 2005-06-08 東芝テック株式会社 吸込口体及び電気掃除機
JP2001169978A (ja) * 1999-12-21 2001-06-26 Toshiba Tec Corp 電気掃除機およびその吸込口体
JP2001292939A (ja) * 2000-04-12 2001-10-23 Tadayuki Sato 吸い込み口体及びそれを用いた電気掃除機
JP3813811B2 (ja) * 2000-11-10 2006-08-23 東芝テック株式会社 吸込み口体及び電気掃除機
KR100613102B1 (ko) * 2004-07-01 2006-08-17 삼성광주전자 주식회사 흡입구조립체와 이를 구비한 진공청소기
JP3950910B1 (ja) * 2006-08-09 2007-08-01 貴幸 関島 吸引式清掃装置
EP2014212B1 (fr) * 2007-07-09 2015-12-23 Vorwerk & Co. Interholding GmbH Association d'un suceur d'aspirateur et d'un chiffon, ainsi que chiffon et procédé de nettoyage humide de planchers
DE102008029687A1 (de) * 2007-07-09 2009-01-15 Vorwerk & Co. Interholding Gmbh Kombination einer Staubsaugerdüse mit einem Wischtuch, sowie Wischtuch und Verfahren zum Feuchtreinigen von Fußböden
CA2702516C (fr) * 2010-05-03 2017-06-27 Morphy Richards Limited Ameliorations aux aspirateurs et relatives a ces derniers
WO2012149572A2 (fr) * 2011-04-29 2012-11-01 Irobot Corporation Aspirateur robotique
GB2496663B (en) * 2011-11-18 2014-07-30 Dyson Technology Ltd A cleaner head

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11647881B2 (en) 2015-10-21 2023-05-16 Sharkninja Operating Llc Cleaning apparatus with combing unit for removing debris from cleaning roller
US11712139B2 (en) 2015-10-21 2023-08-01 Sharkninja Operating Llc Surface cleaning head with leading roller
US11839346B2 (en) 2017-05-25 2023-12-12 Sharkninja Operating Llc Robotic cleaner with dual cleaning rollers
WO2020081931A1 (fr) 2018-10-19 2020-04-23 Sharkninja Operating Llc Agitateur pour un appareil de traitement de surface et appareil de traitement de surface présentant ce dernier
EP3866659A4 (fr) * 2018-10-19 2022-07-20 SharkNinja Operating LLC Agitateur pour un appareil de traitement de surface et appareil de traitement de surface présentant ce dernier
US11759069B2 (en) 2018-10-19 2023-09-19 Sharkninja Operating Llc Agitator for a surface treatment apparatus and a surface treatment apparatus having the same

Also Published As

Publication number Publication date
CN105916424B (zh) 2019-10-08
GB2530933A (en) 2016-04-06
GB2530931A (en) 2016-04-06
WO2015075481A1 (fr) 2015-05-28
GB2520549A (en) 2015-05-27
GB201521005D0 (en) 2016-01-13
GB2530933B (en) 2017-06-07
GB201320762D0 (en) 2014-01-08
GB201521006D0 (en) 2016-01-13
GB2520549B (en) 2017-06-14
GB2530932A (en) 2016-04-06
EP3073881B1 (fr) 2020-07-08
CN105916424A (zh) 2016-08-31
GB201521008D0 (en) 2016-01-13
GB2530931B (en) 2017-12-13

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