EP1604602B1 - Tête de suction pour aspirateur - Google Patents

Tête de suction pour aspirateur Download PDF

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Publication number
EP1604602B1
EP1604602B1 EP05290287.1A EP05290287A EP1604602B1 EP 1604602 B1 EP1604602 B1 EP 1604602B1 EP 05290287 A EP05290287 A EP 05290287A EP 1604602 B1 EP1604602 B1 EP 1604602B1
Authority
EP
European Patent Office
Prior art keywords
suction
brush
suction duct
duct
suction head
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.)
Expired - Fee Related
Application number
EP05290287.1A
Other languages
German (de)
English (en)
Other versions
EP1604602A2 (fr
EP1604602A3 (fr
Inventor
Seong-Ho Cho
Myung-Keun Yoo
Young-Sok Nam
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1604602A2 publication Critical patent/EP1604602A2/fr
Publication of EP1604602A3 publication Critical patent/EP1604602A3/fr
Application granted granted Critical
Publication of EP1604602B1 publication Critical patent/EP1604602B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0411—Driving means for the brushes or agitators driven by electric motor
    • 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
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0483—Reciprocating or oscillating tools, e.g. vibrators, agitators, beaters

Definitions

  • the present invention relates to a suction head of a vacuum cleaner, and more particularly, to a suction head of a vacuum cleaner capable of smoothly sucking dust.
  • an upright type vacuum cleaner in accordance with the conventional art comprises: a body 1 having an accommodation space therein; a handgrip 6 installed at an upper side of the body 1; a fan motor 2 installed in the body 1 and generating a suction force; a filter 3 arranged at a suction side of the fan motor 2 and filtering dust; a dust chamber 4 for accommodating the filter 3 and dust filtered by the filter 3; and a suction head 5 connected to the dust chamber 4 by a connection hose 7, for sucking external dust by an operation of the fan motor 2.
  • the suction head 5 includes: a housing 10 provided with a suction port 11 having a structure opened towards a floor; a suction duct 14 for collecting dust sucked by the suction port 11; a connection pipe 15 for connecting the suction duct 14 and the connection hose 7; a brush 13 rotatably installed at an inner side of the suction port 11 and having a plurality of bristles 12 at an outer surface thereof, for collecting dust on a floor with being rotated; a driving motor 16 for providing a driving force to rotate the brush 13; and a rotational force transmitting mechanism for transmitting a rotational force of the driving motor 16 to the brush 13.
  • the rotational force transmitting mechanism is composed of a driving pulley 17 connected to a motor shaft of the driving motor 16, a driven pulley 18 installed at an outer circumference of the brush 13, and a belt 19 for connecting the driving pulley 17 and the driven pulley 18.
  • the brush 13 is rotated by 360° in a single direction. According to this, the bristles 12 of the brush 13 brush the floor in a single direction thereby to have a limitation in brushing the floor.
  • US Patent No.4,430,768 discloses an agitator structure for suction cleaners having an oscillating brush.
  • US Patent No.4,426,751 discloses a vacuum cleaner nozzle having two brushes rotated in opposite directions.
  • an object of the present invention is to provide a suction head of a vacuum cleaner capable of enhancing a cleaning function by constructing a brush installed in a suction port to reciprocatingly rotate within a predetermined angle.
  • Another object of the present invention is to provide a suction head of a vacuum cleaner capable of properly sucking brushed dust into a body by constructing a brush to be respectively provided with a suction duct at both sides of a brushing direction of a floor.
  • a suction head of a vacuum cleaner as set out in claim 1.
  • an upright type vacuum cleaner comprises: a body 1 having an accommodation space therein; a handgrip 6 installed at an upper side of the body 1; a fan motor 2 installed in the body 1 and generating a suction force; a filter 3 arranged at a suction side of the fan motor 2 and filtering dust; a dust chamber 4 for accommodating the filter 3 and dust filtered by the filter 3; and a suction head 100 connected to the dust chamber 4 by a connection hose 7, for sucking external dust by an operation of the fan motor 2.
  • the suction head 100 includes: a housing 110 provided with a suction port 20 having a structure opened towards a floor; a cylindrical brush 30 rotatably installed in the suction port 20 and having a plurality of bristles 31 arranged in a longitudinal direction thereof; a brush driving device 40 for reciprocatingly rotating the brush 30 forwardly and backwardly within a range of a predetermined angle; a first suction duct 50 having an inlet 51 positioned corresponding to a direction of dust movement when the brush 30 rotates in a forward direction; a second suction duct 60 having an inlet 61 positioned corresponding to a direction of dust movement when the brush 30 rotates in a backward direction; and a connection pipe 115 for connecting the first suction duct 50 and the second suction duct 60 to the connection hose 7.
  • the bristles 31 are uniformly installed on the brush 30 in a longitudinal direction of the brush 30 as a plurality of rows.
  • the brush driving device 40 is composed of: a driving motor 41 for providing a driving force; and a driving force transmitting unit 42 for transmitting a driving force of the driving motor 41 to the brush 30 so that the brush 30 can be reciprocatingly rotated within a range of a predetermined angle.
  • the driving force transmitting unit 42 is composed of: a rotary link 44 fixed to a motor shaft 43 of the driving motor 41 and coaxially rotated together with the motor shaft 43; a hinge bracket 45 installed at one side of an outer circumferential surface of the brush 30; and a connecting rod 46 of which one end is hingedly connected to the rotary link 44 at a position eccentric from a rotation center of the rotary link 44 and of which another end is hingedly connected to the hinge bracket 45 thus to perform an angular reciprocating motion by a rotation of the rotary link 44.
  • the driving force transmitting unit 42 converts a rotation motion of the motor shaft 43 of the driving motor 41 into a forward reciprocating rotation and a backward reciprocating rotation of the brush 30.
  • the inlet 51 of the first suction duct 50 is arranged at a rear side of the brush 30 and extended to a rear side of the housing 110, and an outlet 52 of the first suction duct 50 is connected to the connection pipe 115.
  • the first suction duct 50 serves as a flow path of dust brushed by the bristles 31 thus to be moved to the rear side of the suction port 20.
  • the inlet 51 of the first suction duct 50 is curvedly formed toward the suction port 20 for more effective suction of air.
  • the inlet 61 of the second suction duct 60 is arranged to be opened towards a floor at the front side of the brush 30 and is extended along an upper circumference of the suction port 20, and an outlet 62 of the second suction duct 60 is connected to the first suction duct 50.
  • the second suction duct 60 serves as a flow path of dust brushed by the bristles 31 thus to be moved to the front side of the suction port 20.
  • a width in right and left directions of the inlet 61 of the second suction duct 60 is substantially same as a width in right and left directions of the suction port 20 in order to increase an area of a duct into which dust is sucked.
  • a width in right and left directions of the second suction duct 60 is gradually decreased from the inlet 61 towards the outlet 62. According to this, a width in front and rear directions of the suction duct 60 is gradually decreased towards both sides of the second suction duct 60 (refer to Fig. 4 ).
  • a guide portion 70 is formed at the outlet 62 of the second suction duct 60, for guiding air passing through the second suction duct 60 toward the first suction duct 50.
  • the guide portion 70 maintains constant pressure and regular flow of air which flows from the second suction duct 60 to the first suction duct 50.
  • the guide portion 70 may be protruded from an inner wall of the second suction duct 60, and the thickness of the guide portion 70 becomes smaller toward the first suction duct 50. It is preferred that both surfaces 72 and 74 of the guide portion 70, the surfaces 72 and 74 facing the first and second suction ducts 50 and 60 are curvedly formed.
  • a rotational force is generated at the driving motor 41.
  • the rotational force of the driving motor 41 is transmitted to the brush 30 through the driving force transmitting unit 42, the brush 30 is reciprocatingly rotated within a range of a predetermined angle.
  • the dust introduced into the first suction duct 50 and the second suction duct 60 is introduced into the connection pipe 115, and then is introduced into the dust chamber 4 of the body 1 through the connection hose 7.
  • the dust filtered by the filter 3 inside the dust chamber 4 remains in the dust chamber 4, and the air filtered by the filter 3 is exhausted to outside of the body 1.
  • the suction head 100 of the vacuum cleaner according to the present invention is constructed so that the brush 30 can be reciprocatingly rotated within a range of a predetermined angle. According to this, an entire area occupied by the suction head 100 can be evenly brushed.
  • first suction duct 50 and the second suction duct 60 for introducing dust are respectively provided at both sides of a direction that the brush 30 brushes the floor. According to this, brushed dust can be smoothly sucked into the body 1.
  • the width of right and left directions of the second suction duct 60 arranged at the front side of the suction port 20 is substantially same as the width of right and left directions of the suction port 20, and the width of right and left directions of the second suction duct 60 is gradually decreased from the inlet 61 towards the outlet 62. According to this, the entire region that the second suction duct 60 passes can be smoothly cleaned by using a proper suction force.

Landscapes

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

Claims (12)

  1. Tête d'aspiration d'un aspirateur, comprenant :
    un boîtier (110) comportant un orifice d'aspiration (20) à travers lequel de la poussière peut être aspirée ;
    une brosse (30) installée de manière à pouvoir tourner dans l'orifice d'aspiration et comportant une pluralité de poils (31) agencés dans un sens longitudinal de celle-ci ;
    un dispositif d'entraînement de brosse (40) pour faire tourner la brosse en va-et-vient à l'intérieur d'une plage d'un angle prédéterminé ;
    l'orifice d'aspiration (20) étant formé pour être ouvert vers un plancher, caractérisée par
    un premier conduit d'aspiration (50) comportant une entrée (51) positionnée en correspondance avec un sens de déplacement de la poussière lorsque la brosse tourne dans un sens vers l'avant ; et
    un deuxième conduit d'aspiration (60) comportant une entrée (61) positionnée en correspondance avec un sens de déplacement de la poussière lorsque la brosse tourne dans un sens vers l'arrière ;
    et en ce que les deux entrées (51, 61) sont disposées pour être espacées de la portion ouverte de l'orifice d'aspiration (20).
  2. Tête d'aspiration selon la revendication 1, dans laquelle le dispositif d'entraînement de brosse (40) se compose :
    d'un moteur d'entraînement (41) pour fournir une force d'entraînement ; et
    d'une unité de transmission de force d'entraînement (42) pour transmettre une force d'entraînement du moteur d'entraînement à la brosse (30) de façon que la brosse puisse pivoter en va-et-vient dans une plage d'un angle prédéterminé.
  3. Tête d'aspiration selon la revendication 2, dans laquelle l'unité de transmission de force d'entraînement (42) se compose :
    d'une liaison rotative (44) fixée à un arbre de moteur (43) du moteur d'entraînement (41) et tournant concentriquement avec l'arbre de moteur ;
    d'un support d'articulation (45) installé sur un côté d'une surface circonférentielle extérieure de la brosse ; et
    d'une bielle (46) ayant une extrémité reliée de manière articulée à la liaison rotative à une position excentrée par rapport à un centre de rotation de la liaison rotative et ayant une autre extrémité reliée de manière articulée au support d'articulation.
  4. Tête d'aspiration selon la revendication 1, dans laquelle l'entrée (51) du premier conduit d'aspiration (50) est agencée sur un côté arrière de l'orifice d'aspiration (20), et l'entrée (61) du deuxième conduit d'aspiration (60) est agencée sur un côté avant de l'orifice d'aspiration et s'étend le long d'une circonférence supérieure de l'orifice d'aspiration.
  5. Tête d'aspiration selon la revendication 4, dans laquelle une sortie (62) du deuxième conduit d'aspiration (60) est reliée au premier conduit d'aspiration (50).
  6. Tête d'aspiration selon la revendication 5, dans laquelle une portion de guidage (70) est formée à la sortie (62) du deuxième conduit d'aspiration (60), pour guider de l'air traversant le deuxième conduit d'aspiration vers le premier conduit d'aspiration (50).
  7. Tête d'aspiration selon la revendication 6, dans laquelle les deux surfaces de la portion de guidage (70) sont incurvées.
  8. Tête d'aspiration selon la revendication 6, dans laquelle la portion de guidage (70) est formée en faisant saillie à partir d'une paroi constituant le deuxième conduit d'aspiration (60).
  9. Tête d'aspiration selon la revendication 4, dans laquelle l'entrée (51) du premier conduit d'aspiration (50) est incurvée vers l'orifice d'aspiration (20).
  10. Tête d'aspiration selon la revendication 4, dans laquelle une largeur vers la droite et vers la gauche de l'entrée (61) du deuxième conduit d'aspiration (60) est sensiblement identique à une largeur vers la droite et vers la gauche de l'orifice d'aspiration (20).
  11. Tête d'aspiration selon la revendication 10, dans laquelle une largeur vers la droite et vers la gauche du deuxième conduit d'aspiration (60) diminue progressivement à partir de l'entrée (61) vers la sortie (62).
  12. Tête d'aspiration selon la revendication 10, dans laquelle une largeur vers l'avant et vers l'arrière du deuxième conduit d'aspiration (60) diminue progressivement vers un côté droit ou vers un côté gauche du deuxième conduit d'aspiration.
EP05290287.1A 2004-06-12 2005-02-09 Tête de suction pour aspirateur Expired - Fee Related EP1604602B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040043306A KR100595558B1 (ko) 2004-06-12 2004-06-12 진공청소기의 흡입헤드
KR2004043306 2004-06-12

Publications (3)

Publication Number Publication Date
EP1604602A2 EP1604602A2 (fr) 2005-12-14
EP1604602A3 EP1604602A3 (fr) 2007-09-05
EP1604602B1 true EP1604602B1 (fr) 2014-01-22

Family

ID=34975355

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05290287.1A Expired - Fee Related EP1604602B1 (fr) 2004-06-12 2005-02-09 Tête de suction pour aspirateur

Country Status (4)

Country Link
US (1) US20050273970A1 (fr)
EP (1) EP1604602B1 (fr)
KR (1) KR100595558B1 (fr)
CN (1) CN100353902C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100556811B1 (ko) * 2004-06-12 2006-03-10 엘지전자 주식회사 진공청소기의 흡입헤드
KR100704487B1 (ko) 2006-03-15 2007-04-09 엘지전자 주식회사 이동로봇의 흡입헤드
US8458856B2 (en) * 2007-02-13 2013-06-11 Samsung Electronics Co., Ltd. Upright type cleaner
CN103874445B (zh) * 2011-10-03 2017-03-29 皇家飞利浦有限公司 用于真空清洁器的地板吸嘴
CN103494582A (zh) * 2013-09-30 2014-01-08 樊书印 一种微型吸尘器
US11291345B2 (en) 2018-08-27 2022-04-05 Techtronic Floor Care Technology Limited Floor cleaner
DE102020213579B4 (de) 2020-10-29 2022-09-08 BSH Hausgeräte GmbH Reinigungsvorrichtung
CN113534573B (zh) * 2021-06-02 2022-10-18 重庆科技学院 一种具有自清洁功能的工业相机防护装置
EP4162851A1 (fr) * 2021-10-06 2023-04-12 Versuni Holding B.V. Direction de rotation d'une brosse dans une tête d'aspiration

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1470984A (en) * 1923-10-16 Signaling circuits
US1773961A (en) * 1923-03-24 1930-08-26 Clifford C Dance Vacuum sweeper
GB344713A (en) * 1929-04-30 1931-03-12 Willy Lehmann Improvements in and connected with vacuum cleaners
US2077958A (en) * 1930-05-28 1937-04-20 Hoover Co Suction cleaner
US3688338A (en) * 1970-04-27 1972-09-05 Borst & Penselfabriken Ab Carpet cleaning apparatuses
US4426751A (en) * 1982-01-21 1984-01-24 Whirlpool Corporation Vacuum cleaner nozzle with double brush
US4430768A (en) * 1982-03-24 1984-02-14 Novinger Harry E Agitator structure for suction cleaners
EP0553897A3 (en) * 1990-01-24 1993-12-29 Black & Decker Inc Vacuum cleaners
US5398373A (en) * 1993-01-04 1995-03-21 Bissell Inc. Combination vacuum cleaner and water extractor power foot
CA2192882C (fr) * 1996-01-23 2002-04-16 Shigenori Hato Outil de succion pour aspirateur electrique
KR100480145B1 (ko) * 2003-07-24 2005-04-06 엘지전자 주식회사 진공청소기의 흡입헤드

Also Published As

Publication number Publication date
EP1604602A2 (fr) 2005-12-14
US20050273970A1 (en) 2005-12-15
CN1706331A (zh) 2005-12-14
KR100595558B1 (ko) 2006-07-03
KR20050118001A (ko) 2005-12-15
EP1604602A3 (fr) 2007-09-05
CN100353902C (zh) 2007-12-12

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