EP3603473B1 - Reinigungskopf, der mit einer rotierenden bürste ausgestattet ist - Google Patents

Reinigungskopf, der mit einer rotierenden bürste ausgestattet ist Download PDF

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Publication number
EP3603473B1
EP3603473B1 EP19185945.3A EP19185945A EP3603473B1 EP 3603473 B1 EP3603473 B1 EP 3603473B1 EP 19185945 A EP19185945 A EP 19185945A EP 3603473 B1 EP3603473 B1 EP 3603473B1
Authority
EP
European Patent Office
Prior art keywords
cleaning head
speed reducer
drive motor
rotary brush
brush
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.)
Active
Application number
EP19185945.3A
Other languages
English (en)
French (fr)
Other versions
EP3603473A1 (de
Inventor
Antoine MARTI
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.)
SEB SA
Original Assignee
SEB SA
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Filing date
Publication date
Application filed by SEB SA filed Critical SEB SA
Publication of EP3603473A1 publication Critical patent/EP3603473A1/de
Application granted granted Critical
Publication of EP3603473B1 publication Critical patent/EP3603473B1/de
Active 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
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0427—Gearing or transmission means therefor
    • A47L9/0433—Toothed gearings
    • A47L9/0438—Toothed gearings with gears having orbital motion, e.g. planetary gearing
    • 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

  • the present invention relates to the field of vacuum cleaners equipped with a cleaning head, also called a vacuum cleaner nozzle, making it possible to suck up dust and small-grain waste present on a surface.
  • Vacuum cleaners equipped with a cleaning head are well known on the market, the latter making it possible to clean surfaces by suction for the removal of dust and small-grain waste based thereon.
  • the surface to be vacuumed can, for example, be tiles, parquet, laminate, carpet or a rug.
  • a cleaning head conventionally comprises a connection sleeve and a housing provided with a lower surface intended to be positioned adjoining the surface to be sucked up and with a suction chamber communicating with the connection sleeve, the suction chamber.
  • suction comprising a suction opening opening onto the lower surface of the housing and accommodating a rotating brush located opposite the suction opening.
  • the present invention aims to remedy all or part of these drawbacks.
  • the present invention relates to a cleaning head for a vacuum cleaner, comprising a housing, a drive motor, a speed reducer rotatably coupled to the drive motor, and a rotating brush configured to be rotated by the motor.
  • drive motor via the speed reducer, the rotating brush being removably mounted in the housing of the cleaning head, characterized in that the speed reducer is housed in the rotating brush and is attached to the rotating brush of such that the speed reducer remains integral with the rotating brush when extracting the rotating brush from the housing of the cleaning head.
  • Such a configuration of the cleaning head makes it possible to break down the drive motor and the speed reducer into two distinct parts, which greatly simplifies the assembly of the cleaning head, since it is then possible to dispense with the presence of a rolling bearing at the end of the rotating brush located on the side of the drive motor. Indeed, the positioning and centering of the rotating brush relative to the drive motor can for example be ensured on the one hand by a rolling bearing located at the end of the rotating brush which is opposite to the motor. drive and on the other hand directly by the speed reducer. Therefore, the speed reducer allows centering of the brush rotating offset from the drive motor.
  • the cleaning head according to the present invention makes it possible to center the rotating brush with respect to the drive motor with a single rolling bearing, which reduces the weight of the cleaning head and the assembly time of the cleaning head. .
  • the cleaning head may further have one or more of the following characteristics, taken alone or in combination.
  • the rotating brush comprises a first end and a second end located respectively near a first lateral edge and a second lateral edge of the housing of the cleaning head.
  • the drive motor and the speed reducer are distinct and separate from one another.
  • the rotating brush is configured to be extracted from the housing of the cleaning head in an extraction direction substantially parallel to a longitudinal axis of the rotating brush.
  • the drive motor is fixed to the housing of the cleaning head.
  • the drive motor extends at least partially in the rotating brush.
  • the output shaft of the drive motor substantially coincides with a longitudinal axis of the rotary brush.
  • the rotating brush comprises a brush body comprising an internal housing in which the reducer is housed. speed.
  • the drive motor extends at least partially into the internal housing of the brush body.
  • the brush body comprises a tubular peripheral wall.
  • the brush body has a generally cylindrical shape.
  • the rotating brush comprises a plurality of bristles arranged on an outer peripheral surface of the brush body.
  • the speed reducer is housed in a central portion of the rotating brush, and more particularly in a central portion of the brush body.
  • the brush body comprises an internal support wall extending transversely to a direction of extension of the brush body, the speed reducer being fixed to the internal support wall.
  • the internal support wall is located in a central zone of the brush body.
  • the housing of the cleaning head comprises a lower surface intended to be located opposite a floor to be cleaned, and a suction chamber comprising a suction opening opening into the surface.
  • a suction chamber comprising a suction opening opening into the surface.
  • the rotating brush is placed opposite the suction opening.
  • the suction opening extends transversely to a direction of movement of the cleaning head.
  • the suction opening can for example be of overall shape rectangular.
  • the suction opening is positioned in a front region of the lower surface of the housing.
  • the housing has a lateral opening opening into the suction chamber and through which the rotating brush can be extracted from the housing.
  • the speed reducer comprises a coupling portion coupled in rotation to an output shaft of the drive motor.
  • the cleaning head comprises a coupling part fitted onto the output shaft of the drive motor, the coupling part being coupled in rotation to the coupling portion of the reducer. of speed.
  • the coupling portion and the coupling part have non-circular cross sections.
  • the coupling portion and the coupling part are configured to allow axial displacement of the speed reducer relative to the drive motor so as to allow the extraction of the rotating brush. out of the crankcase.
  • the speed reducer is a planetary gear reducer.
  • the speed reducer comprises a frame fixed to the rotating brush and on which the external sun gear is arranged.
  • the outer sun gear is formed by an internally toothed ring.
  • the coupling portion and the internal sun gear are in one piece.
  • the rotating brush comprises an attachment part configured to be removably attached to the housing of the cleaning head.
  • the fixing part can for example be equipped with a bayonet fixing system or the like.
  • the fixing part at least partially closes one end of the brush body which is located opposite the drive motor.
  • the fixing part is configured to cooperate with fixing means provided at the level of the lateral opening of the casing.
  • the brush body is mounted to be movable in rotation relative to the fixing part.
  • the rotating brush comprises a bearing, such as a rolling bearing and in particular a ball rolling bearing, interposed between the fixing part and a support ring fixed to a portion of end of the brush body which is located opposite the drive motor.
  • a bearing such as a rolling bearing and in particular a ball rolling bearing
  • the support ring is located inside the brush body and is fixed to an internal surface of the brush body, for example by gluing or welding.
  • a damping element is interposed between the fixing part and the bearing.
  • the cleaning head has no bearing capable of cooperating with an end portion of the rotating brush which is located on the drive motor side.
  • the present invention further relates to a household vacuum cleaner comprising a cleaning head according to the invention.
  • the figures 1 to 7 represent a cleaning head 2 for a vacuum cleaner.
  • the cleaning head 2 comprises a housing 3, for example of plastic material, provided with a lower surface 4 intended to be located opposite a floor to be cleaned.
  • the lower surface 4 comprises a front part 5 which has a generally rectangular shape, and a rear part 6 which has a generally triangular shape.
  • the housing 3 further comprises a suction chamber 7 comprising a suction opening 8 opening into the lower surface 4 of the housing 3, and more particularly into the front part 5 of the lower surface 4.
  • the opening suction 8 has a generally rectangular shape and extends transversely to a direction of movement of the cleaning head 2.
  • the cleaning head 2 also comprises a mounting part 9 on which is intended to be fixed an end piece of a suction tube (not shown) of a vacuum cleaner, the suction tube being able to be rigid or flexible and being him - even connected to a vacuum cleaner suction system.
  • a suction tube (not shown) of a vacuum cleaner
  • the suction tube being able to be rigid or flexible and being him - even connected to a vacuum cleaner suction system.
  • the cleaning head 2 further comprises two displacement wheels 11 intended to roll over the surface to be cleaned.
  • the displacement wheels 11 are arranged on each side of the mounting part 9.
  • the cleaning head 2 further comprises a suction duct 12 comprising a first end opening into a central part of the suction chamber, and a second end intended to be fluidly connected to the suction tube, for example by the intermediary of a flexible connecting duct.
  • the cleaning head 2 also comprises a rotating brush 13 removably mounted in the suction chamber 7 and disposed opposite the suction opening 8.
  • the rotating brush 13 is configured to be extracted out of the housing 3 of the suction head. cleaning 2 in an extraction direction D substantially parallel to a longitudinal axis A of the rotating brush 13.
  • the rotating brush 13 comprises a brush body 14 of generally cylindrical shape.
  • the brush body 14 more particularly comprises a tubular peripheral wall 15, and an internal housing 16 delimited on the outside by the tubular peripheral wall 15.
  • the brush body 14 comprises a first end 14.1 and a second end 14.2 opposite to the first end 14.1, the internal housing 16 opening into the second end 14.2 of the brush body 14.
  • the first and second ends 14.1, 14.2 of the brush body 14 are located respectively close to 'a first side edge and a second side edge of the housing 3 of the cleaning head 2.
  • the rotating brush 13 further comprises an attachment portion 17 integral with the brush body 14 and closing off the first end 14.1 of the brush body 14.
  • the attachment portion 17 is more particularly configured to be removably attached to the housing 3 of the cleaning head 2.
  • the rotating brush 13 also has a plurality of bristles (not shown in the figures) arranged on an outer peripheral surface of the brush body 14.
  • the housing 3 has a lateral opening 18 opening into the suction chamber 7 and through which the rotating brush 13 can be extracted from the housing 3.
  • the fixing part 17 can for example be equipped with a bayonet or similar fixing system configured to cooperate with a complementary fixing system provided at the side opening 18 of the housing 3.
  • the cleaning head 2 further comprises a drive motor 19 fixed to the housing 3 of the cleaning head 2, and extending at least partially into the internal housing 16 of the brush body 14.
  • the drive motor 19 comprises an output shaft 20 extending along a motor axis coinciding with the longitudinal axis A of the rotating brush 13.
  • the cleaning head 2 also has a speed reducer 21 rotatably coupled to the drive motor 19, so that the rotating brush 13 can be rotated by the drive motor 19 through the speed reducer. 21.
  • the speed reducer 21 is housed in the internal housing 16 of the brush body 14, and is fixed to the rotating brush 13 so that the speed reducer 21 remains integral with the rotating brush 13 during the extraction of the rotating brush 13 out of the housing 3 of the cleaning head 2.
  • the speed reducer 21 is housed in a central portion of the brush body 14.
  • the brush body 14 comprises an internal support wall 22 which extends transversely to a direction of extension of the brush body 14 and which is located in a central area of the brush body 14, and the speed reducer 21 is fixed to the inner support wall 22.
  • the speed reducer 21 comprises a coupling portion 23 rotatably coupled to a coupling part 30 fitted onto the output shaft 20 of the drive motor 19.
  • the coupling portion 23 and the coupling part 30 have non-circular (and for example hexagonal) and complementary cross sections, and are configured to allow axial displacement of the speed reducer 21 relative to the drive motor 19 so as to allow a disconnection of the reducer from speed 21 and of the output shaft 20 when extracting the rotating brush 13 from the casing 3.
  • the coupling portion 23 may for example include a hexagonal recess suitable for receiving the coupling part 30.
  • the coupling portion 23 and the internal sun gear 24 are in one piece, and the speed reducer 21 comprises a frame 28 fixed to the internal support wall 22 and on which the external sun gear 25.
  • the outer sun gear 25 can by example be formed by an internally toothed crown.
  • the frame 28 may optionally include a fixing finger 29 extending through a passage opening provided on the internal support wall 22.
  • the fixing finger 29 extends parallel to the longitudinal axis A of the rotating brush. 13 and is offset with respect to the longitudinal axis A.
  • the frame 28 is also advantageously fixed to the internal support wall 22 using fixing screws.
  • An elastic ring 32 also called circlip, is advantageously provided on the internal sun gear 24 in order to keep the speed reducer 21 assembled during the withdrawal of the rotating brush 13.
  • the elastic ring 32 prevents, or at least limits, a translation of the. internal planetary 24 relative to external planetary 25
  • the rotating brush 13 also comprises a bearing 33, such as a rolling bearing and in particular a ball bearing bearing, interposed between the fixing part 17 and a support ring 34 located inside the brush body 14 and fixed to an end portion of the brush body 14 which is located opposite the drive motor 19.
  • a bearing 33 makes it possible not to drive the part in rotation.
  • fixing 17 when the brush body 14 is driven in rotation by the drive motor 19.
  • a damping element 35 is interposed between the fixing part 17 and the bearing 33.
  • the part fixing 17 may comprise a receiving housing in which is mounted the damping element 35, the bearing 33 being disposed between an internal surface of the damping element 35 and a central portion of the support ring 34.
  • the cleaning head 2 is devoid of any bearing capable of cooperating with the second end 14.2 of the brush body 14 which is located on the side of the drive motor 19.

Landscapes

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

Claims (11)

  1. Reinigungskopf (2) für einen Staubsauger, der ein Gehäuse (3), einen Antriebsmotor (19), ein mit dem Antriebsmotor (19) drehgekoppeltes Untersetzungsgetriebe (21) und eine Drehbürste (13) umfasst, die so ausgelegt ist, dass sie vom Antriebsmotor (19) über das Untersetzungsgetriebe (21) drehend angetrieben wird, wobei die Drehbürste (13) herausnehmbar im Gehäuse (3) des Reinigungskopfes angebracht ist, dadurch gekennzeichnet, dass das Untersetzungsgetriebe (21) in der Drehbürste (13) untergebracht ist und so an der Drehbürste (13) befestigt ist, dass das Untersetzungsgetriebe (21) beim Ausbau der Drehbürste (13) aus dem Gehäuse (3) des Reinigungskopfes (2) fest mit der Drehbürste (13) verbunden bleibt.
  2. Reinigungskopf (2) nach Anspruch 1, wobei der Antriebsmotor (19) am Gehäuse (3) des Reinigungskopfes (2) befestigt ist.
  3. Reinigungskopf (2) nach Anspruch 1 oder 2, wobei sich der Antriebsmotor (19) mindestens teilweise in die Drehbürste (13) erstreckt.
  4. Reinigungskopf (2) nach einem der Ansprüche 1 bis 3, wobei die Drehbürste (13) einen Bürstenkörper (14) umfasst, der eine innere Aufnahme (16) umfasst, in der das Untersetzungsgetriebe (21) untergebracht ist.
  5. Reinigungskopf (2) nach Anspruch 4, wobei der Bürstenkörper (14) eine innere Stützwand (22) umfasst, die sich quer zu einer Erstreckungsrichtung des Bürstenkörpers (14) erstreckt, wobei das Untersetzungsgetriebe (21) an der inneren Stützwand (22) befestigt ist.
  6. Reinigungskopf (2) nach einem der Ansprüche 1 bis 5, wobei das Gehäuse (3) des Reinigungskopfes eine untere Fläche (4), die dazu bestimmt ist, sich einem zu reinigenden Boden zugewandt zu befinden, und eine Saugkammer (7) umfasst, die eine Saugöffnung (8) umfasst, die in der unteren Fläche (4) des Gehäuses (3) mündet, wobei die Drehbürste (13) herausnehmbar in der Saugkammer (7) angebracht ist.
  7. Reinigungskopf (2) nach Anspruch 6, wobei das Gehäuse (3) eine seitliche Öffnung (18) umfasst, die in die Saugkammer (7) mündet und durch die die Drehbürste (13) aus dem Gehäuse (3) ausgebaut werden kann.
  8. Reinigungskopf (2) nach einem der Ansprüche 1 bis 7, wobei das Untersetzungsgetriebe (21) einen Kupplungsabschnitt (23) umfasst, der mit einer Abtriebswelle (20) des Antriebsmotors (19) drehgekoppelt ist.
  9. Reinigungskopf (2) nach einem der Ansprüche 1 bis 8, wobei es sich beim Untersetzungsgetriebe (21) um ein epizyklisches Untersetzungsgetriebe handelt.
  10. Reinigungskopf (2) nach einem der Ansprüche 1 bis 9, wobei der Antriebsmotor (19) und das Untersetzungsgetriebe (21) voneinander verschieden und getrennt sind.
  11. Haushaltsstaubsauger, der einen Reinigungskopf (2) nach einem der vorstehenden Ansprüche umfasst.
EP19185945.3A 2018-08-03 2019-07-12 Reinigungskopf, der mit einer rotierenden bürste ausgestattet ist Active EP3603473B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1857312A FR3084574B1 (fr) 2018-08-03 2018-08-03 Tete de nettoyage equipee d'une brosse rotative

Publications (2)

Publication Number Publication Date
EP3603473A1 EP3603473A1 (de) 2020-02-05
EP3603473B1 true EP3603473B1 (de) 2021-04-28

Family

ID=65201022

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19185945.3A Active EP3603473B1 (de) 2018-08-03 2019-07-12 Reinigungskopf, der mit einer rotierenden bürste ausgestattet ist

Country Status (4)

Country Link
EP (1) EP3603473B1 (de)
CN (2) CN210727648U (de)
ES (1) ES2875398T3 (de)
FR (1) FR3084574B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3109517B1 (fr) * 2020-04-23 2023-05-12 Seb Sa Brosse rotative pour tête d’aspiration
CN111775894B (zh) * 2020-07-20 2021-09-14 叶智博 一种新能源汽车室内清洁装置
JP7450186B2 (ja) 2020-12-07 2024-03-15 パナソニックＩｐマネジメント株式会社 吸込具
FR3138289A1 (fr) * 2022-07-29 2024-02-02 Seb S.A. Tête d’aspiration comprenant une semelle équipée d’une surface de glissement avant courbée
GB2622025A (en) * 2022-08-31 2024-03-06 Dyson Technology Ltd Drive system for a floor cleaner

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100384980B1 (ko) * 1998-04-03 2003-06-02 마츠시타 덴끼 산교 가부시키가이샤 회전 브러시 장치 및 이를 이용한 전기 기구
JP2001346729A (ja) * 2000-06-09 2001-12-18 Matsushita Electric Ind Co Ltd 電気掃除機用吸込具並びに電気掃除機
GB2498351B (en) * 2012-01-10 2014-06-18 Dyson Technology Ltd A cleaner head for a vacuum cleaner
GB2499213B (en) * 2012-02-08 2016-10-19 Dyson Technology Ltd A cleaner-head for a vacuum cleaner
GB2499214B (en) * 2012-02-08 2014-03-26 Dyson Technology Ltd A cleaner-head for a vacuum cleaner
GB2526512B (en) * 2014-03-19 2017-07-26 Dyson Technology Ltd Cleaning appliance
GB201404917D0 (en) * 2014-03-19 2014-04-30 Dyson Technology Ltd Cleaner head
GB2529819B (en) * 2014-09-02 2017-06-14 Dyson Technology Ltd Cleaner head

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CN210727648U (zh) 2020-06-12
EP3603473A1 (de) 2020-02-05
ES2875398T3 (es) 2021-11-10
FR3084574A1 (fr) 2020-02-07
CN110786780A (zh) 2020-02-14
FR3084574B1 (fr) 2020-07-03

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