EP3603473A1 - Reinigungskopf, der mit einer rotierenden bürste ausgestattet ist - Google Patents

Reinigungskopf, der mit einer rotierenden bürste ausgestattet ist Download PDF

Info

Publication number: EP3603473A1
Authority: EP; European Patent Office
Prior art keywords: cleaning head; rotary brush; speed reducer; drive motor; housing
Prior art date: 2018-08-03
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

EP19185945.3A

Other languages

English (en)

French (fr)

Other versions

EP3603473B1 (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

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.)

2018-08-03

Filing date

2019-07-12

Publication date

2020-02-05

2019-07-12 Application filed by SEB SA filed Critical SEB SA

2020-02-05 Publication of EP3603473A1 publication Critical patent/EP3603473A1/de

2021-04-28 Application granted granted Critical

2021-04-28 Publication of EP3603473B1 publication Critical patent/EP3603473B1/de

Status Active legal-status Critical Current

2039-07-12 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 vacuum dust and small particle size waste present on a surface.
Vacuums equipped with a cleaning head are well known on the market, these making it possible to clean surfaces by suction for the evacuation of dust and small particle size waste resting thereon.
the surface to be vacuumed can for example be tiles, parquet, laminate, carpet or a carpet.
a cleaning head traditionally comprises a connection sleeve and a casing provided with a lower surface intended to be positioned adjacent to the surface to be suctioned and with a suction chamber communicating with the connection sleeve, the suction comprising a suction opening opening onto the lower surface of the casing and housing a rotary brush situated opposite the suction opening.
the present invention aims to remedy all or part of these drawbacks.
the technical problem underlying the invention consists in particular in providing a cleaning head with a reliable and economical structure, while guaranteeing improved suction performance and easy mounting of the cleaning head.
the present invention relates to a cleaning head for a vacuum cleaner, comprising a casing, a drive motor, a speed reducer coupled in rotation to the drive motor, and a rotary brush configured to be driven in rotation by the drive motor by means of the speed reducer, the rotary brush being removably mounted in the housing of the cleaning head, characterized in that the speed reducer is housed in the rotary brush and is fixed to the rotary brush of so that the speed reducer remains integral with the rotary brush during the extraction of the rotary brush from the housing of the cleaning head.
Such a configuration of the cleaning head makes it possible to decompose the drive motor and the speed reducer into two separate parts, which makes it possible to greatly simplify the mounting of the cleaning head, since it is then possible to dispense with the presence of a rolling bearing at the end of the rotary brush located on the side of the drive motor.
the positioning and centering of the rotary brush relative to the drive motor can for example be provided on the one hand by a rolling bearing located at the end of the rotary brush which is opposite to the motor d drive and on the other hand directly by the speed reducer. Therefore, the speed reducer allows centering of the brush offset from the drive motor.
the cleaning head according to the present invention makes it possible to center the rotary 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. .
such a configuration of the cleaning head makes it possible to bring the drive motor closer to one end of the rotary brush, and therefore to ensure easy and optimal cooling of the drive motor and therefore to ensure improved suction performance at the cleaning head.
the cleaning head may also have one or more of the following characteristics, taken alone or in combination.
the rotary brush has a first end and a second end situated 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 each other.
the rotary 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 rotary brush.
the drive motor is fixed to the housing of the cleaning head.
the drive motor extends at least partially in the rotary brush.
the output shaft of the drive motor substantially coincides with a longitudinal axis of the rotary brush.
the rotary brush comprises a brush body comprising an internal housing in which is housed the reduction gear. speed.
the drive motor extends at least partially in the internal housing of the brush body.
the brush body has a tubular peripheral wall.
the brush body has a generally cylindrical shape.
the rotary brush comprises a plurality of bristles arranged on an external peripheral surface of the brush body.
the speed reducer is housed in a central portion of the rotary brush, and more particularly in a central portion of the brush body.
the brush body has an internal support wall extending transversely to an extension direction of the brush body, the speed reducer being fixed on the internal support wall.
the internal support wall is located in a central region 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 bottom of the housing, the rotary brush being removably mounted in the suction chamber.
the rotary brush is arranged 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 zone of the lower surface of the casing.
the casing has a lateral opening opening into the suction chamber and through which the rotary brush can be extracted from the casing.
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 on the output shaft of the drive motor, the coupling part being coupled in rotation to the coupling portion of the reduction gear. 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 movement of the speed reducer relative to the drive motor so as to allow the extraction of the rotary brush. out of the housing.
the speed reducer is a planetary gear reducer.
the speed reducer comprises a frame fixed to the rotary brush and on which the external sun gear is formed.
the outer sun gear is formed by an internally toothed ring.
the coupling portion and the internal sun gear are in one piece.
the rotary brush has a fixing part configured to be removably fixed 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 situated opposite the drive motor.
the fixing part is configured to cooperate with fixing means provided at the lateral opening of the casing.
the brush body is mounted movable in rotation relative to the fixing part.
the rotary brush comprises a bearing, such as a rolling bearing and in particular a ball bearing, interposed between the fixing part and a support ring fixed to a portion of end of the brush body which is opposite the drive motor.
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 is devoid of bearing capable of cooperating with an end portion of the rotary 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 vacuum cleaner.
the cleaning head 2 comprises a casing 3, for example made of plastic, 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 casing 3 further comprises a suction chamber 7 comprising a suction opening 8 opening into the lower surface 4 of the casing 3, and more particularly in the front part 5 of the lower surface 4.
the opening 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 a nozzle of a suction tube (not illustrated) of a vacuum cleaner, the suction tube being able to be rigid or flexible and being - even connected to a vacuum system of the vacuum cleaner.
a mounting part 9 on which is intended to be fixed a nozzle of a suction tube (not illustrated) of a vacuum cleaner, the suction tube being able to be rigid or flexible and being - even connected to a vacuum system of the vacuum cleaner.
the cleaning head 2 further comprises two displacement wheels 11 intended to roll on 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 through a flexible connecting conduit.
the cleaning head 2 also comprises a rotary brush 13 removably mounted in the suction chamber 7 and disposed opposite the suction opening 8.
the rotary brush 13 is configured to be extracted from the casing 3 of the head of cleaning 2 along an extraction direction D substantially parallel to a longitudinal axis A of the rotary brush 13.
the rotary 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 externally by the tubular peripheral wall 15.
the brush body 14 has a first end 14.1 and a second end 14.2 opposite 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 lateral edge and a second lateral edge of the casing 3 of the cleaning head 2.
the rotary brush 13 further comprises a fixing part 17 integral with the brush body 14 and closing the first end 14.1 of the brush body 14.
the fixing part 17 is more particularly configured to be removably fixed to the casing 3 of the cleaning head 2.
the rotary brush 13 also comprises a plurality of bristles (not illustrated in the figures) arranged on an external peripheral surface of the brush body 14.
the casing 3 has a lateral opening 18 opening into the suction chamber 7 and through which the rotary brush 13 can be extracted from the casing 3.
the fixing part 17 can for example be equipped with a bayonet fixing system or the like configured to cooperate with a complementary fixing system provided at the lateral opening 18 of the casing 3.
the cleaning head 2 further comprises a drive motor 19 fixed to the casing 3 of the cleaning head 2, and extending at least partially in the internal housing 16 of the brush body 14.
the drive motor 19 comprises an output shaft 20 extending along an axis of the motor coinciding with the longitudinal axis A of the rotary brush 13.
the cleaning head 2 also comprises a speed reducer 21 coupled in rotation to the drive motor 19, so that the rotary brush 13 can be rotated by the drive motor 19 via 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 rotary brush 13 so that the speed reducer 21 remains integral with the rotary brush 13 during the extraction of the rotary brush 13 out cover 3 of cleaning head 2.
the speed reducer 21 is housed in a central portion of the brush body 14.
the brush body 14 has an internal support wall 22 which extends transversely to a direction of extension of the brush body 14 and which is situated in a central zone of the brush body 14, and the speed reducer 21 is fixed to the internal support wall 22.
the speed reducer 21 comprises a coupling portion 23 coupled in rotation to a coupling part 30 fitted on 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) cross sections and are configured to allow axial movement of the speed reducer 21 relative to the drive motor 19 so as to allow uncoupling of the speed reducer speed 21 and the output shaft 20 during the extraction of the rotary brush 13 from the casing 3.
the coupling portion 23 may for example have a hexagonal imprint capable of 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 on the internal support wall 22 and on which the external sun gear 25 is formed.
the external 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 orifice provided on the internal support wall 22.
the fixing finger 29 extends parallel to the longitudinal axis A of the rotary brush 13 and is offset from 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 a circlip, is advantageously provided on the internal sun gear 24 in order to maintain the speed reducer 21 assembled during the removal of the rotary brush 13.
the elastic ring 32 prevents, or at least limits, a translation of the internal planetary 24 with respect to external planetary 25
the rotary brush 13 also includes a bearing 33, such as a rolling bearing and in particular a ball 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 situated 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 rotated 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 include 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 3 4.
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)

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 true EP3603473A1 (de)	2020-02-05
EP3603473B1 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)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN113545698A (zh) *	2020-04-23	2021-10-26	Seb公司	吸头的清洁单元
CN113545699A (zh) *	2020-04-23	2021-10-26	Seb公司	吸头用的旋转刷
EP4311464A1 (de) *	2022-07-29	2024-01-31	Seb S.A.	Saugkopf mit einer sohle mit gekrümmter vordergleitfläche
GB2622025A (en) *	2022-08-31	2024-03-06	Dyson Technology Ltd	Drive system for a floor cleaner

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR3109515B1 (fr) *	2020-04-23	2022-05-06	Seb Sa	Unité de nettoyage 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
CN115778247B (zh) *	2022-11-15	2026-02-03	添可智能科技有限公司	清洁设备及驱动装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2811883A1 (de) *	2012-02-08	2014-12-17	Dyson Technology Limited	Reinigungskopf für einen staubsauger
US20160058257A1 (en) *	2014-09-02	2016-03-03	Dyson Technology Limited	Cleaner head

Family Cites Families (6)

* 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
GB2499214B (en) *	2012-02-08	2014-03-26	Dyson Technology Ltd	A cleaner-head for a vacuum cleaner
GB2536152B (en) *	2014-03-19	2017-04-12	Dyson Technology Ltd	Cleaning appliance
GB201404917D0 (en) *	2014-03-19	2014-04-30	Dyson Technology Ltd	Cleaner head

2018
- 2018-08-03 FR FR1857312A patent/FR3084574B1/fr not_active Expired - Fee Related
2019
- 2019-07-12 EP EP19185945.3A patent/EP3603473B1/de active Active
- 2019-07-12 ES ES19185945T patent/ES2875398T3/es active Active
- 2019-07-25 CN CN201921179654.XU patent/CN210727648U/zh active Active
- 2019-07-25 CN CN201910675720.0A patent/CN110786780A/zh active Pending

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2811883A1 (de) *	2012-02-08	2014-12-17	Dyson Technology Limited	Reinigungskopf für einen staubsauger
US20160058257A1 (en) *	2014-09-02	2016-03-03	Dyson Technology Limited	Cleaner head

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN113545698A (zh) *	2020-04-23	2021-10-26	Seb公司	吸头的清洁单元
CN113545699A (zh) *	2020-04-23	2021-10-26	Seb公司	吸头用的旋转刷
EP3900597A1 (de) *	2020-04-23	2021-10-27	Seb S.A.	Drehbürste für saugkopf
FR3109517A1 (fr) *	2020-04-23	2021-10-29	Seb S.A.	Brosse rotative pour tête d’aspiration
EP4311464A1 (de) *	2022-07-29	2024-01-31	Seb S.A.	Saugkopf mit einer sohle mit gekrümmter vordergleitfläche
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
WO2024047437A1 (en) *	2022-08-31	2024-03-07	Dyson Technology Limited	Drive system for a floor cleaner
GB2622025B (en) *	2022-08-31	2025-02-19	Dyson Technology Ltd	Drive system for a floor cleaner

Also Published As

Publication number	Publication date
FR3084574B1 (fr)	2020-07-03
EP3603473B1 (de)	2021-04-28
ES2875398T3 (es)	2021-11-10
CN110786780A (zh)	2020-02-14
FR3084574A1 (fr)	2020-02-07
CN210727648U (zh)	2020-06-12

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