EP3603473B1 - Cleaning head provided with a rotary brush - Google Patents

Cleaning head provided with a rotary brush 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
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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
German (de)
French (fr)
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EP3603473A1 (en
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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Publication date
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Publication of EP3603473A1 publication Critical patent/EP3603473A1/en
Application granted granted Critical
Publication of EP3603473B1 publication Critical patent/EP3603473B1/en
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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.

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

Description

Domaine techniqueTechnical area

La présente invention concerne le domaine des aspirateurs équipés d'une tête de nettoyage, également nommé suceur d'aspirateur, permettant d'aspirer les poussières et les déchets de faible granulométrie présents sur une surface.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.

Etat de la techniqueState of the art

Les aspirateurs équipés d'une tête de nettoyage sont bien connus sur le marché, ceux-ci permettant de nettoyer des surfaces par aspiration pour l'évacuation des poussières et des déchets de faible granulométrie reposant sur celles-ci. La surface à aspirer peut par exemple être du carrelage, du parquet, du stratifié, de la moquette ou un tapis.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.

Une tête de nettoyage comprend traditionnellement un manchon de raccordement et un carter muni d'une surface inférieure destinée à être positionnée de manière attenante à la surface à aspirer et d'une chambre d'aspiration communiquant avec le manchon de raccordement, la chambre d'aspiration comprenant une ouverture d'aspiration débouchant sur la surface inférieure du carter et logeant une brosse rotative située en regard de l'ouverture d'aspiration.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.

Afin notamment d'augmenter l'efficacité de dépoussiérage sur moquette d'une telle tête de nettoyage, il est connu de disposer le système d'entraînement en rotation de la brosse rotative à l'intérieur de cette dernière. En effet, une telle configuration de la tête de nettoyage permet de se dispenser de la présence de courroie et de pignon pour coupler en rotation le moteur d'entraînement et la brosse rotative.In order in particular to increase the dust removal efficiency on carpet of such a cleaning head, it is known practice to arrange the system for driving the rotating brush in rotation inside the latter. In fact, such a configuration of the cleaning head makes it possible to dispense with the presence of a belt and a pinion in order to couple the drive motor and the rotating brush in rotation.

Toutefois, le montage d'une tête de nettoyage équipée d'un tel système d'entraînement en rotation peut s'avérer complexe et fastidieux, du fait qu'une telle disposition du système d'entraînement en rotation requiert la présence d'un premier palier à roulement et d'un deuxième palier à roulement disposés respectivement au niveau de chacune des extrémités de la brosse rotative pour assurer un positionnement et un centrage appropriés de la brosse rotative par rapport au moteur d'entraînement. Une tête de nettoyage selon le préambule de la revendication 1 est connu par exemple du document EP-A-2811883 .However, mounting a cleaning head equipped with such a rotary drive system can prove to be complex and tedious, because such an arrangement of the rotary drive system requires the presence of a first rolling bearing and a second rolling bearing arranged respectively at each of the ends of the rotating brush to ensure proper positioning and centering of the rotating brush relative to the drive motor. A cleaning head according to the preamble of claim 1 is known for example from document EP-A-2811883 .

Résumé de l'inventionSummary of the invention

La présente invention vise à remédier à tout ou partie de ces inconvénients.The present invention aims to remedy all or part of these drawbacks.

Le problème technique à la base de l'invention consiste notamment à fournir une tête de nettoyage de structure fiable et économique, tout en garantissant des performances d'aspiration améliorées et un montage aisé de la tête de nettoyage.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.

A cet effet, la présente invention concerne une tête de nettoyage pour aspirateur, comprenant un carter, un moteur d'entraînement, un réducteur de vitesse couplé en rotation au moteur d'entraînement, et une brosse rotative configurée pour être entraînée en rotation par le moteur d'entraînement par l'intermédiaire du réducteur de vitesse, la brosse rotative étant montée amovible dans le carter de la tête de nettoyage, caractérisée en ce que le réducteur de vitesse est logé dans la brosse rotative et est fixé à la brosse rotative de telle sorte que le réducteur de vitesse reste solidaire de la brosse rotative lors de l'extraction de la brosse rotative hors du carter de la tête de nettoyage.To this end, 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.

Une telle configuration de la tête de nettoyage permet de décomposer le moteur d'entraînement et le réducteur de vitesse en deux pièces distinctes, ce qui permet de simplifier grandement le montage de la tête de nettoyage, puisqu'il est alors possible de se dispenser de la présence d'un palier à roulement au niveau de l'extrémité de la brosse rotative située du côté du moteur d'entraînement. En effet, le positionnent et le centrage de la brosse rotative par rapport au moteur d'entraînement peut par exemple être assuré d'une part par un palier à roulement situé au niveau de l'extrémité de la brosse rotative qui est opposée au moteur d'entraînement et d'autre part directement par le réducteur de vitesse. De ce fait, le réducteur de vitesse permet un centrage de la brosse rotative de façon déportée par rapport au moteur d'entraînement.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.

Ainsi, la tête de nettoyage selon la présente invention permet de centrer la brosse rotative par rapport au moteur d'entraînement avec un seul palier à roulement, ce qui diminue le poids de la tête de nettoyage et le temps de montage de la tête de nettoyage.Thus, 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. .

En outre, une telle configuration de la tête de nettoyage permet de rapprocher le moteur d'entraînement d'une extrémité de la brosse rotative, et donc d'assurer un refroidissement aisé et optimal du moteur d'entraînement et de ce fait d'assurer des performances d'aspiration améliorées à la tête de nettoyage.In addition, such a configuration of the cleaning head makes it possible to bring the drive motor closer to one end of the rotating brush, and therefore to ensure easy and optimal cooling of the drive motor and therefore to ensure improved suction performance at the cleaning head.

La tête de nettoyage peut en outre présenter une ou plusieurs des caractéristiques suivantes, prises seules ou en combinaison.The cleaning head may further have one or more of the following characteristics, taken alone or in combination.

Selon un mode de réalisation de l'invention, la brosse rotative comporte une première extrémité et une deuxième extrémité situées respectivement à proximité d'un premier bord latéral et d'un deuxième bord latéral du carter de la tête de nettoyage.According to one embodiment of the invention, 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.

Selon un mode de réalisation de l'invention, le moteur d'entraînement et le réducteur de vitesse sont distincts et séparés l'un de l'autre.According to one embodiment of the invention, the drive motor and the speed reducer are distinct and separate from one another.

Selon un mode de réalisation de l'invention, la brosse rotative est configurée pour être extraite hors du carter de la tête de nettoyage selon une direction d'extraction sensiblement parallèle à un axe longitudinal de la brosse rotative.According to one embodiment of the invention, 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.

Selon un mode de réalisation de l'invention, le moteur d'entraînement est fixé au carter de la tête de nettoyage.According to one embodiment of the invention, the drive motor is fixed to the housing of the cleaning head.

Selon un mode de réalisation de l'invention, le moteur d'entraînement s'étend au moins partiellement dans la brosse rotative.According to one embodiment of the invention, the drive motor extends at least partially in the rotating brush.

Selon un mode de réalisation de l'invention, l'arbre de sortie du moteur d'entraînement coïncide sensiblement avec un axe longitudinal de la brosse rotative.According to one embodiment of the invention, the output shaft of the drive motor substantially coincides with a longitudinal axis of the rotary brush.

Selon un mode de réalisation de l'invention, la brosse rotative comporte un corps de brosse comprenant un logement interne dans lequel est logé le réducteur de vitesse.According to one embodiment of the invention, the rotating brush comprises a brush body comprising an internal housing in which the reducer is housed. speed.

Selon un mode de réalisation de l'invention, le moteur d'entraînement s'étend au moins partiellement dans de logement interne du corps de brosse.According to one embodiment of the invention, the drive motor extends at least partially into the internal housing of the brush body.

Selon un mode de réalisation de l'invention, le corps de brosse comporte une paroi périphérique tubulaire.According to one embodiment of the invention, the brush body comprises a tubular peripheral wall.

Selon un mode de réalisation de l'invention, le corps de brosse a une forme globalement cylindrique.According to one embodiment of the invention, the brush body has a generally cylindrical shape.

Selon un mode de réalisation de l'invention, la brosse rotative comporte une pluralité de poils disposés sur une surface périphérique externe du corps de brosse.According to one embodiment of the invention, the rotating brush comprises a plurality of bristles arranged on an outer peripheral surface of the brush body.

Selon un mode de réalisation de l'invention, le réducteur de vitesse est logé dans une portion centrale de la brosse rotative, et plus particulièrement dans une portion centrale du corps de brosse.According to one embodiment of the invention, the speed reducer is housed in a central portion of the rotating brush, and more particularly in a central portion of the brush body.

Selon un mode de réalisation de l'invention, le corps de brosse comporte une paroi de support interne s'étendant transversalement à une direction d'extension du corps de brosse, le réducteur de vitesse étant fixé sur la paroi de support interne.According to one embodiment of the invention, 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.

Selon un mode de réalisation de l'invention, la paroi de support interne est située dans une zone centrale du corps de brosse.According to one embodiment of the invention, the internal support wall is located in a central zone of the brush body.

Selon un mode de réalisation de l'invention, le carter de la tête de nettoyage comporte une surface inférieure destinée à être située en regard d'un sol à nettoyer, et une chambre d'aspiration comprenant une ouverture d'aspiration débouchant dans la surface inférieure du carter, la brosse rotative étant montée amovible dans la chambre d'aspiration.According to one embodiment of the invention, 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. lower casing, the rotating brush being removably mounted in the suction chamber.

Selon un mode de réalisation de l'invention, la brosse rotative est disposée en regard de l'ouverture d'aspiration.According to one embodiment of the invention, the rotating brush is placed opposite the suction opening.

Selon un mode de réalisation de l'invention, l'ouverture d'aspiration s'étend transversalement à une direction de déplacement de la tête de nettoyage. L'ouverture d'aspiration peut par exemple être de forme globalement rectangulaire.According to one embodiment of the invention, 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.

Selon un mode de réalisation de l'invention, l'ouverture d'aspiration est positionnée dans une zone avant de la surface inférieure du carter.According to one embodiment of the invention, the suction opening is positioned in a front region of the lower surface of the housing.

Selon un mode de réalisation de l'invention, le carter comporte une ouverture latérale débouchant dans la chambre d'aspiration et à travers laquelle la brosse rotative peut être extraite hors du carter.According to one embodiment of the invention, the housing has a lateral opening opening into the suction chamber and through which the rotating brush can be extracted from the housing.

Selon un mode de réalisation de l'invention, le réducteur de vitesse comporte une portion d'accouplement couplée en rotation à un arbre de sortie du moteur d'entraînement.According to one embodiment of the invention, the speed reducer comprises a coupling portion coupled in rotation to an output shaft of the drive motor.

Selon un mode de réalisation de l'invention, la tête de nettoyage comporte une pièce d'accouplement emmanchée sur l'arbre de sortie du moteur d'entraînement, la pièce d'accouplement étant couplée en rotation à la portion d'accouplement du réducteur de vitesse.According to one embodiment of the invention, 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.

Selon un mode de réalisation de l'invention, la portion d'accouplement et la pièce d'accouplement présentent des sections transversales non circulaires.According to one embodiment of the invention, the coupling portion and the coupling part have non-circular cross sections.

Selon un mode de réalisation de l'invention, la portion d'accouplement et la pièce d'accouplement sont configurées pour autoriser un déplacement axial du réducteur de vitesse par rapport au moteur d'entraînement de manière à permettre l'extraction de la brosse rotative hors du carter.According to one embodiment of the invention, 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.

Selon un mode de réalisation de l'invention, le réducteur de vitesse est un réducteur à train épicycloïdal.According to one embodiment of the invention, the speed reducer is a planetary gear reducer.

Selon un mode de réalisation de l'invention, le réducteur de vitesse comporte :

  • un planétaire interne et un planétaire externe coaxiaux, le planétaire interne étant mobile en rotation autour d'un axe de rotation et étant solidaire en rotation de la portion d'accouplement, le planétaire externe étant fixe par rapport à la brosse rotative, et
  • au moins un satellite monté mobile en rotation sur un porte-satellite et engrenant à la fois avec le planétaire interne et avec le planétaire externe, le porte-satellite étant monté fixe par rapport au carter 3.
According to one embodiment of the invention, the speed reducer comprises:
  • a coaxial internal sun gear and an external sun gear, the internal sun gear being movable in rotation about an axis of rotation and being integral in rotation with the coupling portion, the outer sun gear being fixed relative to the rotating brush, and
  • at least one planet gear mounted movably in rotation on a planet gear carrier and meshing both with the internal sun gear and with the outer sun gear, the planet gear being mounted fixed with respect to the casing 3.

Selon un mode de réalisation de l'invention, le réducteur de vitesse comporte un bâti fixé sur la brosse rotative et sur lequel est ménagé le planétaire externe. De façon avantageuse, le planétaire externe est formé par une couronne dentée intérieurement.According to one embodiment of the invention, the speed reducer comprises a frame fixed to the rotating brush and on which the external sun gear is arranged. Advantageously, the outer sun gear is formed by an internally toothed ring.

Selon un mode de réalisation de l'invention, la portion d'accouplement et le planétaire interne sont monobloc.According to one embodiment of the invention, the coupling portion and the internal sun gear are in one piece.

Selon un mode de réalisation de l'invention, la brosse rotative comporte une partie de fixation configurée pour être fixée de manière amovible au carter de la tête de nettoyage. La partie de fixation peut par exemple être équipée d'un système de fixation à baïonnette ou similaire.According to one embodiment of the invention, 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.

Selon un mode de réalisation de l'invention, la partie de fixation obture au moins partiellement une extrémité du corps de brosse qui est située à l'opposé du moteur d'entraînement.According to one embodiment of the invention, the fixing part at least partially closes one end of the brush body which is located opposite the drive motor.

Selon un mode de réalisation de l'invention, la partie de fixation est configurée pour coopérer avec des moyens de fixation prévus au niveau de l'ouverture latérale du carter.According to one embodiment of the invention, the fixing part is configured to cooperate with fixing means provided at the level of the lateral opening of the casing.

Selon un mode de réalisation de l'invention, le corps de brosse est monté mobile en rotation par rapport à la partie de fixation.According to one embodiment of the invention, the brush body is mounted to be movable in rotation relative to the fixing part.

Selon un mode de réalisation de l'invention, la brosse rotative comporte un palier, tel qu'un palier à roulement et notamment un palier à roulement à billes, interposé entre la partie de fixation et une bague de support fixée à une portion d'extrémité du corps de brosse qui est située à l'opposé du moteur d'entraînement. Avantageusement, la bague de support est située à l'intérieur du corps de brosse et est fixée à une surface interne du corps de brosse, par exemple par collage ou soudure.According to one embodiment of the invention, 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. Advantageously, 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.

Selon un mode de réalisation de l'invention, un élément d'amortissement est interposé entre la partie de fixation et le palier.According to one embodiment of the invention, a damping element is interposed between the fixing part and the bearing.

Selon un mode de réalisation de l'invention, la tête de nettoyage est dépourvue de palier apte à coopérer avec une portion d'extrémité de la brosse rotative qui est située du côté du moteur d'entraînement.According to one embodiment of the invention, 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.

La présente invention concerne en outre un aspirateur domestique comprenant une tête de nettoyage selon l'invention.The present invention further relates to a household vacuum cleaner comprising a cleaning head according to the invention.

Brève description des figuresBrief description of the figures

De toute façon l'invention sera bien comprise à l'aide de la description qui suit en référence aux dessins schématiques annexés représentant, à titre d'exemple non limitatif, une forme d'exécution de cette tête de nettoyage.

  • Figure 1 est une vue en perspective de dessous d'une tête de nettoyage selon la présente invention.
  • Figure 2 est une vue en perspective de dessous de la tête de nettoyage de la figure 1 montrant une étape d'extraction d'une brosse rotative hors du carter de la tête de nettoyage.
  • Figure 3 est une en perspective, tronquée, de la tête de nettoyage de la figure 1 dans laquelle la brosse rotative a été déposée.
  • Figure 4 est une vue en perspective, tronquée, de la brosse rotative.
  • Figure 5 est une vue en perspective de dessous de la tête de nettoyage de la figure 1 dans laquelle la brosse rotative a été déposée.
  • Figure 6 est une vue éclatée, en perspective avant, d'un réducteur de vitesse appartenant à la tête de nettoyage de la figure 1.
  • Figure 7 est une vue éclatée, en perspective arrière, du réducteur de vitesse de la figure 6.
In any event, the invention will be clearly understood with the aid of the description which follows with reference to the appended schematic drawings showing, by way of non-limiting example, an embodiment of this cleaning head.
  • Figure 1 is a perspective view from below of a cleaning head according to the present invention.
  • Figure 2 is a perspective view from below of the cleaning head of the figure 1 showing a step of extracting a rotating brush from the cleaning head housing.
  • Figure 3 is a perspective view, cut away, of the cleaning head of the figure 1 in which the rotating brush has been deposited.
  • Figure 4 is a perspective view, cut away, of the rotating brush.
  • Figure 5 is a perspective view from below of the cleaning head of the figure 1 in which the rotating brush has been deposited.
  • Figure 6 is an exploded view, in front perspective, of a speed reducer belonging to the cleaning head of the figure 1 .
  • Figure 7 is an exploded view, in rear perspective, of the speed reducer of the figure 6 .

Description détailléedetailed description

Les figures 1 à 7 représentent une tête de nettoyage 2 pour aspirateur.The figures 1 to 7 represent a cleaning head 2 for a vacuum cleaner.

La tête de nettoyage 2 comprend un carter 3, par exemple en matière plastique, muni d'une surface inférieure 4 destinée à être située en regard d'un sol à nettoyer. Selon le mode de réalisation représenté sur les figures, la surface inférieure 4 comprend une partie avant 5 qui a une forme globalement rectangulaire, et une partie arrière 6 qui a une forme globalement triangulaire. Le carter 3 comporte en outre une chambre d'aspiration 7 comprenant une ouverture d'aspiration 8 débouchant dans la surface inférieure 4 du carter 3, et plus particulièrement dans la partie avant 5 de la surface inférieure 4. De façon avantageuse, l'ouverture d'aspiration 8 a une forme globalement rectangulaire et s'étend transversalement à une direction de déplacement de la tête de nettoyage 2.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. According to the embodiment shown in the figures, 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. Advantageously, the opening suction 8 has a generally rectangular shape and extends transversely to a direction of movement of the cleaning head 2.

La tête de nettoyage 2 comporte également une partie de montage 9 sur laquelle est destiné à être fixé un embout d'un tube d'aspiration (non illustré) d'un aspirateur, le tube d'aspiration pouvant être rigide ou flexible et étant lui-même raccordé à un système d'aspiration de l'aspirateur. Diverses variantes d'aspirateurs existent déjà sur le marché et pourront être utilisées avec la tête de nettoyage 2 selon l'invention ; ces variantes étant connues de l'homme du métier, elles ne sont pas détaillées dans la présente demande de brevet.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. Various variants of vacuum cleaners already exist on the market and can be used with the cleaning head 2 according to the invention; these variants being known to those skilled in the art, they are not detailed in the present patent application.

La tête de nettoyage 2 comporte de plus deux roues de déplacement 11 destinées à rouler sur la surface à nettoyer. Avantageusement, les roues de déplacement 11 sont disposées de chaque côté de la partie de montage 9.The cleaning head 2 further comprises two displacement wheels 11 intended to roll over the surface to be cleaned. Advantageously, the displacement wheels 11 are arranged on each side of the mounting part 9.

La tête de nettoyage 2 comporte en outre un conduit d'aspiration 12 comprenant une première extrémité débouchant dans une partie centrale de la chambre d'aspiration, et une deuxième extrémité destinée à être reliée fluidiquement au tube d'aspiration, par exemple par l'intermédiaire d'un conduit de liaison flexible.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.

La tête de nettoyage 2 comporte également une brosse rotative 13 montée amovible dans la chambre d'aspiration 7 et disposée en regard de l'ouverture d'aspiration 8. La brosse rotative 13 est configurée pour être extraite hors du carter 3 de la tête de nettoyage 2 selon une direction d'extraction D sensiblement parallèle à un axe longitudinal A de la brosse rotative 13.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.

Comme montré plus particulièrement sur la figure 4, la brosse rotative 13 comporte un corps de brosse 14 de forme globalement cylindrique. Le corps de brosse 14 comporte plus particulièrement une paroi périphérique tubulaire 15, et un logement interne 16 délimité extérieurement par la paroi périphérique tubulaire 15. Le corps de brosse 14 comporte une première extrémité 14.1 et une deuxième extrémité 14.2 opposée à la première extrémité 14.1, le logement interne 16 débouchant dans la deuxième extrémité 14.2 du corps de brosse 14. De façon avantageuse, les première et deuxième extrémités 14.1, 14.2 du corps de brosse 14 sont situées respectivement à proximité d'un premier bord latéral et d'un deuxième bord latéral du carter 3 de la tête de nettoyage 2.As shown more particularly on the figure 4 , 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. Advantageously, 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.

La brosse rotative 13 comporte en outre une partie de fixation 17 solidaire du corps de brosse 14 et obturant la première extrémité 14.1 du corps de brosse 14. La partie de fixation 17 est plus particulièrement configurée pour être fixée de manière amovible au carter 3 de la tête de nettoyage 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.

La brosse rotative 13 comporte également une pluralité de poils (non illustrés sur les figures) disposés sur une surface périphérique externe du corps de brosse 14.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.

Selon le mode de réalisation représenté sur les figures, le carter 3 comporte une ouverture latérale 18 débouchant dans la chambre d'aspiration 7 et à travers laquelle la brosse rotative 13 peut être extraite hors du carter 3. La partie de fixation 17 peut par exemple être équipée d'un système de fixation à baïonnette ou similaire configuré pour coopérer avec un système de fixation complémentaire prévu au niveau de l'ouverture latérale 18 du carter 3.According to the embodiment shown in the figures, 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.

La tête de nettoyage 2 comporte de plus un moteur d'entraînement 19 fixé au carter 3 de la tête de nettoyage 2, et s'étendant au moins partiellement dans le logement interne 16 du corps de brosse 14. Le moteur d'entraînement 19 comporte un arbre de sortie 20 s'étendant selon un axe de moteur coïncidant avec l'axe longitudinal A de la brosse rotative 13.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.

La tête de nettoyage 2 comporte également un réducteur de vitesse 21 couplé en rotation au moteur d'entraînement 19, de telle sorte que la brosse rotative 13 peut être entraînée en rotation par le moteur d'entraînement 19 par l'intermédiaire du réducteur de vitesse 21. Avantageusement, le réducteur de vitesse 21 est logé dans le logement interne 16 du corps de brosse 14, et est fixé à la brosse rotative 13 de telle sorte que le réducteur de vitesse 21 reste solidaire de la brosse rotative 13 lors de l'extraction de la brosse rotative 13 hors du carter 3 de la tête de nettoyage 2.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. Advantageously, 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.

Selon le mode de réalisation représenté sur les figures, le réducteur de vitesse 21 est logé dans une portion centrale du corps de brosse 14. A cet effet, le corps de brosse 14 comporte une paroi de support interne 22 qui s'étend transversalement à une direction d'extension du corps de brosse 14 et qui est située dans une zone centrale du corps de brosse 14, et le réducteur de vitesse 21 est fixé sur la paroi de support interne 22.According to the embodiment shown in the figures, the speed reducer 21 is housed in a central portion of the brush body 14. For this purpose, 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.

Comme montré plus particulièrement sur les figures 4 et 6, le réducteur de vitesse 21 comporte une portion d'accouplement 23 couplée en rotation à une pièce d'accouplement 30 emmanchée sur l'arbre de sortie 20 du moteur d'entraînement 19. De façon avantageuse, la portion d'accouplement 23 et la pièce d'accouplement 30 présentent des sections transversales non circulaires (et par exemple hexagonales) et complémentaires, et sont configurées pour autoriser un déplacement axial du réducteur de vitesse 21 par rapport au moteur d'entraînement 19 de manière à permettre un désaccouplement du réducteur de vitesse 21 et de l'arbre de sortie 20 lors de l'extraction de la brosse rotative 13 hors du carter 3. La portion d'accouplement 23 peut par exemple comporter une empreinte à six pans apte à recevoir la pièce d'accouplement 30.As shown more particularly on figures 4 and 6 , 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. Advantageously, 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.

Selon le mode de réalisation représenté sur les figures, le réducteur de vitesse 21 est un réducteur à train épicycloïdal. Ainsi, le réducteur de vitesse 21 comporte :

  • un planétaire interne 24 et un planétaire externe 25 coaxiaux, le planétaire interne 24 étant mobile en rotation autour d'un axe de rotation et étant solidaire en rotation de la portion d'accouplement 23, le planétaire externe 25 étant fixe par rapport à la brosse rotative 13, et
  • plusieurs satellites 26 montés mobiles en rotation sur un porte-satellite 27 et engrenant à la fois avec le planétaire interne 24 et avec le planétaire externe 25, le porte-satellite 27 étant monté fixe par rapport au carter 3, et en particulier par rapport à un carter de moteur 31 logeant le moteur d'entraînement 19.
According to the embodiment shown in the figures, the speed reducer 21 is a planetary gear reducer. Thus, the speed reducer 21 comprises:
  • an internal sun gear 24 and an external sun gear 25 coaxial, the internal sun gear 24 being movable in rotation about an axis of rotation and being integral in rotation with the coupling portion 23, the outer sun gear 25 being fixed relative to the brush rotary 13, and
  • several planet wheels 26 mounted so as to be able to rotate on a planet carrier 27 and meshing both with the internal sun gear 24 and with the outer sun gear 25, the planet gear carrier 27 being mounted fixed with respect to the housing 3, and in particular with respect to a motor housing 31 housing the drive motor 19.

Avantageusement, la portion d'accouplement 23 et le planétaire interne 24 sont monobloc, et le réducteur de vitesse 21 comporte un bâti 28 fixé sur la paroi de support interne 22 et sur lequel est ménagé le planétaire externe 25. Le planétaire externe 25 peut par exemple être formé par une couronne dentée intérieurement. Le bâti 28 peut éventuellement comprendre un doigt de fixation 29 s'étendant à travers un orifice de passage prévu sur la paroi de support interne 22. Avantageusement, le doigt de fixation 29 s'étend parallèlement à l'axe longitudinal A de la brosse rotative 13 et est désaxé par rapport à l'axe longitudinal A. Le bâti 28 est également avantageusement fixé sur la paroi de support interne 22 à l'aide de vis de fixation.Advantageously, 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. Advantageously, 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.

Un anneau élastique 32, également nommé circlip, est avantageusement prévu sur le planétaire interne 24 afin de maintenir le réducteur de vitesse 21 assemblé lors du retrait de la brosse rotative 13. L'anneau élastique 32 empêche, ou du moins limite, une translation du planétaire interne 24 par rapport au planétaire externe 25An 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

Selon le mode de réalisation représenté sur les figures, la brosse rotative 13 comporte également un palier 33, tel qu'un palier à roulement et notamment un palier à roulement à billes, interposé entre la partie de fixation 17 et une bague de support 34 située à l'intérieur du corps de brosse 14 et fixée à une portion d'extrémité du corps de brosse 14 qui est située à l'opposé du moteur d'entraînement 19. La présence du palier 33 permet de ne pas entraîner en rotation la partie de fixation 17 lorsque le corps de brosse 14 est entraîné en rotation par le moteur d'entraînement 19. De façon avantageuse, un élément d'amortissement 35 est interposé entre la partie de fixation 17 et le palier 33. A cet effet, la partie de fixation 17 peut comprendre un logement de réception dans lequel est monté l'élément d'amortissement 35, le palier 33 étant disposé entre une surface interne de l'élément d'amortissement 35 et une portion centrale de la bague de support 34.According to the embodiment shown in the figures, 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. The presence of the 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. Advantageously, a damping element 35 is interposed between the fixing part 17 and the bearing 33. For this purpose, 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.

Avantageusement, la tête de nettoyage 2 est dépourvue d'un quelconque palier apte à coopérer avec la deuxième extrémité 14.2 du corps de brosse 14 qui est située du côté du moteur d'entraînement 19.Advantageously, 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.

Bien entendu, la présente invention n'est nullement limitée au mode de réalisation décrit et illustré qui n'a été donné qu'à titre d'exemple. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the present invention is in no way limited to the embodiment described and illustrated which has been given only by way of example. Modifications remain possible, in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without thereby departing from the scope of protection of the invention.

Claims (11)

  1. Cleaning head (2) for vacuum cleaner, comprising a casing (3), a drive motor (19), a speed reducer (21) coupled in rotation with the drive motor (19), and a rotary brush (13) configured to be rotated by the drive motor (19) by way of the speed reducer (21), the rotary brush (13) being removably mounted in the casing (3) of the cleaning head, characterised in that the speed reducer (21) is housed in the rotary brush (13) and is fixed to the rotary brush (13) such that the speed reducer (21) remains integral with the rotary brush (13) during the extraction of the rotary brush (13) outside of the casing (3) of the cleaning head (2).
  2. Cleaning head (2) according to claim 1, wherein the drive motor (19) is fixed to the casing (3) of the cleaning head (2).
  3. Cleaning head (2) according to claim 1 or 2, wherein the drive motor (19) extends at least partially in the rotary brush (13).
  4. Cleaning head (2) according to any one of claims 1 to 3, wherein the rotary brush (13) comprises a brush body (14) comprising an inner housing (16), where the speed reducer (21) is housed.
  5. Cleaning head (2) according to claim 4, wherein the brush body (14) comprises an inner support wall (22) extending transversally to an extension direction of the brush body (14), the speed reducer (21) being fixed onto the inner support wall (22).
  6. Cleaning head (2) according to any one of claims 1 to 5, wherein the casing (3) of the cleaning head comprises a lower surface (4) intended to be located facing a ground to be cleaned, and a suctioning chamber (7) comprising a suctioning opening (8) opening into the lower surface (4) of the casing (3), the rotary brush (13) being removably mounted in the suctioning chamber (7).
  7. Cleaning head (2) according to claim 6, wherein the casing (3) comprises a side opening (18) opening into the suctioning chamber (7) and through which the rotary brush (13) can be extracted outside of the casing (3).
  8. Cleaning head (2) according to any one of claims 1 to 7, wherein the speed reducer (21) comprises a coupling portion (23) coupled in rotation to an output shaft (20) of the drive motor (19).
  9. Cleaning head (2) according to any one of claims 1 to 8, wherein the speed reducer (21) is an epicyclic gearing reducer.
  10. Cleaning head (2) according to any one of claims 1 to 9, wherein the drive motor (19) and the speed reducer (21) are distinct and separate from one another.
  11. Domestic vacuum cleaner comprising a cleaning head (2) according to any one of the preceding claims.
EP19185945.3A 2018-08-03 2019-07-12 Cleaning head provided with a rotary brush Active EP3603473B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1857312A FR3084574B1 (en) 2018-08-03 2018-08-03 CLEANING HEAD EQUIPPED WITH A ROTARY BRUSH

Publications (2)

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

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EP19185945.3A Active EP3603473B1 (en) 2018-08-03 2019-07-12 Cleaning head provided with a rotary brush

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EP (1) EP3603473B1 (en)
CN (2) CN210727648U (en)
ES (1) ES2875398T3 (en)
FR (1) FR3084574B1 (en)

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FR3109515B1 (en) * 2020-04-23 2022-05-06 Seb Sa Suction head cleaning unit
FR3109514B1 (en) * 2020-04-23 2022-04-29 Seb Sa Suction head cleaning unit
FR3109517B1 (en) * 2020-04-23 2023-05-12 Seb Sa Rotating brush for suction head
CN111775894B (en) * 2020-07-20 2021-09-14 叶智博 Indoor cleaning device of new energy automobile
JP7450186B2 (en) * 2020-12-07 2024-03-15 パナソニックＩｐマネジメント株式会社 suction tool
FR3138289B1 (en) * 2022-07-29 2025-10-24 Seb Sa Suction head including a soleplate equipped with a curved front gliding surface
GB2622025B (en) * 2022-08-31 2025-02-19 Dyson Technology Ltd Drive system for a floor cleaner
CN115778247B (en) * 2022-11-15 2026-02-03 添可智能科技有限公司 Cleaning equipment and drive unit

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KR100384980B1 (en) * 1998-04-03 2003-06-02 마츠시타 덴끼 산교 가부시키가이샤 Rotational brush device and electric instrument using same
JP2001346729A (en) * 2000-06-09 2001-12-18 Matsushita Electric Ind Co Ltd Vacuum cleaner suction device and vacuum cleaner
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
GB2499213B (en) * 2012-02-08 2016-10-19 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
GB2529819B (en) * 2014-09-02 2017-06-14 Dyson Technology Ltd Cleaner head

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Also Published As

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

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