EP3443863B1 - Brosse pour appareil autonome de nettoyage du sol - Google Patents

Brosse pour appareil autonome de nettoyage du sol Download PDF

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Publication number
EP3443863B1
EP3443863B1 EP18183925.9A EP18183925A EP3443863B1 EP 3443863 B1 EP3443863 B1 EP 3443863B1 EP 18183925 A EP18183925 A EP 18183925A EP 3443863 B1 EP3443863 B1 EP 3443863B1
Authority
EP
European Patent Office
Prior art keywords
brush
arm
brush arm
self
cleaning
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
EP18183925.9A
Other languages
German (de)
English (en)
Other versions
EP3443863A1 (fr
Inventor
Carina Maoro
Martin Baric
Tobias SOMMER
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP3443863A1 publication Critical patent/EP3443863A1/fr
Application granted granted Critical
Publication of EP3443863B1 publication Critical patent/EP3443863B1/fr
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
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0472—Discs
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/008—Disc-shaped brush bodies
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/08—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping
    • A46B3/10—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping into rings or the like
    • A46B3/14—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping into rings or the like specially adapted for street-cleaning or rail-cleaning brooms
    • 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
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/066—Nozzles with fixed, e.g. adjustably fixed brushes or the like with adjustably mounted brushes, combs, lips or pads; Height adjustment of nozzle or dust loosening tools
    • 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
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation

Definitions

  • the invention relates to a brush for a self-propelled soil cultivation device, with a brush core on which a brush arm is arranged, a cleaning element being arranged in the brush arm.
  • Brushes for self-propelled soil cultivation devices with a brush core on which several brush arms including a cleaning element are arranged are known from the prior art.
  • the brush arms extend largely rigidly from the brush core in the direction of the floor surface to be cleaned. Only the cleaning elements, which are arranged on the brush arms and which are in direct contact with the floor surface to be cleaned, are movable due to their flexibility.
  • the function of the brush arms is to limit the flexibility of the cleaning elements in order to prevent the cleaning elements from becoming knotted, for example on high-pile carpets.
  • a maximum of three brush arms are arranged on the known brushes. This limitation is necessary to ensure that a self-propelled soil cultivation device with such brushes can safely drive over obstacles such as cables or deep-pile carpets.
  • the problem here, however, is that the known brushes do not have sufficient cleaning performance due to the small number of brush arms. As a result, corner and wall areas are only insufficiently cleaned by a self-propelled soil cultivation device with the known brushes.
  • Brushes for self-propelled soil cultivation devices which have a brush core on which several brush arms including a cleaning element are arranged.
  • the brush arms are designed in such a way that vertical mobility of the brush arm in relation to the floor surface to be treated is made possible during the cleaning operation of the self-propelled floor treatment device.
  • the problem here is that the vertical mobility of the known brush arms is not sufficient to be able to safely drive over obstacles such as cables, door sills or high-pile carpets.
  • the invention thus has the problem of making available an improved brush for self-propelled soil cultivation devices which achieves improved results, in particular with regard to the cleaning performance and the drive-over property. According to the invention, this problem is solved by a device having the features of claim 1. Advantageous refinements and developments of the invention emerge from the subclaims.
  • the brush arm is designed in such a way that vertical mobility of the brush arm in relation to the floor surface to be treated is made possible during the cleaning operation of the self-propelled floor treatment device.
  • the vertical mobility of the brush arm enables the distance between the brush arm and the floor surfaces to be processed to be increased and decreased in the cleaning mode.
  • the brush arm can move away from or approach the floor surface to be processed by a vertical movement.
  • the vertical movement of the brush arm is initiated by objects which are located on the floor surface to be processed and which come into contact with the brush. If the self-propelled soil cultivation device runs over such an object with the brush, a moment of force is transmitted to the brush arm via the cleaning element.
  • the brush arm is deflected vertically, so that the vertical distance between the brush arm and the floor surface to be processed increases.
  • the brush arm moves in the opposite direction to its starting position.
  • the vertical movement of the brush arm is greater at the end of the brush arm where the cleaning element is arranged on the brush arm.
  • the vertical mobility of the brush arms on the brush improve its drive-over properties. That is to say, a self-propelled soil cultivation device with a brush according to the invention is able to drive over objects which are located on the ground surface to be processed without interference.
  • the improved drive-over properties of the brush enable additional brush arms to be arranged on the brush. In this way, the cleaning performance of the brush can be increased without increasing the risk of the self-propelled soil cultivation device getting stuck.
  • the brush arm is designed in such a way that, in addition, horizontal mobility of the brush arm in relation to the floor surface to be treated is made possible during the cleaning operation of the self-propelled floor treatment device.
  • the brush arms can move horizontally in addition to a vertical movement.
  • the vertical mobility of the brush arms is much more pronounced than their horizontal mobility.
  • a horizontal movement of a brush arm is initiated by objects which are located on the surface to be treated and which come into contact with the brush.
  • horizontal and vertical movement components can overlap.
  • isolated vertical or isolated horizontal movements of a brush arm can also occur.
  • the horizontal movement of the brush arm is at the end of the Brush arm larger on which the cleaning element is arranged on the brush arm.
  • Each brush arm which is arranged on a brush according to the invention is movable independently of the other brush arms on the brush.
  • the horizontal mobility of the brush arms prevents the brush from tilting during cleaning.
  • the cleaning of particularly angled room geometries is improved by the self-propelled soil cultivation device.
  • the brush arm has at least one notch.
  • the notches cause a partial reduction in the strength of the brush arms. In other words, the flexibility of the brush arms is increased in one direction of movement.
  • the notches are arranged in the brush arm in such a way that, as a result of the reduced strength, the mobility of the brush arms, in particular in the vertical direction, is improved.
  • the notches allow an improved vertical mobility of the brush arms during the cleaning operation of the brush.
  • the notch is arranged on the side of the brush arm which faces away from the floor surface to be processed during the cleaning operation.
  • the notch is arranged on the side of the brush arm which faces the floor surface to be processed during the cleaning operation.
  • the notches on the top and bottom of the brush arm are offset from one another. This means that the notches on the top and bottom of the brush arm are not arranged directly one above the other, but are offset from one another.
  • the notches on the brush arm are arranged approximately parallel to one another. In one embodiment, the notches on the brush arm have different lengths.
  • the brush arm has a first section which is arranged on the brush core and a second section which is suitable for receiving a cleaning element, the first section having a smaller circumference than the second section.
  • the circumference of the first section of the brush arm is reduced by an incision, the incision being arranged on the side of the brush arm which is arranged opposite to the direction of rotation of the brush in the cleaning mode.
  • the mobility of the brush arm thus results primarily from the mobility of the first section.
  • the arrangement of the incision on the side of the brush arm which is opposite to the direction of rotation of the brush in the cleaning mode increases the horizontal Mobility of the brush arm opposite to the direction of rotation of the brush. This horizontal mobility of the brush arms prevents the brush from turning tight on obstacles which are located on a floor surface to be worked.
  • the notches are arranged on the first section of the brush arm.
  • the notches are thus arranged on the section of the brush arm which has increased flexibility as a result of a smaller circumference.
  • the notches cause an additional increase in the flexibility of this first section.
  • the brush core consists of a dimensionally stable plastic and the brush arm consists of an elastic plastic.
  • the brush core can preferably be produced from a thermoplastic material and the brush arm from an elastomeric material.
  • the production of a brush according to the invention consisting of a brush core and a brush arm in the course of a two-component injection molding process is preferred.
  • the manufacture of the brush arm from an elastic plastic ensures sufficient mobility of the brush arm in both the horizontal and vertical directions.
  • the inherent flexibility of an elastic plastic also ensures that the brush arm automatically moves back into its starting position after being deflected by an obstacle from the floor surface to be processed.
  • the manufacture of the brush core from a dimensionally stable plastic ensures the necessary basic stability of the brush and a loss-free transmission of the torque to the brush arms.
  • the cleaning element is a tuft of filaments.
  • a filament tuft describes the bundling of several fibers into a fiber bundle.
  • the arrangement of other cleaning elements, for example made of textile elements, is also conceivable.
  • the function of the filament tufts is to mobilize dust and dirt particles as completely as possible from the soil surface to be worked and to transport them in the direction of the suction mouth of the self-propelled soil cultivation device.
  • FIG Figure 1 shows the perspective view of a self-propelled soil cultivation device 12 with two brushes 10 according to the invention.
  • the self-propelled soil cultivation device 12 has a housing 36 on the underside of which wheels 38 are arranged, with which the self-propelled soil cultivation device 12 moves autonomously over surfaces to be worked.
  • On the underside of the housing 36 (not shown in FIG Figure 1 ) a suction mouth is arranged with which the self-propelled soil cultivation device 12 picks up dust and dirt particles from the floor surface to be cleaned.
  • Two brushes 10 according to the invention are arranged on the front of the housing 36 of the self-propelled soil cultivation device 12. The brushes 10 are arranged in relation to the main direction of travel of the self-propelled soil cultivation device 12 in front of its suction mouth.
  • the brushes 10 protrude beyond the outline of the housing 36 of the self-propelled soil cultivation device 12 and thereby capture dust and dirt particles in particular in the edge and corner areas of the floor surface to be cleaned.
  • the dust and dirt particles captured by the brushes 10 are swept in the direction of the suction mouth below the housing 36 of the self-propelled soil cultivation device 12 and then sucked in. This enables the cleaning of surface areas which, due to the surface geometry, cannot be driven over directly by the self-propelled soil cultivation device 12.
  • FIG. 2 14 shows the perspective illustration of a brush 10.
  • the brush core 14 of the brush 10 is arranged in the center and has coupling elements 40 with which the brush 10 can be connected to a brush holder of a self-propelled soil cultivation device 12.
  • a torque is transmitted from the brush holder of the self-propelled soil cultivation device 12 to the brush core 14 via the coupling elements 40 of the brush core 14.
  • the direction of rotation 42 of the brush 10 in the cleaning mode is shown by a movement arrow.
  • Several brush arms 16 extend radially outward from the brush core 14. These brush arms 16 have a first and a second section 26, 28.
  • the first section 26 is arranged on the brush core 14.
  • the first section 26 of the brush arm 16 has a smaller circumference than the second section 28 of the brush arm 16.
  • the smaller circumference of the first section 26 results from an incision 30 on the longitudinal side of the brush arm 16, which is opposite to the Direction of rotation 42 of the brush 10 is arranged.
  • the incision 30 brings about increased flexibility of the brush arm 16
  • notches 20 are arranged on the upper side of the first section 26 of the brush arm 16.
  • the top 22 is the side of the brush arm 16 which faces away from the surface to be processed in the cleaning mode.
  • the notches 20 on the brush arm 16 have different lengths, but are arranged approximately parallel to one another.
  • filament tufts are arranged in receptacles 44. These tufts of filaments are made up of individual fibers and are in contact with the floor covering to be processed during the cleaning operation.
  • the filament tufts of the brush 10 have different lengths.
  • the brush arms 16 of the brush 10 have largely identical dimensions with regard to their geometrical characteristics.
  • Figure 3 6 shows the side view of a brush 10.
  • Six brush arms 16 are arranged circumferentially on the brush core 14 and extend outward from the brush core 14.
  • Filament tufts 34 are arranged in the brush arms 16, the filament tufts 34 having different lengths.
  • Three filament tufts 34 have a first length and three filament tufts 34 have a second length, the first length being significantly shorter than the second length.
  • the six filament tufts 34 with first and second lengths are arranged on the brush core 14 in an alternating order.
  • Figure 4 shows the perspective view of a brush arm 16.
  • the first section 26 of the brush arm 16 is arranged with one end on the brush core 14. At the opposite end of the first section 26, this merges into the second section 28 of the brush arm 16. In the course of this transition between the first and second section, the brush arm 16 thickens.
  • a receptacle 44 for a filament tuft 34 is arranged.
  • notches 20 are arranged on its top and bottom.
  • the notches 20 on the top and bottom 22, 24 are arranged offset to one another and bring about an increase in the flexibility of the brush arm

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)

Claims (12)

  1. Brosse (10) pour un appareil de traitement du sol automoteur (12), comportant un noyau de brosse (14) sur lequel est disposé un bras de brosse (16), un élément de nettoyage (18) étant disposé dans le bras de brosse (16),
    le bras de brosse (16) étant conçu de telle sorte qu'une mobilité verticale du bras de brosse (16) par rapport à la surface de sol à traiter est rendue possible pendant le fonctionnement de nettoyage de l'appareil de traitement du sol automoteur (12), caractérisée en ce que le bras de brosse (16) présente au moins une rainure (20).
  2. Brosse (10) selon la revendication 1,
    caractérisée en ce
    que le bras de brosse (16) est conçu de telle sorte que la mobilité horizontale du bras de brosse (16) par rapport à la surface de sol à traiter est en outre rendue possible pendant le fonctionnement de nettoyage de l'appareil de traitement du sol automoteur (12).
  3. Brosse (10) selon l'une des revendications précédentes,
    caractérisée en ce
    que la rainure (20) est disposée sur le côté (22) du bras de brosse (16) qui est opposé à la surface de sol à traiter pendant le fonctionnement de nettoyage.
  4. Brosse (10) selon l'une des revendications précédentes,
    caractérisée en ce
    que la rainure (20) est disposée sur le côté (24) du bras de brosse (16) qui fait face à la surface de sol à traiter pendant le fonctionnement de nettoyage.
  5. Brosse (10) selon l'une des revendications précédentes,
    caractérisée en ce
    que les rainures (20) sur le bras de brosse (16) sont disposées approximativement parallèlement les unes aux autres.
  6. Brosse (10) selon l'une des revendications précédentes,
    caractérisée en ce
    que les rainures (20) sur le bras de brosse (16) présentent des longueurs différentes.
  7. Brosse (10) selon l'une des revendications précédentes,
    caractérisée en ce
    que le bras de brosse (16) présente une première section (26) qui est disposée sur le noyau de brosse (14) et une seconde section (28) qui est adaptée pour recevoir un élément de nettoyage (18), la première section (26) présentant une circonférence (28) plus petite que la seconde section.
  8. Brosse (10) selon l'une des revendications précédentes,
    caractérisée en ce
    que les rainures (20) sont disposées sur la première section (26) du bras de brosse (16).
  9. Brosse (10) selon l'une des revendications précédentes,
    caractérisée en ce
    que la première section (26) du bras de brosse (16) présente une encoche (30), l'encoche (30) étant disposée sur le côté (32) du bras de brosse (16) qui est disposé opposé au sens de rotation de la brosse (10) pendant le fonctionnement de nettoyage.
  10. Brosse (10) selon l'une des revendications précédentes,
    caractérisée en ce
    que le noyau de brosse (14) est constitué d'une matière plastique indéformable et le bras de brosse (16) est constitué d'une matière plastique élastique.
  11. Brosse (10) selon l'une des revendications précédentes,
    caractérisée en ce
    que l'élément de nettoyage (18) est une touffe de filaments (34).
  12. Appareil de traitement du sol automoteur (12) comportant une brosse (10) selon l'une des revendications précédentes.
EP18183925.9A 2017-08-15 2018-07-17 Brosse pour appareil autonome de nettoyage du sol Active EP3443863B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017118541.0A DE102017118541A1 (de) 2017-08-15 2017-08-15 Bürste für ein selbstfahrendes Bodenbearbeitungsgerät

Publications (2)

Publication Number Publication Date
EP3443863A1 EP3443863A1 (fr) 2019-02-20
EP3443863B1 true EP3443863B1 (fr) 2021-10-13

Family

ID=62981078

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18183925.9A Active EP3443863B1 (fr) 2017-08-15 2018-07-17 Brosse pour appareil autonome de nettoyage du sol

Country Status (2)

Country Link
EP (1) EP3443863B1 (fr)
DE (1) DE102017118541A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4260757A1 (fr) 2022-04-14 2023-10-18 Vorwerk & Co. Interholding GmbH Appareil de nettoyage, brosse de balayage pour un appareil de nettoyage et procédé de fonctionnement d'un appareil de nettoyage
EP4260782A1 (fr) 2022-04-14 2023-10-18 Vorwerk & Co. Interholding GmbH Appareil de nettoyage et brosse de balayage pour un appareil de nettoyage
EP4260756A1 (fr) 2022-04-14 2023-10-18 Vorwerk & Co. Interholding GmbH Appareil de nettoyage, brosse de balayage pour un appareil de nettoyage et procédé de fonctionnement d'un appareil de nettoyage
EP4260758A1 (fr) 2022-04-14 2023-10-18 Vorwerk & Co. Interholding GmbH Appareil de nettoyage et brosse de balayage pour un appareil de nettoyage
DE102024206113A1 (de) * 2024-06-28 2025-12-31 BSH Hausgeräte GmbH Reinigungsbürste für einen Reinigungsroboter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016182300A (ja) * 2015-03-26 2016-10-20 東芝ライフスタイル株式会社 電気掃除機

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1323734C (fr) * 1987-06-26 1993-11-02 Gerald R. Abrahamson Brosse rotative a elements amovibles
GB8807673D0 (en) * 1988-03-31 1988-05-05 Lingner & Fischer Gmbh Novel article
DE102004006350A1 (de) * 2004-02-10 2005-08-25 Vorwerk & Co. Interholding Gmbh Bodendüse für einen Staubsauger
US10264935B2 (en) * 2013-09-12 2019-04-23 Lg Electronics Inc. Automatic cleaner
JP6267515B2 (ja) * 2013-10-04 2018-01-24 株式会社コーワ 掃除機用サイドブラシ及び自走式掃除機
JP6247521B2 (ja) * 2013-12-13 2017-12-13 東芝ライフスタイル株式会社 電気掃除機
DE102014116998A1 (de) * 2014-11-20 2016-05-25 Miele & Cie. Kg Seitenbürste für einen Saugroboter und Saugroboter mit einer Seitenbürste

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016182300A (ja) * 2015-03-26 2016-10-20 東芝ライフスタイル株式会社 電気掃除機

Also Published As

Publication number Publication date
DE102017118541A1 (de) 2019-02-21
EP3443863A1 (fr) 2019-02-20

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