EP3443863A1 - Brosse pour appareil autonome de nettoyage du sol - Google Patents

Brosse pour appareil autonome de nettoyage du sol Download PDF

Info

Publication number
EP3443863A1
EP3443863A1 EP18183925.9A EP18183925A EP3443863A1 EP 3443863 A1 EP3443863 A1 EP 3443863A1 EP 18183925 A EP18183925 A EP 18183925A EP 3443863 A1 EP3443863 A1 EP 3443863A1
Authority
EP
European Patent Office
Prior art keywords
brush
arm
brush arm
self
cleaning operation
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.)
Granted
Application number
EP18183925.9A
Other languages
German (de)
English (en)
Other versions
EP3443863B1 (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, wherein a cleaning element is arranged in the brush arm.
  • Brushes for self-propelled cultivators with a brush core on which a plurality of 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 knotting of the cleaning elements, for example on deep-pile carpets.
  • the invention thus raises the problem of providing an improved brush for self-propelled tillage equipment, which achieves improved results, in particular with regard to the cleaning performance and the overdrying property. According to the invention, this problem is solved by a device having the features of patent claim 1. Advantageous embodiments and modifications of the invention will become apparent from the dependent claims.
  • the brush arm is designed so that a vertical mobility of the brush arm is made possible with respect to the surface to be processed in the cleaning operation of the self-propelled soil cultivation implement.
  • the vertical mobility of the brush arm allows in cleaning operation to increase and decrease the distance between the brush arm and the floor surfaces to be processed.
  • the brush arm in the cleaning operation by a vertical movement of the surface to be processed to remove or approach.
  • the vertical movement of the brush arm is initiated by objects which are located on the one to be processed Floor surface and come into contact with the brush. If the self-propelled soil cultivation device moves 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 increases the vertical distance between the brush arm and the floor surface to be machined.
  • an opposite movement of the brush arm takes place in its starting position.
  • the vertical movement of the brush arm is greater at the end of the brush arm on which the cleaning element is located on the brush arm.
  • the vertical mobility of the brush arms on the brush improve their over-ride characteristics. That is, a self-propelled tillage implement with a brush according to the invention is able to run over objects that are located on the ground surface to be processed trouble-free.
  • the improved ride-over properties of the brush allow the arrangement of additional brush arms on the brush. In this way, the cleaning performance of the brush can be increased without increasing the risk of stalling the self-propelled tillage implement.
  • the brush arm is designed so that in addition a horizontal mobility of the brush arm is made possible with respect to the floor surface to be processed in the cleaning operation of the self-propelled tillage implement.
  • the brush arms can perform a horizontal movement 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 processed and come into contact with the brush.
  • horizontal and vertical motion components can overlap. But it can also come to isolated vertical or isolated horizontal movements of a brush arm.
  • the horizontal movement of the brush arm is greater at the end of the brush arm on which the cleaning element is located 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 tilting of the brush in the cleaning operation. In addition, this improves the cleaning of particularly angular room geometries by the self-propelled tillage implement.
  • the brush arm has at least one notch.
  • the indentations 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 indentations are arranged in the brush arm, that improves the mobility of the brush arms, in particular in the vertical direction as a result of the reduced strength.
  • the notches allow for improved vertical mobility of the brush arms in the cleaning operation of the brush.
  • the notch is arranged on the side of the brush arm which, in the cleaning operation, faces away from the bottom surface to be processed.
  • the notch is arranged on the side of the brush arm, which faces in the cleaning operation of the floor surface to be processed.
  • the notches on the top and bottom of the brush arm are offset from one another. That is, the notches on the top and bottom of the brush arm are not arranged directly above each other, but have an offset to each other.
  • the notches on the brush arm are arranged approximately parallel to each other. In one embodiment, the notches on the brush arm have different lengths.
  • the brush arm has a first portion, which is arranged on the brush core, and has a second portion which is suitable for receiving a cleaning element, wherein the first portion has a smaller circumference than the second portion.
  • the circumference of the first portion of the brush arm is reduced by an incision, wherein the incision is disposed on the side of the brush arm, which is arranged opposite to the direction of rotation of the brush in the cleaning operation. Due to the reduced circumference of the first portion of the brush arm, its flexibility increases with respect to vertical and horizontal mobility. Thus, the mobility of the brush arm results primarily from a 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 operation, 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 sticking to obstacles that are located on a floor to be worked on.
  • the indentations are arranged on the first section of the brush arm.
  • the indentations are arranged on the portion of the brush arm which has increased flexibility as a result of a smaller circumference.
  • the indentations provide an additional increase in the flexibility of this first section.
  • the brush core consists of a dimensionally stable plastic and the brush arm is made of an elastic plastic.
  • the brush core can preferably be produced from a thermoplastic material and the brush arm from an elastomeric material. Preference is given to the production of a brush according to the invention consisting of brush core and brush arm in the course of a two-component injection molding process.
  • the production of the brush arm made of an elastic plastic ensures sufficient mobility of the brush arm in both horizontal and vertical directions.
  • the inherent flexibility of an elastic plastic also ensures that the brush arm automatically moves back to its original position after being deflected by an obstacle from the ground surface to be processed.
  • the production of the brush core made of a dimensionally stable plastic ensures the required basic stability of the brush and a lossless transmission of torque to the brush arms.
  • the cleaning element is a filament tuft.
  • a filament tuft designates the bundling of several fibers into a fiber bundle.
  • Function of the filament tufts is the most complete mobilization of dust and dirt particles from the ground surface to be processed and their transport in the direction of the suction mouth of the self-propelled tillage implement.
  • FIG. 1 shows the perspective view of a self-propelled tillage implement 12 with two brushes 10 according to the invention.
  • the self-propelled harrow 12 has a housing 36 on the underside of wheels 38 are arranged with which the self-propelled soil cultivation device 12 moves autonomously over surfaces to be processed.
  • On the underside of the housing 36 (not shown in FIG FIG. 1 ) is arranged a suction mouth, with which the self-propelled soil cultivation device 12 receives dust and dirt particles from the floor surface to be cleaned.
  • two brushes 10 according to the invention are arranged at the front of the housing 36 of the self-propelled soil cultivation device 12.
  • the brushes 10 are arranged in front of the suction mouth with respect to the main driving direction of the self-propelled cultivator 12.
  • the brushes 10 project beyond the floor plan 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 regions of the floor surface to be cleaned.
  • the dust and dirt particles detected 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 makes it possible to clean surface areas which, because of the surface geometry, can not be overrun by the self-propelled soil cultivation device 12 directly.
  • FIG. 2 shows the perspective view of a brush 10. Centered is the brush core 14 of the brush 10, which has coupling elements 40, with which the brush 10 with a brush holder of a self-propelled soil cultivation device 12 is connectable. Via the coupling elements 40 of the brush core 14, a torque is transmitted from the brush holder of the self-propelled soil cultivation device 12 to the brush core 14. The direction of rotation 42 of the brush 10 in the cleaning operation is shown by a movement arrow. From the brush core 14 extending radially outwardly a plurality of brush arms 16. In this case, these brush arms 16 have a first and a second portion 26, 28. In this case, the first portion 26 is arranged on the brush core 14.
  • the first portion 26 of the brush arm 16 has a smaller circumference than the second portion 28 of the brush arm 16.
  • the smaller circumference of the first section 26 results from a cut 30 on the longitudinal side of the brush arm 16, which is arranged opposite to the direction of rotation 42 of the brush 10.
  • the incision 30 causes increased flexibility of the brush arm 16 in the region of the first section 26.
  • the top of the first portion 26 of the brush arm 16 four notches 20 are arranged.
  • the top 22 is the side of the brush arm 16, which faces away from the surface to be machined in the cleaning operation.
  • the notches 20 on the brush arm 16 have different lengths, but are arranged approximately parallel to each other.
  • filament tufts 18 are arranged in receptacles 44. These filament tufts 18 are composed of individual fibers and are in the cleaning operation in engagement with the working flooring.
  • the filament tufts 18 of the brush 10 have different lengths.
  • the brush arms 16 of the brush 10 have largely identical dimensions with respect to their geometric shape.
  • FIG. 3 shows the side view of a brush 10.
  • the brush core 14 circumferentially six brush arms 16 are arranged, which extend from the brush core 14 to the outside.
  • filament tufts 34 are arranged, wherein the filament tufts 34 have 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 of first and second lengths are arranged in alternating sequence on the brush core 14.
  • FIG. 4 shows the perspective view of a brush arm 16.
  • the first portion 26 of the brush arm 16 is arranged at one end on the brush core 14. At the opposite end of the first portion 26, this merges into the second portion 28 of the brush arm 16. In the course of this transition between the first and second sections, the brush arm 16 thickens. At the free end of the second section 28, a receptacle 44 for a filament tuft 34 is arranged.
  • In the first portion 26 of the brush arm 16 notches 20 are arranged on the top and bottom. The notches 20 on top and bottom 22, 24 are offset from each other and cause 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)
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 true EP3443863A1 (fr) 2019-02-20
EP3443863B1 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)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP4260782A1 (fr) 2022-04-14 2023-10-18 Vorwerk & Co. Interholding GmbH Appareil de nettoyage et brosse de balayage pour 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
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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102024206113A1 (de) * 2024-06-28 2025-12-31 BSH Hausgeräte GmbH Reinigungsbürste für einen Reinigungsroboter

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0299636A1 (fr) * 1987-06-26 1989-01-18 Minnesota Mining And Manufacturing Company Brosses rotatives avec porte-brosses interchangeable
DE8903911U1 (de) * 1988-03-31 1989-05-11 Beecham Group p.l.c., Brentford, Middlesex Zahnbürste
WO2005074779A1 (fr) * 2004-02-10 2005-08-18 Vorwerk & Co. Interholding Gmbh Buse de sol pour aspirateur
JP2015091290A (ja) * 2013-10-04 2015-05-14 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
JP2015112424A (ja) * 2013-12-13 2015-06-22 株式会社東芝 電気掃除機
EP3023032A1 (fr) * 2014-11-20 2016-05-25 Miele & Cie. KG Brosse laterale pour un robot aspirateur et robot aspirateur comprenant une brosse laterale
EP3045098A1 (fr) * 2013-09-12 2016-07-20 LG Electronics Inc. Dispositif de nettoyage automatique
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0299636A1 (fr) * 1987-06-26 1989-01-18 Minnesota Mining And Manufacturing Company Brosses rotatives avec porte-brosses interchangeable
DE8903911U1 (de) * 1988-03-31 1989-05-11 Beecham Group p.l.c., Brentford, Middlesex Zahnbürste
WO2005074779A1 (fr) * 2004-02-10 2005-08-18 Vorwerk & Co. Interholding Gmbh Buse de sol pour aspirateur
EP3045098A1 (fr) * 2013-09-12 2016-07-20 LG Electronics Inc. Dispositif de nettoyage automatique
JP2015091290A (ja) * 2013-10-04 2015-05-14 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
JP2015112424A (ja) * 2013-12-13 2015-06-22 株式会社東芝 電気掃除機
EP3023032A1 (fr) * 2014-11-20 2016-05-25 Miele & Cie. KG Brosse laterale pour un robot aspirateur et robot aspirateur comprenant une brosse laterale
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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP4260782A1 (fr) 2022-04-14 2023-10-18 Vorwerk & Co. Interholding GmbH Appareil de nettoyage et brosse de balayage pour 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
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

Also Published As

Publication number Publication date
DE102017118541A1 (de) 2019-02-21
EP3443863B1 (fr) 2021-10-13

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