EP3106566B1 - Systeme d'aspiration pour une machine de nettoyage de sol - Google Patents

Systeme d'aspiration pour une machine de nettoyage de sol Download PDF

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Publication number
EP3106566B1
EP3106566B1 EP15172756.7A EP15172756A EP3106566B1 EP 3106566 B1 EP3106566 B1 EP 3106566B1 EP 15172756 A EP15172756 A EP 15172756A EP 3106566 B1 EP3106566 B1 EP 3106566B1
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EP
European Patent Office
Prior art keywords
middle section
cleaned
arms
cleaning machine
suction base
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
EP15172756.7A
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German (de)
English (en)
Other versions
EP3106566A1 (fr
Inventor
Bertram Ulrich
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.)
Hako GmbH
Original Assignee
Hako GmbH
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Filing date
Publication date
Application filed by Hako GmbH filed Critical Hako GmbH
Priority to EP15172756.7A priority Critical patent/EP3106566B1/fr
Publication of EP3106566A1 publication Critical patent/EP3106566A1/fr
Application granted granted Critical
Publication of EP3106566B1 publication Critical patent/EP3106566B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/10—Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus ; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud
    • E01H1/101—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers
    • E01H1/103—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers in which the soiled loosening or washing liquid is removed, e.g. by suction
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees

Definitions

  • the present invention relates to a squeegee assembly for a floor cleaning machine for siphoning liquid from a floor surface to be cleaned with a central body having a central portion and first and second arms, the middle portion being adapted to be supported on a coupling member of the floor cleaning machine such the central portion is fixedly aligned with the coupling element, the arms extending away from the central portion on opposite sides in a suction foot plane, central sealing lips being disposed at the central portion between the arms, lateral sealing lips being attached to the arms on both sides of their extension direction , wherein the sealing lips extend toward the bottom surface to be cleaned, so that the central body and the sealing lips, when the free ends rest on the floor surface to be cleaned, define an interior, and wherein the M Ittelabites has a connection through which the interior can be connected to a dirt container of the floor cleaning machine. Furthermore, the invention relates to a floor cleaning machine with such a Saugfußan angel.
  • Floor cleaning machines or scrubber-driers are known from the prior art, which have a scrubbing deck with driven brushes and a suction foot arranged behind the scrub deck when viewed in the direction of travel of the machine.
  • liquid is first brought to the floor surface to be cleaned with the aid of the scrub deck, so that the dirt is released by the brushes from the floor surface to be cleaned and then absorbed by the cleaning fluid.
  • the dirt-laden Liquid is sucked up again and transported via a suction pipe in a dirt container.
  • a squeegee with a substantially elongated central body extending and bent transversely to the direction of travel is mounted on the chassis in a height-adjustable manner.
  • the central body comprises two arms and a central portion, which are integrally formed with each other, and at the edges of the central body extending to the floor surface to be cleaned sealing lips made of rubber, so that between the sealing lips and the central body, an interior is formed, from which the dirt-laden liquid can be sucked up.
  • a floor cleaning machine with such a suction foot is particularly suitable for cleaning large, flat floor surfaces, e.g. in pedestrian areas, on pedestrian and cycle paths or in underground garages.
  • the EP 1 197 606 A1 discloses a squeegee having a central body having a center piece and arms hingedly hinged thereto.
  • the centerpiece is provided with a spigot which goes directly into a pipe to a suction.
  • the present invention has for its object to provide a floor cleaning machine and a designated Saugfußan extract that also allow to clean floor surfaces that have significant bumps.
  • the arms are pivoted about pivotal connections to the central portion such that they can pivot away from the floor surface to be cleaned out of the suction cup plane.
  • the central portion with the two arms of the central body is not configured in one piece or at least firmly connected thereto.
  • the two arms are articulated rather pivoted at the central portion, so that they can each pivot freely from the Saugfußebene.
  • the planes in which the two arms can be located may thus differ from the plane of the middle section. This occurs especially at the moment when the squeegee runs from a flat bottom surface to an inclined portion.
  • the two arms can move independently of each other so that they pivot out of the Saugfußebene and are aligned at an inclined portion substantially parallel to this.
  • the two arms can move independently of each other and so avoid any unevenness. Overall, it does not lead to unintentionally high forces that must be absorbed by the central body.
  • the pivot connections are designed such that a pivoting movement of the arms out of the level of the suction base out towards the floor surface to be cleaned is limited to a pivot angle of less than 10 °, preferably less than 5 °.
  • the pivotal connection is preferably mounted on the outside of the central portion facing away from the cleaning surface and the two arms. This allows pivoting of the two arms out of the Saugfußebene away from the floor surface to be cleaned, as soon as the squeegee hits a bump or a sloping portion.
  • the limitation of the pivot angle down to the cleaning floor surface to an angle less than 10 ° is advantageous because then the entire squeegee can be lifted from the floor surface to be cleaned alone by lifting the central portion without the free ends of the arms specially supported Need to become.
  • the first arm is pivotally hinged about a first pivot axis at the central portion
  • the second arm is pivotally hinged about a second pivot axis at the central portion.
  • the first and the second pivot axis are parallel to the Saugfußebene.
  • the Saugfußebene in the context of the present invention is that level in which the central portion and the arms extend when the squeegee rests on a flat floor surface to be cleaned, so that the Saugfußebene then parallel to the plane of the bottom surface.
  • the arms extend substantially V-shaped away from the central portion, the arrangement being such that the V formed by the arms opens in the normal direction of travel of the floor cleaning machine to which the squeegee assembly is attached.
  • dirt-laden liquid is directed toward the central portion, where it passes through an opening mounted there in a forward facing central sealing lip into the interior and is sucked into the dirt container.
  • first and the second pivot axis extend in the Saugfußebene. This allows the pivoting of the two arms in a plane perpendicular to the Saugfußebene.
  • support wheels are attached to the ends of the arms remote from the central portion.
  • the support wheels support the free ends of the arms. Because so that the sealing lips strip off water optimally, they must be in a predetermined position to the ground in order to move defined. The support rollers ensure that this position is reached.
  • the floor cleaning machine comprises a chassis for moving the floor cleaning machine over a floor surface to be cleaned.
  • the chassis defines a horizontal plane parallel to the floor surface to be cleaned.
  • the floor cleaning machine further comprises a dirt container having an inlet and which is connected to the suction side of a suction, a coupling member which is supported on the chassis such that its distance is adjustable perpendicular to the horizontal plane relative to the floor surface to be cleaned, wherein in a lowered position of the coupling element, the orientation of the coupling element is fixed relative to the horizontal plane.
  • the floor cleaning machine comprises a Saugfußan angel, wherein the already mentioned preferred embodiments are possible and apply the advantages explained in this context.
  • the squeegee assembly includes a central portion that is supported on the coupling member such that the central portion is fixedly aligned with the coupling member and the squeegee plane is parallel to the horizontal plane, the port at the central portion being connected to the inlet of the dirt container.
  • the central portion is releasably supported on the coupling element.
  • the central body can be solved in a simple manner by the coupling element and replaced with another attachment.
  • FIGS. 1 and 2 show, the embodiment of a floor cleaning machine 1 according to the invention on a vehicle frame forming chassis 3, which includes four wheels 5, so that the floor cleaning machine 1 can be moved over a floor surface to be cleaned 7.
  • the drive 3 defines by the position of the axes of rotation of the wheels 5 a horizontal plane 9, which runs parallel to the floor surface 7 to be cleaned.
  • a plate-shaped coupling element 11 is supported so height adjustable that the distance of the coupling element 11 to be cleaned to the bottom surface 7, measured perpendicular to the horizontal plane 9, is adjustable.
  • the coupling element 11 is articulated via two mutually parallel retaining arms 13 on the chassis 3, wherein the retaining arms 13 are pivotally mounted with one end on the chassis 3 and with the other end pivotally mounted on the coupling element 11.
  • This parallelogram arrangement of the holding arms 13 ensures that the orientation of the coupling element 11 relative to the horizontal plane 9 is the same regardless of the set distance of the coupling element 11 from the bottom surface 7 to be cleaned, ie the angular position of the coupling element 11 relative to the horizontal plane 9 is not equal changes.
  • the orientation of the coupling element 11 is fixed to the horizontal plane 9 when the coupling element 11 is in a lowered position in which a mounted on the coupling element 11 squeegee rests on the bottom surface 7 to be cleaned.
  • the floor cleaning machine 1 has a dirt container 15, whose inlet is formed by a suction tube 17, which connects the dirt container 15 with an opening in the coupling element 11.
  • a suction tube 17 On the dirt container 15 is an in Fig. 1 schematically illustrated suction 19 is provided, the suction side is connected to the dirt container 15, so that in the dirt container, a negative pressure can be generated and thus a flow from the opening in the coupling element 11 through the suction pipe 17 into the dirt container 15th
  • the embodiment of the floor cleaning machine 1 has a preferred embodiment of a Saugfußan angel 21 according to the invention, which is detachably attached to the coupling element 11.
  • the Saugfußan extract 21 includes a central body 23 and a plate-shaped coupling piece 25.
  • the central body 23 in turn has a central portion 27 and first and second arms 29, 31.
  • the central portion 27 is fixedly connected to the coupling piece 25 and a pipe section 33 leads from an opening in the central portion 27 to an opening 35 in the coupling piece 25, which forms a connection to the central portion 27.
  • the arms 29, 31 extend V-shaped away from the central portion 27, wherein the V formed by the arms 29, 31 opens in the direction of travel of the floor cleaning machine 1 (see Fig. 1 ).
  • the arms 29, 31 extend in a common so-called Saugfußebene 37, which is parallel to the bottom surface to be cleaned 7.
  • central sealing lips 39 which are attached to the central portion 25, pass around the central portion 27 and extend to the floor surface to be cleaned 7 extend.
  • the two arms 29, 31 also comprise at the edges laterally of their extension direction opposite lateral sealing lips 41, which also extend in the direction of the bottom surface 7 to be cleaned.
  • the first arm 29 has a first end 43 facing the central portion 27, and likewise the second arm 31 has a first end 45 facing the central portion 27 the first arm 29 has a second end 47 remote from the central portion 27, and the second arm 31 also has a second end 49 remote from the central portion 27.
  • a first pivotal connection 51 is formed which defines a first pivot axis 53 about which the first arm 29 moves away from the floor surface 7 to be cleaned away from the chassis bottom 3 relative to the central portion 27 the floor cleaning machine 1 can pivot.
  • the first pivot axis 53 extends almost perpendicular to the extension direction of the first arm 29 and in the Saugfußebene 37.
  • the first pivot connection 51 is configured such that the first arm 29 by a maximum of 10 °, preferably only 5 °, relative to the central portion 27 after can swing down to the bottom surface to be cleaned 7.
  • a second pivotal connection 55 is formed which defines a second pivotal axis 57 about which the second arm 31 moves away relative to the central portion 27 away from the bottom surface 7 to be cleaned can pivot to the chassis 3 of the floor cleaning machine 1.
  • the second pivot axis 57 extends almost perpendicular to the extension direction of the second arm 31 and in the Saugfußebene 37.
  • the second pivot connection 51 is configured such that the second arm 31 by a maximum of 10 °, preferably only 5 °, relative to the Central portion 27 can pivot down to the bottom surface to be cleaned 7.
  • support wheels 59, 61 are mounted, via which the arms 29, 31 are supported on the bottom surface 7 to be cleaned.
  • 27 further support wheels 63 are provided at the central portion, which the Supported central portion 27 on the bottom surface 7 to be cleaned.
  • the Saugfußan onion 21 is how Fig. 1 can be seen, via the fixedly connected to the central portion 27 coupling piece 25 releasably supported on the coupling element 11, wherein the coupling piece 25 and the coupling element 11 can not be pivoted against each other, so have a fixed predetermined orientation to each other.
  • the coupling piece 25 is supported on the coupling member 11, the suction pipe 17 and the opening 35 in the coupling piece 25 are aligned with each other, so that when the suction 19 is in operation, generates an air flow from the interior of the Saugfußan Aunt 21 in the dirt container 15 becomes.
  • the Saugfußan onion 21 is lowered by adjusting the position of the coupling member 11 perpendicular to the horizontal plane 9 in the direction of the bottom surface to be cleaned 7 until the central and lateral sealing lips 39, 41 touch the floor surface to be cleaned 7 or adjacent thereto and the support wheels 59, 61, 63 rest on the floor surface 7 to be cleaned.
  • the floor cleaning machine 1 moves with the suction 19 switched on the bottom surface 7, liquid located thereon is sucked out of the interior of the Saugfußan für 21 through the suction pipe 17 into the dirt container 15.
  • the floor cleaning machine 1 hits a portion inclined thereto, such as a ramp with a slope, from a flat portion of the floor surface 7, one of the support wheels 59, 61 at the second ends 47, 49 of the arms 29, 31 may run on the inclined ones Section.
  • the corresponding arm 29, 31 perform a pivoting movement about the pivotal connection 51, 55 from the Saugfußebene 37 toward the horizontal plane 9, and the coupling element 11 does not have to be moved to the chassis 3.
  • the arms 29, 31 can easily avoid the forces occurring in the event of unevenness without the squeegee assembly 21 being damaged. Without the pivotal connections would exist due to the rigid coupling between central portion 27 and coupling element 11 otherwise the risk that the arms 29, 31 bend or break.
  • the floor cleaning machine 1 according to the invention on which the Saugfußan extract 21 according to the invention is supported, are reliably moved over a bottom surface to be cleaned 7, which has both planar and inclined, provided with a slope areas. There is no risk that the Saugfußan elbow 21 is damaged when driving over the uneven floor surface sections.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Claims (8)

  1. Agencement de suceur pour une machine à nettoyer le sol (1), destinée à aspirer du liquide d'une surface de sol (7) qui doit être nettoyée
    avec un corps central (23), qui comporte une partie centrale (27) ainsi qu'un premier et un deuxième bras (29, 31),
    la partie centrale (27) étant conçue pour être maintenue sur un élément de couplage (11) de la machine à nettoyer le sol (1) de telle manière que la partie centrale (27) soit fixement orientée vers l'élément de couplage (11),
    les bras (29, 31) s'étendant en éloignement de la partie centrale (27) sur des côtés opposés, dans un plan du suceur (37),
    sur la partie centrale (27), entre les bras (29, 31) étant montées des lèvres d'étanchéité (39) centrales, sur les bras (29, 31), sur les deux côtés de leur direction d'extension étant montées des lèvres d'étanchéité (41) latérales,
    les lèvres d'étanchéité (39, 41) s'étendant vers la surface de sol (7) qui doit être nettoyée de telle sorte que, lorsque leurs extrémités libres reposent sur la surface de sol (7) qui doit être nettoyée, le corps central (23) et les lèvres d'étanchéité (39, 41), délimitent un espace intérieur,
    la partie centrale (27) comportant un raccord (35) par l'intermédiaire duquel l'espace intérieur peut être relié avec un réservoir à impuretés (15) de la machine à nettoyer le sol (1) et
    les bras (29, 31) étant articulés de manière pivotante sur la partie centrale (27) par l'intermédiaire d'assemblages pivotants (51, 55) de manière à pouvoir pivoter en éloignement de la surface de sol (7) qui doit être nettoyée, hors du plan du suceur (37) caractérisée
    en ce qu'il est prévu une pièce d'accouplement (25) en forme de plaque qui est fixement assemblée sur la partie centrale (27) et
    en ce qu'une pièce tubulaire (33) qui forme un raccord sur la partie centrale (27) mène d'une ouverture dans la partie centrale (27) vers une ouverture (35) dans la pièce d'accouplement (25).
  2. Agencement de suceur selon la revendication 1, les assemblages pivotants (51, 55) étant conçus de telle sorte qu'un déplacement en pivotement des bras (29, 31) hors du plan du suceur (37) vers la surface de sol (7) qui doit être nettoyée soit limité à un angle de pivotement inférieur à 10°, de préférence inférieur à 5°.
  3. Agencement de suceur selon la revendication 1 ou 2, le premier bras (29) étant articulé sur la partie centrale (27), de manière à pouvoir pivoter autour d'un premier axe de pivotement (53),
    le deuxième bras (31) étant articulé sur la partie centrale (27), de manière à pouvoir pivoter autour d'un deuxième axe de pivotement (57) et
    le premier et le deuxième axes de pivotement (53, 57) s'écoulant à la parallèle du plan du suceur (37).
  4. Agencement de suceur selon l'une quelconque des revendications 1 à 3, les bras (29, 31) s'étendant en s'éloignant en forme de V de la partie centrale (27).
  5. Agencement de suceur selon la revendication 3 et 4, le premier et le deuxième axes de pivotement (53, 57) s'écoulant dans le plan du suceur (37).
  6. Agencement de suceur selon l'une quelconque des revendications 1 à 5, sur les extrémités (47, 49) des bras (29, 31) éloignées de la partie centrale (27) étant montées des roues d'appui (59, 61).
  7. Machine à nettoyer le sol, dotée d'un châssis (3) pour le déplacement de la machine à nettoyer le sol (1) par-dessus une surface de sol (7) qui doit être nettoyée, le châssis (3) définissant un plan horizontal (9) à la parallèle de la surface de sol (7) qui doit être nettoyée,
    avec un réservoir à impuretés (15), qui comporte une entrée et qui est relié avec le côté aspirant d'une aspiration (19),
    avec un élément de couplage (11), qui est maintenu sur le châssis (3) de telle sorte que l'écart de celui-ci à la perpendiculaire du plan horizontal (9) par rapport à la surface de sol (7) qui doit être nettoyée soit ajustable, dans une première position abaissée de l'élément de couplage (11) l'orientation de l'élément de couplage (11) par rapport au plan horizontal (9) étant fixée et
    avec un agencement de suceur (21) selon l'une quelconque des revendications 1 à 6,
    la partie centrale (27) étant maintenue sur l'élément de couplage (11) de telle sorte que la partie centrale (27) soit fixement orientée vers l'élément de couplage (11) et que le plan du suceur (37) s'écoule à la parallèle du plan horizontal (9), et
    le raccord (35) étant assemblé sur la partie centrale (27) par l'entrée du réservoir à impuretés (15).
  8. Machine à nettoyer le sol selon la revendication 7, la partie centrale (27) étant maintenue de manière amovible sur élément de couplage (11).
EP15172756.7A 2015-06-18 2015-06-18 Systeme d'aspiration pour une machine de nettoyage de sol Active EP3106566B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15172756.7A EP3106566B1 (fr) 2015-06-18 2015-06-18 Systeme d'aspiration pour une machine de nettoyage de sol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15172756.7A EP3106566B1 (fr) 2015-06-18 2015-06-18 Systeme d'aspiration pour une machine de nettoyage de sol

Publications (2)

Publication Number Publication Date
EP3106566A1 EP3106566A1 (fr) 2016-12-21
EP3106566B1 true EP3106566B1 (fr) 2018-08-22

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EP15172756.7A Active EP3106566B1 (fr) 2015-06-18 2015-06-18 Systeme d'aspiration pour une machine de nettoyage de sol

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1530904A (en) * 1976-11-22 1978-11-01 Hammersley D Collecting apparatus
US6073304A (en) * 1997-10-22 2000-06-13 Windsor Industries, Inc. Squeegee adjustment method and apparatus
EP1197606B1 (fr) * 2000-10-13 2006-11-22 Mathieu Yno Dispositif d'aspiration de l'eau de rinçage résiduelle sur une surface dallée pavée ou bétonnée
EP2447419B1 (fr) * 2010-10-26 2016-06-08 Hako GmbH Machine de nettoyage du sol dotée d'un dispositif d'embrayage

Non-Patent Citations (1)

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

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