EP3415068A1 - Pied à dépression pour une machine de nettoyage du sol - Google Patents

Pied à dépression pour une machine de nettoyage du sol Download PDF

Info

Publication number
EP3415068A1
EP3415068A1 EP18172885.8A EP18172885A EP3415068A1 EP 3415068 A1 EP3415068 A1 EP 3415068A1 EP 18172885 A EP18172885 A EP 18172885A EP 3415068 A1 EP3415068 A1 EP 3415068A1
Authority
EP
European Patent Office
Prior art keywords
suction
connection element
fluid
squeegee
flushing fluid
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.)
Pending
Application number
EP18172885.8A
Other languages
German (de)
English (en)
Inventor
Christian Tabeling
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
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 Hako GmbH filed Critical Hako GmbH
Publication of EP3415068A1 publication Critical patent/EP3415068A1/fr
Pending legal-status Critical Current

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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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • 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
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
    • A47L11/305—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools the tools being disc brushes
    • 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
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid 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
    • A47L11/02—Floor surfacing or polishing machines
    • 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
    • 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
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • 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
    • 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
    • A47L11/408—Means for supplying cleaning or surface treating agents

Definitions

  • the present invention relates to a squeegee for a floor cleaning machine having a squeegee base having a top wall, a front wall and a rear wall extending from the top wall, a suction channel being formed between the front wall and the rear wall and the rear wall forming a support edge for resting on a floor surface to be cleaned, with a suction connection, which is connected to the suction channel, preferably extends through the upper wall and can be connected to a suction device of the floor cleaning machine.
  • the present invention relates to a floor cleaning machine with such a suction cup, and a method for operating a floor cleaning machine.
  • a so-called squeegee is used to remove a present on a floor surface to be cleaned liquid that was previously applied by a cleaning device of the floor cleaning machine and may contain dirt from the bottom surface. This is done by negative pressure, which is provided by a dedicated suction device of the floor cleaning machine and with which the squeegee, in particular its suction, is acted upon.
  • the suction cup according to the invention has a flushing device for supplying flushing fluid into the suction channel, wherein the flushing device has a connection element for connection to a supply line for the flushing fluid and wherein the connection element is attached to the Saugfußbasis and connected for supplying flushing fluid with the suction channel.
  • the squeegee according to the invention can be cleaned in a particularly simple manner by means of the rinsing device by a rinsing fluid, For example, cleaning liquid from the cleaning liquid tank of the floor cleaning machine, the connection element of the suction supplied and thus introduced into the suction channel.
  • This flushing fluid can then be sucked off again by suction with the aid of the suction device present on the floor cleaning machine, so that in particular the suction duct can be flushed in a simple manner.
  • Such a rinsing step can be done easily and at intervals that are shorter than those that lie between other cleaning operations, since this is associated with a much lower cost.
  • the adhering dirt particles can be at least partially removed before they dry on the squeegee to a dirt layer.
  • the front wall of the suction channel may be sized so that it does not extend or not over its entire length to the floor surface to be cleaned.
  • the suction of liquid or dirty liquid from the floor surface to be cleaned is simplified.
  • the connection element may be formed as a hose coupling, so that the connection to a supply line for the flushing fluid is simplified.
  • a preferred embodiment of the squeegee has a curved Saugfußbasis, the ends of which are seen in the direction of travel of the floor cleaning machine in front of the suction.
  • the curvature of the rear wall can also be partially smaller than the curvature of the front wall, in particular.
  • the purging device has a flushing fluid port connected to the connection element through which the flushing fluid can enter the suction channel and which is spaced from the suction port.
  • the squeegee base, the front wall and the rear wall extend between a first end and a second end, and the suction port is arranged in particular centrally between the first and second end.
  • the flushing fluid port is located at the first end. In this embodiment, the entire portion between the first end and the suction port is reliably purged when a purging fluid is introduced.
  • a further flushing fluid opening likewise connected to the connection element is arranged at the second end, so that also the section between the second end and the suction connection is flushed.
  • Another preferred embodiment has a plurality of rinse fluid ports connected to the port and through which the purging fluid may enter the suction passage, wherein the purging fluid ports are disposed along the rear wall and spaced from one another.
  • the flushing fluid openings may be regularly spaced from each other. In this embodiment, the cleaning effect is further improved.
  • connection element is arranged on the upper, the suction channel limiting wall.
  • the connection element can open in the direction of the floor surface to be cleaned if the suction foot is arranged on a floor cleaning machine. This results in a particularly simple structure.
  • the Saugfußbasis is formed as a hollow body having an interior, wherein the pointing to the suction channel wall portion of the hollow body is formed by the upper wall and wherein the Spülfluidö réelle (s) is disposed in the upper wall / are.
  • the interior forms the connection, and preferably the connection element is attached to the Saugfußbasis such that the flushing fluid can flow through the connection element in the interior of the Saugfußbasis.
  • the suction connection then extends through the upper wall and the inner space.
  • the flushing device has one or more flushing fluid lines, the first ends of which are connected to the connection element and whose second ends are connected to the flushing fluid orifices.
  • the object mentioned above is further achieved by a floor cleaning machine with the suction cup according to the invention.
  • the floor cleaning machine has a running gear for moving the floor cleaning machine over a floor surface to be cleaned, a cleaning device attached to the landing gear for applying cleaning liquid to the floor surface to be cleaned, a dirty liquid tank, a suction device for sucking dirty liquid into the dirty liquid tank and one of the above-described suction feet ,
  • the squeegee is arranged in the direction of travel behind the cleaning device, and the suction connection is connected to the suction device.
  • the floor cleaning machine according to the invention achieves the advantages already explained in connection with the suction foot.
  • the floor cleaning device has a lifting device, which is designed to support the squeegee.
  • the lifting device can convert the squeegee reversibly from an idle state in which the support edge is lifted from the floor surface to be cleaned to an operating state in which the support edge rests on the floor surface to be cleaned.
  • a cleaning liquid tank is provided, with which the connection element is connected.
  • the cleaning liquid may form the flushing fluid.
  • the cleaning fluid tank can serve as a reservoir for the flushing fluid.
  • the connection element can also be configured such that it can be connected to a domestic water connection so that domestic water can be used as flushing fluid.
  • the reservoir is formed by the cleaning liquid tank, and the cleaning liquid tank is connected to the connection member, so that cleaning liquid is supplied to the connection member as a rinsing fluid for rinsing.
  • the feeding of the flushing fluid into the suction channel can be simplified, in particular during the operation of the floor cleaning machine.
  • connection element is connected to a domestic water connection. This allows an operator to clean the squeegee as needed or according to a maintenance schedule.
  • the reservoir is formed by the cleaning liquid tank and the cleaning liquid tank is connected to the connection element, wherein during normal operation of the floor cleaning machine cleaning liquid is supplied at regular intervals through the connection element in the suction channel and thus during normal operation regularly is cleaned.
  • Fig. 1 shows a side view of a floor cleaning machine 1 with an embodiment of a suction cup according to the invention.
  • the floor cleaning machine 1 comprises a chassis 3, 5 comprehensive chassis for moving the floor cleaning machine 1 via a floor surface to be cleaned 7, a mounted on the chassis cleaning device 9 for applying cleaning liquid to the floor surface to be cleaned 7, a dirty liquid tank 11, a suction device (not shown ) for sucking off dirty liquid in the dirty liquid tank 11 and a squeegee 13 according to the embodiment described below.
  • the squeegee 13 is arranged behind the cleaning device 9 in the direction of travel F of the floor cleaning machine 1, and a suction connection 15 of the suction foot 13 is connected to the suction device.
  • a suction 13 has a Saugfußbasis 17, on which a top wall 19 is formed, wherein a front wall 21 and a rear wall 23 extend from the upper wall 19 so that between the front wall 21 and the rear wall 23, a suction channel 25 is formed is, which is bounded above by the upper wall 19.
  • the rear wall 23 has a support edge 27 for resting on the floor surface 7 to be cleaned.
  • Fig. 4 shows, the suction port 15 is provided in the Saugfußbasis 17 and extends through the upper wall 19. In operation, it is connected to a suction device of the floor cleaning machine 1.
  • Fig. 2 It can be seen that the suction connection 15 is arranged centrally between the first and second ends of the suction foot 13, between which the front and rear walls 21, 23 extend.
  • the Saugfußbasis 17 is formed as a hollow body which defines a closed interior space 29, which faces the suction channel 25 wall portion is formed by the upper wall 19.
  • the interior 29 is bounded by a cover wall 30 and the front and the rear wall 21, 23.
  • the suction port 15 extends through the interior 29 therethrough.
  • a connection element 31 is provided in the cover wall 30 on the Saugfußbasis 17, which is formed for example as a hose connection and via which a flushing fluid can be introduced into the interior 29.
  • connection element 31 When resting with the support edge 27 on the bottom surface 7 squeegee 13, the connection element 31 is connected to a reservoir for flushing fluid, preferably the cleaning liquid tank of the floor cleaning machine 1, and cleaning liquid is supplied as flushing fluid to the connection element 31. This passes from there into the interior 29 of the Saugfußbasis 17 and further through the Spülfluidö réelleen 33 in the suction passage 25. Parallel to the suction of the floor cleaning machine 1 is operated so that the flushing fluid in the form of cleaning liquid through the suction port 15 withdrawn from the suction channel 25 is entrained, wherein in the suction channel 25 existing dirt is entrained.
  • water from a domestic water connection to be used as the flushing fluid, the domestic water connection being connected to the connection element 31 via a hose, so that the domestic water then enters the extraction duct 25.
  • the cleaning liquid tank is permanently connected to the connection element, wherein cleaning liquid is supplied at regular intervals through the connection element 31 in the suction channel 25.
  • the squeegee 13 can be cleaned regularly during normal operation.
  • the suction foot 13 according to the invention with the flushing device in the form of the connecting element 31, which is connected to the flushing fluid openings 33, allows efficient cleaning of the suction channel 25 of the suction base 13 in a simple manner.
  • connection element 31 is connected to the flushing fluid openings 33 via the closed interior 29.
  • the connecting element 31 and the Spülfluidö réelleen 33 via a flushing fluid line 35 are interconnected.
  • a first end of the flushing fluid line 35 is connected to the connection element 31, while its second end is connected to the flushing fluid opening 33.
  • the inner space 29 of the Saugfußbasis 17 is not used directly for the distribution of the flushing fluid, as is the case in the first embodiment.
  • the Saugfußbasis 17 is formed as a closed hollow body. Otherwise, the second embodiment does not differ in its basic operation from the first, and it will be achieved with the second embodiment, the advantages already mentioned in connection with the first embodiment.

Landscapes

  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
EP18172885.8A 2017-05-17 2018-05-17 Pied à dépression pour une machine de nettoyage du sol Pending EP3415068A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017110774.6A DE102017110774A1 (de) 2017-05-17 2017-05-17 Saugfuß für eine Bodenreinigungsmaschine

Publications (1)

Publication Number Publication Date
EP3415068A1 true EP3415068A1 (fr) 2018-12-19

Family

ID=62196468

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18172885.8A Pending EP3415068A1 (fr) 2017-05-17 2018-05-17 Pied à dépression pour une machine de nettoyage du sol

Country Status (5)

Country Link
EP (1) EP3415068A1 (fr)
JP (1) JP2018192261A (fr)
KR (1) KR102573249B1 (fr)
CN (1) CN108937753A (fr)
DE (1) DE102017110774A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102543823B1 (ko) 2023-03-20 2023-06-16 클레온(주) 탑승식 노면세척기의 스퀴지 구조

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005048092A1 (de) * 2005-09-30 2007-04-05 Alfred Kärcher Gmbh & Co. Kg Flächenreinigungskopf
WO2013064179A1 (fr) * 2011-11-02 2013-05-10 Alfred Kärcher Gmbh & Co. Kg Machine de nettoyage des sols guidée à la main
US20130180550A1 (en) * 2012-01-12 2013-07-18 Willie Dee Kent Cleaning heads and methods of use
DE102013204400A1 (de) * 2013-03-13 2014-10-02 Hako Gmbh Bodenreinigungsmaschine mit einer Saugeinheit mit einem Flüssigkeitszuführungssystem

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
GB1483261A (en) * 1974-10-09 1977-08-17 Melford Eng Ltd Suction cleaning apparatus
US4596061A (en) * 1985-01-22 1986-06-24 Henning John J Liquid-vacuum washer for hard surfaces
JP2591730Y2 (ja) * 1991-07-08 1999-03-10 ユシロ化学工業株式会社 床面清掃車
JPH1034095A (ja) * 1996-07-22 1998-02-10 Tanikoo Fukushima Hanbai Kk 洗浄器具、及びこれに用いられる水循環装置
EP0917437B1 (fr) * 1997-03-06 2004-01-07 Vorwerk & Co. Interholding GmbH Dispositif pour nettoyer le sol par lavage et par aspiration
DE29914329U1 (de) * 1999-08-16 2000-12-28 Faun Viatec Gmbh Saugdüse
JP3568837B2 (ja) * 1999-09-30 2004-09-22 アマノ株式会社 床面洗浄清掃機
JP3871888B2 (ja) * 2001-02-14 2007-01-24 アマノ株式会社 床面洗浄機用スキージ
JP4141827B2 (ja) * 2002-12-27 2008-08-27 アマノ株式会社 カーペットクリーナー
US20050125935A1 (en) * 2003-12-16 2005-06-16 Leonatti John A. Cleaning machine for cleaning a surface
JP4363995B2 (ja) * 2004-01-23 2009-11-11 株式会社東芝 吸込口体および掃除装置
JP4535900B2 (ja) * 2005-02-14 2010-09-01 花王株式会社 湿式電気掃除機
DE102007034702A1 (de) * 2007-07-18 2009-01-22 Alfred Kärcher Gmbh & Co. Kg Schmutzaufnahmevorrichtung für eine Bodenreinigungsmaschine sowie Bodenreinigungsmaschine mit einer derartigen Schmutzaufnahmevorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005048092A1 (de) * 2005-09-30 2007-04-05 Alfred Kärcher Gmbh & Co. Kg Flächenreinigungskopf
WO2013064179A1 (fr) * 2011-11-02 2013-05-10 Alfred Kärcher Gmbh & Co. Kg Machine de nettoyage des sols guidée à la main
US20130180550A1 (en) * 2012-01-12 2013-07-18 Willie Dee Kent Cleaning heads and methods of use
DE102013204400A1 (de) * 2013-03-13 2014-10-02 Hako Gmbh Bodenreinigungsmaschine mit einer Saugeinheit mit einem Flüssigkeitszuführungssystem

Also Published As

Publication number Publication date
KR20180126404A (ko) 2018-11-27
CN108937753A (zh) 2018-12-07
KR102573249B1 (ko) 2023-08-30
DE102017110774A1 (de) 2018-11-22
JP2018192261A (ja) 2018-12-06

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