EP3206551B1 - Flächen-reinigungsmaschine - Google Patents

Flächen-reinigungsmaschine Download PDF

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Publication number
EP3206551B1
EP3206551B1 EP15775721.2A EP15775721A EP3206551B1 EP 3206551 B1 EP3206551 B1 EP 3206551B1 EP 15775721 A EP15775721 A EP 15775721A EP 3206551 B1 EP3206551 B1 EP 3206551B1
Authority
EP
European Patent Office
Prior art keywords
cleaning roller
sweeping element
cleaning
cleaned
cleaning machine
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
EP15775721.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3206551A1 (de
Inventor
Fabian MOSER
Manuel SCHULZE
Johanna BUCHMANN
Christoph RUFENACH
Andreas MÜLLER
Alexander BRÄNDLE
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.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co 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 Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Priority to PL15775721T priority Critical patent/PL3206551T3/pl
Publication of EP3206551A1 publication Critical patent/EP3206551A1/de
Application granted granted Critical
Publication of EP3206551B1 publication Critical patent/EP3206551B1/de
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
    • 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
    • A47L11/4041—Roll shaped surface treating 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/20—Floor surfacing or polishing machines combined with vacuum cleaning devices
    • A47L11/202—Floor surfacing or polishing machines combined with vacuum cleaning devices having separate drive for the cleaning 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
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/20—Floor surfacing or polishing machines combined with vacuum cleaning devices
    • A47L11/204—Floor surfacing or polishing machines combined with vacuum cleaning devices having combined drive for brushes and for vacuum cleaning
    • 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
    • A47L11/24—Floor-sweeping machines, motor-driven
    • 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
    • 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
    • A47L11/4002—Installations of electric equipment
    • A47L11/4008—Arrangements of switches, indicators or the like
    • 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
    • A47L11/4027—Filtering or separating contaminants or debris
    • 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
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the cleaning 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
    • 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
    • A47L11/4075—Handles; 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
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
    • 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
    • A47L11/4088—Supply pumps; Spraying devices; Supply conduits
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0411—Driving means for the brushes or agitators driven by electric motor
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators
    • A47L9/0461—Dust-loosening tools, e.g. agitators, brushes
    • A47L9/0466—Rotating tools
    • A47L9/0477—Rolls
    • 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
    • A47L9/0488—Combinations or arrangements of several tools, e.g. edge cleaning tools

Definitions

  • the invention relates to a surface cleaning machine, such as in the WO02 / 069775 A2 described, comprising a cleaning roller holder, a cleaning roller which is arranged on the cleaning roller holder, a drive device for rotationally driving the cleaning roller, and a sweeping element, which is assigned to the cleaning roller and the cleaning roller sweeps.
  • a cleaning device for cleaning a surface which comprises a rotatable brush.
  • a rubber wiper element is also provided, which is spaced apart from the brush and is fastened to an underside of a nozzle housing.
  • a method for cleaning a preferably smooth surface is known in which the surface to be cleaned is wiped with a substantially flap-like wiping element while the mopping element absorbs the dirt and then the dirty mopping element is moistened and the dirt is then sucked off the mopping element becomes.
  • a floor dust collecting device which has an electric motor drive, a dust collecting container and a cover and a brush.
  • the brush conveys dust particles in a certain throwing direction, with a ramp oriented to the throwing direction being provided associated with the brush, which can be evaded in the throwing direction.
  • a surface cleaning device which includes a substantially continuous surface cleaning strip extending across an underside of a housing.
  • the invention is based on the object of providing a surface cleaning machine of the type mentioned at the outset, with which optimum cleaning results are obtained on a surface to be cleaned and, in particular, on a hard surface to be cleaned.
  • the sweeping element Due to the rotatable arrangement, the sweeping element is movable relative to the cleaning roller holder and thus also to the cleaning roller. As a result, regardless of an angular position of the surface cleaning machine in relation to the surface to be cleaned, when the cleaning roller is placed on the surface to be cleaned, a constant distance between the rotating cleaning roller and the sweeping element can be achieved.
  • the rotatable mobility of the sweeping element allows a corresponding adaptability.
  • the sweeping element is used to sweep up coarse dirt, which can then be taken away by the rotating cleaning roller.
  • the mobility of the sweeping element via the rotatability on the cleaning roller holder enables a constant distance between a support line of the at least one cleaning roller and a support line of the sweeping element and a surface to be cleaned. It thereby allows a variability in the angle based on a longitudinal direction of the surface cleaning machine in relation to the surface to be cleaned. In this way, for example, cleaning under furniture and the like can also be achieved.
  • the result is optimized cleaning results with extensive operating options.
  • the rotatability of the sweeping element is independent of the rotation of the at least one cleaning roller.
  • the sweeping element is positioned non-rotatably on the cleaning roller holder.
  • An arc length between a surface to be cleaned and an opening of a suction channel on the surface to be cleaned can be variably bridged by the mobility of the sweeping element. Even if the cleaning roller and the sweeping element are the only points of contact with the surface to be cleaned, coarse dirt can be swept up in all angular positions (within an operating range) of the surface cleaning machine with the help of the rotating cleaning roller without a centrifugal effect.
  • an axis of rotation of the sweeping element is oriented at least approximately parallel and in particular coaxially to an axis of rotation of the cleaning roller. This results in an optimized guidance of the sweeping element. Angular offsets of up to 20 ° or up to 10 °, for example, can occur with respect to the exact parallelism due to an uneven thickness of the sweeping element.
  • an elastic device which acts on the sweeping element with a spring force, the spring force in particular pressing the sweeping element and thus a sweeping edge against a surface to be cleaned when the cleaning roller is placed on the surface to be cleaned.
  • an optimized sweeping result and an optimized dragging effect for coarse dirt is achieved by the rotating cleaning roller. Irrespective of an angular position of the surface cleaning machine in relation to the surface to be cleaned, coarse dirt is carried along.
  • the elastic device provides a restoring force so that in every angular position of the surface cleaning machine to the surface to be cleaned there is a substantially constant distance between a support line of the rotating cleaning roller and a support line of the sweeping element. This in turn leads to an optimized cleaning result.
  • the elastic device is dimensioned such that the sweeping element is rotatable against the spring force due to the weight of the surface cleaning machine.
  • the weight of the surface cleaning machine then allows the sweeping element to be repositioned as a function of, for example, an angular position of the surface cleaning machine. This results in a simple structural design of the surface cleaning machine.
  • the elastic device is advantageously dimensioned in such a way that the sweeping element does not slide under the at least one cleaning roller due to the effect of the spring force. This prevents the at least one cleaning roller from lifting off caused by the sweeping element.
  • the elastic device is advantageously supported and, in particular, articulated on the sweeping element and on the cleaning roller holder or on a device connected to the cleaning roller holder. As a result, a necessary restoring force can be achieved by the elastic device.
  • the elastic device has, for example, at least one helical spring or torsion spring or rubber spring or gas pressure spring in order to provide a corresponding spring force.
  • the elastic device comprises at least a first spring and a second spring which are spaced apart from one another, the drive device being at least partially positioned between the first spring and the second spring.
  • a direction of rotation of the sweeping element counter to the spring force is clockwise and, in particular, a direction of rotation of the sweeping element, when the spring force moves it, is counterclockwise.
  • a suction device with a suction unit and at least one suction port is provided, which is fluidly connected to the suction unit and which is connected to the cleaning roller is aligned for fluid suction on the cleaning roller.
  • the cleaning roller can take dirt with it, which is then sucked off by the suction device.
  • the sweeping element is positioned between a surface to be cleaned, on which the cleaning roller is aligned, and the at least one suction mouth. This means that even coarse dirt can be taken along and vacuumed.
  • the surface cleaning machine is of a type in which, during a cleaning operation, it is placed or supported on a surface to be cleaned solely via the cleaning roller. In this way, good cleaning results can be achieved with a simple structural design.
  • the corresponding surface cleaning machine can be designed to be weight-saving and space-saving. There is a high degree of maneuverability; this means that areas that are otherwise difficult to access can also be mechanically cleaned.
  • the sweeping edge is movably rotatably arranged on the cleaning roller holder so that in every angular position to the surface to be cleaned within an operating range of the surface cleaning machine, a distance between the sweeping element and the cleaning roller and in particular a distance between the sweeping element and a contact area of the cleaning roller is at least approximately constant on the surface to be cleaned. This ensures that coarse dirt is carried along consistently and results in optimized cleaning results.
  • the surface cleaning machine in the cleaning operation with forward thrust, is clockwise in the direction of rotation of the cleaning roller. This results in an optimized dirt loosening effect.
  • an angular range for the rotatability of the sweeping element on the cleaning roller holder comprises at least 20 ° and in particular at least 30 ° and in particular at least 40 ° based on an initial position (zero-degree position), with the sweeping element being deflected with a sweeping edge minimally against the cleaning roller holder, i.e. protruding minimally beyond the cleaning roller holder.
  • the starting position is defined, for example, by a stop on a locking element.
  • the sweeping element has a sliding area for sliding on the cleaning roller holder. This results in a structurally favorable guidance on the cleaning roller holder.
  • the sliding area has the shape of a cylinder shell or part of a cylinder shell, in order to be able to implement a circular guide in a particularly simple manner.
  • the cleaning roller holder has an inside which faces the cleaning roller, on which the sliding area of the sweeping element can be slid.
  • the sliding area is made rigid and is so rigid that dirt that usually occurs does not lead to any bulging of the sliding area.
  • the sliding area is designed so flexibly that it can be bulged away from the cleaning roller by accumulations of dirt. Coarse dirt can then collect there. After the sweeping element rotates, this coarse dirt can be taken away by the rotating cleaning roller. The rotary movement is in turn brought about by changing the angular position of the surface cleaning machine in relation to the surface to be cleaned.
  • the sweeping element has a contact area (contact lip) and, in particular, an elastic contact area on a surface to be cleaned which is arranged in particular on a sliding area of the sweeping element. This results in an optimized sweeping function for collecting coarse dirt, this coarse dirt then in turn being able to be carried along by the rotating cleaning roller and being sucked off.
  • a first guide device is arranged on the cleaning roller holder and a second guide device is arranged on the sweeping element, which cooperates with the first guide device for rotatably guiding the sweeping element on the cleaning roller holder.
  • the sweeping element can be guided on a circular path in a simple manner.
  • the second guide device has guide elements arranged on the end faces of the sweeping element, which are arranged with the end faces of the cleaning roller holder and cooperate with counter guide elements of the first guide device, the first guide device and / or the second guide device providing a guide track.
  • a corresponding guide can be implemented in a structurally simple manner. For example, a stop for defining an initial position can be easily integrated into such a guide.
  • the sweeping element is guided on a circular path on the cleaning roller holder.
  • the sweeping element is movably arranged as a whole on the cleaning roller holder.
  • the sweeping element faces away from the forward direction in a forward direction and covers the cleaning roller to the rear and is at least over the surface to be cleaned applied a length of the cleaning roller.
  • a moistening device is provided for the cleaning roller. This allows the rotating cleaning roller to be moistened. This makes it easier to loosen and take away dirt on the surface to be cleaned.
  • FIG. 10 An embodiment of a surface cleaning machine according to the invention, which is shown in Figure 10 is used for cleaning (hard) floors. This makes it a floor cleaning machine.
  • the surface floor cleaning machine 10 comprises a device body 12 with a housing 14. Components of the surface floor cleaning machine 10 are arranged in a protected manner in the housing 14.
  • a suction unit 16 is arranged in the housing 14, which comprises a blower device and a motor device (in particular an electric motor device) for driving the blower device.
  • a suction flow is generated via the suction unit 16 in order to effect suction on a cleaning head 18.
  • a separator device 20 is also arranged in the housing 14, which separates solid and liquid components from one another in a suction stream.
  • a tank device 22 for (sucked in) dirty liquid is arranged in the housing 14.
  • the tank device 22 is in particular positioned removably on the housing 14.
  • the surface cleaning machine 10 comprises a moistening device 24, via which cleaning liquid (water or water with an additional cleaning agent) can be made available to a cleaning roller 26 of the cleaning head 18.
  • a tank device 28 for cleaning fluid is arranged in the housing 14 and provides this cleaning fluid to the humidifying device 24.
  • the surface cleaning machine 10 is hand-held.
  • a holder 30 is arranged on the device body 12.
  • This holder 30 comprises a holding rod 32, on the end region of which a handle 34 is seated.
  • the handle 34 is designed in particular as a bow handle. In the area of the handle 34, operating elements and in particular a switch for switching on and off corresponding devices of the surface cleaning machine 10 are arranged.
  • a winding device 36 for a power cable can be arranged on the holding rod 32.
  • the cleaning head 18 is positioned on the device body 12 at an end facing away from the handle 34. It is arranged, for example, pivotably on the device body 12.
  • the cleaning head 18 comprises a cleaning roller holder 38 on which the cleaning roller 26 is seated.
  • the cleaning roller 26 is assigned a drive device 40 which in particular comprises a drive motor.
  • the drive device 40 is arranged in the housing 14 or arranged in the cleaning head 18.
  • a part of the drive device 40 is arranged in the housing 14 and a part is arranged on the cleaning head 18.
  • the drive device 40 comprises in particular an electric motor. This provides a torque for the rotational drive of the cleaning roller 26 about an axis of rotation 42.
  • the surface cleaning machine 10 When the surface cleaning machine 10 is in operation, it is placed on the surface to be cleaned via the cleaning roller 26 and is supported on the surface to be cleaned only via the cleaning roller 26.
  • An operator holds the surface cleaning machine 10 by the handle 34, the operator being standing in normal operation.
  • the operator can set an angular position of the surface cleaning machine 10 (an angular position of the holding rod 32) to the surface to be cleaned. This takes place via the angular positioning of the entire device 10 relative to the surface to be cleaned.
  • a pivot axis 44 for such an angular movement is formed by the contact area of the cleaning roller 26 on a surface 46 to be cleaned.
  • a pivot axis 48 for a possible pivotability of the cleaning head 18 relative to the device body 12 lies transversely to this pivot axis 44 or transversely to the axis of rotation 42.
  • the cleaning roller 26 has a longitudinal axis 50.
  • This longitudinal axis 50 is coaxial with the axis of rotation 42.
  • the longitudinal axis 50 is coaxial with the surface 46 to be cleaned.
  • the pivot axis 44 for pivoting the entire device 10 relative to the surface 46 to be cleaned is at least approximately parallel to this longitudinal axis 50.
  • the cleaning roller 26 is, as in FIG Figure 2 indicated by the reference numeral 52, provided with a trim.
  • the cleaning head 18 (compare also the Figures 3 to 8 ) with the cleaning roller holder 38 is provided for, in particular, a detachable connection to the device body 12. It comprises a connecting piece 54 which is arranged on the cleaning roller holder 38 and via which a pivotable mounting of the cleaning head 38 on the device body 12 is realized.
  • One or more liquid lines 56 lead from the humidifier 24, which is arranged in particular on the housing 14, to the humidifier 24 of the cleaning head 18.
  • Nozzles are arranged on the cleaning roller holder 38, via which the cleaning roller 26 can be supplied with cleaning fluid.
  • cleaning liquid is not applied directly to the surface 46 to be cleaned, but rather the cleaning roller 26 is moistened with its trim 52 and the moistened cleaning roller 26 then acts on the surface 46 to be cleaned.
  • connections 58 for a suction flow are provided on the cleaning head 18 and thereby on the cleaning roller holder 38.
  • Such a connection 58 is in fluid communication with the suction unit 16 via one or more suction lines.
  • suction port 60 On the cleaning roller holder there is (at least) one suction port 60 (cf. Figure 7 ), which is aligned with the cleaning roller 26.
  • the suction port 60 is in fluid connection with the connection 58 and thus with the suction unit 16. A negative pressure flow acts on the suction port 60. Dirt is sucked off through this.
  • the suction opening 60 is arranged above the cleaning roller 26 in relation to the surface 46 to be cleaned.
  • the suction mouth 60 has a first mouth wall 62 and a second mouth wall 64. Between these the suction opening 60 is formed with a corresponding opening.
  • the first opening wall 62 lies above the second opening wall 64.
  • the first opening wall 62 and / or the second opening wall 64 lie against the facing 52 of the cleaning roller 26 or in particular protrude into it.
  • the cleaning head 18 has a sweeping element 66 which is assigned to the cleaning roller 26.
  • the surface cleaning machine 10 In a (“normal”) cleaning operation, for example, the surface cleaning machine 10 is moved in a forward direction 68 (cf. Figure 1 ) pushed forward.
  • the cleaning roller 26 rotates clockwise 70.
  • a region of the cleaning roller 26 is moistened by the moistening device 24 before it comes into contact with the surface 46 to be cleaned. This area then rotates towards the surface 46 to be cleaned. Dirt is loosened.
  • dirt is carried along and fed to the suction port 60. A suction can take place there.
  • the sweeping element 66 can "collect” coarse dirt which, for example, has not been taken away directly by the cleaning roller 26, and is then taken away via the cleaning roller 26.
  • the sweeping element 66 is arranged on the cleaning roller holder 38. A translatory transport of the sweeping element 66 takes place via the fixation on the cleaning roller holder 38. The sweeping element 66 is mechanically decoupled from the rotation of the cleaning roller 26.
  • the sweeping element 66 covers a rear side of the cleaning head 18, the rear side lying behind the cleaning roller 26 in the opposite direction to the forward direction 68.
  • the sweeping element 66 extends at least and in particular essentially exactly over the length of the cleaning roller 26 in the longitudinal axis 50. In normal operation, the sweeping element 66 rests on the surface 46 to be cleaned.
  • the sweeping element 66 is positioned between the surface 46 to be cleaned and the suction opening 60.
  • the sweeping element 66 is rotatably held on the cleaning roller holder 38.
  • An axis of rotation 71 (compare for example Figure 3 ) for the rotatability of the sweeping element 66 on the cleaning roller holder 38, the rotation of the cleaning roller 26 is parallel and in particular coaxial to the axis of rotation 42.
  • the sweeping element 66 is guided in particular on a circular path.
  • the cleaning roller holder 38 is provided with a first guide device 72 for the sweeping element 66.
  • the first guide device 72 ( Figures 2 to 6 ) is arranged on an inner side 74 of the cleaning roller holder 38 which faces the cleaning roller 26.
  • the sweeping element 66 is provided with a second guide device 76 which cooperates with the first guide device 72 of the cleaning roller holder 38 for guiding the sweeping element 66 on a circular path on the cleaning roller holder 38.
  • the second guide device 76 ( Figure 5 ) has guide elements 78a, 78b arranged on the end faces of the sweeping element 66.
  • the guide elements 78a, 78b each have an immersion area 80, for example in the form of a dovetail.
  • the first guide device 72 assigned to the guide elements 78a, 78b, has guide tracks 82 on each of the end faces of the cleaning roller holder 38, in which the respective immersion area 80 is immersed. A positive guidance (on a circular path) of the sweeping element 66 on the cleaning roller holder 38 is thereby implemented.
  • the drive device 40 comprises a transmission device 84. This in turn comprises a sub-area 86 ( Figures 2 to 4 ), which is arranged facing the inside 74 on the cleaning roller holder 38. This area 86 is arranged centrally between opposite end faces 88a, 88b of the cleaning roller holder 38.
  • the cleaning roller 26 is formed in two parts, for example, and sits on the area 86 and is driven via this.
  • a divider 90 is located on the inside 74 of the cleaning roller holder 38, centrally between the end faces 88a, 88b. This divider 90 is used to divide dirt or dirty fluid to the left and right.
  • the sweeping element 66 comprises a sliding area 94.
  • This sliding area 94 is designed, for example, as a cylinder shell or part of a cylinder shell.
  • the sliding portion 94 is made of, for example, a metal material and, for example, a metal sheet.
  • the sliding area 94 rests on the inside 74 of the cleaning roller holder 38 and slides on the sweeping element 66 when the latter is rotated.
  • a contact area 96 is seated on the sliding area 94 of the sweeping element 66.
  • the contact area 96 forms a contact lip on the surface 46 to be cleaned.
  • the contact area 96 is made of an elastic material and in particular rubber material in order to achieve a good adaptable contact with the surface 46 to be cleaned.
  • the sliding area 94 can be produced with such a rigidity that no flexible deformation takes place during normal operation.
  • the sliding area 94 is made so flexible that a bulge away from the cleaning roller 26 to the rear (opposite to the forward direction 68) is possible. Such a bulge can be caused by the accumulation of dirt and, under certain circumstances, can increase the cleaning effect.
  • the sweeping element 66 is additionally supported by an elastic device 98 on the cleaning roller holder 38 ( Figures 5 to 7 ).
  • the elastic device 98 provides a spring force 100 which tends to press the sweeping element 66 with the contact area 96 onto the surface 46 to be cleaned.
  • This spring force 100 causes the sweeping element 66 to rotate counterclockwise relative to the cleaning roller holder 38.
  • the spring force 100 strives to achieve a maximum (rotary) deflection of the sweeping element 66 in relation to the cleaning roller holder 38.
  • This maximum rotatability is limited by a stop.
  • a stop of the guide elements 78a, 78b on a corresponding stop element of the guide track 82 limits further rotatability.
  • the elastic device 98 is designed in particular such that the weight G of the surface cleaning machine 10 is sufficient to overcome the spring force.
  • the elastic device is designed in such a way that the sweeping element 66 does not slide under the cleaning roller 26 under the action of the spring force 100 and lift it off. Due to the corresponding dimensioning of the elastic device 98, a lifting of the cleaning roller 26 caused by the sweeping element 66 is avoided.
  • the sweeping element 66 is then automatically brought into a correct rotational position relative to the cleaning roller holder 38.
  • an optimal sweeping result and thus a cleaning result can be achieved independently of the angular position 106 of the surface floor cleaning machine 10.
  • An angular range for the rotatability of the sweeping element 66 on the cleaning roller holder 38 on its circular path is in the range of at least 20 ° and in particular at least 30 ° and in particular at least 40 °. In one embodiment, this angular range is approximately 55 °.
  • a starting position (zero angle) is defined by a minimum deflection.
  • a stop 102 is arranged on the sweeping element 66 ( Figure 8 ).
  • the cleaning roller holder 38 has a counter element 103 and when the stop 102 rests against the counter element 103, the starting position (0 ° position) is present. Starting from this position, rotation in the aforementioned angular range can then be made possible.
  • the specific rotational position of the sweeping element 66 in relation to the cleaning roller holder 38 and thus the angle of rotation in relation to the starting position depends on the angular position 106 of the surface cleaning machine 10 in relation to the surface 46 to be cleaned.
  • the elastic device 98 comprises a spring device 110 which is supported at one end 112 on the cleaning roller holder 38 and at an opposite end 114 on the sweeping element 66 in order to be able to exert the corresponding spring force 100 for a rotary drive of the sweeping element 66. (If the cleaning head 18 is seated immovably on the device body 12, then the spring device 110 can also be supported on the device body 12 at the end 112.)
  • the spring device 110 comprises a first spring 116 and a second spring 118.
  • the first spring 116 and the second spring 118 are designed, for example, as helical springs.
  • the first spring 116 and the second spring 118 are spaced apart in one direction between the end faces of the sweeping element 66.
  • the first spring 116 and the second spring 118 are arranged such that a part of the drive device 40 is guided to the region 86 between them.
  • the divider 90 lies between the first spring 116 and the second spring 118.
  • a support element 120 is arranged on the cleaning roller holder 38, each associated with the first spring 116 and the second spring 118.
  • a first housing part 122 is pivotably articulated on a pivot bearing 124 on this support element 120.
  • a pivot axis of the pivot bearing 124 lies parallel to the axis of rotation 71 of the sweeping element 66.
  • the first housing part 122 is cylindrical, for example.
  • the corresponding spring 116 or 118 is supported via its end 112 on a base 126 of this first housing part 122, this base 126 being closest to the pivot bearing 124.
  • a second housing part 128 is also provided. This second housing part 128 is pushed onto the first housing part 122 in the manner of a sleeve.
  • the second housing part 128 is pivotably articulated to the sweeping element 66 via a pivot bearing 130.
  • a pivot axis of the pivot bearing 130 is parallel to the pivot axis of the pivot bearing 124 and thus parallel to the axis of rotation 71.
  • the second housing part 128 has a base 132 which is closest to the pivot bearing 130.
  • the corresponding spring 116 or 118 is supported on the base 132 via the end 114.
  • a housing is formed by the first housing part 122 and the second housing part 128.
  • the corresponding spring 116 or 118 is arranged in a protected manner in its interior.
  • the spring force 100 can open the sweeping element 66 to the cleaning drum holder 38 in every rotational position the corresponding circular path can be exercised.
  • the surface cleaning machine 10 functions for cleaning a surface 46 to be cleaned (for example a floor surface) as follows: The surface cleaning machine 10 is placed with the cleaning roller 26 on the surface 46 to be cleaned with a contact line 47. An operator holds the surface cleaning machine 10, for example, with one hand on the handle 34. In doing so, he sets an angular position 106 of the surface cleaning machine 10 in relation to the surface 46 to be cleaned. This angular position 106 can be varied (cf. Figure 9 (b) ), for example to clean under a piece of furniture.
  • the surface cleaning machine 10 is started by actuating a switch. A rotation of the cleaning roller 26 about the axis of rotation 42 is actuated. This is driven by the drive device 40. Furthermore, the suction unit 16 is actuated, which generates a suction current which acts on the cleaning roller 26 at the suction opening 60. Furthermore, the cleaning roller 26 is moistened by the moistening device 24.
  • the cleaning roller 26 preferably rotates clockwise 70.
  • the damp cleaning roller 26 applies moisture to the surface 46 to be cleaned and dirt is thereby loosened.
  • the rotation of the cleaning roller 26 on the surface 46 to be cleaned causes dirt to be carried along by the cleaning roller 26. Suction takes place at the suction opening 60.
  • the sweeping element 66 serves to collect coarse dirt that was not (initially) removed by the cleaning roller 26 and to make it available to the cleaning roller 26. This coarse dirt can then be taken along by the cleaning roller 26 and sucked off.
  • the sweeping element 66 rests with the sweeping edge 67 via a contact line 69 on the surface 46 to be cleaned.
  • the contact area 96 rests against the surface 46 to be cleaned and ensures that it is carried along accordingly.
  • the sweeping element 66 is held in a rotatable manner on the cleaning roller holder 38.
  • the sweeping element 66 is spring-loaded by the elastic device 98.
  • a distance D between the contact lines 69 and 47 (as the distance between the contact points of the sweeping element 66 and the cleaning roller 26 on the surface 46 to be cleaned) is minimized regardless of the angle 106.
  • a substantially constant distance is achieved between the rotating cleaning roller 26 and the sweeping element 66 and in particular between the contact area 96 when it comes into contact with the surface to be cleaned 46 and a contact area of the cleaning roller 26 on the surface 46 to be cleaned.
  • the sweeping element 66 provides a sweeping edge for sweeping up coarse dirt and discharge via the cleaning roller 26 is ensured in every angular position 106.
  • a constant distance is ensured by the rotational mobility of the sweeping element 66 on the cleaning roller holder 38.
  • An area between the sweeping element 66 and the cleaning roller 26 forms a suction channel 134 which is in fluid communication with the suction opening 60.
  • the rotational mobility of the sweeping element 66 creates an arc length between the surface 46 to be cleaned and a projection of an opening of the channel 132 onto the surface to be cleaned 46 bridged variably and the corresponding distance is kept essentially the same regardless of the angular position 126.
  • the elastic device 98 With its spring force 100, the elastic device 98 resets the sweeping element 66 if, for example, the angle for an angular position 106 is increased (transition from the position according to FIG Figure 9 (b) to the position according to Figure 9 (a) ).
  • the sliding area 94 of the sweeping element 66 can in principle be designed to be rigid.
  • a bulging away from the cleaning roller 26 can be permitted.
  • coarse dirt can then collect, in particular when lowering (reducing the angle for the angular position 106).
  • the surface cleaning machine 10 is raised (increasing the angle of the angular position 106), this accumulated coarse dirt can then be transported away.
  • the cleaning head is basically designed in the same way as described above.
  • the same reference symbols are used for the same elements.
  • This embodiment differs in the design of the elastic device.
  • An elastic device 134 is provided here.
  • the elastic device 134 comprises torsion springs 136 arranged on the end face of the corresponding sweeping element 66.
  • a torsion spring 136 is supported on the sweeping element 66 in each case.
  • a torsion spring 136 is supported on an element 138 which is part of the cleaning roller holder 38 or is firmly connected to it.
  • This element 138 is arranged in an interior space 140 of the cleaning roller holder 38.
  • the cleaning roller 26 is also positioned in this interior space 140.
  • the element 138 is, for example, a rod which lies coaxially with the cleaning roller 26 and, for example, lies in an interior of the cleaning roller 36.
  • the cleaning roller 36 is designed in particular as a hollow roller.
  • an elastic device 142 which has a rubber spring 144 for generating the spring force 100.
  • This rubber spring 144 is in turn supported on the cleaning roller holder 38 and the sweeping element 66.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP15775721.2A 2014-10-13 2015-10-08 Flächen-reinigungsmaschine Active EP3206551B1 (de)

Priority Applications (1)

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PL15775721T PL3206551T3 (pl) 2014-10-13 2015-10-08 Maszyna do czyszczenia powierzchni

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014114776.6A DE102014114776A1 (de) 2014-10-13 2014-10-13 Flächen-Reinigungsmaschine
PCT/EP2015/073315 WO2016058907A1 (de) 2014-10-13 2015-10-08 Flächen-reinigungsmaschine

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EP3206551A1 EP3206551A1 (de) 2017-08-23
EP3206551B1 true EP3206551B1 (de) 2021-07-14

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EP15775476.3A Active EP3206550B1 (de) 2014-10-13 2015-10-09 Flächen-reinigungsmaschine

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EP (2) EP3206551B1 (zh)
CN (2) CN106793900B (zh)
DE (1) DE102014114776A1 (zh)
PL (2) PL3206551T3 (zh)
RU (2) RU2660525C1 (zh)
WO (2) WO2016058907A1 (zh)

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CN106793901B (zh) 2019-05-31
CN106793900A (zh) 2017-05-31
RU2661465C1 (ru) 2018-07-16
EP3206551A1 (de) 2017-08-23
EP3206550B1 (de) 2020-03-11
WO2016058907A1 (de) 2016-04-21
DE102014114776A1 (de) 2016-04-14
PL3206550T3 (pl) 2020-09-07
RU2660525C1 (ru) 2018-07-06
EP3206550A1 (de) 2017-08-23
US10362920B2 (en) 2019-07-30
WO2016058956A1 (de) 2016-04-21
CN106793900B (zh) 2020-02-11
US10327619B2 (en) 2019-06-25
CN106793901A (zh) 2017-05-31
PL3206551T3 (pl) 2022-01-10
US20170215677A1 (en) 2017-08-03
US20170215681A1 (en) 2017-08-03

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