EP3206551A1 - Machine de nettoyage de surfaces - Google Patents

Machine de nettoyage de surfaces

Info

Publication number
EP3206551A1
EP3206551A1 EP15775721.2A EP15775721A EP3206551A1 EP 3206551 A1 EP3206551 A1 EP 3206551A1 EP 15775721 A EP15775721 A EP 15775721A EP 3206551 A1 EP3206551 A1 EP 3206551A1
Authority
EP
European Patent Office
Prior art keywords
cleaning roller
sweeping element
cleaning machine
machine according
cleaning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15775721.2A
Other languages
German (de)
English (en)
Other versions
EP3206551B1 (fr
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/fr
Application granted granted Critical
Publication of EP3206551B1 publication Critical patent/EP3206551B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • 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
    • A47L9/0461—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 comprising a cleaning roller holder, a cleaning roller, which is arranged on the cleaning roller holder, a drive device for rotational drive of the cleaning roller, and a sweeping element which is associated with the cleaning roller and the cleaning roller feeds debris.
  • a cleaning device for cleaning a surface is known, which comprises a rotatable brush.
  • a rubber wiper member which is spaced from the brush and secured to an underside of a nozzle housing.
  • EP 0 186 005 A1 discloses a brush-type suction mouthpiece provided with wheels. From FR 2 797 895 a brush is known.
  • a method for the mechanical removal of dirt from a surface is known.
  • a ground dust collecting device is known, which has an electric motor drive, a dust collector and a cover and a brush. Due to its rotation, the brush conveys dust particles in a certain throwing direction, wherein associated with the brush there is provided a ramp which is orientated in the throwing direction and which can be deflected in the throwing direction.
  • a surface cleaning device which comprises a substantially continuous surface cleaning strip which extends over a lower side of a housing.
  • the invention has for its object to provide a surface cleaning machine of the type mentioned, with the result optimal cleaning results on a surface to be cleaned and in particular a hard surface to be cleaned.
  • the sweeping element is rotatably mounted on the cleaning roller holder. Due to the rotatable arrangement, the sweeping element is movable relative to the cleaning roller holder and thus also to the cleaning roller. It can thereby regardless of an angular position of the surface cleaning machine to the surface to be cleaned, when the cleaning roller is placed on the surface to be cleaned, achieve a constant distance between the rotating cleaning roller and the sweeping element.
  • 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 by the rotating cleaning roller.
  • the mobility of the sweeping element on the rotatability of the cleaning roller holder allows 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 relative to a longitudinal direction of the surface cleaning machine in relation to the surface to be cleaned. In this way, for example, a cleaning under furniture and the like can be achieved. This results in 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 rotationally fixed to 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.
  • an axis of rotation of the sweeping element is oriented at least approximately parallel and in particular coaxially to a rotation axis of the cleaning roller. This results in an optimized guidance of the sweeping element. It can occur over the exact parallelism angle offsets, for example, up to 20 ° or up to 10 ° due to uneven thickness of the sweeping element.
  • an elastic device which acts with a spring force on the sweeping element, wherein in particular the spring force pushes 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 drag effect for coarse dirt is achieved by the rotating cleaning roller.
  • the elastic means provides a restoring force so that in each angular position of the surface cleaning machine to the surface to be cleaned a substantially constant distance between a support line of the rotating cleaning roller and a support line of the sweeping element is present. This in turn results in an optimized cleaning result.
  • the elastic means is dimensioned such that by the weight of the surface cleaning machine, the sweeping element is rotatable against the spring force.
  • the weight of the surface cleaning machine then allows a repositioning of the sweeping element in dependence, for example, on an angular position of the surface cleaning machine.
  • the elastic device is dimensioned such that the sweeping element does not slide under the at least one cleaning roller due to the action of the spring force. This prevents lifting of the at least one cleaning roller caused by the sweeping element.
  • the elastic device is supported on the sweeping element and on the cleaning roller holder or a device connected to the cleaning roller holder and in particular articulated. As a result, a necessary restoring force can be achieved by the elastic device.
  • the elastic device comprises, for example, at least one coil spring or torsion spring or rubber spring or gas pressure spring in order to provide a corresponding spring force.
  • the elastic means comprises at least a first spring and a second spring which are spaced from each other, wherein between the first spring and the second spring, the drive means is at least partially positioned.
  • a uniform force application of the sweeping element can be achieved by a symmetrical arrangement.
  • a direction of rotation of the sweeping counter to the spring force in a clockwise direction and in particular is a direction of rotation of the sweeping element when the spring force moves this, counterclockwise.
  • Suction unit and at least one suction orifice is provided, which is fluid-effectively connected to the suction unit and which on the cleaning Roller is aligned for fluid suction on the cleaning roller. Due to the cleaning roller dirt can be taken, which is then sucked off via 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.
  • the surface cleaning machine is of a type in which, in a cleaning operation, it is placed or supported solely on the cleaning roller on a surface to be cleaned. It can thereby achieve good cleaning results with a simple structural design.
  • the corresponding surface cleaning machine can be designed to save weight and save space. This results in a high maneuverability; This makes it possible to machine-clean otherwise hard-to-reach areas.
  • the sweeping edge is movably arranged so that it can rotate on the cleaning roller holder, that at 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 Aufsetz Scheme the cleaning roller is at least approximately constant on the surface to be cleaned.
  • a constant entrainment of coarse dirt is achieved and there are optimized cleaning results.
  • 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 ° relative to a starting position (zero-degree position), wherein in the starting position the
  • Sweeping element with a sweeping edge is minimally deflected against the cleaning roller holder, that is slightly protrudes beyond the cleaning roller holder.
  • the starting position is defined, for example, by abutment against a blocking element.
  • the sweeping element has a sliding region for the sliding on the cleaning roller holder. This results in a structurally favorable guidance on the cleaning roller holder.
  • the sliding region has the shape of a cylinder shell or a part of a cylinder shell, in order to be able to realize in particular a circuit guide in a simple manner.
  • the cleaning roller holder has an inner side facing the cleaning roller on which the sliding portion of the reciprocating member is slidable. It can be provided that the sliding region is rigid and is designed so stiff that usually occurring dirt does not lead to bulging of the sliding region.
  • the sliding region is designed so flexible that it can be bulged away from the cleaning roller by dirt accumulations. It can then accumulate coarse dirt there. After a rotary movement of the sweeping this coarse dirt can be taken by the rotating cleaning roller. The rotational movement is in turn caused by a change in the angular position of the surface cleaning machine to the surface to be cleaned.
  • the sweeping element has a contact area (plant lip) and in particular an elastic contact area with an area to be cleaned. che, which is arranged in particular on a sliding portion of the sweeping element. This results in an optimized sweeping function for collecting coarse dirt, this coarse dirt is then in turn entrained by the rotating cleaning roller and is sucked.
  • a first guide device is arranged on the cleaning roller holder and on the sweeping element a second guide device is arranged, which cooperates with the first guide device for rotatably guiding the sweeping element on the cleaning roller holder.
  • the second guide device has guide elements arranged on end faces of the sweeping element, which guide elements 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 realized in a structurally simple manner. For example, a stop for defining a starting 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 arranged as a whole movable on the cleaning roller holder.
  • the sweeping away the forward direction covers the cleaning roller to the rear and is at least over on the surface to be cleaned a length of the cleaning roller applied.
  • a moistening device for the cleaning roller is provided. It can thereby moisten the rotating cleaning roller. It makes it easier to solve dirt on the surface to be cleaned and take along.
  • Figure 1 is a perspective view of an embodiment of a surface cleaning machine
  • Figure 2 is a perspective view of a roller portion of the surface cleaning machine according to Figure 1;
  • FIG. 3 shows a partial view of the roller area according to FIG. 2;
  • FIG. 4 shows a further partial representation of the roller area according to FIG.
  • Figure 5 is a perspective view of an embodiment of a sweeping element, which is arranged on the roller portion of Figure 2;
  • FIG. 6 shows a further perspective view of the roller area according to FIG. 2;
  • FIG. 7 shows a sectional view in the sectional area A according to FIG. 6;
  • Figure 8 is a plan view of the roller area in the direction B of Figure 6;
  • Figures 9 (a), (b) different angular positions of the surface cleaning machine against a surface to be cleaned with different rotational positions of a sweeping element;
  • FIG. 10 is a perspective view of the roller portion of another embodiment of a surface cleaning machine; and FIG. 11 shows a partial view of the roller area of another
  • Embodiment of a surface cleaning machine according to the invention Embodiment of a surface cleaning machine according to the invention.
  • the surface floor cleaning machine 10 comprises a device body 12 with a
  • Housing 14 In the housing 14 components of the surface floor cleaning machine 10 are arranged protected.
  • a suction unit 16 is arranged in the housing 14, which comprises a blower device and a motor device (in particular electric motor device) for driving the blower device.
  • a suction flow is generated via the suction unit 16 in order to effect a suction on a cleaning head 18.
  • a separator 20 is further arranged, which separates solid and liquid components in a suction flow. Furthermore, a tank means 22 for (sucked in) dirty liquid is arranged in the housing 14. The tank device 22 is in particular removably positioned on the housing 14.
  • the surface cleaning machine 10 comprises a moistening device 24, via which a cleaning roller 26 of the cleaning head 18 cleaning liquid (water or water with an additional cleaning agent) is provided.
  • a tank means 28 for cleaning liquid is arranged, which provides the humidifier 24 this cleaning liquid.
  • 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, at the end region of a handle 34 is seated.
  • the handle 34 is formed in particular as a bow handle. In the region of the handle 34 controls and in particular a switch for switching on or off of appropriate facilities 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 At a remote from the handle 34 end of the cleaning head 18 is positioned on the device body 12. It is for example arranged pivotably on the device body 12.
  • the cleaning head 18 includes a cleaning roller holder 38, on which the cleaning roller 26 is seated.
  • the cleaning roller 26 is associated with 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. In one embodiment, a portion of the drive device 40 is disposed in the housing 14 and a portion is disposed on the cleaning head 18.
  • the drive device 40 comprises in particular an electric motor. This provides a torque for rotational drive of the cleaning roller 26 about a rotation axis 42 ready.
  • this is placed over the cleaning roller 26 on the surface to be cleaned and is based solely on the cleaning roller 26 at this.
  • An operator holds the surface cleaning machine 10 on the handle 34, wherein the operator is in normal operation.
  • the operator can set an angular position of the surface cleaning machine 10 (an angular position of the support rod 32) to the surface to be cleaned. This is done via the angular positioning of the overall device 10 relative to the surface to be cleaned.
  • a pivot axis 44 for such an angular movement is formed by the abutment region of the cleaning roller 26 on a surface 46 to be cleaned.
  • a pivot axis 48 for a possible pivoting of the cleaning head 18 relative to the device body 12 is transverse to this pivot axis 44 and transverse to the axis of rotation 42nd
  • the cleaning roller 26 has a longitudinal axis 50. This longitudinal axis 50 is coaxial with the axis of rotation 42. In a cleaning operation of the surface cleaning machine 10, the longitudinal axis 50 is coaxial with the surface 46 to be cleaned.
  • the pivot axis 44 for pivoting the overall 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 indicated in Figure 2 by the reference numeral 52, provided with a trimming.
  • the cleaning head 18 (see also FIGS. 3 to 8) with the cleaning roller holder 38 is provided for the particular detachable connection to the device body 12. It comprises a nozzle 54 arranged on the cleaning roller holder 38, via which a pivotable mounting of the cleaning head 38 on the device body 12 is realized.
  • the moistening device 24 which is arranged in particular on the housing 14, lead one or more liquid lines 56 to the moistening device 24 of the cleaning head 18.
  • nozzles are arranged, via which the cleaning roller 26 can be acted upon with cleaning liquid.
  • cleaning liquid is not applied directly to the surface to be cleaned 46, but the cleaning roller 26 is moistened with their trim 52 and then the moistened cleaning roller 26 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-effective connection via one or more suction lines to the suction unit 16.
  • a suction port 60 (see Figure 7) is arranged, which is aligned with the cleaning roller 26.
  • the suction orifice 60 is in fluid-effective connection with the connection 58 and thus with the suction unit 16.
  • a negative pressure flow acts. This is sucked out dirt.
  • the suction orifice 60 has a first orifice wall 62 and a second orifice wall 64. Between these, the suction port 60 is formed with a corresponding orifice.
  • the first outlet wall 62 lies above the second outlet wall 64.
  • the first outlet wall 62 and / or the second outlet wall 64 abut against the trim 52 of the cleaning roller 26 or in particular protrude into it.
  • This embodiment is described in the non-prepublished international patent application PCT / EP2013 / 076445 of December 12, 2013, the same applicant. This document is incorporated by reference.
  • the cleaning head 18 has a sweeping element 66 which is associated with the cleaning roller 26.
  • the surface cleaning machine 10 is pushed forward in a forward direction 68 (see FIG. 1).
  • the cleaning roller 26 rotates clockwise 70.
  • a portion of the cleaning roller 26 is moistened by the moistening device 24 from contact with the surface 46 to be cleaned. This area then rotates toward the surface 46 to be cleaned. Dirt is dissolved. Due to the rotation of the cleaning roller 26 on the surface 46 to be cleaned, dirt is entrained and fed to the suction orifice 60. There can be a suction.
  • sweeping 66 can be "collected” coarse dirt, which was not taken directly by the cleaning roller 26, for example, and then be taken over the cleaning roller 26.
  • the sweeping element 66 is disposed on the cleaning roller holder 38. A translational transport of the sweeping element 66 via the fixation on the cleaning roller holder 38. Compared to the rotation of the cleaning roller 26, the sweeping element 66 is mechanically decoupled.
  • the sweeping element 66 covers a rear side of the cleaning head 18 in a cleaning operation, with the rear side lying in the opposite direction to the forward direction 68 behind the cleaning roller 26.
  • the sweeping element 66 extends at least and in particular substantially exactly over the length of the cleaning roller 26 in the longitudinal axis 50.
  • the sweeping element 66 is in normal operation on the surface 46 to be cleaned.
  • the sweeping element 66 is positioned in a normal operation between the surface 46 to be cleaned and the suction orifice 60.
  • the sweeping element 66 is rotatably supported on the cleaning roller holder 38.
  • An axis of rotation 71 (cf., for example, FIG. 3) for the rotatability of the sweeping element 66 on the cleaning roller holder 38 is parallel and in particular coaxial to the rotation axis 42 of the rotation of the cleaning roller 26.
  • the sweeping element 66 is guided in particular on a circular path.
  • the cleaning roller holder 38 is provided with a first guide means 72 for the sweeping element 66.
  • the first guide device 72 (FIGS. 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 (FIG. 5) has guide elements 78a, 78b arranged on end faces of the sweeping element 66.
  • the guide elements 78a, 78b each have an immersion region 80, for example in dovetail shape.
  • the first guide device 72 has assigned to the guide elements 78a, 78b respectively at end faces of the cleaning roller holder 38 guideways 82, in which the respective immersion region 80 is immersed. It is thereby realized a positive guidance (on a circular path) of the sweeping element 66 on the cleaning roller holder 38.
  • the drive device 40 comprises a transmission device 84. This in turn comprises a partial region 86 (FIGS. 2 to 4), which is arranged on the cleaning roller holder 38 facing the inner side 74. This region 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 by this.
  • the sweeping element 66 comprises a sliding region 94.
  • This sliding region 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 portion 94 abuts the inner side 74 of the cleaning roller holder 38 and slides on a rotary movement of the sweeping element 66 at this.
  • An abutment region 96 is seated on the sliding region 94 of the sweeping element 66.
  • the abutment region 96 forms an abutment lip on the surface 46 to be cleaned.
  • the abutment region 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 portion 94 can be made with such rigidity that no flexible deformation occurs in normal operation.
  • the sliding portion 94 is made flexible enough to allow buckling away from the cleaning roller 26 (counter to the forward direction 68). Such a bulge can be done by accumulation of dirt and may increase the cleaning effect under certain circumstances.
  • the sweeping element 66 is additionally supported on the cleaning roller holder 38 via an elastic device 98 (FIGS. 5 to 7).
  • the elastic device 98 provides a spring force 100, which endeavors to press the sweeping element 66 with the abutment region 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 tends to achieve maximum (rotational) deflection of the sweeping element 66 to the cleaning roller holder 38. This maximum rotation is limited by a stop.
  • a stop of the guide elements 78a, 78b on a corresponding stop element of the guide track 82 limits a further rotatability.
  • the spring force 100 of the elastic device 98 must be overcome.
  • the elastic device 98 is in particular designed such that the
  • Weight G of the surface cleaning machine 10 is sufficient to overcome the spring force. Furthermore, the elastic device is designed so that the sweeping element 66 does not push under the action of the spring force 100 under the cleaning roller 26 and lifts them. By appropriate dimensioning of the elastic device 98 so 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. This makes it possible to achieve an optimum sweeping result and thus a cleaning result 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 about 55 °.
  • a starting position (zero angle) is defined by minimum deflection.
  • a stop 102 is arranged on the sweeping element 66 (FIG. 8).
  • the cleaning roller holder 38 has a counter element 103 and when abutment of the stop 102 on the counter element 103, the starting position (0 ° -.
  • the elastic device 98 comprises a spring device 110, which is supported at one end 112 on the cleaning roller holder 38 and supported 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 immovably seated on the apparatus body 12, then the spring means 110 may also be supported on the apparatus body 12 at the end 112.)
  • the spring means 110 includes a first spring 116 and a second spring 118.
  • the first spring 116 and the second spring 118 are formed, for example, as helical springs.
  • the first spring 116 and the second spring 118 are spaced in a direction between end faces of the sweeping element 66.
  • the first spring 116 and the second spring 118 are arranged so that between them a part of the drive device 40 is guided to the region 86.
  • the divider 90 is located between the first spring 116 and the second spring 118.
  • a support element 120 is assigned to the cleaning roller holder 38 of the first spring 116 and the second spring 118, respectively.
  • a first housing part 122 is pivotally hinged to a pivot bearing 124.
  • a pivot axis of the pivot bearing 124 is parallel to the axis of rotation 71 of the sweeping element 66.
  • the first housing part 122 is, for example, cylindrical. At a bottom 126 of this first housing part 122, wherein this bottom 126 is closest to the pivot bearing 124, the corresponding spring 116 or 118 is supported via its end 112. Furthermore, a second housing part 128 is provided. This second housing part 128 is pushed sleeve-like manner on the first housing part 122.
  • the second housing part 128 is pivotally connected via a pivot bearing 130 to the sweeping element 66.
  • 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 71st
  • the second housing part 128 has a bottom 132, which the
  • Swivel bearing 130 is closest.
  • the corresponding spring 116 or 118 is supported on the bottom 132 via the end 114.
  • a housing is formed. In the interior of which the corresponding spring 116 or 118 is protected.
  • the surface cleaning machine 10 functions to clean 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 with one hand on the handle 34. He sets an angular position 106 of the surface cleaning machine 10 to the surface 46 to be cleaned. This angular position 106 can be varied (see FIG. 9 (b)), for example to perform a cleaning under a piece of furniture.
  • the surface cleaning machine 10 is started. It is a rotation of the cleaning roller 26 is actuated about the axis of rotation 42. This is driven by the drive device 40.
  • the suction unit 16 is actuated, which generates a suction flow, which acts on the cleaning roller 26 at the suction orifice 60. Further, a moistening of the cleaning roller 26 is actuated by the moistening device 24.
  • the cleaning roller 26 preferably rotates clockwise 70th
  • the wet cleaning roller 26 brings moisture to the surface 46 to be cleaned and it is thereby dissolved dirt.
  • the rotation of the cleaning roller 26 on the surface 46 to be cleaned causes a dirt entrainment by the cleaning roller 26.
  • an extraction takes place at the suction mouth 60.
  • the sweeping element 66 serves to collect coarse dirt, which was (initially) not taken away by the cleaning roller 26, and to provide it to the cleaning roller 26. This coarse dirt can then be taken through the cleaning roller 26 and sucked.
  • the sweeping element 66 rests with the sweeping edge 67 via a contact line 69 on the surface 46 to be cleaned.
  • the abutment region 96 bears against the surface 46 to be cleaned and ensures appropriate entrainment.
  • the sweeping element 66 is rotatably supported on the cleaning roller holder 38.
  • the sweeping element 66 is spring-loaded by the elastic device 98. This automatically ensures that at all angular positions 106 of the surface cleaning machine 10 to the surface to be cleaned 46, the sweeping element 66 rests with the contact area 96 on the surface 46 to be cleaned.
  • the spring force 100 of the elastic device 98 presses this contact region 96 with the sweeping edge 67 against the surface 46 to be cleaned.
  • the angle is reduced 106 (see Figure 9 (b)), then it can be moved by the rotational mobility of the sweeping element 66 this.
  • a movement takes place in the clockwise direction 104.
  • the weight G of the surface cleaning machine 10 is sufficient to overcome the spring force 100 accordingly.
  • a (light) pressure by the operator can provide for the movement.
  • a distance D between the abutment 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 independently of the angle 106.
  • the sweeping element 66 provides with a sweeping edge for sweeping up coarse dirt and a discharge via the cleaning roller 26 is ensured at each angular position 106.
  • the elastic device 98 causes with its spring force 100 a provision of the sweeping element 66, for example, if the angle for a
  • Angle position 106 is increased (transition from the position shown in Figure 9 (b) to the position shown in Figure 9 (a)).
  • Sweeping element 66 must be stiff. In a flexible embodiment, a bulge away from the cleaning roller 26 may be permitted. In a corresponding bulging area, coarse dirt can accumulate, in particular during lowering (reduction of the angle for the angular position 106). When lifting the surface cleaning machine 10 (increasing the angle of the angular position 106) then this accumulated coarse dirt can be removed.
  • the cleaning head is basically the same as described above.
  • the same reference numerals 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 means 134 comprises torsion springs 136 arranged on the front side on 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 a member 138, which is part of the cleaning roller holder 38 or is fixedly connected to it.
  • This element 138 is disposed in an inner space 140 of the cleaning roller holder 38. In this interior 140 and the cleaning roller 26 is positioned.
  • the element 138 is, for example, a rod which lies coaxially with the cleaning roller 26 and lies, for example, in an inner space of the cleaning roller 36.
  • the cleaning roller 36 is formed in particular as a hollow roller.
  • an elastic device 142 is provided, 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.
  • Second guide device a, b guide element

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

La présente invention concerne une machine de nettoyage de surface comprenant un porte-rouleau de nettoyage (38), un rouleau de nettoyage (26) disposé sur le porte-rouleau de nettoyage (38), un dispositif d'entraînement (40) pour entraîner en rotation le rouleau de nettoyage (26), et un élément de balayage (66) qui est associé au rouleau de nettoyage (26) et amène de la matière de balayage au rouleau de nettoyage (26), l'élément de balayage (66) étant monté rotatif sur le porte-rouleau de nettoyage (38).
EP15775721.2A 2014-10-13 2015-10-08 Machine de nettoyage de surfaces Active EP3206551B1 (fr)

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 (fr) 2014-10-13 2015-10-08 Machine de nettoyage de surfaces

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

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US (2) US10327619B2 (fr)
EP (2) EP3206551B1 (fr)
CN (2) CN106793900B (fr)
DE (1) DE102014114776A1 (fr)
PL (2) PL3206551T3 (fr)
RU (2) RU2660525C1 (fr)
WO (2) WO2016058907A1 (fr)

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Publication number Publication date
WO2016058907A1 (fr) 2016-04-21
EP3206550B1 (fr) 2020-03-11
RU2661465C1 (ru) 2018-07-16
PL3206550T3 (pl) 2020-09-07
EP3206550A1 (fr) 2017-08-23
CN106793900B (zh) 2020-02-11
US20170215681A1 (en) 2017-08-03
US10327619B2 (en) 2019-06-25
CN106793900A (zh) 2017-05-31
US20170215677A1 (en) 2017-08-03
CN106793901A (zh) 2017-05-31
DE102014114776A1 (de) 2016-04-14
CN106793901B (zh) 2019-05-31
US10362920B2 (en) 2019-07-30
EP3206551B1 (fr) 2021-07-14
WO2016058956A1 (fr) 2016-04-21
RU2660525C1 (ru) 2018-07-06
PL3206551T3 (pl) 2022-01-10

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