EP3206547A1 - Machine de nettoyage de surfaces - Google Patents

Machine de nettoyage de surfaces

Info

Publication number
EP3206547A1
EP3206547A1 EP15771987.3A EP15771987A EP3206547A1 EP 3206547 A1 EP3206547 A1 EP 3206547A1 EP 15771987 A EP15771987 A EP 15771987A EP 3206547 A1 EP3206547 A1 EP 3206547A1
Authority
EP
European Patent Office
Prior art keywords
suction
machine according
cleaning machine
surface cleaning
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
EP15771987.3A
Other languages
German (de)
English (en)
Other versions
EP3206547B1 (fr
EP3206547C0 (fr
Inventor
Fabian MOSER
Christoph RUFENACH
Johanna BUCHMANN
Andreas MÜLLER
Manuel SCHULZE
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
Priority claimed from DE102014114809.6A external-priority patent/DE102014114809A1/de
Priority claimed from DE102014114776.6A external-priority patent/DE102014114776A1/de
Priority claimed from DE102014114813.4A external-priority patent/DE102014114813A1/de
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Publication of EP3206547A1 publication Critical patent/EP3206547A1/fr
Application granted granted Critical
Publication of EP3206547B1 publication Critical patent/EP3206547B1/fr
Publication of EP3206547C0 publication Critical patent/EP3206547C0/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
    • A47L11/29—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
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/20—Floor surfacing or polishing machines combined with vacuum cleaning 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
    • 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
    • A47L11/28—Floor-scrubbing 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
    • A47L11/40—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
    • A47L11/4041—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
    • A47L11/40—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
    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating 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
    • 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
    • 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

Definitions

  • the present application claims priority to the German applications no. 10 2014 114 776.6, no. 10 2014 114 809.6 and no. 10 2014 114 813.4 of 13 October 2014.
  • the content of said German patent applications is incorporated by reference in its entirety and for all purposes.
  • the invention relates to a surface cleaning machine comprising a
  • Apparatus body on which a suction unit is arranged, a cleaning head, on which at least one cleaning roller is arranged, and a drive device for the rotating drive of the at least one cleaning roller.
  • a cleaning device for cleaning a surface which comprises a rotatable brush.
  • a rubber wiper member which is spaced from the brush and secured to an underside of a nozzle housing.
  • the invention has for its object to provide a surface cleaning machine of the type mentioned above, which provides extensive cleaning options with a simple structural design.
  • the cleaning head between a first end face and an opposite second end side has a first region, a second region and a central region lying between the first region and the second region, and that at least one first suction orifice is positioned on the first region of the at least one cleaning roller and at least one second suction orifice is positioned on the second region of the at least one cleaning roller, wherein the at least one first suction orifice and the at least one second suction orifice are fluidically connected to the suction device ,
  • one or more first suction orifices are associated with the first region, and one or more second suction orifices are associated with the second region.
  • the at least one cleaning roller can be driven in a rotational movement over the middle region.
  • a shaft, on which the at least one cleaning roller is seated can be connected to the torque through a torque effective manner with a drive motor through the central region.
  • a fan motor with a lower weight can be used in the solution according to the invention, a fan motor with a lower weight.
  • the surface cleaning machine can be operated easily.
  • a connection direction between the first end side and the second end side is parallel to a rotation axis of the at least one cleaning roller. It is particularly advantageous if a drive element and / or a shaft for the at least one cleaning roller is arranged at the central region, which or which torque-effective with the
  • the at least one cleaning roller is formed in two parts, with a first part, which on the first
  • Area is positioned, and a second part, which is positioned on the second area.
  • the first part protrudes towards the first end.
  • the second part of the cleaning roller protrudes toward the second end face.
  • first part and the second part are seated on a shaft which is positioned at the central area (and projects into the first area and the second area). This results in bilateral near-cleanability an optimized suction.
  • the at least one first suction orifice or an arrangement of a plurality of first suction orifices has a length parallel to a rotation axis of the at least one cleaning roller which has at least 80% of a corresponding length of the first part of the at least one cleaning roller and in particular substantially Length of the first part corresponds and / or that the at least one second suction orifice or an arrangement of a plurality of second suction orifices a length parallel to a rotation axis of the at least one Cleaning roller having at least 80% of a corresponding length of the second part of the at least one cleaning roller and in particular substantially equal to the length of the second part.
  • the at least one first suction orifice and the at least one second suction orifice are separated from one another in a fluid-efficient manner. As a result, a false air pulling largely prevent.
  • a separating element for the fluid-effective separation of the at least one first suction orifice and the at least one second suction orifice is arranged at the middle region.
  • the separator provides a fluid effective seal at the first region and at the second region and also between the first part and the second part.
  • the separating element can be arranged, for example, non-rotatably on the cleaning head. It is particularly advantageous if at least one first suction funnel, which has the at least one first suction orifice, and at least one second suction funnel, which has the at least one second suction orifice, is arranged on the cleaning head.
  • the suction funnels form elements which guide the corresponding suction flow from the suction mouth to a discharge connection.
  • At least one first suction tube is connected to the at least one first suction funnel and at least one second suction tube is connected to the at least one second suction funnel.
  • a suction tube device is designed in several parts and in particular in two parts. Separately, fluid can be removed from a first part and a second part of the at least one cleaning roller. It is favorable if the at least one first suction pipe and / or the at least one second suction pipe are formed at least in sections as a hose. This results in a flexibility that allows, for example, a pivoting of the cleaning head about a pivot axis.
  • the at least one first suction pipe and the at least one second suction pipe are spaced apart in a direction parallel to a rotation axis of the at least one cleaning roller. This results in particular in an optimized for a pivoting of the cleaning head leadership and space-saving leadership of the suction pipes. It is possible to achieve a simple design training.
  • the drive motor is positioned at a distance from the envelope plane.
  • a collecting pipe which has a connection for the fluid-effective connection to the suction unit, and which is connected to the at least one first suction pipe and the at least one second suction pipe.
  • the fluid streams in the at least one first suction pipe and the at least one second suction pipe are collected by the manifold. It then creates a "collective stream". This collecting stream is used by the suction unit device and in particular initially supplied to a separator device. This results in a simple structural design, since on or in the device body only a collecting stream must be coupled to the suction unit.
  • the manifold has a curved
  • the collecting pipe is at least partially and / or the connection to the device body or (in particular) a housing of the device body is positioned, or is positioned on the cleaning head or positioned at a transition from the cleaning head to the device body , It then results depending on the application an optimizable arrangement of the manifold or the connection.
  • a moistening device for moistening the at least one cleaning roller.
  • These allow the at least one cleaning roller to be moistened directly or indirectly with cleaning fluid (water or a mixture of water and cleaning agent). This results in an optimized cleaning effect. Dirt on the surface to be cleaned is softened by the liquid and can be better solved and taken away.
  • the moistening device has at least one nozzle which is arranged on the cleaning head.
  • the at least one cleaning roller is moistened directly by cleaning fluid from the at least one nozzle.
  • a unit which at least one first suction funnel with the at least one first suction port and at least one second suction funnel with the at least one second suction mouth, wherein the unit as a whole releasably attached to the
  • Cleaning head is fixable. By recessing the unit, a simple cleanability and maintenance can be achieved, in particular also for the replacement of the at least one cleaning roller.
  • the unit has a diaphragm which covers a section on the cleaning head. It can thereby keep the number of components low.
  • a part of a moistening device is arranged on the unit and, in particular, one or more nozzles are arranged on the unit and, in particular, one or more lines are arranged relative to the at least one nozzle.
  • This part of the moistening device with the unit can then be removed from the cleaning head. This results in good accessibility, for example, to a transmission device on the cleaning head and the at least one
  • a drive axis of a drive motor of the drive device and a rotation axis of the at least one cleaning roller are transverse and in particular perpendicular to each other.
  • the drive motor of the drive device can be arranged to save space on the surface cleaning machine. It can be arranged in particular at a transition between the device body and the cleaning head. This allows it to be positioned far down on the device to give a low center of gravity for the entire device. He can also be at least partially outside the
  • the drive motor can be transverse to the
  • the at least one cleaning roller can be spaced apart from the
  • Cleaning roller can be easily replaced. Furthermore, the contamination loading of the drive motor is reduced by a spacing from the at least one cleaning roller.
  • a transmission device To transmit the torque of the drive motor to the at least one drive roller, a transmission device is provided. This ensures an optimized circumferential speed of the at least one cleaning roller in a cleaning operation. Furthermore, a torque deflection can be achieved by a transmission device.
  • the cleaning head is pivotably mounted on the device body via a hinge about a pivot axis. Through the joint, a pivot position of the device body is variable to the cleaning head.
  • the pivotability may be a full rotation or there may be a restricted pivoting range of, for example, plus minus 90 degrees. With a restriction of the pivoting range results in a simplified structural design with respect to a wiring from the device body to the cleaning head, since the lines need not be subjected to complete rotation.
  • the pivot axis is oriented transversely to a longitudinal axis of the device body and in particular oriented at an acute angle to the longitudinal axis.
  • the acute angle is for example in the range between 20 ° and 30 ° and for example at about 25 °. It is advantageous if the drive motor of the drive device
  • the surface cleaning machine can be designed in a structurally simple manner, in particular as a floor cleaning machine (for cleaning hard floors).
  • the drive device with a heavy drive motor in particular electric motor
  • Positioning on the cleaning head basically increases the space requirement on the cleaning head.
  • the space at the joint is at least partially used to accommodate the drive motor of the drive device.
  • the drive motor can be positioned far below (close to the cleaning head) with respect to the direction of gravity, making optimum use of the available space.
  • the device body can be used to fix the drive motor.
  • the drive axis of the drive motor (the axis of a motor shaft of the drive motor) is at least approximately parallel or coaxial with the pivot axis. This results in a simple structural design.
  • the cleaning head is mounted pivotably about the drive motor. This results in extensive cleaning options with a simple design.
  • the hinge has an inner sleeve in which at least partially the drive motor is positioned, and has an outer sleeve which sits on the inner sleeve, and rotatably thereto
  • a separator device is arranged on the device body, which is associated with the suction unit.
  • the separator device can be separated from sucked dirt fluid liquid. This allows the suction unit
  • the surface cleaning machine is supported only on the at least one cleaning roller on a surface to be cleaned.
  • the total height can be varied over the surface to be cleaned. It is thereby possible, on the one hand, to carry out a simple adaptation to the height of an operator.
  • the surface cleaning machine with the at least one cleaning roller can be driven, for example, under a piece of furniture in order to carry out a cleaning operation under this piece of furniture.
  • FIG. 1 is a perspective view of an embodiment of a surface cleaning machine according to the invention; a side view of the surface cleaning machine of Figure 1;
  • Figure 3 is a front view of the surface cleaning machine according to
  • FIG. 1 A first figure.
  • Figure 4 is a sectional view taken along line 4-4 of Figure 3;
  • Figure 5 is a sectional view taken along lines 5-5 of Figure 3;
  • Figure 6 is an enlarged view of a front portion a
  • Figure 7 is an enlarged view of the area A of Figure 6 in a first position
  • Figure 8 is a similar view as Figure 7 in another
  • Figure 9 is a partial perspective view of a cleaning head of
  • Figure 10 is another view of the cleaning head without cleaning roller;
  • Figure 11 is a perspective view of another embodiment of a cleaning head with a fixed aperture;
  • Figure 12 is the same view as Figure 11 with the aperture removed;
  • FIG. 13 shows a sectional view of the cleaning head according to FIG. 11, wherein a fluid guide is indicated in the case of a suction;
  • Figure 14 is a sectional view as in Figure 13, wherein the position of a
  • Collection tube is indicated to a device body
  • FIG. 15 shows a variant of the cleaning head according to FIG. 11 with a different position of the collecting tube in comparison with FIG. 14;
  • FIG. 16 shows a further variant of a cleaning head in sectional view with corresponding positioning of a collecting tube
  • FIG. 17 shows another embodiment of a cleaning head in FIG.
  • FIG. 1 to 4 An embodiment of a surface cleaning machine according to the invention, which is shown in Figures 1 to 4 (and in Figures 5 to 10 in partial view) and designated therein by 10, is designed as a floor cleaning machine for hard floors.
  • the surface cleaning machine 10 comprises a device body 12 and a cleaning head 14.
  • the cleaning head 14 is arranged on the device body 12.
  • the surface cleaning machine 10 In a cleaning process on a surface 16 to be cleaned, the surface cleaning machine 10 is supported by a cleaning roller 18 on the surface 16 to be cleaned.
  • the device body 12 has a longitudinal axis 20 (FIGS. 2, 3).
  • the surface cleaning machine 10 is kept stubborn.
  • a rod 22 This rod 22 extends in the longitudinal axis 20.
  • a handle and in particular bow handle 24 is arranged. An operator can hold on one hand the surface cleaning machine 10 on this handle 24.
  • a switch 26 is arranged on the handle 24.
  • the surface cleaning machine 10 is switched on or off for a cleaning operation.
  • control of the surface cleaning machine 10 is such that by actuation of the switch 26 all necessary components for operation (generating a suction flow through a suction unit, rotation of the cleaning roller 18, moistening of the cleaning roller 18) are actuated and, accordingly, a switch-off on the switch 26 causes a synchronous turning off the operation of these components.
  • the rod 22 may be vertically displaceable (along the longitudinal axis 20) or fixedly arranged on the device body 12.
  • the device body 12 comprises a housing 28 in which components of the surface cleaning machine 10 are arranged protected.
  • a hook device 30 is arranged on the rod 12 between the housing 28 and the handle 24, to which a power cord by wrapping on the rod 22 is fixed.
  • the surface cleaning machine 10 comprises a suction aggregate device, indicated as a whole by 32.
  • This suction unit 32 is used for Generation of a suction flow in order to perform an extraction on the cleaning roller 18 can.
  • the suction unit 32 comprises a suction fan 34, which is arranged in the housing 28.
  • the suction fan 34 in turn has a motor and in particular an electric motor 36, which is likewise arranged in the housing 28.
  • the suction unit 32 is associated with a separator 38. This separates solids from liquid components in a suction stream.
  • the separator 38 is also disposed in the housing 28.
  • the separator 38 is assigned a tank means 40 for Schmutzitati- speed. This sits removably on the housing 28th
  • the cleaning fluid is especially water or a mixture of water and detergent.
  • the suction unit 32 is in fluid communication with (at least) a suction channel 44, which is guided by the suction fan 34 on the device body 12 through the housing 28 to the cleaning head 14.
  • the suction channel 44 has a first region 46 which is positioned in the housing 28.
  • a branch 48 which branches off to a second region 50 and a third region 52 of the suction channel 44, is seated in the housing 28 at the first region 46.
  • the first area 46 is thereby divided into two subchannels.
  • the second area 50 and the third area 52 are each led to the cleaning head 14.
  • the second region 50 and the third region 52 are each assigned (at least) a suction orifice 54, which is positioned on the cleaning head 14.
  • a trim 56 is arranged (see Figure 9). This stocking is for example a nonwoven material.
  • the (at least one) suction orifice has a first orifice wall 58 and a second, spaced orifice wall 60 (FIG. 5). Between the first mouth wall 58 and the second mouth wall 60, the respective suction mouth 54 is formed. The first mouth wall 58 lies above the second mouth wall 60 when the cleaning roller 18 is placed on the surface 16 to be cleaned. The first orifice wall 58 and / or the second orifice wall 60 abut against the trimming 56 of the cleaning roller 18 or protrude into the trimming 56.
  • a corresponding muzzle training is described in the non-prepublished international application PCT / EP2013 / 076445 of
  • the second area 50 and the third area 52 may be assigned their own suction orifice 54, or a common suction orifice may be provided for the second area 50 and the third area 52 of the suction channel 44.
  • This one suction mouth 54 then has two suction points over the second region 50 and the third region 52.
  • the suction unit 32 may also be designed without branches and comprise a plurality (in particular two) of suction channels (two first areas 46) which are arranged in the housing 28. These then continue into the second area 50 and the third area 52, respectively.
  • the cleaning head 14 is held on the device body 12 via a hinge 62 pivotally about a pivot axis 64 ( Figure 2, Figure 4).
  • the Pivot axis 64 is transverse to the longitudinal axis 20 of the device body 12. It lies in particular at an acute angle 66 ( Figure 2) to the longitudinal axis 20.
  • the acute angle 66 is in particular in the range between 15 ° and 35 °. In one embodiment, the acute angle 66 is about 25 °.
  • the pivot axis 64 is transverse and in particular perpendicular to a rotation axis 68 of the cleaning roller 18th
  • the cleaning roller 18 has a longitudinal axis 70.
  • the longitudinal axis 70 is in particular coaxial with the axis of rotation 68.
  • the pivot joint comprises an inner sleeve 72 (cf., for example, FIG. 4), which is arranged on the device body 12 at the acute angle 66 to the longitudinal axis 20, corresponding to the orientation of the pivot axis 64.
  • the cleaning head 14 has an outer sleeve 74, which sits on the inner sleeve 72.
  • a corresponding locking device ensures that the outer sleeve 74 with respect to the inner sleeve 72 in the direction of the pivot axis 64 is immovable.
  • the inner sleeve 72 has a cylindrical outer contour.
  • the outer sleeve 74 has a cylindrical inner contour.
  • the joint 62 is designed as a sliding joint via the rotatable mounting of the outer sleeve 74 on the inner sleeve 72.
  • a pivoting can be provided by a full 360 ° angle.
  • the pivotability is limited to a range of ⁇ 45 ° or ⁇ 90 °.
  • a line for the areas 50, 52 between the device body 12 and the cleaning head 14 is correspondingly formed elastically to a
  • a drive device 76 is provided for rotating drive of the cleaning roller 18.
  • the drive device 76 includes a drive motor 78.
  • This drive motor 78 is in particular an electric motor.
  • the drive motor 78 is positioned in the inner sleeve 72 of the hinge 62.
  • the drive motor 78 has a motor shaft 80.
  • the drive shaft 82 is parallel and in particular coaxial to the pivot axis 64.
  • the drive motor 78 is firmly seated in the inner sleeve 72 on the device body 12. He is doing at the transition from the device body 12 to the cleaning head 14, namely positioned on the hinge 62. He is accommodated to save space and is based on a focus of the surface cleaning machine 10 in the vicinity of the cleaning head 14th
  • the drive motor 78 is supplied with electrical energy, for example via mains current.
  • the drive axis 82 of the drive motor 78 and the axis of rotation 68 of the cleaning roller 18 are oriented transversely to each other and in particular oriented perpendicular to each other.
  • a transmission device 84 is provided for transmitting torque from the drive device 76 to the cleaning roller 18.
  • the transmission device 84 includes a speed reducer 86.
  • the speed reducer 86 serves to reduce a speed compared to the speed of the motor shaft 80.
  • the drive motor 78 is, in particular, a standard electric motor having, for example, a speed on the order of 7000 revolutions per minute.
  • the speed reducer 86 provides for a reduction of the speed to, for example, about 400 revolutions per minute.
  • the speed reducer 86 is particularly arranged directly on the drive motor 78, d. H. arranged next to this. It can still be arranged in the inner sleeve 72 or already on the cleaning head 14. In one embodiment, the speed reducer 86 is formed as a planetary gear.
  • the transmission device 84 further has an angle gear 88.
  • This bevel gear 88 provides a torque deflection to cause a drive of the cleaning roller 18 with the axis of rotation 68 transverse to the drive axis 82 of the drive motor 78.
  • the angle gear 88 is in particular the speed reducer 86 downstream.
  • the angle gear 88 has one or more gears that are non-rotatably coupled to a corresponding shaft of the speed reducer 86. These act on a bevel gear to
  • the cleaning head 14 has a first end face 90 and an opposite second end face 92 (see, for example, FIG. 10). Extending between the first end face 90 and the second end face 92 is a housing 94 of a cleaning roller holder 96. This housing 94 partially surrounds a cleaning roller 18 in the form of a half shell, the wraparound being such that the cleaning roller 18 bears a significant amount Proportion stands out for a cleaning process.
  • a sweeping element 98 is rotatably mounted on the housing 94 of the cleaning roller holder 96, wherein this sweeping element 98 serves for the entry of coarse dirt for entrainment by the cleaning roller 18.
  • a cleaning head 14 with a corresponding sweeping element 98 is disclosed in German Patent Application No. 10 2014 114 776.6 of Oct. 13, 2014 described by the same applicant. This document is expressly and fully incorporated by reference.
  • a drive element 102 is arranged in a central region 100 of the cleaning roller holder 96 between the first end face 90 and the second end face 92. This drive element 102 is torque-effectively connected to the drive device 76.
  • the drive element 102 is torque-effectively coupled to the angle gear 88 via a belt 104.
  • the drive element 102 is spaced from the angle gear 88.
  • the belt 104 bridges this distance and causes a drive of the drive element with rotation about the axis of rotation 68.
  • a first pin 106 is arranged rotationally fixed to the first end face 90.
  • a second pin 108 is arranged in a rotationally fixed manner.
  • the cleaning roller 18 (for example, Figure 9) is formed in two parts with a first part 110 which is non-rotatably mounted on the first pin 106, and a second part 112 which is non-rotatably mounted on the second pin 108.
  • the first part 110 points to the first end face 90.
  • the second part 112 points to the second end face 92.
  • a gap 114 is formed between the first part 110 and the second part 112.
  • This gap 114 is relatively narrow and has a much smaller width than a length of the cleaning roller 18 in the longitudinal axis 20. In the gap 114 of the belt 104 is guided.
  • the belt 104 is set back relative to an outer side of the cleaning roller 18, even with respect to a position in which the stocking 56 is compressed.
  • the surface cleaning machine 10 comprises a moistening device 116 for the cleaning roller 18 (in particular FIGS. 6 to 8).
  • the humidifier comprises (at least) a pressure-controlled switch 118.
  • This pressure-controlled switch 118 is movable. (This is indicated by the double arrow 120 in FIGS. 7 and 8.)
  • the pressure-controlled switch 118 comprises a movable membrane 122, on which, for example, a blocking element 124 is integrally seated. About the mobility of the diaphragm 122 and the locking element 124 is movable.
  • the membrane 122 has a first surface 126. This first surface 126 is in pressure-effective connection with the suction channel 44 and thereby with the second region 50 and the third region 52. The pressure prevailing in the second region 50 (or the third region 52) is applied to the first surface 126. In a cleaning operation of the surface cleaning machine 10, due to the suction flow, this pressure is a negative pressure relative to the exterior space 128 outside the surface cleaning machine 10.
  • the membrane 122 Opposite the first surface 126, the membrane 122 has a second surface 130.
  • the membrane 122 is in fluid communication with a plenum 132.
  • the plenum 132 may receive cleaning fluid.
  • the collecting chamber 132 is in fluid communication with the tank means 42 for cleaning liquid via a line 134.
  • the line 134 is guided from the tank device 42 through the device body 12 to the cleaning head 14. It is designed so flexible that it does not hinder a pivoting (in particular within a finite pivoting range) of the cleaning head 14 on the device body 12 about the hinge 62.
  • a plurality of pressure-controlled switches 118 are arranged on the cleaning head 14.
  • the cleaning head 14 comprises two pressure-controlled switches 118.
  • a pressure-controlled switch 18 is connected to the second area 50 in a pressure-effective manner and another pressure-controlled switch 118 is connected to the third area 52 in a pressure-effective manner.
  • the line 134 leads at a connection 136 (which in particular is a T-piece) into a distribution line 138.
  • the distribution line 138 in turn opens at a first connection point 140 and at a second connection point 142 into the housing 94. Behind the first connection point 140 and the second connection point 142, an associated pressure-controlled switch 118 is arranged in each case.
  • the manifold 138 forms the plenum 132. Between the manifold 138 and the tank means 42 is at the
  • a check valve 139 is arranged. This is especially manually operable. Through the check valve 139, a fluid-effective connection between the tank means 42 and a fluid inlet of a pressure-controlled switch 118 can be blocked.
  • more than two pressure-controlled switches 118 can be provided with corresponding connection points and collecting spaces, wherein a collecting space can also be assigned to a plurality of switches 118, or only a single pressure-controlled switch 118 with only one collecting space 132 can be provided.
  • the cleaning roller 18 Relative to a normal mode of operation in which the cleaning roller 18 is supported on the surface 16 to be cleaned, an operator of the surface cleaning machine 10 stands on the surface 16 to be cleaned while holding the surface cleaning machine to the handle 24, the handle 24 being covered is positioned in the direction of gravity g above the surface 16 to be cleaned, the cleaning liquid tank 42 is positioned above the cleaning head 14. This allows cleaning fluid from the Tank means 42 pump-free to the cleaning head 14 are promoted, namely driven by gravity (if the check valve 139 is open).
  • the collecting space 132 in cooperation with the pressure-controlled switch 118, is designed such that cleaning liquid is constantly present in the collecting space 132 (provided the blocking valve 139 is open).
  • the second surface 130 faces into a space 144 which is in pressure-effective communication with the exterior space 128.
  • an apparent and closeable fluid path 146 is formed. Depending on the position of the pressure-controlled switch 118, liquid can flow from the collecting space 132 into the space 144. Depending on the position of the blocking element 124, this fluid path 146 is blocked or opened.
  • a pressure difference between the second surface 130 and the first surface 126 is present or absent.
  • Opposite the blocking element 124 is a wall 148, which has a contact surface 150 for the blocking element 124.
  • the blocking element 124 abuts the abutment surface 150 and the fluid path 146 is locked; the corresponding plenum 132 and the space 144 are fluidly separated.
  • the barrier member 124 lifts off the abutment surface 150 and the fluid path 146 is released. From the collecting space 132 and thus from the tank means 42 cleaning liquid can flow into the space 144. In a cleaning operation of the surface cleaning machine 10, in which there is a suction flow in the suction channel 44 and thus in the second region 50 and third region 52, there is a corresponding negative pressure on the first surface 126, which is a lifting of the blocking element 124 of the abutment surface 150 causes and holds the locking element 124 in this raised position.
  • the off position is an open position of the pressure controlled switch 118.
  • the pressure-controlled switch 118 has a rear-part device which, when the pressure difference between the first surface 126 and the second surface 130 is below the threshold value, brings about a return of the blocking element 124 to the closed position with engagement of the blocking element 124 on the abutment surface 150 ,
  • the rear part device is formed by means of the inherent elasticity of the membrane 122.
  • the transition from the open position to the closed position or vice versa of the pressure-controlled switch 118 is directly linked to the operation of the suction fan 34; the necessary vacuum for moving and Holding the diaphragm 122 in the open position is effected by the suction flow generated by the suction unit 32.
  • the pressure-controlled switch 118 and in particular a plurality of pressure-controlled switches 118 is assigned a distributor 152.
  • the distributor 152 serves to distribute cleaning liquid to the cleaning roller 18 and in particular to supply it with liquid over the length of the cleaning roller 18.
  • the distributor 152 is formed as a groove 154.
  • the channel 154 receives cleaning fluid to a certain level. She can collect cleaning fluid.
  • the groove 154 extends parallel to the longitudinal axis 70 of the cleaning roller 18 and thus parallel to the axis of rotation 68th
  • the channel 154 is associated with an outlet opening device 156, which extends in particular over the entire length of the cleaning roller 18.
  • the outlet opening device 156 forms one or more nozzles for moistening the cleaning roller 18.
  • the groove 154 is formed in a half-shell shape. It thus has over its entire length a discharge opening 158 for cleaning fluid.
  • the manifold 152 with the groove 154 can collect cleaning liquid. It is formed by an intermediate buffer for cleaning fluid. Cleaning Liquid does not necessarily flow directly to the fluid path 146 of the cleaning roller 18, but is collected accordingly in the channel 154.
  • An angular position of the surface cleaning machine 10 to the surface 16 to be cleaned is indicated in Figure 1 by the reference numeral 160.
  • This angular position 160 can vary.
  • the surface cleaning machine 10 is supported by the cleaning roller 18 on the surface 16 to be cleaned.
  • a support region 162 of the cleaning roller 18 on the surface 16 to be cleaned forms a pivot axis for a variation of the angular position 160.
  • the channel 154 is arranged so that, when a certain pivoting angle of the angular position 160 is reached, cleaning fluid from the channel 154 can flow directly to the cleaning roller 18 (FIG. 8).
  • FIG. 7 shows a position of the distributor 152 with respect to the direction of gravity g, in which the outlet opening device 156 is at a higher gravitational potential than the channel 154.
  • FIG. 8 shows a position in which the outlet opening device 156 is at a lower gravitational potential than the channel 154.
  • cleaning liquid can flow directly from the groove 154 of the cleaning roller 18 and apply cleaning liquid to it.
  • the liquid supply to the cleaning roller 18 is gravitationally controlled by the angular position 160.
  • the angular position 160 is in turn set by manual operation of the operator. Depending on whether a certain minimum pivot angle for the angular position 160 is reached, a cleaning agent is applied to the cleaning roller 18 or not. This is determined by the height distance in the direction of gravity between the outlet port direction 156 and the groove 154.
  • one or more gap channels 162 are arranged between the space or spaces 144 and the outlet opening direction 156 to form one or more nozzles. Cleaning fluid from the channel 154 has to pass through a corresponding gap channel 162 in order to be able to reach the cleaning roller 18.
  • a gap channel 162 is in particular designed with dimensions such that a capillary effect for the flow of cleaning liquid occurs. Such a capillary effect promotes uniform distribution of cleaning fluid over the entire length of the cleaning roller 18.
  • the nip channel 162 extends substantially the entire length of the cleaning roller 18.
  • a trim 56 of the cleaning roller 18 is located near the outlet opening direction 156 with individual fibers of the gap channel 162 during the rotation of the cleaning roller 18 at. As a result, a (low) vacuum is generated at the manifold 152, which entrains cleaning liquid. Furthermore, cleaning liquid is drawn out of the gap channel 162 by the capillary action of fibers of the stocking. This ensures a uniform loading of the cleaning roller 18 with cleaning fluid.
  • the supply of cleaning fluid to the cleaning roller 18 is formed pump-free.
  • the pressure controlled switch 118 is directly coupled to a suction flow effect of the suction fan 34. There is thus no additional control and in particular electronic control for a moistening of the cleaning roller 18 necessary. In particular, none
  • An embodiment of a cleaning head which is shown in FIGS. 11 to 14 and designated therein by 202, comprises a
  • Cleaning roller holder 204 which is formed substantially the same as the above-described cleaning roller holder 96.
  • the cleaning roller holder 204 includes a holding body 206. At this a cleaning roller is held.
  • the cleaning roller is the same as the cleaning roller 18 described above.
  • Like reference numerals are used for like elements.
  • the cleaning roller 18 has correspondingly a first part 110 and a second part 112.
  • the cleaning roller 18 is rotatable about an axis of rotation corresponding to the axis of rotation 68.
  • the cleaning head has a first end face 208 and a second end face 210. These are spaced apart in a longitudinal direction parallel to the axis of rotation 68 to each other.
  • first face 208 and the second face 210 form a respective lateral outer end of the cleaning head 202.
  • the cleaning head 202 has, on the cleaning roller holder 204 in the region of the cleaning roller 18, a first region 212, which is assigned to the first part 110 of the cleaning roller 18. Furthermore, the cleaning head 202 has a second region 214, which is associated with the second part 112 of the cleaning roller 18. The first region 212 and the second region 214 follow one another in a longitudinal direction parallel to the axis of rotation 68. At the first region 212, the first end face 208 is formed and at the second region 214, the second end face 210 is formed.
  • a shaft 218 is arranged at the central region 216.
  • the first part 110 of the cleaning device is non-rotatably attached to the first end side 208. supply roller 18, and to the second end face 210 towards the second part 112 of the cleaning roller 18th
  • the shaft 218 forms a drive element corresponding to the drive element 102 as described above.
  • the shaft 218 is connected to a drive motor corresponding to the drive motor 78 in a torque-effective manner.
  • the drive motor 78 is seated on the cleaning head 202.
  • the torque transmission from the drive motor 78 to the cleaning roller 18 is basically the same as described above. For identical elements, therefore, the same reference numerals are used.
  • a speed reducer is provided and a corresponding transmission device 84, which the
  • Gear elements 220 includes.
  • the torque on the rotatable cleaning roller 18 is transmitted by the drive motor 78 via the central region 216 of the cleaning head 202.
  • the cleaning roller 18 is preferably configured to extend in the first region 212 to the first end face 208 to an outer end and also extends in the second region 214 to the second end face 210 to an outer end.
  • the first part 110 of the cleaning roller 18 is associated with a first suction port 222 positioned.
  • the second part 112 of the cleaning roller 18 associated with a second suction port 224 is positioned.
  • the first suction mouth 222 is arranged on a first suction funnel 226.
  • the second suction mouth 224 is arranged on a second suction funnel 228.
  • the first suction funnel 226 and the second suction funnel 228 are, for example, plastic parts which are fixed to the cleaning head 202.
  • a length L (see Figure 13) of the first suction port 222 in a direction parallel to the axis of rotation 68 is at least 80% of
  • corresponding length of the first part 110 of the cleaning roller 18 and preferably corresponds substantially to an overall length of the first part 110 of the cleaning roller 18 in this longitudinal direction.
  • the first suction funnel 226 with the first suction mouth 222 serves for fluid suction on the first part 110 of the cleaning roller 18.
  • the second suction funnel 228 with the second suction mouth 224 serves for fluid suction on the second part 112 of the cleaning roller 18.
  • the first suction orifice 222 and the second suction orifice 224 are fluidically separated from one another in order to at least minimize "false air pulling" of the respective suction orifice 222 or 224 from the other suction orifice 224 or 222.
  • a separating element 230 is arranged on the middle region 226 for this purpose.
  • the separating element 230 is located centrally between the first part 110 and the second part 112 of the cleaning roller 18. It is in particular non-rotatably arranged on the cleaning head 202.
  • the separating element 230 projects through a gap 232 between the first part 110 and the second part 112 of the cleaning roller 18 in one
  • the first suction funnel 226 has a first port 236. At this a first suction pipe 238 is connected.
  • the first suction tube 238 may be a rigid tube or at least in sections as a flexible tube
  • the second suction funnel 228 has a second connection 240. At this a second suction pipe 242 is connected.
  • the second suction pipe 242 is basically the same design as the first suction pipe 238.
  • the first suction funnel 226 and the second suction funnel 228 taper in their cross-sectional area from the corresponding first suction orifice 220 to the first connection 236 or from the second suction orifice 224 to the second connection 240.
  • the taper occurs at least in one direction, which is parallel to the axis of rotation 68.
  • a taper can also be done in a transverse direction thereto. (The transverse direction is perpendicular to the plane of the drawing in FIG.
  • a bridge element 244 At the bridge element 244, the first suction tube 238 and the second suction tube 242 are fixed.
  • a first counterpart 246 for the first connection 236 is arranged on the bridge element 244. Accordingly, at the bridge element 244, a second counterpart 248 for the second
  • the suction funnel 226 can be coupled fluid-tightly via the first connection 236 and the first counterpart 246, and the second suction funnel 228 can be coupled in a fluid-tight manner via the second connection 240 of the second suction funnel 228 and the second counterpart 248.
  • the unit 250 includes a shutter 252 which is releasably fixable to the cleaning roller holder 204.
  • the diaphragm 252 has corresponding abutment surfaces on counter-elements of the cleaning roller holder 204.
  • the first suction funnel 226 and the second suction funnel 228 are fixedly positioned. With a decrease in the aperture 252, the first suction funnel 226 and the second suction funnel 228 are mitabêt.
  • the first connection 236 and the first counterpart 246 as well as the second connection 240 and the second counterpart 248 are designed in relation to one another such that an attachability when fixing the diaphragm 252 to the cleaning roller holder 204 with the production of a fluid-tight connection possible is and, accordingly, a decrease in releasing this connection between the first terminal 236 and the first counterpart 246 and with the second terminal 240 and the second counterpart 248 is possible.
  • a part of the moistening device 116 is preferably arranged as described above, so that this part can be mitab chorus and also cleaned in a simple manner.
  • the wall 148 as described above and thus also the channel 154 is positioned on the unit 250.
  • the unit 250 allows for removability as a whole and thus good access, in particular for cleaning and, for example, also for replacement of the cleaning roller 18.
  • the first suction pipe 238 and the second suction pipe 242 are parallel to the longitudinal direction (connecting direction) between the first end sides 208 and the second end face 210 of the cleaning head 202 spaced from each other. Between these is a (suction pipe-free) space.
  • the first suction pipe 238 and the second suction pipe 242 have a
  • a projection of the drive motor 78 to the envelope level 254 is at least partially in the open space between the first suction tube 238 and the second suction tube 242. This results in a space-saving design.
  • the drive motor 78 is spaced from the envelope plane 254. As a result, a pivotability about the pivot axis 64 is not impeded, in particular, by the suction tubes 238, 242.
  • the first suction pipe 238 and the second suction pipe 242 are through a
  • the manifold 256 has a bent portion 258. At the bent portion 258 sits in particular centrally with respect to the first suction tube 238 and the second suction pipe 242 a connection 260. In the manifold 256, the flow paths in the first suction pipe 238 and the second suction pipe 242 merged, so that only a single port 260, which sits in particular in the apex region of the bent portion 258, is necessary to the corresponding tube from the first inlet tube 238, second suction tube 242 and manifold 256 fluidly effective to the suction unit 32 and thereby in particular to the To connect separator 38.
  • the tube device is designed so that it allows pivoting of the cleaning head 202 about the pivot axis 64. As mentioned above, this is achieved, for example, by virtue of the fact that the first suction pipe 238 and the second suction pipe 242 are designed as flexible hoses, at least in one subregion. In one exemplary embodiment (FIG. 14), the manifold 256 and the connection 260 are arranged at a transition region 262 from the cleaning head 202 to the device body 12 or a housing 264 of the device body 12.
  • the collecting tube 256 it is also possible (FIG. 15) for the collecting tube 256 to be arranged completely or in sections on the device body 12 and in particular in a housing 264 of the device body 12. In particular, the terminal 260 is completely positioned in the housing 264.
  • the corresponding cleaning head which is designated 202 'in FIG. 15, has the same design as the cleaning head 202. It is also possible (FIG. 16) for a cleaning head 202', which is otherwise identical to the cleaning head 202 Collecting tube 256 'on the cleaning head 202' is arranged.
  • a connection 260 'then ensures a fluid-effective connectivity to the suction unit 32 on the device body 12. It is then also possible in principle that the connection 260' is likewise arranged on the cleaning head 202 "and then a corresponding tube from the connection 202" to the Device body 12 leads.
  • first suction openings 266a, 266b is assigned to the first area 212
  • second suction openings 268a, 268b are assigned to the second area 214.
  • a plurality of suction funnels 270a, 270b are arranged on the first region 212, the suction funnel 270a having the suction orifice 266a and the suction funnel 270b having the suction orifice 266b.
  • suction funnels 272a, 272b are arranged on the second region 214, the suction funnel 272a having the suction orifice 268a and the suction funnel 272b having the suction orifice 268b.
  • the first suction mouths 266a, 266b are separated from each other by a wall between the suction funnels 270a, 270b.
  • the wall may be common to the suction funnels 270a, 270b, or each of these suction funnels 270a, 270b may have their own wall facing the other suction funnel. Accordingly, the formation of the suction funnels 272a, 272b may be.
  • a first suction tube 238 and a second suction tube 242 are provided. (The same reference numerals are used for the same elements.)
  • a first terminal 236 and a second terminal 240 are correspondingly assigned to them.
  • the suction funnels 270a, 270b open into the first connection 236.
  • the suction funnels 272a, 272b open into the second connection 240.
  • the cleaning roller 18 can be trained and positioned so that it extends to the end faces 208, 210. As a result, when operating the surface cleaning machine 10, cleaning close to the edge can be achieved.
  • the cleaning head 202 or 202 'or 202 is preferably formed with respect to the Saugstrom Insert mirror-symmetrical to a center plane which is transverse to the axis of rotation 68 at the central region 216.
  • the surface cleaning machine 10 functions as follows:
  • the surface cleaning machine 10 is supported on the cleaning surface 18 on the surface 16 to be cleaned.
  • An operator stands on the surface to be cleaned 16 behind the surface cleaning machine 10 and holds it, for example, one-handed to the handle 24th
  • the operator may perform a forward thrust in the forward direction 164.
  • the suction fan 34 In a cleaning operation, the suction fan 34 generates a suction flow, which in the suction channel 44 and thus in the areas 46, 50 and 52 causes a negative pressure relative to the outer space 128.
  • the drive motor 78 generates a torque, which is transmitted to the cleaning roller 18 via the transmission device 84. This is driven in rotation. It is driven in particular in a counterclockwise direction (indicated in Figure 1 by the reference numeral 166) rotating. It is provided in particular that the cleaning roller 18 with a peripheral speed in the range between 0.9 m / s and 1.2 m / s and in particular with a peripheral speed greater than 0.92 m / s and in particular less than 1.15 m / s is driven.
  • the cleaning roller 18 has a trim 56 which is compressible.
  • the trim 56 is in particular made of a textile material.
  • the circumferential speed as mentioned above does not refer to a maximum diameter of the cleaning roller 18, but to a diameter when the stocking 56 is compressed, for example, by the weight of the surface cleaning machine 10.
  • a too low peripheral speed causes a pure unrolling of the surface cleaning machine on the surface 16 to be cleaned without sufficient cleaning effect. Too large peripheral speed causes a splash of cleaning fluid.
  • peripheral speeds are in particular designed for an operating speed (forward speed) of the operator of approximately 0.9 m / s.
  • the cleaning roller 18 is moistened with detergent from the tank means 42.
  • This fluid admission is pump-free and in particular free of magnetic valves.
  • cleaning liquid flows from the tank means 42 to the collecting space or chambers 132.
  • the tank means In an embodiment in which the tank means is seated on the cleaning head, the tank means itself can form a collecting space.
  • the pressure-effective connection to the one or more pressure-controlled switches 118 provides for opening the fluid path or passages 146.
  • Cleaning fluid may then collect in the manifold 152 and from there the Apply cleaning roller 18. It is provided for a uniform application over substantially the entire length of the cleaning roller 18 along the longitudinal axis 70. By capillary action by means of one or more gap channels 162, the uniform distribution can be supported.
  • An operator can set by setting the angular position 160, whether from the manifold 152 cleaning fluid flows to the cleaning roller 18 or not. This adjustment is gravity-controlled, depending on whether the outlet port means 156 is positioned above or below the trough 154 with respect to the direction of gravity, with capillary forces across the nip channel 162 and a vacuum effect due to fibers of the liner 56 contacting the outlet port means 156, if necessary.
  • first suction ports 222 and 266a, 266b and second suction ports 224 and 268a, 268b there are provided for the first part 110 and the second part 112 of the cleaning roller 18 separate first suction ports 222 and 266a, 266b and second suction ports 224 and 268a, 268b. It is thus possible to provide a central drive for the rotational movement of the cleaning roller 18, that is a torque can be effectively coupled via the central region 216 of the cleaning roller holder 204 become.
  • the extraction for the first area 212 and the second area 214 takes place via separate suction openings 222 or 224 (or corresponding to 266a, 266b or 268a, 268b). This can be cleaned on both sides close to the edge.
  • a suction channel device is formed in two parts via the first suction tube 238 and the second suction tube 242.
  • the first suction tube 238 is assigned to the first region 212 and the second suction tube 242 to the second region 214.
  • the suction unit 32 can be formed with reduced power requirements. Furthermore, an improved separation result is achieved.
  • Fluid can flow past the drive motor 78 laterally through the first suction tube 238 and the second suction tube 242.
  • the manifold 256 or 256 'then provides for a collected fluid discharge to the suction unit 32 out.
  • the device body 12 is pivotable relative to the cleaning head 14 about the pivot axis 64 in the pivoting range.
  • the relatively heavy drive motor 78 is arranged far below in the vicinity of the cleaning head 14 and at least partially positioned on the hinge 62 in a space-saving manner. It can be at least partially positioned outside of the cleaning head 14 (spaced from the cleaning roller 18). About the sweeping element 98 coarse dirt sweeping, which is then entrained by the cleaning roller 18.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Cleaning In General (AREA)
  • Manufacturing Of Printed Wiring (AREA)

Abstract

L'invention concerne une machine de nettoyage de surfaces, qui comprend un corps d'appareil (12), sur lequel est agencé un système de groupe d'aspiration (32), une tête de nettoyage (202 ; 202' ; 202"), sur laquelle est agencé au moins un rouleau de nettoyage (18), et un dispositif d'entraînement (76) servant à entraîner en rotation le ou les rouleaux de nettoyage (18). La tête de nettoyage (202 ; 202' ; 202") comporte, entre une première face frontale (208) et une deuxième face frontale opposée (210), une première partie (212), une deuxième partie (214), et une partie centrale (216) placée entre la première partie (210) et la deuxième partie (214). Au moins une première bouche d'aspiration (222 ; 266a, 266b) associée est positionnée sur la première partie (212) du ou des rouleaux de nettoyage (18), et au moins une deuxième bouche d'aspiration (224 ; 268a, 268b) associée est positionnée sur la deuxième partie (214) du ou des rouleaux de nettoyage (18), la ou les premières bouches d'aspiration (222 ; 266a, 266b) et la ou les deuxièmes bouches d'aspiration (224 ; 268a, 268b) étant en communication fluidique avec le système de groupe d'aspiration (32).
EP15771987.3A 2014-10-13 2015-10-05 Machine de nettoyage de surfaces Active EP3206547B1 (fr)

Applications Claiming Priority (4)

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DE102014114809.6A DE102014114809A1 (de) 2014-10-13 2014-10-13 Flächen-Reinigungsmaschine mit Befeuchtungseinrichtung
DE102014114776.6A DE102014114776A1 (de) 2014-10-13 2014-10-13 Flächen-Reinigungsmaschine
DE102014114813.4A DE102014114813A1 (de) 2014-10-13 2014-10-13 Flächen-Reinigungsmaschine und Verfahren zum Betreiben einer Flächen-Reinigungsmaschine
PCT/EP2015/072929 WO2016058856A1 (fr) 2014-10-13 2015-10-05 Machine de nettoyage de surfaces

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EP3206547A1 true EP3206547A1 (fr) 2017-08-23
EP3206547B1 EP3206547B1 (fr) 2023-11-29
EP3206547C0 EP3206547C0 (fr) 2023-11-29

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EP (1) EP3206547B1 (fr)
CN (1) CN106793910B (fr)
PL (1) PL3206547T3 (fr)
RU (1) RU2671397C1 (fr)
UA (1) UA118498C2 (fr)
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RU2671397C1 (ru) 2018-10-30
UA118498C2 (uk) 2019-01-25
US20170215679A1 (en) 2017-08-03
WO2016058856A1 (fr) 2016-04-21
PL3206547T3 (pl) 2024-04-15
CN106793910B (zh) 2019-09-13
US10349797B2 (en) 2019-07-16
CN106793910A (zh) 2017-05-31
EP3206547B1 (fr) 2023-11-29
EP3206547C0 (fr) 2023-11-29

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