EP4193898A1 - Machine de nettoyage du sol dotée d'un dispositif séparateur - Google Patents

Machine de nettoyage du sol dotée d'un dispositif séparateur Download PDF

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Publication number
EP4193898A1
EP4193898A1 EP23150816.9A EP23150816A EP4193898A1 EP 4193898 A1 EP4193898 A1 EP 4193898A1 EP 23150816 A EP23150816 A EP 23150816A EP 4193898 A1 EP4193898 A1 EP 4193898A1
Authority
EP
European Patent Office
Prior art keywords
cleaning roller
floor
cleaning
wall
suction channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23150816.9A
Other languages
German (de)
English (en)
Inventor
Alexander BRÄNDLE
Manuel SCHULZE
Fabian MOSER
Moritz IRION
Swen SORGENFREI
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=49841645&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP4193898(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Priority to EP23150816.9A priority Critical patent/EP4193898A1/fr
Publication of EP4193898A1 publication Critical patent/EP4193898A1/fr
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—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
    • A47L11/34—Machines for treating carpets in position by liquid, foam, or vapour, e.g. by steam
    • 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
    • A47L11/26—Floor-scrubbing machines, hand-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
    • A47L11/02—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
    • A47L11/29—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
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—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
    • A47L11/408—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
    • 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
    • A47L5/24—Hand-supported suction cleaners
    • 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
    • A47L9/32—Handles
    • A47L9/322—Handles for hand-supported suction cleaners

Definitions

  • a brush device that can be connected to a water pipe is known, in which a brush roller that is water-permeable in the jacket area is rotatably mounted on a perforated hollow axis that can be charged with water.
  • a device for treating a surface which has a wiping device with a rag-like wiping element that can be guided over the surface to be cleaned, a moistening device for moistening the wiping element, and a suction device for sucking off the wiping element.
  • the object of the invention is to provide a floor cleaning machine of the type mentioned at the outset which, while being easy to handle, delivers an optimized cleaning result.
  • the first mouth wall can rest against the bristles or protrude into them and the second mouth wall can rest on the bristles of the at least one cleaning roller or be at a distance from them or protrude into them or, if the second mouth wall bears against the bristles or protrude into them, it can the first muzzle wall rests against or protrudes into the trimming, or is spaced apart.
  • the first mouth wall rests against the bristles or protrudes into it and a direction of rotation of the at least one cleaning roller is such that first a specific point of the at least one cleaning roller is guided past the second mouth wall and then the first mouth wall. If the second mouth wall is in contact with the bristles or protrudes into it, a direction of rotation is such that a specific point of the at least one cleaning roller is first moved past the first mouth wall and then the second mouth wall.
  • an abutment is disposed at the mouth which abuts against or projects into the trim and which projects transversely from the first or second mouth wall, there being a fluid seal between the abutment and the respective mouth wall.
  • the contact element increases the area in which it bears or protrudes into the bristles, and greater fluid tightness is achieved, with suction being improved in turn.
  • the contact element forms (in cross section) a type of beak which protrudes away from the first orifice wall or the second orifice wall.
  • the at least one cleaning roller is guided past the contact element during rotation.
  • the contact element faces the at least one cleaning roller and has a curved contour which is adapted to the at least one cleaning roller.
  • the contour has a circular contour that is adapted to a corresponding circular contour of the at least one cleaning roller.
  • a configuration for reducing the resulting negative pressure at the first end compared to the second end can be such that the abutment element is made sufficiently long, an increased friction surface then being provided.
  • the contact element has a first area with the first end and a second area with the second end, the distance between the contact element in the first area and an axis of rotation of the at least one cleaning roller being greater than in the second area.
  • the negative pressure that occurs in the area of the first end can be reduced in comparison to the area at the second end, and the risk of a liquid short circuit is reduced.
  • This configuration can be achieved in a simple manner by a corresponding surface design of the contact element facing the at least one cleaning roller.
  • the investment element stepped on the corresponding surface, in particular the step has a smooth course (without sharp edges).
  • the second mouth wall is arranged in front of the first mouth wall in relation to a direction of rotation of the at least one cleaning roller.
  • a specific area on the cleaning roller is first guided past the second outlet wall and then the first outlet wall.
  • this direction of rotation is advantageous when cleaning out of a room with the corresponding floor cleaning machine.
  • a distance between an end face of the first mouth wall and an axis of rotation of the at least one cleaning roller is smaller than a distance between an end face of the second mouth wall and the axis of rotation.
  • the mouth opening of the at least one mouth has at least approximately a rectangular cross section. This allows the cleaning roller to be vacuumed from the outside over a large area, resulting in effective dirt extraction.
  • the at least one suction channel tapers towards a separator device.
  • a type of funnel is arranged on the suction channel in order to enable effective suction of dirt from the cleaning roller.
  • a large cross-sectional area can be provided at the mouth and in the further course of the at least one suction channel up to the taper, which is favorable in terms of flow technology. The flow rate can be increased due to the narrowing in the vicinity of the separator device.
  • At least one cleaning liquid container is provided, which is in fluid communication with the at least one cleaning roller, with cleaning liquid being provided on the at least one cleaning roller, in particular via an interior space of the at least one cleaning roller.
  • the cleaning roller and in particular its bristles can be moistened and a wiping function can be implemented with the floor cleaning machine.
  • Corresponding cleaning liquid is made available via the cleaning liquid container.
  • the cleaning liquid container is arranged in particular in a detachable manner on the floor cleaning machine.
  • the at least one cleaning liquid container is arranged on a user holding unit. As a result, it can be effectively positioned on the floor cleaning machine and positioned above the at least one cleaning roller with respect to the direction of gravity.
  • the fan device is arranged on the carrier device and/or the suction channel device is arranged on the carrier device. This results in a simple structural design.
  • the suction channel device comprises a housing in which the at least one suction channel is arranged or formed.
  • the housing can be used, for example, to accommodate a dirty liquid container and/or a separator device. It can also be used, for example, to accommodate a battery device and, in particular, a rechargeable battery device.
  • an elastic device by which the suction channel device is pressed elastically against the at least one cleaning roller, the elastic device being or comprising a spring device in particular. This makes it easy to achieve that the first and/or second mouth wall rests against the stocking of the at least one cleaning roller or is pressed into it. This corresponding functionality is ensured at least up to a certain threshold even if the trimming is worn down.
  • the elastic device is supported on the carrier device via a first side.
  • the carrier device then forms a mounting surface for the elastic device.
  • the elastic device prefferably supported on a first side on the blower device or a separator device.
  • the fan device or separator device then forms a mounting surface for the elastic device.
  • the elastic device is supported on the suction channel device via a second side. As a result, a corresponding prestressing force is exerted directly on the suction channel device, which presses it with the first mouth wall against the bristles.
  • the elastic device is also possible for the elastic device to be supported on the fan device or the separator device via a second side, with the fan device or the separator device being connected to the suction channel device, with the connection being a direct connection or a force-fit connection.
  • the suction channel device is then pressed against the trimmings via the fan device or the separator device, either directly or by means of a frictional connection.
  • a dirty liquid container is provided, which is assigned to a separator device. This allows dirty cleaning liquid to be collected. Air is separated from liquid and solid components in a suction flow in a separator device.
  • the dirty liquid container is arranged on the suction channel device. This results in a compact structure and flow paths can be minimized.
  • a user holding unit is arranged on the carrier device, which is arranged in particular so that it can pivot on a joint. An operator can then operate the floor cleaning machine in a simple manner and can also operate it with one hand, for example. He can push or pull them and work a larger area of land while minimizing changes of location.
  • a pivot axis of the joint is parallel to an axis of rotation of the at least one cleaning roller. This results in easy operability.
  • the user's holding unit comprises a wand device, for example with a wand on which a handle is attached. This results in a compact structure with simple operability.
  • the floor cleaning machine is supported on the floor only via the at least one cleaning roller and is characterized in particular by a design that is free of support wheels. This results in a compact structure.
  • the entire weight of the floor cleaning machine can be supported by the at least one cleaning roller.
  • a training wheel-free design avoids abrasion marks on the floor to be cleaned.
  • a direction of rotation of the at least one cleaning roller is from a line of contact with the floor to be cleaned towards the second mouth wall and then towards the first mouth wall and in particular the direction of rotation is clockwise when the at least one cleaning roller is placed on the floor . This allows it effective operation in which the floor cleaning machine is led out of a space to be cleaned.
  • the at least one cleaning roller is provided with grooves for generating air pulses in a suction flow.
  • Short air pulses can be generated by grooves and in particular spaced-apart grooves, which are rotated through the orifice at which the suction flow is present. Dirt that has adhered to the edging and in particular the textile edging of the cleaning roller can be carried along via this. This allows an effective cleaning effect to be achieved.
  • a groove is formed in particular by an area that is free of trimmings or has a reduced trimmings, in order to be able to bring about corresponding air pulses in the suction flow.
  • a groove can have any shape, such as a slot shape or a cylindrical shape.
  • a plurality of spaced apart grooves is provided, which are spaced apart in an axial direction of the at least one cleaning roller and in a circumferential direction of the at least one cleaning roller.
  • a groove can have a rectangular cross section or a circular cross section, for example. Other groove shapes are also possible.
  • a groove in particular with a rectangular cross section
  • a groove in particular with a rectangular cross section
  • At least one sweeping lip is arranged on the suction channel device.
  • a sweeping function can be implemented via the at least one sweeping lip.
  • the at least one sweeping lip is then arranged and designed in such a way that coarse dirt is carried along between the at least one sweeping lip and the at least one cleaning roller by the at least one cleaning roller and is fed to the at least one mouth. This means that coarse dirt can also be vacuumed off.
  • the at least one sweeping lip separates a space behind the at least one cleaning roller and below the suction channel device toward the floor to be cleaned from the at least one cleaning roller when the at least one cleaning roller is placed on the floor. This allows a sweeping function to be implemented and coarse dirt to be taken away and removed.
  • the at least one sweeping lip is arranged and/or designed to be movable and, in particular, is designed to be elastic. This allows it to be placed effectively on the floor to be cleaned in order to take coarse dirt with it.
  • an air supply device is provided, through which air is supplied to the at least one cleaning roller.
  • the suction power can no longer be sufficient due to a lack of air supply to the mouth.
  • the supply air device ensures that there is sufficient supply air to enable effective extraction even if there is a sweeping lip.
  • the air supply device comprises at least one duct with an outlet-side opening for supply air, which is aligned towards the at least one cleaning roller, with the at least one duct for supply air being arranged or formed on the suction duct device in particular. In this way, supply air is supplied to the mouth for the suction flow in a relatively direct manner in order to enable effective suction.
  • the at least one outlet-side opening for supply air is arranged between the at least one opening for the suction flow and the at least one sweeping lip. This results in effective suction even when a sweeping function is implemented.
  • the at least one duct has at least one opening on the inlet side for supply air, via which supply air can be coupled in.
  • This supply air is taken from the environment, for example, or it is process exhaust air or exhaust air from the blower device.
  • the at least one inlet-side orifice is arranged on an underside of the suction channel device and is arranged in particular on or in the vicinity of one end of the suction channel device assigned to the at least one cleaning roller. In this way, a supply air supply can be achieved with a simple constructive design.
  • the at least one channel is routed along the suction channel device. In this way, for example, supply air can be provided by the blower device.
  • the at least one duct is then routed to the blower device.
  • exhaust air from the fan device or cooling air from the fan device can then be used as supply air.
  • An embodiment of a floor cleaning machine as in the figures 1 and 2 shown in an overall view and denoted there by 10, is a hand-held and hand-held floor cleaning machine.
  • This comprises a carrier device 12.
  • the carrier device 12 is designed as a frame 14.
  • This frame 14 has a first frame bar 16 and a second frame bar 18 .
  • the second frame rod 18 is oriented transversely and in particular perpendicularly to the first frame rod 16 and is fixed to the first frame rod 16 .
  • the first frame rod 16 and the second frame rod 18 span a plane. On the first frame rod 16 sits an element 20 which protrudes beyond this level.
  • the element 20 supports a joint 22 on which a rod assembly 24 is seated.
  • the wand means 24 comprises a single wand.
  • the rod device 24 is held on the carrier device 12 so that it can pivot about a pivot axis 26 via the joint 22 .
  • the pivot axis 26 is at least approximately parallel to the first frame rod 16.
  • a handle 28 is seated at one end of the rod device 24, which is opposite the end via which the rod device 24 is fixed to the joint 22.
  • the handle 28 comprises a closed bracket 30 Grip element 32.
  • One or more switches 34 for switching on or off a cleaning operation of the floor cleaning machine 10 are located on the handle 28.
  • the rod device 24 with the handle 28 forms a user holding unit, via which a user can hold and guide the floor cleaning machine 10 .
  • the rod device 24 has such a length that a standing user of the floor cleaning machine 10 who is standing on the floor to be cleaned can guide and operate the machine without having to bend down.
  • the rod device 24 is designed in such a way that its length and in particular the distance between the handle 28 and the joint 22 can be adjusted in a lockable manner. This makes it possible to adapt to different users.
  • a cleaning roller 36 is seated on the second connecting rod 18 in the region of a front end of the carrier device 12 .
  • the cleaning roller 36 can be driven in rotation about an axis of rotation 38 .
  • a drive is provided for this purpose, for example, which is positioned in an interior space of the cleaning roller 36 .
  • the axis of rotation 38 is in particular parallel to the pivot axis 26.
  • a fan device 40 is also seated on the carrier device 12.
  • the fan device 40 generates a suction flow.
  • a suction channel device 42 is arranged on the carrier device 12 between the blower device 40 in the cleaning roller 36 .
  • the suction channel device 24 provides a fluidic connection between the cleaning roller 36 and the fan device 40 in order to be able to discharge the suction flow generated by the fan device 40 away from the cleaning roller 36 .
  • a drive 44 and in particular an electric motor drive 44 is assigned to the blower device 40 . This is also positioned on the carrier device 12 .
  • the blower device 40 is assigned a separator device 46, by means of which an air component can be separated from a residual component (liquid with dirt particles) in the suction flow.
  • the separator device 46 is connected upstream of the blower device 40 in the suction flow. It is positioned in particular on the suction channel device 42 .
  • the separator device 46 in turn is assigned a dirty liquid container 48 in which dirty liquid can be accommodated.
  • the Dirty liquid container 48 is arranged in particular in a detachable manner on the carrier device 12 and in particular on the suction channel device 42, so that it can be emptied and/or cleaned in a simple manner.
  • the floor cleaning machine 10 includes a cleaning fluid reservoir 52.
  • the cleaning fluid reservoir 52 is disposed on the wand assembly 24 and is particularly removably disposed for refilling.
  • One or more liquid lines 53 lead from the cleaning container 52 to the cleaning roller 36.
  • the suction channel device 42 is the "mediating" unit between the blower device 40 and the cleaning roller 36.
  • the suction flow is carried through it in order to carry out a separation in the separator device 46 and to separate an air component from a residual component.
  • the suction flow basically contains air as a "carrier medium", with the corresponding low-pressure flow being produced by the blower device 40, and a liquid component and a solid component.
  • the cleaning roller 36 is moistened via cleaning liquid (in particular water, if appropriate with additives) from the cleaning tank 52, as will be explained in more detail below. As a result, cleaning liquid can be applied to the floor 50 to be cleaned and dirt adhering to the floor can be softened. Liquid and loosened dirt or dirt particles that have not been loosened are sucked in and fed through the suction channel device 42 to the separator device 46 .
  • the cleaning roller 36 comprises (see for example figure 9 ) a hollow roller 54 with an interior space 56. On the hollow roller 54 sits a trimming 58, in particular made of a textile material.
  • the inside of the cleaning roller 36 is moistened.
  • Cleaning fluid is supplied to the interior 56 of the hollow roller 44 via the line 53 .
  • the hollow roller 54 is provided with corresponding openings towards the facing 58 . As a result, cleaning liquid can escape and moisten the trimming 58 and thus in turn be applied to the floor 50 .
  • the cleaning roller 52 can be placed, and in particular pushed, via the hollow roller 54 with the interior space 56 onto a rotationally driven shaft which is seated on the carrier device 12 .
  • the cleaning roller 36 can be fixed in a rotationally fixed manner on this shaft.
  • the suction channel device 42 comprises at least one suction channel 60 (cf. figure 9 ). This suction channel 60 is arranged in the suction channel device 42 and leads from the cleaning roller 36 to the blower device 40.
  • the blower device 40 with the drive 44 sits firmly on the carrier device 12 and in particular on the first frame rod 16 .
  • a drive 62 for the cleaning roller 36 is firmly fixed on the second link rod 18 .
  • a gear for torque transmission to the shaft for the cleaning roller 36 is arranged.
  • the drive 62 and the fan device 40 with the drive motor 44 form a unit which is firmly seated on the carrier device 12 .
  • a pipe 64 leads from the suction channel device 42 from a connection 66 on the suction channel device 42 to a corresponding connection of the blower device 40.
  • Pipe bends 68a and 68b are seated on the pipe 64 in each case.
  • the pipe 64 and the pipe bends 68a, 68b are outside of the suction channel device 42 and the blower device 40 is arranged. They are arranged, for example, on a side which is opposite the drive 62 .
  • the suction channel device 42 is designed as a housing 70 .
  • the at least one suction channel 60 can be arranged in a protected manner in this housing 70 .
  • the dirty liquid container 48 and the separator device 46 can be positioned in the housing in a protected manner.
  • the suction channel 60 has an orifice 72 (see, for example, figures 4 and 9 ) which is open to the cleaning roller 36.
  • the cleaning roller 36 is sucked off on an outside via this opening 72 and the suction stream is coupled into the suction channel 60 and thus into the suction channel device 42 .
  • the mouth 72 comprises a first mouth wall 74 and a second mouth wall 76. Between the first mouth wall 74 and the second mouth wall 76 a mouth opening 78 is formed.
  • the first mouth wall 74 is an upper mouth wall in relation to the second mouth wall 76.
  • first mouth wall 74 and the second mouth wall 76 are spaced transverse walls 75a, 75b.
  • the first mouth wall 74 has an end face 80a.
  • the second mouth wall has an end face 80b (cf. figure 9 ).
  • the end faces 80a and 80b are at least approximately straight and parallel to one another. In particular, the end faces 80a and 80b are parallel to the axis of rotation 38.
  • the mouth opening 78 has a rectangular cross-section and preferably extends over the entire length of the cleaning roller 36 on which a trimming 58 is arranged.
  • a height of the orifice 78 (the distance between the first mouth wall 74 and the second mouth wall 76 at the mouth opening 78) is smaller than a diameter of the cleaning roller 36 and is, for example, at most 10% of the diameter of the cleaning roller 36.
  • the mouth opening 78 is arranged in a fourth quadrant 82 with respect to the cleaning roller 36 when the floor cleaning machine 10 is placed in an operative operating mode on the floor 50 and is supported by the cleaning roller 36 and a coordinate system is correspondingly defined which has axes parallel and perpendicular to the Floor 50 has and in which the center runs through the point of intersection of the axis of rotation 38 .
  • the first mouth wall 74 rests against the trimming 58 of the cleaning roller 36 or protrudes into it.
  • an exemplary embodiment is shown in which the first muzzle wall 74 protrudes into the edging 58 .
  • the end face 80a of the first mouth wall 74 rests against the edging 58 or is immersed in the edging 58 ( figures 4 and 9 ).
  • the second muzzle wall 76 rests against the trimming 58; the end face 80b touches the trimming 58 without protruding into it.
  • the orifice opening 78 is set back with respect to the end face 80b in relation to the cleaning roller 36 with the edging 58, that is to say that the end face 80b is spaced apart from the edging 58 or protrudes into the edging 58.
  • the suction channel 60 leads from the mouth 72 to the connection 66.
  • a contact element 200 is arranged at the mouth 72 .
  • This contact element 200 is arranged in one embodiment on the first muzzle wall 74, wherein a Fluid tightness between the first mouth wall 74 and the contact element 200 is made.
  • the contact element 200 points transversely away from the first mouth wall 74 .
  • the contact element 200 protrudes into the trimming 58 of the cleaning roller 36. It dips into the trimming 58 with a lower area.
  • the immersion area is a sub-area of contact element 200.
  • a contour 202 of the contact element 200 is adapted to the cleaning roller 36 .
  • the contour 202 which faces the cleaning roller 36 is curved with the same curvature as the cleaning roller 36.
  • the contact element 200 ensures improved fluid coupling into the orifice 72.
  • a contact element 204 is provided, which sits on the first muzzle wall 74 and projects transversely away from it.
  • This contact element 204 has a first end 206 which is at a distance from the first mouth wall 74 . It also has a second end 208 which lies at the mouth 72 and thus lies against the mouth wall 74 .
  • the contact element 204 extends between the first end 206 and the second end 208.
  • the abutment element 204 is not uniform in height (in cross-section) between the first end 206 and the second end 208 . It has a first region 210 on which the first end 206 lies. This first area 210 merges into a second area 212 and, in particular, merges continuously, the second end 208 lying in the second area 212 .
  • An underside 214 of the contact element 204 has a first area 210 greater distance from the axis of rotation 38 of the cleaning roller 36 than at the second area 212.
  • the contact element 200 or 204 there is a negative pressure on the contact element 200 or 204 .
  • the negative pressure in the area of the first end 206 is reduced in comparison to the negative pressure in the area of the second end 208 due to the design with the first area 210 and the second area 212 . This improves the suction effect, since in particular the risk of a liquid short-circuit (liquid being drawn out in the region of the first end 206) is reduced.
  • the contact element 200 or the contact element 204 favorably have a length (between the first end 206 and the second end 208) which is greater than a corresponding opening length of the mouth 72.
  • a contact element 216 is arranged on the first muzzle wall 74 . This is completely immersed in the stocking 58 of the cleaning roller 36 .
  • This contact element 216 has a first area 220 on a first end 218 and has a second end 222 on the first mouth wall 74 which is formed on a second area 224 .
  • the contact element 216 facing the cleaning roller 36 is at a greater distance from the axis of rotation 38 than in the second area 224.
  • both the first area 220 and the second area 224 are completely immersed in the edging 58 .
  • the suction channel 60 tapers in an area towards the separator device 46 . It is thereby formed a type of funnel 83 on the separator device 46, on the one hand an effective suction over the entire To obtain trimming length of the cleaning roller 36 and on the other hand to increase the flow rate for entry into the separator device.
  • the cleaning roller 36 is driven in rotation with a direction of rotation 84 .
  • the rotation of the cleaning roller 36 and the operation of the blower device 40 are switched simultaneously via the switch 34 .
  • the corresponding drive 62 for the rotation of the cleaning roller 36 and the drive 44 receives its drive energy, for example, from a rechargeable battery device, which is arranged, for example, in the housing 70 of the suction channel device 42 (not shown in the figures), or from mains power.
  • the direction of rotation 84 is such that a line of contact 86 ( Figure 5(a) ) of the cleaning roller 36 on the floor 50 rotates away from the floor 50 towards the mouth 72.
  • the direction of rotation 84 is such that, in relation to this, the second mouth wall 76 lies in front of the first mouth wall 74 .
  • the direction of rotation 84 when the cleaning roller 36 is placed on the floor 50 in proper operation is a clockwise rotation for a user standing up on the floor 50 .
  • the direction of rotation is in the opposite direction to the direction of rotation 84, that is, the rotation is counterclockwise.
  • the second mouth wall 76 bears against the trimming 58 or protrudes into it.
  • the first mouth wall 74 can then abut against the trim 58 of this be spaced or protrude into it.
  • dirt is picked up, the cleaning roller 36 then rotates from the second quadrant to the first quadrant and from there to the fourth quadrant and suction takes place at the mouth 72.
  • a rotational speed of the cleaning roller 36 is in particular in the range between approximately 200 revolutions per minute and 400 revolutions per minute.
  • the pressing weight on the cleaning roller 36 is, for example, of the order of around 6 kg.
  • the elastic device 90 is formed by a spring device, for example with one or more spiral springs or spiral springs.
  • the correspondingly elastic device 90 is supported on the fan device 40 .
  • An outlet-side orifice 118 is basically again arranged as above with reference to the exemplary embodiment according to FIG figure 9 described.
  • the groove is shown with a rectangular cross section.
  • the corresponding groove as a recess in trimming 58 can also have a different shape. For example, it can have a circular cross-section or another cross-sectional shape.
  • the grooves 122 are distributed uniformly on the cleaning roller 36 in relation to the circumferential direction 128 and the axial direction 126 in order to largely prevent dead areas with regard to the entrainment of dirt.
  • the length of a groove 122 in the axial direction 126 is at most 10% of the length of the cleaning roller 36 with trimming 58 in this axial direction 126.
  • the cleaning roller 36 is moistened from the inside with cleaning liquid from the cleaning liquid container 52, the covering 58 being moistened. Suction takes place at the mouth 72 through the suction channel device 42 on an outside of the cleaning roller 36.
  • the rotational speed of the cleaning roller 36 is set in such a way that water droplets are largely prevented from being thrown off the cleaning roller 36 .
  • the sweeping lip 96 provides a sweeping function for particles that are not directly entrained by the cleaning roller 36 .
  • the cleaning roller 36 is a wiping roller.
  • the sweeping lip 96 ensures that coarse dirt also reaches the mouth 72 by being carried along by the cleaning roller 36 .
  • the cleaning roller 36 rests on the floor 50 .
  • the highest contact pressure prevails at a contact line and the largest amount of cleaning liquid is provided there, which in turn can soften dirt on the floor 50 .
  • the pressing force outside of this line of contact 86 is correspondingly lower and the cleaning liquid concentration is then also lower. Subsequent drying can then take place on the floor 50 via the cleaning roller 36 .
  • the entire weight of the device rests on the cleaning roller 36 during a cleaning process.
  • the cleaning roller 36 is structured over the grooves 122 . As a result, when the suction flow passes through, short air pulses occur at the mouth 72 in order to be able to entrain dirt that has gotten caught on the trimming 58 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
EP23150816.9A 2013-12-12 2013-12-12 Machine de nettoyage du sol dotée d'un dispositif séparateur Pending EP4193898A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23150816.9A EP4193898A1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage du sol dotée d'un dispositif séparateur

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP20200459.4A EP3795055B1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage des sols
EP13811154.7A EP3079553B1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage des sols
PCT/EP2013/076445 WO2015086083A1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage des sols
EP23150816.9A EP4193898A1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage du sol dotée d'un dispositif séparateur

Related Parent Applications (3)

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EP20200459.4A Division-Into EP3795055B1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage des sols
EP20200459.4A Division EP3795055B1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage des sols
EP13811154.7A Division EP3079553B1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage des sols

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EP4193898A1 true EP4193898A1 (fr) 2023-06-14

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EP13811154.7A Active EP3079553B1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage des sols
EP23150332.7A Pending EP4190219A1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage de sol
EP23150816.9A Pending EP4193898A1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage du sol dotée d'un dispositif séparateur
EP23150893.8A Pending EP4193899A1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage de sol avec lèvre de balayage
EP20200459.4A Active EP3795055B1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage des sols
EP23150701.3A Active EP4186406B1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage de sol avec dispositif à barre

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EP23150332.7A Pending EP4190219A1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage de sol

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EP20200459.4A Active EP3795055B1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage des sols
EP23150701.3A Active EP4186406B1 (fr) 2013-12-12 2013-12-12 Machine de nettoyage de sol avec dispositif à barre

Country Status (6)

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US (4) US9999332B2 (fr)
EP (6) EP3079553B1 (fr)
CN (2) CN108903776B (fr)
DE (2) DE202013012694U1 (fr)
RU (1) RU2671396C1 (fr)
WO (1) WO2015086083A1 (fr)

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US20200390310A1 (en) 2020-12-17
EP4190219A1 (fr) 2023-06-07
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EP3079553A1 (fr) 2016-10-19
DE202013012694U1 (de) 2018-07-20
EP3795055A1 (fr) 2021-03-24
US20160278597A1 (en) 2016-09-29
EP3795055B1 (fr) 2024-01-24
EP4193899A1 (fr) 2023-06-14
EP4186406A1 (fr) 2023-05-31
US20220296067A1 (en) 2022-09-22
EP3079553B1 (fr) 2021-02-17
WO2015086083A1 (fr) 2015-06-18
RU2671396C1 (ru) 2018-10-30
US11457790B2 (en) 2022-10-04
US20180263453A1 (en) 2018-09-20
US10786130B2 (en) 2020-09-29
CN108903776A (zh) 2018-11-30
CN105873489A (zh) 2016-08-17
DE202013012869U1 (de) 2020-12-17
US20220354330A1 (en) 2022-11-10
CN108903776B (zh) 2020-12-04
CN105873489B (zh) 2018-09-14

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