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EP3730019A1 - Machine de nettoyage du sol - Google Patents

Machine de nettoyage du sol Download PDF

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Publication number
EP3730019A1
EP3730019A1 EP20170845.0A EP20170845A EP3730019A1 EP 3730019 A1 EP3730019 A1 EP 3730019A1 EP 20170845 A EP20170845 A EP 20170845A EP 3730019 A1 EP3730019 A1 EP 3730019A1
Authority
EP
European Patent Office
Prior art keywords
water chamber
opening
membrane
container
cleaning machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20170845.0A
Other languages
German (de)
English (en)
Other versions
EP3730019B1 (fr
Inventor
Jens Niemke
Axel Zimny
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hako GmbH
Original Assignee
Hako GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hako GmbH filed Critical Hako GmbH
Publication of EP3730019A1 publication Critical patent/EP3730019A1/fr
Application granted granted Critical
Publication of EP3730019B1 publication Critical patent/EP3730019B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0023—Recovery tanks
    • A47L7/0033—Recovery tanks with means for recycling the dirty liquid
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—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
    • A47L11/4022—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids with means for recycling the dirty liquid
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—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
    • A47L11/408—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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0004—Suction cleaners adapted to take up liquids, e.g. wet or dry vacuum cleaners
    • A47L7/0023—Recovery tanks
    • A47L7/0038—Recovery tanks with means for emptying the tanks
    • 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
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation

Definitions

  • the present invention relates to a floor cleaning machine.
  • floor cleaning machines are known from the prior art.
  • floor cleaning machines have a machine frame and a chassis attached to the machine frame for moving the floor cleaning machine over a floor surface to be cleaned.
  • floor cleaning machines can have a container which is fastened to the machine frame and in which a fresh water chamber and a dirty water chamber are provided.
  • the floor cleaning machine then usually has means to convey liquid from the fresh water chamber onto the floor surface to be cleaned.
  • the floor cleaning machine has means to convey liquid from the floor surface to be cleaned into the dirty water chamber.
  • a flexible partition wall can be provided, which enables the volumes of the fresh water chamber and the dirty water chamber to change.
  • the partition wall can be attached between two container sections. The attachment of the partition between the two container sections has proven to be comparatively complex, however, since the container has to be dismantled from the floor cleaning machine and the two container sections have to be detached from one another when the partition is to be replaced.
  • this object is achieved by a floor cleaning machine with the features of claim 1.
  • the floor cleaning machine has a machine frame and a chassis attached to the machine frame for moving the floor cleaning machine over a floor surface to be cleaned.
  • the floor cleaning machine also has a container which is fastened to the machine frame and in which a fresh water chamber and a dirty water chamber are provided. Means are provided in order to convey liquid from the fresh water chamber onto the floor surface to be cleaned. Means are also provided to convey liquid from the floor surface to be cleaned into the waste water chamber.
  • the waste water chamber has means to drain liquid from the waste water chamber.
  • the floor cleaning machine also has a flexible membrane.
  • the membrane is fastened to the wall of the container in at least one fastening point, which is spaced apart in the vertical direction from a bottom surface of the container, so that the fresh water chamber and the dirty water chamber are separated from each other between the bottom surface of the container and a horizontal plane through the membrane running through the fastening point are separated. Either the fresh water chamber surrounds the dirty water chamber or the dirty water chamber surrounds the fresh water chamber.
  • the membrane is seen in the vertical direction below the fastening point on the wall, preferably on the bottom surface, of the container attached such that an opening in the membrane and an opening in the wall of the container coincide, so that liquid through the opening in the membrane and can flow through the opening in the wall of the container.
  • means are accordingly provided to convey liquid from the fresh water chamber onto the floor surface to be cleaned.
  • the means can have a cleaning device of the floor cleaning machine, wherein the cleaning device can intervene with the floor surface to be cleaned and can apply liquid, in particular fresh water, from the fresh water chamber to the floor surface to be cleaned.
  • the cleaning device can be connected to the fresh water chamber via a cleaning line, in particular a cleaning hose, of the floor cleaning machine, so that liquid can be brought from the fresh water chamber through the cleaning hose to the cleaning device and from there to the floor surface to be cleaned.
  • the means can for example, have a receiving device for liquid, which can be designed as a suction cup.
  • a receiving device for liquid, which can be designed as a suction cup.
  • liquid in particular dirty water
  • the receiving device can be connected to the dirty water chamber via a suction line, in particular a suction hose.
  • a suction device designed, for example, as a suction turbine
  • a negative pressure in relation to the pressure in the vicinity of the floor cleaning machine can be generated.
  • liquid, in particular dirty water in the area of the receiving device can be drawn from the floor surface to be cleaned through the suction line into the dirty water chamber.
  • the waste water chamber has means to drain liquid from the waste water chamber.
  • the container has an opening in its wall, for example in the bottom, which can also be referred to as a drain opening.
  • a drain line, in particular a drain hose, via which liquid, in particular dirty water, can be drained into a drain in the floor, can be provided at the opening in the wall of the container.
  • the membrane is still flexible. This flexibility of the membrane enables its shape to be adapted to different filling levels of the container.
  • the fresh water chamber can be filled with a comparatively large amount of liquid and the dirty water chamber can be filled with a comparatively little liquid, which is often the case before the start of a cleaning run.
  • the fresh water chamber can, however, also be filled with comparatively little liquid and the dirty water chamber can be filled with a comparatively large amount of liquid, which is often the case after a cleaning run.
  • Both the fresh water chamber and the dirty water chamber can be filled with different amounts of liquid, and any combination of amounts of liquid in the fresh water chamber and the dirty water chamber can be referred to as a filling state of the container.
  • each of these filling states of the container puts the membrane in a corresponding operating state.
  • the membrane can deform in the direction of the dirty water chamber, so that a comparatively large volume can be made available for the liquid in the fresh water chamber.
  • the membrane can deform in the direction of the fresh water chamber, so that a comparatively large volume can be provided for the liquid in the dirty water chamber.
  • a volume section of the container can thus be used successively both by the fresh water chamber and by the dirty water chamber.
  • the membrane is fastened to the wall of the container in at least one fastening point, which is spaced apart in the vertical direction from the bottom surface of the container, so that the fresh water chamber and the dirty water chamber are separated from one another between the bottom surface of the container and a horizontal plane through the membrane running through the fastening point are separated.
  • the fastening of the membrane to the wall of the container can be made possible by a releasable connection between the membrane and the wall of the container, so that the membrane can be separated from the wall of the container and the membrane can be replaced.
  • the at least one fastening point is spaced apart in the vertical direction from the bottom surface of the container, so that the flexible membrane can extend from the bottom surface of the container to the horizontal plane.
  • the fresh water chamber surrounds the dirty water chamber or the dirty water chamber surrounds the fresh water chamber. It is preferred that the fresh water chamber surrounds the dirty water chamber. If the fresh water chamber surrounds the dirty water chamber, the opening in the wall, preferably in the bottom surface, of the container can be referred to as a drain opening for the dirty water chamber.
  • a drain line in particular a drain hose, can be provided at the drain opening for the dirty water chamber, via which the dirty water can be drained into a drain in the floor. If the dirty water chamber surrounds the fresh water chamber, the opening in the wall, preferably in the bottom surface, of the container can be referred to as a drain opening for the fresh water.
  • a drain line in particular a drain hose, can be provided at the drain opening for the fresh water, via which liquid can be drained from the fresh water chamber, for example to a cleaning device already described.
  • the fresh water chamber can be used, for example, to transport the Floor cleaning machine can be completely emptied via the drain opening.
  • liquid can be drained off in a controlled manner.
  • the membrane is seen in the vertical direction below the fastening point on the wall, preferably on the bottom surface, of the container attached such that an opening in the membrane and an opening in the wall of the container coincide, so that liquid through the opening in the membrane and can flow through the opening in the wall of the container.
  • the fastening of the membrane to the wall of the container in the vertical direction below the fastening point can be made possible by a releasable connection between the membrane and the wall of the container, so that the membrane can be separated from the wall of the container and the membrane can be replaced.
  • the membrane is attached to the bottom surface of the container so that the membrane can extend from the bottom surface of the container to the horizontal plane.
  • the opening in the membrane and the opening in the wall of the container coincide.
  • the coincidence of the opening in the membrane and the opening in the wall can be achieved by overlapping the projections of the openings on the horizontal plane.
  • the opening in the membrane can be larger than the opening in the wall.
  • the projection of the opening in the wall onto the horizontal plane can form a subset of the projection of the opening in the membrane onto the horizontal plane.
  • the opening in the membrane can also be smaller than the opening in the wall.
  • the projection of the opening in the membrane onto the horizontal plane can form a subset of the projection of the opening in the wall onto the horizontal plane.
  • the two projections preferably form at least an intersection, so that liquid can flow through the opening in the membrane and through the opening in the wall of the container.
  • the replacement of the membrane in the floor cleaning machine according to the invention is easier than is the case in the prior art. This is the case because the membrane is not held between two halves of the container, but is attached on the one hand to the attachment point and on the other hand in the area of the opening on the wall of the container and can thus be easily detached without dismantling the container.
  • the membrane which can form a partition between the fresh water chamber and the dirty water chamber, is fluid-tight.
  • the fluid-tight membrane ensures that the fresh water chamber and the dirty water chamber are separated from one another in such a fluid-tight manner that liquid cannot pass through the membrane either from the fresh water chamber into the dirty water chamber or from the dirty water chamber into the fresh water chamber.
  • At least a section of the membrane is formed from a fine-meshed fabric, so that liquid can flow from the dirty water chamber through the section of the membrane into the fresh water chamber.
  • the fine-meshed fabric can form a membrane filter so that dirt, preferably coarse dirt, and more preferably also fine dirt, is filtered out of the liquid when the liquid passes through the section of the membrane into the dirty water chamber.
  • the wall of the container has a wall flange to which the membrane is attached along a line, preferably running in the horizontal plane.
  • the fastening of the membrane to the wall flange can be made possible by a detachable connection between the membrane and the wall flange, so that the membrane can be separated from the wall flange when the membrane has to be replaced.
  • the wall flange offers a circumferential fastening option for the membrane, preferably in the horizontal plane, so that the membrane can separate the fresh water chamber and the dirty water chamber from one another, in particular in a fluid-tight manner, in an upper region of the membrane when viewed in the vertical direction.
  • the bottom surface of the container has a bottom flange to which the membrane is attached along a line running in a bottom plane, and wherein the bottom plane preferably runs parallel to the horizontal plane.
  • the attachment of the membrane to the bottom flange can be made possible by a releasable connection between the membrane and the bottom flange, so that the membrane can be separated from the bottom flange when the membrane has to be replaced.
  • the bottom flange offers a circumferential fastening option for the membrane in the floor plane, so that the membrane can separate the fresh water chamber and the dirty water chamber from one another, in particular in a fluid-tight manner, in a lower region of the membrane when viewed in the vertical direction.
  • a filling tube is provided in the dirty water chamber, the filling tube having an inlet opening and an outlet opening leading to the dirty water chamber, the outlet opening being arranged in the vertical direction below the inlet opening and with means are provided to convey liquid from the floor surface to be cleaned into the inlet opening.
  • liquid can be fed into the waste water chamber in a controlled manner.
  • a floor cleaning machine is therefore provided with a machine frame, with a chassis attached to the machine frame for moving the floor cleaning machine over a floor surface to be cleaned, with a container which is fastened to the machine frame and in which a dirty water chamber is provided, wherein a filling tube is provided in the dirty water chamber, the filling tube having an inlet opening and an outlet opening which leads to the dirty water chamber, wherein the outlet opening is arranged in the vertical direction below the inlet opening and wherein means are provided for liquid from the floor surface to be cleaned in to promote the entrance opening.
  • the filling pipe extends in the vertical direction in the waste water chamber. Extending the filling tube in the vertical direction enables liquid to be guided in a controlled manner from an area of the container that is upper in the vertical direction to a lower area of the container in the vertical direction.
  • the floor cleaning machine has a first filter, the means for conveying liquid from the floor surface to be cleaned into the dirty water chamber being designed in such a way that liquid is conveyed from the floor surface to be cleaned through the first filter to the inlet opening of the filling pipe can be.
  • the first filter can be a coarse dirt filter, so that coarse dirt is filtered out of the liquid before the liquid enters the filling tube through the inlet opening.
  • Coarse dirt can for example have particles, each of which has a smallest outer diameter of at least 0.1 or 0.5 cm.
  • a second filter is provided, which is arranged such that liquid can be conveyed from the outlet opening of the filling pipe through the second filter and into the dirty water chamber.
  • the second filter can be a fine filter, so that fine dirt before the liquid enters the dirty water chamber from the Liquid is filtered out.
  • Fine dirt can, for example, have particles, each of which has a smallest outer diameter of at least 0.01 or 0.1 cm. In particular, if the particles of the coarse dirt have a smallest outside diameter of at least 0.1 cm, the particles of the fine dirt have a smallest outside diameter of at least 0.01 cm. In addition, it is preferred that if the particles of the coarse dirt have a smallest external diameter of at least 0.5 cm, the particles of the fine dirt have a smallest external diameter of at least 0.1 cm.
  • a riser is also provided, which is arranged in the dirty water chamber and extends from the opening in the membrane and the opening in the wall of the container between an inlet opening provided on the riser and an outlet opening provided on the riser, wherein the The outlet opening of the riser is arranged in the vertical direction above the inlet opening of the riser and wherein the riser can be moved between a closed position and an open position, wherein in the closed position the inlet opening of the riser is in the opening in the membrane and the opening in the wall of the Container is arranged that a fluid-tight connection is formed between these and the inlet opening of the riser, and wherein in the open position the inlet opening is spaced from the opening in the membrane and the opening in the wall of the container a is arranged.
  • the riser In the closed position, the riser enables liquid to be conveyed through the riser into the waste water chamber. In the open position, the riser enables liquid to be drained from the dirty water chamber, in particular by the spacing of the inlet opening from the opening in the membrane and the opening in the wall of the container. Both the delivery of liquid into the waste water chamber and the delivery of liquid from the waste water chamber can take place within the opening in the membrane and the opening in the wall of the container. In the closed position, liquid can be conveyed from a suction hose through the inlet opening into the riser pipe and from there through the outlet opening into the dirty water chamber due to the negative pressure in the dirty water chamber. In the open position, liquid can be drained from the dirty water chamber through the suction hose. The suction hose can therefore also be used as a drain hose.
  • the opening in the wall of the container is connected to a drain hose which has an outlet section with an outlet opening, wherein the outlet section can be attached to a holding device of the floor cleaning machine so that the horizontal plane intersects the outlet section of the drain hose.
  • the outlet section is attached to the holding device of the floor cleaning machine, no liquid emerges from the opening in the wall of the container, even if the opening in the wall of the container is not closed.
  • FIG. 1 shows a schematic perspective view of an embodiment of a floor cleaning machine 1 according to the invention.
  • the floor cleaning machine 1 has a machine frame 3 and a chassis 5 attached to the machine frame 3 for moving the floor cleaning machine 1 over a floor surface 7 to be cleaned.
  • the floor cleaning machine 1 has a container 9 which is fastened to the machine frame 3.
  • a cover element 11 is provided on the container 9, which can be detachably connected to the container 9 and which covers the container 9 from above.
  • FIG. 11 shows a schematic sectional view of a first embodiment of the container 9 of the floor cleaning machine 1 in FIG Figure 1 .
  • a fresh water chamber 13 and a dirty water chamber 15 are provided in the container 9.
  • the fresh water chamber 13 and the dirty water chamber 15 are separated from one another in a fluid-tight manner by a flexible membrane 17.
  • the membrane 17 is at least partially or completely formed from a fine-meshed fabric, so that liquid can flow from the dirty water chamber 15 through the fine-meshed section of the membrane 17 into the fresh water chamber 13, but dirt contained in the liquid can flow on the fine-meshed section is filtered.
  • the membrane 17 is designed to be fluid-tight to ensure the fluid-tight separation of the fresh water chamber 13 and the dirty water chamber 15 from one another.
  • the fresh water chamber 13 surrounds the dirty water chamber 15.
  • the dirty water chamber 15 surrounds the fresh water chamber 13.
  • the membrane 17 In the membrane 17 is an opening 19. In the wall of the container 9 is also an opening 21. The opening 19 in the membrane 17 and the opening 21 in the wall of the container 9 coincide, so that liquid through the opening 19 in the membrane 17 and through the opening 21 in the wall of the container 9 can flow.
  • the membrane 17 is fastened to the wall of the container 9 in at least one fastening point 23.
  • the fastening point 23 is spaced apart in the vertical direction 25 from a bottom surface 27 of the container 9.
  • the membrane 17 is fastened to the wall of the container 9 at the fastening point 23 so that the fresh water chamber 13 and the dirty water chamber 15 are separated from each other in a fluid-tight manner by the membrane 17 between the bottom surface 27 of the container 9 and a horizontal plane 29 running through the fastening point 23.
  • the wall of the container 9 has a wall flange 31 to which the membrane 17 is fastened along a line that preferably runs around the horizontal plane 29.
  • the membrane 17 is clamped between the wall flange 31 and an upper fastening means 33, which can be designed as a sheet metal.
  • the upper fastening means 33 is connected to the wall flange 31 with the aid of screws 35, so that the membrane 17 is clamped between the wall flange 31 and the upper fastening means 33 in the horizontal plane 29 all the way round.
  • the membrane 17 is fastened, as seen in the vertical direction 25, below the fastening point 23 or the wall flange 31 to the bottom surface 27 of the container 9 in such a way that the opening 19 in the membrane 17 and the opening 21 in the wall of the container 9 coincide so that Liquid can flow through the opening 19 in the membrane 17 and through the opening 21 in the wall of the container 9.
  • the bottom surface 27 of the container 9 has a bottom flange 37 to which the membrane 17 is attached along a line running in a bottom plane 39.
  • the floor plane 39 runs parallel to the horizontal plane 29.
  • the membrane 17 is clamped between the floor flange 37 and a lower fastening means 41, which can also be designed as a sheet metal.
  • the lower fastening means 41 is connected to the bottom flange 37 with the aid of screws 35, so that the membrane 17 is clamped all the way around between the bottom flange 37 and the lower fastening means 41 in the floor plane 39.
  • both the wall flange 31 and the upper fastening means 33 as well as the bottom flange 37 and the lower fastening means 41 can be released from one another, so that the membrane 17 can be released from its mounted position and replaced.
  • the opening 21 in the wall of the container 9 is connected to a drain hose 43, so that liquid can flow through the opening 21 in the wall of the container 9 and into the drain hose 43.
  • the drain hose 43 is connected to the container 9 by a closure element 45, which is designed here as a cover, in particular via an internal thread provided on the closure element 45 and an external thread provided on the container 9.
  • the lower fastening means 41, the drain hose 43 and the closure element 45 can be regarded as means of the dirty water chamber 15, which are designed to drain liquid out of the dirty water chamber 15.
  • a suction hose 47 is shown with an outlet opening 49 so that liquid can be conveyed from the floor surface 7 to be cleaned into the dirty water chamber 15.
  • the suction hose 47 can be viewed as a means which is provided in order to convey liquid from the floor surface 7 to be cleaned into the dirty water chamber 15.
  • a negative pressure can be generated in the dirty water chamber 15 so that liquid is conveyed or sucked through the suction hose 47 into the dirty water chamber 15.
  • FIG. 11 shows a schematic sectional view of the container 9 from FIG Figure 2 .
  • the fresh water chamber 13 is filled with comparatively little liquid and the dirty water chamber 15 is filled with a comparatively large amount of liquid.
  • the fresh water chamber 13 is filled with a comparatively large amount of liquid and the dirty water chamber 15 is filled with a comparatively little liquid.
  • the membrane 17 is designed to be flexible, and the flexible design of the membrane 17 allows it to deform, so that a volume section of the container 9 can be used successively by both the fresh water chamber 13 and the dirty water chamber 15.
  • the volume of the dirty water chamber 15 can increase at the expense of the volume of the fresh water chamber 13.
  • FIG. 8 shows a schematic sectional view of a second embodiment of the container 9 of the floor cleaning machine 1 from FIG Figure 1 , wherein a riser 51 with a Inlet opening 53 and an outlet opening 55 are arranged in the dirty water chamber 15.
  • the riser 51 extends from the opening 19 in the membrane 17 and the opening 21 in the wall of the container 9 between the inlet opening 53 provided on the riser 51 and the outlet opening 55 provided on the riser 51.
  • the outlet opening 55 of the riser 51 is in the vertical direction 25 above the inlet opening 53 of the riser 51.
  • the riser 51 can be moved between a closed position and an open position.
  • the inlet opening 53 of the riser 51 is arranged in the opening 19 in the membrane 17 and the opening 21 in the wall of the container 9 such that a fluid-tight connection is formed between these and the inlet 53 of the riser 51.
  • the open position the inlet opening 53 is arranged at a distance from the opening 19 in the membrane 17 and the opening 21 in the wall of the container 9.
  • a suction hose 43 is connected to the opening 21 in the wall of the container 9.
  • the closed position under pressure in the dirty water chamber 15, liquid can be conveyed from the suction hose 47 through the inlet opening 53 into the riser 51 and from there through the outlet opening 55 into the dirty water chamber 15.
  • liquid can be drained from the dirty water chamber 15 through the suction hose 47.
  • the suction hose 47 can therefore also be used as a discharge hose 43.
  • FIGS 5 a), b) and c ) show sectional views of a third embodiment of the container 9 of the floor cleaning machine 1 from FIG Figure 1 , different filling states of the container 9 are shown. These different filling states of the container 9 put the flexible membrane 17 in different operating states.
  • the fresh water chamber 13 is filled with a comparatively large amount of liquid and the dirty water chamber 15 is filled with a comparatively little liquid.
  • the flexible membrane 17 is deformed in the direction of the dirty water chamber 15, so that a comparatively large volume can be provided for the liquid in the fresh water chamber 13. This operating state of the membrane 17 is often reached before a cleaning run when there is still no liquid in the dirty water chamber 15 and the fresh water chamber 13 is still filled with liquid.
  • the opening 21 in the wall of the container 9 is connected to the drain hose 43, which has an outlet section 57 with an outlet opening 59.
  • the outlet section 57 is attached to a holding device 61 of the floor cleaning machine 1, so that the horizontal plane 29 intersects the outlet section 57 of the drainage hose 43.
  • the outlet opening 59 is closed with a cover.
  • the Figures 5 a), b) and c ) show a further drain hose 63 which is connected to a drain connection arranged in the bottom area of the fresh water chamber 13 so that the fresh water chamber 13 can be completely emptied, for example for transporting the floor cleaning machine 1. With the aid of the further drain hose 63, liquid can be drained off in a controlled manner.
  • the further discharge hose 63 has an outlet section 65 with an outlet opening 67.
  • the outlet section 65 is attached to the holding device 61 of the floor cleaning machine 1 so that the horizontal plane 29 intersects the outlet section 65 of the further drainage hose 63.
  • the outlet opening 67 is closed with a cover.
  • FIG. 4 shows a schematic sectional view of a fourth embodiment of the container 9 of the floor cleaning machine 1 from FIG Figure 1 , wherein a first embodiment of a filling tube 69 and a first embodiment of a first filter 71 and a first embodiment of a second filter 73 are provided.
  • the filling pipe 69 is arranged in the dirty water chamber 15 and extends in this in the vertical direction 25.
  • the filling pipe 69 has an inlet opening 75 and an outlet opening 77.
  • the outlet opening 77 is arranged in the vertical direction 25 below the inlet opening 75 and leads to the dirty water chamber 15.
  • a negative pressure in the container 9 allows liquid to be conveyed from the floor surface 7 to be cleaned via the suction hose 47 into the inlet opening 75.
  • the means for conveying liquid from the floor surface 7 to be cleaned into the dirty water chamber 15 are designed such that liquid can be conveyed from the floor surface 7 to be cleaned through the first filter 71 to the inlet opening 75 of the filling pipe 69.
  • the second filter 73 is arranged in such a way that liquid can be conveyed from the outlet opening 77 of the filling pipe 69 through the second filter 73 and into the dirty water chamber 15.
  • FIG. 11 shows a schematic sectional view of a fifth embodiment of the container 9 of the floor cleaning machine 1 in FIG Figure 1 , a second embodiment of the filling tube 69 and a second embodiment of the first filter 71 and a second embodiment of the second filter 73 being provided.
  • An embodiment of the wall flange 31 is shown, to which the membrane 17 can be attached.
  • Figures 8 a) and b ) show a sixth embodiment of the container 9 in a schematic perspective view ( Figure 8 a) ) and in a schematic plan view ( Figure 8 b) ).
  • An embodiment of the wall flange 31 is shown, to which the membrane 17 can be attached.
  • FIG. 11 shows a schematic sectional view of a seventh embodiment of the container 9 of the floor cleaning machine 1 in FIG Figure 1 .
  • the cover element 11 is pivotably attached to the container 9, so that the cover element 11 can be pivoted between a closed position and an open position.
  • the cover element 11 is shown in the open position, in which the membrane 17 can also be easily replaced by loosening the screws 35 and removing the upper fastening means 33 and the lower fastening means 41.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Cleaning In General (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
EP20170845.0A 2019-04-24 2020-04-22 Machine de nettoyage du sol Active EP3730019B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019110634.6A DE102019110634A1 (de) 2019-04-24 2019-04-24 Bodenreinigungsmaschine

Publications (2)

Publication Number Publication Date
EP3730019A1 true EP3730019A1 (fr) 2020-10-28
EP3730019B1 EP3730019B1 (fr) 2023-08-02

Family

ID=70480070

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20170845.0A Active EP3730019B1 (fr) 2019-04-24 2020-04-22 Machine de nettoyage du sol

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EP (1) EP3730019B1 (fr)
CN (1) CN111839377A (fr)
DE (1) DE102019110634A1 (fr)

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US20220265109A1 (en) * 2021-02-23 2022-08-25 Shenzhen Fly Rodent Dynamics Intelligent Technology Co.,Ltd. Method and device for controlling robot cleaner, robot cleaner and storage medium
EP4056097A1 (fr) * 2021-03-10 2022-09-14 Hako GmbH Procédé de détermination de la quantité de remplissage dans une zone d'eau douce d'un réservoir de réception d'une machine de nettoyage du sol
CN116115137A (zh) * 2021-11-15 2023-05-16 江苏美的清洁电器股份有限公司 一种水箱及表面清洁设备
CN116115125A (zh) * 2021-11-15 2023-05-16 江苏美的清洁电器股份有限公司 表面清洁装置及其水箱
CN116115139A (zh) * 2021-11-15 2023-05-16 江苏美的清洁电器股份有限公司 一种水箱及表面清洁设备

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JP7745349B2 (ja) * 2021-02-10 2025-09-29 日本信号株式会社 床洗浄装置
CN113576346A (zh) * 2021-08-06 2021-11-02 上海工程技术大学 一种清洁机器人
CN116115124A (zh) * 2021-11-15 2023-05-16 江苏美的清洁电器股份有限公司 表面清洁装置及其水箱
CN116115136A (zh) * 2021-11-15 2023-05-16 江苏美的清洁电器股份有限公司 一种水箱及表面清洁设备
CN116135127B (zh) * 2021-11-17 2025-10-21 深圳银星智能集团股份有限公司 一体式水箱和基站
CN114831557B (zh) * 2022-04-21 2024-01-30 深圳优地科技有限公司 清洁机器人、清洁机器人的控制方法及存储介质

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US20220265109A1 (en) * 2021-02-23 2022-08-25 Shenzhen Fly Rodent Dynamics Intelligent Technology Co.,Ltd. Method and device for controlling robot cleaner, robot cleaner and storage medium
US12022985B2 (en) * 2021-02-23 2024-07-02 Shenzhen Fly Rodent Dynamics Intelligent Technology Co., Ltd. Method and device for controlling robot cleaner, robot cleaner and storage medium
EP4056097A1 (fr) * 2021-03-10 2022-09-14 Hako GmbH Procédé de détermination de la quantité de remplissage dans une zone d'eau douce d'un réservoir de réception d'une machine de nettoyage du sol
CN116115137A (zh) * 2021-11-15 2023-05-16 江苏美的清洁电器股份有限公司 一种水箱及表面清洁设备
CN116115125A (zh) * 2021-11-15 2023-05-16 江苏美的清洁电器股份有限公司 表面清洁装置及其水箱
CN116115139A (zh) * 2021-11-15 2023-05-16 江苏美的清洁电器股份有限公司 一种水箱及表面清洁设备

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DE102019110634A1 (de) 2020-10-29
EP3730019B1 (fr) 2023-08-02
CN111839377A (zh) 2020-10-30

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