EP3426122B1 - Flächen-reinigungsmaschine - Google Patents

Flächen-reinigungsmaschine Download PDF

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Publication number
EP3426122B1
EP3426122B1 EP16709046.3A EP16709046A EP3426122B1 EP 3426122 B1 EP3426122 B1 EP 3426122B1 EP 16709046 A EP16709046 A EP 16709046A EP 3426122 B1 EP3426122 B1 EP 3426122B1
Authority
EP
European Patent Office
Prior art keywords
roller unit
cleaning roller
cleaning
dirty fluid
fluid tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16709046.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3426122A1 (de
Inventor
Andreas MÜLLER
Thomas BÖRKIRCHER
Rainer Kurmann
Thomas Zerrer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Priority to PL16709046T priority Critical patent/PL3426122T3/pl
Publication of EP3426122A1 publication Critical patent/EP3426122A1/de
Application granted granted Critical
Publication of EP3426122B1 publication Critical patent/EP3426122B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/292—Floor-scrubbing machines characterised by means for taking-up dirty liquid 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
    • A47L11/28—Floor-scrubbing machines, motor-driven
    • A47L11/282—Floor-scrubbing machines, motor-driven 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
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation

Definitions

  • the invention relates to a surface cleaning machine comprising a device body and a cleaning head which is arranged on the device body, at least one driven cleaning roller unit being positioned on the cleaning head and a dirty fluid tank device being arranged on the cleaning head, and a drive motor, the at least one cleaning roller unit a scraper guide device is assigned which acts on the at least one cleaning roller unit, the scraper guide device is arranged at an inlet opening of the dirty fluid tank device, and the scraper guide device is arranged and designed so that dirt fluid from the at least one cleaning roller unit passes through the suction fan-free
  • the inlet mouth of the dirty fluid tank device can be coupled into the dirty fluid tank device.
  • the U.S. 6,026,529 discloses an apparatus for cleaning surfaces which includes a moving absorbent surface, a shear member and a pump.
  • the absorbent surface contacts a hard surface during cleaning.
  • the shear member contacts the absorbent surface and discharges previously absorbed fluid.
  • the pump conveys discharged fluid.
  • the U.S. 4,173,045 discloses a floor cleaner having a roller mechanism having a roller with a cleaning belt thereon.
  • a doctor blade is provided and a dirty fluid tank is provided.
  • a floor is cleaned by frictional contact during the forward movement of the cleaning device with the washing belt.
  • the squeegee removes fluid from the wash belt during a backward movement of the device.
  • the WO 84/04663 A1 discloses a machine for cleaning hard floors with two brushes rotating against one another.
  • a floor cleaner which comprises a handle, a main body, a roller mechanism with a roller with a cleaning belt, a scraper and a dirty fluid receptacle.
  • a surface cleaning machine with a cleaning roller and a drive unit for driving the cleaning roller is known.
  • a dirt bowl is provided into which the cleaning roller sweeps dirt as it rotates.
  • the dirt tray can be opened.
  • a floor scrubbing device which is manually operated and comprises a drive roller which is coupled to a scrubbing roller.
  • the invention is based on the object of providing a surface cleaning machine mentioned at the beginning which is of simple construction and has advantageous operating properties.
  • this object is achieved according to the invention in that the dirty fluid tank device is arranged between the cleaning roller unit and the drive motor.
  • the wiping guide device allows dirty fluid to be removed from the at least one cleaning roller unit, in particular via a wiping effect. Dissolved dirty fluid can then be directed into the dirty fluid tank device via the wiping guide device.
  • the dirty fluid tank device is then arranged in such a way that dirty fluid detached from the at least one cleaning roller unit can get into the dirty fluid tank device while minimizing the corresponding transport path.
  • the corresponding surface cleaning machine can be designed without a suction fan. As a result, it can be implemented in a structurally simple manner with low weight.
  • a self-cleaning effect for the at least one cleaning roller unit can be achieved to a certain extent by means of the stripping guide device.
  • the at least one driven cleaning roller unit acts on a surface to be cleaned.
  • the driven cleaning roller unit carries out a wiping movement so that the effort required for a cleaning process for an operator is reduced.
  • dirty fluid is taken up by the cleaning roller unit and discharged to the dirty fluid tank device. An operator therefore does not come into contact with dirty fluid.
  • a cleaning roller unit is in particular a one-piece cleaning roller or a multi-part cleaning roller with the same axis of rotation for all parts.
  • the scraper guide device is arranged and designed in such a way that dirty fluid which has been picked up by the at least one cleaning roller unit is stripped from the at least one cleaning roller unit by the scraper guide device and is directed into the dirty fluid tank device. This is followed by a detachment of the dirty fluid by wiping.
  • the guide device provides for the supply to the dirty fluid tank device.
  • the guide device can be at least partially for a rebound of dirty fluid and a spinning provide for example under the action of centrifugal force in the dirty fluid tank device.
  • the stripping guide device is arranged downstream of the inlet opening.
  • the scraper guide device can detach dirty fluid from the cleaning roller unit, in particular by means of a scraper effect, and direct it to the inlet opening.
  • the stripping guide device forms a wall of the inlet mouth.
  • the wiping guide device is arranged and designed in such a way that dirty fluid is removed from the at least one cleaning roller unit by wiping. This results in a simple supply of dirty fluid to the dirty fluid tank device.
  • the stripping guide device protrudes into a trim of the at least one cleaning roller unit. As a result, dirty fluid can be stripped from the at least one cleaning roller unit via the stripping guide device.
  • the stripping guide device protrudes with a depth of at least 5% of a thickness of the facing into the facing of the at least one cleaning roller unit, based on a moist facing.
  • the scraper guide device is arranged on the dirty fluid tank device or on a cleaning roller holder for the at least one cleaning roller unit. It can thereby be positioned in a defined manner in relation to the at least one cleaning roller unit.
  • the wiper guide device with the dirty fluid tank device can be removed from the cleaning head. This results in a simple structural design. Furthermore, the stripping guide device can be cleaned in a simple manner. For example, the stripping guide device then forms a wall of the inlet mouth.
  • the stripping guide device is rounded or chamfered at an edge facing the inlet opening. Such a rounding or chamfering means that the fibers of the trim are better “spared" when the stripping guide device acts. A lower torque has to be used to rotate the cleaning roller unit, so that an energy-saving operation results.
  • the stripping guide device is formed by one or more edge elements.
  • the edge elements are strips which have corresponding edges which, in particular, protrude into the trim of the at least one cleaning roller unit.
  • the edge element or elements can form a wall of the inlet mouth.
  • one edge of an edge element is rounded or chamfered, with this rounded or chamfered edge adjoining the inlet opening in relation to a direction of rotation of the cleaning roller unit.
  • the at least one cleaning roller unit is assigned at least one sweeping element, through which coarse dirt can be fed to the at least one cleaning roller unit and can be carried along by it.
  • the sweeping element ensures that "swept up" coarse dirt is fed to the at least one cleaning roller unit for removal. This increases the scope of application of the surface cleaning machine.
  • the inlet opening of the dirty fluid tank device is between the stripping guide device and the the at least one cleaning roller unit associated sweeping element positioned. This allows dirty fluid to be picked up from the surface to be cleaned. Furthermore, coarse dirt can be fed to the at least one cleaning roller unit. This takes the dirt with it up to the scraper guide device. There, dirty fluid is detached and can then be fed to the dirty fluid tank device at the inlet opening.
  • the at least one sweeping element is arranged, for example, on the dirty fluid tank device or on a cleaning roller holder. As a result, a defined position in relation to the at least one cleaning roller unit can be achieved.
  • the cleaning head is pivotably arranged on the device body. This results in expanded application possibilities. If, for example, space is tight, the device body can then be repositioned relative to the cleaning head as required due to the pivotability.
  • the drive motor (for the at least one cleaning roller unit) is arranged on the device body outside a device body housing or is at least partially arranged in the device body housing. This results in a simple structural design.
  • an encapsulation of the drive motor can be used to form a pivot bearing.
  • At least a first cleaning roller unit and a second cleaning roller unit are provided, the first cleaning roller unit and the second cleaning roller unit being driven to rotate in opposite directions. This results in a high cleaning effect, since (at least) two cleaning roller units can act on a surface area.
  • Each cleaning roller unit is assigned its own stripping guide device part.
  • each cleaning roller unit is assigned its own tank.
  • the inlet opening of the dirty fluid tank device has a longitudinal direction which is oriented at least approximately parallel to an axis of rotation of the at least one cleaning roller unit. This results in a large cleaning area over the at least one cleaning roller unit with a correspondingly large discharge area for dirty fluid.
  • the inlet opening of the dirty fluid tank device has a length which corresponds at least to a trimming length of the at least one cleaning roller unit. This means that dirty fluid can be effectively removed.
  • the surface cleaning machine according to the invention is designed in particular as a hand-held or hand-guided surface cleaning machine. An operator can hold or guide the surface cleaning machine preferably with one hand.
  • a first embodiment of a surface cleaning machine according to the invention which is shown in Figure 1 is shown and in the Figures 2 to 10 is shown in partial representation and is denoted by 10, is designed in particular as a hand-held and hand-guided 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 is supported on the surface 16 to be cleaned via a cleaning roller unit 18 and in particular a single cleaning roller unit 18.
  • the cleaning roller unit 18 has a single axis of rotation (see below).
  • the cleaning roller unit 18 is a cleaning roller which can be in one piece or in several pieces. In the embodiment described below, the cleaning roller unit 18 is a two-part cleaning roller.
  • the device body 12 has a longitudinal axis 20.
  • the surface cleaning machine 10 is held or guided by a handle.
  • a holding rod device 22 is seated on the device body 12.
  • the holding rod device 22 comprises one (in particular precisely one) holding rod 24 which has a longitudinal extension parallel to the longitudinal axis 20.
  • a handle 26, and in particular a bow-type handle, is arranged on an upper region of the holding rod device 22. An operator can hold the surface cleaning machine 10 with one hand on this handle 26 and guide it on the surface 16 to be cleaned (with the cleaning roller unit 18 supported).
  • the holding rod device 22 can be designed to be variable in length or fixed in length with respect to a length in the longitudinal axis 20.
  • the surface cleaning machine 10 is designed in terms of its dimensions so that when the cleaning roller unit 18 is supported on the surface 16 to be cleaned, an operator can comfortably carry out a cleaning process on the surface 16 to be cleaned with an angled holding arm. Especially is a length of the surface cleaning machine 10 in the longitudinal axis 20 between the cleaning roller unit 18 and the handle 26 in a range between 60 cm and 130 cm.
  • one or more operating elements are arranged on the handle 26.
  • a switch is arranged via which the surface cleaning machine 10 can be switched on or off for a cleaning operation.
  • This switch can be used to switch the operation of a drive motor 28 for rotating the cleaning roller unit 18.
  • a switch for actuating a valve device 38 can be provided.
  • the device body 12 comprises a housing 30 in which components of the surface cleaning machine 10 are arranged in a protected manner.
  • a holder 32 is arranged on the housing 30.
  • a tank device 34 for cleaning liquid (in particular water with or without an additional cleaning agent) is removably arranged on the holder 32.
  • a tank receptacle 36 for the tank device 34 is arranged on the holder 32 of the housing 30.
  • a corresponding outlet of the tank device 34 can be connected to the tank receptacle 36.
  • a valve device 38 is positioned downstream of the tank receptacle 36 in the housing 30.
  • One or more fluid lines 40 lead from the valve device 38 to the cleaning head 14.
  • the valve device 38 has a shut-off valve, via which the supply of cleaning fluid from the tank device 34 to the cleaning head 14 can be switched off.
  • the valve device 38 can be assigned a filter device 39 for cleaning fluid.
  • the filter device 39 is in particular upstream of the shut-off valve and arranged between the valve device 38 and the tank receptacle 36.
  • cleaning fluid can flow from the tank device 34 through the fluid line or fluid lines 40 to the cleaning head 14 and act on the surface 16 to be cleaned.
  • one or more outlet openings for cleaning liquid are provided on the cleaning head 14.
  • the outlet opening or outlet openings it is possible here for the outlet opening or outlet openings to be arranged in such a way that the surface 16 to be cleaned is directly exposed to cleaning fluid.
  • the outlet opening or outlet openings are arranged in such a way that cleaning fluid is applied to cleaning roller unit 18 and, in particular, a trim 42 of cleaning roller unit 18.
  • cleaning fluid is applied to cleaning roller unit 18 and, in particular, a trim 42 of cleaning roller unit 18.
  • the trim 42 is made in particular from a textile material.
  • a switch is assigned to the valve device 38, by means of which the user can set whether the shut-off valve of the valve device 38 is blocked (i.e. the inflow of cleaning fluid to the cleaning head 14 is blocked) or whether the shut-off valve is open (i.e. the inflow for Cleaning fluid is released from the tank device 34 to the cleaning head 14).
  • This switch can be arranged on the housing 30. In principle, it is also possible for the switch to be arranged on the handle 26.
  • a battery device 44 for supplying electrical energy to the drive motor 28 is arranged in the housing 30.
  • the Battery device 44 is rechargeable.
  • the surface cleaning machine 10 can be operated independently of a mains supply.
  • the surface cleaning machine 10 it is also possible for the surface cleaning machine 10 to be operated using mains electricity. A corresponding connection device for mains power is then arranged on the surface cleaning machine 10.
  • the battery device 44 can be detachable from the device body 12 in order to be able to carry out recharging on a corresponding charger.
  • a corresponding charging device is integrated into the device body 12 and recharging can be carried out without removing the battery device 44 from the device body 12.
  • Corresponding connection sockets are arranged on the holding rod 24, for example.
  • the drive motor 28 is an electric motor. It has a motor axis 46.
  • the motor axis 46 is coaxial with an axis of rotation of the drive motor 28.
  • the drive motor 28 is seated between the cleaning head 14 and the housing 30 on the device body 12.
  • the motor axis 46 is oriented at an angle to the longitudinal axis 20 of the device body 12 (and the support rod 24).
  • the angle between the motor axis 46 and the longitudinal axis 20 is, for example, in the range between 150 ° and 170 °.
  • the cleaning head 14 is about a pivot axis 48 (see Figures 2 and 3 ) pivotable with respect to the device body 12. This pivotability is in Figure 2 indicated by the double arrow with the reference numeral 50.
  • pivot axis 48 is coaxial with the motor axis 46.
  • the drive motor 28 is arranged on an inner sleeve 52.
  • This inner sleeve 52 preferably forms an encapsulation of the drive motor 28.
  • An outer sleeve 54 is firmly seated on the device body 12.
  • the inner sleeve 52 is seated in the outer sleeve 54.
  • the inner sleeve 52 is pivotable about the pivot axis 48 relative to the outer sleeve 54, the inner sleeve 52 being pivotably mounted in the outer sleeve 54.
  • the inner sleeve 52 and the outer sleeve 54 form a pivot bearing 56 for the pivotability of the cleaning head 14 relative to the device body 12.
  • the drive motor 28 is pivotable about the pivot axis 48 relative to the device body 12.
  • Corresponding supply lines from the battery device 44 to the drive motor 28 are arranged and designed in such a way that they allow pivotability.
  • the fluid line 40 or the fluid lines 40 are designed in such a way that they allow this pivotability.
  • the pivot bearing 56 has a basic position which is defined, for example, in that (the only one) a rotation axis 58 of the cleaning roller unit 18 perpendicular to the plane E according to FIG Figure 1 is oriented. A pivoting about the pivot axis 58 with respect to this basic position is expressed in an angular position of the axis of rotation 58 to the plane E.
  • the pivot bearing 56 is set in particular in such a way that, in relation to a normal cleaning operation, a particular expenditure of force is necessary in order to cause the cleaning head 14 to pivot out of its basic position.
  • the pivotability of the cleaning head 14 about the pivot axis 48 enables improved cleaning options even in hard-to-reach places by, as it were, the device body 12 with the holding rod device 22 can be "repositioned" with respect to the surface 16 to be cleaned.
  • the cleaning head 14 has a cleaning roller holder 60 on which the cleaning roller unit 18 is seated such that it can rotate about the axis of rotation 58.
  • the cleaning roller holder 60 is connected to the inner sleeve 52 in a rotationally fixed manner.
  • the cleaning roller holder 60 has a holding area 62 for the cleaning roller unit 18, and a receiving chamber 64 for a dirty fluid tank device 66 (see, for example, FIG Figure 3 ).
  • the receiving chamber 64 is positioned between the holding area 62 and the inner sleeve 52.
  • the inner sleeve 52 is in particular firmly connected to an outside of the receiving chamber 64.
  • the cleaning roller unit 18 is coupled to the drive motor 28 in a torque-effective manner via a transmission device 68.
  • the transmission device 68 connects a motor shaft of the drive motor 28 (which rotates about the motor axis 46) with a shaft 70 for the cleaning roller unit 18 in a torque-effective manner.
  • the transmission device 68 comprises a speed reducer. This serves to reduce a speed compared to the speed of the motor shaft.
  • a speed reducer For example, a standard electric motor has speeds on the order of 7000 revolutions per minute.
  • the speed reducer ensures that the speed is reduced to about 400 revolutions per minute, for example.
  • the speed reducer can be arranged in the inner sleeve 52 or outside the inner sleeve 52 on the cleaning roller holder 60.
  • the speed reducer is designed as a planetary gear, for example.
  • the gear device 68 also has an angular gear, which ensures a torque deflection in order to bring about a drive of the cleaning roller unit 18 with the axis of rotation 58 transversely (and in particular perpendicular) to the motor axis 46.
  • the angular gear is in particular connected downstream of the speed reducer.
  • the angular gear has one or more gearwheels which are non-rotatably coupled to a corresponding shaft of the speed reducer. These act on a bevel gear for angular conversion.
  • the transmission device 68 further comprises a belt which is coupled to the angular transmission in a torque-effective manner and acts on the shaft 70.
  • the belt bridges the distance between the shaft 70 and the angular gear and ensures a reduction in speed.
  • the cleaning roller unit 18 is constructed in two parts with a first part 72 and a second part 74.
  • the first part 72 is seated in a rotationally fixed manner on a first side of the shaft 70 and the second part 74 is in a rotationally fixed manner on a second opposite the first side of the shaft 70 Page.
  • the transmission device 68 is guided and coupled to the shaft 70 in an intermediate region 76 between the first part 72 and the second part 74. They have the same axis of rotation 58.
  • the cleaning roller unit 18 or the first part 72 and the second part 74 of the cleaning roller unit 18 have a sleeve 78 (cf. for example Figure 5 ), which is cylindrical. On the sleeve 78 is the trim 42 is arranged. The cleaning roller unit 18 or the first part 72 and the second part 74 are fixed to the shaft 70 via the sleeve 78.
  • the cleaning roller unit 18 is arranged on the cleaning head 14 in such a way that the axis of rotation 58 is oriented perpendicular to the longitudinal axis 20.
  • the cleaning roller unit 18 has a length along the axis of rotation 58 between a first end face 80 (which is formed on the first part 72) and a second end face 82 (which is formed on the second part 74), which is considerably greater than a corresponding width of the device body 12 perpendicular to the longitudinal axis 20.
  • a length of the cleaning roller unit 18 between the first face 80 and the second face 82 is at least 20 cm and preferably at least 25 cm.
  • the receiving chamber 64 has a bottom 84 (see. For example Figure 5 ) on.
  • a receiving chamber wall 86 is arranged on the bottom 84, oriented transversely to the latter.
  • the receiving chamber wall 86 and the bottom 84 of the receiving chamber 64 define a receiving space 88 for the dirty fluid tank device 66.
  • the receiving space 88 is open.
  • the dirty fluid tank device 66 can be removed from or inserted into the receiving space 88 via a corresponding side 90.
  • a removal direction or insertion direction 92 (cf. Figure 6 ) is substantially perpendicular to the floor 84 (and perpendicular to the axis of rotation 58).
  • the receiving chamber wall 86 has a step 96 on a wall area 94 of the receiving chamber wall 86.
  • the wall area 94 faces the holding area 62.
  • the step 96 is also disposed close to the floor 84.
  • a fixing device 98 is assigned to the receiving chamber 64, via which the dirty fluid tank device 66 on the receiving chamber wall 86 in a holding position 100 ( Figure 5 ) is fixable. The fixation takes place in particular by means of a form fit.
  • the fixing device 98 comprises a flap 102 which is arranged on the cleaning head 14 so as to be pivotable about a pivot axis 104 by means of a pivot bearing 106.
  • the pivot bearing 106 is positioned on or in the vicinity of the inner sleeve 52.
  • the pivot axis 104 is oriented parallel to the axis of rotation 58 of the rotating roller 18.
  • the flap 102 acts on the dirty fluid tank device 66 and holds it on the receiving chamber 64 in the receiving space 88.
  • the flap 102 can be pivoted in the direction of the device body 12 (see FIG Figure 6 , indicated by the reference numeral 108) in order to release the dirty fluid tank device 66 so that it can be removed from the receiving space 88 in the removal direction 92 on the side 90 and can be removed from the cleaning head 14.
  • the dirty fluid tank assembly 66 ( Figures 8 to 10 ) is designed as a unit. It has a first chamber 110 which is assigned to the first part 72 of the cleaning roller unit 18, and has a second chamber 112 which is assigned to the second part 74 of the cleaning roller unit 18.
  • the first chamber 110 receives dirty fluid originating from the first part 72 of the cleaning roller unit 18, and the second chamber 112 picks up dirty fluid coming from the second part 74 of the cleaning roller unit 18.
  • first chamber 110 and the second chamber 112 can be connected to one another in a fluidically effective manner, and for example to be connected to a common drainage opening in an effective manner.
  • first chamber 110 and the second chamber 112 are separated from one another in a fluid-tight manner and that each chamber 110, 112 has its own outlet opening.
  • the first chamber 110 and the second chamber 112 are spaced apart; Between the first chamber 110 and the second chamber 112, the dirty fluid tank device 66 has a recess 114.
  • the recess 114 is arranged in a central region of the dirty fluid tank device 66 in relation to a longitudinal axis 116 of the dirty fluid tank device 66.
  • the longitudinal axis 116 is oriented parallel to the axis of rotation 58 of the cleaning roller unit 18.
  • the longitudinal axis 116 of the dirty fluid tank device 66 runs between a first outer end 118 and a second outer end 120 of the dirty fluid tank device 66, the dirty fluid tank device 66 having its greatest length dimensions between the first outer end 118 and the second outer end 120.
  • the recess 114 serves to lead through at least a partial area of the transmission device 68.
  • the cleaning roller unit 18 is driven in the center.
  • the transmission device 68 bridges the distance between the drive motor 28 and the shaft 70.
  • the recess 114 saves on the Dirt fluid tank device 86, so to speak, from the spatial area which accommodates the transmission device 68.
  • the receiving chamber 64 has a respective receiving space 88 for the first chamber 110 and the second chamber 112.
  • a common receiving space 88 is provided for the first chamber 110 and the second chamber 112.
  • the first chamber 110 and the second chamber 112 are connected to one another via a bridge 122, so that the dirty fluid tank device 66 forms a unit and can be removed as a whole from the cleaning head 14 or can be inserted into it.
  • the dirty fluid tank device 66 has a cover flap 124 which is seated pivotably on the first chamber 110 and the second chamber 112 via spaced pivot bearings 126a, 126b.
  • the cover flap 124 can be opened in order to provide a corresponding emptying opening for the first chamber 110 and the second chamber 112 and, if necessary, to be able to clean the dirty fluid tank device 66 in an interior.
  • first chamber 110 and the second chamber 112 are fluid-tightly separated from one another.
  • the cover flap 124 is a common cover flap for both the first chamber 110 and the second chamber 112. By opening the cover flap 124, both the first chamber 110 and the second chamber 112 can be emptied or there is access to the first chamber 110 and the second chamber 112 is provided in order to be able to carry out a corresponding cleaning.
  • the lid flap can be fixed with the first chamber 110 and / or the second chamber 112 and / or the bridge 122 in such a way that when the lid flap 124 is closed, a fluid-tight dirty fluid tank device 66 (except for an inlet opening) is provided.
  • the dirty fluid tank device 66 it is possible for the dirty fluid tank device 66 to also include mechanically separate chambers, one chamber then being assigned to the first part 72 and the second part 74 of the cleaning roller unit 18. In this case, the corresponding parts of the dirty fluid tank device must then be removed or inserted separately from the cleaning head 14.
  • the dirty fluid tank device 66 has an underside 128 which is formed on an outer side of the base 84 on the first chamber 110 and on the second chamber 112, respectively. It also has an upper side 130 opposite the lower side 128, which is formed on an outside of the cover flap 124.
  • a recess 132 (or a plurality of recesses 132) is formed on the upper side 130 of the dirty fluid tank device 66 and thus on the cover flap 124.
  • the recess or recesses 132 are channel-shaped and have an undercut surface 134.
  • the flap 102 has a counter element 136 (or several counter elements 136) which serve to cooperate with the recess 132.
  • a locking element 138 is arranged on the counter element 136 or counter elements 136 ( Figures 5 to 7 ), which serves to cooperate with the undercut surface 134.
  • the counter element 136 with its locking element 138 is immersed in the recess 132 and the holding position 100 is reached, the locking element 138 rests against the undercut surface 134.
  • the flap 102 is opposite to being pivoted away from the upper side 130 of the dirty fluid tank device 66 blocked. A corresponding expenditure of force must be exerted in order to guide the locking element 138 away from the undercut surface 134.
  • the dirty fluid tank device 66 is positioned in relation to the flap 102 and the receiving chamber 64 such that, when the dirty fluid tank device 66 is positioned in the holding position 100 on the receiving chamber 64, the locking element 138 is immersed in the recess 132 and correspondingly rests against the undercut surface 134 and thus secures the holding position 100.
  • the dirty fluid tank device 66 has a step 140 adapted to the step 96 (see, for example, FIG Figure 6 ) on.
  • the receiving chamber wall 86 blocks a mobility of the dirty fluid tank device 66 in the receiving space 88 in the directions transverse to the removal / insertion direction 92.
  • the bottom 84 of the receiving chamber 64 prevents the dirty fluid tank device 66 from "diving out” when it is inserted.
  • the flap 102 is designed in particular as a hold-down device, which ensures a defined positioning of the dirty fluid tank device 66 in relation to the cleaning roller unit 18.
  • the flap 102 is in particular arranged or designed elastically in such a way that in the holding position 100 the flap 102 exerts a corresponding positioning force and, in particular, the dirty fluid tank device 66 is pressed against the bottom 84 and also the wall area 94.
  • the pressing against the wall area 94 is also supported by the cooperation of the step 96 on the wall area 94 with the step 140 in the dirty fluid tank device 66.
  • the flap 102 is spring-supported on the pivot bearing 106, for example.
  • the flap 102 can be formed, for example, on the counter element 136 in such a way that a corresponding elastic force can be exerted on the dirty fluid tank device 66.
  • the cleaning head 14 has a stripping guide device 142 (cf. Figure 5 ), which acts on the cleaning roller unit 18 (and thereby on the first part 72 and the second part 74) and serves to loosen dirt fluid (in particular water with dirt particles) carried along by the cleaning roller unit 18 and an inlet opening 144 of the dirt fluid tank device 66, which is fixed in the holding position 100 on the cleaning head 14, to be supplied. As a result, dirty fluid is then coupled into the dirty fluid tank device 66.
  • a stripping guide device 142 (cf. Figure 5 ), which acts on the cleaning roller unit 18 (and thereby on the first part 72 and the second part 74) and serves to loosen dirt fluid (in particular water with dirt particles) carried along by the cleaning roller unit 18 and an inlet opening 144 of the dirt fluid tank device 66, which is fixed in the holding position 100 on the cleaning head 14, to be supplied.
  • dirty fluid is then coupled into the dirty fluid tank device 66.
  • the inlet opening 144 of the dirty fluid tank device 66 is designed in the form of a slot ( Figure 9 ). It comprises a first part 146, which is an inlet port for the first chamber 110, and comprises a second part 148, which is an inlet port for the second chamber 112.
  • the in Figure 9 The embodiment shown, the first part 146 and the second part 148 each have a greater length in the longitudinal axis 116 than the associated chamber 110 and 112, respectively.
  • the dirty fluid tank device 66 has the inlet opening 144 at the end a respective wall on the first part 146 and on the second part 148 in order to be able to supply the dirty fluid collected via the first part 146 and the second part 148 of the inlet opening 144 to the first chamber 110 and the second chamber 112, respectively.
  • the first part 146 of the inlet opening 144 is assigned to the first part 72 of the cleaning roller unit 18.
  • the second part 148 of the inlet opening 144 is assigned to the second part 74 of the cleaning roller unit 18.
  • the first part 146 and the second part 148 of the inlet opening 144 are spaced apart from one another in accordance with the spacing between the first part 72 and the second part 74.
  • the first part 146 and the second part 148 each have a length in the longitudinal axis 116 which corresponds at least approximately to a corresponding trimming length of the first part 72 and the second part 74 of the cleaning roller unit 18 along the axis of rotation 58.
  • the wiping guide device 142 is designed in such a way that it wipes off dirty fluid from the cleaning roller unit 18 and guides it into the inlet opening 144.
  • the stripping guide device 142 is spaced apart from the axis of rotation 58.
  • the stripping guide device 142 protrudes with a depth T into the facing 42 of the cleaning roller unit 18.
  • the depth T is in particular at least 5% of a thickness D ( Figure 5 ) of the trim 42 of the cleaning roller unit 18 based on a moist state of the trim 42.
  • the stripping guide device 142 is formed in particular by one or more edge elements 150.
  • a respective edge element 150 is assigned to the first part 72 and the second part 74 of the cleaning roller unit 18.
  • An edge element 150 is designed as a strip which correspondingly protrudes into the facing 42 of the cleaning roller unit 18 on the first part 72 and the second part 74.
  • the edge element 150 has a relatively small thickness, which is in particular smaller than a thickness D of the trim 42.
  • the edge element 150 or the edge elements 150 are curved.
  • the stripping guide device 142 with the edge element 150 or the edge elements 150 in particular forms a wall of the inlet opening 144.
  • the edge element or elements 150 are rounded or chamfered on an edge which the inlet opening 144 faces. As a result, fibers of the facing 42 are spared and a small force has to be overcome during the rotation of the cleaning roller unit 18. This in turn achieves an energy-saving effect. This rounding on the edge is in Figure 5 indicated by reference number 151.
  • the stripping guide device 142 is arranged on the cleaning roller holder 60.
  • the stripping guide device 142 is seated on the dirty fluid tank device 66.
  • the edge element or elements 150 are arranged on the corresponding wall 152 of the first chamber 110 and the second chamber 112.
  • the corresponding stripping guide device 142 is preferably arranged outside the cover flap 124 of the dirty fluid tank device 66.
  • the wiper guide device 142 is removed from the cleaning head 14 when the dirty fluid tank device 66 is removed therefrom.
  • a cover 154 is positioned on the cleaning head 14 associated with the cleaning roller unit 18.
  • the cover 154 is arranged downstream of the stripping guide device 142 (with the edge element or elements 150).
  • the edge element 150 is curved in such a way that it is adapted to a corresponding curvature of the cleaning roller unit 118 with the facing 42.
  • the cover 154 can touch or penetrate the trim 42, the penetration preferably taking place at a shallower depth than the penetration of the stripping guide device 142 over the depth T.
  • the fluid line 40 or the fluid lines 40 open into an area 156 between the cover 154 and the stripping guide device 142. In this area, the cleaning roller unit 18 can be exposed to cleaning fluid from the tank device 34.
  • the region 146 has a length along the axis of rotation 58 which is at least approximately a corresponding length of the first part 72 or the second part 74 of the cleaning roller unit 18 corresponds to in order to enable a uniform application of liquid to the cleaning roller unit 18 over its length.
  • the cover 154 is arranged on the dirty fluid tank device 66.
  • the cleaning roller unit 18 is also assigned a sweeping element 160, which serves to feed coarse dirt to the cleaning roller unit 18. This can then be taken along with the cleaning roller unit 18.
  • the inlet port 144 is arranged between the scraper guide device 142 on the sweeping element 160.
  • the sweeping element 160 is positioned on the cleaning roller holder 60 in the holding area 62.
  • the sweeping element 160 is designed such that it is at least in an angular position range (if the surface cleaning machine 10 is not set up too steeply) of the surface cleaning machine 10 in relation to the longitudinal axis 20 to the cleaning surface 16 can act on the surface 16 to be cleaned for the sweeping function.
  • the sweeping element 160 is arranged, for example, pivotably on the cleaning roller holder 60 and / or it is designed to be elastic.
  • the sweeping element 160 protrudes into the facing 42 of the cleaning roller unit 18.
  • the facing 42 can also only touch or be at a distance from it.
  • the surface 16 to be cleaned is first followed by the sweeping element 160, then a guide area 162 of the cleaning roller holder 60, which is (hollow) cylindrical in shape and is adapted to the cleaning roller unit 18, then the inlet opening 144, then the wiper guide device 142 with the edge element (s) 150 and then the cover 154, the area 156 lying between the cover 154 and the wiper guide device 142.
  • the surface cleaning machine 10 is designed without a suction fan. Dirty fluid that is carried along by the cleaning roller unit 18 is not sucked into the dirty fluid tank device 66 by an additional suction fan, but the stripping guide device 142 only ensures that dirty fluid is coupled into the dirty fluid tank device 66.
  • the surface cleaning machine 10 works as follows: In a cleaning operation, the dirty fluid tank device 66 is fixed on the cleaning head 14 in the holding position 100.
  • the surface cleaning machine 10 is placed on the surface 16 to be cleaned solely via the cleaning roller unit 18.
  • the drive motor 28 drives the cleaning roller unit 18 in a rotational movement about the (single) axis of rotation 58 in the direction of rotation 158.
  • the cleaning roller unit 18 is acted upon with cleaning fluid from the tank device 34.
  • Dirt on the surface 16 to be cleaned is moistened when the moistened covering 42 of the cleaning roller unit 18 acts on it in order to make it easier to remove it.
  • the rotation of the cleaning roller unit 18 effects a mechanical action on dirt on the surface 16 to be cleaned in order to obtain better detachability from the surface 16 to be cleaned.
  • Any coarse dirt can be fed to the cleaning roller unit 18 with the sweeping element 160.
  • Dirt fluid (dirt particles, cleaning fluid with loosened dirt) is carried along by the cleaning roller unit 18 and the dirt fluid is released from the cleaning roller unit 18 at the scraper guide device 142 and (among other things under the effect of centrifugal force) is passed into the inlet opening 144 and from there into the Dirty fluid tank device 66.
  • the scraper guide device 142 removes the dirty fluid from the set 42 of the cleaning roller unit 18 by wiping it off.
  • the coupling of dirty fluid into the dirty fluid tank device 66 takes place in particular without a suction fan.
  • the dirty fluid tank device 66 is removably positioned on the cleaning head 14.
  • the flap 102 ensures that the holding position 100 is secured.
  • the inlet opening 144 of the dirty fluid tank device 66 is also oriented in relation to the stripping guide device 142 with respect to the cleaning roller unit 18 so that the corresponding release function and coupling function as described above is achieved.
  • the flap 102 ensures that the edge element 150 or the edge elements 150 are correspondingly pressed into the facing 42 to the depth T in order to achieve an optimal detachment function by stripping.
  • the stripping guide device 142 is arranged on the dirty fluid tank device 66 and can be removed from the cleaning head 14 with it.
  • the flap 102 presses with its counter element 136 and the locking element 138 arranged thereon on the upper side 130 of the dirty fluid tank device 66 and thereby secures the holding position in which the above-described relative positioning of the stripping guide device 142 to the cleaning roller unit 18 is achieved.
  • a form-fitting mounting of the dirty fluid tank device 66 on the receiving chamber 64 in the holding position 100 is provided.
  • the flap 102 is opened. It is pivoted in the direction of the device body 12. In order to guide the locking element 138 out of the recess 132 with the undercut surface 134, a corresponding elastic deformation of the counter element 136 must be carried out.
  • the cover flap 124 of the dirty fluid tank device 66 By opening the cover flap 124 of the dirty fluid tank device 66, the latter can be emptied and, if necessary, cleaned by rinsing, for example.
  • the dirty fluid tank device 66 has a capacity of approximately 150 ml, for example.
  • the surface cleaning machine 10 has a relatively low energy requirement, since no suction fan has to be provided and dirty fluid is coupled directly from the cleaning roller unit 18 into the dirty fluid tank device 66 with a “minimized path”.
  • the surface cleaning machine 10 can therefore be operated in an optimized manner with a rechargeable battery device 44.
  • the cleaning roller unit 18 is self-cleaning to a certain extent.
  • the dirty fluid tank device 66 is arranged between the cleaning roller unit 18 and the drive motor 28.
  • a longitudinal direction of the inlet mouth 144 which is parallel to the longitudinal axis 116 is parallel to the axis of rotation 58 of the cleaning roller unit 18 and transverse and in particular perpendicular to the motor axis 46. Furthermore, this longitudinal axis of the inlet opening 144 is transverse and in particular perpendicular to the longitudinal axis 20.
  • the drive motor 28 is also used to drive one or more suction turbines, which are accordingly in fluid connection with an interior of the dirty fluid tank device 66 in order to generate a negative pressure that improves the coupling of dirty fluid into the dirty fluid tank device.
  • the surface cleaning machine 10 can also be operated in mains operation.
  • the sweeping element 160 can also be arranged on the dirty fluid tank device 66.
  • Overload protection can be provided. This is designed, for example, as a mechanical overload protection device, which includes a slip clutch, for example. As an alternative or in addition, electronic overload protection can be provided which, for example, performs an overcurrent shutdown.
  • the tank device 34 is arranged above the cleaning head 14 in relation to the direction of gravity. As a result, cleaning liquid can flow from the tank device 34 to the cleaning head 14 without pumps under the action of gravity in order to apply cleaning liquid to the surface 16 to be cleaned directly or indirectly via the cleaning roller unit 18.
  • the surface cleaning machine 10 can be designed in such a way that the sweeping element 160 only becomes effective when a certain angular position is set in relation to the longitudinal axis 20 to the surface 16 to be cleaned and in particular, an angle between the surface 16 to be cleaned and the longitudinal axis is below a maximum angle.
  • FIG. 11 Another embodiment of a surface cleaning machine 202 according to the invention ( Figure 11 ) includes a cleaning head 204.
  • a first cleaning roller unit 206 is arranged on the cleaning head 204 so as to be rotatable about a first axis of rotation 208. Furthermore, a second cleaning roller unit 210 is arranged on the cleaning head 204 at a distance from the first cleaning roller unit 206 so as to be rotatable about a second axis of rotation 212. The first axis of rotation 208 and the second axis of rotation 212 are oriented parallel to one another.
  • the cleaning roller units 206 and 210 are each one-piece cleaning rollers.
  • the surface cleaning machine 202 has a drive for the first cleaning roller unit 206 and the second cleaning roller unit 210.
  • a drive 214 is arranged on the cleaning head 204.
  • the drive acts directly or via a gear mechanism on the first cleaning roller unit 206 and the second cleaning roller unit 212 in such a way that they rotate in opposite directions.
  • first cleaning roller unit 206 has a first direction of rotation 216 and the second cleaning roller unit 210 has a second direction of rotation 218, which is in the opposite direction to the first direction of rotation 216.
  • a dirty fluid tank device 220 is arranged on the cleaning head 204.
  • the dirty fluid tank device 220 has a common tank 222 for the first cleaning roller unit 206 and the second cleaning roller unit 210.
  • the tank 222 has an inlet port 224. This is composed of a first part 226, which is assigned to the first cleaning roller unit 206, and a second part 228, which is assigned to the second cleaning roller unit 210.
  • the first part 226 and the second part 228 are oriented parallel to one another and oriented parallel to the axes of rotation 208, 212.
  • Dirty fluid carried along by the first cleaning roller unit 206 can be coupled into the tank 222 via the first part 226 of the inlet opening 224.
  • Dirty fluid entrained by the second cleaning roller unit 210 can be coupled into the tank 222 via the second part 228 of the inlet opening 224.
  • a wiper guide device 230 is arranged on the cleaning head 204.
  • the stripping guide device 230 comprises corresponding edge elements 232 which are arranged on the first part 226 of the inlet opening 224 and on the second part 228 of the inlet opening 224.
  • the edge elements 232 protrude with a certain depth into a set of the first cleaning roller unit 206 or the second cleaning roller unit 210.
  • edge elements 232 are arranged downstream of the first part 226 and the second part 228 of the inlet opening 224.
  • a first sweeping element 234 is assigned to the first cleaning roller unit 206 and a second sweeping element 236 is assigned to the second cleaning roller unit 210.
  • first cleaning roller unit 206 and the second cleaning roller unit 210 are positioned between the first sweeping element 234 and the second sweeping element 236.
  • the first sweeping element 234 and the second sweeping element 236 are preferably fixed to a cleaning roller holder 238, which holds the first cleaning roller unit 206 and the second cleaning roller unit 210.
  • the first sweeping element 234 and the second sweeping element 236 have the same function as the sweeping element described with reference to the surface cleaning machine 10.
  • the tank 222 is designed to be removable, for example. It can also be fixedly positioned on the cleaning head 204.
  • a device body is pivotable about a pivot axis 240 via a pivot bearing 242 to the cleaning head 204.
  • the device body is shown in FIG Figure 11 indicated by the reference number 244.
  • both the first cleaning roller unit 206 and the second cleaning roller unit 210 act on this surface to be cleaned.
  • the counter-rotating rotation results in a high cleaning effect.
  • Dirt fluid (dirt particles, cleaning liquid possibly with loosened dirt) is carried along by the first cleaning roller unit 206 and the second cleaning roller unit 210.
  • dirty fluid is released from the first cleaning roller unit 206 and the second cleaning roller unit 210 by the stripping guide device 230 and is coupled into the dirty fluid tank device 220 at the respective first part 226 and second part 228 of the inlet opening 224.
  • the dirty fluid is coupled in without a suction fan.
  • the inlet opening 224 is arranged in close proximity to the first cleaning roller unit 206 and the second cleaning roller unit 210.

Landscapes

  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)
EP16709046.3A 2016-03-09 2016-03-09 Flächen-reinigungsmaschine Active EP3426122B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16709046T PL3426122T3 (pl) 2016-03-09 2016-03-09 Maszyna do czyszczenia powierzchni

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2016/055046 WO2017152973A1 (de) 2016-03-09 2016-03-09 Flächen-reinigungsmaschine

Publications (2)

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EP3426122A1 EP3426122A1 (de) 2019-01-16
EP3426122B1 true EP3426122B1 (de) 2021-06-16

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US (1) US11058274B2 (zh)
EP (1) EP3426122B1 (zh)
CN (2) CN109068924B (zh)
PL (1) PL3426122T3 (zh)
WO (1) WO2017152973A1 (zh)

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CN109068924A (zh) 2018-12-21
US20190000292A1 (en) 2019-01-03
EP3426122A1 (de) 2019-01-16
CN109068924B (zh) 2022-01-28
CN114403756A (zh) 2022-04-29
WO2017152973A1 (de) 2017-09-14
PL3426122T3 (pl) 2021-12-13
US11058274B2 (en) 2021-07-13

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