EP4201284B1 - Machine de nettoyage de sol dotée d'une languette de préhension et procédé de retrait d'un dispositif de réservoir de fluide sale à partir d'une tête de nettoyage - Google Patents

Machine de nettoyage de sol dotée d'une languette de préhension et procédé de retrait d'un dispositif de réservoir de fluide sale à partir d'une tête de nettoyage Download PDF

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Publication number
EP4201284B1
EP4201284B1 EP22213142.7A EP22213142A EP4201284B1 EP 4201284 B1 EP4201284 B1 EP 4201284B1 EP 22213142 A EP22213142 A EP 22213142A EP 4201284 B1 EP4201284 B1 EP 4201284B1
Authority
EP
European Patent Office
Prior art keywords
cleaning
cleaning head
floor
holding rod
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
EP22213142.7A
Other languages
German (de)
English (en)
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EP4201284A1 (fr
Inventor
Tobias ENTERLEIN
Michael Scharmacher
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
Publication of EP4201284A1 publication Critical patent/EP4201284A1/fr
Application granted granted Critical
Publication of EP4201284B1 publication Critical patent/EP4201284B1/fr
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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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating brushes
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • 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
    • A47L11/4025—Means for emptying
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4077—Skirts or splash guards
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/04—Nozzles with driven brushes or agitators

Definitions

  • the invention relates to a floor cleaning machine comprising a cleaning head, a holding rod device which is connected to the cleaning head, at least one cleaning roller unit which is arranged on the cleaning head, and a dirt fluid tank device which is removably seated on a base of the cleaning head.
  • the invention relates to a method for removing a dirty fluid tank device for a cleaning head in a floor cleaning machine.
  • the WO 2021/013343 A1 discloses a floor cleaning machine with a floor head, wherein in a parking position of the floor cleaning machine the floor head is supported on a base by a stand device such that a cleaning roller is spaced from the base, wherein a tank device has at least one continuous recess through which a stand of the stand device is immersed at least in the parking position.
  • the US 2010/0251505 A1 and the US 2017/0127901 A1 reveal more floor cleaning machines.
  • the DE 20 2015 101 302 U1 reveals a cleaning device in the form of a vacuum cleaner.
  • WO 2016/058901 A1 From the WO 2016/058801 A1 , WO 2016/058856 A1 , WO 2017/063663 A1 , WO 2016/058879 A1 , WO 2016/058956 A1 are surface cleaning machines known. From the WO 2016/058907 A1 A surface cleaning machine is also known.
  • a portable floor cleaning device which has a roller driven by an electric motor.
  • a floor cleaner which comprises a handle, a main body, a roller mechanism with a roller with a cleaning belt, a scraper and a dirt fluid receptacle.
  • a surface cleaning machine with a cleaning roller and a drive unit for driving the cleaning roller is known.
  • a dirt tray 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.
  • From the EN 10 2007 054 500 A1 is a household floor cleaning device with a wiping roller.
  • a cleaning machine station for a cleaning machine is known, wherein the cleaning machine station has a receiving chamber for a cleaning head of the cleaning machine.
  • the CN107007215A reveals a floor cleaning robot.
  • the EN 20 2018 104 772 U1 discloses a dirty water collecting mechanism and dirty water detecting mechanism and a cleaning device.
  • Cleaning machines are also available from 2017101723 A4 , the CN 206687671 U , the EN 20 2016 105 300 U1 , the US9,622,637 B1 , the CN 205359367 U , the US 2017/0119225 A1 , the CN 205181250 U , the CN 205181251 U , the CN 205181256 U , the DE 20 2016 105 299 U , the WO 2017/059602 A1 , the WO 2017/059600 A1 , the WO 2017/059601 A1 , the WO 2017/059603 A1 or the EN 20 2016 105 301 U1 known.
  • the invention is based on the object of providing a floor cleaning machine of the type mentioned at the outset, in which the dirty fluid tank device can be easily removed from the cleaning head by an operator.
  • a step tab is arranged on the dirty fluid tank device, which protrudes beyond the base when the dirty fluid tank device is fixed to the base.
  • the step tab allows an operator to act on the dirty fluid tank device without having to touch it.
  • the dirty fluid tank device when removing the dirty fluid tank device from the cleaning head, the dirty fluid tank device can be fixed to a floor by applying force to the tread plate. This minimizes the movement of the dirty fluid tank device during a removal process. This in turn minimizes the fluctuation of dirty fluid within the dirty fluid tank device.
  • the tread plate reduces the risk of a parked floor cleaning machine with a dirt fluid tank attached to it falling over.
  • the cleaning head has a front end and a rear end facing away from the front end, wherein the at least one cleaning roller unit is located in the area of the front end and, when the dirt fluid tank device is fixed to the base, the tread plate is positioned in the area of the rear end, and in particular the tread plate projects backwards beyond the rear end of the base. An operator can therefore act directly on the tread plate from an operator side of the floor cleaning machine.
  • the at least approximately parallel alignment of the tread plate to the installation surface results in easy operation for an operator and easy access to the tread plate.
  • the tread plate By arranging the tread plate at a height distance from the installation surface, it does not touch the floor to be cleaned.
  • the cleaning head is stable positioned on the surface to be cleaned.
  • the support element is arranged on a base of the cleaning head and not on the dirty fluid tank device. This makes it easy to achieve a floating mounting of the dirty fluid tank device on the cleaning head.
  • the dirty fluid tank device is suspended from the base. This makes it easy to achieve floating storage.
  • the dirty fluid tank device can be easily removed from the cleaning head by applying force to the treadle.
  • the cleaning head and the dirty fluid tank device can be easily fixed in place, in particular by placing the cleaning head onto the dirty fluid tank device from above.
  • At least one holder and in particular a holding dome or holding mushroom is located on the base and in particular at least two spaced holders are provided and the dirty fluid tank device has an associated receptacle for the at least one holder, wherein when the dirty fluid tank device is held on the base, the at least one holder is immersed in the associated receptacle.
  • a hanging holder of the dirty fluid tank device on the base can be realized in a simple manner.
  • the dirty fluid tank device can be easily attached to the The cleaning head can be fixed and released from it.
  • the holder can be released by removing it from the holder, or fixed by inserting the holder into the holder.
  • a holder-receiver combination is designed as a locking connection device. This allows a fixing position to be locked in a simple manner.
  • the at least one holder has a first element and the associated receptacle has a second element, which are adapted to one another in such a way that when the first element is in contact with the second element in a locking position, the dirty fluid tank device is prevented from falling downwards away from the base and the locking can be released by applying a certain amount of force.
  • a corresponding design can be implemented in a structurally simple manner. The dirty fluid tank device can be easily detached from the cleaning head or it can be easily fixed in place.
  • first element and the second element are designed to be adapted to one another in such a way that a direction of force when a force is applied to release the blocking is in a direction transverse to an underside of the base away from the base, with the underside of the base facing the dirty fluid tank device when the dirty fluid tank device is held on the base.
  • This makes it easy to achieve a release by applying force to the tread plate, in particular via an operator's foot.
  • the dirty fluid tank device can be fixed to a floor by applying force to the tread plate and a release can be achieved by lifting the cleaning head.
  • the second element is designed as a spreading element which can be spread open with a corresponding amount of force
  • the first element is a locking element and is surrounded by the second element
  • the first element is designed as a spreading element which can be spread open with a corresponding amount of force
  • the first element surrounds the second element, wherein the second element is a locking element.
  • the spreading element comprises at least one movable tab and advantageously a plurality of tabs. A movement is achieved by applying a corresponding amount of force. In this way, a locking position can be reached or released in a simple manner.
  • the receptacle for the associated holder has an extension on an upper side of the dirty fluid tank device and is in particular funnel-shaped, wherein when the dirty fluid tank device is held on the base, the upper side of the dirty fluid tank device faces the base. This makes it possible to introduce the holder into the receptacle. Centering can also be achieved. This makes it particularly easy to fix the dirty fluid tank device to the cleaning head.
  • step tab is arranged and designed in such a way that when the cleaning head is correctly positioned on a floor to be cleaned, an operator can release the dirty fluid tank device from the base by applying force to the step tab and lifting the cleaning head away from the floor to be cleaned. This means that the dirty fluid tank device can be released from the base without having to touch it manually.
  • the holding rod device is arranged and designed in such a way that the cleaning head can be lifted off using the holding rod device. An operator then does not have to bend down or kneel in order to release the cleaning head.
  • the cleaning head can be placed on top of the dirty fluid tank device and the dirty fluid tank device can be fixed to the base.
  • An operator can, for example, use the foot strap to fix the dirty fluid tank device to the floor.
  • the dirty fluid tank device can be fixed to the base by simply placing it on top.
  • This solution makes it possible to create a floor cleaning machine in which the holding rod device is supported by its weight on the at least one cleaning roller unit. This achieves a large, in particular maximum, contact pressure due to the dead weight of the holding rod device for the cleaning head on a floor to be cleaned.
  • the swivel joint accordingly, it is easy to ensure that the cleaning head, on which a dirt fluid tank device is detachably arranged, is in the same position in relation to the floor to be cleaned in every position of the swivel joint. This also improves the cleaning result.
  • the swivel joint is designed as an orbital joint with an orbital path guide of the holding rod device on the cleaning head. This makes it easy to achieve coaxiality between the swivel axis of the swivel joint and the axis of rotation. In particular, this makes it possible to ensure that when the holding rod device is swiveled towards the cleaning head, when the cleaning head with the at least one cleaning roller unit is properly placed on the floor to be cleaned, the cleaning roller unit rotates on the floor due to the swiveling.
  • the swivel joint has a track guide device which is seated on the cleaning head in a rotationally fixed manner and which has a circular track section with a center which lies on the swivel axis, and the swivel joint has a counter device which is seated on the holding rod device in a rotationally fixed manner and which is supported on the track guide device.
  • a track guide device which is seated on the cleaning head in a rotationally fixed manner and which has a circular track section with a center which lies on the swivel axis
  • the swivel joint has a counter device which is seated on the holding rod device in a rotationally fixed manner and which is supported on the track guide device.
  • the circular path section surrounds the at least one cleaning roller unit from two sides. This makes it easy to create a swivel joint and in particular an orbital joint whose swivel axis coincides with the rotation axis of the at least one cleaning roller unit.
  • the counter device is supported by at least three support points on the track guide device. This results in a mechanically stable swivel joint construction.
  • the swivel joint is arranged centrally between a first lateral side and a spaced-apart second lateral side of the cleaning head. This results in a symmetrical design and tilting moments and the like are avoided.
  • the at least one cleaning roller unit moves along with the pivoting of the holding rod device about the pivot axis. It then rolls on a floor to be cleaned when the cleaning head is properly supported on the floor to be cleaned via the at least one cleaning roller unit. This movement is superimposed on the rotational movement of the at least one cleaning roller unit about the rotation axis.
  • a drive motor is provided for the cleaning roller unit, which is connected to the holding rod device in a rotationally fixed manner with respect to the pivotability of the holding rod device about the pivot axis.
  • the drive motor is pivoted as well. This makes it possible to create a drive train with the drive motor and the cleaning roller unit (on a roller holder) in which no sliding coupling or the like needs to be provided.
  • a gear device for transmitting a torque from a drive motor to the at least one cleaning roller unit, in which the gear device is connected to the holding rod device in a rotationally fixed manner with respect to a pivotability of the holding rod device about the pivot axis. This allows the entire drive train consisting of the drive motor and gear device to be pivoted relative to the cleaning head by pivoting the holding rod device on the cleaning head and no additional coupling is necessary.
  • a roller holder is provided on which the at least one cleaning roller unit is seated, the roller holder being connected to the holding rod device in a rotationally fixed manner with respect to the pivotability of the holding rod device.
  • the entire drive train comprising the drive device, gear device and drive motor is connected to the holding rod device in a rotationally fixed manner and can be pivoted with it.
  • the at least one cleaning roller unit is seated on a roller holder on a shaft with a first shaft part, a middle part and a second shaft part, the middle part being located between the first shaft part and the second shaft part, and a first roller part of the at least one cleaning roller unit being arranged on the first shaft part and a second roller part of the at least one cleaning roller unit being arranged on the second shaft part, and a middle drive being provided which acts on the middle part, and the middle part being arranged in alignment with the pivot joint with respect to a longitudinal axis of the cleaning head.
  • This middle drive enables the first roller part and the second roller part to be guided to the lateral side ends of the cleaning head. This enables cleaning close to the edge to be achieved.
  • the alignment of the pivot joint with the middle part means that tipping moments and the like can be avoided.
  • the holding rod device has a first part and a second part, wherein the first part is hinged to the cleaning head and the second part is rotatable about an axis of rotation relative to the first part, wherein in particular the axis of rotation is oriented transversely and preferably perpendicular to the pivot axis of the pivot joint.
  • the additional rotatability makes it easier for an operator, for example, to carry out a cleaning process in corners or the like. He can position the cleaning head in different ways relative to himself due to the rotatability about the axis of rotation.
  • the axis of rotation is, for example, parallel to a longitudinal axis of the first part or, for example, parallel to a longitudinal axis of the second part.
  • the lockable parking position is a rest position for the floor cleaning machine, in particular when not in use. Rotation is possible outside of this rest position in order to achieve extensive cleaning options.
  • the locking device can be implemented in a simple manner using the movable slide.
  • the spring support makes it easy to automatically reach the locking position for a parking position.
  • the spring support is such that outside the parking position the slide is held in such a position that there is no positive connection with the second part.
  • the slide is moved against the force of the spring device in particular by appropriately supporting the slide on the cleaning head so that the positive connection is achieved.
  • the slider has a nose, wherein the nose then enables the cleaning head, in particular the parking position, to act in order to push the slider into the positive locking position with the second part of the holding rod device or to hold it there.
  • overload protection is provided for the locking device. This reduces or prevents the risk of damage to the floor cleaning machine when subjected to high force, particularly in the parking position.
  • An alternative option is provided to reduce the risk of damage.
  • the slide is designed in several parts, so that in the parking position, when it is not possible to move the slide as a whole, the parts of the slide can move relative to each other in order to provide overload protection and reduce the risk of damage.
  • the slide as a whole can be moved with the first part and with the second part in order to reach the locking position or to be able to release the locking position.
  • the multi-part design allows the slider itself to deflect under high force loads.
  • the holding rod device has a first region with a first longitudinal axis and a second region with a second longitudinal axis, wherein the first longitudinal axis and the second longitudinal axis are oriented at an obtuse angle to one another, wherein in particular the obtuse angle lies in the range between 120° and 170°.
  • a small lower limit means that the machine can be easily driven under furniture, for example.
  • a lockable parking position allows the holding rod device to be positioned in a stable manner relative to the cleaning head and an overall stable position for the floor cleaning machine to be parked or, for example, for cleaning the at least one cleaning roller unit.
  • a locking device which locks the holding rod device at the upper limit to the cleaning head in such a way that the holding rod device cannot pivot towards the cleaning head. This allows the holding rod device to be locked to the cleaning head. This results in a storage position for the floor cleaning machine. This also makes it easy to carry out an automated cleaning process of the at least one cleaning roller unit or of other parts of the floor cleaning machine at a corresponding floor station. The holding rod device is prevented from "falling down”.
  • the locking device comprises at least one spring-loaded pin and an associated immersion opening for the pin, wherein (i) the at least one pin is arranged in a rotationally fixed manner on the holding rod device and the associated immersion opening is arranged in a rotationally fixed manner on the cleaning head, or (ii) the at least one pin is arranged in a rotationally fixed manner on the cleaning head and the associated immersion opening is arranged in a rotationally fixed manner on the holding rod device.
  • a locking device can be implemented in a structurally simple manner by means of a pin immersion opening. The locking can be easily established and also released by an operator. In particular, the locking can be achieved automatically by reaching a certain pivot position (in particular upper limit). Furthermore, the locking position (blocking position) can be easily released by exerting force on the holding rod device.
  • the pin is arranged in particular so that it can be moved and is spring loaded.
  • the pin By guiding the first inclined plane, the pin can be positioned against the effect of the spring force, which allows it to be immersed in the immersion opening.
  • the spring loading pushes the pin into the immersion opening as soon as it is reached.
  • This locking process can be carried out solely by means of a swivel movement on the holding rod device and is therefore carried out automatically.
  • a corresponding locking position with the pin immersed in the immersion opening can be achieved directly by swiveling, in particular to an upper limit of the swivel angle range.
  • the first contact surface which is adapted to the first inclined plane, enables easy, automated access to the corresponding locking position.
  • the second inclined plane can be used to set the appropriate amount of force required to guide the pin out of the insertion opening again.
  • the amount of force can be achieved by applying a torque to the holding rod device. This allows the locking position to be released automatically. An operator then only has to swivel the holding rod device towards the cleaning head without having to perform any further intervention to release the lock.
  • the first inclined plane and the second inclined plane also make it easy to set the amount of force required to reach the locking position (pin immersed in the immersion opening) or to release the locking position (pin emerges from the immersion opening).
  • the dimensions are designed such that the amount of force required to release the locking position is greater than that required to reach the locking position.
  • the positioning of the step tab on the dirty fluid tank device makes it easy to detach the dirty fluid tank device from the cleaning head. Furthermore, the risk of the floor cleaning machine tipping over when it is parked is reduced.
  • dirty fluid can be easily removed and, in particular, coupled into the dirty fluid tank device without suction.
  • the cleaning head has at least one support element, via which the cleaning head is supported at a distance from the at least one cleaning roller unit on a floor to be cleaned, wherein in particular the at least one support element is firmly connected to the cleaning head in such a way that when a dirty fluid tank device is removed from the cleaning head, the at least one support element remains on the cleaning head.
  • the weight of the cleaning head can thus be supported on the floor to be cleaned via the at least one cleaning roller unit and the at least one support element, independently of the dirty fluid tank device. This makes it possible to always keep the dirty fluid tank device parallel to the floor and in the same relation to the at least one cleaning roller unit.
  • a sweeping element which is arranged on the dirty fluid tank device can be positioned in the same position as the floor to be cleaned for an optimized cleaning result. Furthermore, the dirty fluid tank device can be easily held hanging with respect to the cleaning head. This in turn makes it easy to remove or fix it to the cleaning head. Furthermore, a movable or floating mounting of the dirty fluid tank device on the cleaning head can be easily realized.
  • the at least one support element is aligned with the pivot bearing relative to a longitudinal axis of the cleaning head. This minimizes tilting moments and the like.
  • the sweeping element this can be achieved in a simple manner if it is arranged on the dirty fluid tank device and the dirty fluid tank device is movable and in particular floating on the cleaning head.
  • the cleaning head has a support surface for a floor to be cleaned, which is in particular a flat surface, and the cleaning head is assigned a horizontal plane parallel to the support surface, and when the floor cleaning machine is operating properly, the horizontal plane of the cleaning head is always in the same position to the support surface regardless of a pivoting position of the holding rod device to the cleaning head.
  • the options of dry sweeping, wet wiping and a combination of sweeping and wet wiping can be implemented on one device and adjusted accordingly by an operator. If necessary, an adjustment to the respective operating mode can be made by replacing at least one cleaning roller unit.
  • a method of the type mentioned at the outset is further provided, in which the cleaning head is properly placed on a floor, the operator places his foot on the footrest and exerts a lifting force on the cleaning head via the holding rod device.
  • the method according to the invention is carried out in the floor cleaning machine according to the invention.
  • the lifting force causes the cleaning head to be lifted off the floor. This makes it easy to use. In principle, however, it is also possible for the lifting force to pull the cleaning head upwards.
  • the holding rod device in order to lift the cleaning head, is brought into a locking position by pivoting the holding rod device relative to the cleaning head, in which the pivotability of the holding rod device is locked to the cleaning head, the holding rod device in the locking position being oriented at an angle in the range between 70° and 110° and in particular at approximately 90° to the floor.
  • a parking position of the holding rod device in relation to the cleaning head is achieved.
  • an action on the holding rod device directly affects the cleaning head due to the locking. If a torque is exerted on the holding rod device, this also acts on the cleaning head. It can therefore be lifted in a simple manner and, in particular, a pivoting movement can be achieved.
  • An embodiment of a surface cleaning machine according to the invention is a floor cleaning machine 10.
  • the basic structure of the floor cleaning machine 10 and its basic mode of operation is explained with reference to the Figures 1 to 3 explained.
  • the floor cleaning machine 10 is particularly suitable for cleaning hard floors.
  • the floor cleaning machine 10 comprises a cleaning head 12.
  • the cleaning head 12 is a floor head.
  • the cleaning head 12 is mounted on a base 14 on a floor 16 to be cleaned.
  • the installation surface 14 is in particular a flat surface.
  • one cleaning roller unit 18 is arranged on the cleaning head 12. In the embodiment shown, exactly one cleaning roller unit 18 is provided.
  • the cleaning roller unit 18 may comprise a single-piece cleaning roller or a multi-piece cleaning roller, as explained in more detail below.
  • the cleaning head 12 has a front end 20 and a rear end 22 facing away from the front end.
  • a longitudinal axis 24 of the cleaning head 12 extends between the front end 20 and the rear end 22.
  • the cleaning head 12 has a first lateral side 26 and an opposite second lateral side 28.
  • a spacing direction between the first lateral side 26 and the second lateral side 28 is transverse and in particular perpendicular to the longitudinal axis 24.
  • the cleaning roller unit 18 is arranged in the area of the front end 20 of the cleaning head 12. When the floor cleaning machine 10 is operating properly, an operator stands behind the rear end 22 of the cleaning head 12 on the floor 16 to be cleaned.
  • the installation surface 14 is connected via the cleaning roller unit 18 and at least one installation element (in the Figures 1 to 3 not shown).
  • the cleaning head 12 and thus also the floor cleaning machine 10 are supported on the floor 16 to be cleaned via the cleaning roller unit 18 and the at least one support element.
  • the cleaning head 12 has a base 30.
  • This base 30 is a basic body of the cleaning head 12.
  • a removable dirty fluid tank device 32 is located on the cleaning head 12.
  • the dirty fluid tank device 32 holds dirty fluid.
  • Dirty fluid is understood here to mean a flowable fluid which can be wet or dry.
  • the dirty fluid can, for example, comprise cleaning fluid with dirt particles or just dust particles.
  • the dirty fluid tank device 32 can comprise several separate individual parts which can be individually fixed to the base 30 and can be removed therefrom.
  • the dirty fluid tank device 32 comprises a unit having one or more separate chambers for dirty fluid.
  • a step tab 34 which projects to the rear, is located on the dirty fluid tank device 32. This serves to facilitate the removal of the dirty fluid tank device 32 from the cleaning head 12, as will be explained in more detail below.
  • a holding rod device 36 is pivotally connected to the cleaning head 12 via a pivot joint.
  • the holding rod device 36 is designed such that a standing operator can hold the floor cleaning machine 10 and guide it over the floor 16 to be cleaned.
  • a handle 38 is arranged proximally on the holding rod device 36.
  • the handle 38 is designed as a closed bow handle.
  • Other designs, such as a non-closed bow handle and the like, are also possible.
  • operating elements such as an on/off switch and further operating elements, for example for control, are arranged on the handle 38 or on the holding rod device 36 in the vicinity of the handle 38.
  • the holding rod device 36 is articulated to the base 30 via the swivel joint.
  • a swivel axis 40 ( Figure 2 ) of the pivot joint of the articulation of the holding rod device 36 to the cleaning head 12 is parallel to the installation surface 14.
  • the pivot axis 40 is transverse and in particular perpendicular to the longitudinal axis 24.
  • the holding rod device 36 has a (second) longitudinal axis 42, along which the holding rod device 36 extends to the handle 38.
  • the pivot axis 40 lies transversely and in particular perpendicular to this second longitudinal axis 42 of the holding rod device 36.
  • the holding rod device 36 has a further pivotability with respect to the mobility to the cleaning head 12, wherein the corresponding axis of rotation 41 is oriented transversely to the pivot axis 40.
  • This rotatability is in Figure 1 indicated by the arrow with the reference number 44.
  • the corresponding axis of rotation 41 of this rotatability 44 is, for example, parallel or coaxial to a first longitudinal axis 80 of the holding rod device 36 (see below).
  • this rotatability 44 is formed by a corresponding design of the holding rod device 36 with a first part 278 and a second part 280 that can be rotated relative to the first part 278. This is explained below in particular with reference to the Figures 15 to 18 explained in more detail.
  • the floor cleaning machine 10 comprises a drive motor (in the Figures 1 to 3 not shown), by means of which the cleaning roller unit 18 is driven in rotation about a rotation axis 46.
  • the cleaning roller unit 18 has a single rotation axis 46, even if it comprises a multi-part cleaning roller.
  • the rotation axis 46 is parallel to the support surface 14. It is oriented perpendicular to the longitudinal axis 24. It is parallel to the pivot axis 40.
  • the pivot axis 40 of the pivotability of the holding rod device 36 on the cleaning head 12 and the rotation axis 46 are coaxial with each other.
  • the drive motor is arranged on the cleaning head 12, or on the holding rod device 36, or on a transition region between the holding rod device 36 and the cleaning head 12. It acts on the cleaning roller unit 18 and provides a corresponding torque for a rotary drive of the cleaning roller unit.
  • the floor cleaning machine 10 can be mains operated or battery operated.
  • a battery holder 48 is provided which accommodates one or more batteries and in particular rechargeable batteries.
  • the batteries can be arranged fixedly on the floor cleaning machine 10 or can be removed from it.
  • the battery holder 48 is arranged on the holding rod device 36. In principle, however, an arrangement on the cleaning head 12 is also possible.
  • the floor cleaning machine 10 is designed in particular for wet cleaning of hard floors.
  • a tank device 50 for cleaning fluid is provided.
  • the cleaning fluid is in particular fresh water, optionally with a cleaning agent additive.
  • the cleaning roller unit 18 can be directly moistened and/or the floor 16 to be cleaned can be moistened using cleaning fluid from the tank device 50. This makes it easier to remove dirt, and the corresponding dirt fluid is absorbed by the cleaning roller unit 18 and delivered to the dirt fluid tank device 32.
  • the tank device 50 is arranged on the holding rod device 36.
  • a corresponding supply device for cleaning liquid is provided, which leads from the tank device 50 to the cleaning head 12 in order to be able to moisten the cleaning roller unit 18 and/or the floor 16 to be cleaned with cleaning liquid.
  • FIG 3 The basic functional structure of the cleaning head 12 is shown and the basic functionality is explained using Figure 3 During cleaning operation, the cleaning head 12 is placed with its base 14 on the floor 16 to be cleaned (in Figure 3 the at least one further mounting element is not shown). The cleaning roller unit 18 acts on the floor to be cleaned and rotates in a direction of rotation 52.
  • the dirty fluid tank device 32 is located on the base 30 of the cleaning head 12.
  • a mouth device 54 is arranged on the cleaning head 12, which has a mouth opening 56.
  • This mouth opening 56 is in fluid connection with the dirty fluid tank device 32 or is itself a mouth opening on the dirty fluid tank device 32.
  • the cleaning roller unit 18 rotates, it is rotated past the mouth opening 56.
  • the dirty fluid tank device 32 has a base 58. When the floor cleaning machine 10 is operating properly, this base 58 faces the floor 16 to be cleaned.
  • a wall 60 is located on the base 58 facing the cleaning roller unit 18, which leads to the mouth opening 56. The wall 60 is adapted to the cylindrical shape of the corresponding cleaning roller of the cleaning roller unit 18.
  • the cleaning head 12 has a sweeping element 62, which serves to feed coarse dirt to the cleaning roller unit 18.
  • This coarse dirt is in Figure 3 indicated by double arrows 64.
  • the coarse dirt 64 which is provided via the sweeping element 62 of the cleaning roller unit 18, can be taken along by the cleaning roller unit 18 and thrown into the dirty fluid tank device 32 via the mouth opening 56.
  • the sweeping element 62 is arranged on the base 30 or, as in Figure 3 shown, arranged on the dirty fluid tank device 32.
  • the cleaning roller unit 18 is moistened with cleaning fluid via a supply device 66 for cleaning fluid.
  • This moistening is in Figure 3 indicated by the wavy arrows with the reference number 68.
  • the humidification is arranged downstream of the mouth opening 56 in relation to the direction of rotation 52.
  • At least one stripping element 70 is provided, which is arranged on the base 30 and is positioned between the mouth opening 56 and the humidification region 68.
  • the stripping element 70 is in particular movably positioned on the base 30.
  • the stripping element 70 is seated on a holder 72 which is pivotally connected to the base 30.
  • This holder 72 is spring-loaded (in Figure 3 not shown). The spring action presses the stripping element 70 against the cleaning roller unit 18.
  • the cleaning roller unit 18 has a trimming for its cleaning rollers, which is arranged on a corresponding trimming holder.
  • the trimming is, for example, a textile material. However, it can also basically be a bristle trimming.
  • the stripping element 70 is arranged in such a way that it touches the trimmings and preferably dips into the trimmings.
  • the spring loading of the movable holder 72 ensures that it is pressed or pressed in accordingly.
  • the stripping element 70 forms a mouth wall of the mouth device 54 for the mouth opening 56.
  • the stripping element 70 separates the humidification area 68 from the mouth opening 56.
  • the stripping element 70 acts on the cleaning roller unit 18 and on the trimmings in such a way that dirty fluid is detached from the corresponding cleaning roller (and in particular moist dirty fluid is detached) and is conveyed via the mouth opening 56 into the dirty fluid tank device 32.
  • This dirty fluid 74 separated by the scraping element 70 can also contain coarse dirt particles which were not transported directly into the dirty fluid tank device 32 via the mouth opening 56.
  • the floor cleaning machine 10 with the training according to Figure 3 has a sweeping function, by means of which coarse dirt (and also dry coarse dirt) can be swept from the floor 16 to be cleaned. It has a wiping function, by means of which the floor 16 to be cleaned can be moistened via the moistening 68 and wet dirty fluid can be absorbed and can be detached via the scraping element 70 and transported into the dirty fluid tank device 32.
  • the cleaning roller unit 18 is in particular positioned interchangeably on the cleaning head 12. This means that, for example, the cleaning roller unit 18 or a cleaning roller can be cleaned easily. This also makes it possible to adapt it to the specific cleaning process. If, for example, a cleaning roller of the cleaning roller unit 18 has a textile trim such as a microfiber trim, wet cleaning and sweeping cleaning can be carried out at the same time. It is also possible, for example, for a cleaning roller with bristle trim is used to carry out a pure sweeping process. (In particular, during the pure sweeping process, moistening of the cleaning roller unit 18 or the floor 16 to be cleaned is switched off.)
  • the dirty fluid tank device 32 in particular with the sweeping element 62 fixed thereto, is arranged floating to the base 30 in order, for example, to be able to position the sweeping element 62 in the same position to the cleaning roller unit 18 regardless of a trim length of the cleaning roller unit 18.
  • the basic functionality of the floor cleaning machine 10, as shown in the Figure 3 explained, is also possible for a cleaning head 12 without a holding rod device 36 and in particular for a self-propelled and self-steering cleaning machine ("cleaning robot").
  • cleaning robot a self-propelled and self-steering cleaning machine
  • the battery holder 48 and the tank device for cleaning liquid 50 are then arranged in the cleaning head 12 itself.
  • dirty fluid is conveyed via the cleaning roller unit 18 into the dirty fluid tank device 32 without the need for a suction unit.
  • the dirty fluid tank device 32 can be removed from the cleaning head 12 for emptying.
  • dirty fluid located in the dirty fluid tank device 32 it is also possible for dirty fluid located in the dirty fluid tank device 32 to be sucked out.
  • a corresponding suction unit device and an associated additional dirty fluid tank are arranged on the holding rod device 36.
  • the holding rod device 36 has a first region 76 and a second region 78.
  • the first region 76 is arranged at an angle to the second region 78.
  • the first region 76 is a distal region, and the handle 38 and thus also the proximal region are located on the second region 78.
  • control panel with several control elements is arranged on the handle 38 or on the second area 78.
  • the tank device 50 for cleaning fluid is arranged at the second region 78.
  • control panel comprises a switch that can be used to switch whether the cleaning roller unit 18 and/or the floor 16 to be cleaned is moistened using cleaning fluid from the tank device 50 for cleaning fluid 50. This makes it possible to carry out a dry sweeping operation or a wet wiping operation, depending on the operator's choice.
  • the first region 76 extends in a first longitudinal axis 80 (see also Figure 1 ), and the second region 78 along the second longitudinal axis 42.
  • the first region 76 and the second region 78 lie at an obtuse angle 82 ( Figure 1 ) to each other, which lies between 120° and 170°.
  • this obtuse angle 82 is approximately 145°.
  • the first region 76 and the second region 78 are continuously connected to one another.
  • the holding rod device 36 is articulated to the cleaning head 12 and thereby to the base 30 by means of a pivot joint 84.
  • the pivot axis 40 of the pivot joint 84 coincides with the rotation axis 46 of the rotation of the cleaning roller unit 18.
  • the swivel joint 84 is designed as an orbital joint. It comprises a path guide device 86, which is seated in a rotationally fixed manner on the cleaning head 12 and thereby on the base 30. This path guide device 86 comprises a circular path section 88. A center of the circular path section 88 lies on the swivel axis 40/rotation axis 46.
  • a counter device 90 is connected in a rotationally fixed manner to the first region 76 and is supported on the web guide device 86.
  • the counter device 90 is guided in a sliding manner on the circular path section 88 of the path guide device 86; there is an orbital guidance of the counter device 90 on the circular path section 88 of the path guide device 86.
  • At least three support points are provided for guiding the counter device 90 on the web guide device 86.
  • the circular path section 88 is arranged with a partial area behind the cleaning roller unit 18 in relation to the longitudinal axis 24 of the cleaning head 12. In relation to a height axis 92, which is perpendicular to the longitudinal axis 24 and perpendicular to the installation surface 14, the circular path section 88 is arranged with a partial area above the cleaning roller unit 18.
  • the circular path section 88 is, for example, at least approximately designed as a quarter-circle section, which to a certain extent encompasses the cleaning roller unit 18.
  • the swivel joint is positioned centrally between the first lateral side 26 and the second lateral side 28 on the base 30. It is arranged in particular symmetrically on the cleaning head 12. It lies on a central plane 94 (see Figure 2 ), which is located centrally between the first lateral side 26 and the second lateral side 28 and is oriented perpendicular to the rotation axis 46 or pivot axis 40.
  • the center plane 94 is also oriented perpendicular to the support surface 14.
  • a drive motor 98 which is in particular an electric motor, is provided for driving the cleaning roller unit 18 in the rotational movement of the rotation axis 46 with the rotation direction 52. This is connected in a rotationally fixed manner to the holding rod device 36, so that it is pivoted when the holding rod device 36 pivots about the pivot axis 40.
  • the drive motor 98 is positioned on the holding rod device 36 and in particular positioned on the first region 76.
  • the first region 76 of the holding rod device 36 has a housing 100 which accommodates the drive motor 98.
  • a battery holder 48' is arranged on the first region 76 or on a transition between the first region 76 and the second region 78. (In the embodiment shown in the Figures 1 and 2 In the embodiment shown, the battery holder 48 is arranged on the second region 78.)
  • a free space 102 (compare Figure 5 ) which is centrally located between the first lateral side 26 and the second lateral side 28 and lies on the center plane 94.
  • This free space 102 forms a pivoting space in which the holding rod device 36 is movable, wherein in particular the first region 76 is movable in this free space 102.
  • the free space 102 is open towards the rear end 22.
  • the housing 100 with the drive motor 98 is movable in the free space 102.
  • the free space 102 provides a large pivoting angle range for pivoting the holding rod device 36 about the pivot axis 40 relative to the base 30.
  • the floor cleaning machine 10 has a transmission device 104 ( Figure 7 ), which serves to transmit a torque from the drive motor 98, which is positioned at a distance from the cleaning roller unit 18, to the cleaning roller unit 18.
  • the gear device 104 also comprises a reduction gear, which serves to reduce the speed, so that a speed of the cleaning roller unit 18 during rotation about the rotation axis 46 is lower than a drive speed of the drive motor 98.
  • the transmission device 104 comprises, for example, a belt transmission and the speed reduction gear.
  • the cleaning roller unit 18 is or comprises a roller holder 106.
  • the roller holder 106 in turn comprises a shaft 108, which is connected in a torque-effective manner to the gear device 104.
  • the shaft 108 rotates about the rotation axis 46 when driven by the drive motor 98.
  • the shaft 108 (see Figure 6 ) a first shaft part 110, a second shaft part 112 and a middle part 114, which is connected to the first shaft part 110 and the second shaft part 112.
  • the shaft 108 with the first shaft part 110, the second shaft part 112 and the middle part 114 forms a unitary shaft with a single axis of rotation, namely the axis of rotation 46.
  • the middle part 114 is located centrally between the first lateral side 26 and the second lateral side 28 and is located on the middle plane 94.
  • the first shaft portion 110 receives a first roller portion 116 and the second shaft portion 112 receives a second roller portion 118 of the cleaning roller unit 18.
  • the first roller portion 116 and the second roller portion 118 are separate units, but rotate about the same rotation axis 46 when seated on the shaft 108.
  • the first roller part 116 which sits on the first shaft part 110, reaches up to the first lateral side 26 or almost up to it.
  • the second roller part 118 which sits on the second shaft part 112, reaches up to the second lateral side 28 or almost up to it.
  • the middle part 114 of the shaft 108 is roller-free.
  • the gear device 104 is coupled to it in a torque-effective manner. There is a central drive of the cleaning roller unit 18.
  • the first roller part 116 and the second roller part 118 are each placed from the outside onto the associated shaft part 110 or 112 and locked accordingly with the associated shaft part 110 or 112 in order to obtain a rotationally fixed connection.
  • the central part 114 of the shaft 108 and thus the roller holder 106 and the swivel joint 84 are aligned. They lie on the central plane 94 and are in particular each mirror-symmetrical to the central plane 94.
  • the cleaning head 12 has, as mentioned above, (at least) one support element 120.
  • exactly one support element 120 is provided ( Figure 7 , Figure 19(d) , Figure 23 , 24 ).
  • the support element 120 is spaced apart from the cleaning roller unit 18 and defines the installation surface 14 with the latter.
  • the support element 120 is located on the base 30. Even if the dirty fluid tank device 32 is removed, the cleaning head 12 with the cleaning roller unit 18 and the support element 120 can be set up on a floor 16.
  • the support element 120 comprises a post 122 on which a roller or a slider 124 is located.
  • the roller or the slider 124 serves to provide support on the floor 16 to be cleaned.
  • the roller or the slider 124 for example a skid being provided, is guided over the floor 16 to be cleaned when the floor cleaning machine 10 is guided.
  • the base 30 has a bottom side 126 facing the dirty fluid tank device 32.
  • the post 122 projects transversely and in particular vertically from this bottom side 126 in the direction of the installation surface 14.
  • the support element 120 is aligned with the central part 114 of the shaft 108 with respect to the longitudinal axis 24.
  • the support element 120 is located on the center plane 94.
  • a plurality of support elements are provided, they are arranged in particular in a row which lies on the center plane 94.
  • roller area on the middle part 114 of the shaft 108 there is no roller area on the middle part 114 of the shaft 108, and during cleaning a central strip on the middle part 114 on the floor 16 to be cleaned remains unaffected. (Cleaning is carried out here by offset travel.) Due to the aligned arrangement of the support element 120 for this purpose, the support element 120 is displaced on a non-affected area of the floor 16.
  • the dirty fluid tank device 32 is adapted to the base 30 in terms of its shape and dimensions.
  • the dirty fluid tank device has the bottom 58 with the wall 16 and the mouth opening 56.
  • the dirty fluid tank device 32 has a bottom 127 and a top 128.
  • the top 128 of the dirty fluid tank device 32 faces the bottom 126 of the base 30.
  • the bottom 127 of the dirty fluid tank device 32 lies on the bottom 58 and faces away from the top 128.
  • the wall 60 and a further wall 130 which closes off the dirty fluid tank device 32 with an interior space for receiving dirty fluid.
  • the wall 60 of the dirty fluid tank device 32, on which the mouth opening 56 is located, has a cutout 132 (see Figure 6 ) which is adapted to the central portion 114 of the shaft 108.
  • the central portion 114 is at least partially seated in the cutout 132 of the dirty fluid tank device 32 with free rotation.
  • the mouth opening 56 of the mouth device 54 comprises in particular a first opening part 134 and a second opening part 136.
  • the first opening part 134 is associated with the first roller part 116 and the second opening part 136 is associated with the second roller part 118.
  • the dirty fluid tank device 32 has a first chamber 138 and a second chamber 140.
  • the first opening part 134 is formed on the first chamber 138 and the second opening part 136 is formed on the second chamber 140. Dirty fluid is coupled directly into the first chamber 138 via the first opening part 134 and dirty fluid is coupled directly into the second chamber 140 via the second opening part 136.
  • the two chambers 138 and 140 can be separated from each other in a fluid-tight manner or can be fluidly connected to each other so that dirty fluid can be evenly distributed in the dirty fluid tank device 32.
  • the dirty fluid tank device 32 has a lid 142 which at least partially forms the upper side 128. This lid 142 is spaced from the bottom 58.
  • the cover 142 is removable when the dirty fluid tank device 32 is removed from the cleaning head 12 in order to be able to empty the dirty fluid tank device 32.
  • the step tab 34 is arranged on the wall 130 of the dirty fluid tank device 32. It is arranged such that it is spaced from the installation surface 14 when the dirty fluid tank device 32 is fixed to the base 30.
  • the step tab 34 is arranged in alignment with the free space 102. It is a continuation of the free space 102 away from the rear end 22. It is arranged in such a way that it does not obstruct the corresponding pivoting space of the holding rod device 36 in the free space 102.
  • the tread plate 34 is located on the center plane 94 and is arranged and designed in particular mirror-symmetrical to this.
  • the tread plate 34 comprises a plate 144 which has raised edge walls 146 (see Figure 5 ).
  • the edge walls 146 are rounded.
  • the tread plate 34 has a width (in a direction parallel to the pivot axis 40 or rotation axis 46) which is at least as wide as typical dimensions of a foot with shoes.
  • An operator can place his foot on the footplate 34 and then, by exerting appropriate force, lift the cleaning head 12 to release the dirty fluid tank assembly 32 from the base 30. This is described in more detail below.
  • the raised, rounded edge walls 146 of the tread plate 134 prevent an operator's foot from slipping sideways. Sharp edges are avoided on the plate 144.
  • spaced apart webs or grooves are arranged on the plate 144 to prevent an operator's foot from slipping.
  • the tread plate 34 is arranged in alignment in continuation of the free space 102. It is aligned with respect to the longitudinal axis 24 of the cleaning head 12 in alignment with the pivot joint 84 and also in alignment with the central part 114 of the shaft 108.
  • the dirty fluid tank device 32 has a removal direction 148 ( Figure 6 ) away from the base 30.
  • the removal direction 148 leads from the underside 126 of the base 30 away in the direction of the installation surface 14.
  • the dirty fluid tank device 32 can be removed from the cleaning head 12 in such a way that, for example, by lifting the cleaning head 12 and Pressing the dirty fluid tank device 32 (for example on the treadle 34) in the direction of the removal direction 148, or by pulling the dirty fluid tank device 32 away from the base 30 in the removal direction 148, can release it and thus be removed.
  • a space 150 is formed, delimited by the underside 126 of the base 30, in which the dirty fluid tank device 32 is positioned when it is fixed to the base 30.
  • the support element 120 is also located in this space.
  • This continuous recess 152 is open at the top 128 and at the bottom 127.
  • the continuous recess 152 is closed at the side so that it is fluid-tight.
  • the support element 120 When the dirty fluid tank device 32 is seated on the base 30, the support element 120 is immersed through the continuous recess 152 so that the cleaning head 12 can be supported on the floor 16 to be cleaned via the support element 120.
  • the continuous recess 152 is dimensioned such that the support element 120 can penetrate through and can also emerge when the dirty fluid tank device 32 is removed from the base 30. In the embodiment shown, the continuous recess 152 is closed on all sides.
  • the continuous recess 152 it is also possible for the continuous recess 152 to be open towards the rear end 22.
  • the continuous recess 152 has the shape of a (hollow) cylinder.
  • the through-hole 152 is aligned with the center portion 114 of the shaft 108, the pivot joint 84, and the tread plate 34, corresponding to the alignment of the support member 120 with respect to the longitudinal axis 24.
  • the dirty fluid tank device 32 is suspended from the base 30.
  • a plurality of holders 154 are provided, which are seated on the base 30 and protrude from its underside 126 in the direction of the support surface 14.
  • a first holder and a second spaced-apart holder are provided. These are designed as described below and in particular are designed identically.
  • the first holder and the second holder are arranged mirror-symmetrically to the center plane 94 and the free space 102 lies between them.
  • a first location 156 is indicated at which the first holder is located, and a second location 158 is indicated at which the second holder is located. These are, as mentioned, the fastening points for the dirty fluid tank device 32 on the base 30.
  • the holders 154 are designed as holding domes or holding mushrooms.
  • the holder 154 and the associated receptacle 160 form a holder-receptacle combination 162, which is designed as a locking connection device.
  • a corresponding holding position or locking position is shown.
  • the holder 154 comprises a first element 164 which corresponds to a second element 166 of the receptacle 160 on the dirty fluid tank device 32.
  • the first element 164 has a receiving area 168 for the second element 166.
  • This receiving area 168 is, for example, cylindrical.
  • the receiving area 168 of the first element 164 is delimited by a bead 170.
  • the bead 170 has a diameter (in a direction transverse to the height axis 92) which is larger than the corresponding diameter of the receiving area 168.
  • the bead 170 is arranged as an annular region on the first element 164. It has a first surface region 172 which faces the receiving region 168. The first surface region 172 is followed by a second surface region 174 which faces away from the receiving region 168.
  • the bead 170 is conical at the first surface area 172 away from the receiving area 168. It is at the second surface area 174 also conical with an inclination towards the receiving area 168.
  • the first surface area 172 forms an inclined plane which, as will be explained in more detail below, requires an effort to detach the second element 166 from the first element 164.
  • the second surface area 174 also forms an inclined plane which requires an effort to connect the second element 166 to the first element 164.
  • the cone angle of the first surface area 172 is greater than the cone angle of the second surface area 174 (see Figure 11 ).
  • the first cone angle for the first surface area 172 is designated with the reference number 176.
  • the second cone angle for the second surface area 174 is designated with 178.
  • the second cone angle 178 is smaller than the first cone angle 176. This means that the force required to release and remove the dirty fluid tank device 32 from the base 30 is greater than to insert (to fix) the dirty fluid tank device 32 to the base 30.
  • the second element 166 on the receptacle 160 of the dirty fluid tank device 32 is designed as a spreading element which has at least two and preferably at least three tabs which are movable transversely to the vertical axis 92 (increasing the distance).
  • the second element 166 as a spreading element is pushed onto the holder 154.
  • the second element 166 of the second surface area 174 is spread out, increasing the distance between the tabs, until the receptacle area 168 is reached.
  • the tabs of the spreading element 166 are arranged in particular in a spring-loaded manner and snap back.
  • the bead 170 serves as a lock, which prevents the dirty fluid tank device 32 from falling off the base 30.
  • a locking connection is established via the holder-receiver combination 162.
  • an operator applies force to the dirty fluid tank device 32 and moves the second element (the expansion element) over the bead 170 and thereby over the first surface area 172.
  • a corresponding amount of force is required to spread the second element 166 (the expansion element) in order to expand the cross-section accordingly so that the bead 170 can be driven over by the second element 166.
  • FIG. 13 A corresponding intermediate state after driving over is shown in Figure 13 shown. There, the locking connection is removed.
  • the expansion element 166 (the second element 166) has passed over the bead 170 and is located outside the receiving area 168.
  • the receptacles 160 on the dirty fluid tank device 32 are open on the top side 128 in order to allow the corresponding holder 154 to be inserted.
  • the receptacle has a hollow truncated cone-shaped extension 180 towards the top side 128. This extension 180 forms an insertion and centering aid for the holder 154, which is designed in the shape of a pin, in the associated receptacle 160.
  • the dirty fluid tank device 32 is held on the base 30 via the holder-receiver combination 162 (at the points 156, 158), then the dirty fluid tank device 32 is movably mounted (in a direction/opposite direction parallel to the vertical axis 92) and is therefore mounted in a floating manner.
  • the weight of the floor cleaning machine 10 is supported on the floor 16 to be cleaned via the cleaning roller unit 18 and the support element 120.
  • the dirty fluid tank device 32 has no supporting function in this regard.
  • the dirty fluid tank device 32 is movably mounted (floating) transversely and in particular perpendicularly to the installation surface 14.
  • the sweeping element 62 is still in its optimal position relative to the floor 16 to be cleaned.
  • the holding rod device 36 Due to the pivot joint 84, the holding rod device 36 has a pivot angle range of the pivoting mobility to the cleaning head 12, which lies between a lower limit and an upper limit.
  • a swivel angle of 182 (compare Figure 19(a) ) is in particular quantitatively defined as an angle between the second longitudinal axis 42 of the holding rod device 36 and a plane 184 parallel to the installation surface 14.
  • a minimum swivel angle 182, i.e. the lower limit, is 0° or greater than 0°.
  • the lower limit is less than 50° and preferably less than 40° and in particular preferably less than 30°.
  • the lower limit is determined by the attachment of the holding rod device 36 to a lower side, which defines the free space 102 (see Figure 9 ) limited, predetermined.
  • the lower limit can be approximately 0° and can in particular be less than 10° and preferably less than 5°.
  • the swivel angle range has an upper limit ( Figure 19(b) ).
  • the upper limit of the swivel angle 182 is specified as the locking position ( Figure 19 ). It lies in particular in the range between 80° and 120° of the swivel angle 182. In a preferred embodiment, it is approximately 90° ( Figure 19(b) ).
  • the upper limit is such that a parking position with a locking position with respect to the cleaning head 12 is provided for the holding rod device 36, whereby pivoting with respect to the cleaning head 12 is then blocked in the Sense that an increased effort is necessary to enable the holding rod device 36 to pivot on the pivot joint 84 about the pivot axis 40 again.
  • the holder-receiver combination 162 was described using a holder 154, which is firmly connected to the base 30, and a receiver 160, which is arranged on the dirty fluid tank device 32.
  • the holder 154 is rod-shaped and the receiver 160 is an opening.
  • a kinematic reversal is also possible, in which a rod-shaped element is arranged on the dirty fluid tank device 32 and a corresponding receiver in the form of an opening on the base 30.
  • a locking device 186 ( Figures 10 , 12 ) intended.
  • the locking device 186 comprises one and in particular at least two and preferably exactly two ( Figures 10 , 12 ).
  • the pin-immersion opening combinations 188 are arranged in the area of the swivel joint 84.
  • FIG. 9 a first location 190 and a second location 192 are shown, at which respective pin-immersion opening combinations 188 are positioned.
  • the first location 190 and the second location 192 are mirror-symmetrical to the center plane 94.
  • the pin-immersion opening combination 188 comprises a respective immersion opening 194, which is arranged in a rotationally fixed manner with respect to the web guide device 86 on the cleaning head 12 and in particular on the base 30.
  • a pin 196 is provided as a counter element to the corresponding immersion opening 194, which is connected in a rotationally fixed manner to the holding rod device 36 and can be pivoted about the pivot axis 40 relative to the cleaning head 12.
  • the pin 196 is seated on a guide 198 and is linearly displaceable along a displacement axis 200.
  • the displacement axis 200 is movable with the pivoting mobility of the holding rod device 36 to the cleaning head 12. It is oriented transversely to a circumference of the circular path section 88.
  • the pin 196 is spring-loaded via a spring device 202, wherein a spring force of the spring device 202 strives to press the pin 196 in the direction of the circumference of the circular path section 88.
  • the spring force of the spring device 202 acts on the cleaning head 12.
  • the pin 196 has a bead 204 ( Figure 10 ), which is arranged in a ring shape.
  • the guide 198 has an annular stop 206 for the bead 204.
  • a lock for the linear displaceability of the pin 196 on the guide 198 is formed ( Figure 10 ).
  • a basic position of the pin 196 is such that the spring device 202 presses the pin 196 towards the circumference of the circular path section 88 until the bead 204 rests against the stop 206 ( Figure 10 ). This basic position is present when the pin 196 is not immersed in the immersion opening 194.
  • the basic position is present when the parking position 185 of the holding rod device 36 and the cleaning head 12 is not reached, that is, when the upper limit of the swivel angle 182 is not reached. See Figure 10 , wherein the pin 196 is not immersed in the immersion opening 194.
  • the respective immersion opening 194 is formed on a block element 208.
  • the block element 208 comprises the immersion opening 194 as a recess or bore.
  • a first inclined plane 210 is arranged or formed on the block element 208 outside the immersion opening 194. This rises from the circular path section 88. It is located at the end of the circular path section 88 and the distance to the pivot axis 40 increases at the first inclined plane 210.
  • the first inclined plane 210 serves to insert the pin 196 into the insertion opening 194 while displacing the pin 196 away from the stop 206 with a corresponding amount of force against the spring force of the spring device 202. This amount of force must be applied by an operator.
  • the pin 196 has a first contact surface 212 which is formed on a front end of the pin 196.
  • the first contact surface 212 is adapted to the first inclined plane 210.
  • the immersion opening 194, which is formed in the block element 208, has a wall which is designed as a second inclined plane 214.
  • the pin 196 is guided along the circular path section 88 while increasing the pivoting angle 182 and then over the first inclined plane 210 into the immersion opening 194.
  • the second inclined plane 214 serves to guide the pin 196 out of the immersion opening 194 by reducing the pivot angle 182 starting from the upper limit.
  • the pin 196 has a second contact surface 216 which is adapted to the second inclined plane 214.
  • the second contact surface 216 is guided along the second inclined plane 214 (while reducing the pivot angle 182). To do this, the spring force of the spring device 202 must be overcome.
  • the first inclined plane 210 has a smaller angle than the second inclined plane 214.
  • the force required to release the locking by guiding the pin 196 out of the insertion opening 194 is greater than the force required to bring the pin 196 into the insertion opening 194 via the second inclined plane 214 and to establish the locking and thereby reach the parking position 185.
  • An alternative embodiment of a pin 196' ( Figure 14 ) has a contact surface 197 at one tip, which is conical.
  • the pin is spherical at the tip (in Figure 14 indicated in broken lines).
  • the pin 196 or the pin 196' is made in particular from a metallic material.
  • a tip 218 preferably rests between the first contact surface 212 and the second contact surface 216 on this circular path section 88.
  • a circular path section 88 is provided which is separate from this circular path section 88 for the counter device 90, but is concentric to the pivot axis 40.
  • FIG 19(a) a "working" swivel position is shown.
  • the swivel angle 182 lies between the lower limit and the upper limit.
  • the floor 16 to be cleaned can be processed via the floor cleaning machine 10 in order to carry out a cleaning process.
  • An operator adjusts the swivel angle 182 to his body size. If a piece of furniture or the like is to be driven under, the swivel angle 182 is reduced.
  • the operator guides the cleaning head 12 over the floor 16 to be cleaned via the holding rod device 36 with the adjusted swivel angle 182.
  • the cleaning roller unit 18 rotates about the rotation axis 46. Due to the direction of rotation 52, the cleaning head 12 and thus the floor cleaning machine 10 are propelled forward.
  • the holding rod device 36 is directly connected to the roller holder 106 and thus to the cleaning roller unit 18.
  • the cleaning roller unit 18 is pivoted as well. If it is supported on the floor 16 to be cleaned, it rolls on the floor 16. This movement is superimposed on the rotation of the cleaning roller unit 18 about the rotation axis 46 and has no negative effect on the cleaning result or the like. Due to the rotation of the cleaning roller unit 18, the angular range that the cleaning roller unit 18 moves through in the same unit of time as during a pivoting movement is much larger.
  • the holding rod device 36 is directly connected to the cleaning roller unit 18 and acts with its weight directly on the cleaning roller unit 18.
  • the weight of the holding rod device 36 presses the cleaning roller unit 18 with the roller parts 116, 118 against the floor 16 to be cleaned.
  • the holding rod device 36 provides a contact force of the cleaning roller unit 18 against the floor 16 to be cleaned via its own weight. This improves the cleaning effect; the mechanical effect of the cleaning roller unit 18 on the floor 16 to be cleaned is improved.
  • the dirt removal ability of the floor cleaning machine 10 is improved.
  • the described design of the swivel joint 84 as an orbital swivel joint results in a large swivel range between the lower limit and the upper limit.
  • the operator increases the swivel angle 182 until the parking position 185 is reached ( Figure 19(b) ) and the holding rod device 36 is locked to the cleaning head 12 via the locking device 186.
  • the holding rod device 36 cannot "fall down” by itself (due to its own weight) while reducing the pivot angle 182 in the direction of the lower limit.
  • the floor cleaning machine 10 is parked in the parking position 185, for example for storage.
  • an automated cleaning process of the cleaning roller unit 18 and possibly other parts of the cleaning head 12 is carried out in the parking position 185 via a corresponding cleaning station or parking station (not shown in the figures).
  • a corresponding cleaning station or parking station not shown in the figures.
  • the dirty fluid tank device 32 can also be emptied in the floor station.
  • the dirty fluid tank device 32 can also be easily removed from the cleaning head 12 ( Figure 19(c), (d) ).
  • This torque is applied in the parking position 185, in which the holding rod device 36 is locked to the base 30 by the locking device 186. If necessary, the pivot angle 182 can be increased somewhat by play at the play-immersion opening combinations 188. When this play is exhausted, the cleaning head 12, which is then supported on the floor 16 in particular via the cleaning roller unit 18, rotates relative to the dirty fluid tank device 32.
  • the base 30 is raised relative to the dirty fluid tank device 32.
  • the dirty fluid tank device 32 Due to the operator intervention on the tread plate 34, the dirty fluid tank device 32 remains on the floor 16. An operator has fixed the dirty fluid tank device 32 to the floor 16 via the force 220.
  • the cleaning head 12 it is also possible for the cleaning head 12 to be removed from the dirty fluid tank device 32 by pulling it upwards, whereby an operator fixes the dirty fluid tank device 32 to the floor 16 by exerting force on the tread plate 34.
  • FIG 19(e) a situation is shown in which the cleaning head 12 is placed back on the dirty fluid tank device 32, i.e. in which the dirty fluid tank device 32 is fixed to the cleaning head 12.
  • the dirty fluid tank device 32 is placed on the floor 16. If necessary, an operator fixes the dirty fluid tank device 32 to the floor 16 by exerting force on the tread plate 34.
  • the cleaning head 12 is then placed from above onto the dirty fluid tank device 32 in such a way that the corresponding holder 154 is immersed in the associated receptacle 60 on the dirty fluid tank device 32 until a locking mechanism is achieved (and the respective second element 166 then lies in the associated receptacle area 168 of the first element 164).
  • the cleaning head 12 is preferably placed in a parking position 185 of the holding rod device 36 relative to the cleaning head 12, i.e. with the holding rod device 36 being locked to the cleaning head 12 by the locking device 186.
  • an operator can remove the dirty fluid tank device 32 from the cleaning head 12 and insert the dirty fluid tank device 32 into the cleaning head 12 hands-free, i.e. he does not have to touch the dirty fluid tank device 32. In particular, he can carry out the corresponding processes by touching and holding the holding rod device 36. He also does not have to bend down or kneel down to do so.
  • the stripping element 70 is movably arranged on the cleaning head 12 and on the base 30 via the holder 72.
  • the holder 72 has a base 222.
  • the base 222 has a rear end 224 and a front end 226.
  • the base 222 is wider towards the front end 226 than at the rear end 224;
  • the base 222 has a first region 228 and a second region 230, with the rear end 224 located at the first region 228 and the front end 226 located at the second region 230.
  • the holder 72 is pivotally mounted on the base 30 of the cleaning head 2 via the first region 228.
  • the second region 230 carries the stripping element 70 and a comb element 232.
  • Shaft stubs 234 are arranged on the first area 228 and protrude laterally outwards. Shaft stubs 234 are provided opposite one another and are aligned. A pivot axis 236 is defined by the shaft stubs 234. When the holder 72 is fixed to the base 30, the pivot axis 236 is parallel to the pivot axis 40 or parallel to the rotation axis 46. It is parallel to the installation surface 14.
  • a continuous stripping element 70 is provided for the cleaning roller unit 18, which acts on both the first roller part 116 and the second roller part 118 ( Figure 25(a) ).
  • no recess or the like is provided for the middle part 114.
  • the stripping element 70 extends continuously between a first front end 238 and an opposite second front end 240.
  • the stripping element 70 is arranged or designed as a web on the second region 230.
  • this web is integrally connected to the second region 230, that is, integrally connected to the holder 72.
  • the comb element 232 is also located on the holder 72. It acts on the cleaning roller unit 18 and serves to collect hair; the comb element 232 is a hair comb.
  • the comb element 232 comprises at least one row 242 and in particular a plurality of rows 242 of pins 244. Adjacent pins 244 are spaced apart from one another. A pin dips into a trim 246 (see, for example, Figure 20 ) of the cleaning roller unit 18 in order to "filter out" hair from the cleaning roller unit 18.
  • stripping element 70 dips into the trimming 246.
  • the comb element 232 is arranged downstream of the stripping element 70.
  • the comb element 232 (the rows 242) are arranged on the second region 230 between the front end 226 and the stripping element 70 (see Figure 30 ).
  • the comb element 232 extends over a smaller transverse length than the stripping element 70, that is, a distance between the outer ends of the comb element 232 is smaller than a distance between the front ends 238 and 240 of the stripping element 70 ( Figure 30 ).
  • the holder 72 is pivotally mounted on the base 30. It is spring-loaded to press the stripping element 70 and the comb element 232 into the trimming 246.
  • a corresponding spring device is provided, which is arranged, for example, in the area of the shaft stubs 234 on the corresponding pivot bearing 250. This is shown in Figure 20 indicated by the reference numeral 252.
  • a corresponding spiral spring of the spring device is supported on the base 30 and on the second region of the holder 72 in order to press the latter against the cleaning roller unit 18.
  • the stripping element 70 is arranged as a web 254 on the second region 30.
  • This web 254 has a first flank 256 which faces the mouth opening 56. It has an opposite second flank 258 which faces away from the mouth opening 56 ( Figure 20 ).
  • the second flank 258 faces the comb element 232.
  • a contact line 262 ( Figure 25 ). This corresponds to the edge profile and can be described by a mathematical curve.
  • the web 254 of the stripping element 70 has a triangular shape in cross section over the first flank 256 and the second flank 258 (compare Figure 20 ).
  • the contact line 262 has a finite width.
  • the contact line 262 is located in the setting 246 (compare Figure 20 ) or at least rests against the trim 246.
  • the stripping element 70 rests against or is immersed in the trim 246 via the contact line 262.
  • the stripping element 70 is designed as a guide element for dirt fluid on the cleaning roller unit 18.
  • the design is in one embodiment ( Figure 25(a) ) such that dirt fluid via the scraper element 70 not only from the cleaning roller unit 18 (from the trimmings 246), but is also guided in a defined manner to a central region 264.
  • This central region 264 is located on the cleaning roller unit 18 and on the stripping element 70. Starting from the central region 264, dirt fluid (predominantly) is coupled into the mouth opening 56. The central region 264 is located on the central plane 94.
  • the stripping element 70 is curved.
  • the contact line 262 has a first length L 1 (arc length) between the first front end 238 and the second front end 240.
  • a distance D between the first front end 238 and the second front end 240, wherein a spacing direction for the distance D is parallel to the pivot axis 236 or parallel to the pivot axis 40 or parallel to the rotation axis 46, is smaller than this length L 1 .
  • the cleaning roller unit 18 (as a combination of first cleaning roller 116 and second cleaning roller 118 with a distance therebetween) has a second length in the spacing direction (i.e. parallel to the rotation axis 46) L 2 on (compare Figure 4 ), which is smaller than the length L 1 .
  • the curvature of the stripping element 70 at the contact line 262 can be two-dimensional or three-dimensional in the sense that a mathematical curve which describes the course of the contact line 262 and is a curved curve can be a plane curve (two-dimensional curvature) or a space curve (three-dimensional curvature).
  • the corresponding curve which mathematically describes the course of the contact line 262 then has a first curvature (in the sense of a differential geometric curvature), or has a first curvature and a second curvature.
  • the first curvature is negative, that is, the corresponding mathematical curve describing the course of the contact line 262 is concave, or the first curvature and the second curvature are each negative and the corresponding curve is a concave curve.
  • the mouth device 54 forms a discharge area for dirty fluid from the cleaning roller unit 18 into the dirty fluid tank device 32.
  • the contact line 262 is concave towards this discharge area, i.e. towards the mouth opening 56. This concave formation is located on the first flank 256.
  • the contact line 262 has the shape of a circular arc section.
  • the corresponding mathematical curve which describes the course of the contact line 262 has a constant curvature.
  • a first curvature can be provided which is constant, and if the contact line 262 can be described by a spatial curve, a constant second curvature can be present.
  • a radius of curvature R lies in the range between 2L 2 and 6L 2 (2L 2 ⁇ R ⁇ 6L 2 ).
  • the stripping element 70 has a vertex 270 above the contact line 262, which in one embodiment (cf. Figure 25(a) ) is arranged on the center plane 94.
  • the course of the mathematical curve which describes the course of the contact line 262 can be described in cylinder coordinates.
  • the contact line 262 is related to the vertex 270 or the center plane 94 mirror-symmetrical ( Figure 25(a) ).
  • a polar angle ⁇ varies along the curve.
  • Figure 21 is a section through the cleaning head 12 at point A according to Figure 25 shown, and in Figure 22 a cut at point B (that is, at vertex 270).
  • the outlet opening 56 has a third length L 3 along the stripping element 70, which is smaller than the first length L 1 . Due to the guiding function of the stripping element 70, dirty fluid is also transported to the discharge area (towards the outlet opening 56) on the cleaning roller unit 18. A smaller outlet opening 56 is then sufficient. This in turn reduces the area of dirt on the floor cleaning machine 10.
  • a guide area is created on the surface of the cleaning roller unit 18 and also in a penetration area of the stripping element 70 due to the curvature of the stripping element 70.
  • dirty fluid via which dirty fluid is guided to the central region 264 on the cleaning roller unit 18 by means of a stripping element 70.
  • This allows the delivery region to be made smaller in relation to the distance direction parallel to the rotation axis 46, i.e. the mouth opening 56 can be made with a smaller length L 3 than, for example, with a straight stripping element 70.
  • This enables a smaller transfer area for dirty fluid to the dirty fluid tank device 32. The delivery of dirty fluid is simplified and device contamination is reduced.
  • any foam that may occur on the cleaning roller unit 18 is guided to the central region 264 by the stripping element 70. As a result, the emergence of foam at the front ends of the cleaning roller unit 18 is reduced or at least greatly reduced.
  • a stripping element 70 was described which is assigned to the cleaning roller unit 18 with first roller part 116 and second roller part 118 and in which the apex 270 is arranged on a center plane.
  • FIG. 25(b) An alternative embodiment is shown with a stripping element which is not continuous.
  • Each roller part 116 or 118 is assigned its own stripping element, whereby in particular these stripping elements are arranged on a single holder (the holder 72).
  • the first roller part has a length L 2 *.
  • This length L 2 * lies between the corresponding front ends of the first roller part 116 (or the second roller part 118).
  • the corresponding edge element has the edge profile 262', which is symmetrical.
  • the corresponding stripping element which is assigned to the first roller part 116 (or the second roller part 118), is circularly curved, with a radius of curvature R* lying in particular in the range between 2 L2 * and 6L 2 * (2L 2 * ⁇ R* ⁇ 6L 2 *).
  • the combination of the stripping elements has a "double hump shape", whereby in the combination the corresponding stripping elements can then be spaced apart or can be continuous.
  • the corresponding curved course of the stripping element 70 is asymmetrical and there is no vertex or no vertex at a central plane.
  • a targeted discharge of dirt fluid to a page 310 ( Figure 26 ) or to a page 312 ( Figure 27 ) take place.
  • the course of the stripping element 70 refers to the cleaning roller unit 18 as a whole with a combination of the first roller part 116 and the second roller part 118, or refers to only one roller part 116 or 118.
  • the course is as follows Figures 26 or 27 asymmetrical.
  • the overall course is symmetrical with respect to the cleaning roller unit 18 with first roller part 116 and second roller part 118.
  • a discharge to the outside takes place.
  • the design of the curved scraper element is also possible if the cleaning roller unit has only one roller part.
  • the design of the scraper element 70 with a curvature was described using the floor cleaning machine 10. This solution of the curved design can also be used on other types of surface cleaning machines, such as a self-propelled and self-steering cleaning machine (cleaning robot).
  • the floor cleaning machine 10 functions as follows: For cleaning operation, the cleaning head 12 is set up on the floor 16 to be cleaned. An operator guides the cleaning head 12 over the floor 16 to be cleaned using the holding rod device 36. After switching on, the cleaning roller unit 18 rotates about the rotation axis 46, with the drive being provided by the drive motor 98.
  • cleaning fluid is supplied from the tank device 50 for cleaning fluid, in particular to the cleaning roller unit 18.
  • the floor 16 to be cleaned is thereby moistened for better dirt removal. Dirt is taken along and transported via the cleaning roller unit 18 to the scraper element 70. Dirty fluid, which is then in particular liquid with dirt particles, is separated from the cleaning roller unit 18 and conveyed into the dirty fluid tank device 32.
  • the guiding element function of the scraper element 70 due to the corresponding curvature results in a simplified discharge of dirty fluid.
  • Coarse dirt can also be picked up.
  • the sweeping element 62 ensures that coarse dirt is fed to the cleaning roller unit 18. This transports the coarse dirt directly into the dirt fluid tank device 32 and/or it is removed via the scraping element 70.
  • Hair is removed from the cleaning roller unit 18 via the comb element 232.
  • the cleaning roller unit 18, in which the trim 246 is a textile material, is used in particular for wet cleaning operations.
  • the cleaning roller unit 18 can also be used for a sweeping operation.
  • the floor cleaning machine 10 enables either dry cleaning or wet cleaning as required.
  • the orbital joint 84 supports the holding rod device 36 on the cleaning roller unit 18 and a corresponding contact force is exerted on the floor 16 to be cleaned. This increases the mechanical effect of the cleaning roller unit 18 on the floor 16 to be cleaned and improves the dirt removal and dirt absorption capacity of the floor cleaning machine 10.
  • the cleaning roller unit 18 experiences a maximum contact pressure via the holding rod device 36 via the floor cleaning machine 10 itself.
  • the dirt fluid tank device 32 always remains in the same position relative to the floor 16 to be cleaned. This also allows the sweeping element 62 to be kept in the same position relative to the floor 16. This results in improved coarse dirt collection and overall improved cleaning.
  • the dirty fluid tank device 32 can be easily removed from the cleaning head 12 or the cleaning head 12 can be easily placed on the dirty fluid tank device 32.
  • an operator does not have to touch the dirty fluid tank device 32 with his hands in order to remove it or to insert it.
  • the pivot joint 84 as an orbital joint, it is ensured that for each pivot position of the holding rod device 36 relative to the cleaning head 12 about the pivot axis 40 within the pivot angle range, the dirty fluid tank device 32 always assumes the same position relative to the floor 16 and remains parallel to the floor 16.
  • the at least one support element 120 which is arranged on the base 30 (and not on the dirty fluid tank device 32), results in a optimized support of the weight of the cleaning head 12 with the dirty fluid tank device 32 on the floor 16 to be cleaned.
  • a dirty fluid tank device 32 with a relatively large storage volume for dirty fluid can be realized.
  • the holding rod device 36 is provided with a rotatability about the rotation axis 41, in particular with respect to the handle 38.
  • the holding rod device 36 comprises a first part 278 and a second part 280, wherein the second part 280 is rotatable about the axis of rotation 41 relative to the first part 278.
  • the first portion 278 coincides with the first region 76 and the second portion 280 coincides with the second region 78 of the support rod assembly 36.
  • the rotation axis 41 is coaxial with the first longitudinal axis 80. In principle, however, it is also possible for the rotation axis 41 to be parallel to the second longitudinal axis 42, for example. In the following, an embodiment is described in which the rotation axis 41 is parallel to the first longitudinal axis 80.
  • the drive motor 98 and the gear device 104 When rotating about the rotation axis 41, the drive motor 98 and the gear device 104 in particular do not rotate. These are arranged on the first part 278.
  • a locking device 282 is provided ( Figures 15 to 18 ), which on the one hand, outside of a locking position 284, releases the rotatability of the second part 280 to the first part 278 (the second area 78 to the first area 76) ( Figures 15 , 16 ) and in the locking position 284 the rotatability of the second part 280 of the holding rod device 36 to the first part 278 of the holding rod device 36 is locked about the rotation axis 41 ( Figures 17 , 18 ).
  • the locking device 284 comprises a slide 288, which is arranged to be movable and in particular linearly movable on the first part 278 (on the first region 76).
  • a displacement axis 289 is in particular parallel to the rotation axis 41.
  • the slide 288 has a nose 290 in the region of a first end (see, for example, Figure 16 ).
  • the slide 288 can be supported on the cleaning head 12 and there on a corresponding counter surface 292 via this nose 290. Outside the parking position 185, the nose 290 is spaced from the counter surface 292. When the parking position 185 is reached, the nose 290 acts on the counter surface 292 and this causes the slide 288 to be displaced in the direction of displacement 289.
  • the slide 288 is spring-supported and is mounted on the first part 278 via a spring device 294. The spring device is arranged and designed such that it presses the slide 288 with the nose 290 in the direction of the cleaning head 12.
  • the spring force of the spring device 294 must be overcome. This overcoming of the spring force of the spring device 294 occurs when the parking position 185 is reached.
  • the slide 288 is displaced as a whole in the direction of the second part 280.
  • the slide 288 has an immersion element 296.
  • the immersion element 296 can, in the parking position 185, immerse itself in a corresponding immersion opening 298 of the second part 280. This enables a positive connection with respect to the rotatability about the axis of rotation 41 and the second part 280 of the holding rod device 36 (the second region 78) can no longer rotate about the axis of rotation 41 relative to the first part 278 (the first region 76).
  • the slide 288 as a whole is pushed in the direction of the second part 280 and the immersion element 296 immerses in the immersion opening 298 (with appropriate alignment of the second part 280 to the first part 278) and in the corresponding locking position 284, the rotatability of the second part 280 to the first part 278 about the rotation axis 41 is blocked.
  • the spring device 294 acts on the slide 288 in such a way that it moves it in the direction of the cleaning head 12 or holds it there.
  • the immersion element 296 is then out of the immersion opening 298 and outside the locking position 284, the second part 280 can be rotated about the axis of rotation 41 relative to the first part 278.
  • the locking device 284 has an overload protection 300.
  • This overload protection 300 essentially serves to prevent damage in the event of rotation in the parking position 185 about the rotation axis 41.
  • the slide 288 is formed in (at least) two parts with a first part 302 and a second part 304.
  • the nose 290 is seated on the first part 302.
  • the immersion element 296 is seated on the second part 304.
  • the second part 304 is slidably mounted on the first part 302, with support via a spring device 306.
  • the spring device 306 is "hard” compared to the spring device 294 and in particular substantially harder than the spring device 294.
  • the spring force of the spring device 306 acts in such a way that it pushes the second part 304 away from the first part 302 until a stop 308 (compare for example Figure 16 ) of the second part 304 on the first part 302 is reached.
  • the slide 288 as a whole with the first part 302 and the second part 304 is movable in the direction of displacement 289.
  • the slide 288 with the first part 302 and the second part 304 can accordingly reach the locking position 284 in the parking position 185 and lie outside the parking position 185 outside the locking position 284 and enable the rotation of the second part 280 relative to the first part 278 about the axis of rotation 41.
  • the slide 288 In the locking position 284, the slide 288 cannot move in relation to the direction of displacement 289 or can only move with a certain amount of play.
  • a movement lock towards the cleaning head 12 is achieved by the nose 290.
  • This movement lock towards the second part 280 is achieved by the immersion element 296 immersed in the immersion opening 298.
  • the slide 288 cannot move as a whole in the direction of displacement 289.
  • the second part 304 can move relative to the first part 302 by overcoming the spring force of the spring device 306 and can move away from the stop 308. This allows the immersion element 296 in particular to move out of the immersion opening 298. This reduces the risk of damage because it allows for movement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Cleaning In General (AREA)

Claims (21)

  1. Machine de nettoyage de sol, comprenant une tête de nettoyage (12), un dispositif formant manche (36) relié à la tête de nettoyage (12), au moins une unité de rouleau de nettoyage (18) agencée au niveau de la tête de nettoyage (12), et un dispositif formant réservoir de fluide sale (32) reposant de manière amovible sur une base (30) de la tête de nettoyage (12), caractérisée en ce qu'une pédale (34) qui dépasse de la base (30) lorsque le dispositif formant réservoir de fluide sale (32) est immobilisé au niveau de la base (30) est agencée au niveau du dispositif formant réservoir de fluide sale (32).
  2. Machine de nettoyage de sol selon la revendication 1, caractérisée par au moins une des caractéristiques ci-dessous :
    - la tête de nettoyage (12) présente une extrémité avant (20) et une extrémité arrière (22) opposée à l'extrémité avant (20), dans laquelle la au moins une unité de rouleau de nettoyage (18) est située dans la région de l'extrémité avant (20) et la pédale (34) est positionnée dans la région de l'extrémité arrière (22) lorsque le dispositif formant réservoir de fluide sale (32) est immobilisé au niveau de la base (30), et la pédale (34) fait en particulier saillie vers l'arrière au-delà de l'extrémité arrière (22) de la base (30) ;
    - la pédale (34) est alignée par rapport à un axe longitudinal (24) de la tête de nettoyage (12), lorsque le dispositif formant réservoir de fluide sale (32) est retenu au niveau de la base (30), et avec au moins une des caractéristiques ci-dessous :
    - une articulation de pivotement (84) par l'intermédiaire de laquelle le dispositif formant manche (36) est articulé de manière pivotante au niveau de la tête de nettoyage (12) ;
    - au moins un élément d'appui (120) par l'intermédiaire duquel la tête de nettoyage (12) s'appuie sur un sol à nettoyer (16) en respectant une distance par rapport à la au moins une unité de rouleau de nettoyage (18) ;
    - une partie centrale d'un logement de rouleau (106) de l'unité de rouleau de nettoyage (18) ;
    - la pédale (34) est agencée de manière centrée entre un premier côté latéral (26) et un second côté latéral (28) du dispositif formant réservoir de fluide sale (32) ;
    - la pédale (34) présente des parois périphériques latérales (146) relevées ;
    - la pédale (34) est agencée au niveau d'un fond (58) ou d'une paroi (60) du dispositif formant réservoir de fluide sale (32).
  3. Machine de nettoyage de sol selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une surface d'assise (14) destinée à un sol (16) à nettoyer est associée à la tête de nettoyage (12), avec au moins une des caractéristiques ci-dessous :
    - la surface d'assise (14) est une surface plane ;
    - un axe de rotation (46) de la au moins une unité de rouleau de nettoyage (18) est parallèle à la surface d'assise (14) ;
    - un axe de pivotement (40) d'une articulation de pivotement (84), au moyen duquel le dispositif formant manche (36) est articulé de manière pivotante au niveau de la tête de nettoyage (12), est parallèle à la surface d'assise (14) ;
    - la pédale (34) est orientée de manière au moins approximativement parallèle à la surface d'assise (14) lorsque le dispositif formant réservoir de fluide sale (32) est retenu au niveau de la base (30) ;
    - la pédale (34) est agencée en respectant une distance de hauteur par rapport à la surface d'assise (14) lorsque le dispositif formant réservoir de fluide sale (32) est retenu au niveau de la base (30) ;
    - la surface d'assise (14) est définie grâce à la au moins une unité de rouleau de nettoyage (18) et au au moins un élément d'appui (120) qui se trouve à distance de la au moins une unité de rouleau de nettoyage (18).
  4. Machine de nettoyage de sol selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins un support (154), et en particulier un dôme de retenue ou un champignon de retenue, et en particulier au moins deux supports (154) espacés, est/sont situé(s) au niveau de la base (30) et en ce que le dispositif formant réservoir de fluide sale (32) présente un logement associé (160) destiné au au moins un support (154), dans laquelle le au moins un support (154) est inséré dans le logement associé (160) lorsque le dispositif formant réservoir de fluide sale (32) est retenu au niveau de la base (30), et en particulier caractérisée en ce qu'une combinaison logement-support (162) est réalisée sous forme de dispositif de liaison par encliquetage, et/ou en ce que le au moins un support (154) présente un premier élément (164) et en ce que le logement associé (160) présente un second élément (166), qui sont adaptés l'un à l'autre de sorte qu'une chute du dispositif formant réservoir de fluide sale (32) vers le bas depuis la base (30) est bloquée lorsque le premier élément (164) est installé au niveau du second élément (166) dans une position de blocage et de sorte que ledit blocage peut être annulé lorsqu'une certaine force est appliquée.
  5. Machine de nettoyage de sol selon la revendication 4, caractérisée en ce que le premier élément (164) et le second élément (166) sont adaptés l'un à l'autre de sorte qu'une direction de force part de la base (30) dans une direction transversale à une face inférieure (126) de la base (30) lorsqu'une force est appliquée pour annuler le blocage, dans laquelle la face inférieure (126) de la base (30) est tournée vers le dispositif formant réservoir de fluide sale (32) lorsque le dispositif formant réservoir de fluide sale (32) est retenu au niveau de la base (30), et/ou
    caractérisée en ce que (i) le second élément (166) est réalisé sous la forme d'un élément extensible qui peut être écarté lors d'un effort correspondant, et en ce que le premier élément (164) est un élément de blocage et est entouré par le second élément (166), ou (ii) en ce que le premier élément est réalisé sous la forme d'un élément extensible qui peut être écarté lors d'un effort correspondant, et en ce que le premier élément entoure le second élément, dans laquelle le second élément est un élément de blocage,
    et en particulier caractérisée par au moins une des caractéristiques ci-dessous :
    - l'élément de blocage présente un premier plan incliné destiné à l'élément d'écartement afin de permettre la sortie de l'élément d'écartement lorsque le blocage est annulé ;
    - l'élément de blocage présente un second plan incliné destiné à l'élément d'écartement afin de permettre une insertion de l'élément de blocage dans une direction de blocage ;
    - le second plan incliné et le premier plan incliné sont réalisés de sorte qu'un effort permettant de faire sortir l'élément extensible est supérieur à celui permettant une insertion.
  6. Machine de nettoyage de sol selon la revendication 4 ou 5, caractérisée en ce que le logement (160) destiné au support associé (154) présente un élargissement au niveau d'une face supérieure (128) du dispositif formant réservoir de fluide sale (32) et est en particulier réalisé en forme d'entonnoir, dans laquelle la face supérieure (128) du dispositif formant réservoir de fluide sale (32) est tournée vers la base (30) lorsque le dispositif formant réservoir de fluide sale (32) est retenu au niveau de la base.
  7. Machine de nettoyage de sol selon l'une quelconque des revendications précédentes, caractérisée en ce que la pédale (34) est agencée et réalisée de sorte qu'un utilisateur détache de la base (30) le dispositif formant réservoir de fluide sale (32), en appliquant une force sur la pédale (34) et en soulevant la tête de nettoyage (12) au dessus du sol à nettoyer (16) lorsque la tête de nettoyage (12) est correctement placée sur un sol à nettoyer (16), et en particulier
    caractérisée en ce que le dispositif formant manche (36) est agencé et réalisé de sorte que le soulèvement de la tête de nettoyage (12) peut être mis en œuvre au moyen du dispositif formant manche (36).
  8. Machine de nettoyage de sol selon l'une quelconque des revendications précédentes, caractérisée en ce que le dispositif formant manche (36) est retenu de manière pivotante au niveau de la tête de nettoyage (12) par l'intermédiaire d'une articulation de pivotement (84), dans laquelle un axe de pivotement (40) de l'articulation de pivotement (84) coïncide en particulier avec un axe de rotation (46) de la au moins une unité de rouleau de nettoyage (18), et en particulier
    caractérisée en ce que l'articulation de pivotement (84) est réalisée sous la forme d'une articulation orbitale permettant un guidage orbital de trajectoire du dispositif formant manche (36) au niveau de la tête de nettoyage (12).
  9. Machine de nettoyage de sol selon la revendication 8, caractérisée par au moins une des caractéristiques ci-dessous :
    - un moteur d'entraînement (98) destiné à l'unité de rouleau de nettoyage (18) et relié au dispositif formant manche (36) de manière solidaire en rotation par rapport à la possibilité de pivotement du dispositif formant manche (36) autour de l'axe de pivotement (40) ;
    - un dispositif d'engrenage (104) permettant de transmettre un couple d'un moteur d'entraînement (98) à la au moins une unité de rouleau de nettoyage (18), dans laquelle le dispositif d'engrenage (104) est relié au dispositif formant manche (36) de manière solidaire en rotation par rapport à la possibilité de pivotement du dispositif formant manche (36) autour de l'axe de pivotement (40) ;
    - un logement de rouleau (106), au niveau duquel se trouve la au moins une unité de rouleau de nettoyage (18), dans laquelle le logement de rouleau (106) est relié au dispositif formant manche (36) de manière solidaire en rotation par rapport à la possibilité de pivotement du dispositif formant manche (36).
  10. Machine de nettoyage de sol selon l'une quelconque des revendications précédentes, caractérisée en ce que la au moins une unité de rouleau de nettoyage (18) est située au niveau d'un logement de rouleau (106) d'un arbre (108) présentant une première partie d'arbre (110), une partie médiane (114) et une seconde partie d'arbre (112), dans laquelle la partie médiane (114) est située entre la première partie d'arbre (110) et la seconde partie d'arbre (112) et une première partie de rouleau (116) de la au moins une unité de rouleau de nettoyage (18) est agencée au niveau de la première partie d'arbre (110) et une seconde partie de rouleau (118) de la au moins une unité de rouleau de nettoyage (18) est agencée au niveau de la seconde partie d'arbre (112), et en ce qu'un entraînement central agissant sur la partie médiane est fourni.
  11. Machine de nettoyage de sol selon l'une quelconque des revendications précédentes, caractérisée en ce que le dispositif formant manche (36) présente une première partie (278) et une seconde partie (280), dans laquelle la première partie (278) est articulée au niveau de la tête de nettoyage (12) et la seconde partie (280) peut tourner par rapport à la première partie (278) autour d'un axe de rotation (41), dans laquelle l'axe de rotation (41) est en particulier orienté transversalement et de manière préférée perpendiculairement à un axe de rotation (46) de l'unité de rouleau de nettoyage (18), et en particulier
    caractérisée par un dispositif de verrouillage (282) grâce auquel une possibilité de rotation autour de l'axe de rotation (41) peut être verrouillée, en particulier présentant au moins une des caractéristiques ci-dessous :
    - dans une position de stationnement (185), qui peut être bloquée, du dispositif formant manche (36) par rapport à la tête de nettoyage (12), le dispositif de verrouillage (282) agit et se trouve en particulier dans une position de verrouillage (284) ;
    - en dehors de la position de stationnement (185) bloquée, le dispositif de verrouillage (282) autorise la possibilité de rotation ;
    - le dispositif de verrouillage (282) passe automatiquement en position de verrouillage (284) lorsque la position de stationnement (185) est atteinte ;
    - le dispositif de verrouillage (282) sort automatiquement de sa position de verrouillage (284) lorsque la position de stationnement (185) est annulée,
    et en particulier
    caractérisé en ce que le dispositif de verrouillage (282) comprend un coulisseau mobile (288) sur ressort, qui est monté de manière coulissante au niveau de la première partie (278) et qui, dans une position de verrouillage (284), assure un verrouillage par complémentarité de forme avec la seconde partie (280), en particulier avec au moins une des caractéristiques ci-dessous :
    - le coulisseau (288) présente un ergot (290) qui s'appuie sur la tête de nettoyage (12) dans la position de verrouillage (284) et qui retient le coulisseau (288) dans la position de verrouillage (284) ou le place dans la position de verrouillage (284) ;
    - le coulisseau (288) présente une protection contre les surcharges ;
    - le coulisseau (288) présente au moins une première partie (302) et une seconde partie (304), dans laquelle la seconde partie (304) agit sur la seconde partie (280) du dispositif formant manche (36) et dans laquelle la seconde partie (304) du coulisseau (288) est agencée de manière mobile sur la première partie (302) du coulisseau (288) en étant soumis à l'action d'un ressort.
  12. Machine de nettoyage de sol selon l'une quelconque des revendications précédentes, caractérisée en ce que le dispositif formant manche (36) présente une première région (76) avec un premier axe longitudinal (80) et présente une seconde région (78) avec un second axe longitudinal (41), dans laquelle le premier axe longitudinal (80) et le second axe longitudinal (41) sont orientés l'un par rapport à l'autre selon un angle obtus (82), dans laquelle l'angle obtus (82) se situe en particulier dans la plage comprise entre 120° et 170°, en particulier caractérisée par au moins une des caractéristiques ci-dessous :
    - la seconde région (78) est située au niveau de la première région (76) ;
    - la première région (76) est ou comprend une région distale du dispositif formant manche (36) ;
    - le dispositif formant manche (36) est articulé au niveau de la tête de nettoyage (12) par l'intermédiaire de la première région (76) ;
    - un dispositif homologue (90) de l'articulation de pivotement (84) est agencé au niveau de la première région (76) ;
    - un moteur d'entraînement (98) destiné à la au moins une unité de rouleau de nettoyage (18) est agencé au niveau de la première région (76) ;
    - la première région (76) présente une enveloppe (100) ;
    - un support de batterie est agencé au niveau de la première région (76) ;
    - un dispositif formant réservoir, en particulier amovible, destiné à du liquide de nettoyage est agencé au niveau de la première région (76) ;
    - la seconde région (78) est ou comprend une région proximale du dispositif formant manche (36) ;
    - une poignée (38) est agencée au niveau de la seconde région (78) ;
    - un dispositif formant réservoir (32), en particulier amovible, destiné à du liquide de nettoyage est agencé au niveau de la seconde région (78) ;
    - un support de batterie (48) est agencé au niveau de la seconde région (78) ;
    - un panneau de commande est agencé au niveau de la seconde région (78) ou au niveau d'une poignée (38) qui se trouve au niveau de la seconde région (78) ;
    - la seconde région (78) présente une extension droite dans le second axe longitudinal (41).
  13. Machine de nettoyage de sol selon l'une quelconque des revendications précédentes, caractérisée en ce que le dispositif formant manche (36) présente, par l'intermédiaire d'une articulation de pivotement (84), une plage d'angle de pivotement libre par rapport à la tête de nettoyage (12) dont l'angle de pivotement (182) est compris entre un axe longitudinal (41) du dispositif formant manche (36) et une surface d'assise (14) de la tête de nettoyage (12) sur un sol à nettoyer (16), dans laquelle ledit angle de pivotement (182) se situe dans la plage comprise entre une limite inférieure et une limite supérieure, en particulier en respectant au moins une des conditions ci-dessous :
    - la limite inférieure est de 0° ou est supérieure à 0° ;
    - la limite inférieure est inférieure à 50° et en particulier inférieure à 40° et en particulier inférieure à 30° ;
    - la limite supérieure est située dans la plage comprise entre 80° et 120° et est en particulier d'environ 90° ;
    - à la limite supérieure, le dispositif formant manche (36) présente une position de stationnement (185) verrouillable par rapport à la tête de nettoyage (12), et en particulier
    caractérisée par un dispositif de verrouillage (186) qui verrouille le dispositif formant manche (36) avec la tête de nettoyage (12) à la limite supérieure de sorte que la possibilité de pivotement du dispositif formant manche (36) par rapport à la tête de nettoyage (12) est bloquée.
  14. Machine de nettoyage de sol selon la revendication 13, caractérisée par au moins une des caractéristiques ci-dessous :
    - un pivotement ultérieur du dispositif formant manche (36), lorsque ledit dispositif formant manche se trouve à la limite supérieure et est verrouillé avec la tête de nettoyage (12), et lorsque la tête de nettoyage (12) est correctement placée sur un sol à nettoyer (16), entraîne un pivotement de la tête de nettoyage (12) par rapport au sol à nettoyer (16) en cas d'augmentation de l'angle de pivotement sans intervention supplémentaire de l'utilisateur ;
    - le dispositif de verrouillage (186) comprend au moins une goupille (196 ; 196'), soumise à l'action d'un ressort, et un orifice d'insertion (194) associé destiné à la goupille (196 ; 196'), dans laquelle (i) la au moins une goupille (196 ; 196') est agencée de manière solidaire en rotation au niveau du dispositif formant manche (36) et l'orifice d'insertion (194) associé est agencé de manière solidaire en rotation au niveau de la tête de nettoyage (12), ou (ii) la au moins une goupille est agencée de manière solidaire en rotation au niveau de la tête de nettoyage (12) et l'orifice d'insertion associé est agencé de manière solidaire en rotation au niveau du dispositif formant manche (36).
  15. Machine de nettoyage de sol selon la revendication 14, caractérisée par au moins une des caractéristiques ci-dessous :
    - l'orifice d'insertion (194) est associé, à l'extérieur de l'orifice d'insertion (194), à un premier plan incliné (210) qui, lorsque l'angle de pivotement (182) est augmenté, guide la goupille (196 ; 196') associée dans l'orifice d'insertion (194), dans laquelle le premier plan incliné (210) provoque un coulissement de la goupille (196 ; 196') à l'encontre d'une application de force due à l'action du ressort ;
    - la au moins une goupille (196 ; 196') présente une première surface d'installation (212) adaptée au premier plan incliné (210) ;
    - l'orifice d'insertion (194) est délimité par une paroi qui présente un second plan incliné (214) et par l'intermédiaire de laquelle la goupille (196 ; 196') associée est déplacée hors de l'orifice d'insertion (194) lorsque l'angle de pivotement (182) est diminué, dans laquelle le second plan incliné (214) provoque un coulissement de la broche (196 ; 196') à l'encontre d'une application de force due à l'action du ressort ;
    - la au moins une goupille (196 ; 196') présente une seconde surface d'installation adaptée au second plan incliné (214).
  16. Machine de nettoyage de sol selon l'une quelconque des revendications précédentes, caractérisée par au moins une des caractéristiques ci-dessous :
    le dispositif formant manche (36) est réalisé pour un utilisateur debout qui se tient debout sur le sol à nettoyer (16), dans laquelle la tête de nettoyage (12) est placée sur le sol à nettoyer (16) par l'intermédiaire d'une surface d'assise (14) et la machine de nettoyage de sol peut être guidée au dessus du sol à nettoyer (16) par l'intermédiaire du dispositif formant manche (36) ;
    - la au moins une unité de rouleau de nettoyage (18) est entraînée de manière motorisée par un moteur d'entraînement (98) ;
    - la tête de nettoyage (12) présente une enveloppe (100) au sein de laquelle est agencée au moins partiellement la au moins une unité de rouleau de nettoyage (18) ;
    - les extrémités extérieures de la au moins une unité de rouleau de nettoyage (18) se situent respectivement au niveau d'une première face latérale (26) et d'une seconde face latérale (28) de la tête de nettoyage (12).
  17. Machine de nettoyage de sol selon l'une quelconque des revendications précédentes, caractérisée par au moins une des caractéristiques ci-dessous :
    - (i) au moins un élément de raclage (90) destiné à la au moins une unité de rouleau de nettoyage (18) est agencé au niveau de la tête de nettoyage (12) ;
    - (ii) au moins un élément de peignage (232) agissant sur la au moins une unité de rouleau de nettoyage (18) est agencé au niveau de la tête de nettoyage (12) ;
    - (iii) au moins un élément de balayage (62) alimentant en balayures la au moins une unité de rouleau de nettoyage (18) est associé à la tête de nettoyage (12), dans laquelle le au moins un élément de balayage (62) est en particulier agencé au niveau d'un dispositif formant réservoir de fluide sale (32),
    dans laquelle une quelconque des caractéristiques (i), (ii), (iii) ou une combinaison quelconque des éléments (70, 232, 262) présente par rapport à la au moins une unité de rouleau de nettoyage (18) la même position indépendamment d'une position de pivotement du dispositif formant manche (36) par rapport à la tête de nettoyage (12).
  18. Machine de nettoyage de sol selon l'une quelconque des revendications précédentes, caractérisée par au moins un des modes opératoires ci-dessous :
    - un fonctionnement en balayage à sec sans application de liquide de nettoyage sur le sol à nettoyer (16) ou sur la au moins une unité de rouleau de nettoyage (18) ;
    - un fonctionnement en essuyage humide avec application de liquide de nettoyage sur le sol à nettoyer (16) et/ou sur la au moins une unité de rouleau de nettoyage (18) ;
    - un fonctionnement en balayage et un fonctionnement en essuyage humide, dans laquelle des saletés grossières sont acheminées en particulier par l'intermédiaire d'un élément de balayage (62) vers la au moins une unité de rouleau de nettoyage (18) et sont transportées jusque dans un dispositif formant réservoir de fluide sale (32) par l'intermédiaire de la au moins une unité de rouleau de nettoyage (18) et le fluide sale est éliminé par raclage de la au moins une unité de rouleau de nettoyage (18) par l'intermédiaire du au moins un élément de raclage (70) et de là est transporté dans le dispositif formant réservoir de fluide sale (32).
  19. Machine de nettoyage de sol selon l'une quelconque des revendications précédentes, caractérisée en ce qu'au moins un élément d'appui (120) espacé par rapport à la au moins une unité de rouleau de nettoyage (18) est agencé au niveau de la base (30) de la tête de nettoyage (12), dans laquelle, lors d'une opération de nettoyage, la tête de nettoyage (12) s'appuie sur un sol à nettoyer (16) par l'intermédiaire de la au moins une unité de rouleau de nettoyage (18) et du au moins un élément d'appui (120), et en ce que le dispositif formant réservoir de fluide sale (32) présente un évidement (152) traversant associé au au moins un élément d'appui (120) et traversé par le au moins un élément d'appui (120) lorsque le dispositif formant réservoir de fluide sale (32) se situe au niveau de la tête de nettoyage (12).
  20. Procédé permettant d'ôter un dispositif formant réservoir de fluide sale (32) d'une tête de nettoyage (12) dans le cas de la machine de nettoyage de sol selon l'une quelconque des revendications précédentes, comprenant les étapes ci-dessous :
    - la tête de nettoyage (12) est correctement placée sur un sol (16) ;
    - un utilisateur pose son pied sur la pédale (34) ;
    - une force de levage est exercée sur la tête de nettoyage (12) par l'intermédiaire du dispositif formant manche (36).
  21. Procédé selon la revendication 20, caractérisé en ce que la force de levage provoque un soulèvement par pivotement de la tête de nettoyage (12) par rapport au fond (16), et/ou
    caractérisé en ce que, pour soulever la tête de nettoyage (12), le dispositif formant manche (36) est amené, ou se trouve, grâce au pivotement du dispositif formant manche (36) par rapport à la tête de nettoyage (12), dans une position de verrouillage au sein de laquelle la possibilité de pivotement du dispositif formant manche (36) par rapport à la tête de nettoyage (12) est verrouillée, dans lequel le dispositif formant manche (36) est orienté dans la position de verrouillage selon un angle situé dans la plage comprise entre 70° et 110°, et en particulier à environ 90°, par rapport au sol (16).
EP22213142.7A 2021-12-23 2022-12-13 Machine de nettoyage de sol dotée d'une languette de préhension et procédé de retrait d'un dispositif de réservoir de fluide sale à partir d'une tête de nettoyage Active EP4201284B1 (fr)

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