EP3955792A1 - Machine de nettoyage comportant un dispositif d'articulation et machine de nettoyage comportant un dispositif d'actionnement - Google Patents

Machine de nettoyage comportant un dispositif d'articulation et machine de nettoyage comportant un dispositif d'actionnement

Info

Publication number
EP3955792A1
EP3955792A1 EP20717184.4A EP20717184A EP3955792A1 EP 3955792 A1 EP3955792 A1 EP 3955792A1 EP 20717184 A EP20717184 A EP 20717184A EP 3955792 A1 EP3955792 A1 EP 3955792A1
Authority
EP
European Patent Office
Prior art keywords
cleaning
cleaning head
machine according
joint
cleaning machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20717184.4A
Other languages
German (de)
English (en)
Inventor
Fabian MOSER
Michael Scharmacher
Simon Wörner
Christoph RUFENACH
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 EP3955792A1 publication Critical patent/EP3955792A1/fr
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/28—Floor-scrubbing machines, motor-driven
    • A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/04—Floor surfacing or polishing machines hand-driven
    • A47L11/08—Floor surfacing or polishing machines hand-driven with rotating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/04—Floor surfacing or polishing machines hand-driven
    • A47L11/08—Floor surfacing or polishing machines hand-driven with rotating tools
    • A47L11/085—Floor surfacing or polishing machines hand-driven with rotating tools with supply of cleaning agents
    • 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
    • A47L11/24—Floor-sweeping machines, motor-driven
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the cleaning tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4075—Handles; levers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/04—Automatic control of the travelling movement; Automatic obstacle detection
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
    • A47L2201/06—Control of the cleaning action for autonomous devices; Automatic detection of the surface condition before, during or after cleaning

Definitions

  • the invention relates to a cleaning machine, comprising a cleaning head, a holding rod device, and an articulated device, via which the holding rod device is pivotably articulated to the cleaning head.
  • the invention further relates to a cleaning machine, comprising a cleaning head, a first roller unit, a second roller unit, and a drive device for rotating the first roller unit and the second roller unit.
  • GB 146,816 discloses a portable vacuum cleaner with a handle device.
  • US 2019/0099052 A1 discloses a rotary mop cleaner.
  • EP 0 950 370 A2 discloses a drive system for two counter-rotating cylinder brushes.
  • DE 21 02 325 A discloses a device for generating and applying cleaning foam. From WO 2016/058901 Al, WO 2016/058856 Al, WO 2017/063663 Al,
  • a floor cleaning machine with a handle is known from WO 2005/087075 A1, which is pivotably arranged on a base.
  • a hard floor cleaning device is known from US Pat. No. 3,789,449.
  • CN 107007215 A discloses a floor cleaning robot.
  • the invention is based on the object of providing a cleaning machine of the type mentioned at the outset, which can be operated in a simple manner by means of the joint device.
  • This object is achieved according to the invention in the cleaning machine mentioned at the outset in that a connecting element is arranged on the holding rod device, which has a first area and a second area, the second area being spaced apart in a transverse direction from the first area and the transverse direction transversely is oriented to a longitudinal axis of the holding rod device, that the connecting element is connected via the second area to a joint of the joint device, wel chem is assigned a pivot axis, wherein in particular the joint is a first joint of the joint device with a first pivot axis, and that the connecting element the first area is connected to the Haltestabein direction
  • a cleaning machine By articulating the holding rod device to the cleaning head via the connecting element, a cleaning machine can be easily implemented in which a cleaning head can be steered on a surface to be cleaned, in particular via a steering on the holding rod device.
  • the connecting element allows a height of the cleaning head between an underside and an upper side to be kept low. This makes it easy to drive under furniture and the like.
  • a fixing device can be implemented in a simple manner via the connecting element in order to fix the holding rod device in an aligned position and in particular in a standing position relative to the cleaning head.
  • a joint device can be formed via the connecting element, which can be implemented in a structurally simple and space-saving manner.
  • a joint device can be provided which has (at least) a first joint and a second joint. This results in optimized usability.
  • the hinge device can be used to fold the holding rod device so that the cleaning machine is low in this position ("second position" of the holding rod device in relation to the cleaning head).
  • second position of the holding rod device in relation to the cleaning head.
  • no recess for receiving the holding rod device then has to be provided on the cleaning head. This in turn allows the cleaning head to be optimized for the cleaning task.
  • the connecting element is designed as an angle element or Bogenele element.
  • a spacing between the first area, which is fixed with the holding rod device, and the second area, which is fixed with the joint, can be achieved in a simple manner.
  • the second area is arranged at an angle to the first area, the angle being in particular an obtuse angle.
  • the angle is related to the envelope planes of the first area and the second area; the envelope planes lie at the angle mentioned.
  • the envelope planes can be tangential planes on the first area or the second area.
  • An obtuse angle results in a space-saving education.
  • the first region of the connecting element is aligned coaxially with the longitudinal axis of the holding rod device. This results in a structurally simple construction of the cleaning machine.
  • the pivot axis of the joint is oriented at least approximately parallel to a flat surface on which the cleaning head with the at least one cleaning tool is supported for proper cleaning operation;
  • the pivot axis is oriented at least approximately parallel to an envelope plane of the at least one cleaning tool with respect to contact with a surface to be cleaned;
  • the pivot axis is oriented at least approximately parallel to a rotation axis of the at least one cleaning tool;
  • the pivot axis is oriented at least approximately parallel to a width direction of the cleaning head between a first lateral side and a second lateral side;
  • the pivot axis is oriented transversely and in particular perpendicular to a straight forward direction of travel of the cleaning head when the cleaning operation is in order;
  • the pivot axis lies within the cleaning head and in particular with respect to a height direction between an underside of the cleaning head and an upper side of the cleaning head between the underside of the cleaning head and the upper side of the cleaning head;
  • the pivot axis is, for example, a first pivot axis, by means of which a size adjustment to a size of an operator who stands up on the surface to be cleaned can be achieved. A cleaning movement can be carried out with corresponding adaptability.
  • the connecting element has a mouth opening which faces a rear end of the cleaning head.
  • the connecting element is formed concave with respect to a bevel curve at the mouth opening.
  • a trough is arranged or formed on the cleaning head, in which the joint is positioned, in particular the second area being immersed in at least a partial area in the trough.
  • a type of countersunk joint can be implemented. This allows the height of the cleaning head to be kept low. This results in an optimized use of space.
  • the pivot axis is in or under the trough. This results in a compact design of the cleaning head.
  • Under the trough means that in a height direction between an underside and an upper side of the cleaning head, the pivot axis lies below the trough in relation to this height direction.
  • the holding rod device has an (excellent) first position in relation to the pivot axis with at least one of the following: the holding rod device is positioned transversely to the cleaning head with respect to a longitudinal direction of the holding rod device, an angle between the longitudinal direction of the holding rod device and the cleaning head being in particular in the range between 75 ° and 105 ° and for example at least approximately 90 °; the first area of the connecting element is positioned transversely to the cleaning head, in particular an angle between the first area and the cleaning head in the range between 75 ° and 105 ° and for example at least approximately 90 °; the cleaning machine has its maximum height in a height direction between an underside of the cleaning head and an upper side of the cleaning head; the second portion of the connecting element is positioned transversely to the cleaning head; the second area of the connecting element is oriented at an obtuse angle to the cleaning head in relation to a mouth opening of the connecting element between the first area and the second area; the obtuse angle of the orientation of the second area
  • the first position is a kind of parking position of the holding rod device with respect to the cleaning head.
  • the cleaning machine In the height direction (which runs between the bottom of the cleaning head and the top of the cleaning head), the cleaning machine in particular has its largest dimensions. It is favorable if a fixation device is provided for non-positive fixation of the first position. This results in a parking position in which the holding rod device is held in the first position.
  • the fixing device By means of a force-fit fixing, the fixing device is formed in a simple manner and can be operated in a simple manner for an operator.
  • the fixing device is designed so that when the cleaning head is placed on a base which is inclined by 10 ° to a horizontal to the direction of gravity, the first position is maintained.
  • the holding rod device can in principle "fall” from the first position under its own weight.
  • the fixation device is dimensioned accordingly so that with an inclination of 10 ° (or more) no such independent "falling out” from the first position is achieved. It has been shown that an operator can easily exert an appropriate force even when the cleaning head is standing on a flat surface, which is necessary to bring the Garstabein direction out of the first position, with the first position on the other hand is sufficiently secured.
  • the fixing device has a first element, which is arranged or is formed in the cleaning head, and has a second element, which is arranged or is formed on the connecting element, the first element and the second element interaction.
  • a fixation device can thus be implemented in a structurally simple manner and in a space-saving manner.
  • the second element is arranged or formed on the second region of the connecting element.
  • the fixing device has a magnetic device. In this way, a force-fit fixation can be achieved in a simple manner via magnetic holding forces.
  • the first element is a magnet or comprises a magnet which is arranged on the cleaning head
  • the second element is a holding element for the magnet, with the connecting element in particular being designed as a holding element.
  • a fixation device can thus be implemented in a structurally simple manner. No form fit or the like has to be provided. The fixing device can be operated in a simple manner by the operator.
  • the magnet is part of a sandwich magnet system.
  • the magnet is positioned as a magnetic plate between two flat iron poles. These can absorb the magnetic flux of the magnet and there are large adhesive forces.
  • the holding rod device has a second position relative to the pivot axis, and with at least one of the following: the holding rod device and / or the first region of the connecting element is relative to a longitudinal axis of the Holding rod device oriented at least approximately parallel to an envelope plane of the at least one cleaning tool; the cleaning machine has its minimum height in a height direction between a bottom of the cleaning head and a top of the cleaning head; a region of the holding rod device faces the at least one cleaning head and is in particular below the top of the cleaning head; the second area of the connecting element is oriented with respect to a mouth opening of the connecting element between the first area and the second area at a zero angle or at an acute angle to the cleaning head; the acute angle of the orientation of the second area to the cleaning head corresponds to a difference of 180 ° and the obtuse angle between the first area and the second area of the connecting element; the holding rod device does not protrude, or at most by 5 cm, over
  • the cleaning machine In the second position of the holding rod device in relation to the cleaning head, the cleaning machine in particular has a minimum height in the corresponding height direction. This makes it easy to drive under furniture and the like.
  • the holding rod device can be pivoted about the pivot axis between a first position and a second position, in particular a pivot range between the first position and the second position in the range between 80 ° and 100 ° and, for example, at least approximately 90 ° ° lies. This results in optimized operability. On the one hand, there is an adaptability to a size of an operator, for example. On the other hand, there is an optimized accessibility under furniture and the like.
  • the joint device is arranged and designed in such a way that the cleaning head is steered on a surface to be cleaned via a steering of the holding rod device.
  • the cleaning head is supported on the surface to be cleaned via at least two cleaning rollers. It results in a simple operation. For example, a movement of the cleaning head can be driven on a surface to be cleaned.
  • the joint device has the joint as a first joint with a first pivot axis, and has a second joint with a second pivot axis, the second pivot axis being oriented transversely to the first pivot axis. If, for example, the first pivot axis is oriented parallel to an envelope plane of the at least one cleaning tool, an operator can use this to adjust the height, among other things. Steering can be achieved in a simple manner via the second pivot axis.
  • the second pivot axis intersects the first pivot axis or has a distance of at most 2 cm and, in particular, a maximum of 1 cm from it.
  • the joint device can thereby also be implemented in a simple and space-saving construction.
  • a joint element of the second joint is arranged on the second area of the connecting element, which enables pivotability about the second pivot axis, and in particular that a joint part of the first joint is arranged on the second area, which pivotability around the first pivot axis, in particular the joint parts of the first joint and the second joint are realized in a single part or have a distance of at most 5 cm. It can be achieved in this way that the first pivot axis and the second pivot axis intersect or only have a small distance of at most 2 cm.
  • the corresponding joint device can be designed in a space-saving manner and positioned on a cleaning head in a corresponding space-saving manner.
  • a cleaning machine comprising a cleaning head, a holding rod device, and a joint device, via which the holding rod device is pivotably articulated to the cleaning head, by at least one of the following: Joint device positioned between a first cleaning tool and a second cleaning tool, the cleaning tools being designed in particular as cleaning rollers; In relation to a height direction of the cleaning head between an underside of the cleaning head and an upper side of the cleaning head, the joint device is positioned fluidly above a tank device for dirt; In relation to a height direction of the cleaning head between an underside of the cleaning head and an upper side of the cleaning head, the joint device is positioned above a drive device; the drive device is assigned a free space in which the joint device is at least partially positioned.
  • the joint device can thereby be designed in a structurally simple manner and in a space-saving manner. This can be positioned on the cleaning head to save space.
  • the cleaning head in turn, can be designed with a low height. The result is simple operability for an operator.
  • the hinge device is assigned a cover, which is in particular on the cleaning head and the holding rod device is positioned.
  • the joint device can thereby be sealed in a fluid-tight manner.
  • the invention is also based on the object of providing a cleaning machine of the type mentioned at the outset, in which the cleaning head can be designed with a minimized height.
  • the drive device has a drive motor which is positioned between the first roller unit and the second roller unit in relation to a longitudinal direction of the cleaning head, that the drive device comprises a gear device through which a torque of the drive motor can be transmitted to the first roller unit and to the second roller unit, and that the transmission device comprises a reduction gear, a speed of the first roller unit and a speed of the second roller unit being less than a motor speed of the drive motor.
  • this drive motor can be implemented with small geometric dimensions.
  • the torque can be transmitted to the roller units via the gear device with the reduction gear, and the roller units can be rotated at a reduced speed, for example typically 500 revolutions per minute.
  • the cleaning head can thus be implemented with little space requirement.
  • it can be implemented with a lower height between an underside and an upper side. This makes it easy to drive under.
  • roller units it is possible via the drive device to design the roller units in such a way that they allow cleaning on lateral sides close to the edge. Also a cleaning close to the edge at a front end and one rear end is possible in a simple way. A central coupling can be achieved in a particularly simple manner by means of the transmission device.
  • the reduction gear has a reduction ratio from a speed of the drive motor to a roller speed in the range between 1:10 and 1:15 and in particular at least approximately 1: 12.5, with a roller speed in the range between 400 revolutions per Minute and 600 revolutions per minute.
  • a drive motor with a relatively high speed can be used, which has small geometric dimensions.
  • the transmission device is designed such that the first roller unit and the second roller unit rotate in opposite directions. This results in an optimized cleaning result. For example, a certain surface area which is passed over in succession by the first roller unit and the second roller unit can be cleaned “twice”.
  • the reduction gear is designed in multiple stages and, in particular, is designed in three stages. This results in a space-saving training.
  • the gear device has a pinion arrangement, which acts as a two-stage reduction gear, and has a belt arrangement, which acts as a single-stage reduction gear, the belt arrangement being coupled to the pinion arrangement in a torque-effective manner.
  • the belt arrangement (as in the first part and a second part) is effectively coupled to a respective shaft of the respective roller unit.
  • the torque can thus be spaced apart from the drive motor transferred to the roller units.
  • cleaning close to the edge can be achieved with respect to the roller units at a front end and a rear end of the cleaning head.
  • a central coupling for transmitting the torque of the drive motor to the roller units can be achieved in a simple manner via the belt arrangement.
  • Both the first roller unit and the second roller unit can be driven in a rotational movement via a drive motor.
  • the pinion arrangement has a first gear-pinion combination which is coupled to the drive motor and a second gear-pinion combination which is coupled to the first gear-pinion combination and is coupled to the belt arrangement .
  • a two-stage reduction gear can thus be implemented in a simple manner. Furthermore, the first roller unit and the second roller unit can be driven in a simple manner.
  • a third pinion-gear combination is also provided for driving the first roller unit and the second roller unit, which is coupled to the second pinion-gear combination and which is coupled to the belt arrangement.
  • counter-rotating roller units can be implemented in a simple manner.
  • the second pinion-gear combination is coupled to a first part of the belt arrangement which is coupled to the first roller unit
  • the third pinion-gear combination is coupled to a second part of the belt arrangement which is coupled to the second roller unit is coupled.
  • the torque of the drive motor can thus be transmitted to both the first roller unit and the second roller unit. These can then be positioned at a distance from one another.
  • the cleaning head can thereby be supported on a surface to be cleaned only via the first roller unit and the second roller unit.
  • There are no support rollers or the like to be provided Can leave traces on a surface to be cleaned.
  • cleaning close to the edge can be achieved in a simple manner both with regard to a front end and a rear end as well as with regard to lateral sides.
  • a drive axis of the drive motor is oriented parallel to at least one axis of rotation of the roller units; a drive axis of the drive motor is oriented parallel to the pivot axis (first pivot axis) of the joint device; the drive axis of the drive motor and the pivot axis (first pivot axis) have a distance of at most 5 cm.
  • the cleaning head can thus be designed to be compact, with a relatively low height and thus good accessibility.
  • a first roller unit and a second roller unit are arranged on the cleaning head, each of which is formed in two parts, a drive device being centrally coupled to the respective roller units in a rotationally effective manner.
  • a center drive of the roller units can thus be achieved.
  • roller units extend to one side of the cleaning head. This enables lateral cleaning close to the edge to be achieved.
  • a first roller unit and a second roller unit are provided, the first roller unit and / or the second roller unit being designed as cleaning rollers and in particular having a textile trim.
  • the first roller unit and the second roller unit it is also possible for the first roller unit and the second roller unit to be designed as sweeping rollers and, for example, to be provided with brushes.
  • one roller unit is provided with a textile trim and is designed as a scrubbing roller, and the second roller unit is designed as sweeping rollers.
  • the cleaning head has a height in a height direction between an underside of the cleaning head and an upper side of the cleaning head of at most 20 cm, or of at most 15 cm, or of at most 14 cm, or of at most 13 cm, or . has a maximum of 12 cm or a maximum of 11 cm. This results in a low underrun height and furniture and the like can be run under.
  • the cleaning machine with the drive device (without the holding rod device) can be designed as a self-propelled and self-steering device. It has a low under-ride height.
  • the cleaning machine is designed as a hand-operated surface cleaning machine, in particular for floor surfaces and hard floor surfaces.
  • Figure 1 is a schematic representation of an embodiment of a cleaning machine with a joint device, where in the pivotability of a holding rod device around a first pivot axis (which is perpendicular to the plane of the drawing) is shown;
  • FIG 2 shows the cleaning machine according to Figure 1, wherein the
  • Pivotability of the holding rod device is shown about a second pivot axis
  • FIG. 3 shows a partial illustration of an exemplary embodiment of a cleaning machine according to the invention with a cleaning head
  • Figure 4 is a perspective partial representation of the cleaning
  • FIG. 5 shows a sectional view of the cleaning machine according to FIG. 3;
  • FIG. 6 shows a partial illustration of area A according to FIG. 5;
  • FIG. 7 shows the cleaning machine according to FIG. 3 in a representation corresponding to FIG. 4, the holding rod device being in a second position relative to the cleaning head;
  • FIG. 8 shows a sectional view of the cleaning machine according to FIG. 2 in the second position of the holding rod device in relation to the cleaning head;
  • FIG. 9 shows an enlarged illustration of area B according to FIG. 8,
  • Figure 10 shows an embodiment of a joint device for
  • FIG. 11 shows a sectional view along the line 11-11 according to FIG. 10;
  • FIG. 12 shows a view of the joint device in the direction C.
  • FIG. 13 shows a variant of an exemplary embodiment of a cleaning machine in partial representation
  • FIG. 14 shows an exemplary embodiment of a combination of drive device and roller unit for the cleaning machine according to FIG. 3;
  • FIG. 15 shows a view of the drive device according to FIG. 14;
  • FIG. 16 shows a perspective illustration similar to FIG. 15;
  • FIG. 17 shows a sectional view in the plane designated by 17-17 according to FIG. 16;
  • FIG. 18 shows a sectional view in the plane designated by 18-18 according to FIG. 16;
  • FIG. 20 (a), (b) a further exemplary embodiment of a connecting element in different pivot positions;
  • FIGS. 1 and 2 a further embodiment of a connecting element in different pivoting positions.
  • An exemplary embodiment of a cleaning machine which is shown schematically in FIGS. 1 and 2 and denoted by 10, is a surface cleaning machine which is used for cleaning surfaces and in particular floors and in particular hard floors.
  • the cleaning machine 10 comprises a cleaning head 12. (At least) one cleaning tool 14 is arranged on the cleaning head 12.
  • a first cleaning roller unit 16a and a second cleaning roller unit 16b are used as cleaning tools.
  • the first cleaning roller unit 16a and the second cleaning roller unit 16b are spaced from each other.
  • the cleaning head 12 and thereby the entire cleaning machine 10 are supported on a surface 18 to be cleaned via the cleaning roller units 16a, 16b.
  • the cleaning machine 10 is hand-held.
  • a holding rod device 20 is arranged on the cleaning head 12.
  • An operator 21 can hold the cleaning machine 10 by a handle 22 which is seated on the holding rod device 20.
  • the dimensions of the cleaning machine 10 are designed so that when the cleaning roller units 16a, 16b are supported on the surface 18 to be cleaned, the operator 21 can comfortably carry out the cleaning process on the surface 18 to be cleaned with an angled holding arm.
  • a length of the cleaning machine 10 in a longitudinal axis between the cleaning roller units 16a, 16b and the handle 22 is in the range between 60 cm and 130 cm.
  • operating elements and display elements are arranged on the handle 22.
  • the holding rod device 20 is articulated to the cleaning head 12 via a joint device 24.
  • the joint device 24 enables the holding rod device 20 to be pivoted relative to the cleaning head 12.
  • the joint device 24 comprises a first joint 26 with a first pivot axis 28. In FIG. 1, pivotability about the first pivot axis 28 is indicated. In the schematic representation in Figure 1, the first pivot axis 28 is perpendicular to the plane of the drawing.
  • a height position of the handle 22 relative to the surface 18 to be cleaned, on which the cleaning head 12 stands above the cleaning roller units 16a, 16b, can be set. This means, among other things a size adjustment to the operator 21 is possible and movements of the operator can be "compensated" during a cleaning operation.
  • the cleaning machine 10 has a straight forward direction of travel 30.
  • the cleaning roller units 16a, 16b are driven in a rotational movement.
  • the straight forward direction of travel 30 is determined in particular by a direction of rotation of the cleaning roller units 16a, 16b.
  • the cleaning machine 10 is assigned a straight-backward direction of travel 32, which is opposite to the straight-forward direction of travel 30.
  • the directions 30 and / or 32 can be directions in which an automatic movement of the cleaning machine 10 takes place, or they can correspond to thrust directions that have to be initiated by an operator.
  • the joint device 24 with the first joint 26 with the pivotability about the first pivot axis 28 is in particular designed so that the holding rod device 20 between a first position 34 and a with the Reference numeral 36 indicated second position is pivotable.
  • the pivoting range between the first position 34 and the second position 36 is in particular in the range between 75 ° and 105 °. In a specific exemplary embodiment (see FIG. 1), the pivoting range between the first position 34 and the second position 36 is 90 °.
  • the holding rod device 20 with the handle 22 points in the direction of the straight-ahead / backward direction of travel 32.
  • the holding rod device 20 in particular is oriented at least approximately perpendicular to the cleaning head 21.
  • the joint device 24 further comprises a second joint 38 (FIG. 2) with a second pivot axis 40.
  • the retaining rod device 20 can be pivoted about the second pivot axis 40 via the second joint 38.
  • the second pivot axis 40 is oriented transversely to the first pivot axis 28.
  • the second joint 38 is pivotable via the first joint 26, so that the second pivot axis 40 is not an axis that is fixed in space.
  • a transverse pivot can be achieved with respect to an operator standing behind the cleaning head 12 on the surface 18 to be cleaned (see FIG. 2).
  • a swivel range is, for example, based on a basic position at +/- 45 °.
  • the joint device 24 is designed in particular so that an operator 21 can steer the cleaning head 12 on the surface 18 to be cleaned by means of steering on the holding rod device 20.
  • the cleaning head 12 follows one Steering movement of the holding rod device 20, which is initiated by the operator 21.
  • a moistening device 42 is provided, via which the cleaning roller units 16a, 16b with a cleaning liquid (which can be fresh water or fresh water mixed with a cleaning agent).
  • the humidifying device 42 comprises a tank device 44 for cleaning liquid.
  • the tank device 44 for cleaning fluid is arranged in particular on the holding rod device 20.
  • a supply device is provided through which cleaning liquid can be supplied to the cleaning head 12.
  • a tank device 46 is provided for dirty fluid, which takes up dirt fluid.
  • This tank device 46 for dirty fluid can be arranged on the holding rod device 20. In the exemplary embodiment shown in FIGS. 1 and 2, the tank device 46 for dirty fluid sits on the cleaning head 12 between the first cleaning roller unit 16a and the second cleaning roller unit 16b.
  • dirty fluid is sucked off and in particular is sucked off by the cleaning roller units 16a, 16b and is conveyed into the tank device 46 for dirty fluid.
  • dirty fluid it is also possible, for example, for dirty fluid to be detached from the cleaning roller units 16a, 16b and to a certain extent to be thrown into the tank device 46 for dirty fluid without a suction current being applied to the cleaning roller units 16a, 16b.
  • An exemplary embodiment of a cleaning machine according to the invention is a surface cleaning machine 50 (FIGS. 3 to 10).
  • the surface cleaning machine 10 is used in particular for cleaning hard floors.
  • the basic configuration with the holding rod device and cleaning head is as described above with reference to the cleaning machine 10.
  • the cleaning machine 50 comprises a cleaning head 52. This is shown in FIG. 3 in a partial illustration.
  • the cleaning head 52 has a head body 54.
  • a first shaft 56 is arranged on the head body 54.
  • the first shaft 56 is rotatably mounted about a first axis of rotation 58.
  • On the first shaft 56 sits a first cleaning roller unit 60 as a first cleaning tool.
  • a second shaft 62 is mounted on the head body 54 so that it can rotate about a second axis of rotation 64.
  • a second cleaning roller unit 66 is mounted on the head body 54 so that it can rotate about a second axis of rotation 64.
  • the first cleaning roller unit 60 and the second cleaning roller unit 66 each have a cylindrical sleeve 68 on which a cleaning medium 70 is seated.
  • the cleaning medium 70 is a textile material such as a microfiber material.
  • first cleaning roller unit 60 and / or the second cleaning roller unit 66 can be used as brush rollers or
  • Sweeping rollers are formed.
  • the first axis of rotation 58 and the second axis of rotation 64 are spaced apart from one another in a longitudinal direction 72 (cf. FIG. 4).
  • the longitudinal direction 72 is a longitudinal direction of the cleaning head 52 between a front end 74 and a rear end 76.
  • the straight forward direction of travel 30 is parallel to the longitudinal direction 72.
  • the straight backward direction of travel 32 is parallel to the longitudinal direction 72.
  • a width direction 78 is also assigned to the cleaning head 52. This width direction 78 is perpendicular to the longitudinal direction 72 and parallel to the first axis of rotation 58 or the second axis of rotation 64.
  • the cleaning head 52 extends in the width direction 78 between a first lateral side 80 and an opposite, second lateral side 82.
  • the cleaning head 52 and the cleaning roller units 60, 66 are designed such that they extend as far as the respective lateral sides 80, 82 and in particular are at least approximately flush with the first lateral side 80 and the second lateral side 82 . A cleaning process close to the edge can be achieved in this way.
  • the head body 54 has a cover element 84.
  • the cover element 84 covers at least partially the first cleaning roller unit 60 and the second cleaning roller unit 66 in the upward direction.
  • a free space 86 is formed between the cover element 84, the first cleaning roller unit 60 and the second cleaning roller unit 66.
  • a tank device 86 for dirty fluid is positioned in this free space, corresponding to the tank device 46 for dirty fluid in the cleaning machine 10.
  • the tank device 46 for dirty fluid is indicated in FIG. This tank device 86 is not shown in FIGS. 3 to 5 and in FIG.
  • the tank device 86 for dirty fluid can be removed from the cleaning head 52 for emptying and, if necessary, also cleaning. For example, it can be removed downwards away from the head body 54, or it can be pulled out to the side.
  • dirty fluid in particular, to be sucked off by the cleaning roller units 60, 66.
  • a suitable suction unit is available for this purpose.
  • dirt fluid is removed from the cleaning roller units 60, 66 via wiper strips which are assigned to the respective cleaning roller unit 60, 66 and which, for example, dip into a textile trim (and the cleaning medium 70).
  • Such detached dirty fluid can then be sucked off and conveyed into the tank device 86 for dirty fluid.
  • dirty fluid is detached at the respective scraper strips, and the tank device 86 for dirty fluid is arranged so that detached dirty fluid can be "thrown" directly into the tank device 86 for dirty fluid without a suction unit having to apply suction current .
  • the cleaning head 52 has an underside 88 and an upper side 90 (cf. FIG. 5, for example).
  • the underside 88 is defined as an envelope plane 92 (see FIG. 5) of the cleaning roller units 60, 66.
  • the envelope plane 92 faces this surface 18 to be cleaned. If the surface to be cleaned 18 is flat, then the envelope plane 92 coincides with the flat surface.
  • the upper side 90 is spaced apart from this lower side 88 in a height direction 94.
  • the height direction 94 extends perpendicular to the longitudinal direction 72 and perpendicular to the width direction.
  • a height and thus under-ride height H in the height direction 94 is defined as the distance between the lower side 88 and the upper side 90.
  • this distance H is defined by a joint device 96, which is arranged on or in the area of the top 90, and can have parts which can protrude beyond a (housing) surface of the head body 54.
  • the height H of the cleaning head 52 and the height direction 94 can be viewed in particular as a height between the envelope plane 92 and an envelope plane 110 at a highest point of the cleaning head 52 on its upper side 90 (see FIGS. 5 and 8).
  • the height H is in particular at most 20 cm and preferably at most 15 cm and preferably at most 14 cm or at most 13 cm, or at most 12 cm and in particular at most 11 cm or at most 10 cm.
  • one or more sweeping elements are arranged on the cleaning head 52, through which coarse dirt the respective
  • Cleaning roller units 60, 66 can be supplied.
  • a holding rod device 100 is pivotably linked to the cleaning head 52 via the joint device 96.
  • the holding bar device 100 is basically designed like the holding bar device 20 and is used so that an operator can guide the surface cleaning machine 50 while standing on a surface 18 to be cleaned over the surface 18 to be cleaned; the surface cleaning machine 50 is hand-operated.
  • the joint device 96 comprises a first joint 102 with a first pivot axis 104. It also comprises a second joint 106 with a second pivot axis 108.
  • the first pivot axis 104 corresponds to the first pivot axis 28 in the cleaning machine 10.
  • the second pivot axis 108 corresponds to the second pivot axis 40 in the cleaning machine 10.
  • a depression 112 is formed on the upper side 90 of the cleaning head 52.
  • the trough 112 is a recess with respect to the surface 98 of the cleaning head 52.
  • the first joint 102 is seated in the trough 112 and is thereby recessed with respect to the surface 98.
  • the well 112 has an opening 114 on the surface 98.
  • the first joint 102 comprises a pin element 116 which is oriented parallel to the first pivot axis 104 and is arranged in the trough 112 set back to the surface 98 and thereby also to the opening 114.
  • the pin element 116 is rotationally fixed to the cleaning head 52.
  • a shaft 118 is seated on the pin element 116 so as to be pivotable about the first pivot axis 104.
  • the shaft 118 surrounds the pin element 116 and receives it.
  • the shaft 118 is also seated in the trough 112.
  • the shaft 118 is designed in particular as an external shaft or external capsule for the pin element 116.
  • the first joint 102 (first pivot bearing) with the pin element 116 and the shaft 118 is arranged such that the first pivot axis 104 lies in the cleaning head 52.
  • the first pivot axis 104 is oriented parallel to the first axis of rotation 58 or the second axis of rotation 64. It is oriented parallel to the envelope plane 92. It is oriented perpendicular to the longitudinal direction 72. It is oriented parallel to the width direction 78 orien. It is oriented parallel to the envelope plane 110. It runs within the trough 112 and in particular is set back with respect to the upper side 90 and the envelope plane 110 at the same time. In particular, it penetrates the head body 54.
  • the shaft 118 is connected to a connecting element 120 (see also FIGS. 19 (a), 19 (b)).
  • This connecting element 120 is in turn connected to the holding rod device 100 on an underside 122 of the holding rod device 100.
  • the connecting element 120 is designed as an angle element 124.
  • the connecting element 120 (see, for example, FIG. 6) has a first area 126 and a second area 128.
  • the first area 126 and the second area 128 are, in particular, connected to one another in one piece.
  • the first area 126 and the second area 128 are preferably made from a flat material.
  • the first area 126 and the second area 128 are offset from one another in a transverse direction 129 (see FIG. 19 (a)), i. are spaced from one another in this transverse direction 129.
  • the transverse direction 129 is transverse and, for example, perpendicular to a longitudinal axis 146 of the holding rod device 100.
  • the first area 126 and the second area 128 are oriented at an obtuse angle 130 to one another in order to obtain the transverse offset (in the transverse direction 129).
  • This obtuse angle 130 (see FIG. 6) lies in particular in the range between 120 ° and 150 °. In a specific embodiment, obtuse angle 130 is approximately 135 °.
  • the angle element 124 defines a mouth opening 132 at the obtuse angle 130.
  • the mouth opening 132 can be viewed as the inside of a wedge or arrow.
  • An oscillating curve 131 of the angle element 124 at the obtuse angle 130, ie at the mouth opening 132, is concave.
  • the connecting element 120 is connected via the second region 128 to the first joint 102 and thereby to the shaft 118. With the first region 120 it is connected to the underside 122 of the holding rod device 100.
  • the second joint 106 is designed such that the second region 128 of the connecting element 120 can be pivoted to the shaft 118 about the second pivot axis 108.
  • the second joint 106 is arranged on the shaft 118.
  • a pin element 134 which is oriented parallel to the second pivot axis 108, is arranged on the shaft 118.
  • the second region 128 of the connecting element 120 has an opening 136 through which the pin element 134 penetrates.
  • a securing element 138 which sits on the pin element 134, prevents the pin element 134 from escaping.
  • the securing element 138 forms an axial securing in relation to the second pivot axis 108.
  • the second area 128 with its opening 136 forms an outer shaft for the securing element 138, which shaft can be pivoted about the second pivot axis 108.
  • the second joint 106 with the pin element 134 and the second region 128 at the opening 136 is positioned at least partially immersed in the trough 112.
  • the second pivot axis 108 is oriented perpendicular to the first pivot axis 104.
  • first pivot axis 104 and the second pivot axis 108 intersect, or at least have a small distance from one another. In particular, this distance is at most 2 cm and preferably at most 1 cm.
  • the first pivot axis 104 is a pivot axis that is fixed relative to the cleaning head 52.
  • the second pivot axis 108 is an axis that varies spatially in relation to the cleaning head 52; their position in space depends on the pivot position on the first joint 102 about the first pivot axis 104.
  • the shaft 118 is a common joint element of the first joint 102 and the second joint 106. It forms a pivotable part of the first joint 102 and, in relation to the second joint 106, a fixed part about which the second area 128 is pivotable .
  • the pin element 134 is firmly connected to the shaft 118.
  • Corresponding connecting parts are preferably at a distance of at most 5 cm if they are not implemented on a common part.
  • the second joint 106 may be arranged, for example, on the first region 126 of the connecting element 120, or on the holding rod device 100.
  • the holding rod device 100 has an excellent first position 140 (FIGS. 3 to 6, FIG. 19 (a)) and a second position 142 (FIGS. 10 to 12, FIG. 19 (b)) shown.
  • the first position 140 and the second position 142 are excellent positions with regard to pivotability about the first pivot axis 104.
  • the first position 140 corresponds to the first position 34 in the cleaning machine 10.
  • the second position 142 corresponds to the second position 36 there.
  • the holding rod device 100 can for example be pivoted about the second pivot axis 108 by +/- x ° in relation to a basic position 144 (see FIG. 2).
  • the basic position 144 (FIG. 2) is defined as a pivot position with a pivot angle of zero.
  • x is 45 ° or 60 °.
  • the first position 140 and the second position 142 are in particular related to the basic position 144.
  • a swivel range of the holding rod device 100 about the first swivel axis 104 between the first position 140 and the second position 142 is, for example, in the range between 75 ° and 105 °. In one embodiment, the swivel range is at least approximately 90 ° (see FIG. 1).
  • the holding rod device 100 In the first position 140, the holding rod device 100 is oriented transversely to the cleaning head 52; the holding rod device 100 has a longitudinal axis 146 along which the holding rod device 100 extends. In a distance direction parallel to the longitudinal axis 146, a handle 22 is arranged at a distance from the cleaning head 52 on the holding rod device 100.
  • the first region 126 is in particular aligned at least approximately parallel to the longitudinal axis 146.
  • the longitudinal axis 146 is oriented perpendicular to the cleaning head 52.
  • the holding rod device is device 100 with its longitudinal axis 146 perpendicular to the longitudinal direction 72 and perpendicular to the width direction 78.
  • the holding rod device 100 is oriented with its longitudinal axis 146 transversely and in particular perpendicular to the envelope plane 92 and oriented transversely and in particular perpendicular to the envelope plane 110.
  • the first region 126 of the connecting element 120 is oriented transversely to the cleaning head 52 (i.e. transversely to the envelope plane 92, or transversely to the envelope plane 110, or transversely to the longitudinal direction 72 and the width direction 78). In particular, this orientation is perpendicular to the cleaning head 52 (see, for example, FIG. 6). A corresponding right angle is indicated by reference numeral 148.
  • the second region 128 of the connecting element 120 is oriented at an obtuse angle 150 to the cleaning head 52 (for example to the envelope plane 92).
  • the mouth opening 132 of the angle element 124 faces the rear end 76 (see FIG. 4). If the angle member 124 is viewed as an arrow, then the arrowhead points to the forward end 74.
  • a fixing device 152 is provided which secures the first position 140 of the holding rod device 100 and in particular secures it in a non-positive manner.
  • the fixing device 152 is designed as a magnet device in which the first position 140 of the holding rod device device 100 is non-positively secured relative to the cleaning head 52 via magnetic holding forces.
  • the fixing device 152 comprises a magnet 154, which is arranged on the cleaning head 52.
  • the magnet 154 is part of a magnet system which is designed as a sandwich system and is designated by 156. In this magnet system 156, the magnet 154 is arranged between two flat iron poles 158. In the magnet system 156 in the sandwich system, the magnetic force is increased.
  • the magnet system 156 is arranged such that it acts on the second region 128 of the connecting element 120 in the first position 140.
  • the magnet system 156 is arranged in such a way that in the first position 140 there is mechanical contact between the second area 128 and in particular on a side which faces away from the mouth opening 132.
  • the magnet system 156 has a magnetic holding force, the holding force acting on the second region 128.
  • the connecting element 120 is made in the second region 128 from a suitable material, such as a ferromagnetic material, so that the corresponding holding force is effective.
  • the magnet system 156 When the holding rod device 100 for the cleaning head 52 is in the first position 140 and the second area 128 is in contact with the magnet system 156, the magnet system 156 provides a corresponding holding force which secures this first position 140. A certain amount of force is required to bring the holding rod device 100 out of the first position 140.
  • the magnet system 156 in connection with the connecting element 120 is in particular dimensioned so that when the surface cleaning machine 50 is in the first position 140 of the holding rod device 100 to the cleaning transmission head 52 is placed with a fixed first position 140 on a base which is inclined by 10 ° with respect to the direction of gravity, the holding rod device 100 does not yet move out of the first position 140 by itself (due to gravitational forces). For this inclination of (at least) 10 °, the first position 140 remains secured.
  • the second region 128 of the connecting element 10 is designed such that it can be held by a magnetic holding force.
  • an additional element such as a ferromagnetic element to be arranged on the second region 128 so that the corresponding holding force can be exerted.
  • the magnet system 156 is arranged on the trough 112. It can be partially positioned within the well 112.
  • the envelope plane 110 is predetermined by the magnet system 156.
  • the surface cleaning machine 50 has its greatest extent in the height direction 94.
  • the second position 142 can take place from the first position 140 by pivoting about the above-mentioned pivot angle, which is approximately 90 °, for example.
  • the longitudinal axis 146 of the holding rod device 100 is oriented at least approximately parallel to the cleaning head 52 and in particular at least approximately parallel to the envelope plane 92 or the envelope plane 110. At least approximately means that there can be a deviation of +/- 10 ° from the exact parallelism or of +/- 5 °.
  • the first region 126 of the connecting element 120 is then aligned at least approximately parallel to the cleaning head 52 (in particular to the envelope plane 92).
  • the second region 128 of the connecting element 120 is oriented in the second position 142 at an acute angle 160 (cf. FIG. 9) to the cleaning head 52 (to the envelope plane 92 or the envelope plane 110).
  • the mouth opening 132 of the connecting element 120 is such that it “receives” a portion of the top 90 on the trough 112 (cf., for example, FIG. 9).
  • the surface cleaning machine 50 In the second position 142 of the holding rod device 100, the surface cleaning machine 50 has its smallest dimensions in the height direction 94. In the second position 142, the surface cleaning machine 50 essentially has the height H including the holding rod device 100.
  • the holding rod device 100 has a region 162 which faces the cleaning head 52 and which extends transversely to the longitudinal axis 146.
  • This area 162 is formed, for example, on a housing of the holding rod device 100. In the second position 142, this area 162 faces the rear end 76 of the cleaning head 52 (see, for example, FIG. 8).
  • this region 162 of the holding rod device 100 lies below the upper side 90 of the cleaning head 52.
  • the holding rod device 100 is in particular arranged and designed in relation to the cleaning head 52 such that its underside 164 (cf. FIG. 8) does not protrude beyond the envelope plane 92 and in particular is set back with respect to it.
  • a tank device for cleaning fluid is arranged on the holding rod device 100.
  • a suction unit can be arranged on the holding rod device 100.
  • a battery-operated surface cleaning machine 50 in particular a battery holder with a battery is arranged on the holding rod device 100.
  • a sheath 166 is arranged between the cleaning head 52 and the holding rod device 100 (FIG. 3, FIG. 5; this sheath 166 is not shown in FIGS. 4, 6, 7, 8, 9).
  • the connecting element 120 is positioned in the casing 166.
  • the sheath 166 is a sheath for the joint device 96.
  • the sheath 166 contacts in particular the cleaning head 52 on the upper side 90 or on the surface 98, and correspondingly contacts the holding rod device 100.
  • the sheath 166 ensures a fluid-tight seal.
  • the casing 166 also covers the trough 112 or its opening 114.
  • the envelope 166 is formed out, for example, as a textile sack or rubber sack.
  • the connecting element 120 can be an integral part of the holding rod device 100, or it is, for example, a part which is separate from the holding rod device 100 and which is connected to the holding rod device 100 by screwing, welding, etc.
  • a connecting element 120 ' is provided which is designed as an arch element (FIGS. 20 (a), (b)).
  • This arch element 120 ′ has a first region 126 ′, which is connected to the holding rod device 100, and a second region 128 ′, which is connected to the joint device 96.
  • the curved design of the connecting element 120 ' results in the first area 126' being spaced apart from the second area 128 'in the transverse direction 129.
  • a fixing device 152 can be implemented via the connecting element 120'.
  • a region of the connecting element 120 ' can be used as a counter element (holding device) for a magnet.
  • the height of the surface cleaning machine in the height direction 94 can be kept small.
  • the cleaning head 52 does not have to be modified with respect to the cleaning roller units 60, 66; In particular, no cutout has to be provided on the cleaning head 52 in the area of the cleaning roller units 60, 66. Minimizing the height does not affect the cleaning function or cleaning.
  • the second cleaning roller unit 66 as the rear cleaning roller unit can be designed in the same way as the first cleaning roller unit 60.
  • a first area 126 ′′ is provided, which is connected to a second area 128 ′′ via a transverse web 127 ′′.
  • the first area 126 is connected to the holding rod device 100.
  • the second area 128 is connected to the joint device 96.
  • the first area 126 ′′ and the second area 128 ′′ are not directly connected to one another, but rather the transverse web 127 ′′ provides a connection area between the first area 126 ′′ and the second area 128 ′′.
  • the first area 126 ′′ and the second area 128 ′′ are designed as flat elements, for example.
  • transverse web 127 ′′ is formed as a flat element.
  • the transverse web 127 ′′ is oriented transversely to the first region 126 ′′ and the second region 128 ′′.
  • the first area 126 ′′ and the second area 128 ′′ are oriented parallel to one another.
  • the transverse web 127 " is oriented perpendicular to the first area 126" and the second area 128 ".
  • the first region 126 ′′ and the second region 128 ′′ are spaced apart from one another in the transverse direction 129 due to the transverse web 127 ′′.
  • the second area 128 ′′ is oriented transversely and, for example, perpendicular to the cleaning head 52.
  • the second area 128 ′′ is oriented, for example, at least approximately parallel (ie at a zero angle or at a small angle close to 0 °) to the cleaning head 52 (FIG. 21 (b)).
  • the envelope 166 is designed as a bellows 168 (FIG. 13).
  • a drive device 170 for rotationally driving the first shaft 56 and the second shaft 62 (and thus the first cleaning roller unit 60 and the second cleaning roller unit 66) is arranged on the cleaning head 52 (FIGS. 5, 8, 14 to 18).
  • the drive device 170 is positioned geometrically between the first cleaning roller unit 60 and the second cleaning roller unit 66.
  • the drive device 170 comprises a drive motor 172, which is an electric motor.
  • the drive motor 172 is fed by mains current, or a particularly rechargeable battery device is provided, which is positioned in particular on the holding rod device 100, which provides the drive motor 172 with corresponding battery power.
  • the drive motor 172 has a motor shaft 174.
  • a drive gear 176 is non-rotatably seated on the motor shaft 174.
  • the motor shaft 174 rotates around a rotation axis (drive axis) 178.
  • the rotation axis 178 is in particular parallel to the first rotation axis 58 and the second rotation axis 64 of the corresponding cleaning roller units 60, 66.
  • the axis of rotation 178 is in particular parallel to the first pivot axis 104.
  • the drive motor 172 is positioned above the tank device 86 for dirty fluid in relation to the vertical direction 94.
  • a motor speed (speed of the motor shaft 174) is approximately 6400 revolutions per minute.
  • a desired speed of a cleaning roller unit 60, 66 is in the range of 500 revolutions per minute.
  • the drive device 170 comprises a transmission device 180.
  • the transmission device 180 has the tasks in particular of providing a reduction in relation to the speed of the motor shaft 174, of bridging spatial distances between the motor shaft 174 and the shafts 56, 62, and in one embodiment also to drive both the first cleaning roller unit 60 and the second cleaning roller unit 66 with a single drive motor 172.
  • a counter-rotating rotation of the first cleaning roller unit 60 and the second cleaning roller unit 66 is provided.
  • a first direction of rotation of the first cleaning roller unit 60 about the first axis of rotation 58 is indicated by the reference numeral 182.
  • a corresponding second direction of rotation 184 for the rotation of the second cleaning roller unit 66 about the second axis of rotation 64 is indicated by the reference numeral 184.
  • the first direction of rotation 182 and the second direction of rotation 184 are in opposite directions, i. the cleaning roller units 60, 66 are driven in opposite directions by the drive device 170.
  • the directions of rotation 182, 184 are in particular such that a certain area 186 on a cleaning roller unit (in the example 14 on the first cleaning roller unit 60), after touching the surface 18 to be cleaned, moves in the direction of the tank device 86 for dirty fluid.
  • the path to the tank device 86 for dirty fluid is shorter for dirt carried along on the cleaning roller unit 60 than in the case of an opposite direction of rotation.
  • the transmission device 180 has a pinion arrangement 188.
  • the pinion assembly 188 is coupled directly to the motor shaft 174.
  • the pinion assembly 188 includes a two-stage reduction gear.
  • the transmission device 180 also has a belt arrangement 190.
  • the belt assembly 190 torque effective couples the pinion assembly 188 to the shafts 56,62.
  • the belt assembly 190 includes a first portion 192 and a second portion 194.
  • the first portion 192 of the belt assembly 190 torque-effectively couples the sprocket assembly 188 to the first shaft 56.
  • the second part 194 of the belt assembly 190 torque-effectively couples the sprocket assembly 188 to the second shaft 62.
  • the belt arrangement 190 is designed in particular as a single-stage reduction gear.
  • the pinion arrangement 188 has a first gear-pinion combination 196 with a first gear 198 and a first pinion 200.
  • the first pinion 200 is non-rotatably coupled to the first gear 198.
  • the first gear-pinion combination 196 can be rotated about a first axis of rotation 202 (FIG. 18).
  • the first axis of rotation 202, about which the gear-pinion combination 196 is rotatably mounted, is parallel to the axis of rotation 178 of the motor shaft 174.
  • the first gear 198 is coupled to the drive gear 176 with effective torque; the drive gear 176 drives the first gear-pinion combination 196 on.
  • the pinion arrangement 188 comprises a second gear-pinion combination 204 with a second gear 206 and a first pinion 208.
  • the second pinion 208 is connected to the second gear 206 in a rotationally fixed manner.
  • the second gear-pinion combination 204 is mounted rotatably about a second axis of rotation 210.
  • the second axis of rotation 210 is parallel to the first axis of rotation 202.
  • the second gear 206 is torque-effectively coupled to the first pinion 200 ge.
  • the reduction ratio of this first stage is 11:34.
  • the first pinion 200 has a smaller diameter than the second gear 206. A second reduction stage is thereby formed.
  • the reduction ratio at the second reduction stage is 14:29.
  • the first part 192 of the belt arrangement 190 comprises a first belt 212.
  • This first belt 212 is coupled to the first shaft 56 in a torque-effective manner via a first belt pulley 214, which is connected to the first shaft 56 in a torque-proof manner.
  • the belt arrangement 190 comprises a first deflecting element 216 on which the first belt 212 is guided.
  • a rotationally effective coupling between the pinion arrangement 188 and the first shaft 56, which is spaced apart in the longitudinal direction 72 of the cleaning head 52, can be achieved via the first belt 212.
  • the second pinion 208 has a smaller diameter than the first belt wheel 214. It is thereby formed a further reduction stage.
  • the reduction ratio of this third reduction stage is 15:30.
  • the pinion arrangement 188 has a third gear-pinion combination 218 with a third gear 220 and a third pinion 222 (FIG. 7).
  • the third gear-pinion combination 218 is rotatably mounted about a third axis of rotation 224.
  • the third axis of rotation 224 is parallel to the first axis of rotation 202.
  • the third gear 220 is designed in the same way as the second gear 206 and is coupled to the second gear 206.
  • a rotation of the third gear-pinion combination 218 is opposite to the rotation of the second gear-pinion combination 204.
  • the third pinion 222 is designed in the same way as the second pinion 208.
  • the second part 194 of the belt assembly 190 is coupled to the third gear-pinion combination 218 in a torque-effective manner.
  • the second belt 226, which sits on the third pinion 222 and is guided to a second belt wheel 228, which sits on the second shaft 62 in a rotationally fixed manner.
  • the second belt 226 is deflected via a second deflection element 230.
  • the second part 194 of the strap assembly 190 functions like the first part 192.
  • the reduction of the speed is the same as with the second gear-pinion combination 204 with the first part 192 of the belt arrangement 190.
  • the second gear-pinion combination 204 is driven via the first gear-pinion combination 196, the second gear-wheel- Pinion combination 204 is in turn coupled directly to the third gear-pinion combination 218 and drives it.
  • the total reduction ratio of the gear unit 180 which is multi-stage with regard to the reduction, is in particular in the range between 1:10 and 1:15 and is, for example, approx. 1: 12.5, with a correspondingly high speed of the motor shaft 174 being increased to a speed of approx.
  • a center drive is provided for each of the shafts 56, 62.
  • the respective first belt pulley 214 and the second belt pulley 228 lie centrally between outer end faces 232a, 232b of the respective shaft 56, 62.
  • the respective shaft 56, 62 then has a first receiving area 234 and a second receiving area 236.
  • the respective belt pulley 214, 228 is positioned between these.
  • a cleaning medium such as a textile trim is positioned around the first receiving area 234 and the second receiving area 236. There is no cleaning medium 70 in the area of the respective belt pulley 214, 228.
  • the corresponding cleaning roller unit 60, 66 is formed in two parts.
  • the drive motor 172 of the drive device 170 is seated in a housing 238 (FIG. 14).
  • the transmission device 180 is seated in a transmission housing 240.
  • the transmission housing is connected to the housing 238 for the drive motor 172 or a common housing is formed.
  • the hinge device 96 is seated above the housing 238 on the cleaning head 52.
  • a free space 242 is assigned to the drive device 170, and in particular to the combination of housing 238 and gear housing 240.
  • This free space 242 is delimited in particular by an area and in particular step-shaped area 244 on the combination of housing 238 and gear housing 240.
  • the area 244 and the free space 242 lie at least approximately centrally on the cleaning head 5, in particular in relation to the width direction 78 of the cleaning head 52.
  • the hinge device 96 is in particular arranged or the trough 112 sits on this area 244 or on the free space 242. This results in a space-saving design with an optimized use of space.
  • the height H can thereby be kept low.
  • the first pivot axis 104 lies in the free space 242.
  • the drive axis 178 and the first pivot axis 104 are as close to one another as possible and in particular have a distance of at most 5 cm and preferably at most 3 cm.
  • the joint device 96 with the first joint 102 and the second joint 106 is seated centrally on the cleaning head 52 in relation to the width direction 78.
  • the joint device 96 is preferably in the middle or close to the center with a slight offset towards the rear end 76, ie the joint device 96 is located in the longitudinal direction 72 closer to the rear End 76 than to the front end 74, the hinge device 96 being closer to the center in the longitudinal direction 72 than to the rear end 76 or than to the one in front of its end 74.
  • the surface cleaning machine 10 works as follows:
  • an operator holds the holding rod device 100 with one hand.
  • the cleaning head 52 is set up with its cleaning roller units 60, 64 on the surface 18 to be cleaned. The operator also stands on this.
  • the surface cleaning machine 50 is hand-held.
  • the first cleaning roller unit 60 and the second cleaning roller unit 66 are driven in a rotational movement by the drive device 170. In particular, they are driven in opposite directions.
  • a moistening device can moisten the cleaning roller units 60, 66 with cleaning fluid (fresh water or a Mixture of fresh water with detergent) provided. This results in better dirt removal.
  • a moistened material (moistened cleaning medium 70) of the cleaning roller units 60, 66 acts on dirt on the surface 18 to be cleaned. This is detached and carried along by the cleaning roller units 60, 66 and discharged into the tank device 86 for dirty fluid. This can, if necessary, be followed or supported by a suction flow through a suction unit.
  • the holding rod device 100 can be brought into the first position 140. This is a type of storage position. In the first position 140, the position of the holding rod device 100 is secured by the fixing device 152.
  • the surface cleaning machine 50 In the second position 142 of the holding rod device 100, the surface cleaning machine 50 has a minimum height in the height direction 94.
  • the surface cleaning machine 50 can thus be stored in a space-saving manner outside of a cleaning operation.
  • the surface cleaning machine 50 has a minimum height even during the cleaning operation, and this results in an optimal drive under furniture and the like.
  • the drive device 170 is designed to save space and is arranged on the cleaning head 52 to save space.
  • a multi-stage reduction gear of the gear device 180 allows the drive motor 172 to be designed with small geometrical dimensions, and this in turn allows the height H of the cleaning head 52 to be kept low.
  • the surface cleaning machine 50 has a low center of gravity. The result is optimized operability with a low risk of tipping over.
  • the described arrangement and design of the drive device 170 can also be implemented on a cleaning head 246 (indicated in broken lines in FIG. 14) on which no holding rod device 100 is arranged.
  • a cleaning head 246 is designed, for example, as a self-driving and self-steering device (“cleaning robot”).
  • Such a cleaning head 246 in particular as a self-propelled and self-steering device — has the advantages described above with a low height (corresponding to the height H). This leads, in particular, to optimized accessibility under furniture and the like. This results in cleaning close to the edge, both to the front and to the rear as well as to the sides.
  • a steering roller 248 or the like can be provided in order to enable a corresponding non-operator-guided steering on the surface 18 to be cleaned.
  • the cleaning head 246 functions as a device as described above be.
  • Rotation axis (drive axis)
  • Transmission device first direction of rotation, second direction of rotation

Landscapes

  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

L'invention concerne une machine de nettoyage comprenant une tête de nettoyage (52), un dispositif de tige de maintien (100) et un dispositif d'articulation (96) par l'intermédiaire duquel le dispositif de tige de maintien (100) est articulé de façon pivotante sur la tête de nettoyage (52). Un élément de liaison (120) est agencé sur le dispositif de tige de maintien (100) et présente une première zone (126) et une seconde zone (128), la seconde zone (128) étant espacée par rapport à la première zone (126) dans une direction transversale (129) et la direction transversale (129) étant orientée transversalement par rapport à un axe longitudinal du dispositif de tige de maintien (100), l'élément de liaison (120) étant relié, par l'intermédiaire de la seconde zone (128), à une articulation (102) du dispositif d'articulation (96) à laquelle un axe de pivotement (104) est associé, et l'articulation consistant en particulier en une première articulation (102) du dispositif d'articulation (96) et comportant un premier axe de pivotement (104), et l'élément de liaison (120) étant relié au dispositif de tige de maintien (100) par l'intermédiaire de la première zone (126).
EP20717184.4A 2019-04-15 2020-04-06 Machine de nettoyage comportant un dispositif d'articulation et machine de nettoyage comportant un dispositif d'actionnement Pending EP3955792A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019109946.3A DE102019109946A1 (de) 2019-04-15 2019-04-15 Reinigungsmaschine mit Gelenkeinrichtung und Reinigungsmaschine mit Antriebseinrichtung
PCT/EP2020/059802 WO2020212188A1 (fr) 2019-04-15 2020-04-06 Machine de nettoyage comportant un dispositif d'articulation et machine de nettoyage comportant un dispositif d'actionnement

Publications (1)

Publication Number Publication Date
EP3955792A1 true EP3955792A1 (fr) 2022-02-23

Family

ID=70189973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20717184.4A Pending EP3955792A1 (fr) 2019-04-15 2020-04-06 Machine de nettoyage comportant un dispositif d'articulation et machine de nettoyage comportant un dispositif d'actionnement

Country Status (5)

Country Link
US (1) US20220031137A1 (fr)
EP (1) EP3955792A1 (fr)
CN (1) CN113710138A (fr)
DE (1) DE102019109946A1 (fr)
WO (1) WO2020212188A1 (fr)

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Also Published As

Publication number Publication date
CN113710138A (zh) 2021-11-26
DE102019109946A1 (de) 2020-10-15
US20220031137A1 (en) 2022-02-03
WO2020212188A1 (fr) 2020-10-22

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