EP3206548B1 - Machine de nettoyage de surfaces et procédé permettant de faire fonctionner une machine de nettoyage de surfaces - Google Patents

Machine de nettoyage de surfaces et procédé permettant de faire fonctionner une machine de nettoyage de surfaces Download PDF

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Publication number
EP3206548B1
EP3206548B1 EP15775220.5A EP15775220A EP3206548B1 EP 3206548 B1 EP3206548 B1 EP 3206548B1 EP 15775220 A EP15775220 A EP 15775220A EP 3206548 B1 EP3206548 B1 EP 3206548B1
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EP
European Patent Office
Prior art keywords
cleaning
cleaning machine
cleaning roller
accordance
drive
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
EP15775220.5A
Other languages
German (de)
English (en)
Other versions
EP3206548A1 (fr
Inventor
Fabian MOSER
Manuel SCHULZE
Christoph RUFENACH
Johanna BUCHMANN
Andreas MÜLLER
Mathias FRISCH
Alexander BRÄNDLE
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
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Publication of EP3206548A1 publication Critical patent/EP3206548A1/fr
Application granted granted Critical
Publication of EP3206548B1 publication Critical patent/EP3206548B1/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
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/20—Floor surfacing or polishing machines combined with vacuum cleaning devices
    • A47L11/202—Floor surfacing or polishing machines combined with vacuum cleaning devices having separate drive for the cleaning 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
    • A47L11/4002—Installations of electric equipment
    • A47L11/4008—Arrangements of switches, indicators or the like
    • 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
    • A47L11/4027—Filtering or separating contaminants or debris
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4063—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
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • 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
    • A47L9/0405—Driving means for the brushes or agitators
    • A47L9/0411—Driving means for the brushes or agitators driven by electric motor

Definitions

  • the invention relates to a surface cleaning machine, comprising a device body, on which a suction unit is arranged, a cleaning head on which at least one cleaning roller is arranged, and on which at least one suction orifice is positioned, which is fluidly connected to the suction unit and the at least one A cleaning roller is assigned, and a drive device for rotatably driving the at least one cleaning roller.
  • the invention further relates to a method for operating a corresponding surface cleaning machine.
  • a cleaning device for cleaning a surface comprising a rotatable brush is known.
  • a rubber wiper member which is spaced from the brush and secured to an underside of a nozzle housing.
  • a method for cleaning or cleaning a preferably smooth surface is known in which the surface to be cleaned is wiped with a substantially lobe-like wiper element receiving the dirt through the wiper element and then the soiled wiper element is moistened and then sucked the dirt from the wiper element becomes.
  • From the DE 10 2011 053 667 A1 is a header for a vacuum cleaner with a rotatable, equipped with bristles or lamellar agitators roller known.
  • the axis of rotation of the roller extends transversely to the feed direction of the attachment or vacuum cleaner.
  • the motor shaft extends perpendicular to the axis of rotation of the roller.
  • the invention has for its object to provide a surface cleaning machine of the type mentioned above, which provides extensive cleaning options with a simple structural design.
  • a drive axis of a drive motor of the drive device and a rotation axis of the at least one cleaning roller are oriented transversely and in particular perpendicular to each other, and in particular with the features of claim 1.
  • the drive motor of the drive device can be arranged to save space on the surface cleaning machine. It can be arranged in particular at a transition between the device body and the cleaning head. This allows it to be positioned far down on the device to provide a low center of gravity for the overall device. It can also be positioned at least partially outside the cleaning head, so that it can be configured in a structurally simpler way.
  • the drive motor can be installed transversely and thus positioned to save space. This in turn results in easy operation and handling of the surface cleaning machine.
  • the at least one cleaning roller can be positioned at a distance from the drive motor. This results in a structurally simple construction on the cleaning head and, for example, the cleaning roller can be exchanged in a simple manner become. Furthermore, the contamination loading of the drive motor is reduced by a spacing from the at least one cleaning roller.
  • a transmission device To transmit the torque of the drive motor to the at least one drive roller, a transmission device is provided. This ensures an optimized circumferential speed of the at least one cleaning roller in a cleaning operation. Furthermore, can be achieved by a transmission device torque diversion.
  • the transmission device has a speed reducer.
  • the speed reducer reduces a speed as provided by a shaft of the drive motor.
  • the speed reducer reduces the speed from about 7,000 revolutions per minute to about 400 revolutions per minute. It is thereby possible to use a standard drive motor (in particular electric motor).
  • the speed reducer is or includes a planetary gear.
  • a planetary gear can be formed to save space. This results in an optimized use of space on the surface cleaning machine.
  • the speed reducer is arranged in particular on the drive motor, that is, the speed reducer and the drive motor are next to each other. Thereby, a subsequent angle gear can be operated at the lower speed, which is provided by the speed reducer.
  • the transmission device comprises a bevel gear. It can thereby achieve a torque deflection to allow a different orientation of the drive axle and the rotation axis.
  • the bevel gear comprises or is a bevel gear. This makes it possible to easily achieve a transverse deflection.
  • the transmission device further comprises a belt which drives a drive element on which the at least one cleaning roller sits (directly).
  • a space for torque transmission can be bridged. This results in an optimized use of space. It can thereby be arranged, for example, an angle gear spaced from the at least one cleaning roller and thereby protected and optimally positioned space in the cleaning head. The torque transmission from the angle gear to the at least one cleaning roller is then "bridging" over the belt.
  • the cleaning head is pivotally mounted on the device body via a hinge about a pivot axis.
  • a pivot position of the device body is variable to the cleaning head.
  • the pivotability may be a full rotation or there may be a restricted pivoting range of, for example, ⁇ 90 °.
  • a restriction of the pivoting range results in a simplified structural design with respect to a wiring from the device body to the cleaning head, since then lines must not be subjected to complete rotation.
  • the pivot axis is oriented transversely to a longitudinal axis of the device body and is oriented in particular at an acute angle to the longitudinal axis of the device body.
  • the acute angle is for example in the range between 20 ° and 30 ° and for example at about 25 °.
  • the drive motor of the drive device is at least partially positioned on the joint.
  • the surface cleaning machine in particular as a floor cleaning machine (for cleaning hard floors) structurally form a simple way.
  • the drive device with a heavy drive motor in particular electric motor
  • Positioning on the cleaning head basically increases the space required for the cleaning head.
  • the inventive solution at least partially uses the space at the joint to accommodate the drive motor of the drive device.
  • the drive motor can be positioned far below (close to the cleaning head) with respect to the direction of gravity, making optimum use of the available space.
  • the device body can be used to fix the drive motor.
  • the drive axis of the drive motor (the axis of a motor shaft of the drive motor) is at least approximately parallel or coaxial with the pivot axis. This results in a simple structural design.
  • the cleaning head is pivotally mounted about the drive motor. This results in extensive cleaning options with a simple design.
  • the hinge has an inner sleeve, in which at least partially the drive motor is positioned, and has an outer sleeve which sits on the inner sleeve and rotatable on this (swiveling) is stored. This makes it easy to form a joint. At the same time a kind of motor housing for the drive motor is formed via the inner sleeve. The surface cleaning machine can be realized thereby under optimal space use.
  • the outer sleeve is fixed either to the device body or the cleaning head and, accordingly, the associated inner sleeve is fixed either to the cleaning head or the device body.
  • the drive motor can be positioned in a simple manner and form the joint.
  • the outer sleeve is fixed to the device body.
  • the heavy drive motor is then fixed to the device body.
  • the cleaning head has a first end side and an opposite second end side, wherein in a middle region between the first end side and the second end side, a drive element is arranged, which is connected to the drive device with torque. This drive element is driven.
  • the at least one cleaning roller is formed in two parts with a first part, which sits on the drive element and faces towards the first end side, and a second part which sits on the drive element and faces towards the second end side.
  • the cleaning head can be formed in a structurally simple manner. In the middle area, for example, a belt for torque transmission can be positioned. It can be achieved in space-saving design that a cleaning effect also occurs at the edge regions of the at least one cleaning roller (in the front areas). A possibly remaining uncleaned strip in a middle area can be cleaned by staggered driving over.
  • a divider may be arranged on the cleaning head, which divides dirt / dirty liquid to the left and right for feeding to the first part and the second part of the cleaning roller.
  • a moistening device for moistening the at least one cleaning roller with cleaning liquid. This allows the at least one cleaning roller to be moistened directly with cleaning fluid (water or a mixture of water and detergent). This results in an optimized cleaning effect. Dirt on the surface to be cleaned is softened by the liquid in the at least one cleaning roller and can be better solved and taken away.
  • cleaning fluid water or a mixture of water and detergent
  • a tank means for cleaning liquid is arranged on the device body.
  • the wetting device of the at least one cleaning roller can provide cleaning fluid by cleaning fluid from the tank device. This results in an autonomous operation of the surface cleaning machine as long as cleaning liquid is still located in the tank means.
  • a receiving device for dirt and / or a tank device for dirty liquid is arranged on the device body.
  • a separator device is arranged on the device body, which is associated with the suction unit. By the separator device can be separated from sucked dirt fluid liquid. As a result, the suction unit can be protected accordingly.
  • the surface cleaning machine is preferably supported only on the at least one cleaning roller and in particular only a single cleaning roller on a surface to be cleaned.
  • the total height can be varied over the surface to be cleaned. It is thereby possible for one to perform a simple adaptation to a height of an operator. Further leaves by a deep reduction (with a correspondingly lower overall height) drive the surface cleaning machine with the at least one cleaning roller, for example, under a piece of furniture to perform a cleaning operation under this piece of furniture.
  • a type of pivoting of the surface cleaning machine as a whole is provided to the surface to be cleaned, wherein an associated pivot axis of the support area of the at least one cleaning roller on the surface to be cleaned.
  • the at least one cleaning roller is driven at a peripheral speed in the range between 0.9 m / s (inclusive) and 1.2 m / s (inclusive) and in particular at a peripheral speed greater than or equal to 0.92 m / s is driven and in particular driven at a peripheral speed of at most 1.15 m / s.
  • the aforementioned peripheral speed is basically adjustable. In particular, it is fixed by the formation of the drive device (combination of a drive motor with a transmission device). It has been shown that a minimum peripheral speed should be present, otherwise the cleaning roller only rolls without sufficient cleaning effect. Furthermore, the peripheral speed should have a maximum speed, otherwise liquid is too much sprayed.
  • the at least one cleaning roller has a trim such as a fleece. The peripheral speed is based on the circumference of the at least one cleaning roller with depressed trim as the effective diameter of the at least one cleaning roller.
  • the at least one cleaning roller is driven at a peripheral speed in the range between 0.95 m / s and 1.05 m / s (inclusive).
  • the at least one cleaning roller driven at a peripheral speed in the range between 0.9 m / s (inclusive) and 1.2 m / s (inclusive) and is driven in particular at a peripheral speed greater than or equal to 0.92 m / s and in particular at a peripheral speed of at most Driven 1.15 m / s.
  • the inventive method has the already explained in connection with the surface cleaning machine according to the invention advantages.
  • the peripheral speed is, if the at least one cleaning machine has a depressible stocking, based on an effective diameter of the at least one cleaning roller, in which the corresponding stocking is pressed.
  • the at least one cleaning roller is driven at a peripheral speed in the range between 0.95 m / s and 1.05 m / s.
  • the appropriate circumferential speed depends on an operating speed of an operator, that is, at what speed he pushes the surface cleaning machine over a surface to be cleaned.
  • the above-mentioned data for the circumferential speed assume that this operating speed of the operator is approximately 0.90 m / s.
  • FIGS. 1 to 4 An embodiment of a surface cleaning machine according to the invention, which in the FIGS. 1 to 4 is shown (and in the FIGS. 5 to 10 in partial representation) and designated there by 10, is designed as a floor cleaning machine for hard floors.
  • the surface cleaning machine 10 comprises a device body 12 and a cleaning head 14.
  • the cleaning head 14 is arranged on the device body 12.
  • the surface cleaning machine 10 In a cleaning process on a surface 16 to be cleaned, the surface cleaning machine 10 is supported by a cleaning roller 18 on the surface 16 to be cleaned.
  • the device body 12 has a longitudinal axis 20 ( Figures 2 . 3 ).
  • the surface cleaning machine 10 is held in stub. For this purpose sits on the device body 12, a rod 22.
  • This rod 22 extends in the longitudinal axis 20.
  • a handle and in particular bow handle 24 is arranged. An operator can hold on one hand the surface cleaning machine 10 on this handle 24.
  • a switch 26 is arranged on the handle 24.
  • the surface cleaning machine 10 is switched on or off for a cleaning operation.
  • control of the surface cleaning machine 10 is such that by actuation of the switch 26 all necessary components for operation (generating a suction flow through a suction unit, rotation of the cleaning roller 18, moistening of the cleaning roller 18) are actuated and, accordingly, a switch-off on the switch 26 causes a synchronous turning off the operation of these components.
  • the rod 22 may be vertically displaceable (along the longitudinal axis 20) or fixedly arranged on the device body 12.
  • the device body 12 comprises a housing 28 in which components of the surface cleaning machine 10 are arranged protected.
  • a hook device 30 is arranged on the rod 12 between the housing 28 and the handle 24, to which a power cord by wrapping on the rod 22 is fixed.
  • the surface cleaning machine 10 comprises a suction aggregate device, indicated as a whole by 32.
  • This suction unit 32 is used to generate a suction flow in order to perform an extraction on the cleaning roller 18 can.
  • the suction unit 32 comprises a suction fan 34, which is arranged in the housing 28.
  • the suction fan 34 in turn has a motor and in particular an electric motor 36, which is likewise arranged in the housing 28.
  • the suction unit 32 is associated with a separator 38. This separates solids from liquid components in a suction stream.
  • the separator 38 is also disposed in the housing 28.
  • the separator 38 is associated with a tank means 40 for dirty liquid. This sits removably on the housing 28th
  • the cleaning fluid is especially water or a mixture of water and detergent.
  • the suction unit 32 is in fluid communication with (at least) a suction channel 44, which is guided by the suction fan 34 on the device body 12 through the housing 28 to the cleaning head 14.
  • the suction channel 44 has a first region 46, which in the housing 28 is positioned.
  • a branch 48 which branches off to a second region 50 and a third region 52 of the suction channel 44, is seated in the housing 28 at the first region 46.
  • the first area 46 is thereby divided into two subchannels.
  • the second area 50 and the third area 52 are each led to the cleaning head 14.
  • the second area 50 and the third area 52 are each assigned a suction mouth 54, which is positioned on the cleaning head 14.
  • This stocking is for example a nonwoven material.
  • the suction mouth has a first mouth 58 and a second spaced mouth 60 (FIG. FIG. 5 ). Between the first mouth wall 58 and the second mouth wall 60, the respective suction mouth 54 is formed.
  • the first mouth wall 58 lies above the second mouth wall 60 when the cleaning roller 18 is placed on the surface 16 to be cleaned.
  • the first orifice wall 58 and / or the second orifice wall 60 abut against the trimming 56 of the cleaning roller 18 or protrude into the trimming 56.
  • a corresponding muzzle training is in the non-prepublished international application PCT / EP2013 / 076445 of December 12, 2013, by the same Applicant. This document is expressly and fully incorporated by reference.
  • the second area 50 and the third area 52 may be assigned their own suction orifice 54, or a common suction orifice may be provided for the second area 50 and the third area 52 of the suction channel 44.
  • This one suction mouth 54 then has two suction points over the second region 50 and the third region 52.
  • the suction unit 32 may also be designed without branches and comprise a plurality (in particular two) of suction channels (two first areas 46) which are arranged in the housing 28. These then continue into the second area 50 and the third area 52, respectively.
  • the cleaning head 14 is held on the device body 12 via a hinge 62 pivotally about a pivot axis 64 ( FIG. 2 . FIG. 4 ).
  • the pivot axis 64 is transverse to the longitudinal axis 20 of the device body 12. It lies in particular at an acute angle 66 (FIG. FIG. 2 ) to the longitudinal axis 20.
  • the acute angle 66 is in particular in the range between 15 ° and 35 °. In one embodiment, the acute angle 66 is about 25 °.
  • the pivot axis 64 is transverse and in particular perpendicular to a rotation axis 68 of the cleaning roller 18th
  • the cleaning roller 18 has a longitudinal axis 70.
  • the longitudinal axis 70 is in particular coaxial with the axis of rotation 68.
  • the pivot joint comprises an inner sleeve 72 (cf., for example FIG. 4 ), which is arranged according to the orientation of the pivot axis 64 in the acute angle 66 to the longitudinal axis 20 on the device body 12.
  • the cleaning head 14 has an outer sleeve 74, which sits on the inner sleeve 72.
  • a corresponding locking device ensures that the outer sleeve 74 with respect to the inner sleeve 72 in the direction of the pivot axis 64 is immovable.
  • the inner sleeve 72 has a cylindrical outer contour.
  • the outer sleeve 74 has a cylindrical inner contour.
  • the joint 62 is designed as a sliding joint via the rotatable mounting of the outer sleeve 74 on the inner sleeve 72.
  • a pivoting can be provided by a full 360 ° angle.
  • the pivotability is limited to a range of ⁇ 45 ° or ⁇ 90 °.
  • a line for the areas 50, 52 between the device body 12 and the cleaning head 14 is correspondingly formed elastically to allow pivoting of the cleaning head 14 (in particular in a limited pivoting range) on the hinge 62.
  • a drive device 76 For rotating drive of the cleaning roller 18, a drive device 76 is provided.
  • the drive device 76 includes a drive motor 78.
  • This drive motor 78 is in particular an electric motor.
  • the drive motor 78 is positioned in the inner sleeve 72 of the hinge 62.
  • the drive motor 78 has a motor shaft 80.
  • the motor shaft 80 has a drive axis 82.
  • the drive axis 82 is parallel and in particular coaxial with the pivot axis 64.
  • the drive motor 78 is firmly seated in the inner sleeve 72 on the device body 12. It is thereby positioned at the transition from the device body 12 to the cleaning head 14, namely on the hinge 62. He is accommodated to save space and is based on a focus of the surface cleaning machine 10 in the vicinity of the cleaning head 14th
  • the drive motor 78 is supplied with electrical energy, for example via mains current.
  • the drive axis 82 of the drive motor 78 and the axis of rotation 68 of the cleaning roller 18 are oriented transversely to each other and in particular oriented perpendicular to each other.
  • a transmission device 84 is provided for transmitting torque from the drive device 76 to the cleaning roller 18.
  • the transmission device 84 includes a speed reducer 86.
  • the speed reducer 86 serves to provide a speed reducer 86 Reduction of a speed compared to the speed of the motor shaft 80.
  • the drive motor 78 is in particular a standard electric motor having, for example, a speed of the order of 7000 revolutions per minute.
  • the speed reducer 86 provides for a reduction of the speed to, for example, about 400 revolutions per minute.
  • the speed reducer 86 is particularly arranged directly on the drive motor 78, d. H. arranged next to this. It can still be arranged in the inner sleeve 72 or already on the cleaning head 14.
  • the speed reducer 86 is formed as a planetary gear.
  • the transmission device 84 further has an angle gear 88.
  • This bevel gear 88 provides a torque deflection to cause a drive of the cleaning roller 18 with the axis of rotation 68 transverse to the drive axis 82 of the drive motor 78.
  • the angle gear 88 is in particular the speed reducer 86 downstream.
  • the angle gear 88 has one or more gears that are non-rotatably coupled to a corresponding shaft of the speed reducer 86. These act on a bevel gear for angular conversion.
  • the cleaning head 14 has a first end face 90 and an opposite second end face 92 (see, for example FIG. 10 ). Extending between the first end face 90 and the second end face 92 is a housing 94 of a cleaning roller holder 96. This housing 94 partially surrounds a cleaning roller 18 in the form of a half shell, the wraparound being such that the cleaning roller 18 bears a significant amount Proportion stands out for a cleaning process.
  • a sweeping element 98 is rotatably mounted on the housing 94 of the cleaning roller holder 96, wherein this sweeping element 98 serves for the entry of coarse dirt for driving through the cleaning roller 18.
  • a cleaning head 14 with a corresponding sweeping element 98 is disclosed in German patent application no. 10 2014 114 776.6 of October 13, 2014 by the same Applicant. This document is expressly and fully incorporated by reference.
  • a drive element 102 is arranged in a central region 100 of the cleaning roller holder 96 between the first end face 90 and the second end face 92. This drive element 102 is torque-effectively connected to the drive device 76.
  • the drive element 102 is torque-effectively coupled to the angle gear 88 via a belt 104.
  • the drive element 102 is spaced from the angle gear 88.
  • the belt 104 bridges this distance and causes a drive of the drive element with rotation about the axis of rotation 68th
  • a first pin 106 is disposed in a rotationally fixed manner to the first end face 90.
  • a second pin 108 is arranged in a rotationally fixed manner.
  • the cleaning roller 18 (for example FIG. 9 ) is formed in two parts with a first part 110 which is non-rotatably seated on the first pin 106, and a second part 112 which is non-rotatably seated on the second pin 108.
  • the first part 110 points to the first end face 90.
  • the second part 112 points to the second end face 92.
  • a gap 114 is formed between the first part 110 and the second part 112.
  • This gap 114 is relatively narrow and has a lot smaller width than a length of the cleaning roller 18 in the longitudinal axis 20.
  • the belt 104 is guided.
  • the belt 104 is set back relative to an outer side of the cleaning roller 18, even with respect to a position in which the stocking 56 is compressed.
  • the surface cleaning machine 10 comprises a moistening device 116 for the cleaning roller 18 (in particular FIGS. 6 to 8 ).
  • the humidifier comprises (at least) a pressure-controlled switch 118.
  • This pressure-controlled switch 118 is movable. (This is indicated by the double arrow 120 in FIGS. 7 and 8.)
  • the pressure-controlled switch 118 comprises a movable membrane 122, on which, for example, a blocking element 124 is integrally seated. About the mobility of the diaphragm 122 and the locking element 124 is movable.
  • the membrane 122 has a first surface 126. This first surface 126 is in pressure-effective connection with the suction channel 44 and thereby with the second region 50 and the third region 52. The pressure prevailing in the second region 50 (or the third region 52) is applied to the first surface 126. In a cleaning operation of the surface cleaning machine 10, due to the suction flow, this pressure is a negative pressure relative to the exterior space 128 outside the surface cleaning machine 10.
  • the membrane 122 Opposite the first surface 126, the membrane 122 has a second surface 130.
  • the membrane 122 is in fluid communication with a plenum 132.
  • the plenum 132 may receive cleaning fluid.
  • the collecting chamber 132 is in fluid communication with the tank means 42 for cleaning liquid via a line 134.
  • the line 134 is guided from the tank device 42 through the device body 12 to the cleaning head 14. It is so flexible that it has one Pivotability (especially within a finite pivoting range) of the cleaning head 14 on the device body 12 to the hinge 62 is not hindered.
  • a plurality of pressure-controlled switches 118 are arranged on the cleaning head 14.
  • the cleaning head 14 comprises two pressure-controlled switches 118.
  • one pressure-controlled switch 18 is connected in a pressure-effective manner to the second region 50 and a further pressure-controlled switch 118 is connected to the third region 52 in a pressure-effective manner.
  • the line 134 leads to a connection 136 (which is in particular a T-piece) in a distribution line 138.
  • the distribution line 138 in turn opens at a first connection point 140 and at a second connection point 142 in the housing 94. Behind the first connection point 140 and second connection point 142, an associated pressure-controlled switch 118 is arranged in each case.
  • the distribution line 138 forms the collecting space 132.
  • a check valve 139 is disposed on the line 134. This is especially manually operable. Through the check valve 139, a fluid-effective connection between the tank means 42 and a fluid inlet of a pressure-controlled switch 118 can be blocked.
  • more than two pressure-controlled switches 118 may be provided with corresponding connection points and collecting spaces, wherein a collecting space may also be assigned to a plurality of switches 118, or only one single pressure-controlled switch 118 may be provided with only one collecting space 132.
  • the collecting space 132 in cooperation with the pressure-controlled switch 118, is designed such that cleaning liquid is constantly present in the collecting space 132 (provided the blocking valve 139 is open).
  • the second surface 130 faces into a space 144 which is in pressure-effective communication with the exterior space 128.
  • an openable and closable fluid path 146 is formed. Depending on the position of the pressure-controlled switch 118, liquid can flow from the collecting space 132 into the space 144. Depending on the position of the blocking element 124, this fluid path 146 is blocked or opened.
  • a pressure difference between the second surface 130 and the first surface 126 is present or absent.
  • Opposite the blocking element 124 is a wall 148, which has a contact surface 150 for the blocking element 124.
  • the blocking element 124 abuts against the abutment surface 150 and the fluid path 146 is blocked; the corresponding plenum 132 and the space 144 are fluidly separated.
  • the pressure controlled switch 118 includes a return device which, when the pressure differential between the first surface 126 and the second surface 130 is below the threshold, causes the locking element 124 to return to the closed position with engagement of the locking element 124 against the abutment surface 150.
  • the return device is formed by means of the inherent elasticity of the membrane 122.
  • the transition from the open position to the closed position or vice versa of the pressure-controlled switch 118 is directly linked to the operation of the suction fan 34; the necessary negative pressure for moving and holding the diaphragm 122 in the open position is effected by the suction flow generated by the suction unit 32.
  • the pressure-controlled switch 118 and in particular a plurality of pressure-controlled switches 118 is assigned a distributor 152.
  • the distributor 152 serves to distribute cleaning liquid to the cleaning roller 18 and in particular to supply it with liquid over the length of the cleaning roller 18.
  • the manifold 152 is formed as a groove 154.
  • the channel 154 receives cleaning fluid to a certain level. She can collect cleaning fluid.
  • the groove 154 extends parallel to the longitudinal axis 70 of the cleaning roller 18 and thus parallel to the axis of rotation 68th
  • the channel 154 is associated with an outlet opening device 156, which extends in particular over the entire length of the cleaning roller 18.
  • the groove 154 is formed in a half-shell shape. It thus has over its entire length a discharge opening 158 for cleaning fluid.
  • the manifold 152 with the groove 154 can collect cleaning liquid. It is formed by an intermediate buffer for cleaning fluid. Cleaning liquid does not necessarily flow directly to the fluid path 146 of the cleaning roller 18, but is accordingly collected in the groove 154.
  • FIG. 1 An angular position of the surface cleaning machine 10 to the surface 16 to be cleaned is in FIG. 1 indicated by the reference numeral 160.
  • This angular position 160 can vary.
  • the surface cleaning machine 10 is supported by the cleaning roller 18 on the surface 16 to be cleaned.
  • a support region 162 of the cleaning roller 18 on the surface 16 to be cleaned forms a pivot axis for a variation of the angular position 160.
  • the channel 154 is arranged so that, when a certain pivoting angle of the angular position 160 is reached, cleaning fluid from the channel 154 can flow directly to the cleaning roller 18 (FIG. FIG. 8 ).
  • FIG. 7 For example, a position of the manifold 152 is shown to the direction of gravity g, wherein the outlet opening means 156 is at a higher gravitational potential than the groove 154th
  • FIG. 8 a position is shown in which the outlet opening means 156 is at a lower gravitational potential than the groove 154th
  • cleaning liquid can flow directly from the groove 154 of the cleaning roller 18 and apply cleaning liquid to it.
  • the liquid supply to the cleaning roller 18 is gravitationally controlled by the angular position 160.
  • the angular position 160 is in turn set by manual operation of the operator.
  • a cleaning agent is applied to the cleaning roller 18 or not. This is determined by the height distance in the direction of gravity between the outlet port 156 and the trough 154.
  • one or more gap channels 162 are arranged between the space or spaces 144 and the outlet opening device 156. Cleaning liquid from the channel 154 must pass through a corresponding gap channel 162 in order to be able to reach the cleaning roller 18.
  • a gap channel 162 is in particular designed with dimensions such that a capillary effect for the flow of cleaning liquid occurs. Such a capillary effect promotes a uniform distribution of cleaning liquid over the entire length of the cleaning roller 18. In particular, the gap channel 162 extends substantially over the entire length of the cleaning roller 18th
  • a trim 56 of the cleaning roller 18 lies or rests with almost individual fibers on the outlet opening device 156 of the gap channel 162 during the rotation of the cleaning roller 18.
  • a (low) vacuum is generated at the manifold 152, which entrains cleaning liquid.
  • cleaning liquid is drawn out of the gap channel 162 by the capillary action of fibers of the stocking. This ensures a uniform loading of the cleaning roller 18 with cleaning fluid.
  • the supply of cleaning fluid to the cleaning roller 18 is formed pump-free.
  • the pressure controlled switch 118 is directly coupled to a suction flow effect of the suction fan 34. There is thus no additional control and in particular electronic control for a moistening of the cleaning roller 18 necessary. In particular, no solenoid valves or the like are provided.
  • the surface cleaning machine 10 functions as follows: For a cleaning operation, the surface cleaning machine 10 is supported on the cleaning surface 18 on the surface 16 to be cleaned. An operator stands on the surface to be cleaned 16 behind the surface cleaning machine 10 and holds it, for example, one-handed to the handle 24th
  • the operator may perform a forward thrust in the forward direction 164.
  • the suction fan 34 In a cleaning operation, the suction fan 34 generates a suction flow, which in the suction channel 44 and thus in the areas 46, 50 and 52 causes a negative pressure relative to the outer space 128.
  • the drive motor 78 generates a torque, which is transmitted to the cleaning roller 18 via the transmission device 84. This is driven in rotation. It is particularly counterclockwise (in FIG. 1 indicated by the reference numeral 166) driven in rotation.
  • the cleaning roller 18 with a peripheral speed in the range between 0.9 m / s and 1.2 m / s and in particular with a peripheral speed greater than 0.92 m / s and in particular less than 1.15 m / s is driven.
  • It is driven, for example, with a peripheral speed in the range between 0.95 m / s and 1.05 m / s. For example, it is driven at a peripheral speed of about 1 m / s.
  • the peripheral speed can be set by an operator.
  • the drive means 76 sets the peripheral speed.
  • the cleaning roller 18 has a trim 56 which is compressible.
  • the trim 56 is in particular made of a textile material.
  • the circumferential speed as mentioned above does not refer to a maximum diameter of the cleaning roller 18, but to a diameter when the stocking 56 is compressed, for example, by the weight of the surface cleaning machine 10.
  • Too low peripheral speed causes a pure unrolling of the surface cleaning machine on the surface to be cleaned 16 without sufficient cleaning effect. Too large peripheral speed causes a splash of cleaning fluid.
  • peripheral speeds are in particular designed for an operating speed (forward speed) of the operator of approximately 0.9 m / s.
  • the cleaning roller 18 By moistening 116, the cleaning roller 18 is moistened with detergent from the tank means 42. This fluid admission is pump-free and in particular free of magnetic valves. By gravity, cleaning liquid flows from the tank means 42 to the collection chamber or spaces 132. (In an embodiment in which the tank means is seated on the cleaning head, the tank means itself may form a collection chamber.)
  • the pressure-effective connection to the one or more pressure-controlled switches 118 for opening the fluid path or paths 146 When a negative pressure on the suction channel 44 with the areas 50, 52, the pressure-effective connection to the one or more pressure-controlled switches 118 for opening the fluid path or paths 146. It can then accumulate cleaning liquid in the manifold 152 and from there act on the cleaning roller 18 , It is provided for a uniform application over substantially the entire length of the cleaning roller 18 along the longitudinal axis 70.
  • the uniform distribution can be supported.
  • An operator can set by setting the angular position 160, whether from the manifold 152 cleaning fluid flows to the cleaning roller 18 or not. This adjustment is gravity-controlled, depending on whether the outlet port means 156 is positioned above or below the trough 154 with respect to the direction of gravity, with capillary forces across the nip channel 162 and a vacuum effect due to fibers of the liner 56 contacting the outlet port means 156, if necessary.
  • the device body 12 is relative to the cleaning head 14 about the pivot axis 64 in the pivoting range pivotally.
  • the relatively heavy drive motor 78 is located in relation to a normal operating mode far down in the vicinity of the cleaning head 14 and space-saving at least partially positioned on the hinge 62. It can be at least partially positioned outside of the cleaning head 14 (spaced from the cleaning roller 18).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Claims (15)

  1. Machine de nettoyage de surfaces, comportant un corps d'appareil (12) sur lequel est agencé un dispositif groupe d'aspiration (32), une tête de nettoyage (14) sur laquelle est agencé au moins un cylindre de nettoyage (18) et sur laquelle est positionnée au moins une embouchure d'aspiration (54), laquelle est en liaison fluidique avec le dispositif groupe d'aspiration (32) et à laquelle est associé au moins un cylindre de nettoyage (18), et un dispositif d'entraînement (76) pour l'entraînement en rotation du au moins un cylindre de nettoyage (18), caractérisée en ce qu'un axe d'entraînement (82) d'un moteur d'entraînement (78) du dispositif d'entraînement (76) et un axe de rotation (68) du au moins un cylindre de nettoyage (18) sont orientés transversalement et en particulier perpendiculairement l'un à l'autre, et en ce que, en mode nettoyage, la machine de nettoyage de surfaces n'est en appui sur une surface (16) à nettoyer que par l'intermédiaire du au moins un cylindre de nettoyage (18).
  2. Machine de nettoyage de surfaces selon la revendication 1, caractérisée
    en ce que le dispositif d'entraînement (76) comporte un dispositif de transmission (84) pour la transmission de couple sur le au moins un cylindre de nettoyage (18), et en particulier
    en ce que le dispositif de transmission (84) comporte un réducteur de vitesse (86), et en particulier
    en ce que le réducteur de vitesse (86) est ou comporte une boîte de vitesses à trains épicycloïdaux.
  3. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce que le réducteur de vitesse (86) est agencé sur le moteur d'entraînement (78).
  4. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce que le dispositif de transmission (84) comporte un engrenage d'angle (88), et en particulier
    en ce que l'engrenage d'angle (88) est ou comporte une transmission à engrenage conique.
  5. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce que le dispositif de transmission (84) comporte une courroie (104), laquelle entraîne un élément d'entraînement (102) sur lequel repose le au moins un cylindre de nettoyage (18).
  6. Machine de nettoyage de surfaces selon le préambule de la revendication 1 ou selon l'une quelconque des revendications précédentes, caractérisée en ce que la tête de nettoyage (14) repose sur le corps d'appareil (12) de manière à pouvoir pivoter autour d'un axe de pivotement (64) par l'intermédiaire d'une articulation (62), et en particulier
    en ce que l'axe de pivotement (64) est orienté transversalement à un axe longitudinal (20) du corps d'appareil (12) et est orienté en particulier selon un angle aigu (66) par rapport à l'axe longitudinal (20).
  7. Machine de nettoyage de surfaces selon la revendication 6, caractérisée en ce que le moteur d'entraînement (78) du dispositif d'entraînement (76) est positionné au moins en partie sur l'articulation (62), et en particulier
    en ce qu'un axe d'entraînement (82) du moteur d'entraînement (78) se situe au moins presque parallèlement ou de manière coaxiale par rapport à l'axe de pivotement (64), et en particulier
    en ce que la tête de nettoyage (14) est montée de manière à pouvoir tourner autour du moteur d'entraînement (78).
  8. Machine de nettoyage de surfaces selon la revendication 6 ou 7, caractérisée en ce que l'articulation (62) présente un manchon intérieur (72) dans lequel le moteur d'entraînement (78) est positionné au moins en partie, et un manchon extérieur (74), lequel repose sur le manchon intérieur (72) et est monté de manière à pouvoir pivoter sur celui-ci, et en particulier
    en ce que le manchon extérieur (74) est fixé soit au corps d'appareil (12) soit à la tête de nettoyage (14), et en ce que le manchon intérieur (72) est fixé de manière correspondante soit à la tête de nettoyage (14) soit au corps d'appareil (12).
  9. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce que la tête de nettoyage (14) présente une première surface frontale (90) et une deuxième surface frontale (92) opposée, dans lequel un élément d'entraînement (102), lequel est relié au dispositif d'entraînement (76) de manière à agir sur le couple, est agencé dans une zone centrale (100) entre la première face frontale (90) et la deuxième face frontale (92), et en particulier
    en ce que le au moins un cylindre de nettoyage (18) est réalisé en deux parties, comprenant une première partie (110), laquelle repose sur l'élément d'entraînement (102) et est orientée en direction de la première face frontale (90), et une deuxième partie (112), laquelle repose sur l'élément d'entraînement (102) et est orientée en direction de la deuxième face frontale (92).
  10. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée par un dispositif de mouillage (116) pour un mouillage du au moins un cylindre de nettoyage (18) au moyen d'un liquide de nettoyage, et en particulier
    en ce qu'un système de réservoir (42) pour un liquide de nettoyage est agencé sur le corps d'appareil (12) .
  11. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un dispositif de réception de saletés et/ou un dispositif de réservoir (40) pour le liquide sale sont agencés sur le corps d'appareil (12).
  12. Machine de nettoyage de surfaces selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un dispositif de séparation (38), lequel est associé au dispositif groupe d'aspiration (32), est agencé sur le corps d'appareil (12).
  13. Machine de nettoyage de surfaces selon le préambule de la revendication 1 ou selon l'une quelconque des revendications précédentes, caractérisée en ce que le au moins un cylindre de nettoyage (18) est entraîné à une vitesse périphérique dans la plage comprise entre 0,9 m/s (inclus) et 1,2 m/s (inclus) et en particulier à une vitesse périphérique supérieure ou égale à 0,92 m/s et en particulier à une vitesse périphérique de maximum 1,15 m/s, et en particulier
    en ce que le au moins un cylindre de nettoyage (18) est entraîné à une vitesse périphérique dans la plage comprise entre 0,95 m/s (inclus) et 1,05 m/s (inclus).
  14. Procédé pour le fonctionnement d'une machine de nettoyage de surfaces selon le préambule de la revendication 1 ou selon l'une quelconque des revendications précédentes, caractérisé en ce que le au moins un cylindre de nettoyage (18) est entraîné à une vitesse périphérique dans la plage comprise entre 0,9 /ms (inclus) et 1,2 m/s (inclus) et en particulier est entraîné à une vitesse périphérique supérieure ou égale à 0,92 m/s et en particulier est entraîné à une vitesse périphérique de maximum 1,15 m/s.
  15. Procédé selon la revendication 14, caractérisé en ce que le au moins un cylindre de nettoyage (18) est entraîné à une vitesse périphérique dans la plage comprise entre 0,95 m/s (inclus) et 1,05 m/s (inclus).
EP15775220.5A 2014-10-13 2015-10-07 Machine de nettoyage de surfaces et procédé permettant de faire fonctionner une machine de nettoyage de surfaces Active EP3206548B1 (fr)

Applications Claiming Priority (2)

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DE102014114813.4A DE102014114813A1 (de) 2014-10-13 2014-10-13 Flächen-Reinigungsmaschine und Verfahren zum Betreiben einer Flächen-Reinigungsmaschine
PCT/EP2015/073116 WO2016058879A1 (fr) 2014-10-13 2015-10-07 Machine de nettoyage de surfaces et procédé permettant de faire fonctionner une machine de nettoyage de surfaces

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EP3206548A1 EP3206548A1 (fr) 2017-08-23
EP3206548B1 true EP3206548B1 (fr) 2019-01-30

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US (1) US10881258B2 (fr)
EP (1) EP3206548B1 (fr)
CN (1) CN106793911B (fr)
DE (1) DE102014114813A1 (fr)
ES (1) ES2722133T3 (fr)
RU (1) RU2660523C1 (fr)
WO (1) WO2016058879A1 (fr)

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RU2660523C1 (ru) 2018-07-06
WO2016058879A1 (fr) 2016-04-21
CN106793911A (zh) 2017-05-31
US10881258B2 (en) 2021-01-05
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EP3206548A1 (fr) 2017-08-23
CN106793911B (zh) 2019-07-16

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