WO2008061974A2 - Appareil électro-ménager de nettoyage de sol humide mobile et dispositif d'humidification pour rouleau mouilleur - Google Patents

Appareil électro-ménager de nettoyage de sol humide mobile et dispositif d'humidification pour rouleau mouilleur Download PDF

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Publication number
WO2008061974A2
WO2008061974A2 PCT/EP2007/062552 EP2007062552W WO2008061974A2 WO 2008061974 A2 WO2008061974 A2 WO 2008061974A2 EP 2007062552 W EP2007062552 W EP 2007062552W WO 2008061974 A2 WO2008061974 A2 WO 2008061974A2
Authority
WO
WIPO (PCT)
Prior art keywords
wiping
wiping roller
particular according
household
roller
Prior art date
Application number
PCT/EP2007/062552
Other languages
German (de)
English (en)
Other versions
WO2008061974A3 (fr
Inventor
Giuseppe Tupputi
Markus Cornelissen
Petra Delseith
Monique Dötsch
Birgit Gawlik
Manuela Gündel
Dieter Kalemba
Klaus-Martin Weber
Original Assignee
Vorwerk & Co. Interholding Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vorwerk & Co. Interholding Gmbh filed Critical Vorwerk & Co. Interholding Gmbh
Priority to EP07822729.5A priority Critical patent/EP2063755B1/fr
Publication of WO2008061974A2 publication Critical patent/WO2008061974A2/fr
Publication of WO2008061974A3 publication Critical patent/WO2008061974A3/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
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/10—Floor surfacing or polishing machines motor-driven
    • A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
    • A47L11/18—Floor surfacing or polishing machines motor-driven with rotating tools the tools being roll brushes
    • A47L11/185—Floor surfacing or polishing machines motor-driven with rotating tools the tools being roll brushes 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
    • A47L11/02—Floor surfacing or polishing machines
    • A47L11/10—Floor surfacing or polishing machines motor-driven
    • A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
    • A47L11/18—Floor surfacing or polishing machines motor-driven with rotating tools the tools being roll brushes
    • A47L11/19—Parts or details of the brushing 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
    • A47L11/4041—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
    • A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
    • A47L11/4055—Movement of the tools or the like perpendicular to the cleaning surface for lifting the tools to a non-working position
    • 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
    • A47L11/4088—Supply pumps; Spraying devices; Supply conduits

Definitions

  • the invention first relates to a movable household Bodentherapiesge- device with a wiping roller, the device is usually to move in two opposite directions of travel.
  • Floor cleaning devices of the type in question are known among other things also for the household sector.
  • Such in question household appliances have a cleaning serving, rotating wiping roller over which the processing of the care or to be cleaned soil is achieved.
  • Claim 1 wherein it is pointed out that two spaced in the direction of travel wiping rollers are provided, both of which are rotatable, of which, however, blocks at least one in at least one direction of travel of the device.
  • Driving direction of the device blocking wiper roll a line-like wiper edge.
  • the roller is operated virtually static, so that it is moved at a standstill on the ground to be cleaned.
  • the wiping edge extends transversely to the
  • a wiping edge sets in by blocking a wiping roller in only one device traveling direction, while in the opposite direction of travel both wiping rollers rotate without blocking.
  • it lends itself further to block both wiping rollers in one direction of travel and to let rotate freely in the opposite direction.
  • the proposed device is suitable both for dry floor cleaning, in which in particular one or both blocked wiping rollers act in one and / or other direction abrasive to the ground, as well as for wet floor cleaning, in which at least one of the wiping rollers is moistened.
  • both wiping rollers rest on the floor to be cleaned in each direction of travel and that the blocking of the wiping roller in one direction of travel is achieved by a blocking latching or clamping engagement, while in the other direction of travel the engagement is prevented and the wiping roller starts to rotate.
  • a blocking latching or clamping engagement it is always possible to block the front wiping roller viewed in the direction of travel of the device while the rear, correspondingly trailing wiping roller runs along.
  • the determination of the wiping roller to form the wiper edge is achieved by a blocking latching engagement in this position.
  • the wiping roller can also be clamped to block it.
  • slot guides can be provided in the device chassis, in which the wiping roller is relatively displaceable in the direction of travel, so in particular by a few millimeters, for example from two to five millimeters, but also six to ten millimeters.
  • the displacement of the wiping roller takes place in the course of reversing the direction of travel, in which the roller guided in the oblong holes is fed to a clamping position.
  • a blocking wheel rotatably connected to the roller acts against a chassis-side clamping edge, which leads to the blocking of the wiping roller and to the formation of the wiping edge.
  • the blocking wheel is again distanced to the clamping edge, after which the wiping roller is freely rotatable again.
  • a blocking inducing element of the corresponding wiping roller can be fed mechanically or electromechanically, this further optionally depending on a respective direction of travel sensing sensor or the like.
  • the wiping roller provided with a saw toothing Section, which cooperates blocking only in one direction of travel with a housing-side hinged latching finger, while in the other direction of travel and concomitant opposite rotation of the wiping roller of the locking fingers ratchet-like overflows the saw teeth.
  • a fine saw toothing is furthermore preferably provided, so that the desired blocked position for forming the wiping edge is rapidly reached when the direction of travel changes and the blocking of the wiping roller is correspondingly blocked.
  • the effective sawtooth portion is preferably provided with more than four teeth, so on with more than fifteen teeth. NEN, for example, forty-five, sixty or ninety teeth, which are evenly distributed in one embodiment over the circumference of a concentrically arranged to the wiping roller attachment portion.
  • the non-blocked wiping roller is raised in a vertically spaced position to be processed ground, while the blocked wiping roller rests on the ground. Accordingly, in a change of direction, the wiping roller previously forming the wiping edge is moved to a horizontal position in respect of tillage and the previously inactive wiping roller is lowered into the active active position providing the wiping edge.
  • the means already described can be used, such as the blocking by engaging in a locking toothing.
  • the raising and lowering of the wiping rollers can electromechanically depending on a the
  • Direction detected sensor to be achieved Preferred is a mechanical design, so on in the way that the two wiping rollers are mounted in a common rocker element, with a space parallel to the wiper roller axes extending rocker axis.
  • the bistable rocker falls in one or the other position for displacement of the respective wiping roller in the bottom loading wiping edge position.
  • the obtuse angle between the planes can continue to be about 180 °; however, an obtuse angle of less than 180 °, for example 175, 160 or 150 °, is preferred.
  • the device can also be supported on the floor to be cared for, so that the rocking motion concentrates solely on the rocker element.
  • the device can serve as such as a rocker without separate rocker element.
  • the rocker rocker switch can be done in response to the forward or sudhubiolo the preferred stalk guided device, so for example by a sensori-see detection of the stroke direction and signal evaluation motorically controlled rocker switch.
  • the forward or return stroke force applied by the user can also be used purely mechanically, so that, for example, a connecting joint between the device and guide stem or the like can be displaced in a stop-limited manner in the pre-lifting or return stroke direction.
  • the displacement distances are track dimensions in the millimeter range, for example in the range from 5 to a total of 20 mm.
  • This relative displacement of the connecting joint or a portion of the joint is transmitted via a lever mechanism acting on the rocker.
  • the rocking movement of the entire device can also be realized in a similar manner by, for example, with an embodiment of the connecting joint as a tilting joint whose axis and a spatially parallel thereto, the device center of gravity receiving axis in the rocker-neutral orientation of the device are perpendicular to each other.
  • the force caused by the user in a forward displacement of the device causes a corresponding tilting of the device for ground contact of the front in the direction of travel wiping roller.
  • the device tilts accordingly about the rocker axis, so that thereafter the previously active wiping roller is raised and the other wiping roller is lowered.
  • the wiping roller which is behind in the direction of travel to block, while the front wiping roller viewed in the same direction runs freely rotating or is raised.
  • both wipers while rotating freely in the other direction of travel are also possible.
  • the blocked rotational position can be achieved by rotating the wiping roller by a predetermined angular amount, this further for example by rotating the wiping roller in a raised position thereof.
  • the wiping roller is correspondingly rotated by a predetermined angle.
  • the number of different wiping edges viewed over the circumference of the wiping roller is therefore predetermined.
  • a segmental further rotation of the roll can be provided by a few angular degrees, for example by 2 ° to 5 °, in order to offer a new wiper edge for the next change of direction.
  • the segmental further rotation of the inactive, d. H. not the wiping edge forming wiping roller can in the raised, d. H. take place in the position to be cleaned to the floor to be cleaned of the roller.
  • a movement movement of the device is detected which is free-running.
  • impeller provided. This is rotated in the course of the device movement in the direction of travel.
  • this wiping roller adjustment is prepared by a predetermined angular amount.
  • the impeller for displacing the wiping roller by a predetermined angular amount by means of a Ausgurzapfens acting on a displaceable lever.
  • the release pin is arranged eccentrically to the impeller axis for this purpose.
  • the lever is displaced in a shift from a prepared position on the release pin for segmental displacement of the wiping roller and is overflowable in this position upon further displacement of the device in the selected direction and corresponding direction of rotation of the impeller of the release pin.
  • the lever has a driving projection for cooperation with a gearwheel which can be driven by the wiping roller. This is preferably formed like a tooth, cross-section adapted to the tooth gaps of the gear.
  • the linear displacement of the lever as a result of a rearward application via the release pin is preferably designed such that, in the course of this displacement, further rotation of the toothed wheel about a tooth is achieved. Also, the shift of the gear by more than one
  • Tooth for example, each stroke by two teeth or three teeth is possible.
  • the lever is in the shifted displacement position, ie secured in the position after reaching the segmental further rotation of the wiping roller to block the wiping roller against an automatic return displacement.
  • This is achieved, for example, by a pawl which interacts positively with the lever in the displaced displacement position.
  • this pawl of the release pin is overflowable.
  • the release pin acts on the pawl so that it is displaced to release the lever.
  • the latter is relocated to the starting position, which in a preferred embodiment is fixed. which is supported.
  • One of the wiping rollers is to be moistened in connection with a wet cleaning of the floor with a liquid, for example water mixed with a cleaning agent, in particular the wiping roller providing the wiping edge. So it is further preferred that both wiping rollers are to be moistened, this further combinatively, depending on the selected direction of travel of the device.
  • a third Nachwischwalze is arranged in a development of the subject invention between the two wiping rollers. These, like the wiping rollers, can also be covered with a cleaning cloth or the like, for example with a microfiber cloth.
  • the Nachwischwalze preferably has a relation to the two other wiping rollers larger diameter and is also constantly driven, so about an electric motor.
  • the Nachwischwalze always rotates in one direction, this regardless of the direction of travel of the device. Solutions provide, however, to adjust the direction of rotation of Nachwischwalze especially for longer travel distances of the device in only one direction to the direction of travel, this further example, automatically triggered depending on the Verfahr therapiess . Also, the Nachwischwalze can be arranged in the simplest way mit Edinburghd, consequently, the rotational speed of the Nachwischwalze is dependent on the travel speed of the device. In an electromotive drive the Nachwischwalze, however, the rotational speed of the same may be greater or smaller than the travel speed of the device.
  • the wiping rollers and / or the Nachwischwalze are spanned with a removable cleaning cloth.
  • a removable cleaning cloth This may be a microfiber cloth, which is for example Velcro connected to the wiping roller.
  • the cleaning cloth can also be drawn like a stocking over the wiping roller. In any case, a simple handling for removing the cleaning cloth is given to this a cleaning, such as a washing machine cleaning supply.
  • the axis of the wiping roller arranged between the wiping rollers is at the same time the rocker axis.
  • the Nachwischwalze can also act the crucial moment on the rocker to let them turn over, so that the corresponding wiping roller falls into the bottom loading blocking position.
  • the active wiping roller corresponding to the wiping edge or, alternatively, both wiping rollers can also be rotated stepwise at the same time, for example, whereby the rotational speed achieved is generally lower than a conventional traversing speed of the device, so that at least one of the wiping rollers and the wiper roller slips on the ground to be cleaned. This results in an at least intermittently resulting wiping edge.
  • the invention also relates to a moistening device for a wiping roller in a movable household floor cleaning device.
  • the wiping roller is moistened by a time-limited, optionally repeating liquid free jet passing through a jet maximum.
  • This free jet is released via a nozzle, wherein a liquid pressure generated, for example, via a pump in the way to the nozzle is released like a slide, for example by means of a valve.
  • a liquid pressure generated for example, via a pump in the way to the nozzle is released like a slide, for example by means of a valve.
  • a liquid pressure generated for example, via a pump in the way to the nozzle is released like a slide, for example by means of a valve.
  • a clocked, interval-like liquid application is preferably provided on the roller, which may be further activated or deactivated as a function of the direction of travel of the floor cleaning device.
  • a nozzle is associated with one end of the wiping roller, according to which the moistening by means of the liquid free jet is carried out starting from one end of the wiping roller on the longitudinal extent of the roller.
  • the nozzle and the pressure to be built up in the path to the nozzle are designed in such a way that, via this one nozzle, the wiping roller is filled with only one side over its entire length. is irradiated.
  • the invention relates to a movable household Bodenfeuchtreini- supply device with at least one wettable wiping roller, the device is usually to move in two opposite directions of travel.
  • a soil wet cleaning device of the type in question is provided, by means of which wiper cleaning, in particular of hard floors, can be achieved in a manner which is simpler and more convenient for the user.
  • wiper cleaning in particular of hard floors
  • the two wiping rollers are associated edge edge near the front side and the rear side of the device assigned, this continues to extend transversely to the usual direction of travel of the device, thus at the same time the machining width is defined over the axial roller length.
  • the Nachwischwalze is connected in each case behind the front in the direction of travel wiping roller, which also actively engages in soil tillage. This absorbs, for example, excess amounts of liquid from the floor and, if appropriate, dirt particles not picked up by the first wiping roller and preferably leaves a mist-moist covering on the cleaned floor.
  • the Nachwischwalze is humidified in one embodiment of the subject invention, is correspondingly actively added by means of a liquid supply with liquid.
  • the liquid supply can be carried out continuously or intervallallartig.
  • the Nachwischwalze can not be humidified. This can also be regulated individually, for example, depending on the degree of soiling or on the type of floor covering.
  • the Nachwischwalze may have a larger diameter than one or both wettable wiping rollers, which latter also have the same diameter in a design.
  • the diameter of the Nachwischwalze corresponds to about 1.1 to 2 times the wiping roller diameter, such as 1.3 to 1.5 times.
  • the Nachwischwalze has a smaller or equal diameter than one or both wiping rollers.
  • the diameter of the Nachwischwalze example the 0.7 to 1 times, so on, for example, 0.75 to 0.9 times the diameter of a wiper roll correspond.
  • the two wiping rollers are rotatable, of which, however, blocks one in each direction of travel of the device.
  • the blocking in the direction of travel of the device wiping roll here forms a line-like wiping edge.
  • the roller is operated virtually static, so that it is moved at a standstill on the ground to be cleaned.
  • the wiping edge extends here transversely to the direction of travel of the device and takes over the cleaning of the soil.
  • this embodiment always results in a fixed Wiper edge in the front area viewed in the direction of travel of the device.
  • it can be provided in one embodiment that always blocks the viewed in the direction of travel rear wiping roller to form the wiper edge.
  • both wiping rollers rest on the floor to be cleaned in each direction of travel and that the blocking of the wiping roller in one direction of travel is achieved by a blocking latching or clamping engagement, while in the other direction of travel the engagement is prevented and the wiping roller runs along ,
  • a blocking latching or clamping engagement it is always possible to block the front wiping roller viewed in the direction of travel of the device while the rear, correspondingly trailing wiping roller runs along.
  • the determination of the wiping roller to form the wiper edge is achieved by a blocking latching engagement in this position.
  • the wiping roller can also be clamped to block it.
  • slot guides can be provided in the device chassis, in which the wiping roller is relatively displaceable in the direction of travel, in particular by a measure of a few millimeters, for example from two to five millimeters, but also six to ten millimeters. The displacement of the wiping roller takes place in the course of reversing the direction of travel, in which the roller guided in the oblong holes is fed to a clamping position.
  • a blocking wheel rotatably connected to the roller acts against a chassis-side clamping edge, which leads to the blocking of the wiping roller and to the formation of the wiping edge.
  • the blocking wheel is again distanced to the clamping edge, after which the wiping roller is freely rotatable again.
  • a blocking-inducing element of the corresponding wiping roller can be mechanically or electromechanically fed, this further possibly depending on
  • the wiping roller has a section provided with a saw toothing, which acts in a blocking manner only in one direction of travel with a locking finger hinged on the housing side, while in the other direction of travel and thus accompanied by opposite rotation of the wiping roller of the locking fingers ratchet-like overflows the saw teeth.
  • a fine saw toothing is furthermore preferably provided, so that the desired blocked position for forming the wiping edge is rapidly reached when the direction of travel changes and the blocking of the wiping roller is correspondingly blocked.
  • the effective sawtooth portion is preferably provided with more than four teeth, and so on with more than fifteen teeth, such as forty-five, sixty or ninety teeth, which, in one embodiment, distribute evenly over the circumference of a fastener section concentric with the wiping roller.
  • the non-blocked wiping roller is raised in a vertically spaced position to be processed ground, while the blocked wiping roller rests on the ground. Accordingly, when a change of direction, the wiping roller previously forming the wiping edge is moved to a raised position which is inactive with regard to tillage, and the previously inactive wiping roller is lowered into the active active position providing the wiping edge.
  • the means already described can be used, such as the blocking by engaging in a locking toothing.
  • the raising and lowering of the wiping rollers can be achieved electromechanically as a function of a sensor detecting the direction of travel.
  • the bistable rocker drops into one or the other position for displacing the respective wiping roller into the rocker roller. denbeauf striking wiping edge position.
  • the obtuse angle between the planes can continue to be about 180 °; however, an obtuse angle of less than 180 °, for example 175, 160 or 150 °, is preferred.
  • the device can be supported on rollers or sliders on the floor to be cared for, so that the rocking motion concentrates solely on the rocker element.
  • the device can serve as such as a rocker without separate rocker element.
  • the rocker switch depending on the forward or remindhubterrorism of preferably stalk guided device done, so for example by a sensory detection of the stroke direction and signal evaluation motor-controlled rocker switch.
  • the forward or return stroke force applied by the user can also be used purely mechanically, so that, for example, a connecting joint between the device and guide stem or the like can be displaced in a stop-limited manner in the pre-lifting or return stroke direction.
  • the displacement distances are track dimensions in the millimeter range, for example in the range from 5 to a total of 20 mm.
  • This relative displacement of the connecting joint or a portion of the joint is transmitted via a lever mechanism acting on the rocker.
  • the rocking movement of the entire device can be implemented similarly with this variant, for example, in an education of the connecting joint as Drehkippgelenk whose axis and a space parallel thereto, the device center of gravity receiving axis in the rocker neutral orientation of the device are perpendicular to each other.
  • the force exerted by the user in a forward displacement of the device causes a corresponding tilting of the device for ground contact in
  • Driving direction front wiper roller When pulling on the device handle tilts The device is then moved around the rocker axis so that the previously active wiping roller is raised after that and the other wiping roller is lowered.
  • the front in the direction of travel wiping roller is always blocked to form a wiper edge, while the considered in the direction of travel rear wiping roller runs freely or dwells in the raised inactive position.
  • the wiping roller which is behind in the direction of travel to block, while the front wiping roller viewed in the same direction runs freely rotating or is raised.
  • the blocked rotational position can be achieved by rotating the wiping roller by a predetermined angular amount, this further for example by rotating the wiping roller in a raised position thereof.
  • a segmental rotation of the inactive, ie not forming the wiping edge wiping roller is reached.
  • the wiping roller is correspondingly rotated by a predetermined angle.
  • the number of different wiping edges viewed over the circumference of the wiping roller is therefore predetermined.
  • a segmental further rotation of the roller by a few degrees, for example by 2 ° to 5 ° be provided to offer hereafter for the next change of direction a new wiper edge.
  • the segmental further rotation of the inactive, ie not the wiping edge forming wiping roller can be done in the raised, ie spaced apart from the ground to be cleaned position of the roller.
  • a free-running impeller which detects the travel movement of the device is provided. This is rotated in the course of the device movement in the direction of travel. Depending on the direction of travel, the idler wheel causes the wiping roller to be displaced by a predetermined angle. When moving in the opposite direction of travel, this wiping roller adjustment is prepared by a predetermined angular amount.
  • the impeller for displacing the wiping roller by a predetermined angular amount by means of a Ausgurzapfens acting on a displaceable lever.
  • Ausschzapfen is arranged eccentrically to the impeller axis.
  • the lever is displaced in a shift from a prepared position on the release pin for segmental displacement of the wiping roller and is in this position at further displacement of the device in the selected direction of travel and corresponding direction of rotation of the impeller of the release pin overflow.
  • the lever has a driving projection for cooperation with a gearwheel which can be driven by the wiping roller. This is preferably formed like a tooth, cross-section adapted to the tooth gaps of the gear.
  • the linear displacement of the lever as a result of a rear application via the release pin is preferably designed so that in the course of this shift further rotation of the gear is achieved by a tooth.
  • the shift of the gear by more than one tooth for example, each stroke by two teeth or three teeth is possible.
  • the lever is in the shifted displacement position, ie secured in the position after reaching the segmental further rotation of the wiping roller for blocking the wiping roller against an automatic return displacement.
  • This is For example, achieved by a pawl which cooperates positively with the lever in the displaced displacement position. In compliance with the selected direction of travel, this pawl of the release pin is overflowable.
  • a further facilitation of soil cultivation, in particular of wetland processing, is achieved by providing an extraction system.
  • the usual hard floor cleaning namely sweeping or vacuuming, wiping and wiping is achieved with only one device. It does not require the handling of several different devices accordingly.
  • the suction can be carried out separately and independently of the wiping operation, for example, further apart in time, for example.
  • an extraction of the soil to be cleaned can be carried out, after which, for example, by switching the wiping function is brought about.
  • preference is given to immediate tillage by suction and subsequent wiping which is achieved by positioning the suction in the direction of travel in front of the respective wiping roller.
  • a suction is provided limited to the area of one or both wiping rollers.
  • the extraction takes place in an advantageous manner over the entire device width, ie more preferably at least over the axial length of the wiping rollers.
  • both suction sections can always be activated in the course of soil cultivation, independently of the respective direction of travel.
  • suction switching the suction depending on the direction of travel is possible, which causes an intensification of the suction in the range of each activated suction. This is further generally considered in the direction of travel each front suction before the associated wiping roller.
  • the wiping roller or both wiping rollers are moistened by capillary transport, for example by arranging a bristle strip extending over the length of the wiping roller, which is in contact with the rear to form a liquid tank.
  • the free ends of the bristle strip are in direct contact with the roll surface.
  • a kind of wick or the like can be interposed.
  • the liquid may be delivered to the wiping rollers via a pump or a pressure controlled cylinder.
  • the liquid is fed gravimetrically to the roller.
  • the liquid application to the roller after transport from the tank into the roller area can be achieved via nozzles, drip strips or slit membranes.
  • the wiping roller is moistened by passing a jet maximum through a time-limited, optionally repeating, liquid jet.
  • This free jet is released via a nozzle, wherein a fluid pressure, for example, generated by a pump in the supply away to the nozzle like a slider, for example, by means of a valve is released.
  • a fluid pressure for example, generated by a pump in the supply away to the nozzle like a slider, for example, by means of a valve is released.
  • a fluid pressure for example, generated by a pump in the supply away to the nozzle like a slider, for example, by means of a valve is released.
  • the liquid application is clocked onto the roller, takes place in an interval-like manner, which order can be further activated or deactivated as a function of the direction of travel of the device.
  • a nozzle is associated with an end of the wiping roller, according to which the moistening takes place by means of the free jet of liquid from one end of the wiping roller oriented along the longitudinal extent of the roller in the direction of the distal end of the roller. Due to the intended initially increasing beam intensity and passing through a maximum beam preferably in the region of the end of the wiping roller opposite the nozzle and the beam intensity decreasing thereafter, a uniform moistening of the wiping roller over its entire length is achieved starting from only one side. Further, two nozzles may be provided which are arranged facing each other, so on, each one nozzle associated with one end of the wiping roller. A particularly uniform application of liquid to the floor to be maintained or cleaned is achieved by assigning the jet in vertical projection to the zenith of the wiping roller.
  • the wiping roller is moistened via a plurality of nozzles directed towards the zenith of the wiping roller.
  • two or more nozzles may be provided, which are further aligned substantially perpendicular to the axis of rotation of the wiping roller.
  • four, six or nine to twelve such nozzles can be arranged on top of the roller, moreover, each further integer value over two.
  • the liquid application via these nozzles can be continuous, this more preferably only when the associated wiping roller is blocked and offers the wiping edge. An interval moistening of the wiping roller via the nozzles is possible.
  • the nozzles are further in juxtaposition arranged along a space parallel to the shaft axis.
  • the nozzles can be formed directly out of a liquid feed line aligned parallel to the shaft axis. According to this embodiment, a uniform moistening of the wiping roller is made possible in a favorable manner.
  • the Nachwischwalze is driven, so in particular via an integrated integrated in the device electric motor.
  • the Nachwischwalze may in this regard have a preferred direction of rotation is directed either in the usual direction of travel forward or opposite thereto. It is also conceivable in this regard, an embodiment in which, in particular at longer rectified trajectories, such as in the wet cleaning of longer corridors or the like., With the change of the direction of travel of the device at the same time a rotation reversal of the Nachwischwalze is performed.
  • the rotational speed of the Nachwischwalze is in any case different from the usual traversing speed of the device, so more preferably a multiple faster than the usual traversing speed of the device in the course of a conventional, handge gleich- th operation thereof. Also possible are solutions in which the rotational speed of the Nachwischwalze is less than the traversing speed of the device, which sets a slip in the Nachwischwalze. In a further alternative embodiment, the Nachwischwalze is not actively driven, but formed mit noteworthyd.
  • the receiving the cleaning fluid tank of the device is arranged in a preferred embodiment, at least to a greater extent between the wiping rollers. This can continue to be formed to a large extent underflurgard the device.
  • a liquid tank can be further filled with water or with a finished water-detergent mixture.
  • the water and cleaning contains concentrated concentrate (in the form of liquid, powder, Taps or the like.) Separately and mixed ready for use for humidification.
  • the wiping rollers and / or the subsequent wiping roller are dirty on the surface side, in particular in the area of their wiped cleaning cloth or the like, in the course of tilling. As a result, it is necessary to clean the rollers.
  • the rollers ie the wiping rollers and / or the Nachwischwalze removably arranged in the device.
  • the rollers may be provided with corresponding handling tabs, so that a removal of the rolls without direct contact with the dirty cleaning surfaces can be achieved.
  • the rollers are further designed to be washable.
  • an intermediate cleaning station may further be provided, which optionally has a cleaning liquid comprising rotating brushes or the like mechanically acting on the rollers of the device mounted on this station.
  • the station-side brushes can be actively driven and to work against the device-side rollers while removing the collected dirt, in particular the coarse dirt.
  • the station can interact passively, ie not actively driven, with the device by rotating the rollers of the device and operating against fixed brushes of the station.
  • a moisture separator is provided further in the provided suction channel of the device. This is designed so that a differentiation of dirt or dust particles and water particles is achieved in the suction air flow, so that the dirt and dust particles fed to a dust filter and the separated liquid can be fed back into the tank.
  • the moisture separator may also be designed so that when a predetermined degree of moisture in the suction air is exceeded, the suction channel is blocked and thus a further suction is prevented.
  • a moisture sensor monitoring the suction channel which measures the degree of moisture in the particle-laden suction air.
  • a blower delivering the suction is switched off or at least reduced to a minimum power not sufficient for a liquid transport.
  • a suction of a medium with increased moisture content is certainly counteracted. In particular, the absorption of liquids is thereby prevented.
  • a capacitive sensor can be used as a humidity sensor.
  • Such sensors are known for example from the technical field of moisture measuring devices for walls.
  • the sensor is tuned such that it reacts only to water particles and outputs a signal analogous to the detected moisture quantity.
  • Such a sensor can be used in the flow channel of the device, so further preferably in an angled channel section, so that the sensor in the area of the resulting impact surface of possible moisture particles also reliably detects them.
  • the determined sensor value is processed by a downstream electronics and with a predetermined setpoint whose detected exceedance causes an immediate safety shutdown of the vacuum cleaner.
  • the proposed device can be designed as a self-propelled device in the sense of a suction / wiping robot, but also as an attachment for a conventional household vacuum cleaner, on which vacuum cleaner on the one hand, the power supply of the attachment.
  • the suction-air flow connection is also reached via the vacuum cleaner, for which the device-side suction paths are united via a standard rotary / tilting joint as a device interface with the vacuum cleaner.
  • FIG. 1 is a perspective view of a household
  • FIG. 2 shows the floor cleaning appliance in a perspective view after removal of a device hood
  • FIG. 3 shows the view according to the arrow III in Fig. 2.
  • FIG. 4 shows the view according to the arrow IV in Fig. 2.
  • Fig. 5 is the bottom view against the device
  • Fig. 6 shows the front view against the device according to the arrow VI in FIG.
  • FIG. 7 shows the rear view against the device according to the arrow VII in FIG. 2;
  • FIG. 7 shows the rear view against the device according to the arrow VII in FIG. 2;
  • FIG. 8 shows the schematic section along the line VIII-VIII in Fig. 5.
  • FIG. 9 shows the schematic section according to the line IX - IX in FIG. 5;
  • FIG. 10 shows a schematic, ruffled sectional view along the line X-X in FIG. 5;
  • FIG. 11 shows the floor cleaning appliance of the first embodiment in an exploded perspective view
  • FIG. 12 shows a cross-section through the device in a second embodiment of a roller associated humidifying device
  • FIG. 13 shows the section according to the line XIII-XIII in FIG. 12;
  • FIG. 14 shows a cross-section according to FIG. 9, relating to an alternative embodiment
  • FIG. 15 shows the cleaning device in a side view, relating to a further embodiment
  • Fig. 16 is a schematic longitudinal sectional view of the apparatus of Fig. 15;
  • Fig. 17 is a representation corresponding to FIG. 15, but at a
  • FIG. 18 is a representation corresponding to FIG. 16, but concerning the position according to FIG. 17;
  • FIG. 18 is a representation corresponding to FIG. 16, but concerning the position according to FIG. 17;
  • FIG. 19 shows, in a further embodiment, a wiping roller with a blocking wheel arranged thereon in a rotationally fixed manner, when the wiping roller is mounted in slot guides of the device housing, relating to the freewheeling position of the wiping roller;
  • Fig. 20 is a representation corresponding to FIG. 19, but the
  • FIG. 22 is a schematic perspective view of a mechanism for displacing the wiping roller by a predetermined angle as a function of the direction of travel of the device.
  • a movable household floor cleaning device 1 as an attachment 2 for a stalk-guided here household vacuum cleaner 3.
  • the latter has in a conventional form a basic housing 4, in which a suction / blower unit, not shown is arranged. About this a suction air flow is achievable.
  • a filter bag receiving cartridge 5 is hinged on the basic housing 4 of the vacuum cleaner 3 .
  • the filter bag is used to filter the dirt-laden suction air.
  • this is provided with a fixed to the base housing 4 handle 6. This has at the end a handle 7.
  • the electrical supply takes place via an incoming electric cable 8 in the handle.
  • Trained as a wet cleaning device floor cleaning device 1 is connected via a rotary / tilting joint 9 to the vacuum cleaner 3 both electrically and fluidically.
  • the joint 9 offers the possibility of tilting the vacuum cleaner 3 relative to the attachment 2 in the course of normal work.
  • that joint 9 have a so-called parking position, in which the connected vacuum cleaner 3 via a 90 ° position, d. H. displaced beyond a vertical orientation of the same in the direction of an end face of the device 1 and rastgehaltert in this position.
  • This position can also be connected to switching functions, for example a reduction in the power of the suction fan and / or the switching off of vacuum cleaner side and / or headset side electric motors.
  • the floor cleaning device 1 is adapted to the dimensions of conventional attachments in the form of suction nozzles and / or brush cleaning advised. Accordingly, a height of the floor cleaning device 1 is selected, which allows the driving under common furniture; this is achieved for example by a height of about 150 mm.
  • the width considered transversely to a usual travel direction r corresponds approximately to a factor of 3 to 4 times the height of the device, this further for a substantially approximately square ground plan.
  • the device 1 is provided on the underside with three passing through the chassis floor and in operating position on the floor to be cleaned 10 resting rollers. There are two wiping rollers 11, 12 and a Nachwischwalze 13 are provided in this regard. About these rollers, the device 1 is supported on the floor 10. In an alternative embodiment, the chassis 16 may have separate rollers over which the device 1 is supported on the floor 10 to be cleaned. In this case, the wiping rollers 11, 12 and optionally the Nachwischwalze 13 are guided on the ground 10 only with its own weight and / or under a defined Federvorbelastung. It is achieved as a decoupling of the user via the handle 6 initiated force and the weight of the device.
  • rollers all extend transversely to the usual direction of travel r and accordingly also transversely to the direction of travel r opposite direction r ', which directions of movement r and r' the usual working movement of the user of a vacuum cleaner results, namely generally alternately back and forth, this on possibly with slight dodging out of the linear, so as to process a next path.
  • the wiping roller 11 is assigned to the end region 14 of the device, while the other wiping roller 12 is positioned in the rear region 15. In this rear region 15, the aforementioned rotary / tilting joint 9 is formed on the upper side.
  • the wiping rollers 11 and 12 extend approximately over the entire transverse to the direction of travel r or r 'considered device width, so further specifically in the illustrated example about 85% of this width.
  • the wiping roller 11 is arranged at the front during movement of the device 1 in the direction of travel and the wiping roller 12 at the rear, while in a process of the wiper device 1 in direction r 'the wiping roller 12 is positioned at the front and the wiping roller 11 at the rear.
  • the Nachwischwalze 13 is positioned immediately adjacent to the wiping roller 11 in the first embodiment shown in FIGS. 1 to 11. This is initially designed compared to the wiping rollers 11 and 12 viewed in the axial direction shorter, according to the illustrated embodiment has only an axial length corresponding to about 75% of the measured in the same direction housing width.
  • the Nachwischwalze 13 with respect to each wiping roller 11, 12 increased in diameter.
  • the parallel aligned axes of the wiping rollers 11 and 12 and the Nachwischwalze 13 are positioned so that the rollers span a common support plane underside.
  • the chassis 16 is transverse to the direction of travel r and r 'extending tank 17 is provided. This is on the one hand in the region of a housing broadside over in an approximately right-angled upward section 18. This is provided with a filler neck 19 which is covered in the operating position of a screw 20. About the filler neck 19, the tank can be filled with a cleaning liquid.
  • the filler neck 19 passes through a device hood 21 which also forms Sschür- zen, as well as front and rear aprons, which aprons are provided on the underside with directed to the bottom 10 sealing strips 53.
  • the aprons extend in the direction of the floor to be cared for 10 and end with their sealing line 53 at a slight distance to this, so that the cleaning area of the device 1 is covered approximately to the sides.
  • Each wiping roller 11 is associated with a suction region 22, 23, this further in each case directly upstream of the travel direction r or r '.
  • the suction region 22 is arranged in the direction of travel r in front of the wiping roller 11 and the suction region 23 in the direction of travel r 'in front of the wiping roller 12.
  • the suction areas 22, 23 are nozzle-like, extending over the entire housing width extending, wherein in the resulting slot-like nozzle mouth 24 to even out the suction ratios over the entire width of the housing baffles 25 are provided.
  • the open suction areas 22, 23 directed downwards in the direction of the floor 10 to be cleaned continue into channel-like suction paths 26, 27 guided under the device hood 21, which bring about a covering to a flow channel 28 approximately in overlap with the tank 17 provided on the underside are.
  • the latter is connected to the formed in the rotary / tilting joint 9 channel 29, via which the suction line connection to the vacuum cleaner 3 takes place.
  • a capacitive sensor S is arranged in the flow channel 28, further in the angled transition region to the formed in the rotary / tilting joint 9 channel 29, a capacitive sensor S is arranged.
  • This serves as a humidity sensor, which is tuned so that it only reacts to water particles and outputs a signal analogous to the detected moisture quantity.
  • the arrangement of the sensor S is in this case chosen so that it represents a baffle for possible moisture particles.
  • the determined sensor value is processed by a downstream electronic unit and compared with a preset setpoint value. If an excess is detected, an immediate shutdown of the vacuum cleaner or a reduction that is insufficient for fluid transport to a minimum capacity occurs. As a result of this embodiment, the absorption of a medium with a high degree of moisture is certainly counteracted. In particular, the absorption of liquids is thereby prevented.
  • Both suction areas 22 and 23 are active after switching on the vacuum cleaner 3 and corresponding application of the suction power, so that correspondingly sucked in via both suction areas 22 and 23.
  • An alternative solution envisages activating only the suction area 22 or 23 at the front in the travel direction r or r 'and deactivating the other suction area 23, 22 so as to achieve approximately maximum suction power in the respectively active suction area.
  • the Nachwischwalze 13 is actively driven.
  • the latter is provided with a coupling teeth 33.
  • the first formed as a cylindrical hollow body Nachwischwalze 13 is provided at one end with a form-fitting insertable coupling part 34.
  • This has on the outer side radially projecting driving means 35, which engage in corresponding, not shown in the drawings on the inside wall of the Nachwischwalze 13 formed driving recesses.
  • the coupling part 34 is provided with a hub 36 which is formed on the inside for cooperation with the coupling teeth 33 of the drive shaft 32.
  • the positive rotational drive of the Nachwischwalze 13 is reached.
  • the Nachwischwalze 13 is always rotationally driven in the operating state of the device 1.
  • the two wiping rollers 11 and 12 are not actively driven against the Nachwischwalze 13. These have initially extended in the axial direction on the respective end face protruding axle stub 38, with which the wiping rollers 11 and 12 eino in corresponding axle mounts 39 of the chassis 16. About this axial securing of the wiping rollers 11 and 12 is achieved.
  • Achs emotionsstummel 38 In the region of the drive side of the Nachwischwalze 13 facing ends of the wiping rollers 11 and 12 carry there formed Achs emotionsstummel 38 each have a gear 40, 41. This is rotatably connected to the Achs stressesstummel 38 and this with the wiping roller 11 and 12 respectively.
  • the two gears 40 and 41 each have circumferentially a saw toothing. These counter-teeth 42 and 43 act together with chassissei- term fixed, resiliently formed detent fingers 44 and 45. From the opposing teeth of the two wiping rollers 11 and 12 arise in connection with the correspondingly acting locking fingers 44 and 45 direction-dependent rotational driving the wiping rollers 11 and 12 and Blocking, wherein a rotation of a wiping roller 11 or 12 is achieved solely by frictional connection to the soil 10 to be processed in the course of soil cultivation and the associated displacement of the device.
  • the saw teeth 42 and 43 are selected so that, when the device 1 is moved forward in the travel direction r, the front wiping roller 11 is blocked by the corresponding action of the locking finger 44 on the saw teeth 42 the rear wiper roller 12 rotates freely in the case of ratchet-like deflection of the corresponding latching finger 45 via the sawtooth 43.
  • the state changes to the effect that now the wiping roller 11 rotates while the then wiping roller 12 in the direction of travel blocks.
  • wiping roller 11 or 12 By respectively blocking wiping roller 11 or 12, this is operated statically in this state. This means that it is pushed over the floor to be cleaned 10 at a standstill. This produces a wiping edge along the contact line between the wiping roller and the floor 10 to be cleaned. This wiping edge takes over the cleaning of the soil by the movement of this temporary edge relative to the bottom 10, whereby the dirt is dissolved, bound and transported away.
  • the wiping edge changes to the other wiping roller, which then blocks, while the wiping edge previously offering wiping roller rotates freely.
  • a new, randomly reached wiping edge is formed, which has the advantage of an approximately uniform soiling of the entire roll surface in the course of a cleaning process.
  • new, clean wiping edges are set up again and again until a return soiling onto the ground.
  • the wiping rollers 11 and 12 as well as the Nachwischwalze 13 are circumferentially coated by a cloth-like cleaning pad 46, 47, for example in the form of a microfiber cloth.
  • rollers 11 to 13 can be removed from the device 1, so in particular laterally pulled out of the device 1 optionally after lifting the device cover 21 to forward the rollers for cleaning.
  • the wiping rollers 11 and 12 are moistened for the wet cleaning of the floor 10.
  • the respective wiping roller 11 and 12 overlapping space nozzles 48 are provided in the space through the chassis 16. These are supplied via the hose lines, not shown, with the interposition of a pump 49 from the tank 17.
  • Each wiping roller 11 and 12 are associated with two nozzles 48, so further each viewed in the axial direction of a nozzle end, wherein further the two of a wiping roller 11 and 12 associated nozzles 48 are aligned zugemony each other.
  • the blocked wiping roller 11 or 12 is moistened via the nozzles 48, so further according to the direction of travel of the device, the respective front, the wiper edge offering wiper roller 11 or 12.
  • the nozzles 48, the freely rotatable wiping roller 12, 11 assigned are, are disabled.
  • the respective feed of the nozzles 48 of the blocked wiping roller 11 or 12 is controlled depending on the direction of an electronics 50, not shown.
  • FIGS. 12 and 13 An alternative embodiment of the moistening device for the wiping roller 11 or 12 is shown in FIGS. 12 and 13.
  • the tank 17 or the liquid stored in the tank 17 is in direct contact with a humidifying device.
  • the latter is formed by a bristle strip 51, which is responsible for the Kapillartransport.
  • This bristle strip 51 extends above the rolling zenith over the entire axial length of the roller, wherein the free ends of the bristles wet a parallel to the roller axis aligned wick 52. From the saturated wick 52, the liquid is removed via the associated wiping roller 11 and 12 respectively.
  • the capillary transport can also be achieved by a sponge body or other capillary EIe- elements.
  • FIG. 14 shows a further alternative embodiment of a moistening device for a wiping roller 11 or 12.
  • This moistening device is formed by a plurality of nozzles 54 directed towards the zenith of the wiping roller 11 or 12 and arranged in juxtaposition along a space parallel to the wiping roller axis x. In the illustrated embodiment, these are 27 of such nozzles 54, which are supplied together via a distributor-forming feed line 55. As a result of the proposed embodiment, a uniform moistening of the wiping roller 11 or 12 is achieved.
  • FIGS. 15 to 18 show, in a further embodiment, an alternative embodiment of the floor cleaning device 1.
  • This first has a structurally smaller tank 17 compared to the first embodiment.
  • This is designed in particular flatter, which allows a placement associated with the device surface. Accordingly, the tank 17 extends above the Wiping rollers 11 and 12 and the Nachwischwalze 13, so that the latter viewed in the respective direction of travel compared to the first embodiment can be placed closer to each other.
  • the Nachwischwalze 13 is centrally positioned as viewed in the direction of travel between the wiping rollers 11 and 12, further in this embodiment, the Nachwischwalze 13 has a diameter of the wiping roller 11 and 12 corresponding diameter.
  • the plane E is assigned to the wiping roller 11 and the plane E 'of the wiping roller 12.
  • the wiping roller 11 or 12 which respectively projects in the direction of travel, falls down into the active position, ie. H. in the contact position to be cared for floor 10, in which position also the activated wiping roller 11 and 12 is blocked.
  • This can be achieved in the simplest way by a ratchet-like blocking according to the first embodiment.
  • the active wiping roller 11 and 12 associated level E and E ' runs at a Nachwischwalze 13 with the same diameter at a parallel distance to be cleaned bottom 10, while the inactive wiping roller 11 and 12 associated level E and E' to increase the wiping roller is pivoted out of the horizontal by the angle alpha of about 15 °, this further while canceling the blocking of the associated wiping roller.
  • a segmental further rotation of the wiping roller can be achieved in order to offer a new wiping edge at the next change of direction and corresponding lowering of the wiping roller.
  • the controlled rockers is derived in the illustrated embodiment, depending on the applied by the user forward and scrubhubterrorism.
  • the wiper device 1 is initially supported by rollers 85 on the floor 10 to be maintained.
  • the stem 6 receiving rotational / tilting joint 9 is guided in the device, further in the region of the tilting joint axis in chassis devisen slot recesses 89. Accordingly, that is
  • Tilting joint 9 a linear displacement, further a substantially parallel Soil displacement allows this to continue over a distance of up to, for example, 15 mm.
  • guide pins 88 engage in the slot recesses 89, which guide pins 88 at the same time receive the tilting axis of the tilting joint 9.
  • a control lever 87 is connected. This acts on a steering lever 86, which is rotatably connected to the rocker element 56.
  • the steering lever 86 is in this case positioned in the region of an angle bisector between the rocker arms 57 and 58 and, in the illustrated embodiment, points upwards, i. H. turned away from the chassis floor.
  • a force P is introduced via the stem 6 and thus also via the rotary / tilting joint 9, which causes a limited forward displacement of the rotary / tilting joint 9 relative to the device 1 over a few millimeters, this under Mit- Vorverlagerung the control lever 87, whereby over the steering lever 86, a tilting of the rocker element 56 is effected in the position shown in FIG. 15 and FIG. 16.
  • a return stroke on the stem 6 is required to move the wiper device 1 in the opposite direction of travel r ', this along with a correspondingly acting return P', which on the displaced pivot joint 9 and the control lever 87, the pivoting of the steering lever 86 beyond the vertical position entails.
  • the rocker element 56 correspondingly falls into the position according to the illustrations in FIGS. 17 and 18.
  • the wiping roller is associated with one end provided with a rotatably connected blocking wheel 60. This is reduced in diameter with respect to the outer diameter of the wiping roller 11, 12 and further axially to the facing end face of the wiping roller 11, 12 while leaving a gap. Facing away from the wiping roller 11, 12 projects beyond the blocking wheel 60 centrally of the axle body stub 38 of the wiping roller 11, 12th
  • This Achs stressesstummel 38 is - optionally as well as the exposed between the wiping roller and lock wheel Achs stressesabrough- in a slot guide 62 a.
  • This is formed from a chassis portion 70 and extends in the direction of travel r or r '.
  • the axle stub formed on the wiper roller end opposite the blocking wheel 60 likewise lies in a slot-shaped guide groove, so that the entire wiping roller 11 or 12 can be displaced relative to the device housing in the direction of travel r or r 'in the slot guides 62. This is followed by a linear dimension which corresponds approximately to 1 times to 1.5 times the diameter of the stub axle.
  • the chassis 16 has a perpendicular to the wiper roller axis x aligned wall 72. This is in the direction of travel r or r ', in which the wiping roller 11 and 12 macdre- hend, ie not a wiper edge forming blocks upstream in the direction of wiper roller axis x, this about half a radial dimension of the blocking wheel 60th Die nach down in the direction of the circumferential surface 71 of the blocking wheel 60 facing edge of the Chassiswandung 72 protrudes downward beyond a zenith of the blocking wheel 60 intersecting bottom parallel out.
  • the wiper roller 11 and 12 in the illustrations of FIGS.
  • FIG. 22 shows an exemplary solution for segmental further rotation of the wiping roller 11, 12, optionally in a raised position of the roller.
  • the direction of travel of the device 1 is detected by a freely revolving impeller 64, which contacts the floor 10 to be cleaned, whose impeller axis is arranged parallel to the surface of the wiping roller axis x.
  • the impeller 64 carries a parallel to the impeller axis aligned and coaxi- ally arranged to this Ausgurzapfen 65. This serves for cooperation with a chassis wherten held lever 66th
  • the lever 66 is supported in the illustrated embodiment tiltably about a parallel to the wiper roller axis x aligned axis on a carriage 73.
  • the carriage movement is directed in the direction of travel r or r '.
  • the carriage 73 interacts with a slide guide 74 fixed on the chassis side, whereby the slide 73 and hereof the lever 66 is loaded into a basic position by means of a compression spring 75 acting on the slide 73 in the slide guide 74.
  • the lever 66 is held about the middle of its longitudinal extension considered in the direction of travel tiltably on the carriage 73.
  • the in the direction of action of the compression spring 75 facing end of the lever 66 is formed as a driving shoulder 76. In the basic position, as shown in FIG. 22, this protrudes into the circular path of movement of the release pin 65.
  • That the driving shoulder 76 facing away from the front end of the lever 66 is provided with a in the illustrated embodiment, down in the direction of the floor to be cared 10 driving projection 67. This is tooth-shaped in cross-section. This end portion of the lever 66 is loaded by a top-acting, provided between the lever 66 and an associated carriage ceiling compression spring 77.
  • the driving projection 67 cooperates with the toothing 78 of a toothed wheel 68.
  • This gear 68 in turn meshes with a driven gear 79 of reduced diameter. This is rotatably connected to the wiping roller 11 and 12 respectively.
  • the pre-displaced position of the lever 66 is secured by the Aus Wegzapfen 65 after overrunning the driving shoulder 76.
  • a pawl 69 is provided. This is likewise rotationally supported on the chassis side, with an axis of rotation which is aligned parallel to the tilt axis of the lever 66.
  • the pawl 69 has a fork-shaped locking portion 80. This fork-shaped locking portion 80 accommodates in the pre-displaced lever position a locking shoulder 81 formed by a deflecting portion of the lever 66 in the region of the driving shoulder 76.
  • a simultaneously formed on the pawl 69 release lever 82 is overrun in this blocking position by the further moving on a circular line Ausschreibzapfen 65 without effect on the lever 66.
  • the release pin 65 strikes the facing inner edge of the release lever 82, which initially causes over the locking portion 80 of the pawl 69 tilting of the lever about the tilt axis by depression of the locking shoulder area. Accordingly, the opposite end is raised with the driving projection 67 against the force of the compression spring 77, to cancel the toothing between gear 68 and driving projection 67.
  • the force acting in the direction of travel spring 75 also pushes the carriage 73 with the lever 66 back to the starting position, whereby, releasing the pawl 69, the lever 66 or its entrainment projection 67 drops to engage in the next tooth gap of the toothed wheel 68 due to the further rotationally displacing disengaging pin 65.
  • the displacement of the wiping roller 11 or 12 at the next change in direction by the predetermined angular distance according to the distance between two adjacent tooth gaps of the gear 68 is prepared taking into account the achieved by the gears 68 and 79 translation.
  • the described household floor cleaning device 1 is designed for sucking and misting wiping hard surfaces of all kinds, so in particular tile floors, laminate or parquet floors, but also stoneware floors. The cleaning of inclined surface up to vertical surfaces is possible lent.
  • the dampening process is always preceded by a suction, in particular for receiving coarse dirt particles to fine dust.

Landscapes

  • Cleaning In General (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Abstract

La présente invention concerne un appareil (1) électroménager de nettoyage du sol mobile comprenant un rouleau mouilleur (11), l'appareil (1) pouvant en général être déplacé dans deux sens de déplacement (r, r') opposés. Pour apporter des améliorations à un tel appareil électro-ménager de nettoyage du sol, pour permettre l'obtention de résultats de nettoyage escomptés, l'appareil comprend deux rouleaux mouilleurs (11, 12) espacés entre eux dans le sens de déplacement (r) qui peuvent tous deux tourner, et dont au moins l'un se bloque néanmoins tout d'abord dans un sens de déplacement (r, r') de l'appareil (1).
PCT/EP2007/062552 2006-11-23 2007-11-20 Appareil électro-ménager de nettoyage de sol humide mobile et dispositif d'humidification pour rouleau mouilleur WO2008061974A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07822729.5A EP2063755B1 (fr) 2006-11-23 2007-11-20 Appareil électro-ménager de nettoyage de sol humide mobile et dispositif d'humidification pour rouleau mouilleur

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE102006055674.7 2006-11-23
DE102006055674 2006-11-23
DE102007008836 2007-02-23
DE102007008836.3 2007-02-23
DE102007054500A DE102007054500A1 (de) 2006-11-23 2007-11-13 Verfahrbares Haushalts-Bodenreinigungsgerät sowie Befeuchtungseinrichtung für eine Wischwalze
DE102007054500.4 2007-11-13

Publications (2)

Publication Number Publication Date
WO2008061974A2 true WO2008061974A2 (fr) 2008-05-29
WO2008061974A3 WO2008061974A3 (fr) 2009-01-22

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EP (1) EP2063755B1 (fr)
DE (1) DE102007054500A1 (fr)
TW (1) TW200840535A (fr)
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DE102011051238B4 (de) * 2011-06-20 2014-03-27 Kokinetics Gmbh Verstellmechanismus zum Verstellen eines Verstellgetriebes
CN103961035A (zh) * 2013-01-29 2014-08-06 昆山尚达智机械有限公司 一种带有喷水装置的扫地机
US20220110500A1 (en) * 2019-01-30 2022-04-14 Midea Robozone Technology Co.,Ltd. Cleaning robot, control method, and storage medium
US11324374B2 (en) * 2013-01-31 2022-05-10 Samsung Electronics Co., Ltd. Robot cleaner and control method thereof
CN114668336A (zh) * 2020-12-24 2022-06-28 石家庄清流科技有限公司 一种双清洁辊扫拖一体机器人及冲洗基座

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DE102021134463A1 (de) 2021-12-23 2023-07-13 Alfred Kärcher SE & Co. KG Flächenreinigungsmaschine mit gekrümmtem Abstreifelement
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WO2023152163A1 (fr) 2022-02-08 2023-08-17 Alfred Kärcher SE & Co. KG Dispositif de nettoyage de plancher avec unité de palier pivotant à butée
DE202022101312U1 (de) 2022-02-08 2022-06-20 Alfred Kärcher SE & Co. KG Bodenreinigungsgerät mit Kassette
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DE102022102924A1 (de) 2022-02-08 2023-08-10 Alfred Kärcher SE & Co. KG Bodenreinigungsgerät mit beweglichem Abstreifelement
DE102022102937A1 (de) 2022-02-08 2023-08-10 Alfred Kärcher SE & Co. KG Bodenreinigungsgerät mit Schmutzfluid-Tank
DE202022101314U1 (de) 2022-02-08 2022-06-20 Alfred Kärcher SE & Co. KG Bodenreinigungsgerät mit Schmutzfluid-Tank
DE202022101313U1 (de) 2022-02-08 2022-06-20 Alfred Kärcher SE & Co. KG Bodenreinigungsgerät mit beweglichem Abstreifelement
DE102022124120A1 (de) 2022-09-20 2024-03-21 Alfred Kärcher SE & Co. KG Bodenreinigungsgerät mit Becken und Verfahren zum Betreiben eines Bodenreinigungsgeräts

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TW200840535A (en) 2008-10-16
WO2008061974A3 (fr) 2009-01-22

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