EP4144273B1 - Add-on component for a floor cleaning device and floor cleaning device - Google Patents

Add-on component for a floor cleaning device and floor cleaning device Download PDF

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Publication number
EP4144273B1
EP4144273B1 EP22192485.5A EP22192485A EP4144273B1 EP 4144273 B1 EP4144273 B1 EP 4144273B1 EP 22192485 A EP22192485 A EP 22192485A EP 4144273 B1 EP4144273 B1 EP 4144273B1
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EP
European Patent Office
Prior art keywords
structural part
suction
suction nozzle
cleaning device
supplementary structural
Prior art date
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Application number
EP22192485.5A
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German (de)
French (fr)
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EP4144273A1 (en
Inventor
Thomas Diehl
Thomas Rolinger
Dieter Brand
Dr. Sandra DIEHL
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.)
Leifheit AG
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Leifheit AG
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Publication of EP4144273A1 publication Critical patent/EP4144273A1/en
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    • 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
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools

Definitions

  • the invention relates to an additional component for a floor cleaning device designed as a brushing wet/dry vacuum device, in particular for a wet/dry vacuum device, according to the preamble of claim 1 and a floor cleaning device according to the preamble of claim 13.
  • the additional component is intended for floor cleaning devices that have a suction nozzle with a motor-driven cleaning brush arranged therein, which rotates about an axis of rotation parallel to the floor.
  • these devices have a suction unit arranged in a device housing, the suction nozzle in flow connection with the suction unit and a dirty liquid tank for receiving dirty liquid that is separated from a sucked-in stream of suction material.
  • the dirty liquid tank is in flow connection with the suction unit via an air outlet of a dirty liquid tank connection and preferably has a float for monitoring the fill level and/or for reducing the power consumption or for switching off the suction unit.
  • a generic additional component that is intended for a floor cleaning device designed as a vacuum cleaner with a steam cleaning function is from the EP 1 027 855 A2 known.
  • This floor cleaning device is designed as a combined suction and steam cleaning device. It has a suction nozzle which, like a conventional vacuum cleaner, has a suction slot that is surrounded by a circumferential brush with bristles that can be placed against the floor. There are steam outlet openings behind the ensemble slot.
  • the additional component is attached to the suction nozzle in order to be able to wipe the floor like a mop.
  • the suction/brush housing of the suction nozzle has projections onto which corresponding receptacles of the additional component can be pushed in order to lock the additional component with the underside of the suction nozzle.
  • suction nozzles of other floor cleaning devices also have similar disadvantages, for example the suction nozzles of vacuum cleaners.
  • An additional component for the suction nozzle of a vacuum cleaner is from the JP 2009 119 025 A2 known. This additional component consists of individual pads that are clamped into slots on the underside of the suction nozzle between the suction inlets.
  • the disadvantage of this additional component is that, on the one hand, it can only cover a small area between the individual suction openings and, on the other hand, receiving slots must be provided on the side of the suction nozzle, which are adapted to the locking connection of the additional component.
  • the user has to clip the relatively small components by hand onto the underside of the suction nozzle in a complicated process.
  • the US 2009077761 A again shows a sweepings holder for a mechanical sweeping device that has a rotating brush, with side brushes being provided on the underside of the brush housing, although fixed and not removable, on the side of the rotating brush.
  • This solution also allows the side areas to be cleaned, it requires a factory design of the brush housing.
  • All known additional components therefore have the disadvantage that the brush housing of the floor nozzle must have fastening means provided at the factory, via which the additional component is attached to the floor nozzle. Solutions where this is not necessary are shown JP 2003 265 374 A2 and the JP 2006 212 201 A2 . In these two configurations of an additional component, the additional component is attached to the floor nozzle via Velcro straps that are firmly attached to a cleaning pad.
  • this solution can be easily retrofitted, it has the disadvantage that the user also has to attach the Velcro connections with comparative effort. It is also not possible to easily pick up the additional component if necessary.
  • Additional components are from the US 8,468,633 B2 , the WO 2020/249 248 A1 , the DE 20 2013 006 517 U1 , the KR 2009 0006936 , the US 6,921,438 B2 and the EP 2 014 212 A1 known.
  • the object of the invention is therefore to create an additional component for expanding the cleaning effect and functionality of a floor cleaning device that is easy to assemble and disassemble. Another task is to have a particular to create a floor cleaning device designed as a stick device, which can easily be expanded with an additional component.
  • the new additional component is characterized in particular by the fact that the user can simply place the suction nozzle from above onto the additional component, which, by inserting the suction nozzle from above, connects to the suction nozzle to such an extent that it can fulfill its essential function.
  • the additional component itself consists of a support body which is connected to a frame or is designed as a frame, to which in turn at least one drying and/or cleaning covering can be attached or is attached in such a way that it faces the floor surface or a side surface to be cleaned is.
  • This essential function of the additional component is, on the one hand, that the rotating brush can continue to maintain the necessary ground contact, particularly in conjunction with brushing devices.
  • the further function is that the additional component is to be moved by the suction nozzle, which is moved reciprocally forward and back by the user. It is not important that the additional component is absolutely firmly connected to the suction nozzle. It can certainly be a connection with play, as long as a passage window remains permeable for the contact of the brush or the suction mouth with the floor.
  • abutment edges which enable the movement of the additional component together with the suction nozzle to be coupled in the essential directions and are designed in such a way that when the suction nozzle is inserted obliquely from above or vertically from above, corresponding edges of the Suction nozzle can be reached behind.
  • side guides are provided to prevent the additional component from slipping sideways from the suction nozzle.
  • the edges to be gripped behind can be any housing edges or projections.
  • the side guides can of course also clamp the suction/brush housing of the suction nozzle laterally.
  • the additional component can have domes or flat wall areas that project vertically or obliquely upward, cylindrical or otherwise shaped in cross-section and which engage in areas of the underside of the suction nozzle. These areas can be, for example, the opening of the suction nozzle or the opening in which a brush is stored.
  • a significant advantage of the solution according to the invention is that the user can simply connect the suction device to the additional component and remove it from it again without having to bend down or without having to engage or release locking connections.
  • insertion from above is therefore provided without the additional component locking into the suction/brush housing of the suction nozzle or another component of the cleaning device.
  • This has the particular advantage that the user can detach the additional component from the suction nozzle by simply lifting the device and continue to use the device without the additional component.
  • the additional component preferably has at least one drying area or cleaning area or a combination of both functions.
  • the task of the additional component is to either provide an additional cleaning effect, especially in areas where, for example, the suction effect is too low or a brush cannot be active due to design features, and in combination with wet/dry vacuum devices, if necessary, also to provide improved drying guarantee. Drying can be improved by simply sucking up liquid residues behind the suction mouth. Alternatively, the liquid tension of drops can be influenced by mechanical action, so that instead of a drop-shaped layer of water behind the suction mouth, a smooth liquid film is created that can dry without leaving any residue without leaving water stains.
  • the cleaning surface can be made of any material. Sponges of all kinds, felt coverings, leather and imitation leather, textile fabrics and knitted fabrics as well as plush are available here. Ideally, the cleaning surface is naturally absorbent so that it can absorb any remaining cleaning fluid.
  • the fiber lengths of which are, for example, 5 mm, preferably 8 mm or even more than 10 mm. Even longer pile threads, for example with a length of 0.04 m or 0.1 m, can be used.
  • the cleaning covering can also protrude laterally over the support body and the frame, so that when it comes into contact with a side surface, in particular a skirting board or another, the surface protruding at right angles or obliquely upwards from the floor to be cleaned is dammed up or pushed up, so that a This results in a cleaning surface that is raised to the side.
  • the additional component can take on cleaning tasks to the right and left of the suction nozzle or brush.
  • the additional component has edge elements that protrude laterally upwards and can be used, for example, to clean skirting boards and other vertical surfaces. These edge elements can be hingedly connected to the support body of the additional component. This will then preferably be designed in such a way that the edge elements either form a large-area cleaning element for the floor in a plane with the underside of the additional component or, when folded up by 90°, represent an additional edge cleaning element.
  • drying and/or cleaning covering can be a continuous covering covering the entire underside and possibly also the side cleaning elements. It can also be integrally connected to the carrier body of the additional component.
  • the drying and/or cleaning coating can be applied to a support body made of plastic as part of a shaping process, for example by flocking.
  • the drying and/or cleaning covering can also be attached to the frame of the carrier body using Velcro fasteners, clamp fasteners or similar fasteners. Furthermore, it can be designed as a pocket that can be attached to the carrier body of the additional component or into which the frame can be inserted can be. Finally, several drying and/or cleaning coverings can also be used, which can also have different properties. A higher suction effect may be desired in the area behind the brush or the suction mouth. Here the drying and/or cleaning covering will then have a higher absorbency. The area on the sides, on the other hand, may have more of a dirt-removing effect. An area possibly provided in front of the brush can also be designed as a pre-cleaning element, so that a more scratching effect can be preferred here, for example. Ultimately, this depends on the area of application of the respective cleaning device.
  • locking connections can also be provided, which automatically lock when the suction/brush housing of the suction nozzle is inserted into the carrier body of the additional component.
  • a pairing of locking edges is provided at suitable positions.
  • a particularly preferred embodiment uses a front area of the carrier body that projects vertically upwards and is angled towards the rear area, under which a front edge of the suction nozzle can be pushed. This then forms the front catch.
  • the rear locking is then implemented on the back of the suction nozzle.
  • This can preferably also include, for example, a locking edge which is provided on a foldable handle of the cleaning device.
  • the inclination of the handle of the cleaning device can then be used to release the above-mentioned locking connection.
  • moving the handle into an extreme position or raising the handle into a position perpendicular to the suction nozzle as a storage position can move the locking edges away from each other and thus release the locking connection.
  • This has the advantage that the user You also don't have to bend down to remove the additional component from the suction nozzle.
  • the same can also be done in the case of a frictional connection between the additional component and the suction nozzle as an alternative to the snap-in connection.
  • FIG 1 an additional component according to the invention is shown in connection with a floor cleaning device designed as a wet/dry vacuum device 1.
  • the Figures 2 to 10 show the same additional component in different views.
  • the wet/dry vacuum device 1 is designed here as a so-called handle device, i.e. it has a handle 5, at the upper end of which a handle 4 is provided, via which the user can switch on and guide the wet/dry vacuum device 1.
  • a device housing 2 is provided, in which a dirty liquid tank 7 is removable.
  • the wet/dry vacuum device 1 shown here is not just a pure suction device, but is designed as a combination device for cleaning using a brush and then vacuuming hard surfaces. For the cleaning function, it has a fresh water tank 6 in which fresh water or cleaning liquid is stored for supply to an application device, which is arranged in the front functional area in addition to the lower suction nozzle 3.
  • the additional component that can be or is arranged under the suction nozzle 3.
  • the additional component consists of a support body 8, which is essentially formed by a frame 11. This frame 11 has a flat underside that does not interfere with the cleaning function of the floor nozzle and the brush arranged therein.
  • the frame 11 is provided with retaining edges that project upwards for connection to the floor nozzle 3. These are, for example, the fastening means 10, which can be seen in the left and right areas of the frame 11. These are two examples of differently shaped wall areas that protrude from bottom to top. They engage in areas of the underside of the suction nozzle 3 and thus ensure that the additional component is dragged along when the suction nozzle 3 moves back and forth.
  • the frame 11 of the additional component is again U-shaped, so that a passage opening remains free in the front area, through which the suction mouth or a brush of the suction nozzle 3 can be in effective contact with the floor to be cleaned.
  • the frame 11 can also be designed as a circumferential, closed frame 11, which then has a window as a passage opening at a suitable location.
  • the frame 11 has cleaning elements 9 that are directed vertically upwards on its sides. These side surfaces are used to be able to clean vertical surfaces of the room, such as skirting boards or edges of furniture, in one go. This is for example in the view from below, which is in Figure 3 is shown. It can be seen here that the brush of the cleaning device must maintain a certain distance from the edge areas due to its design. These are now also cleaned by the additional component according to the invention via lower cleaning pads. Like from the Figures 1 and 2 and especially from the Figures 9 and 10 As can be seen, not only the horizontal floor area in the corners and edges of the room is cleaned, but also vertical surfaces, such as baseboards, can be cleaned through the vertical surfaces of the cleaning elements 9.
  • the additional component shown is guided exclusively over the holding elements 10, which cause both lateral guidance and a dragging movement in the main directions of movement of the suction nozzle 3 (back and forth).
  • the particular advantage of this solution is that the user can simply connect the additional component to the suction nozzle 3 from above by placing it on it. No additional fastening movements or measures are required. In the opposite case, this also allows the additional component to be detached from the suction nozzle 3 by simply lifting the cleaning device with the suction nozzle 3.
  • the drying and/or cleaning covering is shown schematically as a thin covering which is glued onto the frame 11 and the edge elements 9.
  • This is only to be seen as an example; alternatively, other fastenings or pocket-shaped coverings can also be used.
  • the additional carrier completely out of the drying and/or cleaning material from a correspondingly dimensionally stable felt or another cleaning material. This can also be used, especially in conjunction with vacuum cleaners, as a dry-cleaning covering and, for example, have an antistatic effect to absorb dust.
  • the shape of the frame 11 is best from the Figures 4 and 5 to recognize.
  • an area with a width A 1 in the edge area can be additionally covered by the additional component.
  • the area between the outer end of the suction nozzle 3 and the outer edge of the brush with a width A 2 is also covered by the additional component, here in the rear area behind the brush. In this way, the component allows the cleaning areas to be significantly increased and avoids leaving uncleaned surfaces behind.
  • FIG 11 a further embodiment of the additional component is shown.
  • This additional component has a ramp-shaped design of the frame 11.
  • the user can simply move the cleaning device with the suction nozzle 3 in a backwards direction onto the additional component. To prevent it from slipping, he can fix it with his foot.
  • the additional component is locked laterally with the suction/brush housing 2 of the suction nozzle 3.
  • the user can step on the rear area of the additional component and simply move the cleaning device forward.

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  • Nozzles For Electric Vacuum Cleaners (AREA)

Description

Die Erfindung betrifft ein Zusatzbauteil für ein als bürstendes Nass-/Trockensauggerät ausgebildetes Bodenreinigungsgerät, insbesondere für ein Nass-/Trockensauggerät, nach dem Oberbegriff des Anspruchs 1 und ein Bodenreinigungsgerät nach dem Oberbegriff des Anspruchs 13.The invention relates to an additional component for a floor cleaning device designed as a brushing wet/dry vacuum device, in particular for a wet/dry vacuum device, according to the preamble of claim 1 and a floor cleaning device according to the preamble of claim 13.

Das Zusatzbauteil ist für Bodenreinigungsgeräte vorgesehen, die eine Saugdüse mit einer darin angeordneten, motorisch angetriebenen Reinigungsbürste aufweisen, die sich um eine zum Boden parallele Drehachse dreht. Diese Geräte weisen neben der Bürste ein, in einem Gerätegehäuse angeordnetes Saugaggregat, die mit dem Saugaggregat in Strömungsverbindung stehende Saugdüse und einen Schmutzflüssigkeitstank zur Aufnahme von Schmutzflüssigkeit, die von einem angesaugten Sauggutstrom abgeschieden ist, auf. Der Schmutzflüssigkeitstank steht über einen Luftauslass eines Schmutzflüssigkeitstankanschlusses mit dem Saugaggregat in Strömungsverbindung und weist bevorzugt einen Schwimmer zur Überwachung des Füllstandes und/oder zum Verringern der Leistungsaufnahme oder zum Abschalten des Saugaggregates.The additional component is intended for floor cleaning devices that have a suction nozzle with a motor-driven cleaning brush arranged therein, which rotates about an axis of rotation parallel to the floor. In addition to the brush, these devices have a suction unit arranged in a device housing, the suction nozzle in flow connection with the suction unit and a dirty liquid tank for receiving dirty liquid that is separated from a sucked-in stream of suction material. The dirty liquid tank is in flow connection with the suction unit via an air outlet of a dirty liquid tank connection and preferably has a float for monitoring the fill level and/or for reducing the power consumption or for switching off the suction unit.

Ein gattungsgemäßes Zusatzbauteil, dass für ein als Staubsauger mit Dampfreinigungsfunktion ausgebildetes Bodenreinigungsgerät vorgesehen ist, ist aus der EP 1 027 855 A2 bekannt. Dieses Bodenreinigungsgerät ist als kombiniertes Saug- und Dampfreinigungsgerät ausgebildet. Es weist eine Saugdüse auf, die wie ein herkömmlicher Staubsauger einen Ansaugschlitz besitzt, der von einer umlaufenden Bürste mit gegen den Boden an stellbaren Borsten umgeben ist. Hinter dem Ensembleschlitz sind Auslassöffnungen für Dampf vorgesehen. Das Zusatzbauteil wird an die Saugdüse angesteckt, um nach der Art eines Mopps den Boden wischen zu können. Hierzu weist das Saug-/Bürstengehäuse der Saugdüse Vorsprünge auf, auf die korrespondierende Aufnahmen des Zusatzbauteiles aufgeschoben werden können um das Zusatzbauteil mit der Unterseite der Saugdüse zu verrasten.A generic additional component that is intended for a floor cleaning device designed as a vacuum cleaner with a steam cleaning function is from the EP 1 027 855 A2 known. This floor cleaning device is designed as a combined suction and steam cleaning device. It has a suction nozzle which, like a conventional vacuum cleaner, has a suction slot that is surrounded by a circumferential brush with bristles that can be placed against the floor. There are steam outlet openings behind the ensemble slot. The additional component is attached to the suction nozzle in order to be able to wipe the floor like a mop. For this purpose, the suction/brush housing of the suction nozzle has projections onto which corresponding receptacles of the additional component can be pushed in order to lock the additional component with the underside of the suction nozzle.

Eine ähnliche Lösung für die Saugdüse eines klassischen Bodenstaubsaugers, bei der ein Zusatzbauteil in Form eines formstabilen Reinigungspads über haltende Haken auf die Außenseite der Saugdüse aufgesteckt werden kann, ist aus der US 2007/0033767A1 bekannt.A similar solution for the suction nozzle of a classic canister vacuum cleaner, in which an additional component in the form of a dimensionally stable cleaning pad can be attached to the outside of the suction nozzle via holding hooks, is from the US 2007/0033767A1 known.

Die beiden oben beschriebenen Lösungen weisen beide den Nachteil auf, dass sie zum einen nur die Unterseite des Saug-/Bürstengehäuses der Saugdüse abdecken können und somit zwar eine verbesserte Wischfunktion bereitstellen, aber nicht in der Lage sind, vertikale Randflächen des Bodens, insbesondere Fußleisten, zu reinigen. Ein weiterer Nachteil besteht darin, dass die Befestigung des Zusatzbauteils mit der Saugdüse durch den Benutzer durch Lösen der Rastverbindung von Hand gelöst werden muss. Ferner müssen sie recht aufwendig auf das Saug-/Bürstengehäuse der Saugdüse aufgesteckt werden und schränken die Saugfunktion im Falle der EP 1 027 855 A2 durch die bereichsweise erfolgende Abdeckung der Schlitzdüse ein.The two solutions described above both have the disadvantage that, on the one hand, they can only cover the underside of the suction/brush housing of the suction nozzle and thus provide an improved wiping function, but are not able to clean vertical edge surfaces of the floor, in particular skirting boards. to clean. Another disadvantage is that the attachment of the additional component with the suction nozzle must be released by the user by hand by loosening the locking connection. Furthermore, they have to be attached to the suction/brush housing of the suction nozzle with considerable effort and limit the suction function in the case of EP 1 027 855 A2 by covering the slot nozzle in certain areas.

Weiterhin ist aus der US 2009/0094780 A1 ein ähnliches Gerät bekannt, mit dem der Randbereich, insbesondere dann, wenn in der Nähe von Fußleisten gereinigt werden soll, nicht mit hinreichender Gründlichkeit gereinigt werden kann. Dies liegt daran, dass die Bürste seitlich gelagert ist, so dass sich zwangsläufig im Bereich der Saugdüse ein Abschnitt ergibt, der von der um eine horizontale Achse drehenden Bürste nicht abgedeckt werden kann.Furthermore, from the US 2009/0094780 A1 A similar device is known with which the edge area cannot be cleaned with sufficient thoroughness, especially when cleaning is to be carried out near skirting boards. This is because the brush is mounted laterally, so that there is inevitably a section in the area of the suction nozzle that cannot be covered by the brush rotating about a horizontal axis.

Ähnliche Nachteile weisen aber auch die Saugdüsen von anderen Bodenreinigungsgeräten auf, zum Beispiel die Saugdüsen von Staubsaugern. Ein Zusatzbauteil für die Saugdüse eines Staubsaugers ist aus der JP 2009 119 025 A2 bekannt. Dieses Zusatzbauteil besteht aus einzelnen Pads, die in Schlitze auf der Unterseite der Saugdüse zwischen die Saugeinlässe geklemmt werden. Der Nachteil dieses Zusatzbauteils besteht darin, dass es zum einen nur einen kleinen Bereich zwischen den einzelnen Saugöffnungen abdecken kann und zum anderen auf Seiten der Saugdüse Aufnahmeschlitze vorgesehen sein müssen, die an die Rastverbindung des Zusatzbauteils angepasst sind. Ferner muss der Benutzer die relativ kleinen Bauteile von Hand in einem komplizierten Verfahren an die Unterseite der Saugdüse anklipsen.However, the suction nozzles of other floor cleaning devices also have similar disadvantages, for example the suction nozzles of vacuum cleaners. An additional component for the suction nozzle of a vacuum cleaner is from the JP 2009 119 025 A2 known. This additional component consists of individual pads that are clamped into slots on the underside of the suction nozzle between the suction inlets. The disadvantage of this additional component is that, on the one hand, it can only cover a small area between the individual suction openings and, on the other hand, receiving slots must be provided on the side of the suction nozzle, which are adapted to the locking connection of the additional component. Furthermore, the user has to clip the relatively small components by hand onto the underside of the suction nozzle in a complicated process.

Aus der CN 211 243 149 U ist wiederum ein Ansatz für die Saugdüse eines Nass-Trockenreinigers bekannt, der über einen Klemmbügel an die Saugdüse des Gerätes angeklemmt wird, wobei hierzu korrespondierende Befestigungsmittel an der Saugdüse vorhanden sind. Das Zusatzbauteil selbst besteht aus einer Platte, die hinter dem Saugmund auf dem Boden aufliegt und von der Saugdüse hinter sich hergeschleppt wird. Der Nachteil dieses bekannten Zusatzbauteil besteht darin, dass Befestigung mit auf Seiten der Saugdüse vorhanden sein müssen und dass die mechanische Verbindung über den Klemmbügel für den Benutzer recht aufwendig hergestellt werden muss. Aus diesem Grund sind ein schnelles Ansetzen und ein Ablegen des Zusatzbauteiles nicht möglich. Eine ähnliche Lösung zeigt die EP 3 595 501 A1 oder die EP 1 600 092 A2 . Weitere Lösungen mit fest an der Saugdüse bzw. dem Saug-/Bürstengehäuse der Saugdüse befestigten Zusatzbauteilen sind aus der EP 3 207 850 A1 , der CN 301997329 S , der JP 2003 135 348 A2 und der JP 3 070 795 U bekannt.From the CN 211 243 149 U In turn, an approach for the suction nozzle of a wet-dry cleaner is known, which is clamped to the suction nozzle of the device via a clamp, with corresponding fastening means on the suction nozzle available. The additional component itself consists of a plate that rests on the floor behind the suction mouth and is dragged behind it by the suction nozzle. The disadvantage of this known additional component is that fastening must be present on the side of the suction nozzle and that the mechanical connection via the clamping bracket has to be made in a very complex manner for the user. For this reason, it is not possible to quickly attach and remove the additional component. This shows a similar solution EP 3 595 501 A1 or the EP 1 600 092 A2 . Further solutions with additional components firmly attached to the suction nozzle or the suction/brush housing of the suction nozzle are available from the EP 3 207 850 A1 , the CN 301997329 S , the JP 2003 135 348 A2 and the JP 3 070 795 U known.

Die US 2009077761 A wiederum zeigt eine Kehrgutaufnahme für ein mechanisches Kehrgerät, das eine rotierende Bürste besitzt, wobei seitlich der rotierenden Bürste, allerdings fest und nicht abnehmbar, Seitenbürsten an der Unterseite des Bürstengehäuses vorgesehen sind. Diese Lösung erlaubt zwar das Reinigen auch der Seitenbereiche, setzt aber eine werksseitige Ausgestaltung des Bürstengehäuses voraus. Alle bekannten Zusatzbauteile weisen damit den Nachteil auf, dass das Bürstengehäuse der Bodendüse werkseitig vorgesehene Befestigungsmittel aufweisen muss, über die das Zusatzbauteil an die Bodendüse angebracht wird. Lösungen, bei denen dies nicht notwendig ist, zeigen die JP 2003 265 374 A2 und die JP 2006 212 201 A2 . Bei diesen beiden Ausgestaltungen eines Zusatzbauteils wird das Zusatzbauteil über Klettbänder, die fest an einem Reinigungs-Pad befestigt sind, an der Bodendüse befestigt. Diese Lösung lässt sich zwar leicht nachrüsten, hat aber den Nachteil, dass auch hier der Benutzer vergleichsweise aufwendig die Klett-Verbindungen befestigen muss. Ein leichtes Aufnehmen des Zusatzbauteiles im Bedarfsfall ist auch hiermit nicht möglich.The US 2009077761 A again shows a sweepings holder for a mechanical sweeping device that has a rotating brush, with side brushes being provided on the underside of the brush housing, although fixed and not removable, on the side of the rotating brush. Although this solution also allows the side areas to be cleaned, it requires a factory design of the brush housing. All known additional components therefore have the disadvantage that the brush housing of the floor nozzle must have fastening means provided at the factory, via which the additional component is attached to the floor nozzle. Solutions where this is not necessary are shown JP 2003 265 374 A2 and the JP 2006 212 201 A2 . In these two configurations of an additional component, the additional component is attached to the floor nozzle via Velcro straps that are firmly attached to a cleaning pad. Although this solution can be easily retrofitted, it has the disadvantage that the user also has to attach the Velcro connections with comparative effort. It is also not possible to easily pick up the additional component if necessary.

Zusatzbauteile sind aus der US 8 468 633 B2 , der WO 2020/249 248 A1 , der DE 20 2013 006 517 U1 , der KR 2009 0006936 , der US 6 921 438 B2 und der EP 2 014 212 A1 bekannt.Additional components are from the US 8,468,633 B2 , the WO 2020/249 248 A1 , the DE 20 2013 006 517 U1 , the KR 2009 0006936 , the US 6,921,438 B2 and the EP 2 014 212 A1 known.

Aufgabe der Erfindung ist es daher, ein Zusatzbauteil zur Erweiterung der Reinigungswirkung und Funktionalität eines Bodenreinigungsgerätes zu schaffen, dass leicht montier- und demontierbar ist. Eine weitere Aufgabe besteht darin, ein insbesondere als Stielgerät ausgebildetes Bodenreinigungsgerät zu schaffen, das leicht um ein Zusatzbauteil erweiterbar ist.The object of the invention is therefore to create an additional component for expanding the cleaning effect and functionality of a floor cleaning device that is easy to assemble and disassemble. Another task is to have a particular to create a floor cleaning device designed as a stick device, which can easily be expanded with an additional component.

Diese Aufgaben werden nach der Erfindung durch ein Zusatzbauteil nach Anspruch 1 und ein Bodenreinigungsgerät nach Anspruch 13 gelöst.These tasks are achieved according to the invention by an additional component according to claim 1 and a floor cleaning device according to claim 13.

Das neue Zusatzbauteil zeichnet sich insbesondere dadurch aus, dass der Benutzer die Saugdüse einfach von oben auf das Zusatzbauteil aufsetzen kann, das sich durch das Einsetzen der Saugdüse von oben soweit mit der Saugdüse verbindet, dass es seine wesentliche Funktion erfüllen kann. Das Zusatzbauteil selbst besteht aus einem Trägerkörper, der mit einem Rahmen verbunden ist oder als Rahmen ausgebildet ist, an dem wiederum wenigstens ein Trocknungs- und/oder Reinigungsbelag so befestigt werden kann bzw. befestigt ist, dass er der zur reinigenden Bodenfläche oder einer Seitenfläche zugewandt ist.The new additional component is characterized in particular by the fact that the user can simply place the suction nozzle from above onto the additional component, which, by inserting the suction nozzle from above, connects to the suction nozzle to such an extent that it can fulfill its essential function. The additional component itself consists of a support body which is connected to a frame or is designed as a frame, to which in turn at least one drying and/or cleaning covering can be attached or is attached in such a way that it faces the floor surface or a side surface to be cleaned is.

Diese wesentliche Funktion des Zusatzbauteils besteht zum einen darin, dass insbesondere in Verbindung mit bürstenden Geräten die rotierende Bürste weiterhin den notwendigen Bodenkontakt halten kann. Weiter besteht die Funktion darin, dass das Zusatzbauteil durch die vom Benutzer reziprok nach vorne und zurück bewegte Saugdüse mitbewegt werden soll. Dabei kommt es nicht darauf an, dass das Zusatzbauteil absolut fest mit der Saugdüse verbunden ist. Es kann durchaus eine spielbehaftete Verbindung sein, solange ein Durchlassfenster für den Kontakt der Bürste oder des Saugmundes mit dem Boden durchlässig bleibt.This essential function of the additional component is, on the one hand, that the rotating brush can continue to maintain the necessary ground contact, particularly in conjunction with brushing devices. The further function is that the additional component is to be moved by the suction nozzle, which is moved reciprocally forward and back by the user. It is not important that the additional component is absolutely firmly connected to the suction nozzle. It can certainly be a connection with play, as long as a passage window remains permeable for the contact of the brush or the suction mouth with the floor.

Erfindungsgemäß wird nun also erkannt, dass es ausreichend ist, Widerlagerkanten vorzusehen, die eine Kopplung der Bewegung des Zusatzbauteils zusammen mit der Saugdüse in die wesentlichen Richtungen ermöglichen und so ausgebildet sind, dass bei einer von schräg oben oder vertikal von oben eingesetzten Saugdüse entsprechende Kanten der Saugdüse hintergriffen werden. Zusätzlich sind Seitenführungen vorgesehen, die ein seitliches Abrutschen des Zusatzbauteils von der Saugdüse verhindern. Die zu hintergreifenden Kanten können beliebige Gehäusekanten oder Vorsprünge sein. Insbesondere die Seitenführungen können natürlich das Saug-/Bürstengehäuse der Saugdüse auch seitlich klammern.According to the invention, it is now recognized that it is sufficient to provide abutment edges which enable the movement of the additional component together with the suction nozzle to be coupled in the essential directions and are designed in such a way that when the suction nozzle is inserted obliquely from above or vertically from above, corresponding edges of the Suction nozzle can be reached behind. In addition, side guides are provided to prevent the additional component from slipping sideways from the suction nozzle. The edges to be gripped behind can be any housing edges or projections. In particular, the side guides can of course also clamp the suction/brush housing of the suction nozzle laterally.

Die für die Bewegung des Zusatzbauteils in Vorwärts- oder Rückwärtsrichtung zuständigen Paarungen von Widerlagerkanten können auch innerhalb des Saug-/Bürstengehäuses vorgesehen sein. So kann zum Beispiel das Zusatzbauteil vertikal oder schräg nach oben hervorspringende, zylindrische oder anderweitig im Querschnitt geformte Dome oder flache Wandungsbereiche aufweisen, die in Bereiche der Saugdüsenunterseite eingreifen. Diese Bereiche können zum Beispiel die Öffnung der Saugdüse oder die Öffnung, in der eine Bürste gelagert ist, sein.The pairings of abutment edges responsible for moving the additional component in the forward or backward direction can also be provided within the suction/brush housing. For example, the additional component can have domes or flat wall areas that project vertically or obliquely upward, cylindrical or otherwise shaped in cross-section and which engage in areas of the underside of the suction nozzle. These areas can be, for example, the opening of the suction nozzle or the opening in which a brush is stored.

Ein wesentlicher Vorteil besteht bei der erfindungsgemäßen Lösung darin, dass der Benutzer einfach das Sauggerät mit dem Zusatzbauteil verbinden und auch wieder von diesem entfernen kann, ohne sich bücken zu müssen oder ohne Rastverbindungen einrasten oder lösen zu müssen. Bei einer bevorzugten Ausgestaltung ist daher ein reines Einsetzen von oben vorgesehen, ohne dass das Zusatzbauteil dem Saug-/Bürstengehäuse der Saugdüse oder einem anderen Bauteil des Reinigungsgerätes verrastet. Dies hat den besonderen Vorteil, dass der Benutzer durch einfaches Anheben des Gerätes das Zusatzbauteil von der Saugdüse lösen kann und das Gerät ohne Zusatzbauteil weiterverwenden kann.A significant advantage of the solution according to the invention is that the user can simply connect the suction device to the additional component and remove it from it again without having to bend down or without having to engage or release locking connections. In a preferred embodiment, insertion from above is therefore provided without the additional component locking into the suction/brush housing of the suction nozzle or another component of the cleaning device. This has the particular advantage that the user can detach the additional component from the suction nozzle by simply lifting the device and continue to use the device without the additional component.

Das Zusatzbauteil weist bevorzugt zumindest einen Trocknungsbereich oder Reinigungsbereich oder eine Kombination beider Funktionen auf. Aufgabe des Zusatzbauteils ist es, entweder eine zusätzliche Reinigungswirkung, insbesondere in Bereichen, in denen zum Beispiel die Saugwirkung zu gering ist oder eine Bürste aufgrund konstruktiver Besonderheiten nicht aktiv sein kann, bereitzustellen und in Kombination mit Nass-/Trockensauggeräten gegebenenfalls auch eine verbesserte Trocknung zu gewährleisten. Die Verbesserung einer Trocknung kann durch reines Aufsaugen von Flüssigkeitsresten hinter dem Saugmund erfolgen. Alternativ kann auch durch eine mechanische Einwirkung die Flüssigkeitsspannung von Tropfen beeinflusst werden, sodass sich anstelle eines tropfenförmigen Wasserbelags hinter dem Saugmund ein glatter Flüssigkeitsfilm ergibt, der rückstandsfrei abtrocknen kann, ohne Wasserflecken zu hinterlassen.The additional component preferably has at least one drying area or cleaning area or a combination of both functions. The task of the additional component is to either provide an additional cleaning effect, especially in areas where, for example, the suction effect is too low or a brush cannot be active due to design features, and in combination with wet/dry vacuum devices, if necessary, also to provide improved drying guarantee. Drying can be improved by simply sucking up liquid residues behind the suction mouth. Alternatively, the liquid tension of drops can be influenced by mechanical action, so that instead of a drop-shaped layer of water behind the suction mouth, a smooth liquid film is created that can dry without leaving any residue without leaving water stains.

Der Reinigungsbelag kann aus beliebigem Material bestehen. Hier bieten sich Schwämme aller Art, Filzbeläge, Leder und Lederimitationen, Textilgewebe und -gewirke sowie Plüsch an. Idealerweise ist der Reinigungsbelag natürlich saugfähig, sodass er Reste von Reinigungsflüssigkeit aufnehmen kann. Zum Aufreißen von Wassertropfen bieten sich langflorige Materialien an, deren Faserlängen zum Beispiel 5 mm, bevorzugt 8 mm oder auch mehr als 10 mm betragen. Auch noch längere Polfäden, zum Beispiel mit einer Länge von 0,04 m oder 0,1 m, können eingesetzt werden. Der Reinigungsbelag kann auch über den Trägerkörper und den Rahmen seitlich herausragen, so dass der bei Kontakt mit einer Seitenfläche, insbesondere einer Fußleiste oder einer sonstigen, rechtwinklig oder schräg nach oben von dem zu reinigenden Boden ragenden Fläche aufgestaut oder hochgedrückt wird, so dass sich eine seitlich hochstehende Reinigungsfläche ergibt.The cleaning surface can be made of any material. Sponges of all kinds, felt coverings, leather and imitation leather, textile fabrics and knitted fabrics as well as plush are available here. Ideally, the cleaning surface is naturally absorbent so that it can absorb any remaining cleaning fluid. To tear open Long-pile materials are suitable for water drops, the fiber lengths of which are, for example, 5 mm, preferably 8 mm or even more than 10 mm. Even longer pile threads, for example with a length of 0.04 m or 0.1 m, can be used. The cleaning covering can also protrude laterally over the support body and the frame, so that when it comes into contact with a side surface, in particular a skirting board or another, the surface protruding at right angles or obliquely upwards from the floor to be cleaned is dammed up or pushed up, so that a This results in a cleaning surface that is raised to the side.

Das Zusatzbauteil kann zum einen rechts und links neben der Saugdüse oder der Bürste Reinigungsaufgaben übernehmen. Bei einer weiteren Ausgestaltung weist das Zusatzbauteil seitlich nach oben hervorspringende Randelemente auf, die zum Beispiel zum Reinigen von Fußleisten und anderen vertikalen Flächen genutzt werden können. Diese Randelemente können klappbar mit dem Trägerkörper des Zusatzbauteils verbunden sein. Bevorzugt wird dies dann so ausgebildet sein, dass die Randelemente entweder in einer Ebene mit der Unterseite des Zusatzbauteils ein großflächiges Reinigungselement für den Boden bilden oder, um 90° nach oben geklappt, ein zusätzliches Randreinigungselement darstellen.The additional component can take on cleaning tasks to the right and left of the suction nozzle or brush. In a further embodiment, the additional component has edge elements that protrude laterally upwards and can be used, for example, to clean skirting boards and other vertical surfaces. These edge elements can be hingedly connected to the support body of the additional component. This will then preferably be designed in such a way that the edge elements either form a large-area cleaning element for the floor in a plane with the underside of the additional component or, when folded up by 90°, represent an additional edge cleaning element.

Eine weitere Aufgabe kann in der mechanischen Reinigung sowohl der Randbereiche als auch des Bereiches hinter einer Bürste oder eines Saugmundes bestehen. Insbesondere dann, wenn die Gefahr besteht, dass Flüssigkeitsreste oder auch Staubreste nicht aufgesaugt werden, kann es sinnvoll sein, über das Zusatzbauteil solche störenden Reinigungsreste aufzunehmen oder zumindest abzuziehen. Der Trocknungs- und/oder Reinigungsbelag kann als durchgehender Belag die gesamte Unterseite und gegebenenfalls auch die seitlichen Reinigungselemente abdecken. Er kann auch integral mit dem Trägerkörper des Zusatzbauteils verbunden sein. So kann der Trocknungs- und/oder Reinigungsbelag zum Beispiel auf einen aus Kunststoff gefertigten Trägerkörper im Rahmen eines Formgebungsprozesses, zum Beispiel durch Beflocken, aufgebracht werden.Another task can be the mechanical cleaning of both the edge areas and the area behind a brush or a suction mouth. Particularly if there is a risk that liquid residues or even dust residues will not be vacuumed up, it can make sense to use the additional component to pick up or at least remove such disruptive cleaning residues. The drying and/or cleaning covering can be a continuous covering covering the entire underside and possibly also the side cleaning elements. It can also be integrally connected to the carrier body of the additional component. For example, the drying and/or cleaning coating can be applied to a support body made of plastic as part of a shaping process, for example by flocking.

Alternativ kann der Trocknungs- und/oder Reinigungsbelag auch über Klettverschlüsse, Klemmverschlüsse o. ä. Befestigungsmittel an dem Rahmen des Trägerkörpers befestigt werden. Ferner kann er als Tasche ausgebildet sein, die auf den Trägerkörper des Zusatzbauteils aufgesteckt werden kann bzw. in die der Rahmen eingeschoben werden kann. Schließlich können auch mehrere Trocknungs- und/oder Reinigungsbeläge verwendet werden, die auch unterschiedliche Eigenschaften aufweisen können. So wird im Bereich hinter der Bürste oder des Saugmunds möglicherweise eine höhere Saugwirkung gewünscht werden. Hier wird dann der Trocknungs- und/oder Reinigungsbelag eine höhere Saugfähigkeit aufweisen. Der Bereich an den Seiten kann dagegen möglicherweise eher eine schmutzlösende Wirkung aufweisen sollen. Ein eventuell vor der Bürste vorgesehener Bereich kann auch als Vorreinigungselement ausgebildet sein, so dass hier zum Beispiel eine eher kratzende Wirkung bevorzugt werden kann. Letztlich hängt dies vom Einsatzbereich des jeweiligen Reinigungsgerätes ab.Alternatively, the drying and/or cleaning covering can also be attached to the frame of the carrier body using Velcro fasteners, clamp fasteners or similar fasteners. Furthermore, it can be designed as a pocket that can be attached to the carrier body of the additional component or into which the frame can be inserted can be. Finally, several drying and/or cleaning coverings can also be used, which can also have different properties. A higher suction effect may be desired in the area behind the brush or the suction mouth. Here the drying and/or cleaning covering will then have a higher absorbency. The area on the sides, on the other hand, may have more of a dirt-removing effect. An area possibly provided in front of the brush can also be designed as a pre-cleaning element, so that a more scratching effect can be preferred here, for example. Ultimately, this depends on the area of application of the respective cleaning device.

Sofern ein leichtes Lösen durch einfaches Herausnehmen der Saugdüse aus dem Trägerkörper nicht gewünscht ist, sondern stattdessen eine festere Verbindung zwischen Zusatzbauteil und Saug-/Bürstengehäuse der Saugdüse gewünscht ist, beispielsweise um das Gerät beim Reinigen von Treppen von Stufe zu Stufe heben zu können, ohne dass sich das Zusatzbauteil löst, können auch Rastverbindungen vorgesehen sein, die beim Einsetzen des Saug-/Bürstengehäuses der Saugdüse in den Trägerkörper des Zusatzbauteils selbsttätig verrasten. Hierzu wird an geeigneten Positionen eine Paarung von Rastkanten vorgesehen.If easy loosening by simply removing the suction nozzle from the support body is not desired, but instead a stronger connection between the additional component and the suction/brush housing of the suction nozzle is desired, for example in order to be able to lift the device from step to step when cleaning stairs without To ensure that the additional component comes loose, locking connections can also be provided, which automatically lock when the suction/brush housing of the suction nozzle is inserted into the carrier body of the additional component. For this purpose, a pairing of locking edges is provided at suitable positions.

Eine besonders bevorzugte Ausgestaltung verwendet hierfür einen vorderen, vertikal nach oben hervorspringenden und in Richtung des hinteren Bereiches abgewinkelten Bereich des Trägerkörpers, unter den ein vorderer Rand der Saugdüse geschoben werden kann. Dies bildet dann die vordere Verrastung. Die hintere Verrastung wird in diesem Fall dann auf der Rückseite der Saugdüse realisiert. Bevorzugt kann dies zum Beispiel auch eine Rastkante umfassen, die an einem klappbaren Stiel des Reinigungsgerätes vorgesehen ist. Beim Einsetzen der Saugdüse in den Trägerkörper des Zusatzbauteils wird diese Verbindung dann selbsttätig hergestellt, in dem federnd gelagerte Rastelemente ineinandergreifen.A particularly preferred embodiment uses a front area of the carrier body that projects vertically upwards and is angled towards the rear area, under which a front edge of the suction nozzle can be pushed. This then forms the front catch. In this case, the rear locking is then implemented on the back of the suction nozzle. This can preferably also include, for example, a locking edge which is provided on a foldable handle of the cleaning device. When the suction nozzle is inserted into the carrier body of the additional component, this connection is then established automatically by spring-mounted locking elements interlocking.

Zum Lösen der oben genannten Rastverbindung kann dann die Neigung des Stiels des Reinigungsgerätes genutzt werden. So kann zum Beispiel die Bewegung des Stiels in eine extreme Position oder auch das Aufrichten des Stiels in eine Stellung rechtwinklig zur Saugdüse als Lagerstellung die Rastkanten voneinander wegbewegen und so die Rastverbindung lösen. Dies hat den Vorteil, dass der Benutzer sich ebenfalls nicht bücken muss, um das Zusatzbauteil von der Saugdüse abzunehmen. Alternativ kann natürlich auch die Möglichkeit bestehen, dass der Benutzer mit dem Fuß auf einen geeigneten Bereich des Zusatzbauteiles drückt und so die federnd gelagerten Rastelemente auseinander drücken kann. Gleiches kann auch im Falle einer reibschlüssigen Verbindung zwischen Zusatzbauteil und Saugdüse als Alternative zur Rastverbindung erfolgen.The inclination of the handle of the cleaning device can then be used to release the above-mentioned locking connection. For example, moving the handle into an extreme position or raising the handle into a position perpendicular to the suction nozzle as a storage position can move the locking edges away from each other and thus release the locking connection. This has the advantage that the user You also don't have to bend down to remove the additional component from the suction nozzle. Alternatively, there is of course also the possibility that the user presses his foot on a suitable area of the additional component and can thus push the resiliently mounted locking elements apart. The same can also be done in the case of a frictional connection between the additional component and the suction nozzle as an alternative to the snap-in connection.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele anhand der Zeichnungen.Further features and advantages of the invention result from the following description of preferred exemplary embodiments based on the drawings.

In den Zeichnungen zeigt:

Fig. 1
eine erste Ausgestaltung eines erfindungsgemäßen Bodenreinigungsgerätes mit Zusatzbauteil in einer dreidimensionalen Darstellung,
Fig. 2
das Zusatzbauteil aus Figur 1 mit der Saugdüse eines als Nass-/Trockensauggerät ausgebildeten Bodenreinigungsgerätes in einer vergrößerten Darstellung als Einzelheit "Z",
Fig. 3
die in den Figuren 1 und 2 dargestellte Ausgestaltung in einer Ansicht von unten bei Reinigung einer Raumecke,
Fig. 4
die Saugdüse mit Zusatzbauteil aus den Figuren 1 und 2 in einer vergrößerten Detailansicht von oben,
Fig. 5
die Saugdüse mit Zusatzbauteil aus Figur 4 in einer Ansicht von schräg unten,
Fig. 6
die in den Figuren 4 und 5 dargestellte Kombination aus Saugdüse und Zusatzbauteil in einer Seitenansicht,
Fig. 7
die in den Figuren 4 bis 6 dargestellte Kombination aus Saugdüse und Zusatzbauteil in einer Ansicht von unten,
Fig. 8
die in den Figuren 4 bis 7 dargestellte Kombination aus Saugdüse und Zusatzbauteil in einer Draufsicht,
Fig. 9
ein Bodenreinigungsgerät mit Zusatzbauteil mit seitlichen Reinigungselementen in einer Ansicht von vorne im Bereich einer Raumwand,
Fig. 10
den Bereich des Zusatzbauteils der Ausgestaltung nach Figur 9 in einer vergrößerten Detailansicht und
Fig. 11
eine weitere Ausgestaltung eines Zusatzbauteiles mit Bodendüse in einer dreidimensionalen Seitenansicht.
In the drawings shows:
Fig. 1
a first embodiment of a floor cleaning device according to the invention with an additional component in a three-dimensional representation,
Fig. 2
the additional component Figure 1 with the suction nozzle of a floor cleaning device designed as a wet/dry vacuum device in an enlarged view as a detail "Z",
Fig. 3
those in the Figures 1 and 2 illustrated embodiment in a view from below when cleaning a corner of the room,
Fig. 4
the suction nozzle with additional component from the Figures 1 and 2 in an enlarged detailed view from above,
Fig. 5
the suction nozzle with additional component Figure 4 in a view diagonally from below,
Fig. 6
those in the Figures 4 and 5 shown combination of suction nozzle and additional component in a side view,
Fig. 7
those in the Figures 4 to 6 shown combination of suction nozzle and additional component in a view from below,
Fig. 8
those in the Figures 4 to 7 shown combination of suction nozzle and additional component in a top view,
Fig. 9
a floor cleaning device with an additional component with side cleaning elements in a view from the front in the area of a room wall,
Fig. 10
the area of the additional component according to the design Figure 9 in an enlarged detailed view and
Fig. 11
a further embodiment of an additional component with a floor nozzle in a three-dimensional side view.

In Figur 1 ist ein erfindungsgemäßes Zusatzbauteil in Verbindung mit einem als Nass-/Trockensauggerät 1 ausgebildetem Bodenreinigungsgerät dargestellt. Die Figuren 2 bis 10 zeigen das gleiche Zusatzbauteil in jeweils anderen Ansichten.In Figure 1 an additional component according to the invention is shown in connection with a floor cleaning device designed as a wet/dry vacuum device 1. The Figures 2 to 10 show the same additional component in different views.

Das Nass-/Trockensauggerät 1 ist hier als sogenanntes Stielgerät ausgebildet, d.h. es weist einen Stiel 5 auf, an dessen oberen Ende ein Handgriff 4 vorgesehen ist, über den der Benutzer das Nass-/Trockensauggerät 1 einschalten und führen kann. Im unteren Bereich des Stiels 5 ist ein Gerätegehäuse 2 vorgesehen, in dem ein Schmutzflüssigkeitstank 7 herausnehmbar angeordnet ist. Das hier dargestellte Nass-/Trockensauggerät 1 ist nicht nur ein reines Sauggerät, sondern als Kombinationsgerät zum Reinigen über eine Bürste und anschließenden Saugen von harten Oberflächen ausgebildet. Für die Reinigungsfunktion weist es einen Frischwassertank 6 auf, in dem Frischwasser oder Reinigungsflüssigkeit für die Zuführung zu einer Auftragsvorrichtung, die zusätzlich zur unteren Saugdüse 3 im vorderen Funktionsbereich angeordnet ist, bevorratet ist.The wet/dry vacuum device 1 is designed here as a so-called handle device, i.e. it has a handle 5, at the upper end of which a handle 4 is provided, via which the user can switch on and guide the wet/dry vacuum device 1. In the lower area of the handle 5, a device housing 2 is provided, in which a dirty liquid tank 7 is removable. The wet/dry vacuum device 1 shown here is not just a pure suction device, but is designed as a combination device for cleaning using a brush and then vacuuming hard surfaces. For the cleaning function, it has a fresh water tank 6 in which fresh water or cleaning liquid is stored for supply to an application device, which is arranged in the front functional area in addition to the lower suction nozzle 3.

Wesentliches Merkmal der vorliegenden Erfindung ist hier das Zusatzbauteil, dass unter der Saugdüse 3 angeordnet werden kann bzw. angeordnet ist. Das Zusatzbauteil besteht aus einem Trägerkörper 8, der im Wesentlichen von einem Rahmen 11 gebildet ist. Dieser Rahmen 11 weist eine flache Unterseite auf, die die Reinigungsfunktion der Bodendüse und der darin angeordneten Bürste nicht stört.An essential feature of the present invention is the additional component that can be or is arranged under the suction nozzle 3. The additional component consists of a support body 8, which is essentially formed by a frame 11. This frame 11 has a flat underside that does not interfere with the cleaning function of the floor nozzle and the brush arranged therein.

Der Rahmen 11 ist zur Verbindung mit der Bodendüse 3 mit nach oben hervorspringenden Haltekanten versehen. Dies sind zum Beispiel die Befestigungsmittel 10, die im linken Bereich und rechten Bereich des Rahmens 11 zu erkennen sind. Es handelt sich hier um zwei beispielhaft andersartig geformte Wandbereiche, die von unten nach oben hervorspringen. Sie greifen in Bereiche der Unterseite der Saugdüse 3 ein und gewährleisten so, dass das Zusatzbauteil bei hin und her Bewegen der Saugdüse 3 mitgeschleppt wird.The frame 11 is provided with retaining edges that project upwards for connection to the floor nozzle 3. These are, for example, the fastening means 10, which can be seen in the left and right areas of the frame 11. These are two examples of differently shaped wall areas that protrude from bottom to top. They engage in areas of the underside of the suction nozzle 3 and thus ensure that the additional component is dragged along when the suction nozzle 3 moves back and forth.

Bei dieser beispielhaften Ausgestaltung ist der Rahmen 11 des Zusatzbauteils wiederum ist U-förmig ausgebildet, sodass im vorderen Bereich eine Durchlassöffnung frei bleibt, durch die der Saugmund oder eine Bürste der Saugdüse 3 in Wirkkontakt mit dem zu reinigenden Boden stehen kann. Alternativ kann natürlich der Rahmen 11 auch als umlaufender, geschlossener Rahmen 11 ausgebildet sein, der dann an geeigneter Stelle ein Fenster als Durchlassöffnung aufweist.In this exemplary embodiment, the frame 11 of the additional component is again U-shaped, so that a passage opening remains free in the front area, through which the suction mouth or a brush of the suction nozzle 3 can be in effective contact with the floor to be cleaned. Alternatively, of course, the frame 11 can also be designed as a circumferential, closed frame 11, which then has a window as a passage opening at a suitable location.

Der Rahmen 11 weist an seinen Seiten vertikal nach oben gerichtete Reinigungselemente 9 auf. Diese Seitenflächen dienen dazu, um vertikale Flächen des Raumes, beispielsweise Fußleisten oder Ränder von Möbelstücken ebenfalls in einem Zug mit reinigen zu können. Dies ist zum Beispiel in der Ansicht von unten, die in Figur 3 dargestellt ist, zu sehen. Hier ist zu erkennen, dass die Bürste des Reinigungsgerätes konstruktionsbedingt einen gewissen Abstand zu den Randbereichen einhalten muss. Diese werden nun durch das erfindungsgemäße Zusatzbauteil über untere Reinigungsbeläge ebenfalls mitgereinigt. Wie aus den Figuren 1 und 2 und insbesondere auch aus den Figuren 9 und 10 zu erkennen ist, wird nicht nur der horizontale Bodenbereich in den Ecken und Rändern des Raumes gereinigt, sondern durch die vertikalen Flächen der Reinigungselemente 9 können auch vertikale Flächen, wie z.B. Fußleisten, gereinigt werden.The frame 11 has cleaning elements 9 that are directed vertically upwards on its sides. These side surfaces are used to be able to clean vertical surfaces of the room, such as skirting boards or edges of furniture, in one go. This is for example in the view from below, which is in Figure 3 is shown. It can be seen here that the brush of the cleaning device must maintain a certain distance from the edge areas due to its design. These are now also cleaned by the additional component according to the invention via lower cleaning pads. Like from the Figures 1 and 2 and especially from the Figures 9 and 10 As can be seen, not only the horizontal floor area in the corners and edges of the room is cleaned, but also vertical surfaces, such as baseboards, can be cleaned through the vertical surfaces of the cleaning elements 9.

Das in den Figuren 1 bis 10 dargestellte Zusatzbauteil ist ausschließlich über die Halteelemente 10 geführt, die sowohl eine Seitenführung als auch eine Schleppbewegung in die Hauptbewegungsrichtungen der Saugdüse 3 (vor und zurück) bewirken. Der besondere Vorteil dieser Lösung besteht darin, dass der Benutzer das Zusatzbauteil einfach durch Aufsetzen der Saugdüse 3 von oben mit dieser koppeln kann. Zusätzliche Befestigungsbewegungen oder Maßnahmen sind nicht erforderlich. Dies erlaubt es im umgekehrten Fall auch durch einfaches Anheben des Reinigungsgerätes mit der Saugdüse 3 das Zusatzbauteil wieder von der Saugdüse 3 zu lösen.That in the Figures 1 to 10 The additional component shown is guided exclusively over the holding elements 10, which cause both lateral guidance and a dragging movement in the main directions of movement of the suction nozzle 3 (back and forth). The particular advantage of this solution is that the user can simply connect the additional component to the suction nozzle 3 from above by placing it on it. No additional fastening movements or measures are required. In the opposite case, this also allows the additional component to be detached from the suction nozzle 3 by simply lifting the cleaning device with the suction nozzle 3.

Im dargestellten Ausführungsbeispiel ist der Trocknungs- und/oder Reinigungsbelag schematisch als dünner Belag dargestellt, der auf den Rahmen 11 und die Randelemente 9 aufgeklebt ist. Dies ist nur als Beispiel anzusehen, alternativ können auch andere Befestigungen oder taschenförmige Beläge Verwendung finden. Ferner ist es natürlich möglich, aus einem entsprechend formstabilen Filz oder einem sonstigen Reinigungswerkstoff den Zusatzträger komplett aus dem Trocknungs- und/oder Reinigungsmaterial zu fertigen. Dieser kann auch, insbesondere in Verbindung mit Staubsaugern, als trockenreinigender Belag eingesetzt werden und zum Beispiel eine antistatische Wirkung zur Aufnahme von Staub aufweisen.In the exemplary embodiment shown, the drying and/or cleaning covering is shown schematically as a thin covering which is glued onto the frame 11 and the edge elements 9. This is only to be seen as an example; alternatively, other fastenings or pocket-shaped coverings can also be used. Furthermore, it is of course possible to make the additional carrier completely out of the drying and/or cleaning material from a correspondingly dimensionally stable felt or another cleaning material. This can also be used, especially in conjunction with vacuum cleaners, as a dry-cleaning covering and, for example, have an antistatic effect to absorb dust.

Die Form des Rahmens 11 ist am besten aus den Figuren 4 und 5 zu erkennen. In Figur 3 ist ferner zu erkennen, dass durch das Zusatzbauteil ein Bereich mit einer Breite A1 im Randbereich zusätzlich abgedeckt werden kann. Ferner wird der Bereich zwischen dem äußeren Ende der Saugdüse 3 und dem äußeren Rand der Bürste mit einer Breite A2 ebenfalls durch das Zusatzbauteil, hier im hinteren Bereich hinter der Bürste, abgedeckt. Auf diese Weise erlaubt es das Bauteil, die Reinigungsbereiche wesentlich zu vergrößern und vermeidet das Zurücklassen von nicht gereinigten Flächen.The shape of the frame 11 is best from the Figures 4 and 5 to recognize. In Figure 3 It can also be seen that an area with a width A 1 in the edge area can be additionally covered by the additional component. Furthermore, the area between the outer end of the suction nozzle 3 and the outer edge of the brush with a width A 2 is also covered by the additional component, here in the rear area behind the brush. In this way, the component allows the cleaning areas to be significantly increased and avoids leaving uncleaned surfaces behind.

In Figur 11 ist eine weitere Ausgestaltung des Zusatzbauteiles dargestellt. Dieses Zusatzbauteil weist eine rampenförmige Ausgestaltung des Rahmens 11 auf. Der Benutzer kann das Reinigungsgerät mit der Saugdüse 3 einfach in rückwärts gerichtete Richtung auf das Zusatzbauteil auffahren. Damit dieses nicht verrutscht, kann er es mit dem Fuß fixieren. Durch das Auffahren auf die Rampe wird das Zusatzbauteil seitlich mit dem Saug-/Bürstengehäuse 2 der Saugdüse 3 verrastet. Zum Lösen dieser Ausgestaltung kann der Benutzer wiederum auf den hinteren Bereich des Zusatzbauteils treten und das Reinigungsgerät einfach nach vorne fahren.In Figure 11 a further embodiment of the additional component is shown. This additional component has a ramp-shaped design of the frame 11. The user can simply move the cleaning device with the suction nozzle 3 in a backwards direction onto the additional component. To prevent it from slipping, he can fix it with his foot. By driving onto the ramp, the additional component is locked laterally with the suction/brush housing 2 of the suction nozzle 3. To solve this configuration, the user can step on the rear area of the additional component and simply move the cleaning device forward.

Auch bei dieser Ausgestaltung sind keine weiteren Vorkehrungen am Saug-/Bürstengehäuse 2 der Saugdüse 3 notwendig, um das Zusatzbauteil sicher mit der Saugdüse 3 zu verbinden. Anstelle der Rampe, auf die die Saugdüse 3 aufgefahren wird, kann natürlich auch ein entsprechend weiter nach hinten verlagerte Querbereich des Zusatzbauteils vorgesehen sein. Diesem Fall würde dann die gesamte Saugdüse 3 bis hin zu den Rollen in der Durchgangsöffnung angeordnet sein. Um einen entsprechenden Druck auf die Seitenflächen ausüben zu können, kann in diesem Fall die Saugdüse 3 seitlich leicht auf den nach vorne hervorstehenden Seitenarmen aufstehen, sodass die Saugdüse 3 über ihr Gewicht auch den vorderen Teil des Rahmens 11 auf die zu reinigende Bodenfläche drückt.In this embodiment too, no further precautions are necessary on the suction/brush housing 2 of the suction nozzle 3 in order to securely connect the additional component to the suction nozzle 3. Instead of the ramp onto which the suction nozzle 3 is moved, a transverse region of the additional component that is shifted further backwards can of course also be provided. In this case, the entire suction nozzle 3 up to the rollers would then be arranged in the through opening. In order to be able to exert appropriate pressure on the side surfaces, in this case the suction nozzle 3 can stand slightly laterally on the side arms that protrude forward, so that the suction nozzle 3 also uses its weight to press the front part of the frame 11 onto the floor surface to be cleaned.

Auch wenn alle Funktionen der genannten Bauteile in der Kombination sicherlich einen vorteilhaften Gesamtgegenstand definieren, können sie doch auch unabhängig voneinander verwendet werden. Ein selbstständiger Schutz für die einzelnen Merkmale der Unteransprüche sowie der hier beschriebenen Ausführungsformen gemäß den Abbildungen 1 bis 11 bleibt daher vorbehalten.Even if all the functions of the components mentioned certainly define an advantageous overall object when combined, they can also be used independently of one another. An independent protection for the individual features of the subclaims and the embodiments described here according to Figures 1 to 11 is therefore reserved.

Bezugszeichenliste:List of reference symbols:

11
Nass-/TrockensauggerätWet/dry vacuum cleaner
22
GerätegehäuseDevice housing
33
Saugdüsesuction nozzle
44
HandgriffHandle
55
Stielstalk
66
FrischwassertankFresh water tank
77
SchmutzflüssigkeitstankDirty liquid tank
88th
TrägerkörperCarrier body
99
Trocknungs- und/oder ReinigungsbelagDrying and/or cleaning covering
1010
BefestigungsmittelFasteners
1111
RahmenFrame
A1A1
Breite des RandreinigungsbereichsWidth of edge cleaning area
A2A2
Abstand zwischen Randreinigungsbereich und Bürstwalze/SaugmundDistance between edge cleaning area and brush roller/suction mouth

Claims (15)

  1. Supplementary structural part for fastening to the suction/brush housing (2) of a suction nozzle (3) of a floor cleaning appliance designed as a brushing wet/dry suction appliance (1), which has a suction nozzle with a motor-driven cleaning brush arranged therein, wherein the brush projects with a brushing and cleaning active zone from an underside of the suction/brush housing (2) of the suction nozzle (3) to be moved along the floor surface to be cleaned and the suction nozzle (3) comprises a suction mouth extending at least along a portion of the brush and wherein the supplementary structural part comprises:
    • a carrier body (8) with a frame (11) or a carrier body (8) embodied as a frame (11), respectively with at least one flat cleaning area facing the floor surface to be cleaned, which can be placed on the floor surface to be cleaned in such a way that the floor cleaning device can be placed on the supplementary structural part from above or pushed in from one side, and
    • a drying and/or cleaning layer (9) which is held by the carrier body (8) or can be fastened to the carrier body (8),
    wherein the frame (11) comprises a passage opening through which the brush and the suction mouth are able to come into operative contact with the floor surface when the supplementary structural part is arranged on the suction/brush housing (2) as intended, and the frame (11) comprises on one side or on the two opposite sides of the passage opening at least one edge region with a drying and/or cleaning layer (9) and in that the carrier body (8) comprises upwardly projecting retaining edges which, when the additional component is arranged on the suction/brush housing (2), engage behind edges or ridges of the suction nozzle (3) in such a manner that the supplementary structural part is also moved in a forward and a backward direction during reciprocal movement of the floor cleaning device, wherein the supplementary structural part comprises lateral guides which are capable of holding the supplementary structural part on the suction nozzle (3) in a direction transverse to the forward direction and a rearward direction, and wherein the connection of the supplementary structural part to the suction/brush housing (2) is embodied in such a way that the supplementary structural part can be detached from the suction/brush housing (2) by lifting the suction/brush housing (2).
  2. Supplementary structural part for a floor cleaning device according to claim 1, characterized in that the frame (11) comprises at least one drying and/or cleaning layer (9) on its bottom side on one side, in particular on both sides, of the passage opening, which drying and/or cleaning layer (9) rests on the floor surface to be cleaned when a floor cleaning device provided with the supplementary structural part is used as intended.
  3. Supplementary structural part for a floor cleaning device according to one of the two preceding claims, characterized in that the frame (11) is U-shaped, the front zone of the frame (11) opposite the cross-section being open so that the passage opening is open on one side, the frame (11) comprising a cross-running section from one edge element to an opposite edge element, which is provided with at least one drying and/or cleaning layer (9).
  4. Supplementary structural part for a floor cleaning device according to one of the preceding claims, characterized in that the carrier body (8) comprises edge cleaning surfaces, in particular on the edge elements, arranged at a right angle to the bottom side of the carrier body (8), which are provided with a drying and/or cleaning layer (9).
  5. Supplementary structural part for a floor cleaning device according to the preceding claim, characterized in that the edge cleaning surfaces are constituted by foldable side wings which can be folded laterally downwards so that their side surfaces constitute a flat surface with the bottom side of the frame (11) and can be folded upwards, in particular at right angles, for the cleaning of edge elements.
  6. A supplementary structural part for a floor cleaning device according to any one of claims 1 to 4, characterized in that the carrier body (8) is provided with a drying and/or cleaning layer (9) embodied in such a way that it folds or jams upwards with a resilient or foldable edge region upon contact with a side surface arranged obliquely or at right angles relative to the floor surface to be cleaned and/or pressure against such a side surface with a textile overlap region extending laterally outwards from the carrier body (8).
  7. Supplementary structural part for a floor cleaning device according to one of the preceding claims, characterized in that the drying and/or cleaning layer (9) can be detachably connected to the carrier body (8) via a Velcro or clamp connection, or in that the drying and/or cleaning layer (9) is embodied as a double-walled pocket into which the carrier body (8) can be inserted.
  8. Supplementary structural part for a floor cleaning device according to one of claims 1 to 6, characterized in that the frame (11) is made of an absorbent, cleaning-active material, in particular felt or foam, and constitutes the drying and/or cleaning layer (9).
  9. Supplementary structural part for a floor cleaning device according to one of the preceding claims, characterized in that the drying and/or cleaning layer (9) comprises, at least in sections, long pile or other threads, in particular threads with a length of more than 5 mm, further preferably with a length of more than 10 mm and particularly preferably with a length of more than 10 mm, or comprises a mixture of these different long threads, longer threads being provided in particular in the rear zone of the frame (11).
  10. Supplementary structural part for a floor cleaning device according to one of the preceding claims, characterized in that the floor cleaning device can be inserted into the supplementary structural part from above or from an oblique downward movement without overcoming latching forces, and the floor cleaning device can be separated from the supplementary structural part in an opposite movement.
  11. Supplementary structural part for a floor cleaning device according to one of the preceding claims, characterized in that the frame (11) is embodied in such a way that the suction nozzle (3) of the floor cleaning device can be moved onto the supplementary structural part from the front and/or from the rear in a direction parallel to the forward and/or rearward direction, wherein, as a result of the suction nozzle (3) being moved onto and/or subsequently falling into the frame (11), the retaining edges and/or the lateral guides come into a functional position for transmitting the longitudinal and lateral forces required for the supplementary structural part to move with the suction nozzle (3) in motion.
  12. Supplementary structural part for a floor cleaning device according to the preceding claim, characterized in that the frame (11) comprises ramps in the form of bevelled sliding or rolling planes at the front and/or rear and is embodied in such a way that the suction nozzle (3) of the floor cleaning device can be moved onto the supplementary structural part via the ramps, the forces opposing the movement onto the supplementary structural part being less than adhesive forces between the supplementary structural part subjected to the load of the floor cleaning device and the floor to be cleaned.
  13. Floor cleaning device embodied as a brushing wet/dry suction device (1) with a suction nozzle (3) arranged in a suction/brush housing (2) reciprocating along a floor to be cleaned and a motor-driven cleaning brush arranged in the suction/brush housing (2), wherein
    • a supplementary structural part according to one of the preceding claims is arranged on the suction/brush housing,
    • the brush projects with a brushing and cleaning active zone from a bottom side of the suction/brush housing (2) of the suction nozzle (3) to be moved along the floor surface to be cleaned, and
    • the suction nozzle (3) comprises a suction mouth extending at least along a section of the brush.
  14. Floor cleaning device according to claim 13, characterized in that the floor cleaning device is designed as a handle device with a housing (2) arranged on a handle (5) and a suction unit arranged in the device housing (2), the suction nozzle (3) being in flow connection with the suction unit and with a dirty liquid tank (7) for holding dirty liquid which is separated from an aspirated suction material flow, wherein the dirty liquid tank (7) is in flow connection with the suction unit via an air outlet (16) of a dirty liquid tank connection (10), characterized in that the suction nozzle (3) comprises surfaces or edges cooperating with the abutment edges and/or the lateral guides and can be lowered onto the supplementary structural part in an attachment movement from obliquely above or from above in such a way that the abutment edges and/or the lateral guides are paired with cooperating surfaces or edges, the suction nozzle being removable from the supplementary structural part by a release movement opposite to the attachment movement without further release of holding or latching means.
  15. Floor cleaning device according to one of the two preceding claims, characterized in that the supplementary structural part or the frame (11) are embodied in such a way that the suction nozzle (3) of the floor cleaning device can be moved onto the supplementary structural part against a stop from the front and/or from the rear in a direction parallel to the forward and/or rearward direction, wherein the suction nozzle, upon reaching the stop at the latest, is lowered into a working position by the weight force, and the driving up and the subsequent lowering into the working position of the suction nozzle (3) into the frame (11) bring the holding edges and/or the lateral guides into a functional position for transmitting the longitudinal and lateral forces required for the supplementary structural part to move along when the suction nozzle (3) is moved.
EP22192485.5A 2021-08-27 2022-08-26 Add-on component for a floor cleaning device and floor cleaning device Active EP4144273B1 (en)

Applications Claiming Priority (1)

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DE102021122305.9A DE102021122305A1 (en) 2021-08-27 2021-08-27 Additional component for a floor cleaning device and floor cleaning device

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EP4144273B1 true EP4144273B1 (en) 2023-11-15

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