EP3491988B1 - Click nozzle - Google Patents

Click nozzle Download PDF

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Publication number
EP3491988B1
EP3491988B1 EP17204720.1A EP17204720A EP3491988B1 EP 3491988 B1 EP3491988 B1 EP 3491988B1 EP 17204720 A EP17204720 A EP 17204720A EP 3491988 B1 EP3491988 B1 EP 3491988B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
vacuum cleaner
suction
cleaner nozzle
expansion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17204720.1A
Other languages
German (de)
French (fr)
Other versions
EP3491988A1 (en
Inventor
Wolfgang Geurden
Andreas Cramer
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.)
Wessel Werk GmbH
Original Assignee
Wessel Werk 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 Wessel Werk GmbH filed Critical Wessel Werk GmbH
Priority to EP17204720.1A priority Critical patent/EP3491988B1/en
Priority to US16/199,404 priority patent/US11019969B2/en
Publication of EP3491988A1 publication Critical patent/EP3491988A1/en
Application granted granted Critical
Publication of EP3491988B1 publication Critical patent/EP3491988B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00Structural features of suction cleaners
    • A47L5/12Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02Nozzles
    • A47L9/06Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0673Nozzles with fixed, e.g. adjustably fixed brushes or the like with removable brushes, combs, lips or pads
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02Nozzles
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02Nozzles
    • A47L9/06Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/066Nozzles with fixed, e.g. adjustably fixed brushes or the like with adjustably mounted brushes, combs, lips or pads; Height adjustment of nozzle or dust loosening tools

Definitions

  • the invention relates to a vacuum cleaner nozzle arrangement and comprises a vacuum cleaner nozzle for forming a first suction configuration and an expansion nozzle for forming a second suction configuration, which has a receptacle for connection to the vacuum cleaner nozzle.
  • Vacuum cleaner nozzles are used to shape and guide a flow of suction air on surfaces to be cleaned.
  • the suction air flow is generated by a vacuum cleaner by means of a fan and enters a suction air duct through the vacuum cleaner nozzle.
  • the suction air flow pulls dirt particles from the surface to be cleaned and carries them with them until they are separated from the suction air flow in a dirt collecting device.
  • different nozzle shapes have emerged, for example vacuum cleaner nozzles for smooth floors and / or carpets, upholstery nozzles, crevice nozzles, etc., which must be carried and provided for the different cleaning scenarios.
  • vacuum cleaner nozzles In order to reduce the effort involved, it is known to design vacuum cleaner nozzles so that they can be adapted to several application situations, for example in such a way that the floor clearance of the vacuum cleaner nozzle can be switched between a smooth floor position and a carpet floor position by means of adjustable spacer elements.
  • the changes in geometry that can be achieved in this way - in particular the sliding sole and the suction mouth - are very limited. Therefore, modular vacuum cleaner nozzle systems have also been proposed, in which a small vacuum cleaner nozzle can be used in an extension body to form a larger overall nozzle.
  • the invention is based on the object of specifying a system of vacuum cleaner nozzles which is intended to provide a large number of different suction configurations with little design effort and little use of material. These should be extremely robust and also suitable for professional use.
  • the generic vacuum cleaner nozzle arrangement from which the invention is based comprises a vacuum cleaner nozzle for forming a first suction configuration with a nozzle body, a suction mouth arranged on the underside thereof and connected to a suction channel, which defines a first working width, and a suction connection piece for connecting the suction channel to a suction air guide. Furthermore, it comprises a first extension nozzle for forming a second suction configuration with a first extension body, a suction mouth arranged on the underside thereof and connected to a suction channel, which defines a second working width that is larger than the first working width, and a receptacle for connection to the vacuum cleaner nozzle, the suction channel of the first extension body being connectable to the suction mouth of the vacuum cleaner nozzle.
  • a second expansion nozzle is provided for forming a third suction configuration with a second expansion body, the dimensions of which differ from the first expansion body, a suction mouth arranged on the underside thereof and connected to a suction channel, and a receptacle for connection to the vacuum cleaner nozzle, the suction channel of the second Extension body can be connected to the suction mouth of the vacuum cleaner nozzle.
  • the vacuum cleaner nozzle can be used directly for suction cleaning, a suction air stream being drawn off from a surface to be cleaned and introduced through the suction mouth of the vacuum cleaner nozzle into its suction channel and passed on to a suction air duct via the suction connection piece.
  • the vacuum cleaner nozzle can be connected to the holder of a first extension body.
  • the suction air duct is designed in such a way that the suction mouth of the vacuum cleaner nozzle is connected to the suction channel of the first extension body.
  • a second extension body can also be connected to the vacuum cleaner nozzle.
  • the suction air duct is also connected to the second extension body in such a way that the major part of the suction air flow through the suction mouth of the second extension body enters the suction channel arranged behind it and is forwarded from there into the suction mouth of the vacuum cleaner nozzle.
  • the second expansion nozzle has a geometry that differs from the first expansion nozzle, as a result of which other cleaning scenarios can preferably be processed in the context of the third suction configuration.
  • the suction mouth of the second extension body defines a third working width that is larger than the second working width. Compared to the second suction configuration, even wider webs can be suctioned off on a surface to be cleaned, which can be helpful in particular depending on the particle size distribution of the dirt to be removed and the number of square meters of the surface to be cleaned.
  • the geometry of the third suction configuration can differ from the second suction configuration in other aspects.
  • an enlarged base area of the second extension body can be provided, a greater depth in the working direction or, for example, also a modified sliding sole design, which is optimized for use on certain floor coverings, for example carpets, in particular deep-pile carpets.
  • the receptacle of the first extension body and / or the receptacle of the second extension body preferably has a sealing element.
  • a seal is provided in the connected state in order to avoid incorrect air flows. With a seal, almost the entire suction air flow can be directed through the suction mouth and the suction channel of the corresponding extension body.
  • the invention can particularly preferably be used in vacuum cleaner nozzle arrangements in which the vacuum cleaner nozzle is in the transverse direction has a greater extension than in the working direction.
  • a particularly stable connection to a vacuum cleaner nozzle and the extension bodies is possible here.
  • the suction air duct can also be designed better because the suction mouth of the vacuum cleaner nozzle already has a large transverse extension. As a result, the suction mouth of the vacuum cleaner nozzle can be particularly easily connected to the suction air duct of a crosswise wider extension nozzle.
  • the receptacles of the first expansion nozzle and the receptacle of the second expansion nozzle are expediently of identical design. In this way, a particularly easy interchangeability of the two extension nozzles is ensured, and the connection to the vacuum cleaner nozzle can function optimally and equally well in both cases.
  • the receptacle of the first extension nozzle and / or the receptacle of the second extension nozzle enclose the vacuum cleaner nozzle in the connected state in the horizontal plane (that is to say in the transverse direction and in the working direction) in a form-fitting manner.
  • the positive connection is particularly preferably produced by the fact that the receptacle of the first extension nozzle and / or the receptacle of the second extension nozzle abuts the vacuum cleaner nozzle all around in the horizontal plane.
  • optimal power transmission can take place both in the transverse direction and in the working direction.
  • the vacuum cleaner nozzle from the receptacles is inserted in the vertical direction.
  • a certain seal is already provided, so that an additional sealing element to avoid incorrect air flows can be omitted.
  • the vacuum cleaner nozzle can be locked in the receptacle of the first extension nozzle and / or in the receptacle of the second extension nozzle in the vertical direction by means of a latching connection.
  • a latching connection at least one latching body is deformed and / or displaced by the insertion of the vacuum cleaner nozzle into the receptacle, the latching body being at least partially deformed and / or displaced back in the receptacle when the final receiving position of the vacuum cleaner nozzle is reached, as a result of which the vacuum cleaner nozzle is shaped in the receptacle - And / or is held non-positively.
  • the latching connection can be formed by an elastically deformable retaining strip, which is pushed aside when the vacuum cleaner nozzle is inserted into the receptacle and, after reaching the final receptacle position, at least partially deforms within the receptacle.
  • an elastically deformable retaining strip which is pushed aside when the vacuum cleaner nozzle is inserted into the receptacle and, after reaching the final receptacle position, at least partially deforms within the receptacle.
  • the locking connection can be provided by an undeformable locking body which is slidably mounted on the receptacle.
  • the latching body is pressed into the receptacle by an elastic application of force in such a way that the vacuum cleaner nozzle has a certain excess compared to the receptacle reduced by the latching body.
  • the locking body is pushed back by the vacuum cleaner nozzle against the application of force, so that the locking body clears the way into the receptacle.
  • the locking body can are at least partially moved back to its starting position, thereby preventing the vacuum cleaner nozzle from being removed from the receptacle, at least by applying force, but preferably by blocking it.
  • the locking element In the second case, the locking element must be unlocked by pulling it back out of the locked position in order to be able to remove the vacuum cleaner nozzle from the holder.
  • the vacuum cleaner nozzle is delimited in the transverse direction by a first narrow side and an opposite second narrow side.
  • the vacuum nozzle with the first narrow side engages behind an overhang of the receptacle of the first extension nozzle or the second extension nozzle.
  • the vacuum cleaner nozzle can be locked on the second narrow side by a locking element arranged on the receptacle.
  • the locking in the vertical direction is also released on at least one side by positive locking, which entails little construction effort and high robustness.
  • the latching element can preferably be unlocked by a switching element, in particular a foot pressure switch. This can be triggered by an operator with his foot with little effort during use in order to be able to remove the vacuum cleaner nozzle from the receptacle of the respective extension nozzle.
  • the latching element and the switching element can preferably be formed in one piece.
  • At least one thread lifter is preferably arranged on the vacuum cleaner nozzle. This means that it can be used as an upholstery nozzle within the first suction configuration.
  • sealing, carrying and / or cleaning elements are also arranged on the first extension nozzle and / or on the second extension nozzle.
  • these can be bristle strips, sealing lips, thread lifters and / or rubber strips and / or lips which are covered with plush thread plush.
  • the effectiveness of the second and / or third suction configuration for specific types and / or sizes of dirt particles can be specifically set by suitable selection.
  • At least one roller is arranged on the first extension nozzle and / or on the second extension nozzle. Rollers are also used to support a vacuum cleaner nozzle on smooth hard floors, whereby the floor clearance can be adjusted precisely.
  • castors can also be used to ensure automatic adjustment to different floor coverings, at least in limited frames. This is based on the fact that at least narrow casters with a running width of a few millimeters sink into soft carpets and do not develop a load-bearing effect there.
  • the suction connector is particularly preferably movably arranged on the nozzle body by means of a joint arrangement.
  • the suction connector is pivoted about at least one axis to enable control of the vacuum cleaner nozzle and / or adaptation to the floor.
  • the vacuum cleaner nozzle arrangement further comprises an alternative vacuum cleaner nozzle, which can be connected alternatively to the receptacle of the first expansion nozzle and / or the receptacle of the second expansion nozzle.
  • the alternative vacuum cleaner nozzle can have additional suction openings, which are not included the receptacle can be coupled, and / or have support elements.
  • the alternative vacuum cleaner nozzle in such a way that in the context of suction configurations in connection with the first extension nozzle or the second extension nozzle, a double-joint arrangement is formed, in which the extension nozzle is movable relative to the suction connection piece around two mutually spaced, parallel and transverse pivot axes connected is.
  • the alternative vacuum cleaner nozzle has a nozzle body which is identical to the vacuum cleaner nozzle and a different suction connection piece and / or a different joint arrangement for connecting the suction connection piece to the nozzle body.
  • the vacuum cleaner nozzle arrangement according to the invention can be adapted particularly easily for applications with different controllability of the suction configurations by means of correspondingly coordinated suction connection pieces and / or articulated arrangements.
  • the same extension nozzles can be used with different suction air routing formats - for example, different pipe diameters of a suction pipe.
  • the alternative vacuum cleaner nozzle also functions as an adapter with its different design of the suction connector. This makes it easier to use in the professional area, where vacuum cleaners from different manufacturers and models are used side by side.
  • the vacuum cleaner nozzle arrangement comprises a vacuum cleaner nozzle 1 with a nozzle body 2 and a suction mouth 16 on the underside thereof, not visible in the illustration and connected to a suction channel 17, which defines a first working width a 1 in a transverse direction x.
  • a suction connection piece 3 connects to the nozzle body 2.
  • the suction connection piece is fastened to the nozzle body 2 so that it can rotate about a pivot axis running parallel to the working direction y.
  • a first expansion nozzle 4 which has a first expansion body 5 with a suction mouth 7 arranged on the underside thereof and opening into a suction channel 6.
  • the suction mouth 7 defines the working width a 2 extending in the transverse direction x, which is enlarged compared to the first working width a 1 .
  • a receptacle 8 is provided for connection to the vacuum cleaner nozzle 1.
  • the receptacle is designed so that the vacuum cleaner nozzle 1 is held in a form-fitting manner in the working direction y and in the transverse direction x.
  • the vacuum cleaner nozzle 1 is encircled by the receptacle 8 on three sides.
  • the suction channel 6 of the first extension body 5 is connected to the suction mouth of the vacuum cleaner nozzle 1.
  • an overhang 9 is provided on one narrow side of the receptacle 8, which can be gripped behind by a narrow side of the vacuum cleaner nozzle 1.
  • a latching element 10 is provided, by means of which the second narrow side of the vacuum cleaner nozzle 1 can be locked in the receptacle. In the connected state, the latching element 10 holds the vacuum cleaner nozzle 1 by positive locking within the receptacle 8.
  • the latching element 10 can be unlocked by a switching element designed as a foot pressure switch 11.
  • the vacuum cleaner nozzle arrangement furthermore has a second expansion nozzle 12 with a second expansion body 13 and a suction mouth 15 arranged on the underside thereof and connected to a suction channel 14.
  • the dimension of the second extension body 13 differs from the first extension body 5 in such a way that the suction mouth 15 defines a third working width a 3 that is larger than the second working width a 2 .
  • Both the vacuum cleaner nozzle 1 and the first extension nozzle 4 and also the second extension nozzle 12 have a greater extent in the transverse direction x than in the working direction y.
  • a receptacle 8 ′ On the upper side of the second extension body 13 there is also a receptacle 8 ′, which is identical to the receptacle 8 of the first extension nozzle 4.
  • the vacuum cleaner nozzle is also fixed in the horizontal direction by positive locking.
  • the fixing in the vertical direction by an overhang 9 'and a locking element 10' which can be unlocked by a switching element 11 '.
  • the vacuum cleaner nozzle 1 shown can be used in the context of a first suction configuration without additional attachments and can be connected directly to a suction air duct by means of the connecting piece 3.
  • Fig. 2 shows a second suction configuration, in which the vacuum cleaner nozzle 1 is inserted with its nozzle body 2 into the receptacle 8 of the first extension body 5 of the extension nozzle 4.
  • the vacuum cleaner nozzle 1 and the first extension nozzle 4 are firmly locked to one another and releasably by positive locking and form a common unit.
  • Fig. 3 the third suction configuration is shown in a corresponding manner:
  • the vacuum cleaner nozzle 1 with its nozzle body 2 is inserted into the receptacle 8 'of the second extension body 13 of the second extension nozzle 12.
  • a static vacuum cleaner nozzle of particularly large working width a 3 is formed.
  • FIGS. 4A and 4B the undersides of the vacuum cleaner nozzle 1 and, by way of example, the second extension nozzle 12 are shown.
  • a thread lifter strip 18 connects to the suction mouth 16 of the vacuum cleaner nozzle 1 on the front and rear in the working direction y.
  • the vacuum cleaner nozzle 1 can thus be used in particular as an upholstery nozzle.
  • FIG. 5 a further embodiment is indicated.
  • an alternative vacuum cleaner nozzle 21 is connected to the first expansion nozzle 4.
  • This has a nozzle body 2 ′ that is identical to that of the nozzle body 2 of the vacuum cleaner nozzle 1.
  • This is followed at the rear by an alternative suction connection 3 ', which differs from the first suction connection 3.

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

Description

Die Erfindung betrifft eine Staubsaugerdüsenanordnung und umfasst eine Staubsaugerdüse zur Bildung einer ersten Saugkonfiguration sowie eine Erweiterungsdüse zur Bildung einer zweiten Saugkonfiguration, welche eine Aufnahme zur Verbindung mit der Staubsaugerdüse aufweist.The invention relates to a vacuum cleaner nozzle arrangement and comprises a vacuum cleaner nozzle for forming a first suction configuration and an expansion nozzle for forming a second suction configuration, which has a receptacle for connection to the vacuum cleaner nozzle.

Staubsaugerdüsen dienen der Formung und Führung eines Saugluftstromes an zu reinigenden Oberflächen. Der Saugluftstrom wird dabei von einem Staubsauger mittels eines Gebläses erzeugt und tritt durch die Staubsaugerdüse in eine Saugluftführung ein. Dabei zieht der Saugluftstrom Schmutzpartikel von der zu reinigenden Oberfläche ab und führt diese mit sich, bis sie in einer Schmutzsammelvorrichtung aus dem Saugluftstrom abgetrennt werden. Je nach Anwendungsgebiet haben sich unterschiedliche Düsenformen herausgebildet, beispielsweise Staubsaugerdüsen für Glattböden und/oder Teppichböden, Polsterdüsen, Fugendüsen usw., welche für die verschiedenen Reinigungszenarien mitgeführt und bereitgestellt werden müssen.Vacuum cleaner nozzles are used to shape and guide a flow of suction air on surfaces to be cleaned. The suction air flow is generated by a vacuum cleaner by means of a fan and enters a suction air duct through the vacuum cleaner nozzle. The suction air flow pulls dirt particles from the surface to be cleaned and carries them with them until they are separated from the suction air flow in a dirt collecting device. Depending on the area of application, different nozzle shapes have emerged, for example vacuum cleaner nozzles for smooth floors and / or carpets, upholstery nozzles, crevice nozzles, etc., which must be carried and provided for the different cleaning scenarios.

Um hierbei den Aufwand zu reduzieren, ist es bekannt, Staubsaugerdüsen an mehrere Einsatzsituationen anpassbar zu gestalten etwa dergestalt, dass der Bodenabstand der Staubsaugerdüse durch verstellbare Abstandselemente zwischen einer Glattbodenstellung und einer Teppichbodenstellung umgeschaltet werden kann. Die hierdurch erreichbaren Veränderungen der Geometrie - insbesondere der Gleitsohle und des Saugmundes - sind jedoch sehr begrenzt. Daher wurden auch modulare Staubsaugerdüsensysteme vorgeschlagen, bei denen eine kleine Staubsaugerdüse in einem Erweiterungskörper zur Bildung einer größeren Gesamtdüse einsetzbar ist.In order to reduce the effort involved, it is known to design vacuum cleaner nozzles so that they can be adapted to several application situations, for example in such a way that the floor clearance of the vacuum cleaner nozzle can be switched between a smooth floor position and a carpet floor position by means of adjustable spacer elements. However, the changes in geometry that can be achieved in this way - in particular the sliding sole and the suction mouth - are very limited. Therefore, modular vacuum cleaner nozzle systems have also been proposed, in which a small vacuum cleaner nozzle can be used in an extension body to form a larger overall nozzle.

Beispielsweise aus EP 1 364 608 A2 ist eine modulare Staubsaugerdüse mit einer Staubsaugerbodendüse und einer darin einsetzbaren Minidüse bekannt.For example, from EP 1 364 608 A2 a modular vacuum cleaner nozzle with a vacuum cleaner floor nozzle and a mini nozzle which can be used therein is known.

Um den Einsatzbereich einer modularen Düse zu erweitern, schlägt EP 2 636 349 A1 vor, mehrere Ausbaustufen einer modularen Düse vor, welche parallel nebeneinander und/oder seriell hintereinander an einen Grundkörper angeschlossen werden können. Die verschiedenen Anschlussstellen bringen einen hohen konstruktiven Aufwand und eine hohe Störungsanfälligkeit mit sich. Die so erzielbaren Reinigungskonfigurationen sind nur bedingt nützlich.In order to expand the area of application of a modular nozzle, beats EP 2 636 349 A1 before, several expansion stages of a modular nozzle, which can be connected in parallel next to one another and / or in series one behind the other to a base body. The various connection points involve a great deal of design effort and a high susceptibility to faults. The cleaning configurations that can be achieved in this way are only of limited use.

Vor diesem Hintergrund liegt der Erfindung die Aufgabe zugrunde, ein System von Staubsaugerdüsen anzugeben, welches mit geringem konstruktiven Aufwand und geringem Materialeinsatz eine große Anzahl an unterschiedlichen Saugkonfigurationen bereitstellen soll. Diese sollen sich durch eine große Robustheit auszeichnen und auch für den professionellen Einsatz geeignet sein.Against this background, the invention is based on the object of specifying a system of vacuum cleaner nozzles which is intended to provide a large number of different suction configurations with little design effort and little use of material. These should be extremely robust and also suitable for professional use.

Gegenstand der Erfindung und Lösung dieser Aufgabe ist eine Staubsaugerdüsenanordnung nach Anspruch 1. Bevorzugte Ausgestaltungen sind in den abhängigen Unteransprüchen angegeben.The object of the invention and solution to this problem is a vacuum cleaner nozzle arrangement according to claim 1. Preferred developments are specified in the dependent subclaims.

Die gattungsgemäße Staubsaugerdüsenanordnung, von der die Erfindung ausgeht, umfasst eine Staubsaugerdüse zur Bildung einer ersten Saugkonfiguration mit einem Düsenkörper, einem daran unterseitig angeordneten und mit einem Saugkanal verbundenen Saugmund, welcher eine erste Arbeitsbreite definiert, und einem Sauganschlussstutzen zur Verbindung des Saugkanals mit einer Saugluftführung. Weiterhin umfasst es eine erste Erweiterungsdüse zur Bildung einer zweiten Saugkonfiguration mit einem ersten Erweiterungskörper, einem daran unterseitig angeordneten und mit einem Saugkanal verbundenen Saugmund, welche eine gegenüber der ersten Arbeitsbreite vergrößerte zweite Arbeitsbreite definiert, und einer Aufnahme zur Verbindung mit der Staubsaugerdüse, wobei der Saugkanal des ersten Erweiterungskörpers an den Saugmund der Staubsaugerdüse anschließbar ist. Erfindungsgemäß ist eine zweite Erweiterungsdüse zur Bildung einer dritten Saugkonfiguration mit einem zweiten Erweiterungskörper, der in seinen Abmessungen von dem ersten Erweiterungskörper abweicht, einem daran unterseitig angeordneten und mit einem Saugkanal verbundenen Saugmund und einer Aufnahme zur Verbindung mit der Staubsaugerdüse vorgesehen, wobei der Saugkanal des zweiten Erweiterungskörpers an den Saugmund der Staubsaugerdüse anschließbar ist.The generic vacuum cleaner nozzle arrangement from which the invention is based comprises a vacuum cleaner nozzle for forming a first suction configuration with a nozzle body, a suction mouth arranged on the underside thereof and connected to a suction channel, which defines a first working width, and a suction connection piece for connecting the suction channel to a suction air guide. Furthermore, it comprises a first extension nozzle for forming a second suction configuration with a first extension body, a suction mouth arranged on the underside thereof and connected to a suction channel, which defines a second working width that is larger than the first working width, and a receptacle for connection to the vacuum cleaner nozzle, the suction channel of the first extension body being connectable to the suction mouth of the vacuum cleaner nozzle. According to the invention, a second expansion nozzle is provided for forming a third suction configuration with a second expansion body, the dimensions of which differ from the first expansion body, a suction mouth arranged on the underside thereof and connected to a suction channel, and a receptacle for connection to the vacuum cleaner nozzle, the suction channel of the second Extension body can be connected to the suction mouth of the vacuum cleaner nozzle.

Im Rahmen der erfindungsgemäßen Staubsaugerdüsenanordnung sind insgesamt zumindest drei unterschiedliche Saugkonfigurationen umsetzbar. Einerseits ist die Staubsaugerdüse unmittelbar zur Saugreinigung verwendbar, wobei ein Saugluftstrom von einer zu reinigenden Oberfläche abgezogen und durch den Saugmund der Staubsaugerdüse in deren Saugkanal eingeleitet und über den Sauganschlussstutzen an eine Saugluftführung weitergegeben wird. Vor abweichende Reinigungsszenarien - insbesondere wenn eine größere Arbeitsbreite benötigt wird - kann die Staubsaugerdüse mit der Aufnahme eines ersten Erweiterungskörpers verbunden werden. Hierbei wird die Saugluftführung derart gestaltet, dass der Saugmund der Staubsaugerdüse an den Saugkanal des ersten Erweiterungskörpers angeschlossen ist. Zumindest der überwiegende Teil des in den Saugmund der Staubsaugerdüse eintretenden Saugluftstromes hat daher zuvor den Saugmund des ersten Erweiterungskörpers und den daran anschließenden Saugkanal passiert. Die Reinigungseigenschaften dieser im Rahmen der zweiten Saugkonfiguration gebildeten Gesamtanordnung werden maßgeblich durch den ersten Erweiterungskörper und seine Saugmundgestaltung bestimmt.Within the scope of the vacuum cleaner nozzle arrangement according to the invention, a total of at least three different suction configurations can be implemented. On the one hand, the vacuum cleaner nozzle can be used directly for suction cleaning, a suction air stream being drawn off from a surface to be cleaned and introduced through the suction mouth of the vacuum cleaner nozzle into its suction channel and passed on to a suction air duct via the suction connection piece. Before different cleaning scenarios - especially if a larger working width is required - the vacuum cleaner nozzle can be connected to the holder of a first extension body. Here, the suction air duct is designed in such a way that the suction mouth of the vacuum cleaner nozzle is connected to the suction channel of the first extension body. At least the majority of the suction air flow entering the suction mouth of the vacuum cleaner nozzle has therefore previously passed through the suction mouth of the first extension body and the suction channel connected to it. The cleaning properties of this in the context of the second suction configuration The overall arrangement formed is largely determined by the first extension body and its suction mouth design.

Im Rahmen der Erfindung ist vorgesehen, dass alternativ zu dem ersten Erweiterungskörper auch ein zweiter Erweiterungskörper mit der Staubsaugerdüse verbindbar ist. Dabei wird die Saugluftführung ebenfalls derart an den zweiten Erweiterungskörper angeschlossen, dass der überwiegende Teil des Saugluftstromes durch den Saugmund des zweiten Erweiterungskörpers in den dahinter angeordneten Saugkanal eintritt und von dort aus in den Saugmund der Staubsaugerdüse weitergeleitet wird. Die zweite Erweiterungsdüse weist eine von der ersten Erweiterungsdüse abweichende Geometrie auf, wodurch im Rahmen der dritten Saugkonfiguration andere Reinigungsszenarien bevorzugt abgearbeitet werden können. Insbesondere kann vorgesehen sein, dass der Saugmund des zweiten Erweiterungskörpers eine gegenüber der zweiten Arbeitsbreite vergrößerte dritte Arbeitsbreite definiert. Somit können gegenüber der zweiten Saugkonfiguration noch breitere Bahnen auf einer zu reinigenden Oberfläche abgesaugt werden, was insbesondere je nach Korngrößenverteilung des zu entfernenden Schmutzes und der Quadratmeterzahl der zu reinigenden Oberfläche hilfreich sein kann.Within the scope of the invention it is provided that, as an alternative to the first extension body, a second extension body can also be connected to the vacuum cleaner nozzle. The suction air duct is also connected to the second extension body in such a way that the major part of the suction air flow through the suction mouth of the second extension body enters the suction channel arranged behind it and is forwarded from there into the suction mouth of the vacuum cleaner nozzle. The second expansion nozzle has a geometry that differs from the first expansion nozzle, as a result of which other cleaning scenarios can preferably be processed in the context of the third suction configuration. In particular, it can be provided that the suction mouth of the second extension body defines a third working width that is larger than the second working width. Compared to the second suction configuration, even wider webs can be suctioned off on a surface to be cleaned, which can be helpful in particular depending on the particle size distribution of the dirt to be removed and the number of square meters of the surface to be cleaned.

Alternativ oder zusätzlich kann sich jedoch die Geometrie der dritten Saugkonfiguration in anderen Aspekten von der zweiten Saugkonfiguration unterscheiden. Beispielsweise kann eine vergrößerte Grundfläche des zweiten Erweiterungskörpers vorgesehen sein, eine größere Tiefe in Arbeitsrichtung oder beispielsweise auch eine veränderte Gleitsohlengestaltung, welche für den Einsatz auf bestimmten Bodenbelägen, beispielsweise Teppichböden, insbesondere hochflorigen Teppichen, optimiert ist.Alternatively or additionally, however, the geometry of the third suction configuration can differ from the second suction configuration in other aspects. For example, an enlarged base area of the second extension body can be provided, a greater depth in the working direction or, for example, also a modified sliding sole design, which is optimized for use on certain floor coverings, for example carpets, in particular deep-pile carpets.

Gegenüber Staubsaugerdüsensystemen, bei denen mehrere vollständige, gegeneinander austauschbare spezialisierte Staubsaugerdüsen vorgesehen sind, ergibt sich im Rahmen der Erfindung eine erhebliche Materialersparnis. Insbesondere im Bereich des Sauganschlussstutzens sowie dessen gelenkiger Verbindung mit dem Staubsaugerdüsenkörper wird eine doppelte Ausführung an verschiedenen Staubsaugerdüsen vermieden. Entsprechend der Materialreduzierung lässt sich die Staubsaugerdüsenanordnung auch aufgrund eines verringerten Platzbedarfs leichter transportieren, was insbesondere bei einem professionellen Einsatz vorteilhaft ist. Gegenüber der Ausgestaltung einer Staubsaugerdüse mit mehreren parallel und seriell einsetzbaren Erweiterungen kann im Rahmen der Erfindung eine erhöhte Effektivität und Stabilität der jeweiligen Saugkonfigurationen erhöht werden. Hierbei ist von Vorteil, dass es jeweils nur eine einzige Anschlussstelle an der Verbindung zwischen der Aufnahme der Erweiterungskörper und der Staubsaugerdüse gibt. Entsprechend treten an nur einer einzigen Übergangsstelle mögliche Fehlluftströme auf, welche ebenfalls mit geringerem konstruktivem und materiellem Aufwand abgedichtet werden können.Compared to vacuum cleaner nozzle systems, in which several complete, interchangeable, specialized vacuum cleaner nozzles are provided, there is considerable material savings within the scope of the invention. In particular in the area of the suction connection piece and its articulated connection to the body of the vacuum cleaner nozzle, a double design on different vacuum cleaner nozzles is avoided. In accordance with the reduction in material, the vacuum cleaner nozzle arrangement can also be transported more easily due to the reduced space requirement, which is particularly advantageous for professional use. Compared to the configuration of a vacuum cleaner nozzle with several extensions that can be used in parallel and in series, the effectiveness and stability of the respective suction configurations can be increased within the scope of the invention. The advantage here is that there is only a single connection point at the connection between the receptacle of the extension body and the vacuum cleaner nozzle. Correspondingly, possible incorrect air flows occur at only one transition point, which can also be sealed with less constructional and material expenditure.

Vorzugsweise weist die Aufnahme des ersten Erweiterungskörpers und/oder die Aufnahme des zweiten Erweiterungskörpers ein Dichtelement auf. Hierdurch wird im verbundenen Zustand eine Abdichtung bereitgestellt um Fehlluftströme zu vermeiden. Mit einer Abdichtung kann nahezu der gesamte Saugluftstrom durch den Saugmund und den Saugkanal des entsprechenden Erweiterungskörpers geleitet werden.The receptacle of the first extension body and / or the receptacle of the second extension body preferably has a sealing element. As a result, a seal is provided in the connected state in order to avoid incorrect air flows. With a seal, almost the entire suction air flow can be directed through the suction mouth and the suction channel of the corresponding extension body.

Besonders bevorzugt lässt sich die Erfindung bei Staubsaugerdüsenanordnungen einsetzen, bei denen die Staubsaugerdüse in der Querrichtung eine größere Erstreckung aufweist als in der Arbeitsrichtung. Hierbei ist eine besonders stabile Verbindung zu einer Staubsaugerdüse und den Erweiterungskörpern möglich. Auch die Saugluftführung lässt sich so besser ausgestalten, da der Saugmund der Staubsaugerdüse so bereits eine große Quererstreckung aufweist. Infolgedessen lässt sich der Saugmund der Staubsaugerdüse besonders einfach an die Saugluftführung einer Querrichtung breiteren Erweiterungsdüse anschließen.The invention can particularly preferably be used in vacuum cleaner nozzle arrangements in which the vacuum cleaner nozzle is in the transverse direction has a greater extension than in the working direction. A particularly stable connection to a vacuum cleaner nozzle and the extension bodies is possible here. The suction air duct can also be designed better because the suction mouth of the vacuum cleaner nozzle already has a large transverse extension. As a result, the suction mouth of the vacuum cleaner nozzle can be particularly easily connected to the suction air duct of a crosswise wider extension nozzle.

Zweckmäßigerweise sind die Aufnahmen der ersten Erweiterungsdüse und die Aufnahme der zweiten Erweiterungsdüse identisch ausgebildet. Auf diese Weise wird eine besonders leichte Austauschbarkeit der beiden Erweiterungsdüsen gewährleistet, wobei die Verbindung zur Staubsaugerdüse in beiden Fällen optimal und gleich gut funktionieren kann.The receptacles of the first expansion nozzle and the receptacle of the second expansion nozzle are expediently of identical design. In this way, a particularly easy interchangeability of the two extension nozzles is ensured, and the connection to the vacuum cleaner nozzle can function optimally and equally well in both cases.

In einer besonders bevorzugten Ausgestaltung umschließen die Aufnahme der ersten Erweiterungsdüse und/oder die Aufnahme der zweiten Erweiterungsdüse die Staubsaugerdüse im verbundenen Zustand in der Horizontalebene (das heißt in der Querrichtung und in der Arbeitsrichtung) formschlüssig. Besonders bevorzugt wird der Formschluss dadurch hergestellt, dass die Aufnahme der ersten Erweiterungsdüse und/oder die Aufnahme der zweiten Erweiterungsdüse in der Horizontalebene umlaufend an der Staubsaugerdüse anliegt. Hierdurch kann eine optimale Kraftübertragung sowohl in der Querrichtung als auch in der Arbeitsrichtung erfolgen. Das Einsetzen der Staubsaugerdüse aus den Aufnahmen erfolgt dabei in vertikaler Richtung. Bei einer formschlüssigen Aufnahme wird auch bereits eine gewisse Abdichtung bereitgestellt, so dass ein zusätzliches Dichtelement zur Vermeidung von Fehlluftströmen entfallen kann.In a particularly preferred embodiment, the receptacle of the first extension nozzle and / or the receptacle of the second extension nozzle enclose the vacuum cleaner nozzle in the connected state in the horizontal plane (that is to say in the transverse direction and in the working direction) in a form-fitting manner. The positive connection is particularly preferably produced by the fact that the receptacle of the first extension nozzle and / or the receptacle of the second extension nozzle abuts the vacuum cleaner nozzle all around in the horizontal plane. As a result, optimal power transmission can take place both in the transverse direction and in the working direction. The vacuum cleaner nozzle from the receptacles is inserted in the vertical direction. In the case of a form-fitting receptacle, a certain seal is already provided, so that an additional sealing element to avoid incorrect air flows can be omitted.

Besonders zweckmäßigerweise ist die Staubsaugerdüse in der Aufnahme der ersten Erweiterungsdüse und/oder in der Aufnahme der zweiten Erweiterungsdüse in vertikaler Richtung durch eine Rastverbindung arretierbar. Bei einer Rastverbindung wird zumindest ein Rastkörper durch das Einschieben der Staubsaugerdüse in die Aufnahme verformt und/oder verlagert, wobei der Rastkörper beim Erreichen der endgültigen Aufnahmeposition der Staubsaugerdüse in der Aufnahme zumindest teilweise rückverformt und/oder rückverlagert wird, wodurch die Staubsaugerdüse in der Aufnahme form- und/oder kraftschlüssig gehalten wird.Particularly expediently, the vacuum cleaner nozzle can be locked in the receptacle of the first extension nozzle and / or in the receptacle of the second extension nozzle in the vertical direction by means of a latching connection. In the case of a latching connection, at least one latching body is deformed and / or displaced by the insertion of the vacuum cleaner nozzle into the receptacle, the latching body being at least partially deformed and / or displaced back in the receptacle when the final receiving position of the vacuum cleaner nozzle is reached, as a result of which the vacuum cleaner nozzle is shaped in the receptacle - And / or is held non-positively.

Beispielsweise kann die Rastverbindung durch eine elastisch verformbare Halteleiste gebildet werden, welche beim Einschieben der Staubsaugerdüse in die Aufnahme beiseitegeschoben wird und nach Erreichen der endgültigen Aufnahmeposition innerhalb der Aufnahme sich zumindest teilweise rückverformt. Zum Entnehmen der Staubsaugerdüse aus der Aufnahme muss ein erhöhter Kraftaufwand aufgewendet werden, um die Halteleiste erneut zu verformen. Eine separate Entriegelung ist nicht notwendig.For example, the latching connection can be formed by an elastically deformable retaining strip, which is pushed aside when the vacuum cleaner nozzle is inserted into the receptacle and, after reaching the final receptacle position, at least partially deforms within the receptacle. To remove the vacuum cleaner nozzle from the receptacle, increased effort must be exerted in order to deform the holding bar again. A separate release is not necessary.

Ebenso kann die Rastverbindung durch einen unverformbaren Rastkörper bereitgestellt werden, welcher verschiebbar an der Aufnahme gelagert ist. Durch eine elastische Kraftbeaufschlagung wird der Rastkörper derart in die Aufnahme eingedrückt, dass die Staubsaugerdüse gegenüber die durch den Rastkörper verkleinerte Aufnahme ein gewisses Übermaß aufweist. Beim Einschieben der Staubsaugerdüse wird der Rastkörper durch die Staubsaugerdüse gegen die Kraftbeaufschlagung zurückgeschoben, so dass der Rastkörper den Weg in die Aufnahme freigibt. Nach Erreichen der endgültigen Aufnahmeposition der Staubsaugerdüse in der Aufnahme - wobei die zweite bzw. dritte Saugkonfiguration gebildet wird - kann der Rastkörper zumindest teilweise in seine Ausgangsposition zurückbewegt werden, wodurch an einem Entnehmen der Staubsaugerdüse aus der Aufnahme zumindest durch Kraftbeaufschlagung hemmt, vorzugsweise jedoch durch Form sperrt. Im zweiten Fall muss das Rastelement durch Zurückziehen aus der Sperrposition entsperrt werden, um die Staubsaugerdüse aus der Aufnahme entnehmen zu können.Likewise, the locking connection can be provided by an undeformable locking body which is slidably mounted on the receptacle. The latching body is pressed into the receptacle by an elastic application of force in such a way that the vacuum cleaner nozzle has a certain excess compared to the receptacle reduced by the latching body. When the vacuum cleaner nozzle is pushed in, the locking body is pushed back by the vacuum cleaner nozzle against the application of force, so that the locking body clears the way into the receptacle. After reaching the final receiving position of the vacuum cleaner nozzle in the receptacle - the second or third suction configuration being formed - the locking body can are at least partially moved back to its starting position, thereby preventing the vacuum cleaner nozzle from being removed from the receptacle, at least by applying force, but preferably by blocking it. In the second case, the locking element must be unlocked by pulling it back out of the locked position in order to be able to remove the vacuum cleaner nozzle from the holder.

In einer bevorzugten Ausgestaltung wird die Staubsaugerdüse in der Querrichtung durch eine erste Schmalseite und eine gegenüberliegende zweite Schmalseite begrenzt. Zur Arretierung in der Vertikalrichtung innerhalb der Aufnahme hintergreift die Staubsaugerdüse mit der ersten Schmalseite einen Überhang der Aufnahme der ersten Erweiterungsdüse bzw. der zweiten Erweiterungsdüse. Gleichzeitig ist die Staubsaugerdüse an der zweiten Schmalseite durch ein an der Aufnahme angeordnetes Rastelement arretierbar. Hierbei wird die Arretierung in vertikaler Richtung auch an zumindest einer Seite durch Formschluss gelöst, was einen geringen konstruktiven Aufwand und eine hohe Robustheit mit sich bringt.In a preferred embodiment, the vacuum cleaner nozzle is delimited in the transverse direction by a first narrow side and an opposite second narrow side. For locking in the vertical direction within the receptacle, the vacuum nozzle with the first narrow side engages behind an overhang of the receptacle of the first extension nozzle or the second extension nozzle. At the same time, the vacuum cleaner nozzle can be locked on the second narrow side by a locking element arranged on the receptacle. In this case, the locking in the vertical direction is also released on at least one side by positive locking, which entails little construction effort and high robustness.

Vorzugsweise ist das Rastelement durch ein Schaltelement, insbesondere einen Fußdruckschalter entriegelbar. Dieser kann während der Benutzung durch geringen Aufwand von einem Bediener mit dem Fuß ausgelöst werden, um die Staubsaugerdüse aus der Aufnahme der jeweiligen Erweiterungsdüse entnehmen zu können. Das Rastelement und das Schaltelement können vorzugsweise einstückig ausgebildet sein.The latching element can preferably be unlocked by a switching element, in particular a foot pressure switch. This can be triggered by an operator with his foot with little effort during use in order to be able to remove the vacuum cleaner nozzle from the receptacle of the respective extension nozzle. The latching element and the switching element can preferably be formed in one piece.

Vorzugsweise ist an der Staubsaugerdüse zumindest ein Fadenheber angeordnet. Somit ist diese innerhalb der ersten Saugkonfiguration insbesondere als Polsterdüse einsetzbar.At least one thread lifter is preferably arranged on the vacuum cleaner nozzle. This means that it can be used as an upholstery nozzle within the first suction configuration.

Zweckmäßigerweise sind jedoch auch an der ersten Erweiterungsdüse und/oder an der zweiten Erweiterungsdüse Dicht-, Trag- und/oder Reinigungselemente angeordnet. Hierbei kann es sich insbesondere um Borstenleisten, Dichtlippen, Fadenheber und/oder mit fadenheberplüsch flächig besetzte Gummileisten und/oder -lippen handeln. Durch geeignete Auswahl kann die Effektivität der zweiten und/oder dritten Saugkonfiguration für bestimmte Arten und/oder Größen von Schmutzpartikeln gezielt eingestellt werden.Expediently, however, sealing, carrying and / or cleaning elements are also arranged on the first extension nozzle and / or on the second extension nozzle. In particular, these can be bristle strips, sealing lips, thread lifters and / or rubber strips and / or lips which are covered with plush thread plush. The effectiveness of the second and / or third suction configuration for specific types and / or sizes of dirt particles can be specifically set by suitable selection.

In einer bevorzugten Ausgestaltung ist an der ersten Erweiterungsdüse und/oder an der zweiten Erweiterungsdüse zumindest eine Laufrolle angeordnet. Auch Rollen dienen der Abstützung einer Staubsaugerdüse auf glatten Hartböden, wobei sich der Bodenabstand präzise einstellen lässt. Gleichzeitig können Laufrollen auch dazu genutzt werden, zumindest in begrenzten Rahmen eine selbsttätige Einstellung an unterschiedliche Bodenbeläge zu gewährleisten. Dies beruht darauf, dass zumindest schmale Laufrollen mit einer Laufbreite von wenigen Millimetern in weichen Teppichböden einsinken und dort keine Tragwirkung entfalten.In a preferred embodiment, at least one roller is arranged on the first extension nozzle and / or on the second extension nozzle. Rollers are also used to support a vacuum cleaner nozzle on smooth hard floors, whereby the floor clearance can be adjusted precisely. At the same time, castors can also be used to ensure automatic adjustment to different floor coverings, at least in limited frames. This is based on the fact that at least narrow casters with a running width of a few millimeters sink into soft carpets and do not develop a load-bearing effect there.

Besonders bevorzugt ist der Sauganschlussstutzen mittels einer Gelenkanordnung an den Düsenkörper beweglich angeordnet. Dabei ist der Sauganschlussstutzen um zumindest eine Achse schwenkbar gelagert, um eine Steuerung der Staubsaugerdüse und/oder eine Anpassung an den Boden zu ermöglichen. In einer besonders bevorzugten Ausgestaltung umfasst die Staubsaugerdüsenanordnung ferner eine alternative Staubsaugerdüse, welche gleichermaßen mit der Aufnahme der ersten Erweiterungsdüse und/oder der Aufnahme der zweiten Erweiterungsdüse alternativ verbindbar ist. Die alternative Staubsaugerdüse kann zusätzliche Saugöffnungen, welche nicht mit der Aufnahme gekoppelt werden, und/oder Abstützelemente aufweisen. Beispielsweise ist es möglich die alternative Staubsaugerdüse derart auszugestalten, dass im Rahmen von Saugkonfigurationen in Verbindung mit der ersten Erweiterungsdüse oder der zweiten Erweiterungsdüse eine Doppelgelenksanordnung gebildet wird, bei der die Erweiterungsdüse gegenüber dem Sauganschlussstutzen um zwei voneinander beabstandete, parallele und in der Querrichtung verlaufende Schwenkachsen beweglich verbunden ist.The suction connector is particularly preferably movably arranged on the nozzle body by means of a joint arrangement. The suction connector is pivoted about at least one axis to enable control of the vacuum cleaner nozzle and / or adaptation to the floor. In a particularly preferred embodiment, the vacuum cleaner nozzle arrangement further comprises an alternative vacuum cleaner nozzle, which can be connected alternatively to the receptacle of the first expansion nozzle and / or the receptacle of the second expansion nozzle. The alternative vacuum cleaner nozzle can have additional suction openings, which are not included the receptacle can be coupled, and / or have support elements. For example, it is possible to design the alternative vacuum cleaner nozzle in such a way that in the context of suction configurations in connection with the first extension nozzle or the second extension nozzle, a double-joint arrangement is formed, in which the extension nozzle is movable relative to the suction connection piece around two mutually spaced, parallel and transverse pivot axes connected is.

In einer weiteren bevorzugten Ausgestaltung weist die alternative Staubsaugerdüse einen zu der Staubsaugerdüse identischen Düsenkörper und einen abweichenden Sauganschlussstutzen und/oder eine abweichende Gelenkanordnung zur Verbindung des Sauganschlussstutzens an dem Düsenkörper auf. Durch entsprechend abgestimmte Sauganschlussstutzen und/oder Gelenkanordnungen lässt sich die erfindungsgemäße Staubsaugerdüsenanordnung besonders einfach für Anwendungen mit unterschiedlicher Steuerbarkeit der Saugkonfigurationen anpassen. Ebenso lassen sich dieselben Erweiterungsdüsen problemlos mit verschiedenen Formaten der Saugluftführung - beispielsweise unterschiedlichen Rohrdurchmessern eines Saugrohrs - einsetzen. Die alternative Staubsaugerdüse fungiert mit ihrer abweichenden Ausgestaltung des Sauganschlussstutzens gleichzeitig als Adapter. Dies erleichtert den Einsatz im professionellen Bereich, wo nebeneinander Staubsauggeräte unterschiedlicher Hersteller und Modelle zum Einsatz kommen.In a further preferred embodiment, the alternative vacuum cleaner nozzle has a nozzle body which is identical to the vacuum cleaner nozzle and a different suction connection piece and / or a different joint arrangement for connecting the suction connection piece to the nozzle body. The vacuum cleaner nozzle arrangement according to the invention can be adapted particularly easily for applications with different controllability of the suction configurations by means of correspondingly coordinated suction connection pieces and / or articulated arrangements. Likewise, the same extension nozzles can be used with different suction air routing formats - for example, different pipe diameters of a suction pipe. The alternative vacuum cleaner nozzle also functions as an adapter with its different design of the suction connector. This makes it easier to use in the professional area, where vacuum cleaners from different manufacturers and models are used side by side.

Die Erfindung wird nachfolgend anhand von lediglich Ausführungsbeispiel darstellenden Figuren erläutert. Das zeigen schematisch:

Fig. 1
Eine Oberansicht einer erfindungsgemäßen Staubsaugerdüsenanordnung,
Fig. 2
eine zweite, im Rahmen der erfindungsgemäßen Staubsaugerdüsenanordnung gebildete Saugkonfiguration,
Fig. 3
eine dritte, im Rahmen der Erfindung gebildete Saugkonfiguration,
Fig. 4A
eine Unteransicht der Staubsaugerdüse aus Fig. 1,
Fig. 4B
eine Unteransicht der dritten Saugkonfiguration aus Fig. 3 und
Fig. 5
eine zweite Saugkonfiguration entsprechend Fig. 2 mit einer alternativen Staubsaugerdüse.
The invention is explained below with reference to figures which merely illustrate exemplary embodiments. This shows schematically:
Fig. 1
A top view of a vacuum cleaner nozzle arrangement according to the invention,
Fig. 2
a second suction configuration formed within the scope of the vacuum cleaner nozzle arrangement according to the invention,
Fig. 3
a third suction configuration formed within the scope of the invention,
Figure 4A
a bottom view of the vacuum cleaner nozzle Fig. 1 ,
Figure 4B
a bottom view of the third suction configuration Fig. 3 and
Fig. 5
a second suction configuration accordingly Fig. 2 with an alternative vacuum cleaner nozzle.

In der Fig. 1 sind die einzelnen Teile der erfindungsgemäßen Staubsaugeranordnung nebeneinander dargestellt. Die Staubsaugerdüsenanordnung umfasst eine Staubsaugerdüse 1 mit einem Düsenkörper 2 und einem daran unterseitig, in der Darstellung nicht sichtbaren und mit einem Saugkanal 17 verbundenen Saugmund 16, welcher in einer Querrichtung x eine erste Arbeitsbreite a1 definiert. In der Arbeitsrichtung y rückwärtig schließt an den Düsenkörper 2 ein Sauganschlussstutzen 3 an. Der Sauganschlussstutzen ist dabei um eine paralle zur Arbeitsrichtung y verlaufende Schwenkachse drehbar an dem Düsenkörper 2 befestigt.In the Fig. 1 the individual parts of the vacuum cleaner arrangement according to the invention are shown side by side. The vacuum cleaner nozzle arrangement comprises a vacuum cleaner nozzle 1 with a nozzle body 2 and a suction mouth 16 on the underside thereof, not visible in the illustration and connected to a suction channel 17, which defines a first working width a 1 in a transverse direction x. In the working direction y, a suction connection piece 3 connects to the nozzle body 2. The suction connection piece is fastened to the nozzle body 2 so that it can rotate about a pivot axis running parallel to the working direction y.

Weiterhin dargestellt ist eine erste Erweiterungsdüse 4, welche einen ersten Erweiterungskörper 5 mit einem daran unterseitig angeordneten und in einem Saugkanal 6 mündenden Saugmund 7 aufweist. Der Saugmund 7 definiert in der Querrichtung x verlaufende Arbeitsbreite a2, welche gegenüber der ersten Arbeitsbreite a1 vergrößert ist. An der Oberseite des ersten Erweiterungskörpers 5 ist eine Aufnahme 8 zur Verbindung mit der Staubsaugerdüse 1 vorgesehen. Die Aufnahme ist so ausgebildet, dass die Staubsaugerdüse 1 darin in Arbeitsrichtung y und in der Querrichtung x formschlüssig gehalten wird. Dabei wird die Staubsaugerdüse 1 von der Aufnahme 8 an drei Seiten umlaufend umschlossen. Bei der in die Aufnahme 8 eingesetzte Staubsaugerdüse ist der Saugkanal 6 des ersten Erweiterungskörpers 5 an den Saugmund der Staubsaugerdüse 1 angeschlossen.Also shown is a first expansion nozzle 4, which has a first expansion body 5 with a suction mouth 7 arranged on the underside thereof and opening into a suction channel 6. The suction mouth 7 defines the working width a 2 extending in the transverse direction x, which is enlarged compared to the first working width a 1 . At the top of the first extension body 5, a receptacle 8 is provided for connection to the vacuum cleaner nozzle 1. The receptacle is designed so that the vacuum cleaner nozzle 1 is held in a form-fitting manner in the working direction y and in the transverse direction x. The vacuum cleaner nozzle 1 is encircled by the receptacle 8 on three sides. In the case of the vacuum cleaner nozzle inserted into the receptacle 8, the suction channel 6 of the first extension body 5 is connected to the suction mouth of the vacuum cleaner nozzle 1.

Zur Befestigung in vertikaler Richtung ist an der einen Schmalseite der Aufnahme 8 ein Überhang 9 vorgesehen, welcher von einer Schmalseite der Staubsaugerdüse 1 hintergriffen werden kann. An der gegenüberliegenden zweiten Schmalseite der Aufnahme 8 ist ein Rastelement 10 vorgesehen, durch welches die zweite Schmalseite der Staubsaugerdüse 1 in der Aufnahme arretierbar ist. Im verbundenen Zustand hält das Rastelement 10 die Staubsaugerdüse 1 durch Formschluss innerhalb der Aufnahme 8. Das Rastelement 10 kann durch ein als Fußdruckschalter 11 ausgebildetes Schaltelement entriegelt werden.For fastening in the vertical direction, an overhang 9 is provided on one narrow side of the receptacle 8, which can be gripped behind by a narrow side of the vacuum cleaner nozzle 1. On the opposite second narrow side of the receptacle 8, a latching element 10 is provided, by means of which the second narrow side of the vacuum cleaner nozzle 1 can be locked in the receptacle. In the connected state, the latching element 10 holds the vacuum cleaner nozzle 1 by positive locking within the receptacle 8. The latching element 10 can be unlocked by a switching element designed as a foot pressure switch 11.

Erfindungsgemäß weist die Staubsaugerdüsenanordnung weiterhin eine zweite Erweiterungsdüse 12 mit einem zweiten Erweiterungskörper 13 und einem daran unterseitig angeordneten und mit einem Saugkanal 14 verbundenen Saugmund 15 auf. Die Abmessung des zweiten Erweiterungskörpers 13 unterscheidet sich von dem ersten Erweiterungskörper 5 dergestalt, dass der Saugmund 15 eine gegenüber der zweiten Arbeitsbreite a2 vergrößerte dritte Arbeitsbreite a3 definiert. Sowohl die Staubsaugerdüse 1 als auch die erste Erweiterungsdüse 4 als auch die zweite Erweiterungsdüse 12 weisen in der Querrichtung x eine größere Erstreckung als in der Arbeitsrichtung y auf.According to the invention, the vacuum cleaner nozzle arrangement furthermore has a second expansion nozzle 12 with a second expansion body 13 and a suction mouth 15 arranged on the underside thereof and connected to a suction channel 14. The dimension of the second extension body 13 differs from the first extension body 5 in such a way that the suction mouth 15 defines a third working width a 3 that is larger than the second working width a 2 . Both the vacuum cleaner nozzle 1 and the first extension nozzle 4 and also the second extension nozzle 12 have a greater extent in the transverse direction x than in the working direction y.

An der Oberseite des zweiten Erweiterungskörpers 13 ist ebenfalls eine Aufnahme 8' angeordnet, welche im Vergleich zur Aufnahme 8 der ersten Erweiterungsdüse 4 identisch ausgebildet ist. Die Festlegung der Staubsaugerdüse in horizontaler Richtung erfolgt ebenfalls durch Formschluss. Die Festlegung in vertikaler Richtung durch einen Überhang 9' sowie ein durch ein Schaltelement 11' entriegelbares Rastelement 10'.On the upper side of the second extension body 13 there is also a receptacle 8 ′, which is identical to the receptacle 8 of the first extension nozzle 4. The vacuum cleaner nozzle is also fixed in the horizontal direction by positive locking. The fixing in the vertical direction by an overhang 9 'and a locking element 10' which can be unlocked by a switching element 11 '.

Die in Fig. 1 dargestellte Staubsaugerdüse 1 kann im Rahmen einer ersten Saugkonfiguration ohne weitere Anbauteile verwendet und direkt an eine Saugluftführung mittels des Anschlussstutzens 3 angeschlossen werden.In the Fig. 1 The vacuum cleaner nozzle 1 shown can be used in the context of a first suction configuration without additional attachments and can be connected directly to a suction air duct by means of the connecting piece 3.

Fig. 2 zeigt eine zweite Saugkonfiguration, bei der die Staubsaugerdüse 1 mit ihrem Düsenkörper 2 in die Aufnahme 8 des ersten Erweiterungskörpers 5 der Erweiterungsdüse 4 eingesetzt ist. Dabei sind die Staubsaugerdüse 1 und die erste Erweiterungsdüse 4 durch Formschluss fest miteinander und wieder lösbar arretiert und bilden eine gemeinsame Einheit. Fig. 2 shows a second suction configuration, in which the vacuum cleaner nozzle 1 is inserted with its nozzle body 2 into the receptacle 8 of the first extension body 5 of the extension nozzle 4. The vacuum cleaner nozzle 1 and the first extension nozzle 4 are firmly locked to one another and releasably by positive locking and form a common unit.

In Fig. 3 ist in entsprechenderweise die dritte Saugkonfiguration dargestellt: Hierbei ist die Staubsaugerdüse 1 mit ihrem Düsenkörper 2 in die Aufnahme 8' des zweiten Erweiterungskörpers 13 der zweiten Erweiterungsdüse 12 eingesetzt. Hierdurch wird eine statische Staubsaugerdüse besonders großer Arbeitsbreite a3 gebildet.In Fig. 3 the third suction configuration is shown in a corresponding manner: Here, the vacuum cleaner nozzle 1 with its nozzle body 2 is inserted into the receptacle 8 'of the second extension body 13 of the second extension nozzle 12. As a result, a static vacuum cleaner nozzle of particularly large working width a 3 is formed.

In den Figuren 4A und 4B sind die Unterseiten der Staubsaugerdüse 1 und exemplarisch der zweiten Erweiterungsdüse 12 dargestellt. An dem Saugmund 16 der Staubsaugerdüse 1 schließt vorderseitig und rückseitig in der Arbeitsrichtung y jeweils ein Fadenheberstreifen 18 an. Die Staubsaugerdüse 1 ist somit insbesondere als Polsterdüse einsetzbar.In the Figures 4A and 4B the undersides of the vacuum cleaner nozzle 1 and, by way of example, the second extension nozzle 12 are shown. A thread lifter strip 18 connects to the suction mouth 16 of the vacuum cleaner nozzle 1 on the front and rear in the working direction y. The vacuum cleaner nozzle 1 can thus be used in particular as an upholstery nozzle.

In Fig. 4B erkennt man, dass unterseitig an der zweiten Erweiterungsdüse 12 zwei Laufrollen 19 angeordnet sind. Durch diese kann ein geeigneter Bodenabstand beim Betrieb auf Hartböden erreicht werden. Weiterhin schließen an den Saugmund 15 vorderseitig und rückseitig jeweils eine Borstenleiste 20 an. Die in Arbeitsrichtung vorderseitige Borstenleiste weist dabei Unterbrechungen zum Durchtritt von Grobschmutz auf.In Figure 4B it can be seen that two rollers 19 are arranged on the underside of the second expansion nozzle 12. These allow a suitable floor clearance to be achieved when operating on hard floors. Furthermore, a bristle strip 20 each adjoins the suction mouth 15 on the front and rear. The bristle strip on the front in the working direction has interruptions for the passage of coarse dirt.

In Fig. 5 ist eine weitere Ausführungsform angedeutet. Hierbei ist mit der ersten Erweiterungsdüse 4 eine Alternative Staubsaugerdüse 21 verbunden. Diese weist einen im Vergleich zum Düsenkörper 2 der Staubsaugerdüse 1 identischen Düsenkörper 2' auf. Daran schließt rückwärtig ein alternativer Sauganschlussstutzen 3' an, welcher sich von dem ersten Sauganschlussstutzen 3 unterscheidet.In Fig. 5 a further embodiment is indicated. Here, an alternative vacuum cleaner nozzle 21 is connected to the first expansion nozzle 4. This has a nozzle body 2 ′ that is identical to that of the nozzle body 2 of the vacuum cleaner nozzle 1. This is followed at the rear by an alternative suction connection 3 ', which differs from the first suction connection 3.

Claims (14)

  1. A vacuum cleaner nozzle assembly comprising a vacuum cleaner nozzle (1) extending an operating direction (y) and in a transverse direction (x) perpendicular thereto, for forming a first suction configuration with a nozzle body (2), a suction mouth (16), which is arranged thereon on the bottom side and is connected to a suction duct (17), and which defines a first operating width (a1) in the transverse direction (x), and a suction connecting piece (3) for connecting the suction duct (17) to a suction airflow, further comprising a first expansion nozzle (4) for forming a second suction configuration with a first expansion body (5), a suction mouth (7), which is arranged thereon on the bottom side and is connected to a suction duct (6), and which defines a second operating width (a2) in the transverse direction (x), which is enlarged as compared to the first operating width (a1), and an accommodation (8) for connection to the vacuum cleaner nozzle (1), wherein the suction duct (6) of the first expansion body (4) can be connected to the suction mouth (16) of the vacuum cleaner nozzle (1), characterized by a second expansion nozzle (12) for forming a third suction configuration with a second expansion body (13), the dimensions of which differ from the first expansion body (5), a suction mouth (15), which is arranged thereon on the bottom side and which is connected to a suction duct (14), and an accommodation (8') for connection to the vacuum cleaner nozzle (1), wherein the suction duct (14) of the second expansion body (13) can be connected to the suction mouth (16) of the vacuum cleaner nozzle (1).
  2. The vacuum cleaner nozzle assembly according to claim 1, characterized in that the dimensions of the second expansion body (13) differ from the first expansion body (5) in such a way that, in the transverse direction (x), the suction mouth (15) of the second expansion body (13) defines a third operating width (a3), which is enlarged as compared to the second operating width (a2).
  3. The vacuum cleaner nozzle assembly according to claim 1 or 2, characterized in that the vacuum cleaner nozzle (1) has a larger extension in the transverse direction (x) than in the operating direction (y).
  4. The vacuum cleaner nozzle assembly according to one of claims 1 to 3, characterized in that the accommodation (8) of the first expansion nozzle (4) and the accommodation (8') of the second expansion nozzle (12) are embodied identically.
  5. The vacuum cleaner nozzle assembly according to one of claims 1 to 4, characterized in that the accommodation (8) of the first expansion nozzle (4) and/or the accommodation (8') of the second expansion nozzle (12) encloses the vacuum cleaner nozzle (1) in the connected state in the transverse direction (x) and in the operating direction (y) in a positive manner, in particular circumferentially.
  6. The vacuum cleaner nozzle assembly according to one of claims 1 to 5, characterized in that the vacuum cleaner nozzle (1) is locked in the accommodation (8) of the first expansion nozzle (4) and/or in the accommodation (8') of the second expansion nozzle (12) in the vertical direction (2) by means of a latching connection (10).
  7. The vacuum cleaner nozzle assembly according to claim 6, characterized in that the nozzle body (2) of the vacuum cleaner nozzle (1) is limited in the transverse direction (x) by means of a first narrow side and an opposite second narrow side, that the nozzle body (2) engages with a first narrow side behind a projection (9) of the accommodation (8, 8') of the first expansion nozzle (4) or of the second expansion nozzle (12) for locking in the vertical direction (2), and that the nozzle body (2) can be locked on the second narrow side by means of a latching element (10) arranged on the accommodation (8, 8').
  8. The vacuum cleaner nozzle assembly according to claim 7, characterized in that the latching element (10) can be unlocked by means of a switching element (11), in particular by means of a foot-operated push switch.
  9. The vacuum cleaner nozzle assembly according to one of the claims 1 to 8, characterized in that a thread lifter (18) is arranged on the vacuum cleaner nozzle (1).
  10. The vacuum cleaner nozzle assembly according to one of claims 1 to 9, characterized in that at least one sealing and/or support element (20) is arranged on the first expansion nozzle (4) and/or on the second expansion nozzle (12).
  11. The vacuum cleaner nozzle assembly according to one of claims 1 to 10, characterized in that at least one roller (19) is arranged on the first expansion nozzle (4) and/or on the second expansion nozzle (12).
  12. The vacuum cleaner nozzle assembly according to one of claims 1 to 11, characterized in that the suction connecting piece (3) is arranged on the nozzle body (2) so as to be moveable by means of a joint assembly.
  13. The vacuum cleaner nozzle assembly according to one of claims 1 to 12, characterized in that the vacuum cleaner nozzle assembly further comprises an alternative vacuum cleaner nozzle (21), which can likewise be alternatively connected to the accommodation (8) of the first expansion nozzle (4) or to the accommodation (8') of the second expansion nozzle (12).
  14. The vacuum cleaner nozzle assembly according to claim 13, characterized in that the alternative vacuum cleaner nozzle (21) has a nozzle body (2'), which is identical to the vacuum cleaner nozzle (1), and a different suction connecting piece (3') and/or a different joint assembly.
EP17204720.1A 2017-11-30 2017-11-30 Click nozzle Active EP3491988B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP17204720.1A EP3491988B1 (en) 2017-11-30 2017-11-30 Click nozzle
US16/199,404 US11019969B2 (en) 2017-11-30 2018-11-26 Convertible vacuum-cleaner nozzle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17204720.1A EP3491988B1 (en) 2017-11-30 2017-11-30 Click nozzle

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Publication Number Publication Date
EP3491988A1 EP3491988A1 (en) 2019-06-05
EP3491988B1 true EP3491988B1 (en) 2020-03-18

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EP17204720.1A Active EP3491988B1 (en) 2017-11-30 2017-11-30 Click nozzle

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US (1) US11019969B2 (en)
EP (1) EP3491988B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11122945B2 (en) * 2017-12-04 2021-09-21 Transform Sr Brands Llc Two-in-one upright vacuum
DE102022126121A1 (en) 2022-07-22 2024-01-25 Wessel-Werk Gmbh Vacuum cleaner nozzle arrangement
EP4309556A1 (en) 2022-07-22 2024-01-24 Wessel-Werk GmbH Vacuum cleaner nozzle assembly
US12016514B1 (en) * 2022-11-10 2024-06-25 Marc Smith Vacuum cleaner head

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US1770668A (en) * 1926-11-24 1930-07-15 P A Geier Co Removable-brush attachment
US2658228A (en) * 1950-04-22 1953-11-10 Lewyt Corp Vacuum cleaner nozzle
DE1058712B (en) * 1952-10-27 1959-06-04 Siemens Elektrogeraete Gmbh Device for attaching a polishing brush to a vacuum cleaner nozzle
EP1364608B1 (en) 2002-05-22 2012-03-28 Panasonic Corporation Vaccum cleaner and suction nozzle employed therein
US20050022336A1 (en) * 2003-07-31 2005-02-03 Overvaag Chad D. Cleaning tool assembly
DE102010030731B4 (en) * 2010-06-30 2012-02-23 BSH Bosch und Siemens Hausgeräte GmbH vacuum cleaner nozzle
JP5849236B2 (en) 2010-11-01 2016-01-27 パナソニックIpマネジメント株式会社 Vacuum cleaner suction tool and vacuum cleaner using the same
TWI653960B (en) * 2015-08-31 2019-03-21 Lg電子股份有限公司 Cleaning robot

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Publication number Publication date
EP3491988A1 (en) 2019-06-05
US11019969B2 (en) 2021-06-01
US20190159641A1 (en) 2019-05-30

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