EP3636125A1 - Vacuum cleaner floor nozzle assembly - Google Patents

Vacuum cleaner floor nozzle assembly Download PDF

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Publication number
EP3636125A1
EP3636125A1 EP19194940.3A EP19194940A EP3636125A1 EP 3636125 A1 EP3636125 A1 EP 3636125A1 EP 19194940 A EP19194940 A EP 19194940A EP 3636125 A1 EP3636125 A1 EP 3636125A1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
floor nozzle
cleaner floor
suction mouth
suction
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.)
Granted
Application number
EP19194940.3A
Other languages
German (de)
French (fr)
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EP3636125B1 (en
Inventor
Martin Zydek
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
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Wessel Werk GmbH
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Publication date
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Publication of EP3636125A1 publication Critical patent/EP3636125A1/en
Application granted granted Critical
Publication of EP3636125B1 publication Critical patent/EP3636125B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0666—Nozzles with fixed, e.g. adjustably fixed brushes or the like with tilting, floating or similarly arranged brushes, combs, lips or pads
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0633—Nozzles with fixed, e.g. adjustably fixed brushes or the like with retractable brushes, combs, lips or pads
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0673—Nozzles with fixed, e.g. adjustably fixed brushes or the like with removable brushes, combs, lips or pads
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/02—Nozzles
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/068—Nozzles combined with a different cleaning side, e.g. duplex nozzles or dual purpose nozzles

Definitions

  • the invention relates to a vacuum cleaner floor nozzle arrangement comprising a housing with a suction duct connected to a suction air duct and a first lower part arranged on the underside of the housing and a first sliding sole and a suction mouth connected to the suction duct.
  • Vacuum cleaner floor nozzles are in contact with a floor surface to be cleaned and direct a suction air stream entering the system of the vacuum cleaner. As a result, they are largely responsible for the cleaning effect, since the local flow and pressure conditions are decisive for the amount of dirt that can be removed with the suction air flow. Special configurations of the vacuum cleaner nozzle can also promote the detachment of dirt adhering to the floor surface.
  • the floor surfaces to be cleaned by vacuum cleaners have very different properties. Dry cleaning using household vacuum cleaners is particularly common with smooth hard floors (e.g. parquet, plastic coverings, etc.), grooved hard floors (e.g. tiles) and different hardnesses of textile floor coverings. Even within the textile floor coverings there are different properties with regard to compressibility and air permeability, for example between short and long pile carpets. To achieve an optimal cleaning result, it is therefore always necessary to adapt the vacuum cleaner floor nozzle to the specific floor covering. This applies in particular if - for example due to energy saving regulations or if the vacuum cleaner is portable, only a low suction power is available.
  • vacuum cleaner floor nozzles have become increasingly specialized in types and subtypes of flooring in the past.
  • vacuum cleaner floor nozzles it is known to design vacuum cleaner floor nozzles to be adjustable between different functional positions by means of movable functional groups. For example, sealing and / or supporting elements can be moved into lowered or raised positions in order to control the contact with the floor of the vacuum cleaner floor nozzle and at the same time to shape the inflowing suction air flow.
  • the adjustment options with regard to the shape of the suction mouth are very limited or can only be implemented with disproportionate technical effort.
  • Another possibility is to keep different, essentially non-adjustable, types of vacuum cleaner nozzles available for different application scenarios.
  • a particularly good adaptation to the respective specialized application is possible.
  • the shape of the entire nozzle body, the suction mouth and the underside can be varied widely with various vacuum cleaner nozzles.
  • the disadvantage here is that the cost of materials and production increases considerably with various vacuum cleaner nozzles.
  • the different nozzles must also be stored by the user and carried along in case of use, so that a need-based exchange can take place.
  • the object of the invention is to enable an improved adaptation of a vacuum cleaner floor nozzle to different types of floor covering.
  • the material and space efficiency should be preserved.
  • the first lower part is detachably connected to the housing to form a vacuum cleaner floor nozzle in a first configuration.
  • the vacuum cleaner floor nozzle arrangement also has a second lower part with a second sliding sole and with a second suction mouth.
  • the second lower part has a different geometry than the first lower part and can be detachably fastened to the housing in a second configuration in exchange for the first lower part, forming a vacuum cleaner floor nozzle.
  • the second suction mouth is connected to the suction channel.
  • the respective suction mouth and the respective sliding sole are part of the corresponding lower part.
  • the first or second lower part can essentially be designed as a molded part, in which at least part of the underside forms the corresponding sliding sole and the corresponding suction mouth is formed by an opening on the underside.
  • the molded part can in particular be produced in one piece, for example by injection molding. Attachments, such as thread lifters in particular, can be provided on the molded part.
  • the vacuum cleaner floor nozzle arrangement according to the invention delivers considerable added value.
  • the vacuum cleaner floor nozzle arrangement according to the invention is intended in particular for dry cleaning.
  • the first sliding sole of the first lower part and / or the second sliding sole of the second lower part have a sliding slope arranged in the working direction in front of the suction mouth and a sliding slope arranged in the working direction behind the suction mouth.
  • the shape, position and shape of these can then be varied in a particularly simple manner by exchanging the first lower part for the second lower part.
  • the sliding slope of the first lower part and / or the second lower part preferably has a width of at least 15 mm and is inclined at an angle between 5 ° and 15 ° with respect to the horizontal.
  • the sliding slope of the first lower part and / or the second lower part expediently has a width of at least 25 mm and is inclined at an angle between 3 ° and 10 ° with respect to the horizontal.
  • the first lower part makes up at least 50% of the area of the underside of the vacuum cleaner floor nozzle in the first configuration and / or the second lower part at least 50% of the vacuum cleaner floor nozzle according to the second configuration. Because at least half of the underside is interchangeable, a particularly extensive redesign of the nozzle body, in particular its underside, can be achieved with simple means.
  • the first lower part and / or the second lower part preferably makes up at least 90%, in particular at least 95%, very preferably essentially the entire underside of the vacuum cleaner floor nozzle.
  • An overlapping edge of the housing and areas with lowerable sealing and / or supporting elements can be disregarded here. The larger the exchanged area on the underside of the housing, the greater the freedom of design and the possibility of adapting the vacuum cleaner floor nozzle in the first or second configuration.
  • the suction mouth makes up a maximum of half, preferably a maximum of 30 to 45% of the area of the underside of the first lower part and / or the second lower part.
  • the lower part should therefore expressly also have other essential functional units such as a sliding area and / or separate supporting elements.
  • the suction mouth of the first lower part has a larger cross-sectional area than the suction mouth of the second lower part.
  • the suction force effect can be concentrated on a smaller area with a smaller cross section, whereby higher flow velocities also occur. This is particularly advantageous when used on particularly long-pile carpets so that the suction air flow can penetrate deeply into the textile material.
  • a smaller suction mouth leaves a larger one Support suitable sliding surface on the lower part, so that the vacuum cleaner floor nozzle formed sinks less deeply into the softer long pile carpet.
  • the cross-sectional area of the first suction mouth and the cross-sectional area of the second suction mouth are the same size. Then the two lower parts can differ in particular by the shape and / or positioning of the suction mouth. As a result, suction properties that are very individually adapted to the respective application can be provided.
  • a rotatably supported support element in particular an impeller or a roller, can be arranged on the first lower part and / or on the second lower part.
  • This support element is, in particular, not designed to be displaceable relative to the lower part, so that constant support is provided on hard floors.
  • the first and the second lower part can preferably each be fastened to the housing by locking elements.
  • the fastening is provided on one side by positive locking, so that a fastening element only has to be provided on an opposite side.
  • the fastener can be arranged on the respective lower parts but also on the housing.
  • latching connections, locking slides and / or rotary locking elements come into consideration as releasable fastening elements.
  • the latter can be formed in particular by screws and / or rotating bayonet locks.
  • the locking elements can in particular be operated without tools. This means that they can be loosened or closed with bare hands or with the help of simple tools such as a coin.
  • a suction space arranged above the suction mouth with a central opening is preferably provided on the corresponding lower part.
  • the suction channel preferably has a receiving area into which the lower part projects with an associated connecting piece.
  • a safe air flow can be guaranteed without the need for sealing, which is optionally possible, by means of sealing means.
  • the invention also relates to a vacuum cleaner comprising a housing with a blower arranged therein for generating a suction air flow and a dirt collecting space for separating dirt particles carried in the suction air flow.
  • a previously described housing is connected to a suction air duct connected to the dirt collecting space and can alternatively be used to attach at least two lower parts to form a suction mouth and a sliding sole.
  • the Fig. 1 shows in the bottom view a first suction configuration formed in the context of an embodiment of a vacuum cleaner floor nozzle arrangement according to the invention.
  • a housing 1 is provided, which is provided by means of a suction connection piece 2 arranged in the rear area for connecting an internally arranged suction channel 3 to the suction air duct of a vacuum cleaner.
  • a first lower part 4a is arranged, which has a first sliding sole 5a and a first suction mouth 6a connected to the suction channel 3.
  • Bristle strips 7 are provided in the sliding sole 5a in front of and behind the suction mouth 6a as thread lifters.
  • the vacuum cleaner floor nozzle extends essentially in a working direction x and in a transverse direction y.
  • the first lower part 4a in the region of the sliding sole 5a has both a sliding slope arranged in the working direction x in front of the suction mouth 6a and a sliding slope arranged in the working direction x behind the suction mouth 6a.
  • the width a 1 of the sliding slope in the working direction x is at least 15 mm
  • the width b 1 of the sliding slope in the working direction x is at least 25 mm.
  • Both the slip bevel and the slip bevel are essentially flat, whereby they are inclined by an angle between 5 ° and 15 ° or between 3 ° and 10 ° with respect to a horizontal defined by the front and rear edge of the suction mouth 6a.
  • a brush strip 8 which is adjustable relative to the housing 1 is arranged. This serves to adjust the vacuum cleaner floor nozzle according to the first configuration shown between a carpet position with the brush strip raised and a smooth floor position with the brush strip lowered.
  • a roller 9 is arranged in the region of the sliding slope of the lower part 4a.
  • the lower part 4a is detachable, in particular detachable without tools, connected to the housing.
  • the lower part 4a engages in recesses of the housing 1 which are assigned to projections in the front in the working direction x and in the area in the rear in the working direction x within the sliding slope, two detachable locking elements 10 are also provided. These can fasten the lower part 4a to the housing 1 by means of a rotational movement or loosen them again by rotating them in the opposite direction.
  • wide slots are provided on the locking elements, which can be operated using simple aids - for example a coin.
  • Fig. 2a and 2 B shows a second lower part 4b which completes the vacuum cleaner nozzle arrangement according to the invention.
  • the geometry of the suction mouth 6b and also the geometry of the sliding sole 5b differ from that of the first lower part 4a. While the x measured width a 2 of the slide-on slope approximately corresponds to the width a 1 of the first lower part 4a, the slide-off slope in the shown second lower part 4b with a width b 2 is somewhat longer.
  • the suction mouth 6b is also formed with a smaller width c 2 than the width c 1 of the first lower part 4a.
  • the suction mouth 6b of the second lower part 4b has a significantly reduced cross-sectional area compared to the first suction mouth 6a.
  • a further comparative analysis reveals that the first suction mouth 6a is designed with a circumferential, continuous suction mouth edge in one plane.
  • the second suction mouth 6b is designed to be open at the edges for side suction. In conjunction with the downward opening area of the second suction mouth 6b, the side suction is additionally forced here.
  • the locking elements 10 of the second lower part 4b are essentially identical to those of the first lower part 4a. However, in the exemplary embodiment shown, they are arranged offset both in the working direction x and in the transverse direction y.
  • the position of the locking elements 10 in the design of different lower parts 4a, 4b can be selected so that they interfere as little as possible with the function and positioning of both the suction mouth 6a, 6b and the sliding sole 5a, 5b.
  • the housing 1 For attachment to a single housing 1, the housing 1 must accordingly have a plurality of receiving elements for interaction with the locking elements 10 at different lateral positions. At least one channel-shaped receiving element is also conceivable, for example, in which the locking elements can engage along any positions that are displaced in the longitudinal direction.
  • FIG. 2B The rear view shown shows details of the attachment of the second lower part 4b to the housing. These also represent the facts of the first lower part 4a.
  • Retaining tabs 11 are provided on the front end of the lower part 4b in the working direction x, which engage in associated recesses in the housing, not shown in the figures.
  • the lower part 4b is axially inserted and / or pivoted into the recesses.
  • the locking elements 10 are provided in the rear area, the fastening sections of which, as shown, are of helical design. By means of a rotary movement, the locking elements 10 can be fastened in an associated receptacle with an internal thread or in a profiled groove.
  • a suction mouth with a central opening 12 is provided in the rear area of the suction mouth 6b, which corresponds to the dimensions of the suction channel 3.
  • the opening has a greater extension in the working direction than the suction mouth 6b.
  • the edge of the opening 12 is provided with a step which connects to the suction channel 3 in a form-fitting manner.

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

Abstract

Die Erfindung betrifft eine Staubsaugerbodendüsenanordnung umfassend ein Gehäuse (1) mit einem an eine Saugluftführung angeschlossenen Saugkanal (3) und ein erstes unterseitig an dem Gehäuse (1) angeordnetes und eine erste Gleitsohle (5a) sowie ein mit dem Saugkanal (3) verbundenen Saugmund (6a) aufweisendes Unterteil (4a). Erfindungsgemäß ist das erste Unterteil (4a) mit dem Gehäuse (1) zur Bildung einer Staubsaugerbodendüse in einer ersten Konfiguration lösbar verbunden. Die Staubsaugerbodendüsenanordnung umfasst ferner ein zweites Unterteil (4b) mit einer zweiten Gleitsohle (5b) und mit einem Saugmund (6b). Das zweite Unterteil (4b) weist gegenüber dem ersten Unterteil (4a) eine abweichende Geometrie auf und ist im Austausch mit dem ersten Unterteil (4a) zur Bildung einer Staubsaugerbodendüse in einer zweiten Konfiguration an dem Gehäuse (1) lösbar befestigbar.The invention relates to a vacuum cleaner floor nozzle arrangement comprising a housing (1) with a suction channel (3) connected to a suction air duct and a first sliding base (5a) arranged on the underside of the housing (1) and a suction mouth (5a) connected to the suction channel (3). 6a) having lower part (4a). According to the invention, the first lower part (4a) is detachably connected to the housing (1) to form a vacuum cleaner floor nozzle in a first configuration. The vacuum cleaner floor nozzle arrangement further comprises a second lower part (4b) with a second sliding sole (5b) and with a suction mouth (6b). The second lower part (4b) has a different geometry than the first lower part (4a) and can be detachably fastened to the housing (1) in a second configuration in exchange for the first lower part (4a) to form a vacuum cleaner floor nozzle.

Description

Die Erfindung betrifft eine Staubsaugerbodendüsenanordnung umfassend ein Gehäuse mit einem an eine Saugluftführung angeschlossenen Saugkanal und ein erstes unterseitig an dem Gehäuse angeordnetes und eine erste Gleitsohle sowie einen mit dem Saugkanal verbundenen Saugmund aufweisendes Unterteil.The invention relates to a vacuum cleaner floor nozzle arrangement comprising a housing with a suction duct connected to a suction air duct and a first lower part arranged on the underside of the housing and a first sliding sole and a suction mouth connected to the suction duct.

Staubsaugerbodendüsen stehen in Kontakt mit einer zu reinigenden Bodenfläche und lenken einen in das System des Staubsaugers eintretenden Saugluftstrom. Hierdurch sind sie im erheblichen Maße mit für die Reinigungswirkung verantwortlich, da die lokalen Strömungs- und Druckverhältnisse maßgeblich für die Menge an Schmutz sind, welcher mit dem Saugluftstrom abgetragen werden kann. Dabei können besondere Ausgestaltungen der Staubsaugerdüse auch die Ablösung von an der Bodenfläche anhaftendem Schmutz befördern.Vacuum cleaner floor nozzles are in contact with a floor surface to be cleaned and direct a suction air stream entering the system of the vacuum cleaner. As a result, they are largely responsible for the cleaning effect, since the local flow and pressure conditions are decisive for the amount of dirt that can be removed with the suction air flow. Special configurations of the vacuum cleaner nozzle can also promote the detachment of dirt adhering to the floor surface.

Die von Staubsaugern zu reinigenden Bodenflächen weisen sehr unterschiedliche Eigenschaften auf. So ist eine Trockenreinigung durch Haushaltsstaubsauger insbesondere bei glatten Hartböden (beispielsweise Parkett, Kunststoffbeläge etc.), gefugten Hartböden (beispielsweise Fliesen) und unterschiedlichen Härtearten von textilen Bodenbelägen üblich. Selbst innerhalb der textilen Bodenbeläge ergeben sich unterschiedliche Eigenschaften bezüglich der Kompressibilität und Luftdurchlässigkeit beispielsweise zwischen kurz- und langflorigen Teppichen. Zur Erzielung eines optimalen Reinigungsergebnisses ist daher auch immer eine Anpassung der Staubsaugerbodendüse an den spezifischen Bodenbelag erforderlich. Dies gilt insbesondere dann, wenn - beispielsweise aufgrund von Energiesparvorschriften oder bei einer Portabilität des Staubsaugers nur eine geringe Saugleistung zur Verfügung steht.The floor surfaces to be cleaned by vacuum cleaners have very different properties. Dry cleaning using household vacuum cleaners is particularly common with smooth hard floors (e.g. parquet, plastic coverings, etc.), grooved hard floors (e.g. tiles) and different hardnesses of textile floor coverings. Even within the textile floor coverings there are different properties with regard to compressibility and air permeability, for example between short and long pile carpets. To achieve an optimal cleaning result, it is therefore always necessary to adapt the vacuum cleaner floor nozzle to the specific floor covering. This applies in particular if - for example due to energy saving regulations or if the vacuum cleaner is portable, only a low suction power is available.

Vor diesem Hintergrund hat sich bei Staubsaugerbodendüsen in der Vergangenheit eine zunehmende Spezialisierung auf Typen und Subtypen des Fußbodenbelags etabliert. Dabei ist es einerseits bekannt, Staubsaugerbodendüsen durch bewegliche Funktionsgruppen zwischen unterschiedlichen Funktionsstellungen verstellbar auszugestalten. Beispielsweise können Dicht- und/oder Stützelemente in abgesenkte bzw. angehobene Positionen verfahren werden, um den Bodenkontakt der Staubsaugerbodendüse zu steuern und gleichzeitig den einströmenden Saugluftstrom zu formen. Die Verstellmöglichkeiten in Bezug auf die Form des Saugmundes sind jedoch sehr begrenzt oder nur mit überproportionalem technischen Aufwand umzusetzen.Against this background, vacuum cleaner floor nozzles have become increasingly specialized in types and subtypes of flooring in the past. On the one hand, it is known to design vacuum cleaner floor nozzles to be adjustable between different functional positions by means of movable functional groups. For example, sealing and / or supporting elements can be moved into lowered or raised positions in order to control the contact with the floor of the vacuum cleaner floor nozzle and at the same time to shape the inflowing suction air flow. The adjustment options with regard to the shape of the suction mouth are very limited or can only be implemented with disproportionate technical effort.

Eine weitere Möglichkeit besteht darin, für verschiedene Einsatzszenarien verschiedene, im Wesentlichen nicht einstellbare, Staubsaugerdüsentypen vorzuhalten. Hierbei ist eine besonders gute Anpassung an den jeweiligen spezialisierten Einsatzzweck möglich. Insbesondere lässt sich bei verschiedenen Staubsaugerdüsen die Form des gesamten Düsenkörpers, des Saugmundes und der Unterseite stark variieren. Hier ist jedoch von Nachteil, dass bei verschiedenen Staubsaugerdüsen der Material- und Produktionsaufwand erheblich ansteigt. Auch müssen die unterschiedlichen Düsen vom Benutzer gelagert und im Benutzungsfall mitgeführt werden, damit ein bedarfsgerechter Austausch erfolgen kann.Another possibility is to keep different, essentially non-adjustable, types of vacuum cleaner nozzles available for different application scenarios. Here, a particularly good adaptation to the respective specialized application is possible. In particular, the shape of the entire nozzle body, the suction mouth and the underside can be varied widely with various vacuum cleaner nozzles. The disadvantage here, however, is that the cost of materials and production increases considerably with various vacuum cleaner nozzles. The different nozzles must also be stored by the user and carried along in case of use, so that a need-based exchange can take place.

Vor diesem Hintergrund liegt der Erfindung die Aufgabe zugrunde, eine verbesserte Anpassung einer Staubsaugerbodendüse an unterschiedliche Fußbodenbelagstypen zu ermöglichen. Hierbei soll insbesondere die Material- und Platzeffizienz gewahrt bleiben.Against this background, the object of the invention is to enable an improved adaptation of a vacuum cleaner floor nozzle to different types of floor covering. In particular, the material and space efficiency should be preserved.

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

Ausgehend von der gattungsgemäßen Staubsaugerbodendüsenanordnung ist das erste Unterteil erfindungsgemäß mit dem Gehäuse zur Bildung einer Staubsaugerbodendüse in einer ersten Konfiguration lösbar verbunden. Die Staubsaugerbodendüsenanordnung weist ferner ein zweites Unterteil mit einer zweiten Gleitsohle und mit einem zweiten Saugmund auf. Das zweite Unterteil weist gegenüber dem ersten Unterteil eine abweichende Geometrie auf und ist im Austausch mit dem ersten Unterteil unter Bildung einer Staubsaugerbodendüse in einer zweiten Konfiguration an dem Gehäuse lösbar befestigbar. Dabei ist der zweite Saugmund mit dem Saugkanal verbunden.Starting from the generic vacuum cleaner floor nozzle arrangement, the first lower part according to the invention is detachably connected to the housing to form a vacuum cleaner floor nozzle in a first configuration. The vacuum cleaner floor nozzle arrangement also has a second lower part with a second sliding sole and with a second suction mouth. The second lower part has a different geometry than the first lower part and can be detachably fastened to the housing in a second configuration in exchange for the first lower part, forming a vacuum cleaner floor nozzle. The second suction mouth is connected to the suction channel.

Der jeweilige Saugmund und die jeweilige Gleitsohle sind dabei Teil des Entsprechenden Unterteils. Insbesondere kann das erste bzw. zweite Unterteil im Wesentlichen als Formteil ausgebildet sein, bei dem zumindest ein Teil der Unterseite die entsprechende Gleitsohle bildet und der entsprechende Saugmund durch eine unterseitige Öffnung gebildet wird. Das Formteil kann insbesondere einstückig -etwa durch Spritzguss- hergestellt sein. An dem Formteil können Anbauteile -wie insbesondere Fadenheber- vorgesehen sein.The respective suction mouth and the respective sliding sole are part of the corresponding lower part. In particular, the first or second lower part can essentially be designed as a molded part, in which at least part of the underside forms the corresponding sliding sole and the corresponding suction mouth is formed by an opening on the underside. The molded part can in particular be produced in one piece, for example by injection molding. Attachments, such as thread lifters in particular, can be provided on the molded part.

Im Rahmen der Erfindung ist es möglich, eine weitgehende Anpassung der Staubsaugergeometrie vorzunehmen, ohne hierbei eine komplette zweite Staubsaugerdüse anfertigen, lagern und mitführen zu müssen. So ist es insbesondere auch bei einem einzigen Staubsaugerdüsengehäuse möglich, Anpassung vorzunehmen, welche sich auf die Geometrie und Ausgestaltung des Saugmundes und der Gleitsohle beziehen. Unterschiede hierbei sind einerseits sehr schwierig durch mechanische Verstellung umzusetzen und andererseits von größerer Bedeutung insbesondere bei der Differenzierung zwischen unterschiedlichen textilen Bodenbelägen. So weist beispielsweise ein kurzfloriger Industrieteppich eine höhere mechanische Tragkraft und geringere Luftdurchlässigkeit als ein hochfloriger Wohnraumteppich auf. Die erfindungsgemäße Lehre ist insbesondere dann von Vorteil, wenn besonders viel unterschiedliche Arten von Bodenbelägen mit höchstmöglicher Effizienz und Gründlichkeit gereinigt werden müssen, wie beispielsweise bei der kommerziellen Gebäudereinigung. Aber auch im privaten Bereich beim Einsatz auf unterschiedlichen Fußbodentypen liefert die erfindungsgemäße Staubsaugerbodendüsenanordnung einen erheblichen Mehrwert. Die erfindungsgemäße Staubsaugerbodendüsenanordnung ist insbesondere für die Trockenreinigung vorgesehen.Within the scope of the invention, it is possible to largely adapt the vacuum cleaner geometry without having to manufacture, store and carry a complete second vacuum cleaner nozzle. It is thus possible, particularly in the case of a single vacuum cleaner nozzle housing, to make adjustments which relate to the geometry and configuration of the suction mouth and the sliding sole. Differences here are very difficult to implement and mechanical adjustment on the other hand, of greater importance especially when differentiating between different textile floor coverings. For example, a short-pile industrial carpet has a higher mechanical load-bearing capacity and less air permeability than a high-pile living area carpet. The teaching according to the invention is particularly advantageous when a particularly large number of different types of floor coverings have to be cleaned with the greatest possible efficiency and thoroughness, such as, for example, in commercial building cleaning. But also in the private sector when used on different types of floors, the vacuum cleaner floor nozzle arrangement according to the invention delivers considerable added value. The vacuum cleaner floor nozzle arrangement according to the invention is intended in particular for dry cleaning.

In einer bevorzugten Ausgestaltung weisen die erste Gleitsohle des ersten Unterteils und/oder die zweite Gleitsohle des zweiten Unterteils eine in der Arbeitsrichtung vor dem Saugmund angeordnete Aufgleitschräge und eine in der Arbeitsrichtung hinter dem Saugmund angeordnete Abgleitschräge auf. Diese können dann besonders einfach in ihrer Ausprägung, Position und Formgebung durch einen Austausch des ersten Unterteils gegen das zweite Unterteil variiert werden.In a preferred embodiment, the first sliding sole of the first lower part and / or the second sliding sole of the second lower part have a sliding slope arranged in the working direction in front of the suction mouth and a sliding slope arranged in the working direction behind the suction mouth. The shape, position and shape of these can then be varied in a particularly simple manner by exchanging the first lower part for the second lower part.

Vorzugsweise weist die Aufgleitschräge des ersten Unterteils und/oder des zweiten Unterteils eine Breite von zumindest 15 mm auf und ist gegenüber der Horizontalen um einen Winkel zwischen 5° und 15° geneigt.The sliding slope of the first lower part and / or the second lower part preferably has a width of at least 15 mm and is inclined at an angle between 5 ° and 15 ° with respect to the horizontal.

Zweckmäßigerweise weist die Abgleitschräge des ersten Unterteils und/oder des zweiten Unterteils eine Breite von zumindest 25 mm auf und ist gegenüber der Horizontalen um einen Winkel zwischen 3° und 10° geneigt.The sliding slope of the first lower part and / or the second lower part expediently has a width of at least 25 mm and is inclined at an angle between 3 ° and 10 ° with respect to the horizontal.

Vorzugsweise macht das erste Unterteil zumindest 50 % der Fläche der Unterseite der Staubsaugerbodendüse in der ersten Konfiguration und/oder das zweite Unterteil zumindest 50 % der Staubsaugerbodendüse gemäß der zweiten Konfiguration auf. Dadurch, dass zumindest die Hälfte der Unterseite austauschbar ist, lässt sich mit einfachen Mitteln eine besonders weitreichende Umgestaltung des Düsenkörpers insbesondere dessen Unterseite erzielen. Vorzugsweise macht das erste Unterteil und/oder das zweite Unterteil zumindest 90 %, insbesondere zumindest 95 %, ganz bevorzugt im Wesentlichen die gesamte Unterseite der Staubsaugerbodendüse aus. Hierbei können ein übergreifender Rand des Gehäuses, sowie Bereiche mit absenkbaren Dicht- und/oder Stützelementen außer Betracht bleiben. Je größer die ausgetauschte Fläche an der Unterseite des Gehäuses ist, desto größer ist die Gestaltungsfreiheit und die Anpassungsmöglichkeit der Staubsaugerbodendüse in der ersten bzw. zweiten Konfiguration.Preferably, the first lower part makes up at least 50% of the area of the underside of the vacuum cleaner floor nozzle in the first configuration and / or the second lower part at least 50% of the vacuum cleaner floor nozzle according to the second configuration. Because at least half of the underside is interchangeable, a particularly extensive redesign of the nozzle body, in particular its underside, can be achieved with simple means. The first lower part and / or the second lower part preferably makes up at least 90%, in particular at least 95%, very preferably essentially the entire underside of the vacuum cleaner floor nozzle. An overlapping edge of the housing and areas with lowerable sealing and / or supporting elements can be disregarded here. The larger the exchanged area on the underside of the housing, the greater the freedom of design and the possibility of adapting the vacuum cleaner floor nozzle in the first or second configuration.

Gemäß einer besonders bevorzugten Ausgestaltung der Erfindung macht der Saugmund maximal die Hälfte, vorzugsweise maximal 30 bis 45 % der Fläche der Unterseite des ersten Unterteils und/oder des zweiten Unterteils aus. Das Unterteil soll somit ausdrücklich auch andere wesentliche Funktionseinheiten wie einen Gleitbereich und/oder eigene separate Abstützelemente aufweist.According to a particularly preferred embodiment of the invention, the suction mouth makes up a maximum of half, preferably a maximum of 30 to 45% of the area of the underside of the first lower part and / or the second lower part. The lower part should therefore expressly also have other essential functional units such as a sliding area and / or separate supporting elements.

In einer besonders bevorzugten Ausgestaltung weist der Saugmund des ersten Unterteils eine größere Querschnittsfläche als der Saugmund des zweiten Unterteils auf. Durch die Variation des freien Strömungsquerschnittes kann die Saugkraft Wirkung bei einem geringeren Querschnitt auf einen kleineren Bereich konzentriert werden, wobei auch höhere Strömungsgeschwindigkeiten auftreten. Dies ist insbesondere bei der Verwendung auf besonders langflorigen Teppichen von Vorteil, damit der Saugluftstrom auch tief in das textile Material eindringen kann. Gleichzeitig belässt ein kleinerer Saugmund eine größere zur Abstützung geeignete Gleitfläche an dem Unterteil, so dass die gebildete Staubsaugerbodendüse in den weicheren Langflor-Teppich weniger tief einsinkt.In a particularly preferred embodiment, the suction mouth of the first lower part has a larger cross-sectional area than the suction mouth of the second lower part. By varying the free flow cross section, the suction force effect can be concentrated on a smaller area with a smaller cross section, whereby higher flow velocities also occur. This is particularly advantageous when used on particularly long-pile carpets so that the suction air flow can penetrate deeply into the textile material. At the same time, a smaller suction mouth leaves a larger one Support suitable sliding surface on the lower part, so that the vacuum cleaner floor nozzle formed sinks less deeply into the softer long pile carpet.

In einer weiteren alternativen Ausgestaltung kann jedoch vorgesehen sein, dass die Querschnittsfläche des ersten Saugmundes und die Querschnittsfläche des zweiten Saugmundes gleich groß sind. Dann können sich die beiden Unterteile insbesondere durch die Form und/oder Positionierung des Saugmundes unterscheiden. Hierdurch können sehr individuell an den jeweiligen Einsatzzweck angepasste Saugeigenschaften bereitgestellt werden.In a further alternative embodiment, however, it can be provided that the cross-sectional area of the first suction mouth and the cross-sectional area of the second suction mouth are the same size. Then the two lower parts can differ in particular by the shape and / or positioning of the suction mouth. As a result, suction properties that are very individually adapted to the respective application can be provided.

Gemäß einer bevorzugten Ausgestaltung der Erfindung kann an dem ersten Unterteil und/oder an dem zweiten Unterteil ein drehbar gehaltenes Abstützelement, insbesondere ein Laufrad oder eine Laufwalze, angeordnet sein. Dieses Abstützelement ist insbesondere gegenüber dem Unterteil nicht verschiebbar ausgebildet, so dass auf Hartböden jeweils eine konstante Abstützung erfolgt. Vorzugsweise kann das erste und das zweite Unterteil jeweils durch Verriegelungselemente an dem Gehäuse befestigt werden. Insbesondere wird die Befestigung dabei einseitig durch Formschluss bereitgestellt, so dass lediglich an einer gegenüberliegenden Seite ein Befestigungselement vorgesehen sein muss.According to a preferred embodiment of the invention, a rotatably supported support element, in particular an impeller or a roller, can be arranged on the first lower part and / or on the second lower part. This support element is, in particular, not designed to be displaceable relative to the lower part, so that constant support is provided on hard floors. The first and the second lower part can preferably each be fastened to the housing by locking elements. In particular, the fastening is provided on one side by positive locking, so that a fastening element only has to be provided on an opposite side.

Das Befestigungselement kann dabei an den jeweiligen Unterteilen aber auch am Gehäuse angeordnet sein.The fastener can be arranged on the respective lower parts but also on the housing.

Insbesondere kommen als lösbare Befestigungselemente Rastverbindungen, Sperrschieber und/oder rotatorische Verriegelungselemente in Betracht. Letztere können insbesondere durch Schrauben und/oder Dreh-Bajonettverschlüsse gebildet sein.In particular, latching connections, locking slides and / or rotary locking elements come into consideration as releasable fastening elements. The latter can be formed in particular by screws and / or rotating bayonet locks.

Die Verriegelungselemente sind insbesondere werkzeuglos bedienbar. Das heißt, sie können mit bloßen Händen oder unter Zuhilfenahme einfacher Hilfsmittel wie beispielsweise einer Münze gelöst oder geschlossen werden.The locking elements can in particular be operated without tools. This means that they can be loosened or closed with bare hands or with the help of simple tools such as a coin.

Zur Verbindung des Saugkanals mit dem an dem ersten Unterteil bzw. an dem zweiten Unterteil angeordneten Saugmund ist vorzugsweise an dem entsprechenden Unterteil ein oberhalb des Saugmundes angeordneter Saugraum mit einer zentralen Öffnung vorgesehen. Beim Verbinden des entsprechenden Unterteils mit dem Gehäuse wird die Öffnung mit dem Saugkanal verbunden.To connect the suction channel to the suction mouth arranged on the first lower part or on the second lower part, a suction space arranged above the suction mouth with a central opening is preferably provided on the corresponding lower part. When connecting the corresponding lower part to the housing, the opening is connected to the suction channel.

Hierzu weist der Saugkanal vorzugsweise einen Aufnahmebereich auf, in den das Unterteil mit einem zugeordneten Verbindungsstutzen hineinragt. Hierdurch kann eine sichere Luftführung gewährleistet werden, ohne dass eine - optional mögliche - Abdichtung mittels Dichtmitteln vorgesehen sein muss.For this purpose, the suction channel preferably has a receiving area into which the lower part projects with an associated connecting piece. In this way, a safe air flow can be guaranteed without the need for sealing, which is optionally possible, by means of sealing means.

Selbstverständlich ist es im Rahmen der Erfindung möglich, dass mehr als zwei separate Unterteile mit dem Gehäuse verbindbar sind. Insbesondere für den professionellen Bereich ist eine Vielzahl von spezialisierten Unterteilen für spezifische Anwendungen zweckmäßig.It is of course possible within the scope of the invention that more than two separate lower parts can be connected to the housing. For the professional sector in particular, a large number of specialized lower parts are useful for specific applications.

Gegenstand der Erfindung ist auch ein Staubsauger umfassend ein Gehäuse mit einem darin angeordneten Gebläse zur Erzeugung eines Saugluftstromes sowie einem Schmutzsammelraum zur Abscheidung von in dem Saugluftstrom mitgeführten Schmutzpartikeln. An eine mit dem Schmutzsammelraum verbundene Saugluftführung ist ein zuvor stehend beschriebenes Gehäuse angeschlossen, mit dem alternativ zumindest zwei Unterteile zur Bildung eines Saugmundes sowie einer Gleitsohle befestigbar sind.The invention also relates to a vacuum cleaner comprising a housing with a blower arranged therein for generating a suction air flow and a dirt collecting space for separating dirt particles carried in the suction air flow. A previously described housing is connected to a suction air duct connected to the dirt collecting space and can alternatively be used to attach at least two lower parts to form a suction mouth and a sliding sole.

Die Erfindung wird nachfolgend anhand von lediglich ein Ausführungsbeispiel darstellenden Zeichnungen erläutert. Es zeigen dabei schematisch:

Fig. 1
eine Unteransicht eine im Rahmen der erfindungsgemäßen Staubsaugerdüsenanordnung gebildete ersten Konfiguration
Fig. 2A
unterseitige Ansicht eines zweiten Unterteils und
Fig. 2B
oberseitige Ansicht des Unterteils aus Fig. 2A.
The invention is explained below on the basis of drawings showing only one exemplary embodiment. They show schematically:
Fig. 1
a bottom view of a first configuration formed within the scope of the vacuum cleaner nozzle arrangement according to the invention
Figure 2A
bottom view of a second lower part and
Figure 2B
top view of the lower part Figure 2A .

Die Fig. 1 zeigt in der Untersicht eine erste, im Rahmen eines Ausführungsbeispiels einer erfindungsgemäßen Staubsaugerbodendüsenanordnung gebildete Saugkonfiguration. Hierbei ist ein Gehäuse 1 vorgesehen, welches mittels eines im rückwärtigen Bereich angeordneten Sauganschlussstutzens 2 zur Verbindung eines im Inneren angeordneten Saugkanals 3 mit der Saugluftführung eines Staubsaugers vorgesehen. Unterseitig an dem Gehäuse ist ein erstes Unterteil 4a angeordnet, welches eine erste Gleitsohle 5a sowie einen ersten mit dem Saugkanal 3 verbundenen Saugmund 6a aufweist.The Fig. 1 shows in the bottom view a first suction configuration formed in the context of an embodiment of a vacuum cleaner floor nozzle arrangement according to the invention. In this case, a housing 1 is provided, which is provided by means of a suction connection piece 2 arranged in the rear area for connecting an internally arranged suction channel 3 to the suction air duct of a vacuum cleaner. On the underside of the housing, a first lower part 4a is arranged, which has a first sliding sole 5a and a first suction mouth 6a connected to the suction channel 3.

In der Gleitsohle 5a sind vor und hinter dem Saugmund 6a Borstenstreifen 7 als Fadenheber vorgesehen. Die Staubsaugerbodendüse erstreckt sich im Wesentlichen in einer Arbeitsrichtung x sowie in einer Querrichtung y. Im gezeigten Ausführungsbeispiel weist das erste Unterteil 4a im Bereich der Gleitsohle 5a sowohl eine in der Arbeitsrichtung x vor dem Saugmund 6a angeordnete Aufgleitschräge als auch eine in der Arbeitsrichtung x hinter dem Saugmund 6a angeordnete Abgleitschräge auf. Dabei beträgt die Breite a1 der Aufgleitschräge in der Arbeitsrichtung x zumindest 15 mm die Breite b1 der Abgleitschräge in der Arbeitsrichtung x beträgt zumindest 25 mm. Sowohl die Aufgleitschräge als auch die Abgleitschräge sind im Wesentlichen plan ausgebildet, wobei sie gegenüber einer durch die vordere und hintere Kante des Saugmundes 6a definierte Horizontale um einen Winkel zwischen 5° und 15° bzw. zwischen 3° und 10° geneigt sind.Bristle strips 7 are provided in the sliding sole 5a in front of and behind the suction mouth 6a as thread lifters. The vacuum cleaner floor nozzle extends essentially in a working direction x and in a transverse direction y. In the exemplary embodiment shown, the first lower part 4a in the region of the sliding sole 5a has both a sliding slope arranged in the working direction x in front of the suction mouth 6a and a sliding slope arranged in the working direction x behind the suction mouth 6a. The width a 1 of the sliding slope in the working direction x is at least 15 mm, the width b 1 of the sliding slope in the working direction x is at least 25 mm. Both the slip bevel and the slip bevel are essentially flat, whereby they are inclined by an angle between 5 ° and 15 ° or between 3 ° and 10 ° with respect to a horizontal defined by the front and rear edge of the suction mouth 6a.

Zwischen der in Arbeitsrichtung x vorderen Kante des Unterteils 4a und dem äußeren Rand des Gehäuses 1 ist ein Spalt vorgesehen, in welchem ein gegenüber dem Gehäuse 1 verstellbarer Bürstenstreifen 8 angeordnet ist. Dieser dient zur Verstellung der Staubsaugerbodendüse gemäß der gezeigten ersten Konfiguration zwischen einer Teppichbodenstellung mit angehobenem Bürstenstreifen und einer Glattbodenstellung mit abgesenktem Bürstenstreifen. Zur rückwärtigen Abstützung des Gehäuses 1 ist im Bereich der Abgleitschräge des Unterteils 4a eine Laufrolle 9 angeordnet.Between the front edge x of the lower part 4a in the working direction and the outer edge of the housing 1 there is a gap in which a brush strip 8 which is adjustable relative to the housing 1 is arranged. This serves to adjust the vacuum cleaner floor nozzle according to the first configuration shown between a carpet position with the brush strip raised and a smooth floor position with the brush strip lowered. For the rear support of the housing 1, a roller 9 is arranged in the region of the sliding slope of the lower part 4a.

Erfindungsgemäß ist das Unterteil 4a lösbar, insbesondere werkzeuglos lösbar, mit dem Gehäuse verbunden. Hierzu hintergreift das Unterteil 4a in einem in der Arbeitsrichtung x vorderen Bereich mit Vorsprüngen zugeordnete Ausnehmungen des Gehäuses 1. In dem in der Arbeitsrichtung x rückwärtigen Bereich innerhalb der Abgleitschräge sind ferner zwei lösbare Sperrelemente 10 vorgesehen. Diese können mittels einer Rotationsbewegung das Unterteil 4a an dem Gehäuse 1 befestigen bzw. durch entgegensinniges Drehen wieder lösen. Zur Betätigung sind an den Sperrelementen 10 breite Schlitze vorgesehen, welche mittels einfacher Hilfsmittel - beispielsweise einer Münze - bedient werden können.According to the invention, the lower part 4a is detachable, in particular detachable without tools, connected to the housing. For this purpose, the lower part 4a engages in recesses of the housing 1 which are assigned to projections in the front in the working direction x and in the area in the rear in the working direction x within the sliding slope, two detachable locking elements 10 are also provided. These can fasten the lower part 4a to the housing 1 by means of a rotational movement or loosen them again by rotating them in the opposite direction. For the actuation 10 wide slots are provided on the locking elements, which can be operated using simple aids - for example a coin.

In den Fig. 2a und 2b ist ein die erfindungsgemäße Staubsaugerdüsenanordnung vervollständigendes zweites Unterteil 4b dargestellt. In einer vergleichenden Betrachtung mit der Fig. 1 entnimmt man, dass die Geometrie des Saugmundes 6b und auch die Geometrie der Gleitsohle 5b gegenüber denen des ersten Unterteils 4a abweicht. Während die in der Arbeitsrichtung x gemessene Breite a2 der Aufgleitschräge in etwa der Breite a1 des ersten Unterteils 4a entspricht, ist die Abgleitschräge bei dem gezeigten zweiten Unterteil 4b mit einer Breite b2 etwas länger ausgebildet. Auch ist der Saugmund 6b mit einer geringeren Breite c2 ausgebildet als die Breite c1 des ersten Unterteils 4a. Da die in der Querrichtung y gemessene Quererstreckung d1, d2 der beiden Unterteile aufgrund der Zuordnung zu einem Gehäuse 1 in etwa gleich groß ist, weist der Saugmund 6b des zweiten Unterteils 4b eine deutlich verringerte Querschnittsfläche gegenüber dem ersten Saugmund 6a auf. Einer weitergehenden vergleichenden Betrachtung entnimmt man, dass der erste Saugmund 6a mit einer umlaufenden, durchgängigen Saugmundkante in einer Ebene ausgestaltet ist. Währenddessen ist der zweite Saugmund 6b an den Rändern zur Seitenansaugung offen ausgestaltet. In Verbindung mit der nach unten gerichteten geringeren Öffnungsfläche des zweiten Saugmundes 6b wird hier zusätzlich die Seitenabsaugung forciert.In the Fig. 2a and 2 B shows a second lower part 4b which completes the vacuum cleaner nozzle arrangement according to the invention. In a comparative analysis with the Fig. 1 it can be seen that the geometry of the suction mouth 6b and also the geometry of the sliding sole 5b differ from that of the first lower part 4a. While the x measured width a 2 of the slide-on slope approximately corresponds to the width a 1 of the first lower part 4a, the slide-off slope in the shown second lower part 4b with a width b 2 is somewhat longer. The suction mouth 6b is also formed with a smaller width c 2 than the width c 1 of the first lower part 4a. Since the transverse extent d1, d2 of the two lower parts measured in the transverse direction y is approximately the same due to the assignment to a housing 1, the suction mouth 6b of the second lower part 4b has a significantly reduced cross-sectional area compared to the first suction mouth 6a. A further comparative analysis reveals that the first suction mouth 6a is designed with a circumferential, continuous suction mouth edge in one plane. In the meantime, the second suction mouth 6b is designed to be open at the edges for side suction. In conjunction with the downward opening area of the second suction mouth 6b, the side suction is additionally forced here.

Die Verriegelungselemente 10 des zweiten Unterteils 4b sind im Wesentlichen identisch zu denen des ersten Unterteils 4a ausgebildet. Sie sind jedoch in dem gezeigten Ausführungsbeispiel sowohl in der Arbeitsrichtung x als auch in der Querrichtung y versetzt angeordnet. Hierbei kann die Position der Verriegelungselemente 10 bei der Auslegung unterschiedlicher Unterteile 4a, 4b so gewählt werden, dass sie die Funktion und Positionierung sowohl des Saugmundes 6a, 6b als auch der Gleitsohle 5a, 5b möglichst wenig stören. Zur Befestigung an einem einzigen Gehäuse 1 muss dieses entsprechend mehrere Aufnahmeelemente zur Wechselwirkung mit den Sperrelementen 10 an unterschiedlichen lateralen Positionen aufweisen. Auch ist beispielsweise zumindest ein rinnenförmiges Aufnahmeelement denkbar, in welches die Verriegelungselemente entlang beliebiger, in Längsrichtung verschobener Positionen eingreifen können.The locking elements 10 of the second lower part 4b are essentially identical to those of the first lower part 4a. However, in the exemplary embodiment shown, they are arranged offset both in the working direction x and in the transverse direction y. The position of the locking elements 10 in the design of different lower parts 4a, 4b can be selected so that they interfere as little as possible with the function and positioning of both the suction mouth 6a, 6b and the sliding sole 5a, 5b. For attachment to a single housing 1, the housing 1 must accordingly have a plurality of receiving elements for interaction with the locking elements 10 at different lateral positions. At least one channel-shaped receiving element is also conceivable, for example, in which the locking elements can engage along any positions that are displaced in the longitudinal direction.

In der Fig. 2B dargestellte Rückansicht sind Details der Befestigung des zweiten Unterteils 4b an dem Gehäuse sichtbar. Diese stellen entsprechend auch den Sachverhalt des ersten Unterteils 4a dar. An dem in der Arbeitsrichtung x vorderen Ende des Unterteils 4b sind Haltelaschen 11 vorgesehen, welche in zugeordnete, in den Figuren nicht dargestellte Ausnehmungen des Gehäuses eingreifen. Hierbei wird das Unterteil 4b axial in die Ausnehmungen eingeschoben und/oder eingeschwenkt. Zur Arretierung sind im rückwärtigen Bereich die Verriegelungselemente 10 vorgesehen, deren Befestigungsabschnitte wie gezeigt schraubenförmig ausgebildet sind. Durch eine Drehbewegung können die Verriegelungselemente 10 in einer zugeordneten Aufnahme mit einem Innengewinde bzw. in einer profilierten Nut befestigt werden.In the Figure 2B The rear view shown shows details of the attachment of the second lower part 4b to the housing. These also represent the facts of the first lower part 4a. Retaining tabs 11 are provided on the front end of the lower part 4b in the working direction x, which engage in associated recesses in the housing, not shown in the figures. Here, the lower part 4b is axially inserted and / or pivoted into the recesses. For locking purposes, the locking elements 10 are provided in the rear area, the fastening sections of which, as shown, are of helical design. By means of a rotary movement, the locking elements 10 can be fastened in an associated receptacle with an internal thread or in a profiled groove.

Der Fig. 2B ist überdies zu entnehmen, dass im rückwärtigen Bereich des Saugmundes 6b ein Saugmund mit einer zentralen Öffnung 12 vorgesehen ist, welche den Abmessungen des Saugkanals 3 entspricht. Die Öffnung weist dabei in der Arbeitsrichtung eine größere Erstreckung als der Saugmund 6b auf. Zur Verbesserung der Abdichtung zwischen dem Unterteil 4b ist die Berandung der Öffnung 12 mit einer Stufe versehen, welche formschlüssig an den Saugkanal 3 anschließt.Of the Figure 2B it can also be seen that a suction mouth with a central opening 12 is provided in the rear area of the suction mouth 6b, which corresponds to the dimensions of the suction channel 3. The opening has a greater extension in the working direction than the suction mouth 6b. To improve the seal between the lower part 4b, the edge of the opening 12 is provided with a step which connects to the suction channel 3 in a form-fitting manner.

Claims (10)

Staubsaugerbodendüsenanordnung umfassend ein Gehäuse (1) mit einem an eine Saugluftführung angeschlossenen Saugkanal (3) und ein erstes unterseitig an dem Gehäuse (1) angeordnetes und eine erste Gleitsohle (5a) sowie einen mit dem Saugkanal (3) verbundenen Saugmund (6a) aufweisendes Unterteil (4a), dadurch gekennzeichnet, dass das erste Unterteil (4a) mit dem Gehäuse (1) zur Bildung einer Staubsaugerbodendüse in einer ersten Konfiguration lösbar verbunden ist, dass die Staubsaugerbodendüsenanordnung ferner ein zweites Unterteil (4b) mit einer zweiten Gleitsohle (5b) und mit einem Saugmund (6b) umfasst, welches gegenüber dem ersten Unterteil (4a) eine abweichende Geometrie aufweist und im Austausch mit dem ersten Unterteil (4a) zur Bildung einer Staubsaugerbodendüse in einer zweiten Konfiguration an dem Gehäuse (1) lösbar befestigbar ist.Vacuum cleaner floor nozzle arrangement comprising a housing (1) with a suction channel (3) connected to a suction air duct and a first lower part arranged on the underside of the housing (1) and a first sliding sole (5a) and a suction mouth (6a) connected to the suction channel (3) (4a), characterized in that the first lower part (4a) is detachably connected to the housing (1) to form a vacuum cleaner floor nozzle in a first configuration, that the vacuum cleaner floor nozzle arrangement further comprises a second lower part (4b) with a second sliding sole (5b) and with a suction mouth (6b), which has a different geometry than the first lower part (4a) and can be detachably fastened to the housing (1) in a second configuration in exchange for the first lower part (4a) to form a vacuum cleaner floor nozzle. Staubsaugerbodendüsenanordnung nach Anspruch 1, dadurch gekennzeichnet, dass die erste Gleitsohle (5a) des ersten Unterteils (4a) und/oder die zweite Gleitsohle (5b) des zweiten Unterteils (4b) eine in einer Arbeitsrichtung vor dem Saugmund (6a, 6b) angeordnete Aufgleitschräge und eine in der Arbeitsrichtung hinter dem Saugmund angeordnete Abgleitschräge aufweist.Vacuum cleaner floor nozzle arrangement according to claim 1, characterized in that the first sliding sole (5a) of the first lower part (4a) and / or the second sliding sole (5b) of the second lower part (4b) has a sliding slope arranged in a working direction in front of the suction mouth (6a, 6b) and has a sliding bevel arranged behind the suction mouth in the working direction. Staubsaugerbodendüsenanordnung nach Anspruch 2, dadurch gekennzeichnet, dass die Aufgleitschräge eine Breite (a1, d2) von zumindest 15 mm aufweist und gegenüber der Horizontalen um einen Winkel zwischen 5° und 15° geneigt ist.Vacuum cleaner floor nozzle arrangement according to claim 2, characterized in that the sliding bevel has a width (a 1 , d 2 ) of at least 15 mm and is inclined at an angle between 5 ° and 15 ° with respect to the horizontal. Staubsaugerbodendüsenanordnung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass die Abgleitschräge eine Breite (b1, b2) von zumindest 25 mm aufweist und gegenüber der Horizontalen um einen Winkel zwischen 3° und 10° geneigt ist.Vacuum cleaner floor nozzle arrangement according to claim 2 or 3, characterized in that the sliding bevel has a width (b 1 , b 2 ) of at least 25 mm and is inclined to the horizontal by an angle between 3 ° and 10 °. Staubsaugerbodendüsenanordnung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das erste Unterteil (4a) zumindest 50 % der Fläche der Unterseite der Staubsaugerbodendüse in der ersten Konfiguration und/oder das zweite Unterteil (4b) zumindest 50 % der Staubsaugerbodendüse gemäß der zweiten Konfiguration ausmacht.Vacuum cleaner floor nozzle arrangement according to one of claims 1 to 4, characterized in that the first lower part (4a) at least 50% of the area of the underside of the vacuum cleaner floor nozzle in the first configuration and / or the second lower part (4b) at least 50% of the vacuum cleaner floor nozzle according to the second configuration matters. Staubsaugerbodendüsenanordnung nach Anspruch 5, dadurch gekennzeichnet, dass das erste Unterteil (4a) im Wesentlichen die gesamte Fläche der Unterseite der Staubsaugerbodendüse der ersten Konfiguration und/oder das zweite Unterteil (4b) im Wesentlichen die gesamte Fläche der Staubsaugerbodendüse gemäß der zweiten Konfiguration ausmacht.Vacuum cleaner floor nozzle arrangement according to claim 5, characterized in that the first lower part (4a) substantially the entire area of the underside of the vacuum cleaner floor nozzle of the first configuration and / or the second lower part (4b) substantially the entire area of the vacuum cleaner floor nozzle according to the second configuration. Staubsaugerbodendüsenanordnung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Saugmund (6a, 6b) maximal die Hälfte, vorzugsweise 30 % bis 45 % der Fläche der Unterseite des ersten Unterteils (4a) und/oder des zweiten Unterteils (4b) ausmacht.Vacuum cleaner floor nozzle arrangement according to one of claims 1 to 5, characterized in that the suction mouth (6a, 6b) makes up a maximum of half, preferably 30% to 45% of the area of the underside of the first lower part (4a) and / or the second lower part (4b) . Staubsaugerbodendüsenanordnung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Saugmund (6a) des ersten Unterteils (4a) eine größere Querschnittsfläche als der Saugmund (6b) des zweiten Unterteils (4b) aufweist.Vacuum cleaner floor nozzle arrangement according to one of claims 1 to 7, characterized in that the suction mouth (6a) of the first lower part (4a) has a larger cross-sectional area than the suction mouth (6b) of the second lower part (4b). Staubsaugerbodendüsenanordnung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Saugmund (6a) des ersten Unterteils (4a) den gleichen Querschnitt wie der Saugmund (6b) des zweiten Unterteils (4b) jedoch eine abweichende Form aufweist.Vacuum cleaner floor nozzle arrangement according to one of claims 1 to 7, characterized in that the suction mouth (6a) of the first lower part (4a) has the same cross section as the suction mouth (6b) of the second lower part (4b) but has a different shape. Staubsaugerbodendüsenanordnung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass an dem ersten Unterteil (4a) und/oder an dem zweiten Unterteil (4b) zumindest ein drehbar gehaltenes Abstützelement (9) angeordnet ist.Vacuum cleaner floor nozzle arrangement according to one of claims 1 to 9, characterized in that on the first lower part (4a) and / or on the second lower part (4b) at least one rotatably supported support element (9) is arranged.
EP19194940.3A 2018-09-24 2019-09-02 Vacuum cleaner floor nozzle assembly Active EP3636125B1 (en)

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DE102018123465.1A DE102018123465A1 (en) 2018-09-24 2018-09-24 Vacuum cleaner floor nozzle arrangement

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EP3636125A1 true EP3636125A1 (en) 2020-04-15
EP3636125B1 EP3636125B1 (en) 2020-12-09

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Citations (4)

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KR20030002381A (en) * 2001-06-29 2003-01-09 삼성광주전자 주식회사 Suction brush for vacuum cleaner
GB2492005A (en) * 2010-12-14 2012-12-19 Dyson Technology Ltd A cleaner head
DE102013108893A1 (en) * 2013-08-16 2015-02-19 Wessel-Werk Gmbh vacuum cleaner nozzle
EP3298943A1 (en) * 2016-09-23 2018-03-28 Wessel-Werk GmbH Suction cleaning arrangement

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Publication number Priority date Publication date Assignee Title
DE7812958U1 (en) * 1978-04-27 1979-10-04 Wessel, Hans, 5226 Reichshof SLIDING SOLE FOR VACUUM NOZZLE
US5123141A (en) * 1990-02-09 1992-06-23 Rexair, Inc. Cleaning tool having airflow directing manifold for a vacuum cleaner system
GB2530389B (en) * 2014-08-11 2019-11-27 Bissell Homecare Inc Vacuum cleaner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030002381A (en) * 2001-06-29 2003-01-09 삼성광주전자 주식회사 Suction brush for vacuum cleaner
GB2492005A (en) * 2010-12-14 2012-12-19 Dyson Technology Ltd A cleaner head
DE102013108893A1 (en) * 2013-08-16 2015-02-19 Wessel-Werk Gmbh vacuum cleaner nozzle
EP3298943A1 (en) * 2016-09-23 2018-03-28 Wessel-Werk GmbH Suction cleaning arrangement

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EP3636125B1 (en) 2020-12-09

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