EP2064978B1 - Floor nozzle for a vacuum cleaner - Google Patents

Floor nozzle for a vacuum cleaner Download PDF

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Publication number
EP2064978B1
EP2064978B1 EP20080019790 EP08019790A EP2064978B1 EP 2064978 B1 EP2064978 B1 EP 2064978B1 EP 20080019790 EP20080019790 EP 20080019790 EP 08019790 A EP08019790 A EP 08019790A EP 2064978 B1 EP2064978 B1 EP 2064978B1
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EP
European Patent Office
Prior art keywords
floor nozzle
axis
swivel
joint
tilt
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EP20080019790
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German (de)
French (fr)
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EP2064978A3 (en
EP2064978A2 (en
Inventor
Dieter Kaffenberger
Thomas Lind
Hans-Joachim Steudtner
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Wessel Werk GmbH
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Wessel Werk GmbH
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Publication of EP2064978A3 publication Critical patent/EP2064978A3/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • 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

Definitions

  • the invention relates to a floor nozzle for a vacuum cleaner with a first working position for sucking wide floor surfaces and a second working position for sucking narrow floor surfaces. While the first working position is provided for cleaning large, contiguous floor surfaces, in the second working position, poorly accessible spaces and corners, for example between pieces of furniture, can be run over for suction cleaning.
  • Such a floor nozzle for a vacuum cleaner is from the JP-A-2003310490 known.
  • a floor nozzle for a vacuum cleaner with a suction head which has a floor plan with a broad side and a narrow side.
  • a biaxial joint with a T-shaped piece of pipe is movably mounted about a horizontal pivot axis.
  • To the T-shaped pipe piece connects a pipe bend with a connection end for a suction pipe, which is rotatable relative to the pipe piece about an axis of rotation, wherein the pivot axis and the axis of rotation intersect and are aligned perpendicular to each other.
  • the pipe bend is bent in such a way that the connection end can be aligned essentially parallel to the pivot axis running horizontally in the direction of the broad side.
  • the suction head In a first working position, the suction head is moved approximately perpendicular to its broad side, whereby large, continuous floor surfaces can be cleaned quickly.
  • the suction head can be aligned in a second working position such that the broad side of the suction head extends in the longitudinal direction of the connection end. Since the terminal end can be aligned substantially parallel to the pivot axis, also furniture, such as cabinets and low tables can be driven under.
  • the handling of the known floor nozzle is in particular on textile floor coverings in need of improvement, since the movement of the floor nozzle in the first working position sometimes high shearing forces are required.
  • a rotary / tilting joint may be provided, wherein the rotational and the tilting axis are perpendicular to each other and intersect.
  • the suction head has rollers on its front broad side and on its rear broad side. In the second working position, the suction head must be moved perpendicular to the rolling direction of the rollers, whereby the handling is difficult.
  • the invention has for its object to provide a floor nozzle for a vacuum cleaner with a first working position for sucking wide floor surfaces and a second working position for sucking narrow floor surfaces, easy to handle both in the first working position and in the second working position is.
  • Solution to the problem and object of the invention is a floor nozzle for a vacuum cleaner with a first working position for sucking wide bottom surfaces and a second working position for sucking narrow bottom surfaces with a suction head having one of two broad sides and two narrow sides limited base, the broadsides relative to the working direction of the floor nozzle in the first working position approximately in the transverse direction and the narrow sides extend approximately in the longitudinal direction, connected to the suction head rotary / tilting joint with a connection piece for a suction pipe or a vacuum cleaner housing, at least one in the area of the rotary / tilting joint arranged supporting element, wherein in the first working position, the support member receives the introduced via the suction pipe or the vacuum cleaner housing when moving the floor nozzle vertical forces and wherein in the second working position, the connecting piece is oriented approximately perpendicular to the longitudinal direction and the supporting element is raised with respect to the underside of the suction head and does not contribute to the support of the suction head.
  • a rotatable roller As usually arranged outside the base of the suction head support member is preferably provided a rotatable roller.
  • two lateral rollers may be arranged on the rotary / tilting joint as support elements for receiving the vertical forces introduced during movement of the floor nozzle.
  • the support element or the support elements allow in the suction of wide bottom surfaces in the first working position a very easy handling, with only small sliding forces are required by the rolling movement of the roller or rollers on textile floor coverings.
  • the underside of the suction head is expediently designed as a simple sliding sole without rollers.
  • the suction head is connected via a suction channel to a hinge piece of the rotary / tilting joint, wherein the hinge piece is rotatable relative to the suction channel about the axis of rotation of the rotary / tilting joint.
  • the axis of rotation may, for example, lie in a horizontal plane and extend in the longitudinal direction with respect to the first working direction.
  • the tilting axis of the rotary / tilting joint can be formed by an articulated connection of the joint piece with the connecting piece.
  • the suction channel can either be formed on the suction head or connected by a front tilting joint with the suction head.
  • a front tilt joint can be achieved that in the first working position of the suction head to optimize the Saug lenderssrial occupies different angular positions in forward and backward movements.
  • a different degree of sinking of the support element can be compensated by the additional front tilt hinge on a textile floor covering, so that the suction head always rests in the desired orientation on the floor surface to be cleaned.
  • the axis of rotation coincides with the tilting axis of the rotary / tilting joint, since in the context of such an embodiment all vertical forces introduced when sliding the floor nozzle can be accommodated.
  • the tilting axis and the axis of rotation of the rotary / tilting joint are preferably aligned perpendicular to one another, wherein the axis of rotation is oriented in the longitudinal direction relative to the first working position. At a center position of the rotation angle then runs the tilting axis of the turn / tilt joint in the transverse direction.
  • the support element is expediently arranged below the axis of rotation, so that this is lifted during rotation of the rotary / tilting joint of the floor surface to be cleaned.
  • the distance between the rotation axis of the pivotal / tilting joint and the tilting axis of this tilting / tilting joint in the vertical direction is preferably between 20 mm 7 and 60 mm, more preferably between 30 mm and 50 mm.
  • the connecting piece In the first working position for sucking wide floor surfaces, the connecting piece is inclined with respect to the floor surface to be cleaned.
  • the tilt angle of the turn / tilt joint with respect to a horizontal bottom surface is usually in a range between 30 ° and 60 °.
  • the floor nozzle In The first working position, the floor nozzle can be performed by a slight rotation of the rotary / tilting joint in an arc.
  • the connecting piece In order to move the floor nozzle from the first working position to the second working position, the connecting piece is first erected, wherein the rotary / tilting joint is preferably latched ⁇ max at a maximum tilt angle.
  • the connecting piece with the adjoining suction pipe or vacuum cleaner housing can be aligned flat parallel to the broad sides of the suction head, so that even low spaces under furniture, for example, under cabinets or tables, can be driven under.
  • the rotary / tilting joint can have a flexible hose for carrying out the suction air.
  • Fig. 1 shows a floor nozzle 1 for a vacuum cleaner in a first working position for sucking wide floor surfaces.
  • the floor nozzle 1 has a suction head 2 with one of two broad sides 3a, 3b and two narrow sides 4 limited base area. Relative to the working direction x of the floor nozzle 1 in the first working position, the broad sides 3a, 3b extend approximately in the transverse direction y and the narrow sides 4 in the longitudinal direction x.
  • the suction head 2 is connected via a suction channel 5 to a rotary / tilting joint 6 with a rotation axis D and a tilting axis K.
  • the turn / tilt joint 6 comprises a about the rotation axis D rotatably connected to the suction channel 5 joint piece 7 and a connecting piece 8 for a suction pipe or a vacuum cleaner housing.
  • the connecting piece 8 is connected to the pivot piece 7 movably about the tilting axis K.
  • a roller 9 is arranged as a support member on the rotary / tilting joint 6.
  • the axis of rotation of the roller 9 coincides with the tilting axis K, so that the roller 9 in the first working position completely absorbs the vertical forces introduced via the suction tube or the vacuum cleaner housing when the floor nozzle 1 is moved.
  • the roller 9 has a curved lateral surface, wherein the underside of the roller 9 is approximately on a circular arc about the axis of rotation D, so that the rotary / tilting joint 6, starting from the illustrated center position in a certain rotation angle range of about +/- 20 ° to +/- 30 ° supported by the roller 9.
  • the roller 9 is lifted from the horizontal xy plane.
  • the rotary / tilting joint 6 extends the axis of rotation D in the x-direction and the tilting axis K in the y-direction.
  • the vertical distance a between the axis of rotation D and the tilting axis K is preferably between 20 and 60 mm, more preferably between 30 and 50 mm, so that the roller 9 provided as a support element can be raised far enough for a rotation about the axis of rotation D.
  • the suction channel 5 can be formed on the suction head 2 or connected by a front tilting joint with a front tilting axis V extending in the y-direction.
  • a front tilting joint with an additional front tilting axis V By the front tilting joint with an additional front tilting axis V, a different orientation of the suction head 2 in forward and backward movements can be achieved in the first working position. Furthermore, a different degree of sinking of the roller 9 can be compensated for on textile floor coverings.
  • the area between the connecting piece 8 and the suction channel 5 is bridged by a flexible hose for carrying out the suction air, which is not shown for reasons of clarity.
  • the connecting piece 8 is aligned approximately perpendicular to the longitudinal direction x, wherein at a maximum tilt angle ⁇ max of about 90 ° engagement of the rotary / tilting joint 6 may be provided ,
  • the turn / tilt joint 6, as in the Fig. 4 and 5 shown as far as rotated, that the roller 9 is raised with respect to the lying in the xy plane underside of the suction head 2 and does not contribute to the support of the suction head 2. Since the roller 9 is lifted in the second working position for sucking narrow floor surfaces of a floor covering to be cleaned, a movement of the floor nozzle 1 with one of the narrow sides 4 of the suction head 2 ahead with low pushing forces is possible.
  • the suction channel 5 and the suction head 2 are connected by a front tilting joint, this is preferably locked in the second working position to avoid lateral tilting.
  • the locking can be achieved for example when exceeding a predetermined angle of rotation by a locking projection on the joint piece 7, which fixes the suction head 2 relative to the suction channel 5 by clamping.

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

Description

Die Erfindung betrifft eine Bodendüse für einen Staubsauger mit einer ersten Arbeitsstellung zum Saugen von breiten Bodenflächen und einer zweiten Arbeitsstellung zum Saugen von schmalen Bodenflächen. Während die erste Arbeitsstellung für die Reinigung großer, zusammenhängender Bodenflächen vorgesehen ist, können in der zweiten Arbeitsstellung auch schlecht zugängliche Zwischenräume und Ecken, beispielsweise zwischen Möbelstücken, zur Saugreinigung überfahren werden.The invention relates to a floor nozzle for a vacuum cleaner with a first working position for sucking wide floor surfaces and a second working position for sucking narrow floor surfaces. While the first working position is provided for cleaning large, contiguous floor surfaces, in the second working position, poorly accessible spaces and corners, for example between pieces of furniture, can be run over for suction cleaning.

Eine derartige Bodendüse für einen Staubsauger ist aus der JP-A-2003310490 bekannt.Such a floor nozzle for a vacuum cleaner is from the JP-A-2003310490 known.

Aus der EP 1 396 221 B1 ist eine Bodendüse für einen Staubsauger mit einem Saugkopf bekannt, der einen Grundriss mit einer Breitseite und einer Schmalseite aufweist. An dem Saugkopf ist ein zweiachsiges Gelenk mit einem T-förmigen Rohrstück um eine horizontale Schwenkachse beweglich gelagert. An das T-förmige Rohrstück schließt ein Rohrkrümmer mit einem Anschlussende für ein Saugrohr an, der gegenüber dem Rohrstück um eine Drehachse drehbar ist, wobei die Schwenkachse und die Drehachse sich schneiden und senkrecht zueinander ausgerichtet sind. Der Rohrkrümmer ist derart gebogen, dass das Anschlussende im Wesentlichen parallel zu der horizontal in Richtung der Breitseite verlaufenden Schwenkachse ausgerichtet werden kann. In einer ersten Arbeitsstellung wird der Saugkopf etwa senkrecht zu seine Breitseite bewegt, wodurch große, zusammenhängende Bodenflächen schnell gereinigt werden können. Zum Saugen schmaler Nischen kann der Saugkopf in einer zweiten Arbeitsstellung so ausgerichtet werden, dass sich die Breitseite des Saugkopfes in Längsrichtung des Anschlussendes erstreckt. Da das Anschlussende dabei im Wesentlichen parallel zu der Schwenkachse ausgerichtet werden kann, können auch Möbelstücke, wie Schränke und niedrige Tische unterfahren werden. Die Handhabung der bekannten Bodendüse ist insbesondere auf textilen Bodenbelägen verbesserungsbedürftig, da zur Bewegung der Bodendüse in der ersten Arbeitsstellung zum Teil hohe Schiebekräfte erforderlich sind.From the EP 1 396 221 B1 a floor nozzle for a vacuum cleaner with a suction head is known, which has a floor plan with a broad side and a narrow side. On the suction head, a biaxial joint with a T-shaped piece of pipe is movably mounted about a horizontal pivot axis. To the T-shaped pipe piece connects a pipe bend with a connection end for a suction pipe, which is rotatable relative to the pipe piece about an axis of rotation, wherein the pivot axis and the axis of rotation intersect and are aligned perpendicular to each other. The pipe bend is bent in such a way that the connection end can be aligned essentially parallel to the pivot axis running horizontally in the direction of the broad side. In a first working position, the suction head is moved approximately perpendicular to its broad side, whereby large, continuous floor surfaces can be cleaned quickly. For sucking narrow niches, the suction head can be aligned in a second working position such that the broad side of the suction head extends in the longitudinal direction of the connection end. Since the terminal end can be aligned substantially parallel to the pivot axis, also furniture, such as cabinets and low tables can be driven under. The handling of the known floor nozzle is in particular on textile floor coverings in need of improvement, since the movement of the floor nozzle in the first working position sometimes high shearing forces are required.

Aus der JP 2000-126 095 A sind Bodendüsen für einen Staubsauger mit einer ersten Arbeitsstellung zum Saugen von breiten Bodenflächen und einer zweiten Arbeitsstellung zum Saugen von schmalen Bodenflächen bekannt. Um den Saugkopf von der ersten Arbeitsstellung in die zweite Arbeitsstellung drehen zu können, kann ein Dreh-/Kippgelenk vorgesehen sein, wobei die Dreh- und die Kippachse senkrecht zueinander stehen und sich schneiden. Um die Handhabung in der ersten Arbeitsstellung zu erleichtern, weist der Saugkopf an seiner vorderen Breitseite und an seiner hinteren Breitseite Laufrollen auf. In der zweiten Arbeitsstellung muss der Saugkopf senkrecht zu der Abrollrichtung der Laufrollen bewegt werden, wodurch die Handhabung erschwert ist.From the JP 2000-126 095 A are known floor nozzles for a vacuum cleaner with a first working position for sucking wide floor surfaces and a second working position for sucking narrow floor surfaces. In order to rotate the suction head from the first working position to the second working position, a rotary / tilting joint may be provided, wherein the rotational and the tilting axis are perpendicular to each other and intersect. To facilitate handling in the first working position, the suction head has rollers on its front broad side and on its rear broad side. In the second working position, the suction head must be moved perpendicular to the rolling direction of the rollers, whereby the handling is difficult.

Vor diesem Hintergrund liegt der Erfindung die Aufgabe zugrunde, eine Bodendüse für einen Staubsauger mit einer ersten Arbeitsstellung zum Saugen von breiten Bodenflächen und einer zweiten Arbeitsstellung zum Saugen von schmalen Bodenflächen anzugeben, die sowohl in der ersten Arbeitsstellung als auch in der zweiten Arbeitsstellung leicht zu handhaben ist.Against this background, the invention has for its object to provide a floor nozzle for a vacuum cleaner with a first working position for sucking wide floor surfaces and a second working position for sucking narrow floor surfaces, easy to handle both in the first working position and in the second working position is.

Lösung der Aufgabe und Gegenstand der Erfindung ist eine Bodendüse für einen Staubsauger mit einer ersten Arbeitsstellung zum Saugen von breiten Bodenflächen und einer zweiten Arbeitsstellung zum Saugen von schmalen Bodenflächen mit einem Saugkopf, der eine von zwei Breitseiten sowie zwei Schmalseiten begrenzte Grundfläche aufweist, wobei die Breitseiten bezogen auf die Arbeitsrichtung der Bodendüse in der ersten Arbeitsstellung in etwa in Querrichtung und die Schmalseiten etwa in Längsrichtung verlaufen, einem an dem Saugkopf angeschlossenen Dreh-/Kippgelenk mit einem Anschlussstutzen für ein Saugrohr oder ein Staubsaugergehäuse, zumindest einem im Bereich des Dreh-/Kippgelenks angeordneten Stützelement, wobei in der ersten Arbeitsstellung das Stützelement die über das Saugrohr oder das Staubsaugergehäuse beim Bewegen der Bodendüse eingeleiteten Vertikalkräfte aufnimmt und wobei in der zweiten Arbeitsstellung der Anschlussstutzen etwa senkrecht zu der Längsrichtung ausgerichtet ist und das Stützelement in Bezug auf die Unterseite des Saugkopfes angehoben ist und nicht zur Abstützung des Saugkopfes beiträgt. Als üblicherweise außerhalb der Grundfläche des Saugkopfes angeordnetes Stützelement ist vorzugsweise eine drehbare Walze vorgesehen. Im Rahmen der Erfindung können jedoch auch zur Aufnahme der beim Bewegen der Bodendüse eingeleiteten Vertikalkräfte zwei seitliche Laufrollen an dem Dreh-/Kippgelenk als Stützelemente angeordnet sein. Das Stützelement bzw. die Stützelemente erlauben bei dem Saugen von breiten Bodenflächen in der ersten Arbeitsstellung eine sehr leichte Handhabung, wobei durch die Rollbewegung der Walze bzw. der Laufrollen auch auf textilen Bodenbelägen nur geringe Schiebekräfte erforderlich sind.Solution to the problem and object of the invention is a floor nozzle for a vacuum cleaner with a first working position for sucking wide bottom surfaces and a second working position for sucking narrow bottom surfaces with a suction head having one of two broad sides and two narrow sides limited base, the broadsides relative to the working direction of the floor nozzle in the first working position approximately in the transverse direction and the narrow sides extend approximately in the longitudinal direction, connected to the suction head rotary / tilting joint with a connection piece for a suction pipe or a vacuum cleaner housing, at least one in the area of the rotary / tilting joint arranged supporting element, wherein in the first working position, the support member receives the introduced via the suction pipe or the vacuum cleaner housing when moving the floor nozzle vertical forces and wherein in the second working position, the connecting piece is oriented approximately perpendicular to the longitudinal direction and the supporting element is raised with respect to the underside of the suction head and does not contribute to the support of the suction head. As usually arranged outside the base of the suction head support member is preferably provided a rotatable roller. In the context of the invention, however, two lateral rollers may be arranged on the rotary / tilting joint as support elements for receiving the vertical forces introduced during movement of the floor nozzle. The support element or the support elements allow in the suction of wide bottom surfaces in the first working position a very easy handling, with only small sliding forces are required by the rolling movement of the roller or rollers on textile floor coverings.

Wenn die Bodendüse in der zweiten Arbeitsstellung bei der Reinigung von engen Spalten und Zwischenräumen mit einer der Schmalseiten voran geführt wird, ist das Stützelement angehoben und trägt nicht zu einer Erhöhung der Schiebekräfte bei. Die Unterseite des Saugkopfes ist dabei zweckmäßigerweise als einfache Gleitsohle ohne Laufrollen ausgebildet.When the floor nozzle is guided in the second working position in the cleaning of narrow gaps and gaps with one of the narrow sides, the support member is raised and does not contribute to an increase in the pushing forces. The underside of the suction head is expediently designed as a simple sliding sole without rollers.

Im Rahmen einer bevorzugten Ausgestaltung der Erfindung ist vorgesehen, dass der Saugkopf über einen Saugkanal an ein Gelenkstück des Dreh-/Kippgelenks angeschlossen ist, wobei das Gelenkstück gegenüber dem Saugkanal um die Drehachse des Dreh-/Kippgelenks drehbar ist. Die Drehachse kann dabei beispielsweise in einer horizontalen Ebene liegen und in Bezug auf die erste Arbeitsrichtung in Längsrichtung verlaufen. Im Rahmen der beschriebenen Ausgestaltung kann die Kippachse des Dreh-/Kippgelenks durch eine gelenkige Verbindung des Gelenkstückes mit dem Anschlussstutzen gebildet sein.In the context of a preferred embodiment of the invention it is provided that the suction head is connected via a suction channel to a hinge piece of the rotary / tilting joint, wherein the hinge piece is rotatable relative to the suction channel about the axis of rotation of the rotary / tilting joint. The axis of rotation may, for example, lie in a horizontal plane and extend in the longitudinal direction with respect to the first working direction. In the context of the described embodiment, the tilting axis of the rotary / tilting joint can be formed by an articulated connection of the joint piece with the connecting piece.

Der Saugkanal kann entweder an den Saugkopf angeformt oder durch ein vorderes Kippgelenk mit dem Saugkopf verbunden sein. Durch das vordere Kippgelenk kann erreicht werden, dass in der ersten Arbeitsstellung der Saugkopf zur Optimierung der Saugreinigungswirkung bei Vorwärts- und Rückwärtsbewegungen unterschiedliche Winkelpositionen einnimmt. Des Weiteren kann durch das zusätzliche vordere Kippgelenk auf einem textilen Bodenbelag ein unterschiedlich starkes Einsinken des Stützelementes ausgeglichen werden, so dass der Saugkopf stets in der gewünschten Ausrichtung auf der zu reinigenden Bodenfläche aufliegt.The suction channel can either be formed on the suction head or connected by a front tilting joint with the suction head. Through the front tilt joint can be achieved that in the first working position of the suction head to optimize the Saugreinigungswirkung occupies different angular positions in forward and backward movements. Furthermore, a different degree of sinking of the support element can be compensated by the additional front tilt hinge on a textile floor covering, so that the suction head always rests in the desired orientation on the floor surface to be cleaned.

Wenn zur Abstützung des Dreh-/Kippgelenks eine Walze oder zwei Laufrollen vorgesehen sind, ist von Vorteil, wenn die Drehachse mit der Kippachse des Dreh-/Kippgelenks zusammenfällt, da im Rahmen einer solchen Ausgestaltung sämtliche beim Schieben der Bodendüse eingeleiteten Vertikalkräfte aufgenommen werden können. Die Kippachse und die Drehachse des Dreh-/Kippgelenks sind vorzugsweise senkrecht zueinander ausgerichtet, wobei die Drehachse bezogen auf die erste Arbeitsstellung in Längsrichtung ausgerichtet ist. Bei einer Mittelposition des Drehwinkels verläuft dann die Kippachse des Dreh-/Kippgelenks in Querrichtung. In dieser Position ist das Stützelement zweckmäßigerweise unterhalb der Drehachse angeordnet, so dass dieses beim Verdrehen des Dreh-/Kippgelenks von der zu reinigenden Bodenfläche abgehoben wird. Wenn die Kippachse mit einer Rotationsachse einer Walze oder von Laufrollen zusammenfällt, beträgt bei der Mittelposition des Drehwinkels der Abstand zwischen der Drehachse des Dreh-/Kippgelenkes und der Kippachse dieses Dreh-/Kippgelenkes in vertikaler Richtung vorzugsweise zwischen 20 mm 7und 60 mm, besonders bevorzugt zwischen 30 mm und 50 mm.If a roller or two rollers are provided for supporting the rotary / tilting joint, it is advantageous if the axis of rotation coincides with the tilting axis of the rotary / tilting joint, since in the context of such an embodiment all vertical forces introduced when sliding the floor nozzle can be accommodated. The tilting axis and the axis of rotation of the rotary / tilting joint are preferably aligned perpendicular to one another, wherein the axis of rotation is oriented in the longitudinal direction relative to the first working position. At a center position of the rotation angle then runs the tilting axis of the turn / tilt joint in the transverse direction. In this position, the support element is expediently arranged below the axis of rotation, so that this is lifted during rotation of the rotary / tilting joint of the floor surface to be cleaned. When the tilting axis coincides with a rotation axis of a roller or rollers, in the center position of the rotation angle, the distance between the rotation axis of the pivotal / tilting joint and the tilting axis of this tilting / tilting joint in the vertical direction is preferably between 20 mm 7 and 60 mm, more preferably between 30 mm and 50 mm.

In der ersten Arbeitsstellung zum Saugen von breiten Bodenflächen ist der Anschlussstutzen in Bezug auf die zu reinigende Bodenfläche schräg ausgerichtet. Bei einer üblichen Griffposition an einem Saugrohr oder an einem Staubsaugergehäuse liegt der Kippwinkel des Dreh-/Kippgelenkes bezogen auf eine horizontale Bodenfläche üblicherweise in einem Bereich zwischen 30° und 60°. In der ersten Arbeitsstellung kann die Bodendüse durch ein leichtes Verdrehen des Dreh-/Kippgelenks auch in einem Bogen geführt werden. Um die Bodendüse von der ersten Arbeitsstellung in die zweite Arbeitsstellung zu bewegen, wird der Anschlussstutzen zunächst aufgerichtet, wobei das Dreh-/Kippgelenk vorzugsweise bei einem maximalen Kippwinkel αmax einrastbar ist. Nachfolgend wird dann das Dreh-/Kippgelenk so weit um die Drehachse bewegt, dass die Bodendüse wie zuvor in der ersten Arbeitsstellung von einem Benutzer geführt werden kann, wobei jedoch der Saugkopf mit einer Schmalseite voran über die zu reinigende Bodenfläche gleitet. Besonders vorteilhaft ist dabei, wenn das Dreh-/Kippgelenk bezogen auf eine Mittelposition in einem Drehwinkelbereich zwischen βmin = -90° und βmax = +90°positionierbar ist. Im Rahmen einer solchen Ausgestaltung kann der Anschlussstutzen mit dem daran anschließenden Saugrohr oder Staubsaugergehäuse parallel zu den Breitseiten des Saugkopfes flach ausgerichtet werden, so dass auch niedrige Freiräume unter Möbelstücken, beispielsweise unter Schränken oder Tischen, unterfahren werden können.In the first working position for sucking wide floor surfaces, the connecting piece is inclined with respect to the floor surface to be cleaned. In a conventional grip position on a suction pipe or on a vacuum cleaner housing, the tilt angle of the turn / tilt joint with respect to a horizontal bottom surface is usually in a range between 30 ° and 60 °. In The first working position, the floor nozzle can be performed by a slight rotation of the rotary / tilting joint in an arc. In order to move the floor nozzle from the first working position to the second working position, the connecting piece is first erected, wherein the rotary / tilting joint is preferably latched α max at a maximum tilt angle. Subsequently, the rotary / tilting joint is then moved so far around the axis of rotation that the floor nozzle as previously in the first working position can be performed by a user, but the suction head slides with a narrow side ahead on the floor surface to be cleaned. It is particularly advantageous if the rotary / tilting joint relative to a center position in a rotation angle range between β min = -90 ° and β max = + 90 ° can be positioned. In the context of such an embodiment, the connecting piece with the adjoining suction pipe or vacuum cleaner housing can be aligned flat parallel to the broad sides of the suction head, so that even low spaces under furniture, for example, under cabinets or tables, can be driven under.

Um eine weitgehend freie Ausgestaltung des Dreh-/Kippgelenks zu ermöglichen und den Anteil unerwünschter Falschluft zu minimieren, kann das Dreh-/Kippgelenk einen flexiblen Schlauch zur Durchführung der Saugluft aufweisen.In order to enable a largely free design of the rotary / tilting joint and to minimize the proportion of unwanted secondary air, the rotary / tilting joint can have a flexible hose for carrying out the suction air.

Die Erfindung wird im Folgenden anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung erläutert. Es zeigen:

Fig. 1
eine perspektivische Ansicht einer Bodendüse in einer ersten Arbeitsstellung zum Saugen von breiten Bodenflächen,
Fig. 2
die Bodendüse gemäß Fig. 1 in einer Seitenansicht,
Fig. 3
die Bodendüse gemäß Fig. 1 in einer Ansicht von hinten,
Fig. 4
eine perspektivische Ansicht der Bodendüse gemäß Fig. 1 in einer zweiten Arbeitsstellung zum Saugen von schmalen Bodenflächen,
Fig. 5
die Bodendüse gemäß Fig. 4 in einer Ansicht von hinten.
The invention will be explained in the following with reference to a drawing showing only one exemplary embodiment. Show it:
Fig. 1
a perspective view of a floor nozzle in a first working position for sucking wide floor surfaces,
Fig. 2
the floor nozzle according to Fig. 1 in a side view,
Fig. 3
the floor nozzle according to Fig. 1 in a view from behind,
Fig. 4
a perspective view of the floor nozzle according to Fig. 1 in a second working position for sucking narrow floor areas,
Fig. 5
the floor nozzle according to Fig. 4 in a view from behind.

Fig. 1 zeigt eine Bodendüse 1 für einen Staubsauger in einer ersten Arbeitsstellung zum Saugen von breiten Bodenflächen. Die Bodendüse 1 weist einen Saugkopf 2 mit einer von zwei Breitseiten 3a, 3b und zwei Schmalseiten 4 begrenzten Grundfläche auf. Bezogen auf die Arbeitsrichtung x der Bodendüse 1 in der ersten Arbeitsstellung verlaufen die Breitseiten 3a, 3b etwa in Querrichtung y und die Schmalseiten 4 in Längsrichtung x. Der Saugkopf 2 ist über einen Saugkanal 5 an ein Dreh-/Kippgelenk 6 mit einer Drehachse D und einer Kippachse K angeschlossen. Das Dreh-/Kippgelenk 6 umfasst ein um die Drehachse D drehbar an dem Saugkanal 5 angeschlossenes Gelenkstück 7 und einen Anschlussstutzen 8 für ein Saugrohr oder ein Staubsaugergehäuse. Der Anschlussstutzen 8 ist um die Kippachse K beweglich mit dem Gelenkstück 7 verbunden. Fig. 1 shows a floor nozzle 1 for a vacuum cleaner in a first working position for sucking wide floor surfaces. The floor nozzle 1 has a suction head 2 with one of two broad sides 3a, 3b and two narrow sides 4 limited base area. Relative to the working direction x of the floor nozzle 1 in the first working position, the broad sides 3a, 3b extend approximately in the transverse direction y and the narrow sides 4 in the longitudinal direction x. The suction head 2 is connected via a suction channel 5 to a rotary / tilting joint 6 with a rotation axis D and a tilting axis K. The turn / tilt joint 6 comprises a about the rotation axis D rotatably connected to the suction channel 5 joint piece 7 and a connecting piece 8 for a suction pipe or a vacuum cleaner housing. The connecting piece 8 is connected to the pivot piece 7 movably about the tilting axis K.

Wie den Fig. 2 und 3 zu entnehmen ist, ist hinter dem Saugkopf 2 eine Walze 9 als Stützelement an dem Dreh-/Kippgelenk 6 angeordnet. Die Rotationsachse der Walze 9 fällt mit der Kippachse K zusammen, so dass die Walze 9 in der ersten Arbeitsstellung die über das Saugrohr oder das Staubsaugergehäuse beim Bewegen der Bodendüse 1 eingeleiteten Vertikalkräfte vollständig aufnimmt. Wie die Fig. 3 zeigt, weist die Walze 9 eine gekrümmte Mantelfläche auf, wobei die Unterseite der Walze 9 in etwa auf einem Kreisbogen um die Drehachse D liegt, so dass das Dreh-/Kippgelenk 6 ausgehend von der dargestellten Mittelposition in einem gewissen Drehwinkelbereich von etwa +/-20° bis +/-30° von der Walze 9 abgestützt ist. Bei einer stärkeren Verdrehung um die Drehachse D wird die Walze 9 von der horizontalen x-y-Ebene abgehoben. In der in den Fig. 2 und 3 dargestellten Anordnung des Dreh-/Kippgelenkes 6 verläuft die Drehachse D in x-Richtung und die Kippachse K in y-Richtung. Der vertikale Abstand a zwischen der Drehachse D und der Kippachse K beträgt dabei vorzugsweise zwischen 20 und 60 mm besonders bevorzugt zwischen 30 und 50 mm, damit die als Stützelement vorgesehene Walze 9 bei einer Drehung um die Drehachse D weit genug angehoben werden kann.Like that Fig. 2 and 3 can be seen, behind the suction head 2, a roller 9 is arranged as a support member on the rotary / tilting joint 6. The axis of rotation of the roller 9 coincides with the tilting axis K, so that the roller 9 in the first working position completely absorbs the vertical forces introduced via the suction tube or the vacuum cleaner housing when the floor nozzle 1 is moved. As the Fig. 3 shows, the roller 9 has a curved lateral surface, wherein the underside of the roller 9 is approximately on a circular arc about the axis of rotation D, so that the rotary / tilting joint 6, starting from the illustrated center position in a certain rotation angle range of about +/- 20 ° to +/- 30 ° supported by the roller 9. At a greater rotation about the axis of rotation D, the roller 9 is lifted from the horizontal xy plane. In in the Fig. 2 and 3 illustrated arrangement of the rotary / tilting joint 6 extends the axis of rotation D in the x-direction and the tilting axis K in the y-direction. The vertical distance a between the axis of rotation D and the tilting axis K is preferably between 20 and 60 mm, more preferably between 30 and 50 mm, so that the roller 9 provided as a support element can be raised far enough for a rotation about the axis of rotation D.

Die Fig. 2 zeigt die Bodendüse 1 in der ersten Arbeitsstellung bei einer üblichen Ausrichtung des Anschlussstutzens 9 in einem Kippwinkel zwischen α = 30° und α = 60° bezogen auf die Horizontale. Um in der ersten Arbeitsstellung mit der vorderen Breitseite 3a voraus flache Möbelstücke unterfahren zu können, kann der Anschlussstutzen 8 bei einem minimalen Kippwinkel αmin = 0 horizontal ausgerichtet werden.The Fig. 2 shows the floor nozzle 1 in the first working position with a conventional orientation of the connecting piece 9 in a tilt angle between α = 30 ° and α = 60 ° relative to the horizontal. In order to be able to drive in the first working position with the front broad side 3a ahead flat pieces of furniture, the connecting piece 8 can be aligned horizontally at a minimum tilt angle α min = 0.

Der Saugkanal 5 kann an den Saugkopf 2 angeformt oder durch ein vorderes Kippgelenk mit einer in y-Richtung verlaufenden vorderen Kippachse V verbunden sein. Durch das vordere Kippgelenk mit einer zusätzlichen, vorderen Kippachse V kann in der ersten Arbeitsstellung eine unterschiedliche Ausrichtung des Saugkopfes 2 bei Vorwärts- und Rückwärtsbewegungen erreicht werden. Des Weiteren kann auch auf textilen Bodenbelägen ein unterschiedlich starkes Einsinken der Walze 9 ausgeglichen werden.The suction channel 5 can be formed on the suction head 2 or connected by a front tilting joint with a front tilting axis V extending in the y-direction. By the front tilting joint with an additional front tilting axis V, a different orientation of the suction head 2 in forward and backward movements can be achieved in the first working position. Furthermore, a different degree of sinking of the roller 9 can be compensated for on textile floor coverings.

Der Bereich zwischen dem Anschlussstutzen 8 und dem Saugkanal 5 ist durch einen flexiblen Schlauch zur Durchführung der Saugluft überbrückt, der aus Gründen der Übersichtlichkeit nicht dargestellt ist.The area between the connecting piece 8 and the suction channel 5 is bridged by a flexible hose for carrying out the suction air, which is not shown for reasons of clarity.

Um die Bodendüse 1 in eine zweite Arbeitsstellung zum Saugen von schmalen Bodenflächen zu bewegen, wird der Anschlussstutzen 8 etwa senkrecht zu der Längsrichtung x ausgerichtet, wobei bei einem maximalen Kippwinkel αmax von etwa 90° ein Einrasten des Dreh-/Kippgelenkes 6 vorgesehen sein kann.In order to move the floor nozzle 1 in a second working position for sucking narrow bottom surfaces, the connecting piece 8 is aligned approximately perpendicular to the longitudinal direction x, wherein at a maximum tilt angle α max of about 90 ° engagement of the rotary / tilting joint 6 may be provided ,

Nachfolgend wird das Dreh-/Kippgelenk 6, wie in den Fig. 4 und 5 dargestellt, soweit verdreht, dass die Walze 9 in Bezug auf die in der x-y-Ebene liegende Unterseite des Saugkopfes 2 angehoben ist und nicht zur Abstützung des Saugkopfes 2 beiträgt. Da die Walze 9 in der zweiten Arbeitsstellung zum Saugen von schmalen Bodenflächen von einem zu reinigenden Bodenbelag abgehoben ist, ist eine Bewegung der Bodendüse 1 mit einer der Schmalseiten 4 des Saugkopfes 2 voran mit geringen Schiebekräften möglich.Hereinafter, the turn / tilt joint 6, as in the Fig. 4 and 5 shown, as far as rotated, that the roller 9 is raised with respect to the lying in the xy plane underside of the suction head 2 and does not contribute to the support of the suction head 2. Since the roller 9 is lifted in the second working position for sucking narrow floor surfaces of a floor covering to be cleaned, a movement of the floor nozzle 1 with one of the narrow sides 4 of the suction head 2 ahead with low pushing forces is possible.

Bezogen auf eine Mittelposition mit einem Drehwinkel β = 0 ist das Dreh-/Kippgelenk 6 in einem Drehwinkelbereich zwischen βmin = -90° und βmax = +90° frei positionierbar, so dass auch in der zweiten Arbeitsstellung der Anschlussstutzen 8 zum Unterfahren von niedrigen Möbelstücken horizontal ausgerichtet werden kann.Based on a central position with a rotation angle β = 0, the rotary / tilting joint 6 is freely positionable in a rotation angle range between β min = -90 ° and β max = + 90 °, so that even in the second working position the connecting piece 8 for driving under low furniture can be aligned horizontally.

Wenn der Saugkanal 5 und der Saugkopf 2 durch ein vorderes Kippgelenk verbunden sind, ist dieses in der zweiten Arbeitsstellung vorzugsweise arretiert, um ein seitliches Verkippen zu vermeiden. Die Arretierung kann beispielsweise beim Überschreiten eines vorgegebenen Drehwinkels durch einen Rastvorsprung an dem Gelenkstück 7 erreicht werden, der den Saugkopf 2 gegenüber dem Saugkanal 5 klemmend fixiert.If the suction channel 5 and the suction head 2 are connected by a front tilting joint, this is preferably locked in the second working position to avoid lateral tilting. The locking can be achieved for example when exceeding a predetermined angle of rotation by a locking projection on the joint piece 7, which fixes the suction head 2 relative to the suction channel 5 by clamping.

Claims (6)

  1. A floor nozzle for a vacuum cleaner comprising a first operating position for vacuuming broad floor areas and a second operating position for vacuuming narrow floor areas, comprising
    a suction head (2), which encompasses a base area, which is defined by two broad sides (3a, 3b) as well as by narrow sides (4), wherein, based on the operating direction (x) of the floor nozzle (1), the broad sides (3a, 3b) run approximately in transverse direction (y) and the narrow sides (4) run approximately in longitudinal direction (x) in the first operating position,
    a suction channel (5), which is connected to the suction head (2),
    a swivel/tilt joint (6) comprising a connecting piece (8) for a suction tube or a vacuum cleaner housing,
    at least one support element, which is arranged in the area of the swivel/tilt joint (6),
    wherein the swivel/tilt joint (6) encompasses a joint piece (7), which is connected to the suction channel so as to be capable of being rotated about an axis of rotation (D) of the swivel/tilt joint,
    wherein the connecting piece (8) is connected to the joint piece (7) so as to be movable about a tilt axis (K) of the swivel/tilt joint (6),
    wherein, in the first operating position, the support element receives the vertical forces introduced via the suction tube or the vacuum cleaner housing in response to moving the floor nozzle (1),
    wherein, in the second operating position, the connecting piece (8) is oriented approximately vertically to the longitudinal direction (x), and the support element is raised in relation to the bottom side of the suction head (2) and does not contribute in supporting the suction head (2), and
    wherein provision is made for a rotatable roller (9) as support element or for two support elements, which are embodied as runners, characterized in that the axis of rotation (D) of the swivel/tilt joint (6) extends in operating direction (x) of the floor nozzle and that the axis of rotation of the roller (9) or of the runners, respectively, coincides with the tilt axis (K) of the swivel/tilt joint (6), which is oriented vertically to the axis of rotation (D).
  2. The floor nozzle according to claim 1, characterized in that the support element is a roller (9), which encompasses a curved jacket surface, wherein the bottom side of the roller (9) is located approximately on a circular arc about the axis of rotation (D).
  3. The floor nozzle according to claim 1 or 2, characterized in that the suction head (2) and the suction channel (5) are connected by means of a front tilt joint.
  4. The floor nozzle according to one of claims 1 to 3, characterized in that the swivel/tilt joint (6) can lock in place at a maximum tilt angle αmax, which is assigned to the second operating position.
  5. The floor nozzle according to one of claims 1 to 4, characterized in that the swivel/tilt joint (6) can be positioned in a rotation angle range of between βmin=-90° and βmax=+90°, based on a center position.
  6. The floor nozzle according to one of claims 1 to 5, characterized in that the swivel/tilt joint (6) encompasses a flexible hose for feed-through of the suction air.
EP20080019790 2007-11-28 2008-11-13 Floor nozzle for a vacuum cleaner Active EP2064978B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710057349 DE102007057349B4 (en) 2007-11-28 2007-11-28 Floor nozzle for vacuum cleaner

Publications (3)

Publication Number Publication Date
EP2064978A2 EP2064978A2 (en) 2009-06-03
EP2064978A3 EP2064978A3 (en) 2009-12-02
EP2064978B1 true EP2064978B1 (en) 2015-03-25

Family

ID=40433883

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080019790 Active EP2064978B1 (en) 2007-11-28 2008-11-13 Floor nozzle for a vacuum cleaner

Country Status (3)

Country Link
EP (1) EP2064978B1 (en)
CN (1) CN101444406B (en)
DE (1) DE102007057349B4 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010043515B4 (en) * 2010-11-05 2014-10-16 BSH Bosch und Siemens Hausgeräte GmbH Suction nozzle arrangement and vacuum cleaner
GB2532961B (en) * 2014-12-02 2017-03-22 Dyson Technology Ltd Floor tool for a vacuum cleaner
EP3536209A1 (en) * 2018-03-05 2019-09-11 Koninklijke Philips N.V. Vacuum cleaner nozzle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000126095A (en) 1998-10-22 2000-05-09 Matsushita Electric Ind Co Ltd Suction equipment for vacuum cleaner, and vacuum cleaner
DE19962942C2 (en) * 1999-12-24 2002-10-17 Wessel Werk Gmbh Floor nozzle for vacuum cleaners
JP2003153833A (en) * 2001-11-22 2003-05-27 Toshiba Tec Corp Suction port body and vacuum cleaner
JP3630146B2 (en) * 2002-04-25 2005-03-16 松下電器産業株式会社 Vacuum cleaner suction tool and vacuum cleaner using the same
DE10241055A1 (en) 2002-09-05 2004-03-18 Wessel-Werk Gmbh Floor nozzle for vacuum cleaners
JP3849668B2 (en) * 2003-05-19 2006-11-22 松下電器産業株式会社 Vacuum cleaner suction tool and vacuum cleaner using the same
JP4194471B2 (en) * 2003-10-31 2008-12-10 三洋電機株式会社 Floor suction tool

Also Published As

Publication number Publication date
EP2064978A3 (en) 2009-12-02
CN101444406B (en) 2013-01-30
DE102007057349B4 (en) 2012-01-12
EP2064978A2 (en) 2009-06-03
CN101444406A (en) 2009-06-03
DE102007057349A1 (en) 2009-06-04

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