EP1976420B1 - Sweeping machine with removable rotary brush - Google Patents

Sweeping machine with removable rotary brush Download PDF

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Publication number
EP1976420B1
EP1976420B1 EP07702861.1A EP07702861A EP1976420B1 EP 1976420 B1 EP1976420 B1 EP 1976420B1 EP 07702861 A EP07702861 A EP 07702861A EP 1976420 B1 EP1976420 B1 EP 1976420B1
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EP
European Patent Office
Prior art keywords
sweeping machine
housing
machine according
working position
rotary brush
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EP07702861.1A
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German (de)
French (fr)
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EP1976420A1 (en
Inventor
Klaus Jürgen FISCHER
Uwe Dasbach
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Leifheit AG
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Leifheit AG
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/32—Carpet-sweepers
    • A47L11/33—Carpet-sweepers having means for storing dirt
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4052—Movement of the tools or the like perpendicular to the cleaning surface
    • A47L11/4055—Movement of the tools or the like perpendicular to the cleaning surface for lifting the tools to a non-working position
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4072—Arrangement of castors or wheels

Definitions

  • the present invention relates to a sweeper with a housing, a rotatably mounted in or on the housing roller brush and at least one impeller or impeller pair according to the preamble of claim 1.
  • the impeller In the working position, the impeller contacts the roller brush so that the roller brush is driven by the impeller. At the same time the impeller is in the working position for holding the roller brush in the working position. In the release position, the impeller is out of contact with the roller brush, so that the roller brush is movable, from the working position to the removal position. Accordingly, the roller brush is released there for removal.
  • the impeller and the roller brush can thus be disengaged by the roller brush in the working position contacting and thereby driving impeller is displaced, so that the roller brush from the actual bearing of the roller brush is removable.
  • the roller brush can be removed in the released position, after which a new roller brush can be used in the appropriate storage.
  • the impeller is moved via a manually operable lever mechanism in the release position. This requires a relatively complex mechanism and an applied by the user operator.
  • Sweepers with a rotatably mounted roller brush are also from the DE 196 21 55 U and the DE 192 07 89 U known.
  • the DE 196 21 55 U a carpet sweeper with wheels and a housing.
  • a brush roller is rotatably mounted.
  • the brush roller are associated with combs.
  • a collecting container is provided for the swept up good.
  • the DE 192 07 89 U also shows a carpet sweeper with a housing in which wheels and a driven roller brush are stored. Another roller brush rolls freely when moving the carpet sweeper on the floor, which is supported by the provided with a handle device collecting container for the good that has been swept up.
  • the cylindrical roller shaft of the roller brush is rotatably mounted in bores in the housing.
  • this type of sweeper removal of the roller brush for example, for the purpose of cleaning or to replace an unused roller brush, for the user is almost impossible.
  • a Bodenlochmaschine known which also comprises a housing with a rotatably mounted therein roller brush.
  • the roller brush is mounted in the known floor sweeper by two end aufklemmbare bearing clips, wherein the bearing clips are fixed to the housing.
  • the roller brush can be latched there.
  • the roller brush be driven by wheels
  • the drive is often done with the interposition gear-like means.
  • the drive is effected by pressing together impeller and a drive wheel associated with the roller brush. This again makes it difficult to change the roller brush, namely due to the intimate contact between the rotating components for driving the roller brush.
  • the present invention is therefore the object of developing the generic sweeper such that with little design effort a simple replacement of the roller brush by the user is possible.
  • the above object is solved by the features of claim 1.
  • the impeller can now be brought into contact with the working position arresting the roller brush by ground contact and the force acting between the bottom and the impeller, and can be held there. This means that the wheel located on the ground is displaced relative to the housing, in the direction of the roller brush.
  • the impeller is rotatably supported by an impeller shaft in or on the housing and that the impeller shaft passes through the force acting on it in the arresting working position and there, for example, pressed against a stop, rotatably supported or held , Basically, it is sufficient if a single impeller interacts with the roller brush.
  • the drive of the roller brush is favored in that on both sides - inside or outside of the housing - preferably near the housing wall, one impeller is provided, so that the roller brush a double-sided drive, ie at or near the free ends of the Roller brush, learns.
  • a particularly simple embodiment of the bearing of the impeller shaft results from the fact that the impeller shaft runs in a guide formed in the housing, serving for displacement in the working position.
  • the guide may be defined by slots formed in the housing.
  • the slots are inclined, namely from the lower, remote from the roller brush release position in the upper, to the roller brush near working position. Accordingly, the impeller shaft can be moved obliquely upwards against the roller brush, so that pressure can be exerted on the roller brush - for its drive and for holding it.
  • the slots serving for guiding are revealed by opening the housing or by removing a housing part forming the slot with the rest of the housing for removal of the drive wheel. In such a case, the drive wheel can be easily removed, regardless of the roller brush.
  • the slots forming the guide for the drive wheel comprise a lower and / or upper detent position for the impeller shaft.
  • the roller brush is rotatably mounted in the working position in or on the housing, via a roller shaft.
  • the storage has an area for laying and possibly locking the roller shaft, similar to that realized in the case of the drive wheel or the drive shaft.
  • the storage may include an intake open towards the impeller, so that the roller brush can be removed in the direction of the impeller or impeller shaft, namely, when the impeller is in its release position. Otherwise, the removal of the roller brush is prevented.
  • the impeller mainly serves to drive the roller brush.
  • the impeller in the working position, the impeller preferably acts with its running surface on a roller shaft associated with this rotatably connected drive wheel.
  • drive wheels may be provided on both sides of the roller shaft, on which correspondingly arranged wheels preferably act with their running surfaces. This effect of the running surface of the impeller against the drive wheel can be done by force or friction. It is also conceivable that the running surface of the impeller acts positively or intermeshingly on the drive wheel.
  • Another advantage of an embodiment of the teaching according to the invention is the fact that a special locking mechanism can be provided for the roller brush and / or for the drive wheel, namely for holding in the respective working position and / or in the removal position or release position.
  • This measure also favors a simple and convenient change of the roller brush, because by this measure, namely, the impeller is disengaged from the brush, so that removal of the roller brush can be done without hindrance.
  • FIGS. 1 to 4 show an embodiment of a sweeping machine according to the invention, which essentially comprises a housing 1, a rotatably mounted in the housing 1 roller brush 2 and on both sides of the housing 1 in each case an impeller 3, ie, an impeller pair comprises.
  • the figures also show that a further small impeller 4 or a corresponding impeller pair is provided so that the sweeper is movable as a whole.
  • the wheels 3 are used to drive the roller brush 2, wherein the roller brush 2 of a in Fig. 1 shown working position on their positioning in Fig. 2 in an in Fig. 3 shown removal position can be brought.
  • the wheels 3 of a in Fig. 1 work position shown in a Fig. 2 shown release position movable, wherein the impeller 3, the roller brush 2 in the working position as shown in FIG Fig. 1 contacted and stopped there.
  • the impeller 3 either out of contact with the roller brush 2 or the roller brush 2 can follow the impeller in its removal position, so that the roller brush 2 is released for removal.
  • FIGS. 1 to 4 Let it further be seen that the impeller 3 is supported by an impeller shaft 5, which in turn is mounted in the housing 1. More precisely, a slot 6 is provided for supporting the impeller shaft 5 on both sides of the housing 1, which runs obliquely in the housing wall, namely from the lower, remote from the roller brush 2 release position in the upper, to the roller brush 2 near working position.
  • FIGS. 1 to 4 further suggestively suggest that in the slots 6, a lower detent position 8 is defined by broadening of the slot 6, so that a determination of the impeller 3 in the release position is possible.
  • roller brush 2 is rotatably mounted, via a roller shaft 9.
  • the roller shaft 9 is rotatably supported on both sides in the housing 1, wherein the bearing area serves for placing the roller shaft 9. Presses the impeller 3 with its tread 10 against a non-rotatably connected to the roller shaft 9 drive wheel 11, the roller brush 2 and the roller shaft 9 is secured in the storage.
  • the roller brush 2 comprises groups of bristles 12. It is also conceivable that the roller brush 2 is equipped with different elements for returning dirt or any cargo. Also, it is appreciated that the bristles or other elements extend spirally around the roller shaft 9. In addition, the serving for returning elements can be made of different materials.

Landscapes

  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
  • Brushes (AREA)
  • Cleaning In General (AREA)

Description

Die vorliegende Erfindung betrifft eine Kehrmaschine mit einem Gehäuse, einer im bzw. am Gehäuse drehbar gelagerten Walzenbürste und mindestens einem Laufrad oder Laufradpaar nach dem Oberbegriff des Anspruch 1.The present invention relates to a sweeper with a housing, a rotatably mounted in or on the housing roller brush and at least one impeller or impeller pair according to the preamble of claim 1.

Aus GB 411 428 A ist eine solche Kehrmaschine bekannt. Bei dieser ist es möglich, trotz des zum Antrieb erforderlichen Kontakts zwischen Laufrad und Walzenbürste einen einfachen Austausch der Walzenbürste zu ermöglichen. Dazu ist die Lagerung der Walzenbürste und des Laufrades derart ausgelegt, dass die Walzenbürste von einer Arbeitsposition in eine Entnahmeposition und das Laufrad von einer Arbeitsposition in eine Freigabeposition bewegbar bzw. verschiebbar ist.Out GB 411 428 A Such a sweeper is known. In this it is possible, despite the contact required for the drive between impeller and roller brush to allow easy replacement of the roller brush. For this purpose, the bearing of the roller brush and the impeller is designed such that the roller brush from a working position to a removal position and the impeller from a working position to a release position is movable or displaceable.

In der Arbeitsposition kontaktiert das Laufrad die Walzenbürste, so dass ein Antrieb der Walzenbürste über das Laufrad erfolgt. Gleichzeitig dient das Laufrad in der Arbeitsposition zum Halten der Walzenbürste in der Arbeitsposition. In der Freigabeposition ist das Laufrad außer Kontakt mit der Walzenbürste, so dass die Walzenbürste bewegbar ist, und zwar von der Arbeitsposition in die Entnahmeposition. Entsprechend ist dort die Walzenbürste zur Entnahme freigegeben. Das Laufrad und die Walzenbürste lassen sich also außer Eingriff bringen, indem das die Walzenbürste in der Arbeitsposition kontaktierende und dabei antreibende Laufrad verlagert wird, so dass die Walzenbürste aus dem eigentlichen Lager der Walzenbürste entfernbar ist. Die Walzenbürste Lässt sich so in der freigegebenen Position herausnehmen, wonach eine neue Walzenbürste in die entsprechende Lagerung eingesetzt werden kann.In the working position, the impeller contacts the roller brush so that the roller brush is driven by the impeller. At the same time the impeller is in the working position for holding the roller brush in the working position. In the release position, the impeller is out of contact with the roller brush, so that the roller brush is movable, from the working position to the removal position. Accordingly, the roller brush is released there for removal. The impeller and the roller brush can thus be disengaged by the roller brush in the working position contacting and thereby driving impeller is displaced, so that the roller brush from the actual bearing of the roller brush is removable. The roller brush can be removed in the released position, after which a new roller brush can be used in the appropriate storage.

Bei der bekannten Kehrmaschine wird das Laufrad über ein manuell zu betätigendes Hebelgetriebe in die Freigabeposition bewegt. Dies erfordert einen vergleichsweise aufwändigen Mechanismus und eine vom Benutzer aufzubringende Bedienkraft.In the known sweeper, the impeller is moved via a manually operable lever mechanism in the release position. This requires a relatively complex mechanism and an applied by the user operator.

Aus der FR 1 307 144 A ist eine ähnliche Kehrmaschine bekannt, bei der die Achsen der Walzenbürsten über Hebel in der Arbeitsposition gehalten sind, die zum Entfernen der Walzenbürste gelöst werden müssen.From the FR 1 307 144 A a similar sweeper is known in which the axes of the roller brushes are held by levers in the working position, which must be solved to remove the roller brush.

Kehrmaschinen mit einer drehbar gelagerten Walzenbürste sind ferner aus der DE 196 21 55 U und der DE 192 07 89 U bekannt. Im Konkreten offenbart die DE 196 21 55 U eine Teppichkehrmaschine mit Laufrädern und einem Gehäuse. An den Wandungen des Gehäuses ist eine Bürstenwalze drehbar gelagert. Der Bürstenwalze sind Kämme zugeordnet. Außerdem ist ein Sammelbehälter für das aufgekehrte Gut vorgesehen.Sweepers with a rotatably mounted roller brush are also from the DE 196 21 55 U and the DE 192 07 89 U known. In concrete terms, the DE 196 21 55 U a carpet sweeper with wheels and a housing. On the walls of the housing, a brush roller is rotatably mounted. The brush roller are associated with combs. In addition, a collecting container is provided for the swept up good.

Die DE 192 07 89 U zeigt ebenfalls eine Teppichkehrmaschine mit einem Gehäuse, in dem Laufräder und eine angetriebene Walzenbürste gelagert sind. Eine weitere Walzenbürste wälzt sich beim Bewegen der Teppichkehrmaschine frei auf dem Boden ab, wobei diese von dem mit einer Griffvorrichtung versehenen Sammelbehälter für das zusammengekehrte Gut getragen wird.The DE 192 07 89 U also shows a carpet sweeper with a housing in which wheels and a driven roller brush are stored. Another roller brush rolls freely when moving the carpet sweeper on the floor, which is supported by the provided with a handle device collecting container for the good that has been swept up.

Bei den meisten aus der Praxis bekannten Kehrmaschinen ist die zylindrische Walzenwelle der Walzenbürste in Bohrungen im Gehäuse drehbar gelagert. Bei diesem Typ von Kehrmaschine ist eine Entnahme der Walzenbürste, beispielsweise zum Zweck der Reinigung oder zum Austausch gegen eine ungebrauchte Walzenbürste, für den Benutzer nahezu unmöglich.In most sweeping machines known from practice, the cylindrical roller shaft of the roller brush is rotatably mounted in bores in the housing. In this type of sweeper removal of the roller brush, for example, for the purpose of cleaning or to replace an unused roller brush, for the user is almost impossible.

Des Weiteren ist aus der DE 31 00 372 A1 eine Bodenkehrmaschine bekannt, die ebenfalls ein Gehäuse mit einer darin drehbar gelagerten Walzenbürste umfasst. Die Walzenbürste ist bei der bekannten Bodenkehrmaschine durch zwei endseitig aufklemmbare Lagerspangen gelagert, wobei die Lagerspangen am Gehäuse festgelegt sind. Die Walzenbürste ist dort einrastbar.Furthermore, from the DE 31 00 372 A1 a Bodenkehrmaschine known, which also comprises a housing with a rotatably mounted therein roller brush. The roller brush is mounted in the known floor sweeper by two end aufklemmbare bearing clips, wherein the bearing clips are fixed to the housing. The roller brush can be latched there.

Beim Auswechseln der Walzenbürste ist es erforderlich, die zur Aufnahme der Walzenbürste dienenden Lager komplett aus- bzw. abzubauen. Dies ist umständlich und für den Benutzer aufwendig, da nämlich auf jeder Seite die diesbezüglichen Rastungen der Lagerspangen mit einem Werkzeug, beispielsweise mit einem Schraubenzieher, zu lösen sind. Dies erfordert einen nicht unerheblichen Kraftaufwand und bringt nicht selten eine Zerstörung der Lagerspangen und/oder ein Zerkratzen des Gehäuses mit sich. Letztendlich ist auch bei der aus der DE 31 00 372 A1 bekannten Bodenkehrmaschine ein Wechseln der Walzenbürste für den Anwender nahezu unmöglich.When replacing the roller brush, it is necessary to completely remove or remove the serving for receiving the roller brush bearing. This is cumbersome and consuming for the user, because on each side of the relevant detents of the bearing clips with a tool, such as a screwdriver, are to be solved. This requires a considerable amount of force and not infrequently brings destruction of the bearing clips and / or scratching of the housing with it. Finally, also in the from the DE 31 00 372 A1 Known floor sweeper changing the roller brush for the user almost impossible.

Des Weiteren ist für die bekannten Kehrmaschinen wesentlich, dass die Walzenbürste über Laufräder angetrieben werden, wobei der Antrieb nicht selten unter Zwischenschaltung getriebeähnlicher Mittel erfolgt. Es ist auch bereits aus der Praxis bekannt, dass der Antrieb durch Aneinanderpressen von Laufrad und einem der Walzenbürste zugeordneten Antriebsrad erfolgt. Dies erschwert abermals den Wechsel der Walzenbürste, nämlich aufgrund des innigen Kontaktes zwischen den drehenden Bauteilen zum Antrieb der Walzenbürste.Furthermore, it is essential for the known sweepers that the roller brush be driven by wheels, the drive is often done with the interposition gear-like means. It is also already known from practice that the drive is effected by pressing together impeller and a drive wheel associated with the roller brush. This again makes it difficult to change the roller brush, namely due to the intimate contact between the rotating components for driving the roller brush.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, die gattungsbildende Kehrmaschine derart weiterzubilden, dass bei geringem Konstruktionsaufwand ein einfacher Austausch der Walzenbürste durch den Anwender möglich ist.The present invention is therefore the object of developing the generic sweeper such that with little design effort a simple replacement of the roller brush by the user is possible.

Erfindungsgemäß wird die voranstehende Aufgabe durch die Merkmale des Patentanspruchs 1 gelöst. Durch die Erfindung ist nun das Laufrad durch durch Bodenkontakt und die dabei zwischen dem Boden und dem Laufrad wirkende Kraft in die, die Walzenbürste arretierende Arbeitsposition verbringbar und dort haltbar. Dies bedeutet, dass das auf dem Boden befindliche Laufrad gegenüber dem Gehäuse verschoben wird, und zwar in Richtung der Walzenbürste.According to the invention the above object is solved by the features of claim 1. By means of the invention, the impeller can now be brought into contact with the working position arresting the roller brush by ground contact and the force acting between the bottom and the impeller, and can be held there. This means that the wheel located on the ground is displaced relative to the housing, in the direction of the roller brush.

Im Konkreten ist es denkbar, dass das Laufrad über eine Laufradwelle im bzw. am Gehäuse drehbar gelagert ist und dass die Laufradwelle durch die auf sie wirkende Kraft in die arretierende Arbeitsposition gelangt und dort, beispielsweise gegen einen Anschlag gedrückt, drehbar gelagert bzw. gehalten ist. Grundsätzlich reicht es aus, wenn ein einziges Laufrad mit der Walzenbürste zusammenwirkt. Der Antrieb der Walzenbürste ist jedoch in vorteilhafter Weise dadurch begünstigt, dass beidseits - innerhalb oder außerhalb des Gehäuses - vorzugsweise nahe der Gehäusewandung, jeweils ein Laufrad vorgesehen ist, so dass die Walzenbürste einen beidseitigen Antrieb, d.h. an oder in der Nähe der freien Enden der Walzenbürste, erfährt.In concrete terms, it is conceivable that the impeller is rotatably supported by an impeller shaft in or on the housing and that the impeller shaft passes through the force acting on it in the arresting working position and there, for example, pressed against a stop, rotatably supported or held , Basically, it is sufficient if a single impeller interacts with the roller brush. However, the drive of the roller brush is favored in that on both sides - inside or outside of the housing - preferably near the housing wall, one impeller is provided, so that the roller brush a double-sided drive, ie at or near the free ends of the Roller brush, learns.

Eine besonders einfache Ausgestaltung der Lagerung der Laufradwelle ergibt sich dadurch, dass die Laufradwelle in einer im Gehäuse ausgebildeten, zur Verschiebung in die Arbeitsposition dienenden Führung läuft. Die Führung kann durch im Gehäuse ausgebildete Schlitze definiert sein. Die Schlitze verlaufen schräg, nämlich von der unteren, von der Walzenbürste entfernten Freigabeposition in die obere, zur Walzenbürste nahe Arbeitsposition. Entsprechend Lässt sich die Laufradwelle schräg nach oben gegen die Walzenbürste verschieben, so dass auf die Walzenbürste - zu deren Antrieb und zu deren Halterung - Druck ausübbar ist.A particularly simple embodiment of the bearing of the impeller shaft results from the fact that the impeller shaft runs in a guide formed in the housing, serving for displacement in the working position. The guide may be defined by slots formed in the housing. The slots are inclined, namely from the lower, remote from the roller brush release position in the upper, to the roller brush near working position. Accordingly, the impeller shaft can be moved obliquely upwards against the roller brush, so that pressure can be exerted on the roller brush - for its drive and for holding it.

Zur besseren Zugänglichkeit, insbesondere zu Reparaturzwecken, ist es von weiterem Vorteil, wenn die zu Führung dienenden Schlitze durch Öffnen des Gehäuses oder durch Entfernen eines den Schlitz mit dem übrigen Gehäuse bildenden Gehäuseteils zur Entnahme des Antriebsrades offenbar sind. In einem solchen Falle lässt sich das Antriebsrad einfach entfernen, und zwar unabhängig von der Walzenbürste.For better accessibility, in particular for repair purposes, it is also advantageous if the slots serving for guiding are revealed by opening the housing or by removing a housing part forming the slot with the rest of the housing for removal of the drive wheel. In such a case, the drive wheel can be easily removed, regardless of the roller brush.

In weiter vorteilhafter Weise umfassen die die Führung für das Antriebsrad bildenden Schlitze eine untere und/oder obere Rastposition für die Laufradwelle. So ist es möglich, die Laufradwelle in den beiden Positionen zumindest zeitweise festzulegen, nämlich zum einen in der Arbeitsposition und zum anderen in einer Position zur Aufbewahrung der Kehrmaschine.In a further advantageous manner, the slots forming the guide for the drive wheel comprise a lower and / or upper detent position for the impeller shaft. Thus, it is possible to set the impeller shaft in the two positions at least temporarily, namely on the one hand in the working position and on the other in a position for storing the sweeper.

Auch die Walzenbürste ist in der Arbeitsposition in oder am Gehäuse drehbar gelagert, und zwar über eine Walzenwelle. In vorteilhafter Weise hat die Lagerung einen Bereich zum Auflegen und gegebenenfalls Arretieren der Walzenwelle, ähnlich wie dies im Falle des Antriebsrades bzw. der Antriebswelle realisiert ist. Außerdem kann die Lagerung eine zum Laufrad hin offene Aufnahme umfassen, so dass sich die Walzenbürste in Richtung Laufrad bzw. Laufradwelle entnehmen Lässt, nämlich dann, wenn sich das Laufrad in seiner Freigabeposition befindet. Andernfalls ist die Entnahme der Walzenbürste verhindert.The roller brush is rotatably mounted in the working position in or on the housing, via a roller shaft. Advantageously, the storage has an area for laying and possibly locking the roller shaft, similar to that realized in the case of the drive wheel or the drive shaft. In addition, the storage may include an intake open towards the impeller, so that the roller brush can be removed in the direction of the impeller or impeller shaft, namely, when the impeller is in its release position. Otherwise, the removal of the roller brush is prevented.

Wie bereits zuvor ausgeführt, dient das Laufrad vor allem zum Antrieb der Walzenbürste. Dazu wirkt in der Arbeitsposition das Laufrad vorzugsweise mit seiner Lauffläche auf ein der Walzenwelle zugeordnetes, mit dieser drehfest verbundenes Antriebsrad. Zum gleichmäßigen Antrieb, insbesondere zur Vermeidung einer einseitigen Belastung der Walzenwelle, können beidseits der Walzenwelle Antriebsräder vorgesehen sein, auf die entsprechend angeordnete Laufräder vorzugsweise mit deren Laufflächen wirken. Diese Wirkung der Lauffläche des Laufrads gegen-über dem Antriebsrad kann kraft oder reibschlüssig erfolgen. Ebenso ist es denkbar, dass die Lauffläche des Laufrades formschlüssig oder kämmend auf das Antriebsrad wirkt.As already stated above, the impeller mainly serves to drive the roller brush. For this purpose, in the working position, the impeller preferably acts with its running surface on a roller shaft associated with this rotatably connected drive wheel. For uniform drive, in particular for avoiding a one-sided loading of the roller shaft, drive wheels may be provided on both sides of the roller shaft, on which correspondingly arranged wheels preferably act with their running surfaces. This effect of the running surface of the impeller against the drive wheel can be done by force or friction. It is also conceivable that the running surface of the impeller acts positively or intermeshingly on the drive wheel.

Ein weiterer Vorteil einer Ausgestaltung der erfindungsgemäßen Lehre ist darin zu sehen, dass für die Walzenbürste und/oder für das Antriebsrad ein besonderer Verriegelungsmechanismus vorgesehen sein kann, nämlich zum Halten in der jeweiligen Arbeitsposition und/oder in der Entnahmeposition bzw. Freigabeposition. Auch diese Maßnahme begünstigt ein einfaches und bequemes Wechseln der Walzenbürste, da durch diese Maßnahme nämlich das Laufrad außer Eingriff von der Bürste festlegbar ist, so dass eine Entnahme der Walzenbürste ungehindert erfolgen kann.Another advantage of an embodiment of the teaching according to the invention is the fact that a special locking mechanism can be provided for the roller brush and / or for the drive wheel, namely for holding in the respective working position and / or in the removal position or release position. This measure also favors a simple and convenient change of the roller brush, because by this measure, namely, the impeller is disengaged from the brush, so that removal of the roller brush can be done without hindrance.

Es gibt nun verschiedene Möglichkeiten, die Lehre der vorliegenden Erfindung in vorteilhafter Weise auszugestalten und weiterzubilden. Dazu ist einerseits auf die nachgeordneten Ansprüche, andererseits auf die nachfolgende Erläuterung eines Ausführungsbeispiels der erfindungsgemäßen Vorrichtung anhand der Zeichnung zu verweisen. In Verbindung mit der Erläuterung des bevorzugten Ausführungsbeispiels der erfindungsgemäßen Vorrichtung anhand der Zeichnung werden auch im Allgemeinen bevorzugte Ausgestaltungen und Weiterbildungen der Lehre erläutert. In der Zeichnung zeigen

Fig. 1
in einer schematischen Seitenansicht ein Ausführungsbeispiel einer erfindungsgemässen Kehrmaschine, wobei sich sowohl die Walzenbürste als auch das Antriebsrad in der Arbeitsposition befinden,
Fig. 2
in einer schematischen Seitenansicht die Kehrmaschine aus Figur 1, wobei bei vom Boden abgehobener Kehrmaschine das Antriebsrad aufgrund seiner Schwerkraft in die Freigabeposition verlagert ist,
Fig. 3
in einer schematischen Seitenansicht die Kehrmaschine aus den Figuren 1 und 2, wobei die Walzenbürste am Laufrad vorbei aus ihrer Lagerung entnommen werden kann, und
Fig. 4
in einer schematischen Seitenansicht die Kehrmaschine aus den Figuren 1, 2 und 3, wobei die Walzenbürste am Laufrad vorbei aus ihrer Lagerung entnommen ist.
There are now various possibilities for designing and developing the teaching of the present invention in an advantageous manner. For this purpose, on the one hand to the subordinate claims, on the other hand, to refer to the following explanation of an embodiment of the device according to the invention with reference to the drawing. In connection with the explanation of the preferred embodiment of the device according to the invention with reference to the drawing, generally preferred embodiments and further developments of the teaching are explained. In the drawing show
Fig. 1
in a schematic side view of an embodiment of an inventive sweeper, both the roller brush and the drive wheel are in the working position,
Fig. 2
in a schematic side view of the sweeper FIG. 1 in which, with the sweeper lifted off the ground, the drive wheel is displaced into the release position due to its gravitational force,
Fig. 3
in a schematic side view of the sweeper from the FIGS. 1 and 2 , wherein the roller brush on the impeller over can be removed from their storage, and
Fig. 4
in a schematic side view of the sweeper from the FIGS. 1 . 2 and 3 , wherein the roller brush on the impeller is taken over from their storage.

Figuren 1 bis 4 zeigen ein Ausführungsbeispiel einer erfindungsgemäße Kehrmaschine, die im Wesentlichen ein Gehäuse 1, eine im Gehäuse 1 drehbar gelagerte Walzenbürste 2 und beidseits des Gehäuses 1 jeweils ein Laufrad 3, d.h. ein Laufradpaar, umfasst. Die Figuren lassen des Weiteren erkennen, dass ein weiteres kleines Laufrad 4 bzw. ein entsprechendes Laufradpaar vorgesehen ist, damit die Kehrmaschine insgesamt verfahrbar ist. FIGS. 1 to 4 show an embodiment of a sweeping machine according to the invention, which essentially comprises a housing 1, a rotatably mounted in the housing 1 roller brush 2 and on both sides of the housing 1 in each case an impeller 3, ie, an impeller pair comprises. The figures also show that a further small impeller 4 or a corresponding impeller pair is provided so that the sweeper is movable as a whole.

Die Laufräder 3 dienen zum Antrieb der Walzenbürste 2, wobei die Walzenbürste 2 von einer in Fig. 1 gezeigten Arbeitsposition über deren Positionierung in Fig. 2 in eine in Fig. 3 gezeigte Entnahmeposition verbringbar ist.The wheels 3 are used to drive the roller brush 2, wherein the roller brush 2 of a in Fig. 1 shown working position on their positioning in Fig. 2 in an in Fig. 3 shown removal position can be brought.

Des Weiteren sind die Laufräder 3 von einer in Fig. 1 gezeigten Arbeitsposition in eine in Fig. 2 gezeigte Freigabeposition bewegbar, wobei das Laufrad 3 die Walzenbürste 2 in der Arbeitsposition entsprechend der Darstellung in Fig. 1 kontaktiert und dort hält. In der in den Figuren 2, 3 und 4 gezeigten Freigabeposition ist das Laufrad 3 entweder außer Kontakt mit der Walzenbürste 2 oder kann die Walzenbürste 2 dem Laufrad in deren Entnahmeposition folgen, so dass die Walzenbürste 2 zur Entnahme freigegeben ist.Furthermore, the wheels 3 of a in Fig. 1 work position shown in a Fig. 2 shown release position movable, wherein the impeller 3, the roller brush 2 in the working position as shown in FIG Fig. 1 contacted and stopped there. In the in the Figures 2 . 3 and 4 shown release position, the impeller 3 either out of contact with the roller brush 2 or the roller brush 2 can follow the impeller in its removal position, so that the roller brush 2 is released for removal.

Die Figuren 1 bis 4 lassen des Weiteren erkennen, dass das Laufrad 3 von einer Laufradwelle 5 getragen ist, die wiederum im Gehäuse 1 gelagert ist. Genauer gesagt ist zur Lagerung der Laufradwelle 5 beidseits des Gehäuses 1 jeweils ein Schlitz 6 vorgesehen, der in der Gehäusewandung schräg verläuft, nämlich von der unteren, von der Walzenbürste 2 entfernten Freigabeposition in die obere, zu der Walzenbürste 2 nahe Arbeitsposition.The FIGS. 1 to 4 Let it further be seen that the impeller 3 is supported by an impeller shaft 5, which in turn is mounted in the housing 1. More precisely, a slot 6 is provided for supporting the impeller shaft 5 on both sides of the housing 1, which runs obliquely in the housing wall, namely from the lower, remote from the roller brush 2 release position in the upper, to the roller brush 2 near working position.

Die Figuren zeigen des Weiteren, dass das Gehäuse 1 im Bereich des Schlitzes 6 durch die dortige Vorkehrung eines entfernbaren Gehäuseteils 7 geöffnet werden kann. Nach Entfernen des Gehäuseteils 7 lässt sich das Laufrad 3 bzw. die Laufradwelle 5 vom Gehäuse 1 entnehmen. Die Figuren 1 bis 4 zeigen des Weiteren andeutungsweise, dass in den Schlitzen 6 eine untere Rastposition 8 durch Verbreiterung des Schlitzes 6 definiert ist, so dass ein Festlegen des Laufrades 3 in der Freigabeposition möglich ist.The figures further show that the housing 1 can be opened in the region of the slot 6 by the provision of a removable housing part 7 there. After removal of the housing part 7, the impeller 3 or the impeller shaft 5 can be removed from the housing 1. The FIGS. 1 to 4 further suggestively suggest that in the slots 6, a lower detent position 8 is defined by broadening of the slot 6, so that a determination of the impeller 3 in the release position is possible.

Wie bereits zuvor ausgeführt, ist die Walzenbürste 2 drehbar gelagert, und zwar über eine Walzenwelle 9. Die Walzenwelle 9 ist beidseits im Gehäuse 1 drehbar gelagert, wobei der Lagerbereich zum Auflegen der Walzenwelle 9 dient. Drückt das Laufrad 3 mit seiner Lauffläche 10 gegen ein drehfest mit der Walzenwelle 9 verbundenes Antriebsrad 11, ist die Walzenbürste 2 bzw. die Walzenwelle 9 in der Lagerung gesichert.As already stated above, the roller brush 2 is rotatably mounted, via a roller shaft 9. The roller shaft 9 is rotatably supported on both sides in the housing 1, wherein the bearing area serves for placing the roller shaft 9. Presses the impeller 3 with its tread 10 against a non-rotatably connected to the roller shaft 9 drive wheel 11, the roller brush 2 and the roller shaft 9 is secured in the storage.

Die Figuren lassen des Weiteren erkennen, dass bei dem hier gewählten Ausführungsbeispiel die Walzenbürste 2 Gruppierungen von Borsten 12 umfasst. Ebenso ist es denkbar, dass die Walzenbürste 2 mit andersartigen Elementen zum Zusammenkehren von Schmutz oder beliebigem Stückgut ausgestattet ist. Auch ist es dankbar, dass die Borsten oder die sonstigen Elemente sich um die Walzenwelle 9 spiralförmig erstrecken. Außerdem können die zum Zusammenkehren dienenden Elemente aus unterschiedlichsten Materialien gefertigt sein.The figures also show that in the exemplary embodiment selected here, the roller brush 2 comprises groups of bristles 12. It is also conceivable that the roller brush 2 is equipped with different elements for returning dirt or any cargo. Also, it is appreciated that the bristles or other elements extend spirally around the roller shaft 9. In addition, the serving for returning elements can be made of different materials.

Hinsichtlich weiterer vorteilhafter Ausgestaltungen der erfindungsgemäßen Kehrmaschine wird zur Vermeidung von Wiederholungen auf den allgemeinen Teil der Beschreibung sowie auf die beigefügten Patentansprüche verwiesen.With regard to further advantageous embodiments of the sweeping machine according to the invention, reference is made to avoid repetition to the general part of the specification and to the appended claims.

Claims (15)

  1. A sweeping machine comprising a housing (1), a rotary brush (2), which is rotatably supported in the housing (1) and which can be brought from a working position into a removal position, and comprising at least one running wheel (3), which can be moved from a working position into a release position, for driving the rotary brush (2), wherein the running wheel (3) contacts the rotary brush (2) in the working position and holds it there and it is not in contact with the rotary brush (2) in the release position such that said rotary brush (2) can be moved into the removal position and is released for removal, characterized in that the running wheel (3) is rotatably supported in the housing (1) via a running wheel shaft (5), which is held in a guide, which is embodied in the housing (1), serves for displacement into the working position and is defined by slits (6) embodied in the housing (1), said guide being embodied such that the running wheel (3) is pressed into the working position by means of the force, which acts in response to ground contact between the ground and the running wheel (3), wherein the slits (6) run diagonally from the lower release position, which is spaced apart from the rotary brush (2), into the upper working position, which is in proximity to the rotary brush (2).
  2. The sweeping machine according to claim 1, characterized in that provision is in each case made for a running wheel (3) on both sides within or outside of the housing (1), preferably close to the housing wall.
  3. The sweeping machine according to claim 1 or 2, characterized in that the slits (6) can be opened by opening the housing (1) or by removing a housing part (7), which forms the slit (6) with the remaining housing (1), for removing the drive wheel (11).
  4. The sweeping machine according to one of the preceding claims, characterized in that the slits (6) encompass a lower and/or upper latching position for the running wheel shaft (5).
  5. The sweeping machine according to one of the preceding claims, characterized in that, in the working position, the rotary brush (2) is rotatably supported on the housing (1) via a rotary shaft (9).
  6. The sweeping machine according to claim 5, characterized in that the support encompasses an area for placement and latching of the rotary shaft (9).
  7. The sweeping machine according to claim 5 or 6, characterized in that the support comprises a recess, which is open towards the running wheel (3).
  8. The sweeping machine according to one of the preceding claims, characterized in that, in the working position, the running wheel (3) acts with its running surface (10) on a drive wheel (11), which is connected to the rotary shaft (9) in a rotatably fixed manner.
  9. The sweeping machine according to claim 8, characterized in that provision is made on both sides of the rotary shaft (9) for drive wheels (11), on which the running wheels (3) act.
  10. The sweeping machine according to claim 8 or 9, characterized in that the running surface (10) of the running wheel (3) acts on the drive wheel (11) in a friction-locked or in a frictionally engaged manner.
  11. The sweeping machine according to claim 8 or 9, characterized in that the running surface (10) of the running wheel (3) acts on the drive wheel (11) in a positive manner or so as to mesh therewith.
  12. The sweeping machine according to one of the preceding claims, characterized in that the rotary brush (2) is provided with a locking mechanism for holding in the working position.
  13. The sweeping machine according to one of the preceding claims, characterized in that the drive wheel (11) is provided with a locking mechanism for holding in the working position.
  14. The sweeping machine according to one of claims 1 to 13, characterized in that the rotary brush (2) is provided with a locking mechanism for holding in the removal position and/or in the release position.
  15. The sweeping machine according to one of claims 1 to 14, characterized in that the drive wheel (11) is provided with a locking mechanism for holding in the removal position and/or in the release position.
EP07702861.1A 2006-01-20 2007-01-18 Sweeping machine with removable rotary brush Active EP1976420B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610003086 DE102006003086B3 (en) 2006-01-20 2006-01-20 Sweeping machine has housing and rotary brush, which is send from work position to withdrawal position whereby impeller is movable from work position to disengaging position
PCT/EP2007/000419 WO2007085375A1 (en) 2006-01-20 2007-01-18 Sweeping machine with removable rotary brush

Publications (2)

Publication Number Publication Date
EP1976420A1 EP1976420A1 (en) 2008-10-08
EP1976420B1 true EP1976420B1 (en) 2014-12-03

Family

ID=38038020

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07702861.1A Active EP1976420B1 (en) 2006-01-20 2007-01-18 Sweeping machine with removable rotary brush

Country Status (3)

Country Link
EP (1) EP1976420B1 (en)
DE (1) DE102006003086B3 (en)
WO (1) WO2007085375A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019112257B4 (en) * 2019-05-10 2022-04-28 Franziska Mehlhorn Device for clearing yards and meadows
CN113842083B (en) * 2021-11-12 2023-11-14 珠海格力电器股份有限公司 Rolling brush assembly, ground brush and dust collector

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE623613C (en) 1931-10-20
FR1307144A (en) 1961-11-30 1962-10-19 New type of mechanical broom
DE1962155U (en) * 1964-07-08 1967-06-15 Guenter Leifheit K G CARPET SWEEPING MACHINE.
DE1920789U (en) * 1965-06-12 1965-08-05 Gunter Leifheit K G CARPET SWEEPING MACHINE, WHICH HAS BEEN MOUNTED WHEELS AND A DRIVEN BRUSH ROLLER.
US4124913A (en) * 1977-06-29 1978-11-14 Bissell, Inc. Floor sweeper with unitary frame
GB2082448B (en) * 1980-08-21 1984-09-05 Sabco Ltd Carpet sweepers
DE3100372A1 (en) * 1981-01-09 1982-08-12 Leifheit International Günter Leifheit GmbH, 5408 Nassau "GROUND SWEEPER"

Also Published As

Publication number Publication date
WO2007085375A1 (en) 2007-08-02
DE102006003086B3 (en) 2007-05-31
EP1976420A1 (en) 2008-10-08

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