EP1956955B1 - Vacuum cleaner comprising a cyclone dust collector - Google Patents

Vacuum cleaner comprising a cyclone dust collector Download PDF

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Publication number
EP1956955B1
EP1956955B1 EP06794014.8A EP06794014A EP1956955B1 EP 1956955 B1 EP1956955 B1 EP 1956955B1 EP 06794014 A EP06794014 A EP 06794014A EP 1956955 B1 EP1956955 B1 EP 1956955B1
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EP
European Patent Office
Prior art keywords
vacuum cleaner
housing
centrifugal separator
cyclone separator
dust
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
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EP06794014.8A
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German (de)
French (fr)
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EP1956955A1 (en
Inventor
Armin Böck
Marko Geis
Michael Krammer
Heribert Schwarz
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication of EP1956955A1 publication Critical patent/EP1956955A1/en
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Publication of EP1956955B1 publication Critical patent/EP1956955B1/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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1691—Mounting or coupling means for cyclonic chamber or dust receptacles

Definitions

  • the invention relates to a vacuum cleaner with a centrifugal separator according to the preamble of claim 1.
  • Such vacuum cleaners are known from various applications.
  • Components of such a vacuum cleaner are essentially one or more nozzles for sucking the dust, a suction pipe, which is designed depending on the structure of the vacuum cleaner as a floor, hand or upright sucker shorter or longer or rigid or flexible, one or more centrifugal ,
  • a dust container which may be part of the centrifugal or the centrifugal separator or is designed as a separate dust collector, a vacuum chamber through which the air is sucked by a fan, and optionally a fine dust filter for cleaning the outgoing air.
  • a generic vacuum cleaner is from the DE 100 21 594 A1 known.
  • the vacuum cleaner described there essentially comprises the usual components of a conventional vacuum cleaner.
  • the housing is formed by a lower shell and a dust chamber lid.
  • a dust box instead of the dust bag is a dust box, consisting of a centrifugal separator comprising a dip tube, a dust collection chamber and a filter.
  • a centrifugal separator comprising a dip tube, a dust collection chamber and a filter.
  • the invention has for its object to develop a vacuum cleaner with centrifugal separator, which is even easier to use.
  • connection between the centrifugal separator and the housing is flexible and resilient, so that the centrifugal automatically pivots away from the housing in its rest position and is held against the restoring force caused by the spring force by means of a releasable attachment to the housing.
  • the centrifugal separator thus automatically pivots away from the housing and thus releases the dust collecting container below it so that it can be removed.
  • the fact that the centrifugal separator automatically pivots away from the housing it is no longer necessary that the user decreases the centrifugal separator for removing the dust box from the housing.
  • the centrifugal separator is supported at the end opposite the pivoting mechanism by means of a releasable connection to the housing in its operating position. From a holder which is arranged as far away from the return element of the centrifugal separator, the centrifugal separator easiest way by itself, because the centrifugal separator due to the restoring force acting over the long lever is particularly efficient simply lifted from its holder.
  • the holder for the centrifugal separator is arranged on the housing handle. This measure also supports the possibility of one-hand operation.
  • connection with the centrifugal separator is fixed to the housing is designed as a latching connection.
  • the locking connection is easily actuated with a release button, in which a latching hook is released from its connection.
  • the flexible element pivoting the centrifugal separator into the removal position of the dust collecting container is designed as an elastic hose.
  • a tube may have intrinsic spring action. This represents a particularly cost-effective solution of a restoring element, since a tubular air duct between centrifugal separator and housing is needed anyway and no other components are needed if the spring action of such an element itself is utilized.
  • a particularly advantageous embodiment of a flexible hose with restoring force is a hose with integrated spiral spring.
  • the hose itself may be formed of a particularly inexpensive material, in which only a metallic coil spring is cast.
  • Such hoses are available as standard elements.
  • a joint is provided in the region of the connection between centrifugal force separator and housing, which performs the pivoting movement of the centrifugal separator.
  • the joint has a slotted guide. This makes it possible to realize a very controlled, extremely wear-insensitive pivoting movement of the centrifugal separator, which can also be easily limited by stops.
  • the return element pivoting away from the centrifugal separator is realized via a resilient joint.
  • a leg spring is installed in a backdrop-guided joint. This is a particularly inexpensive and stable embodiment of such a return element.
  • the pivoting joint leading joint is arranged on a connecting piece, which holds the centrifugal separator releasably in the housing.
  • a connecting piece which holds the centrifugal separator releasably in the housing.
  • connection piece is fixed to the housing via a latching connection.
  • a locking connection is easily solvable in the event of a blockage for troubleshooting, so that the centrifugal separator can be removed easily at any time in this case without the use of tools.
  • Another advantage of a latching connection is that the housing no threads or other fasteners are provided, so that the housing can be very easily constructed.
  • FIG. 1 shows a section through a vacuum cleaner 5 according to the invention with centrifugal separator 1, which is connected via a connecting hose 2 with the housing 4 of the vacuum cleaner 5 removably attached hose nozzle 3.
  • the hose nozzle 3 engages via a latching connection in the housing 4 of the vacuum cleaner 5, so that it can be detached, if it comes in the connection area between centrifugal 1 and 5 vacuum cleaner to blockage. As a result, a frequent failure of the vacuum cleaner 5 can be avoided.
  • the trained on the vacuum cleaner 5 receptacle for the hose nozzle 3 is formed as well as the receptacle for the hose nozzle of the suction pipe of a conventional dust bag vacuum cleaner.
  • the centrifugal separator 1 is pivotally mounted about the pivot point, so that it can be pivoted away from the vacuum cleaner 5 in a range of about 90 ° for removing the vacuum cleaner located below it in the 5 separate dust box.
  • the fulcrum is located in an axis which is part of a hinge 6 which can not be represented in this sectional view.
  • this joint 6 which stabilizes the connection between the detachable hose nozzle 3 and the centrifugal separator 1, the connecting hose 2 is guided during the pivoting movement.
  • the joint 6 is equipped with a slotted guide.
  • In addition to the air outlet region 7 is airtight separated from this the air inlet region 9 of the centrifugal separator 1.
  • the suction pipe 11 connected via the connection piece 10 to the centrifugal separator 1 enters the centrifugal separator 1 in a straight line.
  • the inflowing air is guided in a straight line past the unavoidable edges resulting from the connection between the suction pipe 11 and the separator 1, so that there is no potential for setting larger dust particles entrained in the air. Turbulence caused by the air deflection and can cause blockages when passing such edges, arise only in the interior of the vortex tube 12, where no edges occur.
  • the air in the lower region of the air inlet 9 is deflected by means of a formed in the air inlet region 9 in the interior of the vortex tube 12 Archimedean screw.
  • the centrifugal separator 1 is a in the FIGS. 2 and 3 Detent connection 19 shown in detail held on the handle 17 of the vacuum cleaner 5.
  • the handle 17 has a release button 18, which must be pressed to release the locking connection 19 down.
  • the release button 18 is pressed, the latching tongue 19 is pushed away from the cover 13, in which it engages in the closed state, and thus releases the centrifugal separator 1.
  • the connecting hose 2 between centrifugal separator 1 and hose nozzle 3 is formed as a spiral hose with an integrated metallic coil spring and thus has intrinsic restoring force, which lifts the centrifugal separator 1 from the vacuum cleaner 5 and in a by about 90 to the occupied in the working position in the FIG. 1 pivoted position shown.
  • This joint 6 also has a non-visible in the sectional view of stop, which defines the rest position of the centrifugal separator 1, in which the centrifugal separator is approximately perpendicular to the vacuum cleaner 5 and not shown in the interior of the vacuum cleaner 5 stored dust box for removal.
  • the dust box is released for emptying by the user actuates the release button 18 on the handle 17.
  • the unfolding of the centrifugal separator 1 thus takes place automatically by releasing the release button 18, without any further manipulation of the user would be necessary.
  • the FIGS. 2 and 3 show the set by pressing the release button 18 in progress mechanism for opening the locking connection 19 again in detail in the closed or opened state.

Description

Die Erfindung betrifft einen Staubsauger mit einem Fliehkraftabscheider nach dem Oberbegriff von Anspruch 1.The invention relates to a vacuum cleaner with a centrifugal separator according to the preamble of claim 1.

Derartige Staubsauger sind aus verschiedensten Anmeldungen bekannt. Bestandteile eines derartigen Staubsaugers sind im Wesentlichen eine oder mehrere Düsen zum Einsaugen des Staubes, ein Saugrohr, welches je nach Aufbau des Staubsaugers als Boden-, Hand- oder Upright-sauger kürzer oder länger bzw. starr oder flexibel ausgeführt ist, ein oder mehrere Fliehkraftabscheider, ein Staubbehälter, der Bestandteil des oder der Fliehkraftabscheider sein kann oder als separater Staubsammelbehälter ausgebildet ist, ein Unterdruckraum, über den die Luft von einem Gebläse angesaugt wird, sowie gegebenenfalls ein Feinstaubfilter zum Endreinigen der austretenden Luft.Such vacuum cleaners are known from various applications. Components of such a vacuum cleaner are essentially one or more nozzles for sucking the dust, a suction pipe, which is designed depending on the structure of the vacuum cleaner as a floor, hand or upright sucker shorter or longer or rigid or flexible, one or more centrifugal , A dust container, which may be part of the centrifugal or the centrifugal separator or is designed as a separate dust collector, a vacuum chamber through which the air is sucked by a fan, and optionally a fine dust filter for cleaning the outgoing air.

Ein gattungsgemäßer Staubsauger ist aus der DE 100 21 594 A1 bekannt. Der dort beschriebene Staubsauger umfasst im Wesentlichen die gewöhnlichen Bauteile eines herkömmlichen Bodenstaubsaugers. Das Gehäuse wird von einer Unterschale und einem Staubraumdeckel gebildet. In dem Staubraum befindet sich jedoch anstelle des Staubbeutels eine Staubbox, bestehend aus einem Fliehkraftabscheider der ein Tauchrohr umfasst, einem Staubsammelraum und einem Filter. Es ist sehr beliebt, derartige Staubsauger aus herkömmlichen Staubbeutel-Staubsaugern zu entwickeln, wodurch Entwicklungskosten gespart werden können, indem alle verwendbaren Bauteile des herkömmlichen Staubsaugers auch in der beutellosen Variante weiter verwendet werden. So wird in der DE 100 21 594 A1 vorgeschlagen, die Staubbox einfach an Stelle des bisherigen Staubbeutels in einen herkömmlichen Staubsauger einzufügen um so das bekannte Gehäuse wieder zu verwenden. Nachteilig ist dabei, dass der Sammelraum, der nunmehr für das Sammeln des Staubes zur Verfügung steht, aufgrund des Platzbedarfes insbesondere des Fliehkraftabscheiders deutlich verringert ist.A generic vacuum cleaner is from the DE 100 21 594 A1 known. The vacuum cleaner described there essentially comprises the usual components of a conventional vacuum cleaner. The housing is formed by a lower shell and a dust chamber lid. In the dust chamber, however, instead of the dust bag is a dust box, consisting of a centrifugal separator comprising a dip tube, a dust collection chamber and a filter. It is very popular to develop such vacuum cleaner from conventional dust bag vacuum cleaners, which development costs can be saved by all usable components of the conventional vacuum cleaner are also used in the bagless version. So will in the DE 100 21 594 A1 proposed to simply insert the dust box in place of the previous dust bag in a conventional vacuum cleaner so as to reuse the known housing. The disadvantage here is that the collecting space, which is now available for the collection of dust, due to the space required in particular the centrifugal separator is significantly reduced.

Deshalb wurden Staubsauger mit Fliehkraftabscheider wie der in der DE 102005047075 beschriebene entwickelt, bei denen der oder die Fliehkraftabscheider auf den Staubraum aufgesetzt sind. Dadurch wird vermieden, dass die Staubsammelkapazität durch den zusätzlich benötigten Fliehkraftabscheider beschränkt wird. Zur Entnahme des unter ihm angeordneten Staubsammelbehälters wird der Fliehkraftabscheider mittels eines am Staubsaugergehäuses angeordneten Gelenks weggeschwenkt.Therefore were vacuum cleaners with centrifugal separator like the one in the DE 102005047075 described in which the centrifugal force or the centrifugal separator are placed on the dust chamber. This avoids that the dust collection capacity is limited by the additionally required centrifugal separator. To take the under him arranged Staubsammelbehälters the centrifugal separator is pivoted away by means of a joint arranged on the vacuum cleaner housing.

Ein weiterer Staubsauger mit den Merkmalen des Oberbegriffs des Anspruchs 1 ist aus der EP 0 489 468 A1 bekannt.Another vacuum cleaner with the features of the preamble of claim 1 is known from EP 0 489 468 A1 known.

Der Erfindung liegt die Aufgabe zugrunde, einen Staubsauger mit Fliehkraftabscheider zu entwickeln, der noch einfacher zu bedienen ist.The invention has for its object to develop a vacuum cleaner with centrifugal separator, which is even easier to use.

Gelöst wird die Aufgabe gemäß der Erfindung durch einen Staubsauger mit Fliehkraftabscheider mit den Merkmalen von Anspruch 1.The object is achieved according to the invention by a vacuum cleaner with centrifugal separator with the features of claim 1.

Erfindungsgemäß ist die Verbindung zwischen Fliehkraftabscheider und Gehäuse flexibel und federnd ausgeführt, so dass der Fliehkraftabscheider selbsttätig in seine Ruheposition vom Gehäuse weg schwenkt und nur gegen die durch die Federkraft bewirkte Rückstellkraft mittels einer lösbaren Befestigung am Gehäuse gehalten wird. Sobald die Halterung gelöst wird schwenkt der Fliehkraftabscheider also automatisch vom Gehäuse weg und gibt damit den unter ihm liegenden Staubsammelbehälter frei, so dass dieser entnommen werden kann. Dadurch dass der Fliehkraftabscheider selbsttätig vom Gehäuse wegschwenkt ist es nicht mehr notwendig, dass der Benutzer den Fliehkraftabscheider zur Entnahme der Staubbox vom Gehäuse abnimmt. Der Benutzer muss nunmehr lediglich einen Auslösemechanismus betätigen, der die Halterung des Fliehkraftabscheiders öffnet, woraufhin dieser automatisch hochklappt und die Staubbox freigibt. Dies erlaubt eine besonders benutzerfreundliche Einhandbedienung des Staubsaugers sogar bei der Entnahme des Staubsammelbehälters.According to the connection between the centrifugal separator and the housing is flexible and resilient, so that the centrifugal automatically pivots away from the housing in its rest position and is held against the restoring force caused by the spring force by means of a releasable attachment to the housing. As soon as the holder is released, the centrifugal separator thus automatically pivots away from the housing and thus releases the dust collecting container below it so that it can be removed. The fact that the centrifugal separator automatically pivots away from the housing, it is no longer necessary that the user decreases the centrifugal separator for removing the dust box from the housing. The user now only has to actuate a trigger mechanism which opens the holder of the centrifugal separator, whereupon this automatically folds up and releases the dust box. This allows a particularly user-friendly one-hand operation of the vacuum cleaner even when removing the dust collector.

Vorteilhafterweise ist der Fliehkraftabscheider an dem dem Schwenkmechanismus gegenüberliegenden Ende mittels einer lösbaren Verbindung am Gehäuse in seiner Betriebsposition gehaltert. Aus einer Halterung, die möglichst weit entfernt von dem Rückstellelement des Fliehkraftabscheiders angeordnet ist, löst sich der Fliehkraftabscheider am einfachsten von selbst, da der Fliehkraftabscheider aufgrund der Rückstellkraft die über den langen Hebel besonders effizient wirkt einfach aus seiner Halterung gehoben werden kann.Advantageously, the centrifugal separator is supported at the end opposite the pivoting mechanism by means of a releasable connection to the housing in its operating position. From a holder which is arranged as far away from the return element of the centrifugal separator, the centrifugal separator easiest way by itself, because the centrifugal separator due to the restoring force acting over the long lever is particularly efficient simply lifted from its holder.

In einer besonders vorteilhaften Ausführungsform ist die Halterung für den Fliehkraftabscheider am Gehäusegriff angeordnet. Auch diese Maßnahme unterstützt die Möglichkeit der Einhandbedienung.In a particularly advantageous embodiment, the holder for the centrifugal separator is arranged on the housing handle. This measure also supports the possibility of one-hand operation.

Vorteilhafterweise ist die Verbindung mit der der Fliehkraftabscheider am Gehäuse fixiert ist als Rastverbindung ausgebildet. Die Rastverbindung ist mit einem Auslöseknopf einfach betätigbar, in dem ein Rasthaken aus seiner Verbindung gelöst wird.Advantageously, the connection with the centrifugal separator is fixed to the housing is designed as a latching connection. The locking connection is easily actuated with a release button, in which a latching hook is released from its connection.

In einer weiteren vorteilhaften Ausführungsform ist das den Fliehkraftabscheider in die Entnahmeposition des Staubsammelbehälters schwenkende flexible Element als elastischer Schlauch ausgebildet. Je nach Formgebung und Materialwahl kann ein derartiger Schlauch intrinsische Federwirkung aufweisen. Dies stellt eine besonders kostengünstige Lösung eines Rückstellelements dar, da eine rohrförmige Luftführung zwischen Fliehkraftabscheider und Gehäuse ohnehin benötigt wird und keine weiteren Bauteile nötig sind, wenn die Federwirkung eines solchen Elements selbst ausgenützt wird.In a further advantageous embodiment, the flexible element pivoting the centrifugal separator into the removal position of the dust collecting container is designed as an elastic hose. Depending on the shape and choice of material, such a tube may have intrinsic spring action. This represents a particularly cost-effective solution of a restoring element, since a tubular air duct between centrifugal separator and housing is needed anyway and no other components are needed if the spring action of such an element itself is utilized.

Eine besonders vorteilhafte Ausführungsform eines flexiblen Schlauches mit Rückstellkraft ist ein Schlauch mit integrierter Spiralfeder. Bei einem derartigen Schlauch kann der Schlauch selbst aus einem besonders kostengünstigen Material ausgebildet sein, in das lediglich eine metallische Spiralfeder eingegossen ist. Derartige Schläuche sind als Standardelemente erhältlich.A particularly advantageous embodiment of a flexible hose with restoring force is a hose with integrated spiral spring. In such a hose, the hose itself may be formed of a particularly inexpensive material, in which only a metallic coil spring is cast. Such hoses are available as standard elements.

In einer weiteren vorteilhaften Ausführungsform ist im Bereich der Verbindung zwischen Fliehkraftabscheider und Gehäuse ein Gelenk vorgesehen, das die Schwenkbewegung des Fliehkraftabscheiders führt. Dadurch dass die Bewegungsrichtung durch das Gelenk eingeschränkt ist, kann der flexible Schlauch besonders einfach ausgeführt sein, da er lediglich der Luftführung und der Ausübung der Rückstellkraft dient, nicht aber so stabil sein muss, dass er den gesamten Fliehkraftabscheider in einer vorgegebenen Bahn hält. Diese Funktion wird nunmehr durch ein einfach strukturiertes Gelenk übernommen.In a further advantageous embodiment, a joint is provided in the region of the connection between centrifugal force separator and housing, which performs the pivoting movement of the centrifugal separator. The fact that the direction of movement is limited by the joint, the flexible hose can be made very simple, since it only serves the air flow and the exercise of the restoring force, but need not be so stable that it keeps the entire centrifugal separator in a predetermined path. This function is now taken over by a simply structured joint.

Vorteilhafterweise weist das Gelenk eine Kulissenführung auf. Hierdurch lässt sich eine sehr kontrollierte, extrem Verschleiß unempfindliche Schwenkbewegung des Fliehkraftabscheiders realisieren, die auch einfach durch Anschläge eingeschränkt werden kann.Advantageously, the joint has a slotted guide. This makes it possible to realize a very controlled, extremely wear-insensitive pivoting movement of the centrifugal separator, which can also be easily limited by stops.

In einer weiteren vorteilhaften Ausführungsform ist das den Fliehkraftabscheider wegschwenkende Rückstellelement über ein federndes Gelenk realisiert. Dadurch kann der Verbindungsschlauch zwischen Fliehkraftabscheider und Gehäuse besonders einfach ausgebildet sein, über das Gelenk wird eine kontrollierte Schwenkbewegung bewirkt.In a further advantageous embodiment, the return element pivoting away from the centrifugal separator is realized via a resilient joint. This can the connecting hose between centrifugal separator and housing be particularly simple, via the joint a controlled pivoting movement is effected.

Vorteilhafterweise ist eine Schenkelfeder in ein kulissengeführtes Gelenk eingebaut. Dies ist eine besonders kostengünstige und beständige Ausführungsform eines derartigen Rückstellelements.Advantageously, a leg spring is installed in a backdrop-guided joint. This is a particularly inexpensive and stable embodiment of such a return element.

In einer weiteren vorteilhaften Ausführungsform ist das die Schwenkbewegung führende Gelenk an einem Verbindungsstutzen angeordnet, der den Fliehkraftabscheider lösbar im Gehäuse haltert. Dadurch stehen für den Aufbau des Gelenkes zwei starre Bauteile zur Verfügung, die über das Gelenk verbindbar sind. Dies ist zum einen der lösbare Verbindungsstutzen, zum anderen der Fliehkraftabscheider, der gegen den Verbindungsstutzen geschwenkt wird. Dadurch dass das Gelenk nicht am Gehäuse selbst, sondern am Verbindungsstutzen befestigt ist, kann der gesamte Fliehkraftabscheider gemeinsam mit dem Rückstellelement und einem eventuellen Verbindungsschlauch entnommen werden, falls es zu einer Verstopfung im Bereich des Luftauslasses oder der Verbindung selbst kommt. Somit kann eine derartige Verstopfung einfach behoben werden, ohne dass ein Kundendienst für den Staubsauger angefordert werden muss.In a further advantageous embodiment, the pivoting joint leading joint is arranged on a connecting piece, which holds the centrifugal separator releasably in the housing. As a result, two rigid components are available for the construction of the joint, which can be connected via the joint. This is on the one hand, the detachable connection piece, on the other hand, the centrifugal separator, which is pivoted against the connecting piece. The fact that the joint is not attached to the housing itself, but on the connection piece, the entire centrifugal separator can be removed together with the return element and a possible connecting hose, if there is a blockage in the region of the air outlet or the connection itself. Thus, such a blockage can be easily resolved without having to request customer service for the vacuum cleaner.

Vorzugsweise ist der Verbindungsstutzen über eine Rastverbindung am Gehäuse fixiert. Eine Rastverbindung ist im Falle einer Verstopfung für die Fehlerbehebung einfach lösbar, so dass der Fliehkraftabscheider in diesem Fall ohne den Einsatz von Werkzeug jederzeit problemlos entnommen werden kann. Weiterer Vorteil einer Rastverbindung ist, dass am Gehäuse keinerlei Gewinde oder andere Verbindungselemente vorzusehen sind, so dass das Gehäuse sehr einfach konstruiert werden kann.Preferably, the connection piece is fixed to the housing via a latching connection. A locking connection is easily solvable in the event of a blockage for troubleshooting, so that the centrifugal separator can be removed easily at any time in this case without the use of tools. Another advantage of a latching connection is that the housing no threads or other fasteners are provided, so that the housing can be very easily constructed.

Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus den Unteransprüchen im Zusammenhang mit der Beschreibung eines Ausführungsbeispiels, das anhand der Zeichnungen eingehend erläutert wird.
Es zeigen:

Figur 1:
einen erfindungsgemäß aufgebauten Staubsauger mit Fliehkraftabscheider im Querschnitt und
Figur 2 und 3:
einen Detailausschnitt aus dem in Figur 1 dargestellten Staubsauger mit der Halterung des Fliehkraftabscheiders in geschlossenem und geöffnetem Zustand.
Further details and advantages of the invention will become apparent from the dependent claims in conjunction with the description of an embodiment which is explained in detail with reference to the drawings.
Show it:
FIG. 1:
a vacuum cleaner according to the invention constructed with centrifugal separator in cross section and
FIGS. 2 and 3:
a detail from the in FIG. 1 shown vacuum cleaner with the holder of the centrifugal separator in the closed and opened state.

Figur 1 zeigt einen Schnitt durch einen erfindungsgemäßen Staubsauger 5 mit Fliehkraftabscheider 1, der über einen Verbindungsschlauch 2 mit dem am Gehäuse 4 des Staubsaugers 5 lösbar befestigten Schlauchstutzen 3 verbunden ist. Der Schlauchstutzen 3 greift über eine Rastverbindung in das Gehäuse 4 des Staubsaugers 5 ein, so dass er abgelöst werden kann, falls es in dem Verbindungsbereich zwischen Fliehkraftabscheider 1 und Staubsauger 5 zu einer Verstopfung kommt. Dadurch kann ein häufig auftretender Ausfall des Staubsaugers 5 vermieden werden. Die am Staubsauger 5 ausgebildete Aufnahme für den Schlauchstutzen 3 ist ebenso wie die Aufnahme für den Schlauchstutzen des Saugrohres eines herkömmlichen Staubbeutelstaubsaugers ausgebildet. Der Fliehkraftabscheider 1 ist schwenkbar um den Drehpunkt gelagert, so dass er zur Entnahme der unter ihm im Staubsauger 5 befindlichen separaten Staubbox vom Staubsauger 5 in einem Bereich von ca. 90° weggeschwenkt werden kann. Der Drehpunkt ist in einer Achse lokalisiert, die Bestandteil eines in dieser Schnittdarstellung nicht darstellbaren Gelenks 6 ist. In diesem Gelenk 6, das die Verbindung zwischen dem lösbaren Schlauchstutzen 3 und dem Fliehkraftabscheider 1 stabilisiert, wird der Verbindungsschlauch 2 bei der Schwenkbewegung geführt. Das Gelenk 6 ist mit einer Kulissenführung ausgestattet. Der Verbindungsschlauch 2 mündet im Luftauslassbereich 7 in das Tauchrohr 8 des Fliehkraftabscheiders 1. Neben dem Luftaustrittsbereich 7 befindet sich luftdicht von diesem getrennt der Lufteintrittsbereich 9 des Fliehkraftabscheiders 1. Dieser ist im Bereich des Verbindungsstutzens 10 des Saugrohres 11 parallel zum Luftauslass 7 angeordnet. Dadurch tritt die Luft in axialer Richtung über den Lufteinlass 9 in den Fliehkraftabscheider 1 ein. Um genügend Platz für den Lufteinlass 9 und die an diesem erfolgende Ausbildung des Abscheidewirbels zu erhalten, ist das Tauchrohr 8 gekröpft ausgebildet. Dadurch mündet der Luftauslass 7 des Tauchrohres 8 im äußeren Wandbereich des Wirbelrohres 12 des Fliehkraftabscheiders 1. An dem dem Lufteinlass 9 und Luftauslass 7 des Fliehkraftabscheiders 1 gegenüberliegenden Ende des Wirbelrohres 12 ist an einem lösbar befestigten Deckel 13 ein ins Innere des Fliehkraftabscheiders 1 hineinreichender Apexkegel 14 ausgeformt. An diesem wird der vom Lufteinlass 9 durch das Wirbelrohr 12 zum gegenüberliegenden Ende strömende Luftwirbel ins Innere des Fliehkraftabscheiders 1 zum Tauchrohr 8 hin umgelenkt. Durch das Tauchrohr 8 wird der umgelenkte Luftwirbel über den Luftauslass 7 an den Staubsauger 5 abgegeben. Im Bereich der Luftumlenkung 15 befindet sich seitlich an der Wand des Wirbelrohres 12 ein Schmutzauswurf 16, welcher als Öffnung im Wirbelrohr 12 ausgebildet ist. Über diesen wird der aus der verwirbelten Luft über Zentrifugalkräfte abgeschiedene Staub an einen nicht dargestellten separaten Staubsammelbehälter abgegeben, welcher sich im Staubsauger 5 befindet. Aufgrund der axialen Anordnung des Lufteinlasses 9 tritt das über den Verbindungsstutzen 10 mit dem Fliehkraftabscheider 1 verbundene Saugrohr 11 geradlinig in den Fliehkraftabscheider 1 ein. Dadurch wird die einströmenden Luft geradlinig an den aufgrund der Verbindung entstehenden unvermeidbaren Kanten zwischen dem Saugrohr 11 und dem Abscheider 1 vorbeigeführt, so dass kein Potential zum Festsetzen von in der Luft mitgeführten größeren Staubpartikeln gegeben ist. Verwirbelungen die durch die Luftumlenkung entstehen und die beim Passieren derartiger Kanten Verstopfungen verursachen können, entstehen erst im Inneren des Wirbelrohres 12, wo keine Kanten mehr auftreten. Hier wird die Luft im unteren Bereich des Lufteinlasses 9 mittels einer im Lufteinlassbereich 9 im Inneren des Wirbelrohres 12 angeformten archimedischen Schnecke umgelenkt. FIG. 1 shows a section through a vacuum cleaner 5 according to the invention with centrifugal separator 1, which is connected via a connecting hose 2 with the housing 4 of the vacuum cleaner 5 removably attached hose nozzle 3. The hose nozzle 3 engages via a latching connection in the housing 4 of the vacuum cleaner 5, so that it can be detached, if it comes in the connection area between centrifugal 1 and 5 vacuum cleaner to blockage. As a result, a frequent failure of the vacuum cleaner 5 can be avoided. The trained on the vacuum cleaner 5 receptacle for the hose nozzle 3 is formed as well as the receptacle for the hose nozzle of the suction pipe of a conventional dust bag vacuum cleaner. The centrifugal separator 1 is pivotally mounted about the pivot point, so that it can be pivoted away from the vacuum cleaner 5 in a range of about 90 ° for removing the vacuum cleaner located below it in the 5 separate dust box. The fulcrum is located in an axis which is part of a hinge 6 which can not be represented in this sectional view. In this joint 6, which stabilizes the connection between the detachable hose nozzle 3 and the centrifugal separator 1, the connecting hose 2 is guided during the pivoting movement. The joint 6 is equipped with a slotted guide. In addition to the air outlet region 7 is airtight separated from this the air inlet region 9 of the centrifugal separator 1. This is arranged in the region of the connecting piece 10 of the suction pipe 11 parallel to the air outlet 7. As a result, the air enters the centrifugal separator 1 via the air inlet 9 in the axial direction. In order to obtain sufficient space for the air inlet 9 and taking place on this formation of Abscheidewirbels, the dip tube 8 is formed cranked. At the end of the vortex tube 12 opposite the air inlet 9 and air outlet 7 of the centrifugal separator 1, an apex cone 14 extending into the interior of the centrifugal separator 1 is attached to a detachably secured cover 13 formed. At this is the air vortex flowing from the air inlet 9 through the vortex tube 12 to the opposite end into the interior of the Centrifugal separator 1 to the dip tube 8 deflected out. Through the dip tube 8, the deflected air vortex is discharged via the air outlet 7 to the vacuum cleaner 5. In the area of the air deflection 15 is located laterally on the wall of the vortex tube 12, a dirt discharge 16, which is designed as an opening in the vortex tube 12. About this, the separated from the turbulent air via centrifugal dust is discharged to a separate dust collection container, not shown, which is located in the vacuum cleaner 5. Due to the axial arrangement of the air inlet 9, the suction pipe 11 connected via the connection piece 10 to the centrifugal separator 1 enters the centrifugal separator 1 in a straight line. As a result, the inflowing air is guided in a straight line past the unavoidable edges resulting from the connection between the suction pipe 11 and the separator 1, so that there is no potential for setting larger dust particles entrained in the air. Turbulence caused by the air deflection and can cause blockages when passing such edges, arise only in the interior of the vortex tube 12, where no edges occur. Here, the air in the lower region of the air inlet 9 is deflected by means of a formed in the air inlet region 9 in the interior of the vortex tube 12 Archimedean screw.

Der Fliehkraftabscheider 1 ist über eine in den Figuren 2 und 3 detaillierter gezeigte Rastverbindung 19 an dem Griff 17 des Staubsaugers 5 gehaltert. Der Griff 17 weist einen Auslöseknopf 18 auf, der zum Lösen der Rastverbindung 19 nach unten gedrückt werden muss. Sobald der Auslöseknopf 18 gedrückt wird, wird die Rastzunge 19 vom Deckel 13, in den sie in geschlossenem Zustand eingreift, weggedrückt, und gibt damit den Fliehkraftabscheider 1 frei. Der Verbindungsschlauch 2 zwischen Fliehkraftabscheider 1 und Schlauchstutzen 3 ist als Spiralschlauch mit einer integrierten metallischen Spiralfeder ausgebildet und weist somit intrinsische Rückstellkraft auf, welche den Fliehkraftabscheider 1 vom Staubsauger 5 weghebt und in eine um ca. 90 zu der in der Arbeitsstellung eingenommenen in der Figur 1 dargestellten Position verschwenkt. Bei der Schwenkbewegung wird der Verbindungsschlauch 2 in dem Gelenk 6 geführt. Dieses Gelenk 6 weist ferner einen in der Schnittdarstellung nicht sichtbaren Anschlag auf, der die Ruheposition des Fliehkraftabscheiders 1 definiert, in der der Fliehkraftabscheider etwa senkrecht zum Staubsauger 5 steht und eine nicht dargestellte im Inneren des Staubsaugers 5 gelagerte Staubbox zur Entnahme freigibt. Durch diese selbsttätige Schwenkbewegung des Fliehkraftabscheiders 1, welche aufgrund der Rückstellkraft des Verbindungselements 2 bewirkt wird, wird die Staubbox zum Entleeren freigegeben, indem der Benutzer den Auslöseknopf 18 am Griff 17 betätigt. Das Aufklappen des Fliehkraftabscheiders 1 erfolgt also automatisch durch Lösen des Auslöseknopfes 18, ohne dass ein weiterer Handgriff des Benutzers notwendig wäre. Die Figuren 2 und 3 zeigen den durch Drücken des Auslöseknopfes 18 in Gang gesetzten Mechanismus zur Öffnung der Rastverbindung 19 noch einmal im Detail in geschlossenem bzw. geöffnetem Zustand.The centrifugal separator 1 is a in the FIGS. 2 and 3 Detent connection 19 shown in detail held on the handle 17 of the vacuum cleaner 5. The handle 17 has a release button 18, which must be pressed to release the locking connection 19 down. As soon as the release button 18 is pressed, the latching tongue 19 is pushed away from the cover 13, in which it engages in the closed state, and thus releases the centrifugal separator 1. The connecting hose 2 between centrifugal separator 1 and hose nozzle 3 is formed as a spiral hose with an integrated metallic coil spring and thus has intrinsic restoring force, which lifts the centrifugal separator 1 from the vacuum cleaner 5 and in a by about 90 to the occupied in the working position in the FIG. 1 pivoted position shown. During the pivoting movement of the connecting hose 2 is guided in the joint 6. This joint 6 also has a non-visible in the sectional view of stop, which defines the rest position of the centrifugal separator 1, in which the centrifugal separator is approximately perpendicular to the vacuum cleaner 5 and not shown in the interior of the vacuum cleaner 5 stored dust box for removal. By this automatic pivoting movement of the centrifugal separator 1, which due to the restoring force of the Connecting element 2 is effected, the dust box is released for emptying by the user actuates the release button 18 on the handle 17. The unfolding of the centrifugal separator 1 thus takes place automatically by releasing the release button 18, without any further manipulation of the user would be necessary. The FIGS. 2 and 3 show the set by pressing the release button 18 in progress mechanism for opening the locking connection 19 again in detail in the closed or opened state.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

(1)(1)
Fliehkraftabscheidercyclone
(2)(2)
Verbindungsschlauchconnecting hose
(3)(3)
Schlauchstutzenhose nozzle
(4)(4)
Gehäusecasing
(5)(5)
Staubsaugervacuum cleaner
(6)(6)
Gelenkjoint
(7)(7)
Luftauslassbereichair outlet
(8)(8th)
Tauchrohrdip tube
(9)(9)
LufteintrittsbereichAir inlet area
(10)(10)
Verbindungsstutzenconnecting pieces
(11)(11)
Saugrohrsuction tube
(12)(12)
Wirbelrohrvortex tube
(13)(13)
Deckelcover
(14)(14)
ApexkegelApexkegel
(15)(15)
LuftumlenkbereichLuftumlenkbereich
(16)(16)
Schmutzauswurfdebris ejector
(17)(17)
GriffHandle
(18)(18)
Auslöseknopfrelease button
(19)(19)
Rastverbindunglocking connection

Claims (12)

  1. Vacuum cleaner (5) with a cyclone separator (1) mounted to the housing (4), comprising an air inlet (9) which is connected to a suction tube (11) for introducing dust-laden air, a separating chamber (12) in which the swirled air ejects the dust by means of centrifugal forces via a dust ejector outlet (16) into a separate dust collecting container that can be removed separately from the separating chamber (12), and an air outlet (7) which is connected to the separating chamber (12) via an immersion tube (8) and discharges the cleaned air to the environment, wherein the cyclone separator (1) is pivotable with respect to the housing (4) to allow the dust collecting container to be removed, characterised in that the cyclone separator (1) is connected to the housing (4) by way of a restoring element (2, 6) which automatically pivots the cyclone separator (1) into a position enabling the removal of the dust collecting container.
  2. Vacuum cleaner (5) according to claim 1, characterised in that the cyclone separator (1) can be fixed to the end opposite the mounting (3) by means of a detachable holder (19) on the housing (4).
  3. Vacuum cleaner (5) according to claim 2, characterised in that the cyclone separator (1) can be fixed to a housing handle (17).
  4. Vacuum cleaner (5) according to claim 2 or 3, characterised in that the cyclone separator (1) can be fixed to the housing (4) by means of a snap-in connection (19).
  5. Vacuum cleaner (5) according to claim 1, characterised in that the restoring element (2, 6) is a flexible hose (2).
  6. Vacuum cleaner (5) according to claim 5, characterised in that the restoring element (2, 6) is a hose (2) incorporating a spiral spring.
  7. Vacuum cleaner (5) according to claim 5, characterised in that the hose (2) is guided in an articulation (6).
  8. Vacuum cleaner (5) according to claim 7, characterised in that the articulation (6) has a sliding block guide.
  9. Vacuum cleaner (5) according to claim 1, characterised in that the restoring element (2, 6) is a spring integrated in an articulation (6).
  10. Vacuum cleaner (5) according to claim 9, characterised in that the spring is a leg spring.
  11. Vacuum cleaner (5) according to claim 9, characterised in that the articulation (6) is disposed on a connection fitting (3) which can be detachably connected to the housing (4).
  12. Vacuum cleaner (5) according to claim 11, characterised in that the connection fitting (3) engages into the housing (4) by means of a snap-in connection (19).
EP06794014.8A 2005-11-29 2006-10-11 Vacuum cleaner comprising a cyclone dust collector Not-in-force EP1956955B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200510056924 DE102005056924A1 (en) 2005-11-29 2005-11-29 Vacuum cleaner comprises a cyclone connected to a housing via a retaining element
PCT/EP2006/067281 WO2007062896A1 (en) 2005-11-29 2006-10-11 Vacuum cleaner comprising a cyclone dust collector

Publications (2)

Publication Number Publication Date
EP1956955A1 EP1956955A1 (en) 2008-08-20
EP1956955B1 true EP1956955B1 (en) 2015-08-26

Family

ID=37461107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06794014.8A Not-in-force EP1956955B1 (en) 2005-11-29 2006-10-11 Vacuum cleaner comprising a cyclone dust collector

Country Status (4)

Country Link
EP (1) EP1956955B1 (en)
CN (1) CN101316540B (en)
DE (1) DE102005056924A1 (en)
WO (1) WO2007062896A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3209175B1 (en) 2014-10-22 2023-01-04 Techtronic Industries Co. Ltd. Handheld vacuum cleaner

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9002668A (en) * 1990-12-05 1992-07-01 Philips Nv VACUUM CLEANER.
SE508133C2 (en) * 1996-12-18 1998-08-31 Electrolux Ab Additive device for a vacuum cleaner
US6168641B1 (en) * 1998-06-26 2001-01-02 Akteibolaget Electrolux Cyclone separator device for a vacuum cleaner
JP2002233484A (en) * 2001-02-09 2002-08-20 Sanyo Electric Co Ltd Upright type vacuum cleaner

Also Published As

Publication number Publication date
CN101316540B (en) 2012-05-02
WO2007062896A1 (en) 2007-06-07
EP1956955A1 (en) 2008-08-20
CN101316540A (en) 2008-12-03
DE102005056924A1 (en) 2007-05-31

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