EP1956956B1 - Vacuum cleaner comprising a cyclone dust collector - Google Patents

Vacuum cleaner comprising a cyclone dust collector Download PDF

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Publication number
EP1956956B1
EP1956956B1 EP06807145.5A EP06807145A EP1956956B1 EP 1956956 B1 EP1956956 B1 EP 1956956B1 EP 06807145 A EP06807145 A EP 06807145A EP 1956956 B1 EP1956956 B1 EP 1956956B1
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EP
European Patent Office
Prior art keywords
vacuum cleaner
cyclone separator
housing
centrifugal 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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EP06807145.5A
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German (de)
French (fr)
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EP1956956A1 (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 EP1956956A1 publication Critical patent/EP1956956A1/en
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Publication of EP1956956B1 publication Critical patent/EP1956956B1/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, in which the structure of a conventional device can be largely adopted, without causing the dust collection space is unnecessarily limited.
  • the centrifugal separator is releasably connected to the housing of the vacuum cleaner.
  • the centrifugal separator preferably removably engages in the housing at the point at which the suction pipe is attached to a conventional predecessor model of the vacuum cleaner, which was equipped with a vacuum cleaner bag.
  • the centrifugal separator is effectively inserted between the housing and the suction pipe of a conventional vacuum cleaner. As a result, the previous structure of the conventional vacuum cleaner can be used without conversion measures.
  • the centrifugal separator is releasably secured by means of a connecting piece on the housing.
  • This allows the attachment of the suction pipe for the conventional vacuum cleaner in principle without changes as attachment for the mounting of the centrifugal separator are taken.
  • the proven for the suction pipe of a conventional vacuum cleaner technology is thus used here for the centrifugal separator and the subsequent intake manifold. This can severely limit the development and design costs. A always problematic in new constructions error prone can be avoided.
  • connecting piece is fastened via a latching connection in the housing.
  • 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 the locking connection is that no threads or other connecting elements are provided on the housing, so that the housing can be very easily constructed.
  • a joint is provided on the connecting piece, which serves to guide the pivoting movement of the centrifugal separator.
  • the centrifugal separator is stably stored and can still be pivoted away for removing a dust box located below it, so that the centrifugal separator does not have to be removed from the housing to remove the dust box each time.
  • a flexible connecting element such as a flexible tube is provided between the housing and the centrifugal separator.
  • this flexible connecting element ensures the air flow for the purified air discharged by the centrifugal separator and, on the other hand, gives the centrifugal separator the necessary freedom despite bearing on the housing to carry out the pivoting movement to the extent necessary for removing the dust box.
  • This connecting element is preferably designed as a spiral tube.
  • a spiral tube By means of a spiral tube, the necessary stability can be ensured at the same time which prevents the centrifugal separator from hanging down from the housing and, at the same time, mobility is provided on a large scale.
  • the flexible connecting element is guided in a joint, which preferably has stops for restricting the pivoting movement. This ensures that a controlled pivoting movement is performed while keeping the load on the flexible element as low as possible.
  • the joint is realized by means of a slotted guide. This can cause a very controlled, little material claiming pivotal movement of the centrifugal separator.
  • a spring preferably a leg spring, is arranged on the joint, which causes the centrifugal separator to pivot automatically into the removal position for the dust box. This allows the vacuum cleaner to be made more user-friendly, since it is not necessary at the same time to keep the centrifugal separator away when the dust box is to be removed.
  • the flexible connecting element itself is resilient, so that this causes the automatic pivoting of the centrifugal separator in the removal position for the dust box.
  • an additional spring is unnecessary, the joint itself can be made simpler.
  • the connecting element is designed as a spiral hose with an integrated metal spring.
  • an afflicted with a restoring elastic connection between the housing and centrifugal separator is realized particularly cost-effective and stable.
  • the centrifugal separator In order to hold the centrifugal separator in its working position on the housing against a possible restoring force, the centrifugal separator is constructed on its side opposite the connecting element housing side so that it engages in a connection provided on the housing handle and is fixable there.
  • a mounted on the housing handle connection for fixing the centrifugal separator can be very user-friendly for the removal of the dust box by means of a simple Release button can be released as soon as the operator has his hand on the handle of the vacuum cleaner.
  • 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 air vortex flowing from the air inlet 9 through the vortex tube 12 to the opposite end is deflected into the interior of the centrifugal separator 1 to the dip tube 8 back.
  • the deflected air vortex is discharged via the air outlet 7 to the vacuum cleaner 5.
  • a dirt discharge 16 which is designed as an opening in the vortex tube 12.
  • 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.
  • 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 as a spiral hose with an integrated metallic Spiral spring is formed and thus has intrinsic restoring force, which lifts the centrifugal separator 1 from the vacuum cleaner 5 and in an occupied by about 90 to the in the working position in the FIG. 1 pivoted position shown.
  • This joint 6 also has a non-visible in the sectional view 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 a not shown stored inside the vacuum cleaner 5 dust box for removal releases.
  • 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.

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

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. Um diesen Aufbau zu realisieren musste der Staubsauger jedoch weitgehend neu konstruiert werden, was hohe Entwicklungs- und Produktionskosten verursacht. Aus der europäischen Offenlegungsschrift EP 0489468 A1 ist ein Staubsauger mit einem Gehäuse bekannt, der zwei in Serie angeordnete Filtersysteme aufweist, wobei das zweite Filtersystem ein Zyklonfiltersystem ist. Außerdem ist ein Reservoir vorgesehen, das den Staub aus beiden Systemen einsammeln kann. Das Reservoir ist mit einem schwenkbar an das Gehäuse des Staubsaugers angelenkten Deckel verschließbar, wobei auch die Teile des Zyklonfilters in dem Deckel angeordnet sind.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. To realize this structure, however, the vacuum cleaner had to be largely redesigned, which causes high development and production costs. From the European patent application EP 0489468 A1 For example, a vacuum cleaner with a housing is known which has two filter systems arranged in series, the second filter system being a cyclone filter system. In addition, a reservoir is provided which can collect the dust from both systems. The reservoir can be closed by a lid which is pivotably hinged to the housing of the vacuum cleaner, whereby the parts of the cyclone filter are also arranged in the lid.

Der Erfindung liegt die Aufgabe zugrunde, einen Staubsauger mit Fliehkraftabscheider zu entwickeln, bei dem der Aufbau eines herkömmlichen Geräts weitgehend übernommen werden kann, ohne dass dabei der Staubsammelraum unnötig begrenzt wird.The invention has for its object to develop a vacuum cleaner with centrifugal separator, in which the structure of a conventional device can be largely adopted, without causing the dust collection space is unnecessarily limited.

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 der Fliehkraftabscheider lösbar mit dem Gehäuse des Staubsaugers verbunden. Vorzugsweise greift dabei der Fliehkraftabscheider lösbar an der Stelle in das Gehäuse ein, an der bei einem herkömmlichen Vorgängermodell des Staubsaugers, welches mit einem Staubsaugerbeutel ausgestattet war, das Saugrohr angesetzt ist. Der Fliehkraftabscheider wird gewissermaßen einfach zwischen das Gehäuse und das Saugrohr eines herkömmlichen Staubsaugers eingefügt. Dadurch kann der bisherige Aufbau des herkömmlichen Staubsaugers ohne Umbaumaßnahmen verwendet werden. Bisher war zumindest das Anbringen einer Halterung notwendig um den herkömmlichen Staubsauger in einen Staubsauger mit Fliehkraftabscheider umzugestalten, falls der Fliehkraftabscheider schwenkbar sein sollte, was zur Entnahme des Staubbehälters bei einem extern angeordneten Fliehkraftabscheider unerlässlich war. Besonders vorteilhaft ist jedoch, dass der nunmehr abnehmbare Fliehkraftabscheider auch im Falle einer Verstopfung des Luftauslasses zum Reinigen einfach entnommen werden kann.According to the centrifugal separator is releasably connected to the housing of the vacuum cleaner. In this case, the centrifugal separator preferably removably engages in the housing at the point at which the suction pipe is attached to a conventional predecessor model of the vacuum cleaner, which was equipped with a vacuum cleaner bag. The centrifugal separator is effectively inserted between the housing and the suction pipe of a conventional vacuum cleaner. As a result, the previous structure of the conventional vacuum cleaner can be used without conversion measures. So far, at least the attachment of a bracket was necessary to reshape the conventional vacuum cleaner in a vacuum cleaner with centrifugal separator, if the centrifugal separator should be pivotable, which was essential for removal of the dust container at an externally arranged centrifugal separator. It is particularly advantageous, however, that the now removable centrifugal separator can be easily removed even in the event of clogging of the air outlet for cleaning.

Vorzugsweise ist der Fliehkraftabscheider mittels eines Verbindungsstutzens am Gehäuse lösbar befestigt. Dadurch kann die Befestigung des Saugrohres für den herkömmlichen Staubsauger prinzipiell ohne Veränderungen als Befestigung für die Halterung des Fliehkraftabscheiders übernommen werden. Die für das Saugrohr eines herkömmlichen Staubsaugers bewährte Technologie wird hier also für den Fliehkraftabscheider und das sich daran anschließende Saugrohr weiter verwendet. Hierdurch lassen sich die Entwicklungs- und Konstruktionskosten stark einschränken. Eine bei Neukonstruktionen immer problematische Fehleranfälligkeit kann vermieden werden.Preferably, the centrifugal separator is releasably secured by means of a connecting piece on the housing. This allows the attachment of the suction pipe for the conventional vacuum cleaner in principle without changes as attachment for the mounting of the centrifugal separator are taken. The proven for the suction pipe of a conventional vacuum cleaner technology is thus used here for the centrifugal separator and the subsequent intake manifold. This can severely limit the development and design costs. A always problematic in new constructions error prone can be avoided.

In einer weiteren vorteilhaften Ausführungsform ist der Verbindungsstutzen über eine Rastverbindung in dem Gehäuse befestigbar. 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 der Rastverbindung ist, dass am Gehäuse keinerlei Gewinde oder andere Verbindungselemente vorzusehen sind, so dass das Gehäuse sehr einfach konstruiert werden kann.In a further advantageous embodiment of the connecting piece is fastened via a latching connection in the housing. 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 the locking connection is that no threads or other connecting elements are provided on the housing, so that the housing can be very easily constructed.

In einer weiteren vorteilhaften Ausführungsform ist an dem Verbindungsstutzen ein Gelenk vorgesehen, welches der Führung der Schwenkbewegung des Fliehkraftabscheiders dient. Dadurch ist der Fliehkraftabscheider stabil gelagert und kann dennoch zur Entnahme einer unter ihm befindlichen Staubbox weggeschwenkt werden, so dass der Fliehkraftabscheider nicht zur Entnahme der Staubbox jedes Mal aus dem Gehäuse herausgelöst werden muss. Durch die Verbindung eines Gelenks zum Verschwenken mit einer lösbaren Halterung am Gehäuse ist gewährleistet, dass der Fliehkraftabscheider ohne Materialverschleiß beliebig oft von der Staubbox wegbewegt werden kann und gleichzeitig eine kostengünstige lösbare Lagerung am Gehäuse bereitgestellt wird, welche nicht so verschleißbeständig sein muss, da sie nur in Ausnahmefällen entnommen werden muss.In a further advantageous embodiment, a joint is provided on the connecting piece, which serves to guide the pivoting movement of the centrifugal separator. As a result, the centrifugal separator is stably stored and can still be pivoted away for removing a dust box located below it, so that the centrifugal separator does not have to be removed from the housing to remove the dust box each time. By connecting a joint for pivoting with a detachable holder on the housing ensures that the centrifugal separator can be moved as often as possible without material wear of the dust box and at the same time a cost-effective detachable storage is provided on the housing, which need not be so wear resistant, as they only must be taken in exceptional cases.

Zwischen dem Gehäuse und dem Fliehkraftabscheider ist ein flexibles Verbindungselement wie beispielsweise ein flexibles Rohr vorgesehen. Dieses flexible Verbindungselement gewährleistet einerseits die Luftführung für die vom Fliehkraftabscheider abgegebene gereinigte Luft und gibt dem Fliehkraftabscheider andererseits die benötigte Freiheit trotz Lagerung am Gehäuse die Schwenkbewegung im notwendigen Umfang zur Entnahme der Staubbox auszuführen.Between the housing and the centrifugal separator, a flexible connecting element such as a flexible tube is provided. On the one hand, this flexible connecting element ensures the air flow for the purified air discharged by the centrifugal separator and, on the other hand, gives the centrifugal separator the necessary freedom despite bearing on the housing to carry out the pivoting movement to the extent necessary for removing the dust box.

Dieses Verbindungselement ist vorzugsweise als Spiralschlauch ausgebildet. Mittels eines Spiralschlauchs kann gleichzeitig die notwendige Stabilität gewährleistet werden, die ein Herabhängen des Fliehkraftabscheiders vom Gehäuse verhindert und gleichzeitig die Beweglichkeit in großem Umfang bereitgestellt werden.This connecting element is preferably designed as a spiral tube. By means of a spiral tube, the necessary stability can be ensured at the same time which prevents the centrifugal separator from hanging down from the housing and, at the same time, mobility is provided on a large scale.

In einer weiteren vorteilhaften Ausführungsform ist das flexible Verbindungselement in einem Gelenk geführt, welches vorzugsweise Anschläge zum Einschränken der Schwenkbewegung aufweist. Hierdurch wird gewährleistet, dass eine kontrollierte Schwenkbewegung durchgeführt wird und gleichzeitig die Belastung für das flexible Element so gering wie möglich gehalten wird.In a further advantageous embodiment, the flexible connecting element is guided in a joint, which preferably has stops for restricting the pivoting movement. This ensures that a controlled pivoting movement is performed while keeping the load on the flexible element as low as possible.

In einer weiteren vorteilhaften Ausführungsform ist das Gelenk mittels einer Kulissenführung realisiert. Hierdurch lässt sich eine sehr kontrollierte, wenig Material beanspruchende Schwenkbewegung des Fliehkraftabscheiders bewirken.In a further advantageous embodiment, the joint is realized by means of a slotted guide. This can cause a very controlled, little material claiming pivotal movement of the centrifugal separator.

In einer weiteren vorteilhaften Ausführungsform ist an dem Gelenk eine Feder, vorzugsweise eine Schenkelfeder, angeordnet, welche veranlasst, dass der Fliehkraftabscheider selbsttätig in die Entnahmeposition für die Staubbox schwenkt. Dadurch kann der Staubsauger benutzerfreundlicher gestaltet werden, da es nicht notwendig ist gleichzeitig den Fliehkraftabscheider weg zu halten wenn die Staubbox entnommen werden soll.In a further advantageous embodiment, a spring, preferably a leg spring, is arranged on the joint, which causes the centrifugal separator to pivot automatically into the removal position for the dust box. This allows the vacuum cleaner to be made more user-friendly, since it is not necessary at the same time to keep the centrifugal separator away when the dust box is to be removed.

In einer besonders vorteilhaften Ausführungsform ist das flexible Verbindungselement selbst federnd ausgebildet, so dass dieses das selbsttätige Verschwenken des Fliehkraftabscheiders in die Entnahmeposition für die Staubbox bewirkt. Hierdurch wird eine zusätzliche Feder entbehrlich, das Gelenk selbst kann einfacher gestaltet werden.In a particularly advantageous embodiment, the flexible connecting element itself is resilient, so that this causes the automatic pivoting of the centrifugal separator in the removal position for the dust box. As a result, an additional spring is unnecessary, the joint itself can be made simpler.

Vorzugsweise ist hierfür das Verbindungselement als Spiralschlauch mit einer integrierten Metallfeder ausgebildet. So wird eine mit einer Rückstellkraft behaftete elastische Verbindung zwischen Gehäuse und Fliehkraftabscheider besonders kostengünstig und stabil realisiert.Preferably, for this purpose, the connecting element is designed as a spiral hose with an integrated metal spring. Thus, an afflicted with a restoring elastic connection between the housing and centrifugal separator is realized particularly cost-effective and stable.

Um den Fliehkraftabscheider in seiner Arbeitsposition am Gehäuse entgegen einer möglichen Rückstellkraft festzuhalten, ist der Fliehkraftabscheider an seiner dem Verbindungselement gegenüberliegenden Gehäuseseite so aufgebaut, dass er in eine am Gehäusegriff vorgesehene Verbindung eingreift und dort fixierbar ist. Eine am Gehäusegriff angebrachte Verbindung zur Fixierung des Fliehkraftabscheiders kann für die Entnahme der Staubbox besonders bedienerfreundlich mittels eines einfachen Auslöseknopfes gelöst werden, sobald der Bediener die Hand am Griff des Staubsaugers hat.In order to hold the centrifugal separator in its working position on the housing against a possible restoring force, the centrifugal separator is constructed on its side opposite the connecting element housing side so that it engages in a connection provided on the housing handle and is fixable there. A mounted on the housing handle connection for fixing the centrifugal separator can be very user-friendly for the removal of the dust box by means of a simple Release button can be released as soon as the operator has his hand on the handle of the vacuum cleaner.

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.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.

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.
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 axial Direction via the air inlet 9 in the centrifugal separator 1 a. 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, the air vortex flowing from the air inlet 9 through the vortex tube 12 to the opposite end is deflected into the interior of the centrifugal separator 1 to the dip tube 8 back. 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 as a spiral hose with an integrated metallic Spiral spring is formed and thus has intrinsic restoring force, which lifts the centrifugal separator 1 from the vacuum cleaner 5 and in an occupied by about 90 to the 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 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 a not shown stored inside the vacuum cleaner 5 dust box for removal releases. By this automatic pivoting movement of the centrifugal separator 1, which is effected due to the restoring force of the connecting element 2, 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 (11)

  1. Vacuum cleaner (5) with a pivotable cyclone separator (1) mounted to the housing (4), comprising an air inlet (9) 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 detachably mounted to the housing (4), characterised in that a flexible tube is provided as a connecting element (2) between housing (4) and cyclone separator (1).
  2. Vacuum cleaner (5) with cyclone separator (1) according to claim 1, characterised in that the cyclone separator (1) is mounted to the housing (4) by means of a detachable connection fitting (3).
  3. Vacuum cleaner (5) with cyclone separator (1) according to claim 2, characterised in that the connection fitting (3) engages into the housing (4) by means of a snap-in connection (19).
  4. Vacuum cleaner (5) with cyclone separator (1) according to claim 2, characterised in that an articulation (6) is disposed on the connection fitting (3).
  5. Vacuum cleaner (5) with cyclone separator (1) according to claim 1, characterised in that the connecting element (2) is implemented as a spiral hose.
  6. Vacuum cleaner (5) with cyclone separator (1) according to claim 1, characterised in that the connecting element (2) is guided in an articulation (6).
  7. Vacuum cleaner (5) with cyclone separator (1) according to claim 4 or 6, characterised in that the articulation (6) has a sliding block guide.
  8. Vacuum cleaner (5) with cyclone separator (1) according to claim 4 or 6, characterised in that the articulation (6) has a spring for automatically pivoting the cyclone separator (1).
  9. Vacuum cleaner (5) with cyclone separator (1) according to claim 1, characterised in that the connecting element (2) is spring-loaded.
  10. Vacuum cleaner (5) with cyclone separator (1) according to claim 9, characterised in that the connecting element (2) has an integrated spiral spring.
  11. Vacuum cleaner (5) with cyclone separator (1) according to claim 1, characterised in that the cyclone separator (1) can be fixed to a housing handle (17).
EP06807145.5A 2005-11-29 2006-10-11 Vacuum cleaner comprising a cyclone dust collector Not-in-force EP1956956B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005056923A DE102005056923A1 (en) 2005-11-29 2005-11-29 Vacuum cleaner has centrifugal force separator removably and pivotably mounted on housing
PCT/EP2006/067273 WO2007062894A1 (en) 2005-11-29 2006-10-11 Vacuum cleaner comprising a cyclone dust collector

Publications (2)

Publication Number Publication Date
EP1956956A1 EP1956956A1 (en) 2008-08-20
EP1956956B1 true EP1956956B1 (en) 2017-10-04

Family

ID=37594918

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06807145.5A Not-in-force EP1956956B1 (en) 2005-11-29 2006-10-11 Vacuum cleaner comprising a cyclone dust collector

Country Status (4)

Country Link
EP (1) EP1956956B1 (en)
CN (1) CN101316539B (en)
DE (1) DE102005056923A1 (en)
WO (1) WO2007062894A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3902455B1 (en) * 2018-12-28 2023-07-26 Techtronic Floor Care Technology Limited Portable extractor

Family Cites Families (7)

* 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
SE9901252L (en) * 1999-04-08 2000-02-28 Electrolux Ab Drainage system for a cyclone vacuum cleaner
JP3930737B2 (en) * 2000-02-19 2007-06-13 エルジー エレクトロニクス インコーポレーテッド Multiple cyclone vacuum cleaner
KR100433407B1 (en) * 2002-02-06 2004-05-31 삼성광주전자 주식회사 Upright-type vacuum cleaner
KR100437107B1 (en) * 2002-05-31 2004-06-23 삼성광주전자 주식회사 Vacuum cleaner
CN2675032Y (en) * 2004-01-13 2005-02-02 范建文 Electric vacuum cleaner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP1956956A1 (en) 2008-08-20
CN101316539A (en) 2008-12-03
CN101316539B (en) 2010-09-01
DE102005056923A1 (en) 2007-05-31
WO2007062894A1 (en) 2007-06-07

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