EP0388676B1 - Vacuum cleaner - Google Patents

Vacuum cleaner Download PDF

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Publication number
EP0388676B1
EP0388676B1 EP90103962A EP90103962A EP0388676B1 EP 0388676 B1 EP0388676 B1 EP 0388676B1 EP 90103962 A EP90103962 A EP 90103962A EP 90103962 A EP90103962 A EP 90103962A EP 0388676 B1 EP0388676 B1 EP 0388676B1
Authority
EP
European Patent Office
Prior art keywords
manual
suction
vacuum cleaner
hand
suction hose
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.)
Expired - Lifetime
Application number
EP90103962A
Other languages
German (de)
French (fr)
Other versions
EP0388676A1 (en
Inventor
Klaus Stein
Heinz Kaulig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stein and Co GmbH
Original Assignee
Stein and Co GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Stein and Co GmbH filed Critical Stein and Co GmbH
Priority to AT90103962T priority Critical patent/ATE96292T1/en
Publication of EP0388676A1 publication Critical patent/EP0388676A1/en
Application granted granted Critical
Publication of EP0388676B1 publication Critical patent/EP0388676B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/242—Hose or pipe couplings
    • A47L9/244—Hose or pipe couplings for telescopic or extensible hoses or pipes
    • 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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/32—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with means for connecting a hose

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Electric Suction Cleaners (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Cleaning In General (AREA)

Abstract

This invention relates to upright vacuum cleaners which have a detachable hand-held vacuum hose as an ascending line. The hand-held vacuum hose is coupled to a hand-held vacuum tube which serves as an extension. The hand-held vacuum tube is thereby designed as a storage housing for the telescoping hand-held vacuum hose.

Description

Die Erfindung bezieht sich auf einen Handstaubsauger, insbesondere Bürstsauger, wobei mit Schmutz beladene Luft von einer im Bodenbereich angeordneten Saugdüse über einen Handsaugschlauch als Steigleitung in einen oberen Bereich des Gehäuses einem Filter zugeführt wird und der Handsaugschlauch in dem der Saugdüse zugewandten Bereich für Nebensaugarbeiten lösbar angeordnet ist, wobei der Handsaugschlauch mit einem als Verlängerung dienenden Handsaugrohr gekoppelt ist.The invention relates to a hand-held vacuum cleaner, in particular a brush vacuum cleaner, wherein air laden with dirt is fed from a suction nozzle arranged in the floor area to a filter via a hand suction hose as a riser into an upper area of the housing and the hand suction hose is detachably arranged in the area facing the suction nozzle for secondary suction work is, the hand suction hose is coupled to a hand suction tube serving as an extension.

Nach der DE-A-27 41 911 ist bereits eine Ausbildung dieser Art bekannt. Hierdurch können auf einfache Weise Nebensaugarbeiten durchgeführt werden. Es besteht aber das Problem, daß die Handsaugschläuche relativ kurz sind und der Benutzer beim Absaugen von Bodenecken oder dergleichen sich bücken muß. Zu diesem Zweck ist es zwar bekannt, Verlängerungen zusätzlich anzuordnen. Diese Maßnahme wird aber in der Praxis als umständliche Handhabung angesehen und deshalb oftmals nicht durchgeführt.According to DE-A-27 41 911, training of this type is already known. In this way, secondary suction work can be carried out in a simple manner. However, there is the problem that the hand suction hoses are relatively short and the user has to bend over when vacuuming floor corners or the like. For this purpose it is known to additionally arrange extensions. In practice, however, this measure is viewed as cumbersome handling and is therefore often not carried out.

Ferner ist es bekannt, ein Handsaugrohr lang genug auszubilden und den Handsaugschlauch zwischen Handsaugrohr und Filter zum unbehinderten Arbeiten mit einer erforderlichen Länge zu versehen. Hierdurch treten aber die Mängel auf, daß der Handsaugschlauch nicht mehr störungsfrei am Gerät unterzubringen ist und somit im normalerweise überwiegenden Bodensaugbetrieb stört. Weiterhin verlängert sich in dieser Betriebsphase der Weg der Arbeitsluft, so daß zwangsläufig stärkere Saugverluste auftreten.Furthermore, it is known to design a hand suction pipe long enough and to provide the hand suction hose between the hand suction pipe and filter with a required length for unobstructed work. As a result, however, there are the shortcomings that the hand suction hose can no longer be accommodated on the device without problems and thus interferes with the normally predominant bottom suction operation. Furthermore, the path of the working air is lengthened in this operating phase, so that inevitably greater suction losses occur.

Nach der FR-A-11 45 664 ist darüber hinaus bekannt, bei einem Reinigungsgerät als Bodenstaubsauger zusätzlich einen Handsaugschlauch mit einem als Verlängerung dienenden koppelbaren Handsaugrohr anzuschließen. Während der Betriebsruhe umhüllt der Handsaugschlauch das Handsaugrohr und wird gemeinsam in einer rohrförmigen Aufnahme am Reinigungsgerät aufgenommen.According to FR-A-11 45 664 it is also known to additionally connect a hand-held suction hose with a couplable hand-held suction pipe serving as an extension to a cleaning device as a vacuum cleaner. During idle operation, the hand suction hose envelops the hand suction pipe and is received together in a tubular receptacle on the cleaning device.

Die Aufgabe der Erfindung ist es, eine gattungsgemäße Anordnung zu verbessern und eine vielseitige Ausbildung für alle Betriebszustände mit relativ geringen Saugverlusten zu ermöglichen sowie eine Unterbringung des Handsaugschlauches großer Reichweite im Bodensaugbetrieb ohne Beeinträchtigungen zu gewährleisten. Dabei soll auch eine einfache Handhabung für die Herstellung der einzelnen Betriebszustände geschaffen werden.The object of the invention is to improve a generic arrangement and to enable a versatile training for all operating conditions with relatively low suction losses, and to ensure that the hand suction hose can be accommodated over a long range in floor suction operation without impairments. Simple handling for the production of the individual operating states is also to be created.

Die Lösung dieser Aufgabe erfolgt erfindungsgemäß dadurch, daß das Handsaugrohr im Bodensaugbetrieb als magazinartige Aufnahme am Handstaubsauger für den teleskopartig verschiebbar aufgenommenen Handsaugschlauch ausgebildet ist und der Endbereich des Handsaugschlauches im Bodensaugbetrieb durch den Unterdruck selbsttätig in seine Magazinposition im Handsaugrohr einziehbar ist.This object is achieved according to the invention in that the hand suction tube in the bottom suction operation is designed as a magazine-like receptacle on the hand vacuum cleaner for the telescopically displaceably received hand suction hose and the end region of the hand suction hose in the bottom suction operation is automatically retractable into its magazine position in the hand suction tube by the vacuum.

Hierdurch ist es möglich, einen relativ langen Handsaugschlauch für einen erforderlichen großen Aktionsbereich einwandfrei während des Bodensaugbetriebes zuzuordnen und dabei den Weg der Arbeitsluft kurz zu halten. Beim Einsetzen des Handsaugrohres in das Gerät für den Bodensaugbetrieb, wird der herausgezogene Handsaugschlauch durch den entstehenden Unterdruck im Handsaugrohr wieder eingesaugt.This makes it possible to correctly assign a relatively long hand suction hose for a required large action area during floor suction operation and to keep the path of the working air short. When inserting the hand suction pipe into the device for the floor suction operation, the pulled out Hand suction hose sucked in again due to the resulting negative pressure in the hand suction pipe.

Eine gute Funktionsfähigkeit wird dadurch geschaffen, daß der Endbereich des Handsaugschlauches in der herausgezogenen Position mit dem zugeordneten Ende des Handsaugrohres über eine Rastvorrichtung festsetzbar ist.A good functionality is created by the fact that the end region of the hand suction hose can be fixed in the pulled-out position with the associated end of the hand suction pipe via a latching device.

Zum vielseitigen Einsatz ist für entsprechende Arbeitseinsätze vorgesehen, daß der Endbereich des Handsaugschlauches als lösbares Saugmundstück ausgebildet ist.For versatile use, it is provided for corresponding work that the end region of the hand suction hose is designed as a detachable suction mouthpiece.

Um eine Anpassung an die Einsatzzwecke zu optimieren, wird vorgeschlagen, daß das Saugmundstück zur Aufnahme von aufsteckbaren unterschiedlichen Arbeitsdüsen ausgebildet ist.In order to optimize an adaptation to the purposes of use, it is proposed that the suction mouthpiece be designed to accommodate attachable different working nozzles.

Zur Erleichterung der Führung für Nebensaugarbeiten ist vorgeschlagen, daß das Handsaugrohr mit einer Handhabe in der Art eines Handgriffes verbunden ist.To facilitate the guidance for secondary suction work, it is proposed that the hand suction pipe be connected to a handle in the manner of a handle.

In der Zeichnung ist ein Ausführungsbeispiel der Erfindung schematisch dargestellt. Es zeigen:

Fig. 1
eine Gesamtansicht eines Bürstsaugers für den Bodensaugbetrieb,
Fig. 2
einen Bürstsauger für den Nebensaugbetrieb mit dem Handsaugrohr,
Fig. 3
einen Bürstsauger für den Nebensaugbetrieb mit getrenntem Handsaugschlauch vom Handsaugrohr und aufgesetzter Arbeitsdüse.
In the drawing, an embodiment of the invention is shown schematically. Show it:
Fig. 1
an overall view of a brush vacuum cleaner for floor suction operation,
Fig. 2
a brush vacuum for the secondary suction operation with the hand suction pipe,
Fig. 3
a brush vacuum cleaner for the secondary suction mode with a separate hand suction hose from the hand suction pipe and attached working nozzle.

Der dargestellte Bürstsauger besteht in bekannter Weise aus einem Gehäuse 1 mit einer Handhabe, das als Filterkassette für einen Filterbeutel ausgebildet ist. Im unteren Bereich ist über ein Düsengelenk 2 ein Bürstenvorsatz 3 mit einer Saugdüse angeordnet, der über zugeordnete Rollen auf dem Boden abrollbar ist.The brush vacuum cleaner shown consists in a known manner of a housing 1 with a handle, which is designed as a filter cassette for a filter bag. In the lower area, a brush attachment 3 with a suction nozzle is arranged via a nozzle joint 2, which can be rolled on the floor via assigned rollers.

Am oberen Teil des Gehäuse 1 ist ein Handsaugschlauch 4 angeschlossen, der über die Saugdüse mit der Arbeitsluft versorgt wird. Der Handsaugschlauch 4 ist mit einem Handsaugrohr 5 lösbar gekoppelt, wobei das Ende des Handsaugschlauches 4 mit einem Saugmundstück 11 über eine lösbare Raste 6 mit dem zugeordneten Ende des Handsaugrohres 5 verbunden ist. Das Handsaugrohr 5 ist in eine Gehäuseausnehmung 7 einsetzbar und wird dabei mit dem zur Saugdüse führenden Düsengelenk 2 verbunden. Das Handsaugrohr 5 dient dabei als magazinartige Aufnahme für den Handsaugschlauch 4, der in dem Handsaugrohr 5 teleskopartig verschiebbar aufgenommen wird. Der außenliegende Teil des Handsaugschlauches 4 wird damit für das normale Bodensaugen entscheidend verkürzt, wodurch die Saugverluste verringert werden, und behindert nicht das Arbeiten mit dem Gerät. Für den Bodensaugbetrieb dient der Handsaugschlauch 4 in dieser Position als Steigleitung für die schmutzbeladene Arbeitsluft.A hand suction hose 4 is connected to the upper part of the housing 1 and is supplied with the working air via the suction nozzle. The hand suction hose 4 is detachably coupled to a hand suction pipe 5, the end of the hand suction hose 4 being connected to a suction mouthpiece 11 via a releasable catch 6 with the associated end of the hand suction pipe 5. The hand suction pipe 5 can be inserted into a housing recess 7 and is connected to the nozzle joint 2 leading to the suction nozzle. The hand suction pipe 5 serves as a magazine-like receptacle for the hand suction hose 4, which is received in the hand suction pipe 5 so as to be telescopically displaceable. The outer part of the hand suction hose 4 is thus shortened decisively for normal floor suction, as a result of which the suction losses are reduced and does not hinder working with the device. In this position, the hand suction hose 4 serves as a riser for the dirty working air.

In der herausgezogenen Stellung des Handsaugschlauches 4 gemäß Fig. 2 können dagegen Nebensaugarbeiten mit großem Aktionsradius über die entstehende Verlängerung und das als Fortsetzung dienende Handsaugrohr 5 durchgeführt werden. Beim Herausziehen des Handsaugschlauches 4 wird dieser mit seinem Saugmundstück 11 am Ende des Handsaugrohres 5 über die Raste 6 festgelegt, um durch den Unterdruck im Handsaugrohr 5 ein Wiederansaugen des Handsaugschlauches 4 mit seinem Saugmundstück 11 während des Arbeitens zu verhindern.In the pulled-out position of the hand suction hose 4 according to FIG. 2, on the other hand, secondary suction work with a large radius of action can be carried out via the resulting extension and the hand suction pipe 5 serving as a continuation. When the hand suction hose 4 is pulled out, it is fixed with its suction mouthpiece 11 at the end of the hand suction tube 5 via the catch 6, in order to prevent the hand suction hose 4 with its suction mouthpiece 11 from being sucked in again while working by the negative pressure in the hand suction tube 5.

Für spezielle Nebensaugarbeiten wird das Saugmundstück 11 des Handsaugschlauches 4 vom Handsaugrohr 5 gelöst, wie in Fig. 3 dargestellt und durch aufsteckbare Arbeitsdüsen 8 zweckdienlich gestaltet. Dabei ist vorgesehen, daß die Raste 6 in der im Gehäuse 1 eingesetzten Stellung des Handsaugrohres 5 durch eine Kante 9 entriegelt wird und somit der Handsaugschlauch 4 herausnehmbar ist. Zur besseren Handhabung ist das Handsaugrohr 5 durch einen Handgriff 10 verlängert.For special auxiliary suction work, the suction mouthpiece 11 of the hand suction hose 4 is detached from the hand suction pipe 5, as shown in FIG. 3 and appropriately designed by pluggable working nozzles 8. It is provided that the catch 6 is unlocked in the position of the hand suction tube 5 inserted in the housing 1 by an edge 9 and thus the hand suction hose 4 can be removed. For better handling, the hand suction pipe 5 is extended by a handle 10.

Nach Beendigung von Nebensaugarbeiten wird das Saugmundstück 11 wieder in das Handsaugrohr 5, das sich in der Gehäuseausnehmung 7 des Gehäuses 1 befindet, eingeschoben. Bei laufendem Gebläsemotor wird dann der Handsaugschlauch 4 durch den Unterdruck im Handsaugrohr automatisch eingezogen, bis das Saugmundstück die in Fig. 1 gezeigte Position einnimmt.After completion of secondary suction work, the suction mouthpiece 11 is pushed back into the hand suction pipe 5, which is located in the housing recess 7 of the housing 1. When the blower motor is running, the hand suction hose 4 is then automatically drawn in by the negative pressure in the hand suction pipe until the suction mouthpiece assumes the position shown in FIG. 1.

Claims (5)

  1. A manual vacuum cleaner, more particularly a brushing vacuum cleaner, wherein air charged with dirt is supplied by a suction nozzle arranged in the base region via a manual suction hose (4) acting as an ascending line into an upper region of the housing to a filter, and the manual suction hose (4) is detachably arranged in the region facing the suction nozzle for secondary suction operations, the manual suction hose (4) being coupled with a manual suction pipe (5) acting as an extension, characterised in that the manual suction pipe (5) is constructed to act as a magazine-like receiving element on the manual vacuum cleaner for the telescopically displaceably accommodated manual suction hose (4) during floor vacuuming operation and the end region of the manual suction hose (4) can be automatically retracted by the underpressure during floor vacuuming operation into its magazine position in the manual suction pipe (5).
  2. A manual vacuum cleaner according to claim 1, characterised in that the end region of the manual suction hose (4) can be locked in the withdrawn position with the associated end of the manual suction pipe (5) by means of a locking device (6).
  3. A manual vacuum cleaner according to claim 1, characterised in that the end region of the manual suction hose (4) is constructed as a detachable suction mouthpiece (11).
  4. A manual vacuum cleaner according to claim 3, characterised in that the suction mouthpiece (11) is designed to receive different attachable working nozzles (8).
  5. A manual vacuum cleaner according to one of claims 1 to 4, characterised in that the manual suction pipe (5) is connected with a hand grip in the manner of a handle (10).
EP90103962A 1989-03-22 1990-03-01 Vacuum cleaner Expired - Lifetime EP0388676B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90103962T ATE96292T1 (en) 1989-03-22 1990-03-01 HAND VACUUM CLEANER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3909408 1989-03-22
DE3909408A DE3909408A1 (en) 1989-03-22 1989-03-22 HAND VACUUM CLEANER

Publications (2)

Publication Number Publication Date
EP0388676A1 EP0388676A1 (en) 1990-09-26
EP0388676B1 true EP0388676B1 (en) 1993-10-27

Family

ID=6376955

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90103962A Expired - Lifetime EP0388676B1 (en) 1989-03-22 1990-03-01 Vacuum cleaner

Country Status (5)

Country Link
US (1) US4955106A (en)
EP (1) EP0388676B1 (en)
AT (1) ATE96292T1 (en)
DE (2) DE3909408A1 (en)
PT (1) PT93514A (en)

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Publication number Priority date Publication date Assignee Title
WO1999011170A1 (en) * 1997-09-02 1999-03-11 BSH Bosch und Siemens Hausgeräte GmbH Hose arrangement for a vaccum cleaner

Also Published As

Publication number Publication date
ATE96292T1 (en) 1993-11-15
DE59003185D1 (en) 1993-12-02
PT93514A (en) 1990-11-07
DE3909408C2 (en) 1992-01-09
DE3909408A1 (en) 1990-10-18
EP0388676A1 (en) 1990-09-26
US4955106A (en) 1990-09-11

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