EP0803225B1 - Device for detachably coupling a hose connecting piece to the aspirating hole of a vacuum cleaner - Google Patents

Device for detachably coupling a hose connecting piece to the aspirating hole of a vacuum cleaner Download PDF

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Publication number
EP0803225B1
EP0803225B1 EP97105992A EP97105992A EP0803225B1 EP 0803225 B1 EP0803225 B1 EP 0803225B1 EP 97105992 A EP97105992 A EP 97105992A EP 97105992 A EP97105992 A EP 97105992A EP 0803225 B1 EP0803225 B1 EP 0803225B1
Authority
EP
European Patent Office
Prior art keywords
tubular
connecting piece
extension
suction
suction opening
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
EP97105992A
Other languages
German (de)
French (fr)
Other versions
EP0803225A2 (en
EP0803225A3 (en
Inventor
Herbert Kess
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete 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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP0803225A2 publication Critical patent/EP0803225A2/en
Publication of EP0803225A3 publication Critical patent/EP0803225A3/en
Application granted granted Critical
Publication of EP0803225B1 publication Critical patent/EP0803225B1/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

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

Description

Die Erfindung betrifft eine Anordnung zum lösbaren Verbinden eines Saugstutzens mit der Saugöffnung eines Staubsaugers gemäß dem Oberbegriff des Anspruches 1.The invention relates to an arrangement for releasable connection a suction nozzle with the suction opening of a vacuum cleaner according to the preamble of claim 1.

Eine solche Anordnung ist durch die EP-B-0 212 313 bekannt. Bei dieser Anordnung sitzt das rohrförmige Ende des einen Rohrstutzens dicht auf einer an der Innenwand des anderen Rohrstutzens ausgebildeten Kante auf. Eine solche Abdichtung der Rohrstutzen gegeneinander ist in axialer Richtung sehr stark toleranzbehaftet. Außerdem kann es durch an einem Rohrstutzen wirksam werdende Zugkräfte zu einem Abheben des rohrförmigen Endes von der Kante kommen und somit die Dichtwirkung ebenfalls beeinträchtigt werden.Such an arrangement is known from EP-B-0 212 313. In this arrangement, the tubular end of one sits Pipe socket close to one on the inner wall of the other Pipe socket trained edge. Such a seal the pipe socket against each other is very much in the axial direction highly tolerant. It can also pass through a pipe socket effective tensile forces to lift the tubular Finally come from the edge and thus the sealing effect also be affected.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Anordnung der gattungsgemäßen Art so weiterzubilden, daß eine sowohl von etwaigen Längstoleranzen der gegeneinander abzudichtenden Teile als auch von auf diese ausgeübten Zugkräften unbeeinflußte Abdichtung der gekoppelten Teile erreicht wird.The invention is therefore based on the object of an arrangement of the generic type Kind in such a way that one of both possible Longitudinal tolerances of the parts to be sealed against each other as well as unaffected by these tensile forces Sealing of the coupled parts is achieved.

Die Lösung der gestellten Aufgabe gelingt durch die im Anspruch 1 angegebenen Merkmale.The task is solved by the im Claim 1 specified features.

Das mit dem freien Ende der rohrförmigen Verlängerung des Verriegelungselementes verbundene Dichtungselement ragt in axialer Richtung in den zwischen dem rohrförmigen Ende des Saugstutzens und der Saugöffnung des Staubsaugers bestehenden Ringspalt. Da das Dichtungselement in axialer Richtung an keiner Stelle aufliegt, wird bei einer axialen Bewegung des Saugstutzens oder bei axialen Längentoleranzen desselben die Dichtwirkung des Dichtungselementes in keiner Weise beeinflußt. Das Dichtungselement wird lediglich in axialer Richtung an der Wand der Saugöffnung entlang bewegt, ohne dadurch in seiner Dichtwirkung beeinflußt zu werden.That with the free end of the tubular extension of the locking element connected sealing element protrudes in the axial direction in the between the tubular end of the suction nozzle and the suction opening of the vacuum cleaner existing annular gap. Because the sealing element is nowhere in the axial direction rests with an axial movement of the suction nozzle or, in the case of axial length tolerances, the sealing effect of the sealing element in no way affected. The sealing element is only in the axial direction on the wall moved along the suction opening without losing its sealing effect to be influenced.

Zweckmäßigerweise ist als Dichtungselement an dem freien Ende der Verlängerung eine elastische Dichtlippe angeformt. Hierdurch erübrigt sich eine gesonderte Montage des Dichtungselementes.It is expedient as a sealing element at the free end an elastic sealing lip is formed on the extension. Hereby there is no need for a separate assembly of the sealing element.

Eine gute Dichtwirkung wird dadurch erreicht, daß als Dichtlippe an dem rohrförmigen Teil der Verlängerung ein schräg nach außen weisender Kragen angeformt ist.A good sealing effect is achieved by using a sealing lip on the tubular part of the extension an oblique collar is formed on the outside.

Die an dem Verriegelungselement vorgesehene Verlängerung kann auch zur Arretierung des Verriegelungselementes genutzt werden, in dem an der Innenseite der rohrförmigen Verlängerung ein an dem rohrförmigen Ende des einen Rohrstutzens verrastbares Rastelement vorgesehen wird.The extension provided on the locking element can can also be used to lock the locking element, in that on the inside of the tubular extension a lockable on the tubular end of a pipe socket Locking element is provided.

Anhand eines in der Zeichnung dargestellten Ausführungs-bei-spieles wird die Erfindung nachfolgend noch näher beschrieben.Using an exemplary embodiment shown in the drawing the invention is described in more detail below.

Es zeigt:

FIG 1
eine Anordnung zum lösbaren Verbinden eines Saugstutzens mit der Saugöffnung eines Staubsaugers im Halbschnitt,
FIG 2
eine Seitenansicht eines Saugstutzens.
It shows:
FIG. 1
an arrangement for releasably connecting a suction nozzle to the suction opening of a vacuum cleaner in half section,
FIG 2
a side view of a suction nozzle.

Mit 1 ist ein Wandteil eines andeutungsweise dargestellten Staubsaugergehäuses bezeichnet. An dem Wandteil 1 ist die Saugöffnung des Staubsaugers vorgesehen. An diese Saugöffnung 2 ist ein mit einem Saugschlauch verbundener Saugstutzen 3 ankoppelbar. Die Saugöffnung 2 bildet somit einen mit dem Saugstutzen 3 koppelbaren anderen Rohrstutzen. Der eine Saugstutzen 3 weist ein in die Saugöffnung 2 einsteckbares rohrförmiges Ende 4 auf, das auf eine bestimmte axiale Länge von einem Rohransatz 5 des Saugstutzens 3 mit radialem Abstand umgeben ist. Auf diese Weise ergibt sich zwischen dem rohrförmigen Ende 4 und dem Rohransatz 5 ein Ringraum 6.With 1 is a wall part of a hint shown Called vacuum cleaner housing. On the wall part 1 is the Suction opening of the vacuum cleaner provided. At this suction opening 2 is a suction nozzle 3 connected to a suction hose connectable. The suction opening 2 thus forms one with the Suction nozzle 3 connectable other pipe socket. One suction port 3 has a tubular one which can be inserted into the suction opening 2 End 4 on that to a certain axial length of a tube extension 5 of the suction nozzle 3 with a radial distance is surrounded. This results in between the tubular End 4 and the tube extension 5 an annular space 6.

In dem Ringraum 6 ist ein Verriegelungselement 7 eingesetzt. Das Verriegelungselement 7 weist einen zu dem rohrförmigen Ende 4 konzentrischen Ringteil 8 auf. An dem Ringteil 8 sind zwei nach radial außen vorstehende Rastnocken 9 angeformt, die jeweils durch eine Schlitz 10 des Rohransatzes 5 hindurch ragen und einen am Wandteil 1 angeformtem Rastvorsprung 11 untergreifen. Hierdurch wird der Saugstutzen 3 am Staubsaugergehäuse in der Saugöffnung 2 gehalten. Axial oberhalb jeder Rastnocke 9 ist jeweils eine durch eine entsprechende Öffnung 12 in der Wand des Saugstutzens 3 nach außen ragende Entriegelungstaste 13 an dem Ringteil 8 vorgesehen. Zum Entkoppeln des Saugstutzens 3 von der Saugöffnung 2 wird auf die Entriegelungstasten 13 ein entsprechender Druck ausgeübt. Hierdurch wird der Ringteil 8 entsprechend nach radial innen verformt, so daß die Rastnasen 9 außer Eingriff mit dem Rastvorsprung 11 kommen und der Saugstutzen 3 aus der Saugöffnung 2 herausgezogen werden kann.A locking element 7 is inserted in the annular space 6. The locking element 7 has one to the tubular End 4 concentric ring part 8. Are on the ring part 8 two locking cams 9 projecting radially outwards, each through a slot 10 of the tube extension 5 protrude and a locking projection 11 formed on the wall part 1 reach under. As a result, the suction nozzle 3 on the vacuum cleaner housing held in the suction opening 2. Axially above everyone Locking cam 9 is in each case by a corresponding Opening 12 in the wall of the suction nozzle 3 protruding outwards Release button 13 is provided on the ring part 8. For decoupling of the suction nozzle 3 from the suction opening 2 is on the Release buttons 13 exerted a corresponding pressure. As a result, the ring part 8 is correspondingly radially inward deformed so that the locking lugs 9 out of engagement with the locking projection 11 come and the suction nozzle 3 from the suction opening 2 can be pulled out.

An dem Verriegelungselement 7 ist ferner eine rohrförmige Verlängerung 14 vorgesehen. Der Innendurchmesser dieser Verlängerung 14 entspricht dem Außendurchmesser des rohrförmigen Endes 4 des Saugstutzens 3, so daß das Verriegelungselement 7 mit seiner Verlängerung 14 auf das rohrförmige Ende 4 des Saugstutzens 3 aufschiebbar ist. An der Innenwand der Verlängerung 14 sind Rastnasen 15 vorgesehen, die in entsprechend angepaßte Rastvertiefungen 16 des rohrförmigen Endes 4 eingreifen. Die Rastnasen 15 und die Rastvertiefungen 16 sind so geformt, daß in Aufschieberichtung des Verriegelungselementes 7 eine Verrastung erfolgt, die in der zu der Aufschieberichtung entgegengesetzten Richtung nicht mehr lösbar ist. Durch die durch die Öffnung 12 ragenden Entriegelungstasten 13 wird die Aufschiebestrecke des Verriegelungselementes 7 derart begrenzt, daß die Rastnasen 15 in Anlage an der Rastkante 17 der Rastvertiefung 16 verbleiben. On the locking element 7 is also a tubular Extension 14 provided. The inside diameter of this extension 14 corresponds to the outer diameter of the tubular End 4 of the suction nozzle 3 so that the locking element 7th with its extension 14 to the tubular end 4 of the Suction nozzle 3 can be pushed. On the inner wall of the extension 14 locking lugs 15 are provided, which in corresponding adapted locking recesses 16 of the tubular end 4 engage. The locking lugs 15 and the locking recesses 16 are so shaped that in the sliding direction of the locking element 7 a latching takes place in the direction of the slide opposite direction is no longer solvable. By the release buttons 13 protruding through the opening 12 limits the slide-on distance of the locking element 7 in such a way that the locking lugs 15 in contact with the locking edge 17th the locking recess 16 remain.

An dem freien Ende der Verlängerung 14 ist als Dichtungselement ein schräg nach radial außen weisender Kragen 18 angeformt, der wiederum an seinem freien Ende mit einer Dichtlippe 19 versehen ist. Der Außendurchmesser der Dichtlippe 19 ist im nicht in die Saugöffnung 2 eingesteckten Zustand des Saugstutzens 3 geringfügig größer bemessen als der Innendurchmesser der Saugöffnung 2 in dem Bereich, in dem sich die Dichtlippe 19 im an die Saugöffnung 2 angekoppelten Zustand des Saugstutzens 3 befindet. Somit wird sicher gestellt, daß sich die Dichtlippe 19 beim Ankoppeln des Saugstutzens 3 an die Saugöffnung 2 unter einem gewissen Spannungszustand an die Wand 20 der Saugöffnung 2 anlegt. Damit ist eine einwandfreie Abdichtung der Koppelstelle des Saugstutzens 3 an die Saugöffnung 2 gewährleistet. Die Güte der Abdichtstelle hängt nicht mehr von irgendwelchen Längentoleranzen der ineinandergefügten Teile ab. Auch haben auf den Saugstutzen 3 ausgeübte Zugkräfte keinen Einfluß mehr auf die Dichtwirkung. Derartige Einflüsse können lediglich zu einer axialen Verschiebung der Berührungslinie der Dichtlippe 19 mit der Wand 20 der Saugöffnung 2 führen.At the free end of the extension 14 is a sealing element a collar 18 is formed which is inclined radially outwards, which in turn has a sealing lip at its free end 19 is provided. The outer diameter of the sealing lip 19 is in the state not plugged into the suction opening 2 Intake 3 dimensioned slightly larger than the inner diameter the suction opening 2 in the area in which the Sealing lip 19 in the state coupled to the suction opening 2 the suction nozzle 3 is located. This ensures that the sealing lip 19 when coupling the suction nozzle 3 the suction opening 2 under a certain state of tension creates the wall 20 of the suction opening 2. This is a perfect one Sealing the coupling point of the suction nozzle 3 to the Suction opening 2 guaranteed. The quality of the sealing point depends no longer of any length tolerances of the interlocked Parts off. Also have exerted on the suction nozzle 3 Tensile forces no longer influence the sealing effect. Such Influences can only lead to an axial displacement of the Line of contact of the sealing lip 19 with the wall 20 of the suction opening 2 lead.

Claims (4)

  1. Arrangement for detachable connection of a suction connecting piece (3) with the suction opening (2) of a vacuum cleaner, in which arrangement at least at the vacuum connecting piece (3) the couplable, tubular end (4) thereof is surrounded over a specific axial length by a radially spaced tube projection (5), wherein arranged in the annular space (6) formed between the tubular end (4) and the tube projection (5) is a locking element (7), which comprises at least one unlocking button (13) and at least one detent element (9) held by spring force in a counter detent (11) provided in the suction opening (2) and by which the suction connecting piece (3) is detachably coupled with the suction opening (2), characterised in that a tubular extension (14), which can be plugged on the tubular end (4) and at the free end of which is arranged a sealing element (18) sealing off the annular gap existing between the tubular end (4) and the suction opening (2), is provided at the locking element (7).
  2. Arrangement according to claim 1, characterised in that an elastic sealing lip (18) is shaped on at the free end of the extension (14).
  3. Arrangement according to claim 2, characterised in that an obliquely outwardly pointing collar (18) is shaped on as sealing lip at the tubular part of the extension (14).
  4. Arrangement according to one of the preceding claims, characterised in that the locking element (7) has at the inner side of its tubular extension (14) a detent element (15) which can be detented at the tubular end (4) of the suction connecting piece (3).
EP97105992A 1996-04-24 1997-04-10 Device for detachably coupling a hose connecting piece to the aspirating hole of a vacuum cleaner Expired - Lifetime EP0803225B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19616389 1996-04-24
DE19616389A DE19616389A1 (en) 1996-04-24 1996-04-24 Arrangement for releasably connecting a suction nozzle to the suction opening of a vacuum cleaner

Publications (3)

Publication Number Publication Date
EP0803225A2 EP0803225A2 (en) 1997-10-29
EP0803225A3 EP0803225A3 (en) 1998-04-29
EP0803225B1 true EP0803225B1 (en) 2001-11-14

Family

ID=7792322

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97105992A Expired - Lifetime EP0803225B1 (en) 1996-04-24 1997-04-10 Device for detachably coupling a hose connecting piece to the aspirating hole of a vacuum cleaner

Country Status (3)

Country Link
EP (1) EP0803225B1 (en)
DE (2) DE19616389A1 (en)
ES (1) ES2168536T3 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010039285B3 (en) * 2010-08-12 2012-01-26 BSH Bosch und Siemens Hausgeräte GmbH Connecting piece for a vacuum cleaner
EP2417889A2 (en) 2010-08-12 2012-02-15 BSH Bosch und Siemens Hausgeräte GmbH Connection pipe with spring element
EP2417891A2 (en) 2010-08-12 2012-02-15 BSH Bosch und Siemens Hausgeräte GmbH Connection piece for a vacuum cleaner with catch element
DE102010039282A1 (en) 2010-08-12 2012-02-16 BSH Bosch und Siemens Hausgeräte GmbH Connecting piece with locking element
US9062785B2 (en) 2010-05-07 2015-06-23 Otto Bock Healthcare Gmbh Valve arrangement with a base part and an insert part

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20206730U1 (en) * 2002-04-26 2002-10-10 Truplast Kunststofftechnik Coupling sleeve for connecting a suction hose to a housing
SI22410A (en) 2006-11-13 2008-06-30 Kolektor Liv Predelava Plastike, D.D.O. Vacuum cleaner pipe connector
FR2918259B1 (en) * 2007-07-03 2012-02-10 Seb Sa SEALED CONNECTION FOR VACUUM CLEANER
DE102009035604A1 (en) 2009-07-31 2011-02-10 BSH Bosch und Siemens Hausgeräte GmbH Vacuum cleaner with nozzle
GB2525225B (en) * 2014-04-16 2016-09-14 Dyson Technology Ltd Cleaning implement for a vacuum cleaner and cleaning apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2367188A (en) * 1943-04-27 1945-01-16 Landers Frary & Clark Hose coupling for vacuum cleaners
DE2132181A1 (en) * 1971-06-29 1973-01-11 Siemens Elektrogeraete Gmbh PIPE CONNECTION, IN PARTICULAR OF VACUUM PIPES
DE3214682A1 (en) * 1982-04-21 1983-10-27 Progress-Elektrogeräte Mauz & Pfeiffer GmbH & Co, 7000 Stuttgart Cleaning device for vacuum cleaners
DE3312193A1 (en) * 1983-04-02 1984-10-04 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Coupling for a suction hose
DE8522551U1 (en) * 1985-08-05 1986-12-04 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
SE460331B (en) * 1988-02-09 1989-10-02 Electrolux Ab COUPLING

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9062785B2 (en) 2010-05-07 2015-06-23 Otto Bock Healthcare Gmbh Valve arrangement with a base part and an insert part
DE102010039285B3 (en) * 2010-08-12 2012-01-26 BSH Bosch und Siemens Hausgeräte GmbH Connecting piece for a vacuum cleaner
EP2417889A2 (en) 2010-08-12 2012-02-15 BSH Bosch und Siemens Hausgeräte GmbH Connection pipe with spring element
EP2417891A2 (en) 2010-08-12 2012-02-15 BSH Bosch und Siemens Hausgeräte GmbH Connection piece for a vacuum cleaner with catch element
DE102010039283A1 (en) 2010-08-12 2012-02-16 BSH Bosch und Siemens Hausgeräte GmbH Connecting piece with spring element
DE102010039286A1 (en) 2010-08-12 2012-02-16 BSH Bosch und Siemens Hausgeräte GmbH Connecting piece for a vacuum cleaner with locking element
WO2012019894A1 (en) 2010-08-12 2012-02-16 BSH Bosch und Siemens Hausgeräte GmbH Adapter for a vacuum cleaner
DE102010039282A1 (en) 2010-08-12 2012-02-16 BSH Bosch und Siemens Hausgeräte GmbH Connecting piece with locking element
EP2438842A2 (en) 2010-08-12 2012-04-11 BSH Bosch und Siemens Hausgeräte GmbH Connection piece with catch element

Also Published As

Publication number Publication date
EP0803225A2 (en) 1997-10-29
DE19616389A1 (en) 1997-10-30
EP0803225A3 (en) 1998-04-29
ES2168536T3 (en) 2002-06-16
DE59705327D1 (en) 2001-12-20

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