EP1072220A2 - Vacuum cleaner hose with electrical conductors - Google Patents

Vacuum cleaner hose with electrical conductors Download PDF

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Publication number
EP1072220A2
EP1072220A2 EP00115052A EP00115052A EP1072220A2 EP 1072220 A2 EP1072220 A2 EP 1072220A2 EP 00115052 A EP00115052 A EP 00115052A EP 00115052 A EP00115052 A EP 00115052A EP 1072220 A2 EP1072220 A2 EP 1072220A2
Authority
EP
European Patent Office
Prior art keywords
slip ring
ring carrier
slot
hose
vacuum cleaner
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.)
Granted
Application number
EP00115052A
Other languages
German (de)
French (fr)
Other versions
EP1072220A3 (en
EP1072220B1 (en
Inventor
Georg Linhart
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.)
Truplast Kunststofftechnik GmbH
Original Assignee
Truplast Kunststofftechnik 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 Truplast Kunststofftechnik GmbH filed Critical Truplast Kunststofftechnik GmbH
Publication of EP1072220A2 publication Critical patent/EP1072220A2/en
Publication of EP1072220A3 publication Critical patent/EP1072220A3/en
Application granted granted Critical
Publication of EP1072220B1 publication Critical patent/EP1072220B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details 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
    • A47L9/24Hoses or pipes; Hose or pipe couplings
    • A47L9/242Hose or pipe couplings
    • A47L9/246Hose or pipe couplings with electrical connectors

Definitions

  • the invention relates to a vacuum cleaner hose with electrical conductors the preamble of claim 1.
  • a vacuum cleaner hose with electrical conductors has already been proposed.
  • the Slip ring carrier is here by a thermoplastic introduced in the spraying process Material connected to the hose.
  • the end socket is in the Hose attached. That for fastening the slip ring carrier on the hose and for Attachment of the end bushing in the hose material is either that Hose material the same or similar, so that the connections made with it their To serve a purpose. The connections cannot be undone without destruction.
  • the spraying process is complex, requires specialists and special facilities for its implementation.
  • the slip ring carrier consists of one, one Slip ring bearing, bushing ring and one arranged in front of the bushing ring, with two Slip rings equipped, sleeve.
  • the sleeve is form-fitting with the sleeve ring and on the other hand positively connected to the end bushing.
  • the thread is arranged on the sleeve (EP 0 884 019 A1).
  • the object of the invention is in the vacuum cleaner hose with electrical conductors in the The type of the slip ring carrier without a thread to train.
  • the solution found has the advantage that the individual parts are cheaper and more stable than previously connected.
  • 1 denotes an end bushing, one at its rear end has open axial slot 1a.
  • the flanks of the axial slot 1a go approximately tubular molding 1b, which is closed at its front end 1c.
  • the tubular Forming 1b serves to accommodate a protective sheath containing electrical conductors 4 3 (Fig.4), the inside of an outside helical and inside smooth hose 2 (Fig. 3 and 4) is attached.
  • the tube 2 is encompassed by a bush-shaped slip ring carrier 5, which is one of its entirety Has length-extending slot 5a.
  • the slip ring carrier 5 is with three slip rings 5b equipped, which lie in the ring grooves of the slip ring carrier 5, not shown, and each are connected to an electrical conductor 4.
  • Fig. 4 shows only one electrical conductor 4 and its connection with a slip ring 5b.
  • the end bush 1 and the slip ring carrier 5 are axially positive in their position of determination fixed. At least one raised thread is used for this purpose Spiral gear of the hose 2 is screwed.
  • the thread is not like that too State of the art on the inside of the slip ring carrier 5 instead molded on the inside of an intermediate sleeve 6 and designated 6b in the example shown.
  • the intermediate sleeve 6 is between the hose 2 and the slip ring carrier 5 arranged and is provided with a slot 6c, which in its determination position with the Slit 5a of the slip ring carrier 5 and the slot 1a of the end bush 1 are aligned so that the conductor 4 out of the protective sheath 3 through the slots 1a, 5a, and 6c the associated slip ring carrier 5 can be guided (Fig. 4).
  • At least two openings 6e are arranged at the front end of the intermediate sleeve 6, in their determination position, a locking lug 1d provided on the end bushing 1 intervenes.
  • a locking lug 1d provided on the end bushing 1 intervenes.
  • Mutual axial locking of the end bush 1 and the intermediate sleeve 6 is by the engagement of the locking lugs 1d of the end sleeve 1 in the openings 6e of the intermediate sleeve 6 secured.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Vacuum Cleaner (AREA)
  • Insulating Bodies (AREA)
  • Insulators (AREA)
  • Refuse Collection And Transfer (AREA)

Abstract

The vacuum cleaner tube has conductors arranged in a protective sleeve attached to its inner surface, and a one-piece slip ring carrier (5). A threaded track is arranged on the inside of an intermediate sleeve with an access slot that aligns with an axial slot in an end bush and a slot (5a) in the slip ring carrier when in a defined position. The slip ring carrier has openings (5c) for engagement with latching protrusions on the end bush.

Description

Die Erfindung bezieht sich auf einen Staubsaugerschlauch mit elektrischen Leitern nach dem Oberbegriff des Anspruches 1.The invention relates to a vacuum cleaner hose with electrical conductors the preamble of claim 1.

Es ist bereits ein Staubsaugerschlauch mit elektrischen Leitern vorgeschlagen worden. Der Schleifringträger ist hierbei durch ein im Spritzvorgang eingebrachtes thermoplastisches Material mit dem Schlauch verbunden. Auf die gleiche Weise ist die Endbuchse im Schlauch befestigt. Das zur Befestigung des Schleifringträgers auf dem Schlauch und zur Befestigung der Endbuchse im Schlauch verwendete Material ist entweder dem Schlauchmaterial gleich oder ähnlich, so daß die mit ihm hergestellten Verbindungen ihren Zweck erfüllen. Die Verbindungen können nicht zerstörungsfrei gelöst werden. Der Spritzvorgang ist aufwendig, erfordert Fachkräfte und besondere Einrichtungen zu seiner Durchführung.A vacuum cleaner hose with electrical conductors has already been proposed. The Slip ring carrier is here by a thermoplastic introduced in the spraying process Material connected to the hose. In the same way, the end socket is in the Hose attached. That for fastening the slip ring carrier on the hose and for Attachment of the end bushing in the hose material is either that Hose material the same or similar, so that the connections made with it their To serve a purpose. The connections cannot be undone without destruction. The spraying process is complex, requires specialists and special facilities for its implementation.

Es ist auch bereits ein Staubsaugerschlauch mit elektrischen Leitern nach dem Oberbegriff des Anspruches 1 bekannt. Der Schleifringträger besteht hierbei aus einem, einen einzigen Schleifring tragenden, Buchsenring und einer vor dem Buchsenring angeordneten, mit zwei Schleifringen bestückten, Hülse. Die Hülse ist einerseits formschlüssig mit dem Buchsenring und andererseits formschlüssig mit der Endbuchse verbunden. An der inneren Mantelfläche der Hülse ist der Gewindegang angeordnet (EP 0 884 019 A1).It is also a vacuum cleaner hose with electrical conductors according to the generic term of claim 1 known. The slip ring carrier consists of one, one Slip ring bearing, bushing ring and one arranged in front of the bushing ring, with two Slip rings equipped, sleeve. On the one hand, the sleeve is form-fitting with the sleeve ring and on the other hand positively connected to the end bushing. On the inner surface the thread is arranged on the sleeve (EP 0 884 019 A1).

Aufgabe der Erfindung ist es, bei dem Staubsaugerschlauch mit elektrischen Leitern der im Oberbegriff des Anspruches 1 genannten Art den Schleifringträger ohne Gewindegang auszubilden.The object of the invention is in the vacuum cleaner hose with electrical conductors in the The type of the slip ring carrier without a thread to train.

Die gestellte Aufgabe wird durch die im kennzeichnenden Teil des Anspruches 1 angegebene Ausbildung gelöst.The task is given by the stated in the characterizing part of claim 1 Training solved.

Zweckmäßige Aus- und Weiterbildungen des Erfindungsgegenstandes sind in den Ansprüchen 2 und 3 angegeben.Appropriate training and further developments of the subject matter of the invention are in the claims 2 and 3 specified.

Die gefundene Lösung hat den Vorteil, daß die einzelnen Teile günstiger und stabiler als bisher miteinander verbunden werden können.The solution found has the advantage that the individual parts are cheaper and more stable than previously connected.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt.

  • Fig. 1 eine Endbuchse im Schnitt.
  • Fig. 2 einen mit Schleifringen bestückten Schleifringträger teilweise im Schnitt, teilweise in Ansicht.
  • Fig. 3 ein weiteres Teil im Schnitt.
  • Fig. 4 im Schnitt die Anordnung aller in den Fig. 1 bis 3 gezeigten Teile in ihrer Bestimmungsposition.
  • An embodiment of the invention is shown in the drawing.
  • Fig. 1 an end bushing in section.
  • Fig. 2 shows a slip ring carrier equipped with slip rings, partly in section, partly in view.
  • Fig. 3 shows another part in section.
  • Fig. 4 shows in section the arrangement of all parts shown in Figs. 1 to 3 in their determination position.
  • In der Zeichnung ist mit 1 eine Endbuchse bezeichnet, die einen an seinem hinteren Ende offenen Axialschlitz 1a aufweist. Die Flanken des Axialschlitzes 1a gehen in eine etwa rohrförmige Anformung 1b über, die an ihrem vorderen Ende 1c geschlossen ist. Die rohrförmige Anformung 1b dient zur Aufnahme einer elektrische Leiter 4 enthaltenden Schutzhülle 3 (Fig.4), die an der Innenseite eines außen wendelförmig und innen glatten Schlauches 2 (Fig. 3 und 4) befestigt ist.In the drawing, 1 denotes an end bushing, one at its rear end has open axial slot 1a. The flanks of the axial slot 1a go approximately tubular molding 1b, which is closed at its front end 1c. The tubular Forming 1b serves to accommodate a protective sheath containing electrical conductors 4 3 (Fig.4), the inside of an outside helical and inside smooth hose 2 (Fig. 3 and 4) is attached.

    Den Schlauch 2 umgreift ein buchsenförmiger Schleifringträger 5, der einen seine ganze Länge durchgreifenden Schlitz 5a aufweist. Der Schleifringträger 5 ist mit drei Schleifringen 5b bestückt, die in nicht bezeichneten Ringnuten des Schleifringträgers 5 liegen und jeweils mit einem elektrischen Leiter 4 verbunden sind. Der besseren Übersicht wegen wurde in Fig. 4 nur ein elektrischer Leiter 4 und dessen Verbindung mit einem Schleifring 5b eingezeichnet.The tube 2 is encompassed by a bush-shaped slip ring carrier 5, which is one of its entirety Has length-extending slot 5a. The slip ring carrier 5 is with three slip rings 5b equipped, which lie in the ring grooves of the slip ring carrier 5, not shown, and each are connected to an electrical conductor 4. For the better overview, Fig. 4 shows only one electrical conductor 4 and its connection with a slip ring 5b.

    Die Endbuchse 1 und der Schleifringträger 5 sind in ihrer Bestimmungslage axial formschlüssig festgelegt. Hierzu dient mindestens ein erhabener Gewindegang der mit einem Wendelgang des Schlauches 2 verschraubt ist. Der Gewindegang ist nicht, wie bei dem zu Grunde gelegten Stand der Technik, an der Innenseite des Schleifringträgers 5 sondern an der Innenseite einer Zwischenhülse 6 angeformt und im dargestellten Beispiel mit 6b bezeichnet. Die Zwischenhülse 6 ist zwischen dem Schlauch 2 und dem Schleifringträger 5 angeordnet und ist mit einem Schlitz 6c versehen, der in seiner Bestimmungslage mit dem Schlitz 5a des Schleifringträgers 5 und dem Schlitz 1a der Endbuchse 1 fluchtet, so daß der Leiter 4 aus der Schutzhülle 3 heraus durch die Schlitze 1a, 5a, und 6c hindurch zu dem zugeordneten Schleifringträger 5 geführt werden kann (Fig. 4).The end bush 1 and the slip ring carrier 5 are axially positive in their position of determination fixed. At least one raised thread is used for this purpose Spiral gear of the hose 2 is screwed. The thread is not like that too State of the art on the inside of the slip ring carrier 5 instead molded on the inside of an intermediate sleeve 6 and designated 6b in the example shown. The intermediate sleeve 6 is between the hose 2 and the slip ring carrier 5 arranged and is provided with a slot 6c, which in its determination position with the Slit 5a of the slip ring carrier 5 and the slot 1a of the end bush 1 are aligned so that the conductor 4 out of the protective sheath 3 through the slots 1a, 5a, and 6c the associated slip ring carrier 5 can be guided (Fig. 4).

    Am vorderen Ende der Zwischenhülse 6 sind mindestens zwei Durchbrüche 6e angeordnet, in deren Bestimmungsposition jeweils eine an der Endbuchse 1 vorgesehen Rastnase 1d eingreift. Eine gegenseitige axiale Arretierung der Endbuchse 1 und der Zwischenhülse 6 ist durch den Eingriff der Rastnasen 1d der Endbuchse 1 in die Durchbrüche 6e der Zwischenhülse 6 gesichert.At least two openings 6e are arranged at the front end of the intermediate sleeve 6, in their determination position, a locking lug 1d provided on the end bushing 1 intervenes. Mutual axial locking of the end bush 1 and the intermediate sleeve 6 is by the engagement of the locking lugs 1d of the end sleeve 1 in the openings 6e of the intermediate sleeve 6 secured.

    An dem hinteren Ende der Zwischenhülse 6 ist ein umlaufender Bund 6f angeformt, der als Anlage für das hintere Ende des Schleifringträgers 5 dient.At the rear end of the intermediate sleeve 6 a circumferential collar 6f is formed, which as System for the rear end of the slip ring carrier 5 is used.

    An dem umlaufenden Bund 6f der Zwischenhülse 6 ist eine axiale Nase 6g für den Eingriff in den Schlitz 5a des Schleifringträgers 5 angeformt, womit der Schleifringträger 5 radial arretiert ist. On the circumferential collar 6f of the intermediate sleeve 6 there is an axial nose 6g for the engagement molded into the slot 5a of the slip ring carrier 5, whereby the slip ring carrier 5 locks radially is.

    Auch im Schleifringträger 5 sind mit 5c bezeichnete Durchbrüche für den Eingriff der an der Endbuchse 1 angeformten Rastnasen 1d vorgesehen, womit zugleich eine gegenseitige radiale und axiale Arretierung zwischen der Endbuchse 1 und dem Schleifringträger 5 erreicht wird.Also in the slip ring carrier 5 are designated openings 5c for the engagement of the End bush 1 molded locking lugs 1d provided, which at the same time a mutual radial and axial locking between the end bush 1 and the slip ring carrier 5 reached becomes.

    Alle Teile der beschriebenen Anordnung bestehen aus thermoplastischem Material.All parts of the arrangement described are made of thermoplastic material.

    Claims (3)

    Staubsaugerschlauch mit elektrischen Leitern, die in einer an der Schlauchinnenwand befestigten Schutzhülle angeordnet sind, mit den Merkmalen: a) in das eine Ende des außen wendelförmig und innen glatt geformten Schlauches (2) ist eine Endbuchse (1) eingesteckt, die einen an ihrem hinteren Ende offenen Axialschlitz (1a) aufweist, dessen Flanken in eine zur Aufnahme der Schutzhülle (3) ausgebildete, an ihrem vorderen Ende (1c) geschlossene Anformung (1b) übergehen; b) den Schlauch (2) umgreift ein durchgängig längsgeschlitzter Schleifringträger (5), dessen Schleifringe (5b) jeweils mit einem der elektrischen Leiter (4) verbunden sind, der durch den Axialschlitz (1a) der Endbuchse (1) hindurch an den zugeordneten Schleifring (5b) herangeführt ist; c) die Endbuchse (1) und der Schleifringträger (5) sind in ihrer Bestimmungslage axial formschlüssig lösbar festgelegt, wozu mindestens ein erhabener Gewindegang (6b) dient, der mit einem Wendelgang des Schlauches (2) verschraubt ist;
    gekennzeichnet durch die Merkmale:
    d) der Schleifringträger (5) ist einteilig; e) der Gewindegang (6b) ist an der Innenseite einer Zwischenhülse (6) angeordnet, die einen in seiner Bestimmungslage mit dem Axialschlitz (1a) der Endbuchse (1) und dem durchgehenden Schlitz (5a) des Schleifringträgers (5) deckungsgleichen Durchgangsschlitz (6c) aufweist; f) am vorderen Ende der Zwischenhülse (6) sind mindestens zwei Durchbrüche (6e) vorgesehen, in deren Bestimmungsposition jeweils eine an der Endbuchse (1) angeformte Rastnase (1d) eingreift. g) der Schleifringträger (5) ist mit Durchbrüchen (5c) für den Eingriff der an der Endbuchse (1) angeformten Rastnasen (1d) versehen.
    Vacuum cleaner hose with electrical conductors, which are arranged in a protective cover attached to the inner wall of the hose, with the features: a) an end bushing (1) is inserted into one end of the externally helical and smoothly shaped tube (2), which has an axial slot (1a) which is open at its rear end, the flanks of which are designed to receive the protective cover (3) , pass over at the front end (1c) a closed molding (1b); b) the hose (2) is encompassed by a continuously slit slip ring carrier (5), the slip rings (5b) of which are each connected to one of the electrical conductors (4) which passes through the axial slot (1a) of the end bushing (1) to the associated slip ring (5b) is introduced; c) the end bushing (1) and the slip ring carrier (5) are axially positively releasably fixed in their position of determination, for which purpose at least one raised thread (6b) is used, which is screwed to a helical path of the hose (2);
    characterized by the characteristics:
    d) the slip ring carrier (5) is in one piece; e) the thread (6b) is arranged on the inside of an intermediate sleeve (6), one in its position of determination with the axial slot (1a) of the end sleeve (1) and the continuous slot (5a) of the slip ring carrier (5) congruent through slot (6c ) having; f) at least two openings (6e) are provided at the front end of the intermediate sleeve (6), in the determination position of which a locking lug (1d) formed on the end sleeve (1) engages. g) the slip ring carrier (5) is provided with openings (5c) for the engagement of the locking lugs (1d) formed on the end bush (1).
    Staubsaugerschlauch nach Anspruch 1, dadurch gekennzeichnet, daß die Zwischenhülse (6) an ihrem hinteren Ende einen als axialen Anschlag für den Schleifringträger (5) ausgebildeten, umlaufenden Bund (6f) aufweist.Vacuum cleaner hose according to claim 1, characterized in that the intermediate sleeve (6) has at its rear end a circumferential collar (6f) designed as an axial stop for the slip ring carrier (5). Staubsaugerschlauch nach Anspruch 1 und 2, dadurch gekennzeichnet, daß an dem umlaufenden Bund (6f) der Zwischenhülse (6) eine axiale Nase (6g) für den Eingriff in den Schlitz (5a) des Schleifringträgers (5) angeformt ist.Vacuum cleaner hose according to Claims 1 and 2, characterized in that an axial nose (6g) for engaging in the slot (5a) of the slip ring carrier (5) is formed on the circumferential collar (6f) of the intermediate sleeve (6).
    EP00115052A 1999-07-26 2000-07-26 Vacuum cleaner hose with electrical conductors Expired - Lifetime EP1072220B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE29912640U 1999-07-26
    DE29912640U DE29912640U1 (en) 1999-07-26 1999-07-26 Vacuum cleaner hose with electrical conductors

    Publications (3)

    Publication Number Publication Date
    EP1072220A2 true EP1072220A2 (en) 2001-01-31
    EP1072220A3 EP1072220A3 (en) 2003-12-17
    EP1072220B1 EP1072220B1 (en) 2006-01-11

    Family

    ID=8076380

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP00115052A Expired - Lifetime EP1072220B1 (en) 1999-07-26 2000-07-26 Vacuum cleaner hose with electrical conductors

    Country Status (5)

    Country Link
    US (1) US6353178B1 (en)
    EP (1) EP1072220B1 (en)
    AT (1) ATE315353T1 (en)
    DE (2) DE29912640U1 (en)
    ES (1) ES2255472T3 (en)

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    DE10038740A1 (en) * 2000-08-09 2002-02-21 Stein & Co Gmbh Device for telescopic suction tubes of cylinder vacuum cleaners
    DE20114935U1 (en) * 2001-09-10 2001-12-13 Truplast Kunststofftechnik Vacuum cleaner hose with a connecting sleeve
    JP4049729B2 (en) * 2003-10-29 2008-02-20 三洋電機株式会社 Hose for vacuum cleaner
    US7481627B2 (en) * 2004-08-30 2009-01-27 Mat Industries Llc Air compressor tools that communicate with an air compressor
    US20060045749A1 (en) * 2004-08-30 2006-03-02 Powermate Corporation Air compressor utilizing an electronic control system
    US20060045751A1 (en) * 2004-08-30 2006-03-02 Powermate Corporation Air compressor with variable speed motor
    DE102008009389B3 (en) * 2008-02-14 2009-04-16 Truplast Kunststofftechnik Gmbh Handle arrangement on a suction hose
    GB201018538D0 (en) * 2010-11-03 2010-12-15 Wellstream Int Ltd Parameter sensing
    US9131815B2 (en) 2011-11-07 2015-09-15 Mark Genoa Vacuum cleaner hose assembly connector
    US9228359B2 (en) 2014-05-15 2016-01-05 Dometic Corporation Rotatable awning with illumination
    US9695635B2 (en) 2014-05-15 2017-07-04 Dometic Corporation Power track awning assembly
    USD805019S1 (en) 2015-05-15 2017-12-12 Dometic Sweden Ab Accessory base
    USD805458S1 (en) 2015-05-15 2017-12-19 Dometic Sweden Ab Accessory base
    EP3812089A1 (en) 2019-10-23 2021-04-28 Black & Decker Inc. Pole sander
    US11867224B2 (en) 2021-01-27 2024-01-09 Black & Decker Inc. Locking mechanism for two telescoping poles of a power tool

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    Also Published As

    Publication number Publication date
    ATE315353T1 (en) 2006-02-15
    ES2255472T3 (en) 2006-07-01
    EP1072220A3 (en) 2003-12-17
    DE29912640U1 (en) 1999-10-28
    US6353178B1 (en) 2002-03-05
    EP1072220B1 (en) 2006-01-11
    DE50012042D1 (en) 2006-04-06

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