EP0884019A1 - Vacuum cleaner pipe with electrical conductors - Google Patents
Vacuum cleaner pipe with electrical conductors Download PDFInfo
- Publication number
- EP0884019A1 EP0884019A1 EP98108218A EP98108218A EP0884019A1 EP 0884019 A1 EP0884019 A1 EP 0884019A1 EP 98108218 A EP98108218 A EP 98108218A EP 98108218 A EP98108218 A EP 98108218A EP 0884019 A1 EP0884019 A1 EP 0884019A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sleeve
- hose
- slot
- bushing
- carrier
- 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
Links
Images
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
- A47L9/246—Hose or pipe couplings with electrical connectors
Definitions
- the invention relates to a vacuum cleaner hose with electrical conductors according to the preamble of claim 1.
- the carrier is in this case introduced by a spraying process thermoplastic material connected to the hose.
- the end bush is fixed in the hose. That for fixing the carrier on the hose and material used to fasten the end bushing in the hose is either the same or similar to the hose material, so that those made with it Connections serve their purpose. The connections cannot be non-destructive be solved.
- the spraying process is complex, requires specialists and special Implementation facilities.
- the object of the invention is the vacuum cleaner hose according to the preamble of Claim 1 form so that for the connection of the carrier and the end bush a spraying process with the hose is not necessary.
- the connection of the carrier and the end bushing with the hose should be designed so that it is taught by Forces are deployed without great aids and can be released again if necessary can.
- the object is achieved by the in the characterizing part of Claim 1 specified training solved.
- 1 is an existing one made of a soft thermoplastic Designated hose, the outer helical troughs 1a and Has wave crests 1b.
- hose 1 On the hose 1 is made of a harder plastic than the hose Carrier for electrical slip rings 3 attached. There is one on each of the slip rings 3 electrical conductor 4 connected. The conductors 4 are in the hose 1 on one arranged below described in more detail.
- the carrier is made up of two parts. One part is a socket ring 2a, the with is equipped with a slip ring 3 and has an all-round closed jacket. The other part consists of a sleeve 2b arranged in front of the bushing ring 2a is equipped with two further slip rings 3. The sleeve 2b has a continuous Axial slot 6 on.
- At least one thread 7 is formed on the inner lateral surface of the sleeve 2b, which has a mating thread for the wave troughs 1a and wave crests 1b of the hose 1 forms.
- the sleeve 2b is screwed onto the hose 1 after the sleeve ring 2a is pushed onto the hose 1.
- the ends of the electrical conductors 4 are arranged in a tube 1 Protective cover 8 first in the axial slot 6 of the sleeve 2b and then to the assigned slip rings 3, which are exposed in the axial slot 6 inside.
- the bushing ring 2a is positively connected to the sleeve 2b.
- For positive Connection engages a circumferential outer bead formed on the socket ring 2a 2c into a corresponding inner groove 2d of the sleeve 2b (FIG. 1).
- FIG. 1 As a further embodiment of the invention is in the end bushing 5 from its rear End extending slot 5b extending to the bead ring 5a (Fig. 1) intended.
- the flanks of the slot 5b go into a tubular projection 5d over, which is provided for receiving the associated end of the protective cover 8.
- the projection 5d is open at the open end of the slot 5b and at the opposite Closed at the end.
- the slot 5b is preferred in its intended position aligned so that it is aligned with the axial slot 6 of the sleeve 2b. In this way there is a bending path for the electrical conductors 4, as can be seen from FIG. 1.
- an expedient further development of the subject matter of the invention consists in that a molded joint 2f, the sleeve 2b in two identical shell halves 2g divides, the free edges of which are the flanks of the axial slot 6.
- This is the sleeve 2b, as shown in Fig. 4, in an unfolded form, for which a simple slide-free shape is sufficient.
- the two shell halves 2g against each other around the joint 2f to move until the shape shown in Fig. 3 results.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Vacuum Cleaner (AREA)
- Non-Insulated Conductors (AREA)
Abstract
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
according to the preamble of
Es ist bereits ein Staubsaugerschlauch der im Oberbegriff des Anspruches 1 genannten
Art vorgeschlagen worden. Der Träger 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 Trägers 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.It is already a vacuum cleaner hose mentioned in the preamble of
Aufgabe der Erfindung ist es, den Staubsaugerschlauch nach dem Oberbegriff des
Anspruches 1 so auszubilden, daß für die Verbindung des Trägers und der Endbuchse
mit dem Schlauch ein Spritzvorgang entbehrlich ist. Die Verbindung des Trägers und
der Endbuchse mit dem Schlauch soll so ausgebildet sein, daß sie durch angelernte
Kräfte ohne große Hilfsmittel vollzogen werden und bei Bedarf wieder gelöst werden
kann.The object of the invention is the vacuum cleaner hose according to the preamble of
Die gestellte Aufgabe wird erfindungsgemäß durch die im kennzeichnenden Teil des
Anspruches 1 angegebene Ausbildung gelöst. The object is achieved by the in the characterizing part of
Zweckmäßige Aus- und Weiterbildungen des Erfindungsgegenstandes sind in den Ansprüchen 2 bis 4 angegeben.Appropriate training and further developments of the subject matter of the invention are in the claims 2 to 4 specified.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung rein schematisch dargestellt.An embodiment of the invention is shown purely schematically in the drawing.
Es zeigen:
In der Zeichnung ist mit 1 ein aus einem weichen thermoplastischen Kunststoff bestehender
Schlauch bezeichnet, der außen wendelförmig verlaufende Wellentäler 1a und
Wellenberge 1b aufweist.In the drawing, 1 is an existing one made of a soft thermoplastic
Designated hose, the outer
Auf dem Schlauch 1 ist ein aus härterem Kunststoff als der Schlauch bestehender
Träger für elektrische Schleifringe 3 befestigt. An den Schleifringen 3 ist jeweils ein
elektrischer Leiter 4 angeschlossen. Die Leiter 4 sind im Schlauch 1 auf eine weiter
unten näher beschriebene Weise angeordnet.On the
In den Schlauch 1 greift eine Endbuchse 5 ein, deren Bestimmungslage gegen einfache
Herausnahme gesichert ist.In the
Der Träger ist aus zwei Teilen gebildet. Der eine Teil ist ein Buchsenring 2a, der mit
einem Schleifring 3 bestückt ist und einen ringsum geschlossenen Mantel aufweist.
Der andere Teil besteht aus einer vor dem Buchsenring 2a angeordneten Hülse 2b, die
mit zwei weiteren Schleifringen 3 bestückt ist. Die Hülse 2b weist einen durchgehenden
Axialschlitz 6 auf.The carrier is made up of two parts. One part is a
An die innere Mantelfläche der Hülse 2b ist mindestens ein Gewindegang 7 angeformt,
der ein Gegengewinde für die Wellentäler 1a und Wellenberge 1b des Schlauches 1
bildet. Die Hülse 2b wird auf den Schlauch 1 aufgeschraubt, nachdem der Buchsenring
2a auf den Schlauch 1 aufgeschoben ist. At least one
Die Enden der elektrischen Leiter 4 sind aus einer im Schlauch 1 angeordneten
Schutzhülle 8 heraus zunächst in den Axialschlitz 6 der Hülse 2b und sodann zu den
ihnen zugeordneten Schleifringen 3 geführt, die im Axialschlitz 6 innen freiliegen.
Der Buchsenring 2a ist mit der Hülse 2b formschlüssig verbunden. Zur formschlüssigen
Verbindung greift ein am Buchsenring 2a angeformter, umlaufender Außenwulst
2c in eine entsprechende Innennut 2d der Hülse 2b ein (Fig. 1).The ends of the
Ein an der äußeren Mantelfläche der Endbuchse 5 angeformter Ringwulst 5a greift in
eine innere Nut 2e der Hülse 2b ein (Fig. 1).An
Durch den Eingriff des Außenwulstes 2c in die Innennut 2d und den Eingriff des Ringwulstes
5a in die Innennut 2d der Hülse 2b, sind der Buchsenring 2a und die Endbuchse
5 mit der Hülse 2b formschlüssig vereinigt. Auch die Verbindung der Hülse 2b mit
dem Schlauch 1 ist infolge des Schraubeingriffes des Gewindeganges 7 in den
Schlauch 1 formschlüssig, so daß die Verbindungen insgesamt rein formschlüssig, jedoch
bei Bedarf wieder lösbar sind.By the engagement of the
Als weitere erfindungsgemäße Ausbildung ist in der Endbuchse 5 ein von ihrem hinteren
Ende ausgehender und sich bis zum Wulstring 5a erstreckender Schlitz 5b (Fig. 1)
vorgesehen. Die Flanken des Schlitzes 5b gehen in eine rohrartige Anformung 5d
über, die zur Aufnahme des zugeordneten Endes der Schutzhülle 8 vorgesehen ist.
Die Anformung 5d ist zum offenen Ende des Schlitzes 5b offen und am entgegengesetzten
Ende geschlossen. Der Schlitz 5b ist in seiner Bestimmungslage vorzugsweise
so ausgerichtet, daß er mit dem Axalschlitz 6 der Hülse 2b fluchtet. Auf diese Weise
ergibt sich ein Veriegungspfad für die elektrischen Leiter 4, wie aus Fig. 1 ersichtlich.As a further embodiment of the invention is in the end bushing 5 from its rear
Ferner besteht eine zweckmäßige Weiterbildung des Erfindungsgegenstandes darin,
daß eine angeformte Gelenkstelle 2f die Hülse 2b in zwei gleiche Schalenhälften 2g
teilt, deren freie Ränder die Flanken des Axialschlitzes 6 sind. Hierdurch ist die Hülse
2b, wie in Fig. 4 dargestellt, in aufgeklappter Form herzustellen, wofür eine einfache
schieberfreie Form genügt. Um die Bestimmungsform der Hülse 2b zu erreichen, ist es
lediglich erforderlich, die beiden Schalenhälften 2g um die Gelenkstelle 2f gegeneinander
zu bewegen, bis sich die in Fig. 3 gezeigte Form ergibt.Furthermore, an expedient further development of the subject matter of the invention consists in
that a molded
Claims (4)
gekennzeichnet durch die Merkmale:
characterized by the characteristics:
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29709996U DE29709996U1 (en) | 1997-06-09 | 1997-06-09 | Vacuum cleaner hose with electrical conductors |
DE29709996U | 1997-06-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0884019A1 true EP0884019A1 (en) | 1998-12-16 |
EP0884019B1 EP0884019B1 (en) | 1999-12-22 |
Family
ID=8041351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98108218A Expired - Lifetime EP0884019B1 (en) | 1997-06-09 | 1998-05-06 | Vacuum cleaner pipe with electrical conductors |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0884019B1 (en) |
DE (2) | DE29709996U1 (en) |
ES (1) | ES2140984T3 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1072220A2 (en) * | 1999-07-26 | 2001-01-31 | Truplast Kunststofftechnik Gmbh | Vacuum cleaner hose with electrical conductors |
US8099830B2 (en) | 2007-08-02 | 2012-01-24 | Truplast Kunststofftechnik Gmbh | Handle arrangement on a vacuum cleaner hose |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021003907A1 (en) | 2021-07-29 | 2023-02-02 | Truplast Kunststofftechnik Gesellschaft mit beschränkter Haftung | FLEXIBLE HOSE, ESPECIALLY VACUUM CLEANER HOSE, AND METHOD OF PRODUCTION THEREOF |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4345805A (en) * | 1979-09-17 | 1982-08-24 | Plastiflex Company International | Self-sealing vacuum hose swivel fitting |
EP0288742A2 (en) * | 1987-04-25 | 1988-11-02 | Licentia Patent-Verwaltungs-GmbH | Vacuum cleaner with a suction tube |
WO1996025083A1 (en) * | 1995-02-16 | 1996-08-22 | Philips Electronics N.V. | Coupling comprising two mutually rotatable and electrically connectable coupling members, and vacuum cleaner provided with such a coupling |
EP0733336A2 (en) * | 1993-04-23 | 1996-09-25 | Electrolux Corporation | Handle and wand system for vacuum cleaner |
-
1997
- 1997-06-09 DE DE29709996U patent/DE29709996U1/en not_active Expired - Lifetime
-
1998
- 1998-05-06 DE DE59800071T patent/DE59800071D1/en not_active Expired - Fee Related
- 1998-05-06 ES ES98108218T patent/ES2140984T3/en not_active Expired - Lifetime
- 1998-05-06 EP EP98108218A patent/EP0884019B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4345805A (en) * | 1979-09-17 | 1982-08-24 | Plastiflex Company International | Self-sealing vacuum hose swivel fitting |
EP0288742A2 (en) * | 1987-04-25 | 1988-11-02 | Licentia Patent-Verwaltungs-GmbH | Vacuum cleaner with a suction tube |
EP0733336A2 (en) * | 1993-04-23 | 1996-09-25 | Electrolux Corporation | Handle and wand system for vacuum cleaner |
WO1996025083A1 (en) * | 1995-02-16 | 1996-08-22 | Philips Electronics N.V. | Coupling comprising two mutually rotatable and electrically connectable coupling members, and vacuum cleaner provided with such a coupling |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1072220A2 (en) * | 1999-07-26 | 2001-01-31 | Truplast Kunststofftechnik Gmbh | Vacuum cleaner hose with electrical conductors |
EP1072220A3 (en) * | 1999-07-26 | 2003-12-17 | Truplast Kunststofftechnik Gmbh | Vacuum cleaner hose with electrical conductors |
US8099830B2 (en) | 2007-08-02 | 2012-01-24 | Truplast Kunststofftechnik Gmbh | Handle arrangement on a vacuum cleaner hose |
Also Published As
Publication number | Publication date |
---|---|
DE29709996U1 (en) | 1997-08-21 |
DE59800071D1 (en) | 2000-01-27 |
EP0884019B1 (en) | 1999-12-22 |
ES2140984T3 (en) | 2000-03-01 |
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