EP0139840B1 - Winding drum for an electromotor-actuated telescopie antenna - Google Patents

Winding drum for an electromotor-actuated telescopie antenna Download PDF

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Publication number
EP0139840B1
EP0139840B1 EP84107166A EP84107166A EP0139840B1 EP 0139840 B1 EP0139840 B1 EP 0139840B1 EP 84107166 A EP84107166 A EP 84107166A EP 84107166 A EP84107166 A EP 84107166A EP 0139840 B1 EP0139840 B1 EP 0139840B1
Authority
EP
European Patent Office
Prior art keywords
winding drum
wire
antenna
ring gear
winding
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
EP84107166A
Other languages
German (de)
French (fr)
Other versions
EP0139840A2 (en
EP0139840A3 (en
Inventor
Reinhard Ing. Alf (Grad.)
Kurt Klinkwitz
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.)
OFFERTA DI LICENZA AL PUBBLICO
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to AT84107166T priority Critical patent/ATE76223T1/en
Publication of EP0139840A2 publication Critical patent/EP0139840A2/en
Publication of EP0139840A3 publication Critical patent/EP0139840A3/en
Application granted granted Critical
Publication of EP0139840B1 publication Critical patent/EP0139840B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/08—Means for collapsing antennas or parts thereof
    • H01Q1/10—Telescopic elements
    • H01Q1/103—Latching means; ensuring extension or retraction thereof

Landscapes

  • Details Of Aerials (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Lock And Its Accessories (AREA)
  • Dry Shavers And Clippers (AREA)
  • Transceivers (AREA)
  • Support Of Aerials (AREA)

Abstract

To simplify the construction of a telescopic antenna which is projected and retracted, respectively, by a flexible wire, a rotatable wind-up drum (10) is formed with an inner space (17) to provide for wind-up of the flexible wire, the inner space, likewise, retaining a gear ring (20) in which gear projections (41) of the wire are engaged. The wire, preferably, is an elastic plastic wire element, coupled to the projecting telescoping element (A2) of a telescoping antenna (A), the drum (10) being driven by a motor (35) which receives rotation coupled thereto by a worm drive (29-34).

Description

Stand der TechnikState of the art

Die Erfindung geht von einer topfförmigen Wickeltrommel für eine ein-und ausfahrbare Teleskopantenne nach der im Oberbegriff des Anspruchs 1 angegebenen Gattung aus.The invention relates to a pot-shaped winding drum for a retractable and extendable telescopic antenna according to the type specified in the preamble of claim 1.

Es ist schon eine Teleskopantenne bekannt (Hirschmann Automatic-Antennen AUTA 6000 EL), bei der ein verzahnter Förderdraht für das Teleskop durch ein mit einem Schneckenrad verbundenes Zahnrad transportiert wird, wobei das Schneckenrad von einer Schnecke angetrieben wird, die über ein Riemengetriebe mit einem Elektromotor verbunden ist. Der Förderdraht wird im Wickelraum einer nichtangetriebenen Wickeltrommel aufgewickelt bzw. abgewickelt. Es ist weiterhin eine Wickeltrommel bekannt (US-PS 2,496,785), die mit einem ringförmigen Zahnrad verbunden ist, das einem motorgetriebenen Antriebsrad unter Zwischenfügung eines Förderdrahtes gegenübersteht.A telescopic antenna is already known (Hirschmann Automatic antennas AUTA 6000 EL), in which a toothed conveyor wire for the telescope is transported through a gearwheel connected to a worm wheel, the worm wheel being driven by a worm driven by a belt drive with an electric motor connected is. The conveyor wire is wound up or unwound in the winding space of a non-driven winding drum. A winding drum is also known (US Pat. No. 2,496,785), which is connected to an annular gear wheel, which faces a motor-driven drive wheel with the interposition of a conveyor wire.

Aufgabetask

Der Erfindung liegt die Aufgabe zugrunde, eine Wickeltrommel gemäß dem Oberbegriff des Anspruchs 1 derart weiterzubilden, daß sich die Getriebemittel vereinfachen.The invention has for its object to develop a winding drum according to the preamble of claim 1 such that the gear means are simplified.

Lösungsolution

Diese Aufgabe wird bei einer Wickeltrommel gemäß dem Oberbegriff des Anspruchs 1 durch die im kennzeichnenden Teil dieses Anspruchs angegebenen Merkmale gelöst. Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß sich die Getriebemittel durch Wegfall eines mit dem Fördermittel in Eingriff stehenden Antriebsrades vereinfachen.This object is achieved in a winding drum according to the preamble of claim 1 by the features specified in the characterizing part of this claim. The advantages which can be achieved with the invention consist in particular in that the gear means are simplified by eliminating a drive wheel which is in engagement with the conveying means.

Zeichnungdrawing

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung an Hand mehrerer Figuren dargestellt und in der nachfolgenden Beschreibung näher erläutert. Die Zeichnung zeigt in

Fig. 1
eine auseinandergezogene Ansicht einer Wickeltrommeleinheit aus einer Wickeltrommel, einem Kupplungsteil, einem Drahtführungsteil und einem Zahnradteil,
Fig. 2
eine Schnittansicht der betriebsfähigen Wickeltrommeleinheit und
Fig. 3
ein Ende eines mit einer Verzahnung versehenen Förderdrahtes.
An embodiment of the invention is shown in the drawing using several figures and explained in more detail in the following description. The drawing shows in
Fig. 1
2 shows an exploded view of a winding drum unit comprising a winding drum, a coupling part, a wire guide part and a gear part,
Fig. 2
a sectional view of the operational winding drum unit and
Fig. 3
one end of a toothed conveyor wire.

Beschreibung der ErfindungDescription of the invention

Die Bestandteile einer erfindungsgemäßen Wickeltrommeleinheit sind eine Wickeltrommel 10, ein Kupplungsteil 11, ein Drahtführungsteil 12 und ein Zahnradteil 13.The components of a winding drum unit according to the invention are a winding drum 10, a coupling part 11, a wire guide part 12 and a gear part 13.

Das Kupplungsteil wird im folgenden nicht näher erläutert, weil seine Funktion für die Erfindung ohne Bedeutung ist. Die beispielsweise einstückig hergestellte und im wesentlichen topfförmige Wickeltrommel 10 hat ein ebenes Bodenteil 14, das in eine etwas konische Außenwand 15 und eine dazu koaxiale im Durchmesser kleinere Innenwand 16 übergeht. Das Durchmesserverhältnis zwischen Außenwand 15 und Innenwand 16 ist so gewählt, daß zwischen beiden Wänden ein Wickelraum 17 freibleibt. Die Innenwand 16 trägt in dem dem Bodenteil abgewandten Randbereich seiner Außenseite 18 einen Zahnkranz 20. Die Wickeltrommel weist auf ihrer offenen Seite einen rohrförmigen Ansatz 21 auf, durch den das in den Innenraum 22 einzuführende und mit der Innenseite des Bodens 14 fest zu verbindende Kupplungsteil 11 paßt. Das Drahtführungsteil 12 besteht aus einem ebenen Ring 23 mit einem zylindrischen Ansatz 24 an der Oberseite, der lose in die rohrförmige Innenwand 16 der Wickeltrommel paßt. An der Unterseite des ebenen Ringes 23 befindet sich eine parallel zur Ebene des Ringes 23 liegende längliche Einführöffnung 25, deren Querschnitt etwa U-förmig ist, wobei die Schenkel des U nach außen weisen. An den unteren Schenkel 26 der Einführöffnung 25 schließt sich eine schräg nach oben verlaufende und in den ebenen Ring einmündende Umlenkwand 27 an. Das Zahnradteil 13 besteht aus einem zylindrischen Zapfen 28, an welchem ein Schneckenrad 29 befestigt ist. Der Zapfen 28 geht an seinem dem Schneckenrad abgewandten Ende in einen Zapfen 30 kleineren Durchmessers über.The coupling part is not explained in more detail below because its function is of no importance for the invention. The substantially pot-shaped winding drum 10, for example, is made in one piece and has a flat base part 14 which merges into a somewhat conical outer wall 15 and an inner wall 16 which is coaxial with this and has a smaller diameter. The diameter ratio between the outer wall 15 and the inner wall 16 is chosen so that a winding space 17 remains free between the two walls. The inner wall 16 carries a ring gear 20 in the edge region of its outer side 18 facing away from the base part. The winding drum has on its open side a tubular extension 21 through which the coupling part 11 to be inserted into the interior 22 and to be firmly connected to the inside of the base 14 fits. The wire guide part 12 consists of a flat ring 23 with a cylindrical projection 24 on the top, which fits loosely in the tubular inner wall 16 of the winding drum. At the bottom of the flat ring 23 there is a parallel to the plane of the ring 23 lying elongated insertion opening 25, the cross section of which is approximately U-shaped, the legs of the U pointing outwards. The lower leg 26 of the insertion opening 25 is followed by a deflecting wall 27 which runs obliquely upwards and opens into the flat ring. The gear part 13 consists of a cylindrical pin 28 to which a worm wheel 29 is attached. At its end facing away from the worm wheel, the pin 28 merges into a pin 30 of smaller diameter.

Die Teile 10, 11, 12 und 13 sind aus einem Stück bestehende Teile, vorzugsweise Kunststoff-Spritzteile. Im zusammengesetzten Zustand der Teile 10, 11, 12 und 13 (vgl. Fig. 2) ist das Zahnradteil 13 drehfest mit dem Kupplungsteil 11 verbunden und axial unverschiebbar in der Bodenwand 14 gehalten. In Fig. 2 ist auch ein Gehäuseteil 32 der Teleskopantenne gezeigt, das in seinem Inneren die in Fig. 1 in Einzelteilen gezeigte Wickeltrommeleinheit 33 aufnimmt. Durch eine entsprechende Formgebung des ebenen Ringes 23 des Drahtführungsteils 12 und des Gehäuseteils 32 liegt das Drahtführungsteil drehsicher im Gehäuse, während die Wickeltrommel 10 drehbar gelagert ist. Der Antrieb der Wickeltrommel erfolgt über das Schneckenrad 29 und eine Schnecke 34, die auf der Welle eines Elektromotors 35 angeordnet ist. Dreht der Motor die Schnecke 34 in Pfeilrichtung a, so drehen sich das Schneckenrad 29 und die damit verbundene-Wickeltrommel 10 in Pfeilrichtung b. Ein in die Einführöffnung 25 eingeführtes freies Ende 40 des mit einer Verzahnung 41 versehenen Förderdrahtes 42 (Fig. 3) wird nach dem Ablenken durch die Umlenkwand 27 von dem Zahnkranz 20 erfaßt, dessen Zähne unter einem Winkel α zu der Drehachse 43 der Wickeltrommel stehen. Im Laufe der Mitnahme des Förderdrahtes 42 durch den Zahnkranz 20 wickelt sich der Förderdraht in übereinanderliegenden Windungen in dem Wickelraum 17 auf, bis das Teleskop, dessen inneres Teleskopelement mit dem anderen Ende des Förderdrahtes fest verbunden ist, vollständig eingefahren ist. In umgekehrter Drehrichtung der Motorwelle wird der Förderdraht durch den Zahnkranz 20 aus dem Wickelraum herausgezogen, und der Förderdraht schiebt das innere Teleskopelement nach außen, bis das Teleskop vollständig ausgefahren ist.The parts 10, 11, 12 and 13 are one-piece parts, preferably plastic injection molded parts. In the assembled state of the parts 10, 11, 12 and 13 (cf. FIG. 2), the gear part 13 is connected to the coupling part 11 in a rotationally fixed manner and held axially immovably in the bottom wall 14. FIG. 2 also shows a housing part 32 of the telescopic antenna, which accommodates the winding drum unit 33 shown in individual parts in FIG. 1. By appropriate shaping of the flat ring 23 of the wire guide part 12 and the housing part 32, the wire guide part lies in the housing in a rotationally secure manner, while the winding drum 10 is rotatably mounted. The winding drum is driven by the worm wheel 29 and a worm 34 which is arranged on the shaft of an electric motor 35. If the motor rotates the worm 34 in the direction of arrow a, then the worm wheel 29 and the winding drum 10 connected thereto rotate in the direction of arrow b. An inserted into the insertion opening 25 free end 40 of the toothing 41 provided with a toothing 41 (Fig. 3) is deflected by the deflecting wall 27 of the ring gear 20, the teeth of which are at an angle α to the axis of rotation 43 of the winding drum. In the course of the entrainment of the conveyor wire 42 through the toothed ring 20, the conveyor wire winds up in turns lying one above the other in the winding space 17 until the telescope, the inner telescopic element of which is firmly connected to the other end of the conveyor wire, is completely retracted. In the opposite direction of rotation of the motor shaft, the feed wire is pulled out of the winding space by the toothed ring 20, and the feed wire pushes the inner telescopic element outward until the telescope is fully extended.

Claims (3)

  1. Cup-shaped winding drum (10) for a conveying means (42) in wire form which is provided with teeth (41) and of which one end is firmly connected to the inner telescopic element of a telescopic antenna which can be driven in and out whilst the other end (40) is wound on or unwound in coils which lie one above another on the winding drum (10) upon rotation of a ring gear (20) by means of an electric motor (35), characterised in that the winding drum (10) and the ring gear (20) for a unified component and the ring gear (20) is arranged inside the winding space of the winding drum (10).
  2. Winding drum as claimed in claim 1, characterised in that the winding drum (10) has an inner wall (16) which is arranged coaxially with it and which bears the ring gear (20) on its outer surface (18).
  3. Winding drum as claimed in claim 1 or 2, characterised in that the winding drum (10) and the ring gear (20) are an injection moulded plastic part.
EP84107166A 1983-10-22 1984-06-22 Winding drum for an electromotor-actuated telescopie antenna Expired - Lifetime EP0139840B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84107166T ATE76223T1 (en) 1983-10-22 1984-06-22 WINDING DRUM FOR A TELESCOPIC ANTENNA THAT CAN BE RETRACTED OR EXTENDED BY AN ELECTRIC MOTOR.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3338511 1983-10-22
DE19833338511 DE3338511A1 (en) 1983-10-22 1983-10-22 THROUGH AN ELECTRIC MOTOR RETRACTABLE OR EXTENDABLE TELESCOPIC ANTENNA

Publications (3)

Publication Number Publication Date
EP0139840A2 EP0139840A2 (en) 1985-05-08
EP0139840A3 EP0139840A3 (en) 1986-07-30
EP0139840B1 true EP0139840B1 (en) 1992-05-13

Family

ID=6212567

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84107166A Expired - Lifetime EP0139840B1 (en) 1983-10-22 1984-06-22 Winding drum for an electromotor-actuated telescopie antenna

Country Status (6)

Country Link
US (1) US4633266A (en)
EP (1) EP0139840B1 (en)
JP (1) JPS6098704A (en)
AT (1) ATE76223T1 (en)
DE (2) DE3338511A1 (en)
DK (1) DK167467B1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4742360A (en) * 1986-01-27 1988-05-03 General Motors Corporation Power antenna
CA2015910C (en) * 1989-05-09 1995-01-03 James David Shaw Flexible pusher blade and housing
US5087851A (en) * 1989-06-21 1992-02-11 Alps Electric Co., Ltd. Device for driving a part on a vehicle
JP3134004B2 (en) * 1991-10-17 2001-02-13 原田工業株式会社 Antenna telescopic drive
AU9662098A (en) * 1997-09-17 1999-04-05 Qualcomm Incorporated Telescoping antenna mechanism
US7063590B2 (en) * 2004-09-20 2006-06-20 Mattel, Inc. Doll having adjustable length hair

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496785A (en) * 1948-04-09 1950-02-07 Gabriel Co Antenna reel
US2581171A (en) * 1949-01-26 1952-01-01 H Y Bassett Driving mechanism for extensible antennas and the like
US2623175A (en) * 1949-03-25 1952-12-23 Radiart Corp Reel antenna
US2938207A (en) * 1956-06-13 1960-05-24 Gen Bronze Corp Motor-controlled automobile radio antenna
US3146450A (en) * 1961-02-01 1964-08-25 Gen Bronze Corp Capacity-compensated motor-driven antenna
JPS5642002B2 (en) * 1973-05-24 1981-10-01
JPS5489548A (en) * 1977-12-27 1979-07-16 Harada Ind Co Ltd Automotive antenna
US4300141A (en) * 1979-11-13 1981-11-10 General Motors Corporation Rotary support structure for a power antenna cable storage drum

Also Published As

Publication number Publication date
DE3485718D1 (en) 1992-06-17
EP0139840A2 (en) 1985-05-08
DK384984A (en) 1985-04-23
DK167467B1 (en) 1993-11-01
DK384984D0 (en) 1984-08-09
US4633266A (en) 1986-12-30
ATE76223T1 (en) 1992-05-15
DE3338511A1 (en) 1985-05-02
EP0139840A3 (en) 1986-07-30
JPS6098704A (en) 1985-06-01

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