EP0658669B1 - Transmission for converting a rotary movement - Google Patents

Transmission for converting a rotary movement Download PDF

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Publication number
EP0658669B1
EP0658669B1 EP94118104A EP94118104A EP0658669B1 EP 0658669 B1 EP0658669 B1 EP 0658669B1 EP 94118104 A EP94118104 A EP 94118104A EP 94118104 A EP94118104 A EP 94118104A EP 0658669 B1 EP0658669 B1 EP 0658669B1
Authority
EP
European Patent Office
Prior art keywords
cam
guide
link
rotor
blades
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
EP94118104A
Other languages
German (de)
French (fr)
Other versions
EP0658669A1 (en
Inventor
Patrick Trautmann
Anton Linder
Werner Trischberger
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.)
Valeo Deutschland GmbH and Co Sicherheitssysteme
Original Assignee
Valeo Deutschland GmbH and Co Sicherheitssysteme
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 Valeo Deutschland GmbH and Co Sicherheitssysteme filed Critical Valeo Deutschland GmbH and Co Sicherheitssysteme
Publication of EP0658669A1 publication Critical patent/EP0658669A1/en
Application granted granted Critical
Publication of EP0658669B1 publication Critical patent/EP0658669B1/en
Anticipated expiration legal-status Critical
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/04—Devices for coupling the turning cylinder of a single or a double cylinder lock with the bolt operating member

Definitions

  • the invention relates to a transmission for converting a rotary movement into a positively guided linear back and forth movement perpendicular to the axis of rotation, in particular for locking and unlocking a steering lock of a motor vehicle, with a displaceably mounted guide link with an elongated opening, in which a rotor with side wings is arranged, the wings rest on guide surfaces of the backdrop.
  • both parts In order to avoid breakage of the link or rotor, both parts must have certain minimum dimensions, which means a high weight and a considerable amount of material. This contradicts the goal of lightweight construction in automotive technology.
  • the invention is therefore based on the object of designing the transmission of the type mentioned in such a way that parts of smaller dimensions and more compact construction are used for the transmission and the guide link is positively guided in both directions.
  • the rotor has, in addition to the vanes, a cam arranged in the center thereof, to which at least one guide surface of the link is also assigned, at least one of the vanes and the cam always abutting or being close to their guide surfaces.
  • Such a transmission enables the guide link to be guided in both directions.
  • the cam and the wing are arranged near the axis of rotation on the rotor, so that large forces can be transmitted and transmitted to the guide link in both directions by the wing and the cam.
  • the gearbox according to the invention has a high level of safety and high in a simple and compact design Lifetime and avoids the disadvantages described in the transmissions used today.
  • the guide surface of the link provided for the cam is tooth-shaped.
  • the guide surfaces provided for the cams can also be curved and abut at an obtuse angle. It is also advantageous if the guide surfaces provided for the cams are curved concavely.
  • the cam is tooth-shaped.
  • the tooth-shaped embodiment of the cam and the corresponding guide surfaces enables good power transmission from the cam to the guide surfaces at different angles of rotation.
  • Another preferred embodiment of the transmission according to the invention is that the wings and the cam are integrally connected to the rotor.
  • the two guide surfaces provided for the wings are arranged on the guide link at approximately the same height from one another, approximately at the width of the wings below the axis of rotation.
  • the transmission has a receiving body 1, which receives a socket 2.
  • a guide link 3 is slidably mounted transversely to the axis of rotation C of a rotor 5.
  • the rotor 5 lies with its axis of rotation coaxial to the cylinder core of the steering lock of a motor vehicle and is fastened, in particular coupled, to the inner end of the cylinder core.
  • the guide link 3 has an elongated opening 4 in which the rotor 5 can be rotated back and forth about the axis of rotation C.
  • the rotor 5 has two laterally molded wings 6 and a tooth-shaped cam 8 molded in the center of these wings. In the center of the rotor 5 there is an opening 7 into which the lock can be inserted. Blade 6, cam 8 and rotor 5 are solid and integrally connected.
  • the elongated opening 4 of the link 3 is delimited in sections by projections 9 and 10 with guide surfaces 11 and 12, which are each assigned to the cam 8 or one of the wings 6.
  • the two guide surfaces 11 for the cam 8 are slightly concavely curved, abut each other at an obtuse angle and form a tooth 13 directed against the cam 8.
  • one of the guide surfaces 12 provided for the two wings 6 is located on one side of the backdrop 3 to each other in approximately the same height, approximately at the blade width spacing B below the axis of rotation C of the rotor 5.
  • the cam 8 moves along the guide surface 11 and presses on the guide surface 12 of the link 3, so that the link 3 executes a linear movement in the direction of rotation . If, on the other hand, the rotor 5 is moved back into the freewheeling position, the cam 8 slides again on the guide surface 11 and moves the link 3 again linearly in the direction of rotation of the rotor 5. Depending on the direction of rotation of the rotor 5, the rotary movement becomes a linear back and forth movement of the Backdrop 3 implemented so that the steering lock can be locked or unlocked.

Landscapes

  • Lock And Its Accessories (AREA)

Description

Die Erfindung betrifft ein Getriebe zum Umsetzen einer Drehbewegung in eine zwangsgeführte lineare Hin- und Herbewegung rechtwinklig zur Drehachse, insbesondere zum Sperren und Entsperren eines Lenkschlosses eines Kraftfahrzeuges, mit einer verschieblich gelagerten Führungskulisse mit einer Langöffnung, in der ein Rotor mit seitlichen Flügeln angeordnet ist, wobei die Flügel an Führungsflächen der Kulisse anliegen.The invention relates to a transmission for converting a rotary movement into a positively guided linear back and forth movement perpendicular to the axis of rotation, in particular for locking and unlocking a steering lock of a motor vehicle, with a displaceably mounted guide link with an elongated opening, in which a rotor with side wings is arranged, the wings rest on guide surfaces of the backdrop.

Um die Lenksäule eines Kraftfahrzeuges zu ver- bzw. zu entriegeln, ist es bekannt, mit der Drehbewegung des Zündschlüssels im Schloß die Verriegelungsorgane in die Riegelstellung hinein- und aus dieser heraus zu bewegen. Die Umsetzung dieser Drehbewegung in eine lineare Hin- und Herbewegung geschieht bei einem bekannten Getriebe für das Sperren und Entsperren von Lenkschlössern in Kraftfahrzeugen (FR-Anmeldung 92 06124 vom 20. 05. 1992) mittels einer verschieblich gelagerten Führungskulisse, in der ein Rotor mit seitlichen Flügeln angeordnet ist. Die Führungskulisse besitzt Führungsflächen, an denen die Flügel anliegen und die die lineare Hin- und Herbewegung begrenzen.In order to lock or unlock the steering column of a motor vehicle, it is known to move the locking elements into and out of the locking position with the rotary movement of the ignition key in the lock. The conversion of this rotary movement into a linear reciprocating movement takes place in a known transmission for locking and unlocking steering locks in motor vehicles (FR application 92 06124 dated May 20, 1992) by means of a movably mounted guide link in which a rotor with lateral Wings is arranged. The guide link has guide surfaces against which the wings rest and which limit the linear back and forth movement.

Die Führungskulisse eines solchen Getriebes neigt dazu, in ihrer Freigabestellung stehen zu bleiben oder schwergängig zu werden, weil einerseits nur die beiden sich gegenüberliegenden Flügel des Rotors die Kulisse zwangsführen und andererseits sich dickes Fett, Schmutz und Wasser, im Winter Eis, im Langloch der Kulisse ablagern kann.The guide slot of such a gearbox tends to remain in its release position or become stiff, because on the one hand only the two opposite blades of the rotor force the slide and on the other hand thick grease, dirt and water, ice in winter, can deposit in the slot of the backdrop.

Zudem kann beim Drehen des Zündschlüssels nur eine Kraft in Richtung der Führungsflächen von den Flügeln des Rotors auf die verschiebbare Kulisse übertragen werden.In addition, when the ignition key is turned, only a force in the direction of the guide surfaces can be transmitted from the blades of the rotor to the displaceable link.

Um einen Bruch von Kulisse oder Rotor zu vermeiden, müssen beide Teile gewisse Mindestabmessungen aufweisen, was ein hohes Gewicht und einen erheblichen Materialaufwand bedeutet. Dies widerspricht dem angestrebten Ziel der Leichtbauweise in der Automobiltechnik.In order to avoid breakage of the link or rotor, both parts must have certain minimum dimensions, which means a high weight and a considerable amount of material. This contradicts the goal of lightweight construction in automotive technology.

Der Erfindung liegt daher die Aufgabe zugrunde, das Getriebe der eingangs genannten Art so zu gestalten, daß Teile kleinerer Abmessungen und kompakterer Bauweise für das Getriebe zum Einsatz kommen und die Führungskulisse in beiden Richtungen zwangsgeführt ist.The invention is therefore based on the object of designing the transmission of the type mentioned in such a way that parts of smaller dimensions and more compact construction are used for the transmission and the guide link is positively guided in both directions.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß der Rotor zusätzlich zu den Flügeln einen mittig zu diesen angeordneten Nocken aufweist, dem mindestens auch eine Führungsfläche der Kulisse zugeordnet ist, wobei wenigstens einer der Flügel und der Nocken stets an ihren Führungsflächen anliegen oder diesen nahe sind.This object is achieved in that the rotor has, in addition to the vanes, a cam arranged in the center thereof, to which at least one guide surface of the link is also assigned, at least one of the vanes and the cam always abutting or being close to their guide surfaces.

Ein solches Getriebe ermöglicht die Zwangsführung der Führungskulisse in beiden Richtungen. Dabei sind der Nocken und die Flügel nahe der Drehachse am Rotor angeordnet, so daß große Kräfte durch die Flügel und den Nocken in beiden Richtungen auf die Führungskulisse übertragen und werden können.Such a transmission enables the guide link to be guided in both directions. The cam and the wing are arranged near the axis of rotation on the rotor, so that large forces can be transmitted and transmitted to the guide link in both directions by the wing and the cam.

Das erfindungsgemäße Getriebe besitzt bei einfacher und kompakter Bauweise eine große Sicherheit und hohe Lebensdauer und vermeidet die bei den heute zum Einsatz kommenden Getrieben beschriebenen Nachteile.The gearbox according to the invention has a high level of safety and high in a simple and compact design Lifetime and avoids the disadvantages described in the transmissions used today.

In einer bevorzugten Ausführungsform der Erfindung ist die für den Nocken vorgesehene Führungsfläche der Kulisse zahnförmig.In a preferred embodiment of the invention, the guide surface of the link provided for the cam is tooth-shaped.

Auch können die für den Nocken vorgesehenen Führungsflächen gekrümmt sein und in einem stumpfen Winkel aneinanderstoßen. Von Vorteil ist es auch, wenn die für den Nocken vorgesehenen Führungsflächen konkav gekrümmt sind.The guide surfaces provided for the cams can also be curved and abut at an obtuse angle. It is also advantageous if the guide surfaces provided for the cams are curved concavely.

In einer weiteren bevorzugten Ausgestaltung der Erfindung ist der Nocken zahnförmig ausgebildet. Die zahnförmige Ausführungsform des Nockens und der korrespondierenden Führungsflächen ermöglicht eine bei unterschiedlichen Verdrehwinkeln gute Kraftübertragung vom Nocken auf die Führungsflächen.In a further preferred embodiment of the invention, the cam is tooth-shaped. The tooth-shaped embodiment of the cam and the corresponding guide surfaces enables good power transmission from the cam to the guide surfaces at different angles of rotation.

Eine ebenfalls bevorzugte Ausführungsform des erfindungsgemäßen Getriebes besteht darin, daß die Flügel und der Nocken einstückig mit dem Rotor verbunden sind.Another preferred embodiment of the transmission according to the invention is that the wings and the cam are integrally connected to the rotor.

In besonderer weiterer Ausgestaltung der Erfindung sind die beiden für die Flügel vorgesehenen Führungsflächen an der Führungskulisse zueinander in annähernd gleicher Höhe etwa in Flügelbreitenabstand unterhalb der Drehachse angeordnet.In a special further embodiment of the invention, the two guide surfaces provided for the wings are arranged on the guide link at approximately the same height from one another, approximately at the width of the wings below the axis of rotation.

Weitere Vorteile, Einzelheiten und erfindungswesentliche Merkmale ergeben sich aus der nachfolgenden Beschreibung der Erfindung unter Bezugnahme auf die beigefügten Zeichnungen.Further advantages, details and features essential to the invention result from the following description of the invention with reference to the attached drawings.

Es zeigen:

Fig. 1
eine räumliche Darstellung des Getriebes,
Fig. 2
eine Schnittdarstellung durch das zusammengebaute Getriebe mit im Uhrzeigersinn gedrehtem Rotor und
Fig. 3
eine weitere Schnittdarstellung mit Rotor in Freistellung.
Show it:
Fig. 1
a spatial representation of the transmission,
Fig. 2
a sectional view through the assembled gear with the rotor turned clockwise and
Fig. 3
another sectional view with rotor in the release.

Das Getriebe weist einen Aufnahmekörper 1 auf, der eine Buchse 2 aufnimmt. In dieser Buchse 2 ist eine Führungskulisse 3 quer zur Drehachse C eines Rotors 5 verschieblich gelagert. Der Rotor 5 liegt mit seiner Drehachse koaxial zu dem Zylinderkern des Lenkschlosses eines Kraftfahrzeuges und ist an dem inneren Ende des Zylinderkernes befestigt, insbesondere angekuppelt. Die Führungskulisse 3 besitzt eine Langöffnung 4, in der der Rotor 5 um die Drehachse C hin- und herdrehbar ist. Der Rotor 5 hat zwei seitlich angeformte Flügel 6 und einen mittig zu diesen Flügeln angeformten zahnförmigen Nocken 8. Mittig im Rotor 5 befindet sich eine Öffnung 7, in die das Schloß einsetzbar ist. Flügel 6, Nocken 8 und Rotor 5 sind massiv und einstückig miteinander verbunden.The transmission has a receiving body 1, which receives a socket 2. In this socket 2, a guide link 3 is slidably mounted transversely to the axis of rotation C of a rotor 5. The rotor 5 lies with its axis of rotation coaxial to the cylinder core of the steering lock of a motor vehicle and is fastened, in particular coupled, to the inner end of the cylinder core. The guide link 3 has an elongated opening 4 in which the rotor 5 can be rotated back and forth about the axis of rotation C. The rotor 5 has two laterally molded wings 6 and a tooth-shaped cam 8 molded in the center of these wings. In the center of the rotor 5 there is an opening 7 into which the lock can be inserted. Blade 6, cam 8 and rotor 5 are solid and integrally connected.

Die Langöffnung 4 der Kulisse 3 ist abschnittsweise umgrenzt von Ansätzen 9 bzw. 10 mit Führungsflächen 11 bzw. 12, die jeweils dem Nocken 8 bzw. einem der Flügel 6 zugeordnet sind.The elongated opening 4 of the link 3 is delimited in sections by projections 9 and 10 with guide surfaces 11 and 12, which are each assigned to the cam 8 or one of the wings 6.

Die beiden Führungsflächen 11 für den Nocken 8 sind leicht konkav gekrümmt, stoßen in einem stumpfen Winkel aneinander und bilden einen gegen den Nocken 8 gerichteten Zahn 13. Dagegen befindet sich je eine der für die beiden Flügel 6 vorgesehenen Führungsflächen 12 an jeweils einer Seite der Kulisse 3 zueinander in annähernd gleicher Höhe etwa in Flügelbreitenabstand B unterhalb der Drehachse C des Rotors 5.The two guide surfaces 11 for the cam 8 are slightly concavely curved, abut each other at an obtuse angle and form a tooth 13 directed against the cam 8. On the other hand, one of the guide surfaces 12 provided for the two wings 6 is located on one side of the backdrop 3 to each other in approximately the same height, approximately at the blade width spacing B below the axis of rotation C of the rotor 5.

Wird der Rotor 5 aus seiner Freilaufstellung um seine Drehachse C, beispielsweise wie in Fig. 2 gedreht, bewegt sich der Nocken 8 entlang der Führungsfläche 11 und drückt auf die Führungsfläche 12 der Kulisse 3, so daß die Kulisse 3 eine lineare Bewegung in Drehrichtung ausführt. Bewegt man den Rotor 5 dagegen in die Freilaufstellung zurück, gleitet der Nocken 8 erneut auf der Führungsfläche 11 und bewegt die Kulisse 3 wiederum linear in Drehrichtung des Rotors 5. Je nach Drehrichtung des Rotors 5 wird die Drehbewegung in eine lineare Hin- und Herbewegung der Kulisse 3 umgesetzt, so daß das Lenkschloß gesperrt oder entsperrt werden kann.If the rotor 5 is rotated from its freewheeling position about its axis of rotation C, for example as in FIG. 2, the cam 8 moves along the guide surface 11 and presses on the guide surface 12 of the link 3, so that the link 3 executes a linear movement in the direction of rotation . If, on the other hand, the rotor 5 is moved back into the freewheeling position, the cam 8 slides again on the guide surface 11 and moves the link 3 again linearly in the direction of rotation of the rotor 5. Depending on the direction of rotation of the rotor 5, the rotary movement becomes a linear back and forth movement of the Backdrop 3 implemented so that the steering lock can be locked or unlocked.

Claims (7)

  1. A mechanism for converting a rotational movement into a restricted linear to and fro movement at right angles to the axis of rotation, in particular for locking and unlocking a steering lock of a motor vehicle, having a displaceably mounted guide link (3) with a slot (4) in which a rotor (5) having lateral blades (6) is disposed, with the blades abutting guide faces (12) of the link, characterised in that in addition to the blades (6) the rotor has a cam (8) disposed centrally thereto, with which at least also one guide face (11) of the link is associated, with at least one of the blades (6) and the cam (8) always abutting its guide faces or being close thereto.
  2. A mechanism according to Claim 1,
    characterised in that the guide face (11) of the link (3) provided for the cam (8) is tooth-shaped.
  3. A mechanism according to Claim 2,
    characterised in that two guide faces (11), which are curved (and) abut one another at an obtuse angle, are provided for the cam (8).
  4. A mechanism according to Claim 2 or 3,
    characterised in that the guide faces (11) provided for the cam (8) are concavely curved.
  5. A mechanism according to Claim 1,
    characterised in that the cam (8) is tooth-shaped.
  6. A mechanism according to Claim 1 to 3,
    characterised in that blades (6) and cam (8) are connected in one piece to the rotor (5).
  7. A mechanism according to Claim 1 to 4,
    characterised in that the two guide faces (12) at the guide link (3) provided for the blades (6) are disposed at approximately the same height in relation to one another roughly at blade width distance (B) beneath the axis of rotation (C).
EP94118104A 1993-12-15 1994-11-17 Transmission for converting a rotary movement Expired - Lifetime EP0658669B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4342695A DE4342695A1 (en) 1993-12-15 1993-12-15 Gear for converting a rotary movement
DE4342695 1993-12-15

Publications (2)

Publication Number Publication Date
EP0658669A1 EP0658669A1 (en) 1995-06-21
EP0658669B1 true EP0658669B1 (en) 1997-10-08

Family

ID=6505029

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94118104A Expired - Lifetime EP0658669B1 (en) 1993-12-15 1994-11-17 Transmission for converting a rotary movement

Country Status (3)

Country Link
EP (1) EP0658669B1 (en)
DE (2) DE4342695A1 (en)
ES (1) ES2109577T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19537476A1 (en) * 1995-10-09 1997-04-10 Valeo Deutschland Gmbh & Co Steering lock for motor vehicles
FR2762640B1 (en) * 1997-04-29 1999-06-25 Antivols Simplex Sa LOCKING DEVICE FOR A MOTOR VEHICLE COMPRISING IMPROVED BISTABLE SPRING MEANS

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5436424Y2 (en) * 1976-03-27 1979-11-02
SU1232528A1 (en) * 1984-11-27 1986-05-23 Войсковая Часть 11284 Vehicle antijoy ride device
DE3622361A1 (en) * 1986-07-03 1988-01-14 Daimler Benz Ag UNLOCKING FOR A STEERING WHEEL LOCK
DE3927396A1 (en) * 1989-04-15 1990-10-18 Zeev Wexler Pneumatic or hydraulic rotary drive for stopcock - includes central piston rod with diametric cross-bolt
JPH07108652B2 (en) * 1990-11-20 1995-11-22 重宣 黒木 Vehicle steering lock device
DE4037918C1 (en) * 1990-11-29 1991-11-07 Bayerische Motoren Werke Ag, 8000 Muenchen, De Vehicle steering-ignition lock - has stop fixed to key cylinder which contacts lock element to prevent movement unless operated by correct key
FR2691496B1 (en) * 1992-05-20 1999-12-03 Valeo Securite Habitacle RELEASABLE ROTOR LOCK, ESPECIALLY FOR A MOTOR VEHICLE LOCK.

Also Published As

Publication number Publication date
EP0658669A1 (en) 1995-06-21
ES2109577T3 (en) 1998-01-16
DE59404273D1 (en) 1997-11-13
DE4342695A1 (en) 1995-06-22

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