EP2766544B1 - Actuation device for a motor vehicle door lock - Google Patents

Actuation device for a motor vehicle door lock Download PDF

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Publication number
EP2766544B1
EP2766544B1 EP12805918.5A EP12805918A EP2766544B1 EP 2766544 B1 EP2766544 B1 EP 2766544B1 EP 12805918 A EP12805918 A EP 12805918A EP 2766544 B1 EP2766544 B1 EP 2766544B1
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EP
European Patent Office
Prior art keywords
locking lever
handle
actuation device
arm
motor vehicle
Prior art date
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EP12805918.5A
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German (de)
French (fr)
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EP2766544A1 (en
Inventor
Thorsten Bendel
Claus Töpfer
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Kiekert AG
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Kiekert AG
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Publication of EP2766544A1 publication Critical patent/EP2766544A1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E05B77/04—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision
    • E05B77/06—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision by means of inertial forces
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/10—Handles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means

Definitions

  • the invention relates to an actuating device for a motor vehicle door lock, with a handle, and with a locking lever, which sets the handle at occurring acceleration forces of predetermined size, for example in an accident, ineffective, wherein in normal operation, the locking lever undergoes a deflection when the handle is acted upon and only in the blocking mode, the handle is ineffective, and wherein the locking lever is equipped with a stop arm, which interacts with the handle.
  • the actuating device is usually mechanically coupled via a connecting means, for example a Bowden cable, an actuating rod, etc. with the motor vehicle door lock.
  • a connecting means for example a Bowden cable, an actuating rod, etc.
  • a release lever in the interior of the motor vehicle door lock can be acted upon with the aid of the handle in the simplest case.
  • This release lever regularly lifts a pawl from a catch, so that the catch opens spring-assisted and releases a previously captured locking pin.
  • the motor vehicle door lock is opened and also an associated motor vehicle door can be swung open or otherwise opened.
  • the locking lever sets the handle ineffective associated with an accident occurring acceleration forces of predetermined size. That is, the respective acceleration forces do not cause due to the action of the locking lever that the motor vehicle door lock is opened unintentionally.
  • the locking lever sets the handle ineffective associated with an accident occurring acceleration forces of predetermined size. That is, the respective acceleration forces do not cause due to the action of the locking lever that the motor vehicle door lock is opened unintentionally.
  • persons located in the interior of a motor vehicle body obtain maximum protection and can, in particular, deploy maximum safety here, such as side impact protection, airbag, etc.
  • the generic teaching after the EP 1 635 016 A2 works with a counterweight, which is formed pivotable about an axis which is spaced from a Griffachse learns their arrangement. Thereby, the counterweight can be pivoted about its axis in a first and second direction. In the second and, for example, in a turn completed direction a movement of the handle is mechanically prevented.
  • the invention is based on the technical problem of further developing such an actuating device for a motor vehicle door lock of the structure described at the beginning in such a way that a permanent and in particular still guaranteed functional reliability is observed.
  • a generic actuator is within the scope of the invention characterized in that the locking lever is equipped with at least two inertial masses, which are arranged on both sides of a rotation axis of the locking lever to one arm, the two respective inertial mass bearing arms each collinear and the stop arm are arranged angularly in contrast.
  • the stop arm is arranged at right angles to the two arms carrying the respective inertial mass.
  • the normal operation thus corresponds to the fact that the locking lever undergoes a deflection at one or each time the handle is acted upon.
  • each actuation of the handle consequently corresponds to the fact that at the same time the locking lever is deflected.
  • the locking lever is also deflected at the same time. This ensures that any bearing for the usually rotatably mounted locking lever can not “caking" with time by, for example, corrosion, or even “rust down” in the worst case. Rather, the constant and regular loading of the locking lever ensures that this retains its function even with a long service life of the motor vehicle and consequently the associated door lock as the actuator.
  • the locking lever in the blocking mode ensures that the handle is ineffective in its function. That is, any attacking on the handle also acceleration forces do not lead to the deflection of the handle or to an ineffective deflection and therefore not to the fact that the release lever is actuated in the connected motor vehicle door lock. An associated motor vehicle door is logically not opened unintentionally.
  • the ineffectiveness of the handle in the blocking operation can be set up so that the handle with respect to the release lever in question performs or perform an idle stroke quasi, which is initiated by the locking lever in the blocking mode.
  • the procedure is such that the blocking lever blocks the handle in blocking operation.
  • the locking lever equipped with the at least two inertial masses.
  • the locking lever is pivotally formed about the rotation axis.
  • the at least two inertial masses are arranged on both sides of the axis of rotation on the respective one arm of the locking lever.
  • a design has proven to be particularly favorable, in which the locking lever is balanced with respect to acting on its axis of rotation torques. That is, a total of the locking lever acting force, ie such that acts on all its arms, according to the invention does not cause the locking lever performs a rotational movement about the axis of rotation. Rather, the locking lever remains at such forces at rest. Such forces typically occur as inertial forces in an accident.
  • the locking lever Since the locking lever is balanced with respect to acting on its axis of rotation torques, the locking lever thus remains at rest. In most cases, this position is further defined or fixed by the fact that at least one of the two arms is designed as an inertial arm resting against a stop in the resting state. That is, when connected to an accident acceleration forces the locking lever remains in its resting state, which is characterized in that the inertia arm bears against the stop.
  • the locking lever is equipped according to the invention with a stop arm, which interacts with the handle, this rest state of the locking lever ensures that the handle at a possible interpretation of the locking lever is held back respectively blocked or can be blocked.
  • the locking lever inertial masses of the locking lever has a large inertial mass, whereby it can not be set in rotation in acceleration in any direction in rotation.
  • the large inertial mass keeps the locking lever in the quiescent state in question consistently, as long as not at one of the at least two arms torque acts to pivot the locking lever (slowly) about its axis of rotation. This is the case in normal operation, namely, if the handle ensures that the locking lever undergoes the already mentioned deflection.
  • the design will be such that such "too fast" pulling movements on the handle are at most associated with an accident and, for example, can not be realized by an operator in normal operation. That is, from a certain and predetermined acceleration value of the handle, the hereby coupled locking lever can no longer follow due to its activity.
  • the locking lever is generally elastically coupled to the handle.
  • the locking lever typically has a coupling arm, which is connected by means of a spring to the handle.
  • the coupling arm is one of the two arms supporting the respective inertial mass. That is, the two arms are on the one hand as Trägheitsarm and on the other hand as a coupling arm educated.
  • the two masses or masses of inertia in question are each arranged collinear, that is to say on a common linear axis, through the pivot point.
  • the stop arm generally has an angular arrangement and may in particular be arranged at right angles thereto.
  • a plurality of masses or inertial masses can be arranged, which are each arranged on axes which pass through the pivot point.
  • the handle has a restoring device, which ensures that the handle again assumes its original position after a pulling or otherwise suitable for acting on the motor vehicle door lock.
  • the reset device is generally connected to the locking lever.
  • the return means is a spring which elastically couples the inertial arm to a base.
  • the base may be an element of a motor vehicle door, for example an outer door panel, a door inner panel or the like.
  • an actuator is provided, which is characterized by special reliability even after years. Because the locking lever is deflected each time the handle in normal operation. So as soon as the handle, for example, to open the motor vehicle door lock undergoes an operation, and the locking lever is included in this operation. Any dysfunctions are therefore not to be feared even after years.
  • an actuating device for a motor vehicle door lock 1 is shown.
  • the motor vehicle door lock 1 has in its basic structure via a locking mechanism 2, 3 of the catch 2 and pawl 3.
  • On the pawl 3 operates a release lever 4.
  • the release lever 4 is connected via a flexible connecting means or a Bowden cable 5 to a lever 6 , which is acted upon by a handle 7.
  • the handle 7 passes through a door outer panel of a motor vehicle door not shown in detail in a guide 8, which at the same time acts as base B to be explained in greater detail below. If now an operator, the handle 7 pulling applied in the arrow direction shown in the figures, is pivoted by this movement of the lever 6 about its axis 11 in the counterclockwise direction. This results in a pulling action on the Bowden cable 5, which as a result thereof pivots the release lever 4 clockwise. As a result, the pawl 3 is lifted from the catch 2, which in turn merges spring assisted in the open position and releases a previously captured locking pin.
  • This transition in normal operation of the motor vehicle door lock 1 of the in Fig. 1 The closed position shown in the open position becomes clear when following this closed position Fig. 1 corresponding to the open position Fig. 2 compares. In addition, the open position or the transition is dash-dotted in the Fig. 1 indicated.
  • a return spring 9 or generally a return device 9 is connected to a locking lever 10.
  • the restoring device 9 or the return spring 9 realized at this point connects the locking lever 10 in question elastically with the already mentioned base B or the motor vehicle door.
  • the already mentioned locking lever 10 represents another essential element of the actuating device according to the invention.
  • the locking lever 10 sets the handle 7 when occurring acceleration forces a given size, for example in an accident, ineffective.
  • the acceleration forces in question are in the figures by the a designated arrow in more detail.
  • the acceleration forces in question result a from a side impact, which of course not restrictive to understand is.
  • the locking lever 10 ensures that the handle 7 is blocked. That is in the Fig. 1 shown.
  • the locking lever 10 is in the exemplary embodiment to a three-arm lever.
  • the locking lever 10 has a stop arm 10a, which is L-shaped.
  • the stop arm 10a may optionally interact with the handle 7 or the deflection lever 6.
  • the locking lever 10 additionally has an inertial arm 10b and a coupling arm 10c.
  • the inertia arm 10b is in the resting state of the locking lever 10 against a stop 14.
  • the coupling arm 10c is elastically connected to the handle 7 via a spring 15. In this way, the locking lever 10 is connected via the spring 15 to the handle 7.
  • the locking lever 10 can be pivoted overall about an axis 16 rotatably, in the normal operation in a clockwise direction, such as an arrow in the Fig. 1 suggests. Finally, the locking lever 10 still has two inertial masses 17. The two inertial masses 17 are arranged on both sides of the axis of rotation 16 of the locking lever 10. Overall, the design is such that the locking lever 10 is balanced with respect to acting on its axis of rotation 16 torques.
  • the two respective inertial mass 17 supporting arms 10b, 10c are each collinear, that is arranged linearly on an axis.
  • the stop arm 10a has an angular arrangement.
  • the stop arm 10a is connected at right angles to the two other arms 10b, 10c. The operation is as follows.
  • the locking operation corresponds to the fact that the handle 7 in this case undergoes a blockade by the stop arm 10a, because the locking lever 10 is not pivoted about its axis 16 in this blocking operation. That is, blocked in blocking mode of Locking lever 10, the handle 7.
  • the spring 15 can ensure that the handle 7 is not deflected in the blocking mode.

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  • Lock And Its Accessories (AREA)

Description

Die Erfindung betrifft eine Betätigungseinrichtung für ein Kraftfahrzeug-Türschloss, mit einer Handhabe, und mit einem Sperrhebel, welcher die Handhabe bei auftretenden Beschleunigungskräften vorgegebener Größe, beispielsweise bei einem Unfall, unwirksam setzt, wobei im Normalbetrieb der Sperrhebel bei einer Beaufschlagung der Handhabe eine Auslenkung erfährt und lediglich im Sperrbetrieb die Handhabe unwirksam setzt, und wobei der Sperrhebel mit einem Anschlagarm ausgerüstet ist, welcher mit der Handhabe wechselwirkt.The invention relates to an actuating device for a motor vehicle door lock, with a handle, and with a locking lever, which sets the handle at occurring acceleration forces of predetermined size, for example in an accident, ineffective, wherein in normal operation, the locking lever undergoes a deflection when the handle is acted upon and only in the blocking mode, the handle is ineffective, and wherein the locking lever is equipped with a stop arm, which interacts with the handle.

Die Betätigungseinrichtung ist üblicherweise über ein Verbindungsmittel, beispielsweise einen Bowdenzug, eine Betätigungsstange etc. mit dem Kraftfahrzeug-Türschloss mechanisch gekoppelt. Dadurch kann mit Hilfe der Handhabe im einfachsten Fall ein Auslösehebel im Innern des Kraftfahrzeug-Türschlosses beaufschlagt werden. Dieser Auslösehebel hebt regelmäßig eine Sperrklinke von einer Drehfalle ab, so dass die Drehfalle federunterstützt öffnet und einen zuvor gefangenen Schließbolzen freigibt. Als Folge hiervon wird das Kraftfahrzeug-Türschloss geöffnet und kann ebenso eine zugehörige Kraftfahrzeugtür aufgeschwenkt oder sonst wie geöffnet werden.The actuating device is usually mechanically coupled via a connecting means, for example a Bowden cable, an actuating rod, etc. with the motor vehicle door lock. As a result, a release lever in the interior of the motor vehicle door lock can be acted upon with the aid of the handle in the simplest case. This release lever regularly lifts a pawl from a catch, so that the catch opens spring-assisted and releases a previously captured locking pin. As a result, the motor vehicle door lock is opened and also an associated motor vehicle door can be swung open or otherwise opened.

Um eine unbeabsichtigte Öffnung beispielsweise bei einem Unfall zu verhindern, ist der Sperrhebel vorgesehen. Zu diesem Zweck setzt der Sperrhebel die Handhabe bei mit einem Unfall verbundenen auftretenden Beschleunigungskräften vorgegebener Größe unwirksam. Das heißt, die betreffenden Beschleunigungskräften führen infolge der Wirkung des Sperrhebels nicht dazu, dass das Kraftfahrzeug-Türschloss unbeabsichtigt geöffnet wird. Dadurch erfahren im Innern einer Kraftfahrzeugkarosserie befindliche Personen einen maximalen Schutz und können insbesondere hier vorhandene Sicherheitseinrichtungen, wie Seitenaufprallschutz, Airbag etc. maximale Wirkung entfalten.To prevent inadvertent opening, for example in an accident, the locking lever is provided. For this purpose, the locking lever sets the handle ineffective associated with an accident occurring acceleration forces of predetermined size. That is, the respective acceleration forces do not cause due to the action of the locking lever that the motor vehicle door lock is opened unintentionally. As a result, persons located in the interior of a motor vehicle body obtain maximum protection and can, in particular, deploy maximum safety here, such as side impact protection, airbag, etc.

Im Stand der Technik nach der DE 199 49 119 A1 wird so vorgegangen, dass ein kugelförmig ausgebildetes Steuerelement realisiert ist. Das Steuerelement arbeitet seinerseits auf ein Sicherungsteil, welches im Crashfall in eine nutenförmige Ausnehmung eingreift und dadurch die Handhabe blockiert.In the prior art according to the DE 199 49 119 A1 The procedure is that a ball-shaped control is realized. The control works in turn on a securing part, which engages in a crash in a groove-shaped recess and thereby blocks the handle.

Ähnlich geht der Stand der Technik nach der ebenfalls gattungsbildenden DE 199 10 513 A1 vor. In diesem Fall ist ein Sperrhebel realisiert, welcher mit einer ortsfesten Gegensperrfläche zusammenwirkt. Bei einem Crashfall und den damit zusammenhängenden Massenkräften verschwenkt der Sperrhebel in eine den Türgriff arretierende Sperrlage.Similarly, the prior art after the also generic DE 199 10 513 A1 in front. In this case, a locking lever is realized, which cooperates with a stationary counter-locking surface. In the event of a crash and the associated mass forces, the locking lever pivots into a locking position locking the door handle.

Erwähnenswert ist schließlich noch das in der DE 2 023 859 beschriebene Türschloss, insbesondere für Kraftfahrzeuge. Dieses ist mit einem Ziehgriff und mit einer durch Massenträgheit wirkenden Einrichtung ausgerüstet. Der Ziehgriff weist einen Schaft auf, welcher durch ein Türaußenblech ins Türinnere eindringt. Im Türinneren ist eine Ausgleichsmasse derart schwenkbar gelagert, dass sie bei einer plötzlichen und gegen das Türaußenblech drückenden Änderung der Bewegungsrichtung eine Verschwenkung des Ziehgriffbügels in Öffnungsrichtung verhindert.Finally worth mentioning is that in the DE 2 023 859 described door lock, especially for motor vehicles. This is equipped with a pull handle and an acting by inertia device. The pull handle has a shaft, which penetrates through an outside door panel into the door. In the interior of the door a balancing mass is pivotally mounted such that it prevents pivoting of the pull handle bracket in the opening direction in a sudden and pressing against the door outer panel change in the direction of movement.

Die gattungsbildende Lehre nach der EP 1 635 016 A2 arbeitet mit einem Gegengewicht, welches um eine Achse verschwenkbar ausgebildet ist, die beabstandet von einer Griffachse ihrer Anordnung erfährt. Dadurch kann das Gegengewicht in einer ersten und zweiten Richtung um seine Achse verschwenkt werden. In der zweiten und beispielsweise bei einem Umfall absolvierten Richtung wird eine Bewegung der Handhabe mechanisch verhindert.The generic teaching after the EP 1 635 016 A2 works with a counterweight, which is formed pivotable about an axis which is spaced from a Griffachse learns their arrangement. Thereby, the counterweight can be pivoted about its axis in a first and second direction. In the second and, for example, in a turn completed direction a movement of the handle is mechanically prevented.

Der Stand der Technik hat sich grundsätzlich bewährt, stößt allerdings dann an Grenzen, wenn der Sperrhebel lange Zeit nicht betätigt worden ist. Tatsächlich beobachtet man heutzutage eine zunehmende Lebensdauer der Kraftfahrzeuge, die oftmals ein Alter von deutlich mehr als 10 Jahren erreichen. Hier ist es im Rahmen der bisher verfolgten Maßnahmen schwierig, nach wie vor die Funktionsfähigkeit des Sperrhebels auch nach langer Zeit sicherzustellen. Denn dieser Sperrhebel ist typischerweise im Bereich eines Außentürgriffes respektive einer dort angeordneten Betätigungseinrichtung platziert und somit Wettereinflüssen, Korrosion etc. mehr oder minder stark ausgesetzt. Bei einer solchen Auslegung kann nicht sichergestellt werden, dass auch noch nach Jahren die gewünschte und einwandfreie Funktionalität beobachtet wird und die Kraftfahrzeuginsassen optimalen Schutz bei einem Unfall erfahren. Hier will die Erfindung insgesamt Abhilfe schaffen.The prior art has proven itself in principle, but then reaches its limits when the locking lever has not been operated for a long time. In fact, nowadays an increasing lifetime of the motor vehicles, which often reach an age of well over 10 years, is observed. Here it is difficult in the context of the measures taken so far to ensure the operability of the locking lever even after a long time. For this locking lever is typically placed in the region of an outer door handle or a control device arranged there and thus more or less exposed to weather influences, corrosion, etc. With such a design can not be ensured that even after years, the desired and proper functionality is observed and the vehicle occupants experience optimal protection in an accident. Here, the invention aims to provide a total remedy.

Der Erfindung liegt das technische Problem zugrunde, eine derartige Betätigungseinrichtung für ein Kraftfahrzeug-Türschloss des eingangs beschriebenen Aufbaus so weiter zu entwickeln, dass eine dauerhafte und insbesondere noch nach Jahren gewährleistete Funktionssicherheit beobachtet wird.The invention is based on the technical problem of further developing such an actuating device for a motor vehicle door lock of the structure described at the beginning in such a way that a permanent and in particular still guaranteed functional reliability is observed.

Zur Lösung dieser technischen Problemstellung ist eine gattungsgemäße Betätigungseinrichtung im Rahmen der Erfindung dadurch gekennzeichnet, dass der Sperrhebel mit wenigstens zwei Trägheitsmassen ausgerüstet ist, die beidseitig einer Drehachse des Sperrhebels an jeweils einem Arm angeordnet sind, wobei die beiden die jeweilige Trägheitsmasse tragenden Arme jeweils kollinear und der Anschlagarm demgegenüber winklig angeordnet sind. Meistens ist der Anschlagarm gegenüber den beiden die jeweilige Trägheitsmasse tragenden Armen rechtwinklig angeordnet.To solve this technical problem, a generic actuator is within the scope of the invention characterized in that the locking lever is equipped with at least two inertial masses, which are arranged on both sides of a rotation axis of the locking lever to one arm, the two respective inertial mass bearing arms each collinear and the stop arm are arranged angularly in contrast. In most cases, the stop arm is arranged at right angles to the two arms carrying the respective inertial mass.

Im Rahmen der Erfindung korrespondiert der Normalbetrieb also dazu, dass der Sperrhebel bei einer bzw. bei jeder Beaufschlagung der Handhabe eine Auslenkung erfährt. Im Regelfall korrespondiert jede Betätigung der Handhabe folglich dazu, dass zugleich auch der Sperrhebel ausgelenkt wird. Jedes Mal, wenn also beispielsweise der Außentürgriff bzw. die dort vorgesehene Handhabe von einem Bediener zum Öffnen der zugehörigen Kraftfahrzeugtür gezogen oder sonst wie beaufschlagt wird, wird zugleich auch der Sperrhebel ausgelenkt. Dadurch ist sichergestellt, dass etwaige Lager für den meistens drehbar gelagerten Sperrhebel nicht mit der Zeit durch beispielsweise Korrosion "festbacken" oder im schlimmsten Fall sogar "festrosten" können. Vielmehr sorgt die ständige und regelmäßige Beaufschlagung des Sperrhebels dafür, dass dieser seine Funktion auch bei hoher Lebensdauer des Kraftfahrzeuges und folglich des zugehörigen Türschlosses wie der Betätigungseinrichtung beibehält.In the context of the invention, the normal operation thus corresponds to the fact that the locking lever undergoes a deflection at one or each time the handle is acted upon. As a rule, each actuation of the handle consequently corresponds to the fact that at the same time the locking lever is deflected. Each time, for example, when the outer door handle or the handle provided there is pulled or otherwise acted upon by an operator to open the associated motor vehicle door, the locking lever is also deflected at the same time. This ensures that any bearing for the usually rotatably mounted locking lever can not "caking" with time by, for example, corrosion, or even "rust down" in the worst case. Rather, the constant and regular loading of the locking lever ensures that this retains its function even with a long service life of the motor vehicle and consequently the associated door lock as the actuator.

Im Detail sorgt der Sperrhebel im Sperrbetrieb, das heißt typischerweise bei mit einem Unfall verbundenen Beschleunigungskräften, dafür, dass die Handhabe in ihrer Funktion unwirksam wird. Das heißt, etwaige an der Handhabe ebenfalls angreifende Beschleunigungskräfte führen nicht zum Auslenken der Handhabe bzw. zu einer unwirksamen Auslenkung und folglich auch nicht dazu, dass der Auslösehebel im angeschlossenen Kraftfahrzeug-Türschloss betätigt wird. Eine zugehörige Kraftfahrzeugtür wird folgerichtig nicht unbeabsichtigt geöffnet.In detail, the locking lever in the blocking mode, that is typically in acceleration forces associated with an accident, ensures that the handle is ineffective in its function. That is, any attacking on the handle also acceleration forces do not lead to the deflection of the handle or to an ineffective deflection and therefore not to the fact that the release lever is actuated in the connected motor vehicle door lock. An associated motor vehicle door is logically not opened unintentionally.

Die Unwirksamkeit der Handhabe im Sperrbetrieb kann dabei so eingerichtet werden, dass die Handhabe mit Bezug zu dem fraglichen Auslösehebel quasi einen Leerhub vollführt oder vollführen kann, welcher vom Sperrhebel im Sperrbetrieb initiiert wird. Im Regelfall wird jedoch so vorgegangen, dass der Sperrhebel im Sperrbetrieb die Handhabe blockiert. Zu diesem Zweck ist der Sperrhebel mit den wenigstens zwei Trägheitsmassen ausgerüstet. Außerdem ist der Sperrhebel schwenkbar um die Drehachse ausgebildet.The ineffectiveness of the handle in the blocking operation can be set up so that the handle with respect to the release lever in question performs or perform an idle stroke quasi, which is initiated by the locking lever in the blocking mode. As a rule, however, the procedure is such that the blocking lever blocks the handle in blocking operation. For this purpose, the locking lever equipped with the at least two inertial masses. In addition, the locking lever is pivotally formed about the rotation axis.

Die wenigstens zwei Trägheitsmassen sind beidseitig der Drehachse an dem jeweils einen Arm des Sperrhebels angeordnet. Dabei hat sich besonders eine Auslegung als günstig erwiesen, bei welcher der Sperrhebel hinsichtlich der an seiner Drehachse angreifenden Drehmomente ausbalanciert ist. Das heißt, eine den Sperrhebel insgesamt beaufschlagende Kraft, also eine solche, die an seinen sämtlichen Armen angreift, führt erfindungsgemäß nicht dazu, dass der Sperrhebel eine Drehbewegung um die Drehachse vollführt. Vielmehr bleibt der Sperrhebel bei derartigen Kräften in Ruhe. Solche Kräfte treten typischerweise als Trägheitskräfte bei einem Unfall auf.The at least two inertial masses are arranged on both sides of the axis of rotation on the respective one arm of the locking lever. In this case, a design has proven to be particularly favorable, in which the locking lever is balanced with respect to acting on its axis of rotation torques. That is, a total of the locking lever acting force, ie such that acts on all its arms, according to the invention does not cause the locking lever performs a rotational movement about the axis of rotation. Rather, the locking lever remains at such forces at rest. Such forces typically occur as inertial forces in an accident.

Da der Sperrhebel hinsichtlich der an seiner Drehachse angreifenden Drehmomente ausbalanciert ist, bleibt der Sperrhebel folglich in Ruhe. Meistens wird diese Position noch dadurch näher definiert oder fixiert, dass wenigstens einer der beiden Arme als im Ruhezustand an einem Anschlag anliegender Trägheitsarm ausgebildet ist. Das heißt, bei mit einem Unfall verbundenen Beschleunigungskräften verharrt der Sperrhebel in seinem Ruhezustand, welcher dadurch charakterisiert ist, dass der Trägheitsarm an dem Anschlag anliegt.Since the locking lever is balanced with respect to acting on its axis of rotation torques, the locking lever thus remains at rest. In most cases, this position is further defined or fixed by the fact that at least one of the two arms is designed as an inertial arm resting against a stop in the resting state. That is, when connected to an accident acceleration forces the locking lever remains in its resting state, which is characterized in that the inertia arm bears against the stop.

Da der Sperrhebel erfindungsgemäß mit einem Anschlagarm ausgerüstet ist, welcher mit der Handhabe wechselwirkt, sorgt dieser Ruhezustand des Sperrhebels dafür, dass die Handhabe bei einer etwaigen Auslegung von dem Sperrhebel gleichsam zurückgehalten respektive blockiert wird bzw. blockiert werden kann.Since the locking lever is equipped according to the invention with a stop arm, which interacts with the handle, this rest state of the locking lever ensures that the handle at a possible interpretation of the locking lever is held back respectively blocked or can be blocked.

Durch die Anordnung der beiden am Sperrhebel vorgesehenen Trägheitsmassen verfügt der Sperrhebel über eine große träge Masse, wodurch er bei Beschleunigung in beliebiger Richtung nicht in Rotation versetzt werden kann. Die große träge Masse lässt den Sperrhebel in dem fraglichen Ruhezustand durchweg verharren , solange nicht an einem der wenigstens zwei Arme ein Drehmoment angreift, um den Sperrhebel (langsam) um seine Drehachse zu verschwenken. Das ist im Normalbetrieb der Fall, wenn nämlich die Handhabe dafür sorgt, dass der Sperrhebel die bereits angesprochene Auslenkung erfährt.Due to the arrangement of the two provided on the locking lever inertial masses of the locking lever has a large inertial mass, whereby it can not be set in rotation in acceleration in any direction in rotation. The large inertial mass keeps the locking lever in the quiescent state in question consistently, as long as not at one of the at least two arms torque acts to pivot the locking lever (slowly) about its axis of rotation. This is the case in normal operation, namely, if the handle ensures that the locking lever undergoes the already mentioned deflection.

Jede von einer solchen (langsamen) Bewegung der Handhabe abweichende (schnelle) Bewegung ist dagegen nicht in der Lage, den Sperrhebel auszulenken. Vielmehr beobachtet man in einem solchen Fall, dass der Sperrhebel aufgrund der großen trägen Massen seine Position bzw. den Ruhezustand beibehält. Als Folge hiervon führt letztlich auch ein "zu schnelles Ziehen" an der Handhabe dazu, dass der Sperrhebel keine Auslenkung erfährt und den Ruhezustand beibehält. Dadurch wird letztendlich die Handhabe blockiert.Any (rapid) movement deviating from such a (slow) movement of the handle, however, is unable to deflect the locking lever. Rather, it is observed in such a case that the locking lever retains its position or hibernation due to the large inertial masses. As a result, ultimately leads to a "too fast pulling" on the handle to the fact that the locking lever undergoes no deflection and retains the idle state. As a result, the handle is ultimately blocked.

Im Allgemeinen wird man in diesem Kontext die Auslegung so treffen, dass solche "zu schnellen" Ziehbewegungen an der Handhabe allenfalls mit einem Unfallhergang verbunden sind und beispielsweise nicht von einem Bediener im Normalbetrieb realisiert werden können. Das heißt, ab einem bestimmten und vorgegebenen Beschleunigungswert der Handhabe kann der hiermit gekoppelte Sperrhebel aufgrund seiner Tätigkeit nicht mehr folgen. Zu diesem Zweck ist der Sperrhebel im Allgemeinen elastisch mit der Handhabe gekoppelt. Hierzu verfügt der Sperrhebel typischerweise über einen Koppelarm, der mit Hilfe einer Feder an die Handhabe angeschlossen ist. Bei dem Koppelarm handelt es sich um einen der beiden die jeweilige Trägheitsmasse tragenden Arme. Das heißt, die beiden Arme sind einerseits als Trägheitsarm und andererseits als Koppelarm ausgebildet. Darüber hinaus sind die beiden fraglichen Massen bzw. Trägheitsmassen jeweils kollinear, also auf einer gemeinsamen linearen Achse, durch den Drehpunkt angeordnet. Demgegenüber weist der Anschlagarm im Allgemeinen eine winklige Anordnung auf und mag insbesondere rechtwinklig hierzu angeordnet sein.In general, in this context, the design will be such that such "too fast" pulling movements on the handle are at most associated with an accident and, for example, can not be realized by an operator in normal operation. That is, from a certain and predetermined acceleration value of the handle, the hereby coupled locking lever can no longer follow due to its activity. For this purpose, the locking lever is generally elastically coupled to the handle. For this purpose, the locking lever typically has a coupling arm, which is connected by means of a spring to the handle. The coupling arm is one of the two arms supporting the respective inertial mass. That is, the two arms are on the one hand as Trägheitsarm and on the other hand as a coupling arm educated. In addition, the two masses or masses of inertia in question are each arranged collinear, that is to say on a common linear axis, through the pivot point. In contrast, the stop arm generally has an angular arrangement and may in particular be arranged at right angles thereto.

In einer weiteren, nicht dargestellten Ausführungsform, können auch mehrere Massen bzw. Trägheitsmassen angeordnet werden, die sich jeweils auf Achsen, die durch den Drehpunkt gehen, angeordnet sind.In a further, not shown embodiment, a plurality of masses or inertial masses can be arranged, which are each arranged on axes which pass through the pivot point.

Schlussendlich weist die Handhabe noch eine Rückstelleinrichtung auf, welche dafür sorgt, dass die Handhabe nach einer ziehenden oder sonst wie zur Beaufschlagung des Kraftfahrzeug-Türschlosses geeigneten Beaufschlagung wieder ihre ursprüngliche Position einnimmt. Die Rückstelleinrichtung ist im Allgemeinen an den Sperrhebel angeschlossen. Üblicherweise handelt es sich bei der Rückstelleinrichtung um eine Feder, welche den Trägheitsarm mit einer Basis elastisch koppelt. Bei der Basis mag es sich um ein Element einer Kraftfahrzeugtür, beispielsweise ein Türaußenblech, ein Türinnenblech oder dergleichen handelt.Finally, the handle has a restoring device, which ensures that the handle again assumes its original position after a pulling or otherwise suitable for acting on the motor vehicle door lock. The reset device is generally connected to the locking lever. Typically, the return means is a spring which elastically couples the inertial arm to a base. The base may be an element of a motor vehicle door, for example an outer door panel, a door inner panel or the like.

Im Ergebnis wird eine Betätigungseinrichtung zur Verfügung gestellt, die sich durch besondere Funktionssicherheit auch noch nach Jahren auszeichnet. Denn der Sperrhebel wird bei jeder Beaufschlagung der Handhabe im Normalbetrieb ausgelenkt. Sobald also die Handhabe beispielsweise zum Öffnen des Kraftfahrzeug-Türschlosses eine Betätigung erfährt, wird auch der Sperrhebel in diese Betätigung mit einbezogen. Etwaige Funktionsstörungen sind folglich auch nach Jahren nicht zu befürchten.As a result, an actuator is provided, which is characterized by special reliability even after years. Because the locking lever is deflected each time the handle in normal operation. So as soon as the handle, for example, to open the motor vehicle door lock undergoes an operation, and the locking lever is included in this operation. Any dysfunctions are therefore not to be feared even after years.

Im Sperrbetrieb, also bei an der Betätigungseinrichtung wie am Kraftfahrzeug-Türschloss angreifenden erhöhten Beschleunigungskräften, beispielsweise im Zuge eines Unfalls, verbleibt der Sperrhebel aufgrund seiner hohen Trägheitsmassen im Ruhezustand, weil darüber hinaus der Sperrhebel hinsichtlich der an ihm angreifenden Drehmomente ausbalanciert ist. Die bei diesem Vorgang ausgelenkte Handhabe wird seitens des im Ruhezustand verharrenden und trägen Sperrhebels blockiert, kann folglich nicht das Kraftfahrzeug-Türschloss beaufschlagen. Eine unbeabsichtigte Öffnung eines im Innern des Kraftfahrzeug-Türschlosses befindlichen Gesperres kann dadurch ausgeschlossen werden und die im Innern einer Kraftfahrzeugkarosserie befindlichen Insassen werden durch die dann voll wirksamen Sicherheitseinrichtungen optimal geschützt. Hierin sind die wesentlichen Vorteile zu sehen.In the blocking mode, ie when acting on the actuator as the motor vehicle door lock increased acceleration forces, for example in the course of an accident, the locking lever remains due to its high inertial masses at rest, because in addition the locking lever is balanced with respect to acting on it torques. The deflected in this process handle is blocked by the idle state persisted and sluggish locking lever, therefore can not act on the motor vehicle door lock. Unintentional opening of a locking mechanism located in the interior of the motor vehicle door lock can thereby be ruled out and the occupants located in the interior of a motor vehicle body are optimally protected by the then fully effective safety devices. Here are the main benefits.

Im Folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung näher erläutert; es zeigen:

Fig. 1 und 2
die erfindungsgemäße Betätigungseinrichtung schematisch in verschiedenen Funktionsstellungen.
In the following the invention will be explained in more detail with reference to a drawing showing only one exemplary embodiment; show it:
Fig. 1 and 2
the actuator according to the invention schematically in different functional positions.

In den Figuren ist eine Betätigungseinrichtung für ein Kraftfahrzeugtürschloss 1 dargestellt. Das Kraftfahrzeug-Türschloss 1 verfügt in seinem grundsätzlichen Aufbau über ein Gesperre 2, 3 aus Drehfalle 2 und Sperrklinke 3. Auf die Sperrklinke 3 arbeitet ein Auslösehebel 4. Der Auslösehebel 4 ist über ein flexibles Verbindungsmittel bzw. einen Bowdenzug 5 an einen Umlenkhebel 6 angeschlossen, der von einer Handhabe 7 beaufschlagt wird.In the figures, an actuating device for a motor vehicle door lock 1 is shown. The motor vehicle door lock 1 has in its basic structure via a locking mechanism 2, 3 of the catch 2 and pawl 3. On the pawl 3 operates a release lever 4. The release lever 4 is connected via a flexible connecting means or a Bowden cable 5 to a lever 6 , which is acted upon by a handle 7.

Die Handhabe 7 durchgreift in einer Führung 8 ein Türaußenblech einer nicht näher dargestellten Kraftfahrzeugtür, welche zugleich als nachfolgend noch näher zu erläuternde Basis B fungiert. Wenn nun ein Bediener die Handhabe 7 ziehend in der in den Figuren dargestellten Pfeilrichtung beaufschlagt, wird durch diese Bewegung der Umlenkhebel 6 um seine Achse 11 im Gegenuhrzeigersinn verschwenkt. Daraus resultiert eine ziehende Beaufschlagung des Bowdenzuges 5, welcher als Folge hiervon den Auslösehebel 4 im Uhrzeigersinn verschwenkt. Dadurch wird die Sperrklinke 3 von der Drehfalle 2 abgehoben, welche ihrerseits federunterstützt in die Öffnungsposition übergeht und einen zuvor gefangenen Schließbolzen freigibt. Dieser Übergang im Normalbetrieb des Kraftfahrzeug-Türschlosses 1 von der in Fig. 1 dargestellten geschlossenen in die geöffnete Position wird deutlich, wenn man diese geschlossene Position nach Fig. 1 mit der geöffneten Position entsprechend Fig. 2 vergleicht. Zusätzlich ist die geöffnete Position bzw. der Übergang strichpunktiert in der Fig. 1 angedeutet.The handle 7 passes through a door outer panel of a motor vehicle door not shown in detail in a guide 8, which at the same time acts as base B to be explained in greater detail below. If now an operator, the handle 7 pulling applied in the arrow direction shown in the figures, is pivoted by this movement of the lever 6 about its axis 11 in the counterclockwise direction. This results in a pulling action on the Bowden cable 5, which as a result thereof pivots the release lever 4 clockwise. As a result, the pawl 3 is lifted from the catch 2, which in turn merges spring assisted in the open position and releases a previously captured locking pin. This transition in normal operation of the motor vehicle door lock 1 of the in Fig. 1 The closed position shown in the open position becomes clear when following this closed position Fig. 1 corresponding to the open position Fig. 2 compares. In addition, the open position or the transition is dash-dotted in the Fig. 1 indicated.

Nach der ziehenden Beaufschlagung kehrt die Handhabe 7 in ihre ursprüngliche Position entsprechend der durchgezogenen Darstellung in der Fig. 1 zurück. Hierfür sorgt eine Rückstellfeder 9 oder allgemein eine Rückstelleinrichtung 9. Die Rückstelleinrichtung bzw. Rückstellfeder 9 ist an einen Sperrhebel 10 angeschlossen. Tatsächlich verbindet die Rückstelleinrichtung 9 bzw. die an dieser Stelle realisierte Rückstellfeder 9 den fraglichen Sperrhebel 10 elastisch mit der bereits angesprochenen Basis B bzw. der Kraftfahrzeugtür.After the pulling action, the handle 7 returns to its original position according to the solid representation in the Fig. 1 back. This is ensured by a return spring 9 or generally a return device 9. The return device or restoring spring 9 is connected to a locking lever 10. In fact, the restoring device 9 or the return spring 9 realized at this point connects the locking lever 10 in question elastically with the already mentioned base B or the motor vehicle door.

Neben der Handhabe 7 und dem Kraftfahrzeug-Türschloss 1 stellt der bereits angesprochene Sperrhebel 10 ein weiteres wesentliches Element der erfindungsgemäßen Betätigungseinrichtung dar. Denn der Sperrhebel 10 setzt die Handhabe 7 bei auftretenden Beschleunigungskräften a vorgegebener Größe, beispielsweise bei einem Unfall, unwirksam. Die fraglichen Beschleunigungskräfte sind in den Figuren durch den mit a bezeichneten Pfeil näher charakterisiert. Im Beispielfall resultieren die fraglichen Beschleunigungskräfte a aus einem Seitenaufprall, was selbstverständlich nicht einschränkend zu verstehen ist. In einem solchen Fall bzw. im Sperrbetrieb sorgt der Sperrhebel 10 dafür, dass die Handhabe 7 blockiert wird. Das ist in der Fig. 1 dargestellt.In addition to the handle 7 and the motor vehicle door lock 1, the already mentioned locking lever 10 represents another essential element of the actuating device according to the invention. For the locking lever 10 sets the handle 7 when occurring acceleration forces a given size, for example in an accident, ineffective. The acceleration forces in question are in the figures by the a designated arrow in more detail. In the example case, the acceleration forces in question result a from a side impact, which of course not restrictive to understand is. In such a case or in the blocking mode, the locking lever 10 ensures that the handle 7 is blocked. That is in the Fig. 1 shown.

Bei dem Sperrhebel 10 handelt es sich im Ausführungsbeispiel um einen Dreiarmhebel. Tatsächlich verfügt der Sperrhebel 10 über einen Anschlagarm 10a, welcher L-förmig gestaltet ist. Der Anschlagarm 10a kann gegebenenfalls mit der Handhabe 7 bzw. dem Umlenkhebel 6 wechselwirken. Tatsächlich durchgreift der um die Drehachse 11 schwenkbar gelagerte Umlenkhebel 6 eine Ausnehmung 12 in der Handhabe 7 und weist einen Anschlag 13 auf, welcher mit dem Anschlagarm 10a des Sperrhebels 10 gegebenenfalls wechselwirkt.The locking lever 10 is in the exemplary embodiment to a three-arm lever. In fact, the locking lever 10 has a stop arm 10a, which is L-shaped. The stop arm 10a may optionally interact with the handle 7 or the deflection lever 6. In fact, passes through the pivot axis 11 pivotally mounted lever 6 a recess 12 in the handle 7 and has a stop 13, which interacts with the stop arm 10a of the locking lever 10, if necessary.

Neben dem Anschlagarm 10a weist der Sperrhebel 10 zusätzlich noch einen Trägheitsarm 10b und einen Koppelarm 10c auf. Der Trägheitsarm 10b liegt im Ruhezustand des Sperrhebels 10 an einem Anschlag 14 an. Der Koppelarm 10c ist über eine Feder 15 mit der Handhabe 7 elastisch verbunden. Auf diese Weise ist der Sperrhebel 10 über die Feder 15 an die Handhabe 7 angeschlossen.In addition to the stop arm 10a, the locking lever 10 additionally has an inertial arm 10b and a coupling arm 10c. The inertia arm 10b is in the resting state of the locking lever 10 against a stop 14. The coupling arm 10c is elastically connected to the handle 7 via a spring 15. In this way, the locking lever 10 is connected via the spring 15 to the handle 7.

Der Sperrhebel 10 lässt sich insgesamt um eine Achse 16 drehbar verschwenken, und zwar im Normalbetrieb im Uhrzeigersinn, wie ein Pfeil in der Fig. 1 andeutet. Schließlich verfügt der Sperrhebel 10 noch über zwei Trägheitsmassen 17. Die beiden Trägheitsmassen 17 sind beidseitig der Drehachse 16 des Sperrhebels 10 angeordnet. Insgesamt ist die Auslegung so getroffen, dass der Sperrhebel 10 hinsichtlich der an seiner Drehachse 16 angreifenden Drehmomente ausbalanciert ist.The locking lever 10 can be pivoted overall about an axis 16 rotatably, in the normal operation in a clockwise direction, such as an arrow in the Fig. 1 suggests. Finally, the locking lever 10 still has two inertial masses 17. The two inertial masses 17 are arranged on both sides of the axis of rotation 16 of the locking lever 10. Overall, the design is such that the locking lever 10 is balanced with respect to acting on its axis of rotation 16 torques.

Falls also die angedeuteten Beschleunigungskräfte a an dem Türschloss 1, der Handhabe 7 und selbstverständlich auch an dem Sperrhebel 10 in der dargestellten Richtung angreifen, führen diese Beschleunigungskräfte a nicht dazu, dass der Sperrhebel 10 um seine Achse 16 verschwenkt wird. Vielmehr verharrt der Sperrhebel 10 aufgrund seiner beiden Trägheitsmassen 17 im Ruhezustand, in welchem der Trägheitsarm 10b an dem Anschlag 14 anliegt und folglich dieser Ruhezustand auf diese Weise festgelegt wird. Hierfür sorgt zugleich das Wechselspiel von einerseits der an einem Ende des Trägheitsarmes 10b angreifenden Rückstellfeder 9 und andererseits der den Koppelarm 10c elastisch mit der Handhabe 7 verbindenden Feder 15.So if the indicated acceleration forces a on the door lock 1, the handle 7 and of course also attack on the locking lever 10 in the direction shown, lead these acceleration forces a not to that the locking lever 10 is pivoted about its axis 16. Rather, the locking lever 10 remains due to its two inertial masses 17 in the resting state, in which the inertia arm 10b rests against the stop 14 and consequently this resting state is set in this way. At the same time, this is ensured by the interplay of, on the one hand, the return spring 9 acting on one end of the inertia arm 10b and, on the other hand, the spring 15 connecting the coupling arm 10c elastically to the handle 7.

Die beiden die jeweilige Trägheitsmasse 17 tragenden Arme 10b, 10c sind jeweils kollinear, das heißt linear auf einer Achse angeordnet. Demgegenüber verfügt der Anschlagarm 10a über eine winklige Anordnung. Im Ausführungsbeispiel ist der Anschlagarm 10a rechtwinklig an die beiden anderen Arme 10b, 10c angeschlossen. Die Funktionsweise ist wie folgt.The two respective inertial mass 17 supporting arms 10b, 10c are each collinear, that is arranged linearly on an axis. In contrast, the stop arm 10a has an angular arrangement. In the exemplary embodiment, the stop arm 10a is connected at right angles to the two other arms 10b, 10c. The operation is as follows.

Ausgehend von dem durchgezogen in der Fig. 1 dargestellten Normalbetrieb, das heißt für den Fall, dass keine beispielsweise mit einem Unfall einhergehende Beschleunigungskräftea angreifen, sorgt die in Pfeilrichtung vorgenommene ziehende Beaufschlagung der Handhabe 7 dafür, dass zum einen der Umlenkhebel 6 mit den zuvor bereits beschriebenen Folgen im Gegenuhrzeigersinn verschwenkt wird. Am Ende dieser Bewegung ist das Gesperre 2, 3 geöffnet. Zum anderen führt dieser Vorgang dazu, dass der Anschlag 13 am Umlenkhebel 6 mit dem Anschlagarm 10a des Sperrhebels 10 wechselwirkt. Dadurch wird der Sperrhebel 10 um seine Achse 16 im Uhrzeigersinn wie angedeutet verschwenkt und kann die Handhabe 7 insgesamt den Umlenkhebel 6 derart beaufschlagen, dass tatsächlich das Gesperre 2, 3 wie beschrieben geöffnet wird und auch geöffnet werden kann. Dagegen korrespondiert der Sperrbetrieb dazu, dass die Handhabe 7 hierbei durch den Anschlagarm 10a eine Blockade erfährt, weil der Sperrhebel 10 in diesem Sperrbetrieb nicht um seine Achse 16 verschwenkt wird. Das heißt, im Sperrbetrieb blockiert der Sperrhebel 10 die Handhabe 7. Alternativ hierzu kann auch die Feder 15 dafür sorgen, dass die Handhabe 7 im Sperrbetrieb nicht ausgelenkt wird.Starting from the pulled in the Fig. 1 illustrated normal operation, that is, in the event that no acceleration forces associated with an accident, for example a attack, made in the direction of arrow pulling action of the handle 7 ensures that on the one hand the lever 6 is pivoted with the consequences already described above in the counterclockwise direction. At the end of this movement, the locking mechanism 2, 3 is open. On the other hand, this process causes the stop 13 on the reversing lever 6 interacts with the stop arm 10a of the locking lever 10. Characterized the locking lever 10 is pivoted about its axis 16 in the clockwise direction as indicated and the handle 7 can act on the total deflection lever 6 such that in fact the locking mechanism 2, 3 is opened as described and can also be opened. In contrast, the locking operation corresponds to the fact that the handle 7 in this case undergoes a blockade by the stop arm 10a, because the locking lever 10 is not pivoted about its axis 16 in this blocking operation. That is, blocked in blocking mode of Locking lever 10, the handle 7. Alternatively, the spring 15 can ensure that the handle 7 is not deflected in the blocking mode.

Ein solcher Sperrbetrieb wird beobachtet, sobald signifikante Beschleunigungskräfte a angreifen. Das kann typischerweise bei einem Unfall geschehen bzw. der Fall sein. In einem solchen Fall sorgt die ausbalancierte Auslegung des Sperrhebels 10 hinsichtlich der an seiner Drehachse 16 angreifenden Drehmomente dafür, dass der Sperrhebel 10 seinen in der Fig. 1 durchgezogen dargestellten Ruhezustand beibehält. Das heißt, der Sperrhebel 10 verfügt über eine entsprechende Trägheit, die von den beiden Trägheitsmassen 17 zur Verfügung gestellt wird. Eine etwaige und schnelle Ziehbewegung an der Handhabe 7 in der Pfeilrichtung gemäß Fig. 1 wird folglich nicht umgesetzt, weil entweder die die Handhabe 7 mit dem Sperrhebel 10 koppelnde Feder 15 die Handhabe 7 zurückhält oder der Anschlag 13 des von der Handhabe 7 mitgenommenen Übertragungshebels 6 von dem Anschlagarm 10a des Sperrhebels 10 zurückgehalten und blockiert wird.Such a locking operation is observed as soon as significant acceleration forces a attack. This can typically happen in an accident or be the case. In such a case, the balanced design of the locking lever 10 ensures with respect to acting on its axis of rotation 16 torques that the locking lever 10 his in the Fig. 1 solid state shown restrained. That is, the locking lever 10 has a corresponding inertia, which is provided by the two inertial masses 17 available. A possible and rapid pulling movement on the handle 7 in the direction of the arrow according to Fig. 1 is therefore not implemented, either because the handle 7 with the locking lever 10 coupling spring 15, the handle 7 holds back or the stop 13 of the handle 7 entrained transmission lever 6 is retained by the stop arm 10 a of the locking lever 10 and blocked.

Claims (11)

  1. An actuation device for a motor vehicle door lock, having a handle (7), and a locking lever (12), which renders the handle (7) ineffective when acceleration forces (a) of a predetermined magnitude occur, in the event of an accident, for example, wherein,
    - in normal operation the locking lever (10) undergoes a deflection when acted upon by the handle (7) and only renders the handle (7) ineffective in locked operation,
    - the locking lever (10) is equipped with a limit stop arm (10a) which interacts with the handle (7),
    characterised in that
    - the locking lever (10) is equipped with at least two inertia masses (17) which are arranged on each arm (10b, 10c) on either side of an axis of rotation (16) of the locking lever (10), wherein
    - the arms (10b, 10c) supporting the respective inertia masses (17) are each colinear, and are arranged opposite each other and at an angle with respect to the limit stop arm (10a).
  2. The actuation device according to claim 1, characterised in that the limit stop arm (10a) is arranged at right angles to each of the two arms (10b, 10c) that support the inertia masses (17).
  3. The actuation device according to claim 1 or 2, characterised in that the locking lever (10) blocks the handle (7) in locked operation.
  4. The actuation device according to any one of claims 1 to 3, characterised in that the locking lever (10) is balanced in respect of the turning moments acting on its axis of rotation (16).
  5. The actuation device according to any one of claims 1 to 4, characterised in that at least one of the two arms (10b, 10c) is designed as an inertia arm (10b) which lies flush with a limit stop (14) in the resting state.
  6. The actuation device according to any one of claims 1 to 5, characterised in that the locking lever (10) is coupled elastically with the handle (7).
  7. The actuation device according to any claim 6, characterised in that a coupling arm (10c) of the locking lever (10) is connected to the handle (7) via a spring (15).
  8. The actuation device according to any one of claims 1 to 7, characterised in that the two arms (10b, 10c) supporting the respective inertia masses (17) are constructed as an inertia arm (10b) on one side and a coupling arm (10c) on other side.
  9. The actuation device according to any one of claims 1 to 8, characterised in that the handle (7) includes a restoring device (9).
  10. The actuation device according to claim 9, characterised in that the restoring device (9) is connected to the locking lever (10).
  11. The actuation device according to claim 9 or 10, characterised in that the restoring device (9) is designed as a spring (9) that couples the inertia arm (10b) with a base (B).
EP12805918.5A 2011-10-12 2012-10-05 Actuation device for a motor vehicle door lock Active EP2766544B1 (en)

Applications Claiming Priority (2)

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DE201120106663 DE202011106663U1 (en) 2011-10-12 2011-10-12 Actuating device for a motor vehicle door lock
PCT/DE2012/000978 WO2013053347A1 (en) 2011-10-12 2012-10-05 Actuation device for a motor vehicle door lock

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EP2766544A1 EP2766544A1 (en) 2014-08-20
EP2766544B1 true EP2766544B1 (en) 2017-04-26

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US (1) US9534424B2 (en)
EP (1) EP2766544B1 (en)
DE (1) DE202011106663U1 (en)
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US9534424B2 (en) 2017-01-03
WO2013053347A1 (en) 2013-04-18
EP2766544A1 (en) 2014-08-20
US20140312630A1 (en) 2014-10-23
DE202011106663U1 (en) 2013-01-16

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