EP2766543B1 - 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
EP2766543B1
EP2766543B1 EP12805566.2A EP12805566A EP2766543B1 EP 2766543 B1 EP2766543 B1 EP 2766543B1 EP 12805566 A EP12805566 A EP 12805566A EP 2766543 B1 EP2766543 B1 EP 2766543B1
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EP
European Patent Office
Prior art keywords
handle
actuation device
locking lever
detent lever
arm
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EP12805566.2A
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German (de)
French (fr)
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EP2766543A1 (en
Inventor
Thorsten Bendel
Claus Töpfer
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Kiekert AG
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Kiekert AG
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Publication of EP2766543A1 publication Critical patent/EP2766543A1/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
    • 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
    • Y10T292/57—Operators with knobs or handles

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.
  • 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 it can also be an associated vehicle door 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 control works in turn on a securing part, which engages in a crash in a groove-shaped recess and thereby blocks the handle.
  • 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 within the scope of the invention is characterized in that the handle and the locking lever are permanently elastically coupled with each other.
  • the normal operation thus corresponds to the fact that the locking lever undergoes a deflection when the handle is acted upon. Normal operation means that, for example, do not attack any acceleration forces associated with an accident.
  • each actuation of the handle corresponds to the fact that at the same time the locking lever is deflected.
  • the locking lever is also deflected at the same time.
  • the locking lever in lock-up mode which is typically in Acceleration forces associated with an accident, now ensures that the handle is ineffective in its function. That is, any attacking on the handle also acceleration forces do not cause 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 is advantageously equipped with at least one inertial mass.
  • the locking lever is usually a two-arm lever and in particular even a three-arm lever.
  • the locking lever has at least one with the handle optionally interacting stop arm and the inertial mass having inertial arm.
  • the inertial mass having inertial arm.
  • the inertial mass is connected to the end of the inertial arm. Since the locking lever is mounted in total rotatable about an axis of rotation, for example, in the interior of a motor vehicle door, significant torques can be built up and observed in the event of a crash with the aid of the inertial mass connected to the end of the inertial arm.
  • the handle and the locking lever according to the invention are permanently elastically coupled together.
  • the coupling arm can be connected by means of a spring with the handle.
  • the spring is usually designed so that it has a spring constant which is adapted to the inertial forces built up by the handle.
  • the locking lever is additionally equipped with a return device, which transfers him back to its original position after its rotatable deflection by an operation of the handle.
  • the return device may be a return spring.
  • the reset device can also be controlled mechanically.
  • the interpretation is usually made so that the restoring device acts on the inertial arm.
  • the locking lever is typically associated with a stop.
  • the stop is designed as an inertia stop. As a result, the stop or inertial stop can be limited by acceleration-induced deflections of the blocking lever.
  • the handle ensures that the locking lever is deflected against the restoring force built up by the return spring. Since no significant forces act on the inertial mass in normal operation, this process corresponds to the fact that the locking lever performs a pivoting movement about its axis of rotation caused by the handle. In this process, the handle may take the locking lever on the spring and the coupling arm.
  • the spring constant of this spring is designed so that the handle experiences only a slight deflection, at least the projection on the handle does not run against the stop arm of the locking lever. In principle, however, this can also be allowed to ensure additional fixation of the handle by means of the locking lever. In any case, the handle is blocked in the blocking mode by means of the locking lever. As a result, the trigger lever connected to the handle in the motor vehicle door lock can not be acted upon unintentionally, so that the motor vehicle door lock keeps its position "closed" unchanged.
  • the main benefits are the main benefits.
  • 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 trigger 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 8 in an outer door panel of a motor vehicle door, not shown. Consequently, it is in the handle 7 to an outside door handle, although of course, an internal door handle can be constructed comparable.
  • An operator can act on the handle 7 pulling in the direction of the arrow shown in the figures. After the pulling action, the handle 7 returns to its original position. This is ensured by a return spring, not shown.
  • the original position is shown pulled through, whereas the deflected position of the handle 7 is indicated by dash-dotted lines.
  • the Fig. 2 now shows the deflected position of the handle 7 in normal operation.
  • a locking lever 10 additionally belongs to the basic construction of the actuating device.
  • the locking lever 10 sets the handle 7 when acceleration forces occur a given size, for example in an accident, ineffective.
  • the acceleration forces in question are indicated by an arrow in the figures a marked and correspond in the present case to a side impact, which of course is not to be understood as limiting.
  • the locking lever 10 in such a side impact or generally in the blocking operation that the handle 7 is blocked.
  • This process is based on the Fig. 1 clearly showing the original position drawn through.
  • the deflected position of the handle 7 is shown pulled through in normal operation. For this corresponds the dot-dashed representation in the Fig. 1 ,
  • the locking lever 10 is designed in the embodiment as a three-armed lever.
  • the locking lever 10 has a stop arm 10a, which interacts with the handle 7 or can interact.
  • the stop arm 10a is L-shaped and can interact with a projection 11 on the handle 7 as described.
  • the locking lever 10 also has an inertia arm 10b, which is equipped with an inertial mass 12.
  • the inertial mass 12 can be found at the end of the inertia arm 10b in order to be able to build up a maximum torque in the blocking operation with respect to a rotation axis 13 for the locking lever 10 which is pivotable relative thereto.
  • the locking lever 10 also has a coupling arm 10c, with the aid of the locking lever 10 is connected to the handle 7, and permanently elastic.
  • the coupling arm 10c and the handle 7 by means of a spring 14 are interconnected.
  • the further return spring 9 engages the locking lever 10, more precisely on the inertial arm 10b.
  • any other return device 9 can be realized instead of the return spring 9, which is for a provision of the locking lever 10 in the in Fig. 1 illustrated original position ensures.
  • a stop 15 for the locking lever 10 which defines the rest position of the locking lever 10.
  • the stop 15 is designed stationary and may for example be defined in the interior of the unspecified motor vehicle door.
  • the stop 15 is an inertia stop 15, which by acceleration forces a conditional deflections of the locking lever 10 and pivotal movements of the locking lever 10 is limited about its axis of rotation 13.
  • the operation is as follows. Starting from the pulled in the Fig. 1 illustrated original position of the actuator performs an action on the handle 7 in normal operation to the fact that the handle 7 is deflected relative to its associated guide 8 or issued. This is dot-dashed in the Fig. 1 and pulled through in the Fig. 2 shown. Due to the deflection of the handle 7 of the locking lever 10 is taken. This causes primarily the handle 7 with the locking lever 10 coupling spring 14. In any case, the application of the handle 7 in normal operation causes the locking lever 10 in the transition from the Fig. 1 to Fig. 2 is pivoted about its axis of rotation 13 in the counterclockwise direction. In this process, the inertial mass 12 moves away from its associated inertia stop 15 and the locking lever 10 releases the handle 7 after a certain angle of rotation.
  • the return spring 9 ensures that the locking lever 10 again in his Fig. 1 shown by the original position, likewise the handle 7 by a return spring, not shown.
  • the inertial mass 12 is then again on the inertia stop 15. That is, each act on the handle 7 corresponds to the fact that the locking lever 10 undergoes the described deflection respectively a pivoting movement about its axis of rotation 13.
  • the handle 7 primarily ensures that the transmission lever 6 about its axis 16 also in the counterclockwise direction is pivoted.
  • the Bowden cable 5 connected to the transmission lever 6 is pulled pulling and pivots the release lever 4 in a clockwise direction, so that it can lift the pawl 3 of the catch 2.
  • the catch 2 is released from the pawl 3 and also releases a previously captured locking pin. This is the normal functionality in the "open" operation of the motor vehicle door lock 1.
  • the locking lever 10 ensures that the handle 7 is blocked in this blocking operation. Because the acceleration forces in question a primarily act on the inertial mass 12 and ensure that the locking lever 10 and the inertial mass 12 are pressed against the associated inertia stopper 15. In this way, the locking lever 10 is able to hold the handle 7 also. Because even at the handle 7 attack corresponding acceleration forces.
  • the design is such that the handle 7 undergoes only a slight deflection relative to the locking lever 10, which is limited by the spring 14 with the locking lever 10 coupling spring 14.
  • the stop arm 10a in addition to the projection 11 on the handle 7 can additionally provide for the described blockage of the handle 7 in the locked 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.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.

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 es 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 it can also be an associated vehicle door 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 Beschleunigungskräfte 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 gattungsbildenden Stand der Technik nach der DE 199 49 119 A1 wird so vorgegangen, dass ein kugelförmig ausgebildetes Steuerelement realisiert ist.In the generic state of the art according to the DE 199 49 119 A1 The procedure is that a ball-shaped control is realized.

Das Steuerelement arbeitet seinerseits auf ein Sicherungsteil, welches im Crashfall in eine nutenförmige Ausnehmung eingreift und dadurch die Handhabe blockiert.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.

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 sicherzustellen. Denn dieser 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. Im gattungsbildenden Stand der Technik nach der US 2007 024068 , US 2006 038417 oder US 2011 163554 werden Betätigungseinrichtungen offenbart, wobei im Normalbetrieb der Sperrhebel bei einer Beaufschlagung der Handhabe eine Auslenkung erfährt und lediglich im Sperrbetrieb die Handhabe unwirksam setzt.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. Because this is typically placed in the area of an outside door handle or an actuating device arranged there and thus more or less exposed to weather influences, corrosion, etc. With such an interpretation can not be ensured that even after years, the desired and perfect Functionality is observed and the vehicle occupants experience optimal protection in an accident. Here, the invention aims to provide a total remedy. In the generic state of the art according to the US 2007 024068 . US 2006 038417 or US 2011 163554 Actuators are disclosed, wherein during normal operation of the locking lever undergoes a deflection when acting on the handle and only in the blocking mode, the handle is ineffective.

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 die Handhabe und der Sperrhebel dauerhaft elastisch miteiander gekoppelt sind. Erfindungsgemäß korrespondiert der Normalbetrieb also dazu, dass der Sperrhebel bei einer Beaufschlagung der Handhabe eine Auslenkung erfährt. Normalbetrieb bedeutet dabei, dass keine beispielsweise mit einem Unfall einhergehende Beschleunigungskräfte angreifen. Im Regelfall korrespondiert also jede Betätigung der Handhabe 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.To solve this technical problem, a generic actuator within the scope of the invention is characterized in that the handle and the locking lever are permanently elastically coupled with each other. According to the invention, the normal operation thus corresponds to the fact that the locking lever undergoes a deflection when the handle is acted upon. Normal operation means that, for example, do not attack any acceleration forces associated with an accident. As a rule, therefore, each actuation of the handle corresponds to the fact that at the same time the locking lever is deflected. Each time when, for example, 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 function even at high durability of Motor vehicle and thus the associated door lock as the actuator maintains.

Im Detail sorgt der Sperrhebel im Sperrbetrieb, das heißt typischerweise bei mit einem Unfall verbundenen Beschleunigungskräften, nun dafür, dass die Handhabe in ihrer Funktion unwirksam wird. Das heißt, etwaige an der Handhabe ebenfalls angreifende Beschleunigungskräfte führen 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 lock-up mode, which is typically in Acceleration forces associated with an accident, now ensures that the handle is ineffective in its function. That is, any attacking on the handle also acceleration forces do not cause 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 vorteilhaft mit wenigstens einer Trägheitsmasse ausgerüstet.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 is advantageously equipped with at least one inertial mass.

Tatsächlich handelt es sich bei dem Sperrhebel üblicherweise um einen Zweiarmhebel und insbesondere sogar um einen Dreiarmhebel. Der Sperrhebel weist wenigstens einen mit der Handhabe gegebenenfalls wechselwirkenden Anschlagarm und einen die Trägheitsmasse aufweisenden Trägheitsarm auf. Zusätzlich mag auch noch ein an die Handhabe angeschlossener Koppelarm vorgesehen sein.In fact, the locking lever is usually a two-arm lever and in particular even a three-arm lever. The locking lever has at least one with the handle optionally interacting stop arm and the inertial mass having inertial arm. In addition, may also be provided a connected to the handle coupling arm.

Im Regelfall ist die Trägheitsmasse endseitig an den Trägheitsarm angeschlossen. Da der Sperrhebel insgesamt drehbar um eine Drehachse beispielsweise im Innern einer Kraftfahrzeugtür gelagert ist, lassen sich mit Hilfe der endseitig an den Trägheitsarm angeschlossenen Trägheitsmasse signifikante Drehmomente im Crashfall aufbauen und beobachten.As a rule, the inertial mass is connected to the end of the inertial arm. Since the locking lever is mounted in total rotatable about an axis of rotation, for example, in the interior of a motor vehicle door, significant torques can be built up and observed in the event of a crash with the aid of the inertial mass connected to the end of the inertial arm.

Die Handhabe und der Sperrhebel sind erfindungsgemäß dauerhaft elastisch miteinander gekoppelt. Zu diesem Zweck kann der Koppelarm mittels einer Feder mit der Handhabe verbunden werden. Die Feder ist meistens so ausgelegt, dass sie eine Federkonstante aufweist, welche an seitens der Handhabe aufgebaute Trägheitskräfte angepasst ist.The handle and the locking lever according to the invention are permanently elastically coupled together. For this purpose, the coupling arm can be connected by means of a spring with the handle. The spring is usually designed so that it has a spring constant which is adapted to the inertial forces built up by the handle.

Der Sperrhebel ist zusätzlich mit einer Rückstelleinrichtung ausgerüstet, welche ihn nach seiner drehbaren Auslenkung durch eine Betätigung der Handhabe wieder in die Ursprungsposition zurück überführt. Bei der Rückstelleinrichtung mag es sich um eine Rückstellfeder handeln. Die Rückstelleinrichtung kann jedoch auch mechanisch angesteuert werden. Außerdem ist die Auslegung meistens so getroffen, dass die Rückstelleinrichtung am Trägheitsarm angreift.The locking lever is additionally equipped with a return device, which transfers him back to its original position after its rotatable deflection by an operation of the handle. The return device may be a return spring. However, the reset device can also be controlled mechanically. In addition, the interpretation is usually made so that the restoring device acts on the inertial arm.

Schließlich ist dem Sperrhebel typischerweise noch ein Anschlag zugeordnet. Der Anschlag ist als Trägheitsanschlag ausgebildet. Dadurch kann der Anschlag bzw. Trägheitsanschlag durch Beschleunigungskräfte bedingte Auslenkungen des Sperrhebels begrenzen.Finally, the locking lever is typically associated with a stop. The stop is designed as an inertia stop. As a result, the stop or inertial stop can be limited by acceleration-induced deflections of the blocking lever.

Im Normalbetrieb sorgt die Handhabe dafür, dass der Sperrhebel gegen die seitens der Rückstellfeder aufgebaute Rückstellkraft ausgelenkt wird. Da im Normalbetrieb an der Trägheitsmasse keine signifikanten Kräfte angreifen, korrespondiert dieser Vorgang dazu, dass der Sperrhebel eine durch die Handhabe verursachte Schwenkbewegung um seine Drehachse vollführt. Bei diesem Vorgang mag die Handhabe den Sperrhebel über die Feder und den Koppelarm mitnehmen.In normal operation, the handle ensures that the locking lever is deflected against the restoring force built up by the return spring. Since no significant forces act on the inertial mass in normal operation, this process corresponds to the fact that the locking lever performs a pivoting movement about its axis of rotation caused by the handle. In this process, the handle may take the locking lever on the spring and the coupling arm.

Im Sperrbetrieb sorgen die an der Trägheitsmasse angreifenden Beschleunigungskräfte dafür, dass die Trägheitsmasse und mit ihr der Sperrhebel gegen den Trägheitsanschlag fahren bzw. angepresst werden. Hierdurch wird der Sperrhebel durch die angreifenden Beschleunigungskräfte gleichsam an dem Trägheitsanschlag fixiert respektive festgelegt. Etwaige an der Handhabe angreifende Kräfte führen nun unter Umständen dazu, dass die den Koppelarm mit der Handhabe verbindende Feder ausgelenkt wird.In locked mode, the forces acting on the inertial mass acceleration forces ensure that the inertial mass and drive it with the locking lever against the inertia stop or pressed. As a result, the locking lever is fixed by the attacking acceleration forces as it were on the inertia stop respectively set. Any forces acting on the handle now possibly lead to the spring connecting the coupling arm to the handle being deflected.

Meistens ist die Federkonstante dieser Feder so gestaltet, dass die Handhabe eine nur geringfügige Auslenkung erfährt, jedenfalls der Vorsprung an der Handhabe nicht gegen den Anschlagarm des Sperrhebels anläuft. Grundsätzlich kann dies aber auch zugelassen werden, um eine zusätzliche Fixierung der Handhabe mit Hilfe des Sperrhebels sicherzustellen. Jedenfalls wird die Handhabe im Sperrbetrieb mit Hilfe des Sperrhebels blockiert. Dadurch kann auch der an die Handhabe angeschlossene Auslösehebel im Kraftfahrzeug-Türschloss nicht unbeabsichtigt beaufschlagt werden, so dass das Kraftfahrzeug-Türschloss seine Position "geschlossen" unverändert beibehält. Hierin sind die wesentlichen Vorteile zu sehen.In most cases, the spring constant of this spring is designed so that the handle experiences only a slight deflection, at least the projection on the handle does not run against the stop arm of the locking lever. In principle, however, this can also be allowed to ensure additional fixation of the handle by means of the locking lever. In any case, the handle is blocked in the blocking mode by means of the locking lever. As a result, the trigger lever connected to the handle in the motor vehicle door lock can not be acted upon unintentionally, so that the motor vehicle door lock keeps its position "closed" unchanged. 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 Kraftfahrzeug-Türschloss 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 trigger 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. Folgerichtig handelt es sich bei der Handhabe 7 um einen Außentürgriff, wenngleich natürlich auch ein Innentürgriff vergleichbar aufgebaut sein kann. Ein Bediener kann die Handhabe 7 ziehend in der in den Figuren dargestellten Pfeilrichtung beaufschlagen. Nach der ziehenden Beaufschlagung kehrt die Handhabe 7 in ihre ursprüngliche Position zurück. Hierfür sorgt eine nicht dargestellte Rückstellfeder. Bei diesem in der Fig. 1 dargestellten Normalbetrieb ist die ursprüngliche Position durchgezogen dargestellt, wohingegen die ausgelenkte Stellung der Handhabe 7 strichpunktiert angedeutet ist. Die Fig. 2 zeigt nun die ausgelenkte Stellung der Handhabe 7 im Normalbetrieb.The handle 7 passes through a door 8 in an outer door panel of a motor vehicle door, not shown. Consequently, it is in the handle 7 to an outside door handle, although of course, an internal door handle can be constructed comparable. An operator can act on the handle 7 pulling in the direction of the arrow shown in the figures. After the pulling action, the handle 7 returns to its original position. This is ensured by a return spring, not shown. In this in the Fig. 1 Normal operation shown, the original position is shown pulled through, whereas the deflected position of the handle 7 is indicated by dash-dotted lines. The Fig. 2 now shows the deflected position of the handle 7 in normal operation.

Zum grundsätzlichen Aufbau der Betätigungseinrichtung gehört neben dem Kraftfahrzeug-Türschloss 1 und der Handhabe 7 zusätzlich noch ein Sperrhebel 10. Der Sperrhebel 10 setzt die Handhabe 7 bei auftretenden Beschleunigungskräften a vorgegebener Größe, beispielsweise bei einem Unfall, unwirksam. Tatsächlich sind die fraglichen Beschleunigungskräfte in den Figuren durch einen Pfeil a gekennzeichnet und korrespondieren vorliegend zu einem Seitenaufprall, was selbstverständlich nicht einschränkend zu verstehen ist. Tatsächlich sorgt nämlich der Sperrhebel 10 bei einem solchen Seitenaufprall bzw. allgemein im Sperrbetrieb dafür, dass die Handhabe 7 blockiert wird. Dieser Vorgang wird anhand der Fig. 1 deutlich, welche die ursprüngliche Position durchgezogen dargestellt. In der Fig. 2 ist dagegen die ausgelenkte Stellung der Handhabe 7 im Normalbetrieb durchgezogen gezeigt. Hierzu korrespondiert die strichpunktierte Darstellung in der Fig. 1.In addition to the motor vehicle door lock 1 and the handle 7, a locking lever 10 additionally belongs to the basic construction of the actuating device. The locking lever 10 sets the handle 7 when acceleration forces occur a given size, for example in an accident, ineffective. In fact, the acceleration forces in question are indicated by an arrow in the figures a marked and correspond in the present case to a side impact, which of course is not to be understood as limiting. In fact, namely the locking lever 10 in such a side impact or generally in the blocking operation that the handle 7 is blocked. This process is based on the Fig. 1 clearly showing the original position drawn through. In the Fig. 2 on the other hand, the deflected position of the handle 7 is shown pulled through in normal operation. For this corresponds the dot-dashed representation in the Fig. 1 ,

Der Sperrhebel 10 ist im Ausführungsbeispiel als Dreiarmhebel ausgeführt. Tatsächlich verfügt der Sperrhebel 10 über einen Anschlagarm 10a, welcher mit der Handhabe 7 wechselwirkt bzw. wechselwirken kann. Zu diesem Zweck ist der Anschlagarm 10a L-förmig gestaltet und kann mit einem Vorsprung 11 an der Handhabe 7 wie beschrieben wechselwirken.The locking lever 10 is designed in the embodiment as a three-armed lever. In fact, the locking lever 10 has a stop arm 10a, which interacts with the handle 7 or can interact. For this purpose, the stop arm 10a is L-shaped and can interact with a projection 11 on the handle 7 as described.

Zusätzlich zu dem Anschlagarm 10a weist der Sperrhebel 10 noch einen Trägheitsarm 10b auf, welcher mit einer Trägheitsmasse 12 ausgerüstet ist. Die Trägheitsmasse 12 findet sich endseitig des Trägheitsarmes 10b, um in Bezug auf eine Drehachse 13 für den demgegenüber schwenkbaren Sperrhebel 10 ein maximales Drehmoment im Sperrbetrieb aufbauen zu können.In addition to the stop arm 10a, the locking lever 10 also has an inertia arm 10b, which is equipped with an inertial mass 12. The inertial mass 12 can be found at the end of the inertia arm 10b in order to be able to build up a maximum torque in the blocking operation with respect to a rotation axis 13 for the locking lever 10 which is pivotable relative thereto.

Schlussendlich verfügt der Sperrhebel 10 darüber hinaus noch über einen Koppelarm 10c, mit dessen Hilfe der Sperrhebel 10 an die Handhabe 7 angeschlossen ist, und zwar dauerhaft elastisch. Zu diesem Zweck sind der Koppelarm 10c und die Handhabe 7 mit Hilfe einer Feder 14 miteinander verbunden. Die weitere Rückstellfeder 9 greift am Sperrhebel 10, genauer am Trägheitsarm 10b, an. Anstelle der Rückstellfeder 9 kann grundsätzlich auch jedwede andere Rückstelleinrichtung 9 realisiert werden, welche für eine Rückstellung des Sperrhebels 10 in die in Fig. 1 dargestellte ursprüngliche Position sorgt.Finally, the locking lever 10 also has a coupling arm 10c, with the aid of the locking lever 10 is connected to the handle 7, and permanently elastic. For this purpose, the coupling arm 10c and the handle 7 by means of a spring 14 are interconnected. The further return spring 9 engages the locking lever 10, more precisely on the inertial arm 10b. In principle, any other return device 9 can be realized instead of the return spring 9, which is for a provision of the locking lever 10 in the in Fig. 1 illustrated original position ensures.

Schlussendlich erkennt man noch einen Anschlag 15 für den Sperrhebel 10, der die Ruhelage des Sperrhebels 10 definiert. Der Anschlag 15 ist ortsfest ausgelegt und mag beispielsweise im Innern der nicht näher spezifizierten Kraftfahrzeugtür definiert werden. Bei dem Anschlag 15 handelt es sich um einen Trägheitsanschlag 15, welcher durch Beschleunigungskräfte a bedingte Auslenkungen des Sperrhebels 10 bzw. Schwenkbewegungen des Sperrhebels 10 um seine Drehachse 13 begrenzt.Finally, one recognizes a stop 15 for the locking lever 10, which defines the rest position of the locking lever 10. The stop 15 is designed stationary and may for example be defined in the interior of the unspecified motor vehicle door. The stop 15 is an inertia stop 15, which by acceleration forces a conditional deflections of the locking lever 10 and pivotal movements of the locking lever 10 is limited about its axis of rotation 13.

Die Funktionsweise ist wie folgt. Ausgehend von der durchgezogen in der Fig. 1 dargestellten ursprünglichen Position der Betätigungseinrichtung führt eine Beaufschlagung der Handhabe 7 im Normalbetrieb dazu, dass die Handhabe 7 gegenüber der ihr zugeordneten Führung 8 ausgelenkt bzw. ausgestellt wird. Das ist strichpunktiert in der Fig. 1 und durchgezogen in der Fig. 2 dargestellt. Durch die Auslenkung der Handhabe 7 wird der Sperrhebel 10 mitgenommen. Hierfür sorgt primär die die Handhabe 7 mit dem Sperrhebel 10 koppelnde Feder 14. Jedenfalls führt die Beaufschlagung der Handhabe 7 im Normalbetrieb dazu, dass der Sperrhebel 10 beim Übergang von der Fig. 1 zur Fig. 2 um seine Drehachse 13 im Gegenuhrzeigersinn verschwenkt wird. Bei diesem Vorgang entfernt sich die Trägheitsmasse 12 von ihrem zugehörigen Trägheitsanschlag 15 und der Sperrhebel 10 gibt die Handhabe 7 nach einem bestimmten Drehwinkel frei.The operation is as follows. Starting from the pulled in the Fig. 1 illustrated original position of the actuator performs an action on the handle 7 in normal operation to the fact that the handle 7 is deflected relative to its associated guide 8 or issued. This is dot-dashed in the Fig. 1 and pulled through in the Fig. 2 shown. Due to the deflection of the handle 7 of the locking lever 10 is taken. This causes primarily the handle 7 with the locking lever 10 coupling spring 14. In any case, the application of the handle 7 in normal operation causes the locking lever 10 in the transition from the Fig. 1 to Fig. 2 is pivoted about its axis of rotation 13 in the counterclockwise direction. In this process, the inertial mass 12 moves away from its associated inertia stop 15 and the locking lever 10 releases the handle 7 after a certain angle of rotation.

Sobald die Handhabe 7 nicht mehr beaufschlagt wird, sorgt die Rückstellfeder 9 dafür, dass der Sperrhebel 10 erneut seine in der Fig. 1 durchgezogen dargestellte ursprüngliche Position einnimmt, desgleichen die Handhabe 7 durch eine nicht dargestellte Rückstellfeder. Die Trägheitsmasse 12 liegt dann erneut am Trägheitsanschlag 15 an. Das heißt, jede Beaufschlagung der Handhabe 7 korrespondiert dazu, dass der Sperrhebel 10 die beschriebene Auslenkung respektive eine Schwenkbewegung um seine Drehachse 13 erfährt.Once the handle 7 is no longer applied, the return spring 9 ensures that the locking lever 10 again in his Fig. 1 shown by the original position, likewise the handle 7 by a return spring, not shown. The inertial mass 12 is then again on the inertia stop 15. That is, each act on the handle 7 corresponds to the fact that the locking lever 10 undergoes the described deflection respectively a pivoting movement about its axis of rotation 13.

Neben der Auslenkung des Sperrhebels 10 sorgt die Handhabe 7 primär dafür, dass der Übertragungshebel 6 um seine Achse 16 ebenfalls im Gegenuhrzeigersinn verschwenkt wird. Dadurch wird der mit dem Übertragungshebel 6 verbundene Bowdenzug 5 ziehend beaufschlagt und verschwenkt den Auslösehebel 4 im Uhrzeigersinn, so dass dieser die Sperrklinke 3 von der Drehfalle 2 abheben kann. Als Folge hiervon kommt die Drehfalle 2 von der Sperrklinke 3 frei und gibt einen zuvor gefangenen Schließbolzen ebenfalls frei. Das ist die normale Funktionalität beim Vorgang "öffnen" des Kraftfahrzeug-Türschlosses 1.In addition to the deflection of the locking lever 10, the handle 7 primarily ensures that the transmission lever 6 about its axis 16 also in the counterclockwise direction is pivoted. As a result, the Bowden cable 5 connected to the transmission lever 6 is pulled pulling and pivots the release lever 4 in a clockwise direction, so that it can lift the pawl 3 of the catch 2. As a result, the catch 2 is released from the pawl 3 and also releases a previously captured locking pin. This is the normal functionality in the "open" operation of the motor vehicle door lock 1.

Kommt es nun im Crashfall zu den erhöhten auftretenden Beschleunigungskräften a vorgegebener Größe, die bei einem Seitenaufprall typischerweise in der in den Figuren angedeuteten Pfeilrichtung wirken, so sorgt der Sperrhebel 10 dafür, dass die Handhabe 7 in diesem Sperrbetrieb blockiert wird. Denn die fraglichen Beschleunigungskräfte a greifen primär an der Trägheitsmasse 12 an und sorgen dafür, dass der Sperrhebel 10 bzw. die Trägheitsmasse 12 gegen den zugehörigen Trägheitsanschlag 15 angepresst werden. Auf diese Weise ist der Sperrhebel 10 in der Lage, die Handhabe 7 ebenfalls festzuhalten. Denn auch an der Handhabe 7 greifen entsprechende Beschleunigungskräfte an.Does it now come in the event of a crash to the increased acceleration forces occurring a given size, which act in a side impact typically in the direction indicated in the figures arrow, so the locking lever 10 ensures that the handle 7 is blocked in this blocking operation. Because the acceleration forces in question a primarily act on the inertial mass 12 and ensure that the locking lever 10 and the inertial mass 12 are pressed against the associated inertia stopper 15. In this way, the locking lever 10 is able to hold the handle 7 also. Because even at the handle 7 attack corresponding acceleration forces.

Tatsächlich ist die Auslegung so getroffen, dass die Handhabe 7 eine lediglich geringfügige Auslenkung gegenüber dem Sperrhebel 10 erfährt, welche durch die die Handhabe 7 mit dem Sperrhebel 10 koppelnde Feder 14 begrenzt wird. Bei erhöhten Kräften können zusätzlich auch noch der Anschlagarm 10a in Verbindung mit dem Vorsprung 11 an der Handhabe 7 für die beschriebene Blockade der Handhabe 7 im Sperrbetrieb sorgen.In fact, the design is such that the handle 7 undergoes only a slight deflection relative to the locking lever 10, which is limited by the spring 14 with the locking lever 10 coupling spring 14. In the case of increased forces, the stop arm 10a in addition to the projection 11 on the handle 7 can additionally provide for the described blockage of the handle 7 in the locked mode.

Dadurch, dass die Handhabe 7 insgesamt mit Hilfe des Sperrhebels 10 blockiert wird, erfährt im Sperrbetrieb der Übertragungshebel 6 auch keine - ungewollte - Auslenkung. Das Kraftfahrzeug-Türschloss 1 wird folglich nicht von der Handhabe 7 beaufschlagt und verharrt in der in Fig. 1 gezeigten Stellung "geschlossen". Das Gleiche gilt für die zugehörige und nicht näher spezifizierte Kraftfahrzeugtür, so dass im Innern der Kraftfahrzeugkarosserie befindliche Insassen einen maximalen Unfallschutz erfahren.The fact that the handle 7 is blocked in total by means of the locking lever 10, learns in the blocking mode of the transmission lever 6 also no - unwanted - deflection. The motor vehicle door lock 1 is therefore not acted upon by the handle 7 and remains in the in Fig. 1 shown position "closed". The same applies to the associated and unspecified motor vehicle door, so that inmates located inside the vehicle body undergo maximum accident protection.

Claims (15)

  1. Actuation device for a vehicle door lock (1) having a handle (7) and a detent lever (10), which annuls the handle (7) when acceleration forces occur in a predetermined strength, for example during a crash, wherein during normal operation, the detent lever (10) is subject to a deflection move upon an actuation of the handle (7) and only during detent operation annuls the handle (7), characterized in that the handle (7) and the detent lever (10) are permanently elastically coupled to one another.
  2. Actuation device of claim 1, characterized in that the detent lever (10) blocks the handle (7) during detent operation.
  3. Actuation device of claim 1 or 2, characterized in that the detent lever (10) is arranged swivelable about the rotation axis (13).
  4. Actuation device of one of the claims 1 to 3, characterized in that the detent lever (10) is equipped with at least one inertia mass (12).
  5. Actuation device of one of the claims 1 to 4, characterized in that the detent lever (10) is equipped with at least one stop arm (10a), which eventually interacts with the handle (7), and an inertial arm (10b), which comprises the inertial mass (12).
  6. Actuation device of claim 5, characterized in that the inertia mass (12) is attached at the end of the inertia arm (10b).
  7. Actuation device of one of the claims 5 to 6, characterized in that the inertia arm (10b) eventually interacts with a protrusion (11) at the handle (7).
  8. Actuation device of one of the claims 1 to 7, characterized in that the detent lever (10) comprises in addition a coupling arm (10c), which is attached to the handle (7).
  9. Actuation device of claim 1, characterized in that the coupling arm (10c) is connected to the handle (7) by means of a spring (14).
  10. Actuation device of claim 9, characterized in that the spring (14) has a spring constant, which is adapted to the inertia forces arising at the side of the handle (7).
  11. Actuation device of one of the claims 1 to 10, characterized in that the detent lever (10) is equipped with a retention apparatus (9).
  12. Actuation device of claim 11, characterized in that the retention apparatus (9) is embodied as a retention spring (9).
  13. 11. Actuation device of one of the claims 11 to 12, characterized in that the retention apparatus (9) engages at the inertia arm (10b).
  14. Actuation device of one of the claims 1 to 13, characterized in that a stop (15) for the detent lever (10) is provided.
  15. Actuation device of claim 14, characterized in that the stop (15) is embodied as inertia stop (15) and limits deflection moves of the detent lever (10) related to acceleration forces.
EP12805566.2A 2011-10-12 2012-10-05 Actuation device for a motor vehicle door lock Active EP2766543B1 (en)

Applications Claiming Priority (2)

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DE201120106661 DE202011106661U1 (en) 2011-10-12 2011-10-12 Actuating device for a motor vehicle door lock
PCT/DE2012/000977 WO2013053346A1 (en) 2011-10-12 2012-10-05 Actuation device for a motor vehicle door lock

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EP2766543A1 EP2766543A1 (en) 2014-08-20
EP2766543B1 true EP2766543B1 (en) 2018-01-17

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EP (1) EP2766543B1 (en)
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Also Published As

Publication number Publication date
US20140292005A1 (en) 2014-10-02
WO2013053346A1 (en) 2013-04-18
DE202011106661U1 (en) 2013-01-16
EP2766543A1 (en) 2014-08-20
US9637953B2 (en) 2017-05-02

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