EP2596189B1 - Motor vehicle door latch - Google Patents
Motor vehicle door latch Download PDFInfo
- Publication number
- EP2596189B1 EP2596189B1 EP11788344.7A EP11788344A EP2596189B1 EP 2596189 B1 EP2596189 B1 EP 2596189B1 EP 11788344 A EP11788344 A EP 11788344A EP 2596189 B1 EP2596189 B1 EP 2596189B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lever
- vehicle door
- motor vehicle
- locking
- locking lever
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000007246 mechanism Effects 0.000 claims description 63
- 230000000903 blocking effect Effects 0.000 claims description 48
- 230000001133 acceleration Effects 0.000 claims description 19
- 239000002981 blocking agent Substances 0.000 description 13
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
- E05B83/36—Locks for passenger or like doors
-
- 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
Definitions
- the invention relates to a motor vehicle door lock, with a locking mechanism, also with a working on the locking mechanism operating lever, and with a locking lever, which sets the operating lever mechanism at occurring acceleration forces of predetermined size, for example in an accident, by its associated deflection mechanically ineffective, wherein the locking lever associated with a blocking means which fixes the locking lever in its deflected position.
- the actuating lever mechanism may be one or more levers. Usually, at least one inner operating lever and one outer operating lever belong to this operating lever mechanism.
- the operating lever mechanism usually also includes a clutch lever and a release lever. Further, one or more connecting levers may constitute components of the operating lever mechanism.
- an actuation of the operating lever mechanism ensures that the locking mechanism is opened and a lock bolt formerly captured by the locking mechanism is released. As a result, an associated motor vehicle door can be opened. As a rule, this activates the release lever on a pawl, which interacts with a catch as both components of the locking mechanism. The pawl is lifted from the catch and the catch and the locking pin come free.
- acceleration forces which may be a multiple of the acceleration due to gravity (for example, 5 g or more).
- mass forces acting on the motor vehicle door closure in question lead to the failure of the locking mechanism or the whole Door lock can lead.
- this has the consequence that an associated motor vehicle door experiences an unintentional opening.
- the acceleration forces described and resulting from an accident result in considerable risks for vehicle users. For this reason, in the past, various measures have been taken which, when the acceleration forces described occur, ensure that the actuating lever mechanism is converted into a mechanically inoperative state. That is, caused by the forces occurring opening movements are usually blocked.
- the state of the art after the DE 197 19 999 A1 describes a closure for opening devices in vehicles, which is equipped with a lock.
- the lock blocks an opening lever when acting on the described acceleration forces in the course of an accident.
- the lock and the opening lever are arranged transversely relative to the pivoting direction of the opening lever relative to each other. When caused by the acceleration forces relative displacement of the opening lever enters the lock. This should be an unintentional opening in the event of a crash in structurally simplified design available.
- the locking lever is equipped with a stop recess.
- the stop recess engages in Blockadeefall in an opening in a counter-locking surface a form-fitting.
- a latching intervention can be realized.
- a desired blockage should be given under all conceivable circumstances and, in particular, maintained during the entire time within which vehicle lateral accelerations occur.
- the DE 10 2008 028 391 A1 is equipped with a mass-locking pivoting locking member, which is normally in its inoperative release position. Then an associated handle can be actuated.
- the locking member passes in the event of a crash due to the inertia of its mass in an effective blocking position. As a result, the handle is blocked.
- means are provided which ensure that in the event of a crash, the locking member remains at least as long in its locked position until acting on the outside door handle and caused by the crash vibrations have subsided so far that they can no longer be actuated by the handle.
- the transmission lever is pivoted by means of the gripping lever about a first axis of rotation between a rest position and an active position.
- a mass barrier can be moved around a second axis of rotation.
- the invention is based on the technical problem of developing such a motor vehicle door lock so that a simple and funk tion-appropriate structure is realized and malfunctions are not to be feared even after years or decades of use.
- a generic motor vehicle door lock is characterized in that the locking lever executes a relative movement relative to the actuating lever in normal operation upon actuation of the actuating lever mechanism.
- the blocking means ensures that the locking lever is fixed in its deflected position. In this deflected position of the locking lever (only) goes over when the motor vehicle door lock is exposed to acceleration forces of predetermined size, such as those observed in an accident. Typically, these are acceleration forces that exceed five times or more of the acceleration due to gravity (more than 5 g).
- the locking lever is deflected and ensures that the operating lever mechanism is mechanically ineffective or is set ineffective. This can basically happen in two ways. Thus, it is conceivable to mechanically interrupt the actuating lever mechanism by means of the deflected locking lever, so that there is no continuous mechanical connection from an internal operating lever or external operating lever to the locking mechanism.
- the typical procedure is that the deflected locking lever is associated with at least one stop, in particular a stationary blocking stop.
- the operating lever mechanism is mechanically blocked, namely by the stationary blocking stop.
- the blocking stop is arranged in or on a housing for receiving the entire motor vehicle door closure.
- the questioned deflected position of the locking lever is maintained throughout, because the locking lever is fixed by the blocking means in its deflected position. This happens until the described fixation of the locking lever is released in the deflected position.
- the deflected locking lever not only ensures a blockade of the locking lever relative to the blocking stop, but also ensures that the connected to the locking lever actuating lever plant also experiences a blockage.
- the blocking means is mounted on a first actuating lever of the actuating lever mechanism. It has proven useful if the blocking agent is constructed in two parts. Usually the blocking agent has a bearing arm and a holding arm. The bearing arm of the blocking means ensures a connection to the first operating lever. For this purpose, the bearing arm may engage in a bearing recess in or on the first operating lever.
- the holding arm of the blocking agent interacts with a stop or holding stop on the locking lever.
- the holding arm in question engages behind the stop or retaining stop and in this way holds the locking lever in its deflected position and fixes the locking lever. This happens until the blocking agent is released and releases the locking lever.
- the spring force is provided by a spring available against the force of the locking lever is deflected or occupies its deflected position.
- the blocking means is mounted with its bearing arm on the first operating lever or connected thereto.
- the bearing recess is available in or on the relevant first operating lever.
- the first operating lever is advantageously equipped with one or more guiding means for the blocking agent.
- two guide means are provided. This can be on the one hand to a guide bar and on the other hand, a management bag.
- the blocking spring is designed as a leg spring.
- a bearing leg is realized, which acts as a bearing arm and is thus connected to the already mentioned bearing recess in the first operating lever.
- the leg spring also has a holding arm formed as a holding arm. The retaining leg ensures that the locking lever is fixed in its deflected position. For this purpose, the retaining leg engages behind the stop or retaining stop on the locking lever.
- the guide web ensures that the holding leg which adjoins it experiences perfect alignment.
- the guide pocket cooperates, which receives and guides a generally cranked end of the retaining leg.
- This bent end of the retaining leg generally engages behind the stop or stop stop on the locking lever, and that when the locking lever is in its deflected position.
- the deflected locking lever is assigned at least the stationary blocking stop.
- This blocking stop is formed in or on the housing.
- another stop for the locking lever is provided, against which the locking lever in normal operation, so not in the deflected state rests.
- the spring assigned to the locking lever and already explained whose force must be overcome in the deflection of the locking lever.
- the stop in question is usually formed on the first operating lever.
- Such a design is recommended because the locking lever and the first operating lever are generally mounted together on a second operating lever. The design is regularly made so that the locking lever between the first operating lever and the second operating lever is arranged.
- a common axis of rotation for the two actuating lever and the interposed locking lever is usually realized.
- the locking lever according to the invention in normal operation (when it is not deflected) upon application of the operating lever mechanism a relative movement perform overall with respect to the first and / or the second operating lever or with respect to the actuating lever mechanism.
- This relative movement between the first and / or the second operating lever ensures that the locking lever remains “movable” and in particular corrosion, caking of the locking lever, etc. need not be feared. The operation of the locking lever thus remains guaranteed, even after years.
- the invention is based on the recognition that the locking lever in question is usually only - if ever - deflected a single time within a car life. To represent and achieve this described functionality, it is necessary that the rotational mobility of the locking lever is maintained. This ensures the invention in that the locking lever in question in normal operation, that is, in a conventional actuation of the operating lever mechanism by the internal operating lever or external actuating lever undergoes a relative movement between the first and / or second actuating lever on which the locking lever is mounted.
- blocking spring slides in normal operation and preferably spring assisted on the locking lever along.
- the blocking agent or the blocking spring or leg spring usually slides along with its holding leg on the locking lever in normal operation.
- the locking lever leaves its normal position safely and can also leave it.
- the blocking means engages with its holding arm or the leg spring with its holding leg the associated stop respectively retaining stop on the locking lever.
- the locking lever can not (again) return to the normal position even after elimination of the acceleration forces.
- the second operating lever is generally an outer operating lever
- the first operating lever is designed as a connecting lever and directly ensures the mechanical coupling of the outer operating lever with a release lever or the locking mechanism.
- the locking lever is assigned to the external operating lever and blocks the external operating lever, it is ensured that the associated motor vehicle door lock can not be opened in an external operation. A release is not possible.
- the inside operating lever independent of the outside operating lever can actuate the (common) connecting lever, which in turn opens the ratchet (via an optimum tripping lever).
- the invention ensures that the motor vehicle door equipped with the motor vehicle door lock according to the invention is not inadvertently opened in the event of a crash or accident.
- the vehicle door remains closed and can not be opened via the external operating lever. It is only possible to open the vehicle door from the inside. This can be done by persons located in the interior or by the fact that, for example, rushed to help staff a disc and then opens the vehicle door from the inside.
- a motor vehicle door lock is shown.
- This has in its basic structure a housing 1 and a not explicitly shown locking mechanism.
- the locking mechanism is composed in the usual manner of a pawl and a rotary latch and can be opened in a known manner with the aid of the detail of the operating lever mechanism 2, 3 shown in the figures.
- the operating lever mechanism 2, 3 works either directly or with the interposition of a release lever on the pawl and lifts it from the catch. As a result From this, the catch rotates spring-assisted in its open position and releases a previously captured locking pin.
- the actuating lever mechanism 2, 3 is an external operating lever mechanism 2, 3. This is equipped with an external operating lever 3 and a connecting lever 2.
- the connection lever 2 is a first actuating lever 2 of the actuating lever mechanism 2, 3 which is described in more detail below, whereas the external actuating lever 3 assumes the function of a second actuating lever 3 of the actuating lever unit 2, 3 in question.
- the DE 94 21 846 U1 the applicant referred.
- the actuating lever mechanism or external operating lever mechanism 2, 3 in question is equipped with a locking lever 4.
- the locking lever 4 ensures that the operating lever mechanism 2, 3 in occurring and in the Fig. 3 indicated acceleration forces F predetermined size (in this case associated with an accident deceleration forces) is set mechanically ineffective.
- F predetermined size in this case associated with an accident deceleration forces
- the locking lever 4 is deflected due to attacking and acting in the opposite direction to the acceleration force F inertial forces. The deflection of the locking lever 4 thus ensures that the operating lever mechanism 2, 3 is mechanically ineffective and consequently can not (more) open the connected locking mechanism.
- the mechanical ineffectiveness of the actuating lever mechanism 2, 3 corresponds to the fact that the actuating lever mechanism 2, 3 experiences a blockage. Basically, the mechanical ineffectiveness the actuating lever unit 2, 3 are also achieved and made such that the operating lever mechanism 2, 3 undergoes a mechanical interruption by the deflected locking lever 4. This is not shown. In any case, the occurring for example in an accident (negative) acceleration forces F ensure that the locking lever 4 is deflected in the opposite direction due to its inertia. That represents the Fig. 3 In fact, the correspond Fig. 1 and 3 each to the situation that the second operating lever or external operating lever 3 is not acted upon.
- the locking lever 4 is associated with a blocking means 5, which the locking lever 4 in the in Fig. 3 fixed deflected position shown.
- the blocking means in question 5 is mounted on the first operating lever or connecting lever 2, as shown in the enlarged perspective view in the Fig. 4 suggests.
- the blocking means 5 is equipped with a bearing arm 5a and a holding arm 5b. Since the blocking means 5 in the exemplary embodiment is a blocking spring or leg spring 5, the bearing arm 5a is designed as a bearing leg 5a, whereas the retaining arm is designed as a retaining leg 5b. With the help of the holding arm or holding leg 5b, the blocking means or the blocking spring or leg spring 5 engages behind a stop or holding stop 6 on the locking lever 4, in its deflected and in Fig. 3 shown position.
- the first actuating lever 2 has a bearing recess 7.
- This bearing recess 7 serves to fix the bearing arm or bearing leg 5a of the blocking means respectively of the leg spring 5.
- the blocking means or the leg spring 5 has a bearing eye 8 received in the bearing recess 8.
- This bearing eye 8 is replaced by a corresponding bearing eye Spiralwindung the leg spring 5 is provided and is adapted by its size to the bearing recess 7.
- the leg spring 5 is primarily fixed to the first operating lever 2 by the bearing eye 8 in the bearing recess 7 (latching) engages.
- the first actuating lever 2 is equipped with guide means 9, 10 for the blocking means or the leg spring 5.
- the guide means 9, 10 are on the one hand a guide bar 9 and on the other hand a guide pocket 10. Both the guide bar 9 and the guide pocket 10 provide guidance of the holding arm or holding leg 5b of the leg spring 5 whose retaining leg 5b is guided and held in a slot between the guide web 9 and a support of the guide pocket 10. Starting from the guide pocket 10, a vertically bent end of the holding leg 5b protrudes, which engages behind the holding stop 6 of the blocking lever 4 in its deflected position.
- the housing 1 is equipped with a stationary stop respectively housing stop 11a. This housing stop 11a then unfolds when the locking lever 4 shown in the Fig. 3 in the deflected state. Because in such a case, an actuation of the actuating lever mechanism 2, 3 causes the locking lever 4 moves with a head-side nose 4a against the housing stop in question 11a and consequently blocks the locking lever 4 and with him the operating lever mechanism 2, 3.
- the locking lever 4 is mounted on the second actuating lever 3, respectively the external actuating lever 3.
- the first operating lever or connecting lever 2 is also on stored in question the external operating lever 3.
- a common axis of rotation 12 is available.
- the lock lever 4 is disposed between the first operation lever 2 and the second operation lever 3.
- the locking lever 4 follows pivotal movements of the external actuating lever 3 about an axis 13, which is arranged in the housing 1 and against which the external actuating lever 3 can be pivoted.
- Such pivotal movements in normal operation about the axis 13 cause the transition from the Fig. 1 to Fig. 2 the first operating lever or connecting lever 2 is moved more or less in the vertical direction.
- This vertical movement of the first actuating lever or connecting lever 2 corresponds to the fact that the pawl, not shown, is lifted from the rotary latch and consequently a lock bolt previously captured by the catch comes free as described.
- the locking lever 4 is a relative movement, both with respect to the first operating lever 2 and with respect to the second operating lever 3. This can be seen in the transition from the Fig. 1 to Fig. 2 , In fact, the locking lever 4 moves in this process not only vertically, but also performs a slight movement in a clockwise direction, namely the two levers 2, 3 common axis 12.
- the blocking of the blocking lever 4 with the aid of the blocking means 5 can only be canceled if the blocking means 5 or its holding arm 5b is removed from the holding stop 6 on the blocking lever 4. Because then the locking lever 4 is supported by a spring, not shown, in its normal position as shown in the Fig. 1 and 2 back. In this case, the force of the spring, which is not expressly illustrated, is dimensioned so that only when the (negative) acceleration forces F associated with an accident are deflected at all, the locking lever 4 is deflected. Otherwise, the locking lever 4 by means of the spring in the normal position after the Fig. 1 and 2 held. This is supplemented by a further stop 11 b, which is associated with the locking lever 4. Said stop 11 b is found on the first operating lever 2 (see. Fig. 4 ) and, in conjunction with the acting on the locking lever 4 spring for its positioning in normal operation.
- the locking lever 4 only works on the external actuating lever mechanism 2, 3.
- An additional internal operating lever mechanism will not be affected. That is, one equipped with the motor vehicle door lock in question Motor vehicle door is not opened in an accident by attacking forces and then can not be opened by an outside door handle. This is ensured by the still existing blockade of the locking lever 4 and consequently the external actuating lever mechanism 2, 3. The associated motor vehicle door thus remains closed.
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- Lock And Its Accessories (AREA)
Description
Die Erfindung betrifft einen Kraftfahrzeugtürverschluss, mit einem Gesperre, ferner mit einem auf das Gesperre arbeitenden Betätigungshebelwerk, und mit einem Sperrhebel, welcher das Betätigungshebelwerk bei auftretenden Beschleunigungskräften vorgegebener Größe, beispielsweise bei einem Unfall, durch seine damit verbundene Auslenkung mechanisch unwirksam setzt, wobei dem Sperrhebel ein Blockiermittel zugeordnet ist, welches den Sperrhebel in seiner ausgelenkten Stellung fixiert.The invention relates to a motor vehicle door lock, with a locking mechanism, also with a working on the locking mechanism operating lever, and with a locking lever, which sets the operating lever mechanism at occurring acceleration forces of predetermined size, for example in an accident, by its associated deflection mechanically ineffective, wherein the locking lever associated with a blocking means which fixes the locking lever in its deflected position.
Bei dem Betätigungshebelwerk kann es sich um einen oder mehrere Hebel handeln. Üblicherweise gehören wenigstens ein Innenbetätigungshebel und ein Außenbetätigungshebel zu diesem Betätigungshebelwerk. Darüber hinaus umfasst das Betätigungshebelwerk meistens auch noch einen Kupplungshebel sowie einen Auslösehebel. Ferner mögen ein oder mehrere Verbindungshebel Bestandteile des Betätigungshebelwerkes darstellen.The actuating lever mechanism may be one or more levers. Usually, at least one inner operating lever and one outer operating lever belong to this operating lever mechanism. In addition, the operating lever mechanism usually also includes a clutch lever and a release lever. Further, one or more connecting levers may constitute components of the operating lever mechanism.
Jedenfalls sorgt eine Beaufschlagung des Betätigungshebelwerkes dafür, dass das Gesperre geöffnet wird und ein ehemals von dem Gesperre gefangener Schließbolzen eine Freigabe erfährt. Dadurch lässt sich eine zugehörige Kraftfahrzeugtür öffnen. Im Regelfall greift hierzu der Auslösehebel an einer Sperrklinke an, die mit einer Drehfalle als beide Bestandteile des Gesperres wechselwirkt. Die Sperrklinke wird von der Drehfalle abgehoben und die Drehfalle sowie der Schließbolzen kommen frei.In any case, an actuation of the operating lever mechanism ensures that the locking mechanism is opened and a lock bolt formerly captured by the locking mechanism is released. As a result, an associated motor vehicle door can be opened. As a rule, this activates the release lever on a pawl, which interacts with a catch as both components of the locking mechanism. The pawl is lifted from the catch and the catch and the locking pin come free.
Bei einem Unfall treten üblicherweise hohe Beschleunigungskräfte auf, welche ein Mehrfaches der Erdbeschleunigung (beispielsweise 5g oder mehr) betragen können. In einem solchen Fall wirken auf den fraglichen Kraftfahrzeugtürverschluss Massenkräfte, welche zum Versagen des Gesperres oder des ganzen Türschlosses führen können. Das hat im schlimmsten Fall zur Folge, dass eine zugehörige Kraftfahrzeugtür eine unbeabsichtigte Öffnung erfährt. Jedenfalls resultieren aus den beschriebenen und bei einem Unfall auftretenden Beschleunigungskräften erhebliche Risiken für Fahrzeugbenutzer. Aus diesem Grund hat man in der Vergangenheit unterschiedliche Maßnahmen ergriffen, welche beim Auftreten der beschriebenen Beschleunigungskräfte dafür sorgen, dass das Betätigungshebelwerk in einen mechanisch unwirksamen Zustand überführt wird. Das heißt, durch die auftretenden Kräfte verursachte Öffnungsbewegungen werden im Regelfall blockiert.In an accident usually occur high acceleration forces, which may be a multiple of the acceleration due to gravity (for example, 5 g or more). In such a case, mass forces acting on the motor vehicle door closure in question lead to the failure of the locking mechanism or the whole Door lock can lead. In the worst case, this has the consequence that an associated motor vehicle door experiences an unintentional opening. In any case, the acceleration forces described and resulting from an accident result in considerable risks for vehicle users. For this reason, in the past, various measures have been taken which, when the acceleration forces described occur, ensure that the actuating lever mechanism is converted into a mechanically inoperative state. That is, caused by the forces occurring opening movements are usually blocked.
Der Stand der Technik nach der
Die bekannten Maßnahmen haben sich bewährt, erfordern allerdings eine spezielle Anpassung und Auslegung von einerseits Sperre bzw. Sperrhebel und andererseits Öffnungshebel zueinander. Das ist insofern nachteilig, als der Öffnungshebel beispielsweise nicht für andere Türschlösser eingesetzt werden kann und eine unter dem Strich relativ komplizierte Lösung verfolgt wird. Außerdem können Funktionsstörungen für den Fall auftreten, dass der Ernstfall und eine damit verbundene Relativbewegung zwischen der Sperre und dem Öffnungshebel durch beispielsweise Korrosion verhindert oder zumindest erschwert wird.The known measures have been proven, however, require a special adaptation and design of one hand lock or locking lever and on the other hand opening lever each other. This is disadvantageous in that the opening lever, for example, can not be used for other door locks and a relatively complicated solution is pursued under the line. In addition, malfunctions may occur in the event that the emergency and an associated relative movement between the lock and the opening lever is prevented or at least made more difficult by, for example, corrosion.
Im Rahmen des gattungsbildenden Standes der Technik nach der
Die
Schließlich befasst sich die
Der Erfindung liegt das technische Problem zugrunde, einen derartigen Kraftfahrzeugtürverschluss so weiter zu entwickeln, dass ein einfacher und funk tionsgerechter Aufbau realisiert ist und Funktionsstörungen auch nach jahre- bzw. jahrzehntelangem Gebrauch nicht zu befürchten sind.The invention is based on the technical problem of developing such a motor vehicle door lock so that a simple and funk tion-appropriate structure is realized and malfunctions are not to be feared even after years or decades of use.
Zur Lösung dieser technischen Problemstellung ist ein gattungsgemäßer Kraftfahrzeugtürverschluss dadurch gekennzeichnet, dass der Sperrhebel im Normalbetrieb bei einer Beaufschlagung des Betätigungshebelwerkes eine Relativbewegung gegenüber dem Betätigungshebel vollführt.To solve this technical problem, a generic motor vehicle door lock is characterized in that the locking lever executes a relative movement relative to the actuating lever in normal operation upon actuation of the actuating lever mechanism.
Im Rahmen der Erfindung sind also zunächst einmal keine grundlegenden Änderungen an dem Betätigungshebelwerk als solchen erforderlich, weil für die gewünschte Blockierfunktion primär der Sperrhebel und das dem Sperrhebel zugeordnete Blockiermittel verantwortlich zeichnen. Dabei sorgt das Blockiermittel dafür, dass der Sperrhebel in seiner ausgelenkten Stellung fixiert wird. In diese ausgelenkte Stellung geht der Sperrhebel (nur) dann über, wenn der Kraftfahrzeugtürverschluss Beschleunigungskräften vorgegebener Größe ausgesetzt ist, beispielweise solchen, die bei einem Unfall beobachtet werden. Typischerweise sind dies Beschleunigungskräfte, die das Fünffache oder noch mehr der Erdbeschleunigung überschreiten (mehr als 5g).In the context of the invention, therefore, first of all, no fundamental changes to the operating lever mechanism as such are required, because for the desired blocking function primarily the locking lever and the locking lever associated blocking agent responsible. The blocking means ensures that the locking lever is fixed in its deflected position. In this deflected position of the locking lever (only) goes over when the motor vehicle door lock is exposed to acceleration forces of predetermined size, such as those observed in an accident. Typically, these are acceleration forces that exceed five times or more of the acceleration due to gravity (more than 5 g).
In einem solchen Fall wird der Sperrhebel ausgelenkt und sorgt dafür, dass das Betätigungshebelwerk mechanisch unwirksam ist bzw. unwirksam gesetzt wird. Das kann grundsätzlich auf zweierlei Art und Weise geschehen. So ist es denkbar, das Betätigungshebelwerk mit Hilfe des ausgelenkten Sperrhebels mechanisch zu unterbrechen, so dass keine durchgängige mechanische Verbindung von einem Innenbetätigungshebel oder Außenbetätigungshebel bis hin zum Gesperre vorliegt.In such a case, the locking lever is deflected and ensures that the operating lever mechanism is mechanically ineffective or is set ineffective. This can basically happen in two ways. Thus, it is conceivable to mechanically interrupt the actuating lever mechanism by means of the deflected locking lever, so that there is no continuous mechanical connection from an internal operating lever or external operating lever to the locking mechanism.
(Hieran schließen sich die ursprünglichen Beschreibungsseiten 4 bis 16 in unveränderter Reihenfolge an).(This is followed by the
Im Rahmen der Erfindung wird jedoch typischerweise so vorgegangen, dass dem ausgelenkten Sperrhebel wenigstens ein Anschlag, insbesondere ein ortsfester Blockieranschlag zugeordnet ist. Sobald also der Sperrhebel seine ausgelenkte Stellung infolge der auftretenden Kräfte vorgegebener Größe einnimmt, wird das Betätigungshebelwerk mechanisch blockiert, nämlich durch den ortsfesten Blockieranschlag. Tatsächlich wird jede mechanische Bewegung des Betätigungshebelwerkes in einem solchen Fall unterbunden, weil der Sperrhebel gegen den Blockieranschlag fährt und dadurch das Betätigungshebelwerk nicht (mehr) bewegt werden kann. Im Regelfall ist der Blockieranschlag in oder an einem Gehäuse zur Aufnahme des gesamten Kraftfahrzeugtürverschlusses angeordnet.In the context of the invention, however, the typical procedure is that the deflected locking lever is associated with at least one stop, in particular a stationary blocking stop. As soon as the locking lever assumes its deflected position as a result of the forces occurring of predetermined size, the operating lever mechanism is mechanically blocked, namely by the stationary blocking stop. In fact, any mechanical movement of the operating lever mechanism is inhibited in such a case, because the locking lever moves against the blocking stop and thereby the operating lever mechanism can not be moved (more). As a rule, the blocking stop is arranged in or on a housing for receiving the entire motor vehicle door closure.
Dabei wird die fragliche ausgelenkte Stellung des Sperrhebels durchgängig beibehalten, weil der Sperrhebel durch das Blockiermittel in seiner ausgelenkten Stellung fixiert wird. Das geschieht so lange, bis die beschriebene Fixierung des Sperrhebels in der ausgelenkten Stellung aufgehoben wird. Jedenfalls sorgt der ausgelenkte Sperrhebel nicht nur für eine Blockade des Sperrhebels gegenüber dem Blockieranschlag, sondern auch dafür, dass das an den Sperrhebel angeschlossene Betätigungshebelwerk ebenfalls eine Blockade erfährt.In this case, the questioned deflected position of the locking lever is maintained throughout, because the locking lever is fixed by the blocking means in its deflected position. This happens until the described fixation of the locking lever is released in the deflected position. In any case, the deflected locking lever not only ensures a blockade of the locking lever relative to the blocking stop, but also ensures that the connected to the locking lever actuating lever plant also experiences a blockage.
Im Regelfall ist das Blockiermittel an einem ersten Betätigungshebel des Betätigungshebelwerkes gelagert. Dabei hat es sich bewährt, wenn das Blockiermittel zweiteilig aufgebaut ist. Meistens verfügt das Blockiermittel über einen Lagerarm und einen Haltearm. Dabei sorgt der Lagerarm des Blockiermittels für einen Anschluss an den ersten Betätigungshebel. Zu diesem Zweck mag der Lagerarm in eine Lagerausnehmung in oder an dem ersten Betätigungshebel eingreifen.As a rule, the blocking means is mounted on a first actuating lever of the actuating lever mechanism. It has proven useful if the blocking agent is constructed in two parts. Mostly the blocking agent has a bearing arm and a holding arm. The bearing arm of the blocking means ensures a connection to the first operating lever. For this purpose, the bearing arm may engage in a bearing recess in or on the first operating lever.
Demgegenüber wechselwirkt der Haltearm des Blockiermittels mit einem Anschlag bzw. Halteanschlag am Sperrhebel. Sobald der Sperrhebel seine ausgelenkte Stellung erreicht hat, hintergreift der fragliche Haltearm den Anschlag bzw. Halteanschlag und hält auf diese Weise den Sperrhebel in seiner ausgelenkten Stellung fest und fixiert den Sperrhebel. Das geschieht so lange, bis das Blockiermittel gelöst wird und den Sperrhebel freigibt. Dieser kehrt normalerweise durch Federkraft in seine unausgelenkte Position (Normalposition oder Normalstellung) zurück. - Die Federkraft wird von einer Feder zur Verfügung gestellt, gegen deren Kraft der Sperrhebel ausgelenkt wird bzw. seine ausgelenkte Stellung einnimmt.In contrast, the holding arm of the blocking agent interacts with a stop or holding stop on the locking lever. As soon as the locking lever has reached its deflected position, the holding arm in question engages behind the stop or retaining stop and in this way holds the locking lever in its deflected position and fixes the locking lever. This happens until the blocking agent is released and releases the locking lever. This normally returns to its undeflected position (normal position or normal position) by spring force. - The spring force is provided by a spring available against the force of the locking lever is deflected or occupies its deflected position.
Wie bereits erläutert, ist das Blockiermittel mit seinem Lagerarm an dem ersten Betätigungshebel gelagert bzw. an diesen angeschlossen. Zu diesem Zweck steht die Lagerausnehmung in oder an dem fraglichen ersten Betätigungshebel zur Verfügung. Darüber hinaus ist der erste Betätigungshebel vorteilhaft mit ein oder mehreren Führungsmitteln für das Blockiermittel ausgerüstet. Im Allgemeinen sind zwei Führungsmittel vorgesehen. Hierbei kann es sich einerseits um einen Führungssteg und andererseits eine Führungstasche handeln.As already explained, the blocking means is mounted with its bearing arm on the first operating lever or connected thereto. For this purpose, the bearing recess is available in or on the relevant first operating lever. In addition, the first operating lever is advantageously equipped with one or more guiding means for the blocking agent. In general, two guide means are provided. This can be on the one hand to a guide bar and on the other hand, a management bag.
Die beschriebene Auslegung ist insbesondere vor dem Hintergrund von Vorteil, als es sich bei dem Blockiermittel regelmäßig um eine Blockierfeder handelt. Im Allgemeinen ist die Blockierfeder als Schenkelfeder ausgelegt. Dabei ist ein Lagerschenkel realisiert, der als Lagerarm fungiert und folglich an die bereits angesprochene Lagerausnehmung in dem ersten Betätigungshebel angeschlossen ist. Neben dem Lagerschenkel verfügt die Schenkelfeder darüber hinaus über einen als Haltearm ausgebildeten Halteschenkel. Der Halteschenkel sorgt dafür, dass der Sperrhebel in seiner ausgelenkten Stellung fixiert wird. Zu diesem Zweck hintergreift der Halteschenkel den Anschlag bzw. Halteanschlag am Sperrhebel.The described design is particularly advantageous against the background, as it is the blocking agent regularly is a blocking spring. In general, the blocking spring is designed as a leg spring. In this case, a bearing leg is realized, which acts as a bearing arm and is thus connected to the already mentioned bearing recess in the first operating lever. In addition to the bearing leg, the leg spring also has a holding arm formed as a holding arm. The retaining leg ensures that the locking lever is fixed in its deflected position. For this purpose, the retaining leg engages behind the stop or retaining stop on the locking lever.
Mit Hilfe der beiden beschriebenen Führungsmittel wird nun eine einwandfreie Positionierung und Funktion des als Blockierfeder bzw. Schenkelfeder ausgeführten Blockiermittels zur Verfügung gestellt. So sorgt zunächst einmal der Führungssteg dafür, dass der hieran anliegende Halteschenkel eine einwandfreie Ausrichtung erfährt. Mit dem fraglichen Führungssteg wirkt die Führungstasche zusammen, welche ein im Allgemeinen abgekröpftes Ende des Halteschenkels aufnimmt und führt. Dieses abgekröpfte Ende des Halteschenkels hintergreift im Allgemeinen den Anschlag bzw. Halteanschlag an dem Sperrhebel, und zwar dann, wenn sich der Sperrhebel in seiner ausgelenkten Stellung befindet.
Wie bereits erläutert, ist dem ausgelenkten Sperrhebel wenigstens der ortsfeste Blockieranschlag zugeordnet. Dieser Blockieranschlag ist in oder an dem Gehäuse ausgebildet. Darüber hinaus ist ein weiterer Anschlag für den Sperrhebel vorgesehen, gegen den der Sperrhebel im Normalbetrieb, also nicht in ausgelenktem Zustand, anliegt. Hierfür sorgt die dem Sperrhebel zugeordnete und bereits erläuterte Feder, deren Kraft bei der Auslenkung des Sperrhebels überwunden werden muss. Der fragliche Anschlag ist im Regelfall an dem ersten Betätigungshebel ausgebildet. Eine solche Auslegung empfiehlt sich, weil der Sperrhebel und der erste Betätigungshebel im Allgemeinen gemeinsam auf einem zweiten Betätigungshebel gelagert sind. Dabei ist die Auslegung regelmäßig so getroffen, dass der Sperrhebel zwischen dem ersten Betätigungshebel und dem zweiten Betätigungshebel angeordnet ist. Außerdem wird meistens eine gemeinsame Drehachse für die beiden Betätigungshebel und dem dazwischen angeordneten Sperrhebel realisiert.With the help of the two guide means described now a proper positioning and function of the blocking spring designed as a spring or leg spring blocking agent is provided. Thus, first of all, the guide web ensures that the holding leg which adjoins it experiences perfect alignment. With the guide bridge in question, the guide pocket cooperates, which receives and guides a generally cranked end of the retaining leg. This bent end of the retaining leg generally engages behind the stop or stop stop on the locking lever, and that when the locking lever is in its deflected position.
As already explained, the deflected locking lever is assigned at least the stationary blocking stop. This blocking stop is formed in or on the housing. In addition, another stop for the locking lever is provided, against which the locking lever in normal operation, so not in the deflected state rests. For this purpose, the spring assigned to the locking lever and already explained, whose force must be overcome in the deflection of the locking lever. The stop in question is usually formed on the first operating lever. Such a design is recommended because the locking lever and the first operating lever are generally mounted together on a second operating lever. The design is regularly made so that the locking lever between the first operating lever and the second operating lever is arranged. In addition, a common axis of rotation for the two actuating lever and the interposed locking lever is usually realized.
Auf diese Weise wird erfindungsgemäß der Sperrhebel im Normalbetrieb (wenn er nicht ausgelenkt ist) bei einer Beaufschlagung des Betätigungshebelwerkes eine Relativbewegung gegenüber dem ersten und/oder dem zweiten Betätigungshebel bzw. gegenüber dem Betätigungshebelwerk insgesamt vollführen. Diese Relativbewegung zwischen dem ersten und/oder dem zweiten Betätigungshebel stellt sicher, dass der Sperrhebel "beweglich" bleibt und insbesondere Korrosionen, ein Festbacken des Sperrhebels etc. nicht befürchtet werden müssen. Die Funktionsweise des Sperrhebels bleibt also gewährleistet, und zwar auch noch nach Jahren.In this way, the locking lever according to the invention in normal operation (when it is not deflected) upon application of the operating lever mechanism a relative movement perform overall with respect to the first and / or the second operating lever or with respect to the actuating lever mechanism. This relative movement between the first and / or the second operating lever ensures that the locking lever remains "movable" and in particular corrosion, caking of the locking lever, etc. need not be feared. The operation of the locking lever thus remains guaranteed, even after years.
Hierbei geht die Erfindung von der Erkenntnis aus, dass der fragliche Sperrhebel meistens nur - wenn überhaupt - ein einziges Mal innerhalb eines Autolebens ausgelenkt wird. Um diese beschriebene Funktionalität darstellen und erreichen zu können, ist es erforderlich, dass die Drehbeweglichkeit des Sperrhebels beibehalten wird. Dies stellt die Erfindung dadurch sicher, dass der fragliche Sperrhebel im Normalbetrieb, das heißt bei einer üblichen Beaufschlagung des Betätigungshebelwerkes durch den Innenbetätigungshebel oder Außenbetätigungshebel eine Relativbewegung zwischen dem ersten und/oder zweiten Betätigungshebel erfährt, auf welchen der Sperrhebel gelagert ist.Here, the invention is based on the recognition that the locking lever in question is usually only - if ever - deflected a single time within a car life. To represent and achieve this described functionality, it is necessary that the rotational mobility of the locking lever is maintained. This ensures the invention in that the locking lever in question in normal operation, that is, in a conventional actuation of the operating lever mechanism by the internal operating lever or external actuating lever undergoes a relative movement between the first and / or second actuating lever on which the locking lever is mounted.
Zur weiteren Steigerung der Funktionssicherheit trägt der Umstand bei, dass das Blockiermittel bzw. die an dieser Stelle realisierte Blockierfeder im Normalbetrieb und vorzugsweise federunterstützt an dem Sperrhebel entlang gleitet. Für die an dieser Stelle notwendige Federunterstützung sorgt das Blockiermittel selbst, weil es sich hierbei um die bereits angesprochene Blockierfeder bzw. Schenkelfeder handelt. Jedenfalls gleitet das Blockiermittel bzw. die Blockierfeder oder Schenkelfeder im Regelfall mit ihrem Halteschenkel an dem Sperrhebel im Normalbetrieb entlang.To further increase the reliability contributes to the fact that the blocking agent or realized at this point blocking spring slides in normal operation and preferably spring assisted on the locking lever along. For the spring support necessary at this point provides the blocking agent itself, because this is the already mentioned blocking spring or leg spring. In any case, the blocking agent or the blocking spring or leg spring usually slides along with its holding leg on the locking lever in normal operation.
Dadurch werden auch etwaige Korrosionen oder Festbackungen zwischen einerseits dem Blockiermittel und andererseits dem Sperrhebel vermieden.As a result, any corrosion or caking between on the one hand the blocking agent and on the other hand the locking lever can be avoided.
Immer ist gewährleistet, dass bei Auftreten der abnormalen erhöhten Beschleunigungskräfte der Sperrhebel seine Normalposition sicher verlässt und auch verlassen kann. Als Folge hiervon hintergreift das Blockiermittel mit seinem Haltearm bzw. die Schenkelfeder mit ihrem Halteschenkel den zugehörigen Anschlag respektive Halteanschlag an dem Sperrhebel. Dadurch kann der Sperrhebel auch nach Wegfall der Beschleunigungskräfte nicht (wieder) in die Normalposition zurückkehren.It is always ensured that when the abnormal increased acceleration forces occur, the locking lever leaves its normal position safely and can also leave it. As a result thereof, the blocking means engages with its holding arm or the leg spring with its holding leg the associated stop respectively retaining stop on the locking lever. As a result, the locking lever can not (again) return to the normal position even after elimination of the acceleration forces.
Das gilt zumindest für Betätigungen des Außenbetätigungshebels bzw. der zugehörigen Außenbetätigungshebelkette. Das heißt, bei dem zweiten Betätigungshebel handelt es sich im Allgemeinen um einen Außenbetätigungshebel, während der erste Betätigungshebel als Verbindungshebel ausgelegt ist und die mechanische Kopplung des Außenbetätigungshebels mit einem Auslösehebel bzw. dem Gesperre direkt sicherstellt.This applies at least to actuations of the external actuating lever or the associated external actuating lever chain. That is, the second operating lever is generally an outer operating lever, while the first operating lever is designed as a connecting lever and directly ensures the mechanical coupling of the outer operating lever with a release lever or the locking mechanism.
Indem nun der Sperrhebel dem Außenbetätigungshebel zugeordnet ist bzw. den Außenbetätigungshebel blockiert, ist sichergestellt, dass der zugehörige Kraftfahrzeugtürverschluss bei einer Außenbetätigung nicht geöffnet werden kann. Auch eine Entriegelung ist nicht möglich.By now the locking lever is assigned to the external operating lever and blocks the external operating lever, it is ensured that the associated motor vehicle door lock can not be opened in an external operation. A release is not possible.
Demgegenüber ist eine hiervon unabhängige Innenbetätigungshebelkette meistens autark ausgelegt. Das heißt, der Innenbetätigungshebelkette ist der angesprochene Sperrhebel nicht zugeordnet und die Innenbetätigungshebelkette verfügt auch nicht über einen eigenen Sperrhebel. Dadurch kann der Kraftfahrzeugtürverschluss - bei blockierter Außenbetätigungshebelkette - unverändert über den Innenbetätigungshebel und die zugehörige Innenbetätigungshebelkette geöffnet werden.In contrast, an independent thereof indoor operating lever chain is usually designed self-sufficient. That is, the Innenbetätigungshebelkette the mentioned locking lever is not assigned and the inner lever lever chain does not have its own locking lever. As a result, the motor vehicle door lock can be opened unchanged with the external operating lever chain blocked via the inside operating lever and the associated inside operating lever chain.
Das mag dergestalt realisiert werden, dass der von dem Außenbetätigungshebel unabhängige Innenbetätigungshebel den (gemeinsamen) Verbindungshebel betätigen kann, welcher seinerseits das Gesperre (über einen optimalen Auslösehebel) öffnet. Das ist selbstverständlich nicht zwingend und nur als besondere Option der Erfindungslehre zu verstehen.
Jedenfalls stellt die Erfindung sicher, dass die mit dem erfindungsgemäßen Kraftfahrzeugtürverschluss ausgerüstete Kraftfahrzeugtür insbesondere im Falle eines Crashs oder Unfallherganges nicht ungewollt geöffnet wird. Die Kraftfahrzeugtür bleibt geschlossen und kann über den Außenbetätigungshebel auch nicht geöffnet werden. Es ist lediglich möglich, die Kraftfahrzeugtür von innen her zu öffnen. Das kann über im Innenraum befindliche Personen erfolgen oder dadurch, dass beispielsweise zu Hilfe geeiltes Personal eine Scheibe einschlägt und dann die Kraftfahrzeugtür von innen her öffnet.This may be realized such that the inside operating lever independent of the outside operating lever can actuate the (common) connecting lever, which in turn opens the ratchet (via an optimum tripping lever). This is of course not compulsory and only to be understood as a special option of the doctrine of invention.
In any case, the invention ensures that the motor vehicle door equipped with the motor vehicle door lock according to the invention is not inadvertently opened in the event of a crash or accident. The vehicle door remains closed and can not be opened via the external operating lever. It is only possible to open the vehicle door from the inside. This can be done by persons located in the interior or by the fact that, for example, rushed to help staff a disc and then opens the vehicle door from the inside.
Das alles gelingt unter Berücksichtigung eines konstruktiv einfachen und funktionssicheren Aufbaus. Hierzu trägt erfindungsgemäß der Umstand bei, dass der Sperrhebel und/oder das Blockiermittel im Normalbetrieb, das heißt bei nicht ausgelenktem Sperrhebel, eine Relativbewegung zueinander und/oder im Vergleich zu einem oder mehreren Betätigungshebeln des Betätigungshebelwerkes ausführen. Diese Relativbewegungen stellen die Funktionssicherheit auch bei einem langjährigen Betrieb sicher.
Hinzu kommt, dass allenfalls geringfügige Modifikationen an dem Betätigungshebelwerk als solchen erforderlich sind, um einen Kraftfahrzeugtürverschluss entsprechend zu ertüchtigen. Dadurch lassen sich die Entwicklungskosten gering halten und es besteht darüber hinaus die Möglichkeit, auf eine Vielzahl übereinstimmender Bauteile im Vergleich zu anders gestalteten Kraftfahrzeugtürverschlüssen zurückgreifen zu können. Hierin sind die wesentlichen Vorteile zu sehen.All of this succeeds considering a structurally simple and functionally reliable construction. This contributes according to the invention the fact that the locking lever and / or the blocking means in normal operation, that is, when not deflected locking lever, a relative movement to each other and / or perform compared to one or more operating levers of the operating lever mechanism. These relative movements ensure functional reliability even after many years of operation.
In addition, at most minor modifications to the operating lever mechanism as such are required in order to enhance a motor vehicle door lock accordingly. As a result, the development costs can be kept low and there is also the possibility of a variety of matching components compared to differently designed motor vehicle door locks to be able to fall back. Here are the main benefits.
Im Folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung näher erläutert; es zeigen:
- Fig. 1
- den erfindungsgemäßen Kraftfahrzeugtürverschluss in einer Aufsicht in unverriegeltem Zustand und bei nicht betätigtem Außenbetätigungshebel,
- Fig. 2
- den Gegenstand nach
Fig. 1 bei betätigtem Außenbetätigungshebel, - Fig. 3
- den Gegenstand nach
Fig. 1 in einer geringfügig anderen perspektivischen Darstellung bei auftretenden Beschleunigungskräften sowie ausgelenktem Sperrhebel und - Fig. 4
- einen Betätigungshebel des Betätigungshebelwerkes in perspektivischer Detailansicht.
- Fig. 1
- the motor vehicle door lock according to the invention in a view in the unlocked state and not actuated external operating lever,
- Fig. 2
- the object after
Fig. 1 when the external operating lever is actuated, - Fig. 3
- the object after
Fig. 1 in a slightly different perspective view of occurring acceleration forces and deflected locking lever and - Fig. 4
- an actuating lever of the operating lever mechanism in a perspective detail view.
In den Figuren ist ein Kraftfahrzeugtürverschluss dargestellt. Dieser verfügt in seinem grundsätzlichen Aufbau über ein Gehäuse 1 und ein nicht ausdrücklich dargestelltes Gesperre. Das Gesperre setzt sich in üblicher Art und Weise aus einer Sperrklinke und einer Drehfalle zusammen und lässt sich mit Hilfe des ausschnittsweise in den Figuren dargestellten Betätigungshebelwerkes 2, 3 in bekannter Art und Weise öffnen. Zu diesem Zweck arbeitet das Betätigungshebelwerk 2, 3 entweder direkt oder unter Zwischenschaltung eines Auslösehebels auf die Sperrklinke und hebt diese von der Drehfalle ab. Als Folge hiervon dreht sich die Drehfalle federunterstützt in ihre geöffnete Position und gibt einen zuvor gefangenen Schließbolzen frei.In the figures, a motor vehicle door lock is shown. This has in its basic structure a
Im Rahmen des Ausführungsbeispieles handelt es sich bei dem Betätigungshebelwerk 2, 3 um ein Außenbetätigungshebelwerk 2, 3. Dieses ist mit einem Außenbetätigungshebel 3 und einem Verbindungshebel 2 ausgerüstet. Bei dem Verbindungshebel 2 handelt es sich um einen nachfolgend noch näher in Bezug genommenen ersten Betätigungshebel 2 des Betätigungshebelwerkes 2, 3, wohingegen der Außenbetätigungshebel 3 die Funktion eines zweiten Betätigungshebels 3 des fraglichen Betätigungshebelwerkes 2, 3 übernimmt. Zur grundsätzlichen Funktionsweise des dargestellten Außenbetätigungshebelwerkes 2, 3 wie auch eines Innenbetätigungshebelwerkes und seiner jeweiligen Wechselwirkung mit dem Gesperre wird auf die
Das fragliche Betätigungshebelwerk bzw. Außenbetätigungshebelwerk 2, 3 ist mit einem Sperrhebel 4 ausgerüstet. Der Sperrhebel 4 sorgt dafür, dass das Betätigungshebelwerk 2, 3 bei auftretenden und in der
Im Rahmen des Ausführungsbeispiels korrespondiert die mechanische Unwirksamkeit des Betätigungshebelwerkes 2, 3 dazu, dass das Betätigungshebelwerk 2, 3 eine Blockade erfährt. Grundsätzlich kann die mechanische Unwirksamkeit des Betätigungshebelwerkes 2, 3 auch dergestalt erreicht und vorgenommen werden, dass das Betätigungshebelwerk 2, 3 durch den ausgelenkten Sperrhebel 4 eine mechanische Unterbrechung erfährt. Das ist allerdings nicht dargestellt. Jedenfalls sorgen die beispielsweise bei einem Unfall auftretenden (negativen) Beschleunigungskräfte F dafür, dass der Sperrhebel 4 in Gegenrichtung aufgrund seiner Massenträgheit ausgelenkt wird. Das stellt die
Dabei ist dem Sperrhebel 4 ein Blockiermittel 5 zugeordnet, welches den Sperrhebel 4 in der in
Anhand der vergrößerten Darstellung nach der
Darüber hinaus ist der erste Betätigungshebel 2 mit Führungsmitteln 9, 10 für das Blockiermittel bzw. die Schenkelfeder 5 ausgerüstet. Bei den Führungsmitteln 9, 10 handelt es sich einerseits um einen Führungssteg 9 und andererseits eine Führungstasche 10. Sowohl der Führungssteg 9 als auch die Führungstasche 10 sorgen jeweils für eine Führung des Haltearmes bzw. Halteschenkels 5b der Schenkelfeder 5. Tatsächlich wird die Schenkelfeder 5 bzw. deren Halteschenkel 5b in einem Schlitz zwischen dem Führungssteg 9 und einer Auflage der Führungstasche 10 geführt und gehalten. Von der Führungstasche 10 ausgehend steht ein senkrecht abgekröpftes Ende des Halteschenkels 5b ab, welches den Halteanschlag 6 des Sperrhebels 4 in seiner ausgelenkten Stellung hintergreift.In addition, the
Das Gehäuse 1 ist mit einem ortsfesten Anschlag respektive Gehäuseanschlag 11a ausgerüstet. Dieser Gehäuseanschlag 11a entfaltet dann Wirkung, wenn sich der Sperrhebel 4 ausweislich der
Tatsächlich ist der Sperrhebel 4 nämlich im Ausführungsbeispiel auf dem zweiten Betätigungshebel 3 respektive dem Außenbetätigungshebel 3 gelagert. Außerdem ist auch der erste Betätigungshebel bzw. Verbindungshebel 2 auf dem fraglichen Außenbetätigungshebel 3 gelagert. Hierzu steht eine gemeinsame Drehachse 12 zur Verfügung. In Bezug auf diese Drehachse 12 ist der Sperrhebel 4 zwischen dem ersten Betätigungshebel 2 und dem zweiten Betätigungshebel 3 angeordnet. Auf diese Weise folgt der Sperrhebel 4 Schwenkbewegungen des Außenbetätigungshebels 3 um eine Achse 13, welche in dem Gehäuse 1 angeordnet ist und gegenüber der der Außenbetätigungshebel 3 verschwenkt werden kann.
Solche Schwenkbewegungen im Normalbetrieb um die Achse 13 führen dazu, dass beim Übergang von der
Bei der beschriebenen Bewegung des Betätigungshebelwerkes 2, 3 im Normalbetrieb vollführt erfindungsgemäß auch der Sperrhebel 4 eine Relativbewegung, und zwar sowohl gegenüber dem ersten Betätigungshebel 2 als auch gegenüber dem zweiten Betätigungshebel 3. Das erkennt man beim Übergang von der
Such pivotal movements in normal operation about the
In the described movement of the
Die Blockade des Sperrhebels 4 mit Hilfe des Blockiermittels 5 kann nur dann aufgehoben werden, wenn das Blockiermittel 5 bzw. sein Haltearm 5b von dem Halteanschlag 6 an dem Sperrhebel 4 entfernt wird. Denn dann kehrt der Sperrhebel 4 unterstützt durch eine nicht dargestellte Feder in seine Normalposition entsprechend der Darstellung in den
Es sollte betont werden, dass im Rahmen des Ausführungsbeispiels der Sperrhebel 4 lediglich auf das Außenbetätigungshebelwerk 2, 3 arbeitet. Ein zusätzlich vorhandenes Innenbetätigungshebelwerk wird hiervon nicht beeinflusst. Das heißt, eine mit dem fraglichen Kraftfahrzeugtürverschluss ausgerüstete Kraftfahrzeugtür wird bei einem Unfall durch angreifende Kräfte nicht geöffnet und kann anschließend auch nicht durch einen Außentürgriff geöffnet werden. Hierfür sorgt die nach wie vor bestehende Blockade des Sperrhebels 4 und folglich des Außenbetätigungshebelwerkes 2, 3. Die zugehörige Kraftfahrzeugtür bleibt also geschlossen.It should be emphasized that, in the context of the exemplary embodiment, the locking
Hiervon unbeeinflusst ist jedoch das Innenbetätigungshebelwerk, welches nicht ausdrücklich dargestellt ist. Dieses kann mit einem eigenen Sperrhebel ausgerüstet sein. Im Regelfall wird ein solcher Sperrhebel jedoch an dieser Stelle nicht realisiert, so dass sich die Kraftfahrzeugtür mit Hilfe eines Innentürgriffes und des Innenbetätigungshebelwerkes unverändert öffnen lässt. Das gilt auch für den Fall, dass beispielsweise eintreffende Rettungskräfte die Kraftfahrzeugtür öffnen wollen. Dazu ist es lediglich erforderlich, eine zugehörige Scheibe einzuschlagen und dann den Innentürgriff zu betätigen.However, this is not affected by the internal operating lever mechanism, which is not expressly illustrated. This can be equipped with its own locking lever. As a rule, however, such a locking lever is not realized at this point, so that the motor vehicle door with the help of an internal door handle and the internal operating lever mechanism can be opened unchanged. This also applies to the case that, for example, arriving rescue workers want to open the vehicle door. For this it is only necessary to hit an associated disc and then to operate the inner door handle.
Claims (13)
- A motor vehicle door latch comprising a locking mechanism, further comprising an actuating lever mechanism (2, 3) acting on the locking mechanism and comprising a locking lever (4), which, in response to occurring acceleration forces of a predetermined magnitude, for example in the event of an accident, sets the actuating lever mechanism (2, 3) to be mechanically ineffective by means of its deflection associated therewith, wherein a blocking means (5), which secures the locking lever (4) in its deflected position, is assigned to the locking lever (4), characterized in that
during normal operation, the locking lever (4) performs a relative movement relative to the actuating lever mechanism (2, 3) in response to the actuating lever mechanism (2, 3) being acted upon. - The motor vehicle door latch according to claim 1, characterized in that the blocking means (5) is equipped with a bearing arm (5a) and a retaining arm (5b).
- The motor vehicle door latch according to claim 2, characterized in that the bearing arm (5a) is connected to the first actuating lever (2).
- The motor vehicle door latch according to claim 2 or 3, characterized in that the retaining arm (5b) interacts with a retaining stop (6) on the locking lever (4) and engages behind said retaining stop in the deflected position of the locking lever (4).
- The motor vehicle door latch according to one of claims 1 to 4, characterized in that the first actuating lever (2) is equipped with guide means (9, 10) for the blocking means (5).
- The motor vehicle door latch according to claim 5, characterized in that two guide means (9, 10) are provided, namely a guide web (9) on the one hand and a guide pocket (10) on the other hand.
- The motor vehicle door latch according to one of claims 1 to 6, characterized in that at least one stop (11a, 11b) is assigned to the locking lever (4).
- The motor vehicle door latch according to claim 7, characterized in that the one stop (11a) is provided on a housing (1).
- The motor vehicle door latch according to claim 7 or 8, characterized in that the other stop (11b) is embodied on the first actuating lever (2).
- The motor vehicle door latch according to one of claims 1 to 9, characterized in that the locking lever (4) and the first actuating lever (2) are jointly supported on a second actuating lever (3).
- The motor vehicle door latch according to one of claims 1 to 10, characterized in that during normal operation, the blocking means (5) glides along the locking lever (4), preferably in a spring-supported manner.
- The motor vehicle door latch according to one of claims 1 to 11, characterized in that the blocking means (5) is embodied as blocking spring (5).
- The motor vehicle door latch according to claim 12, characterized in that the blocking spring (5) is embodied as leg spring (5) comprising a bearing leg (5a) formed as bearing arm (5a) and a retaining leg (5b) designed as retaining arm (5b).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202010010577U DE202010010577U1 (en) | 2010-07-23 | 2010-07-23 | Motor vehicle door lock |
PCT/DE2011/001500 WO2012013182A2 (en) | 2010-07-23 | 2011-07-21 | Motor vehicle door latch |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2596189A2 EP2596189A2 (en) | 2013-05-29 |
EP2596189B1 true EP2596189B1 (en) | 2018-12-05 |
Family
ID=45047499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11788344.7A Active EP2596189B1 (en) | 2010-07-23 | 2011-07-21 | Motor vehicle door latch |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2596189B1 (en) |
CN (1) | CN103124824B (en) |
DE (1) | DE202010010577U1 (en) |
WO (1) | WO2012013182A2 (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202012010950U1 (en) | 2012-11-06 | 2014-02-14 | Kiekert Aktiengesellschaft | Motor vehicle door lock |
DE102012025448A1 (en) * | 2012-12-21 | 2014-06-26 | Kiekert Aktiengesellschaft | Motor vehicle door lock |
DE102012025403A1 (en) | 2012-12-21 | 2014-06-26 | Kiekert Aktiengesellschaft | Motor vehicle door lock |
DE102013108293A1 (en) | 2013-08-01 | 2015-02-05 | Kiekert Aktiengesellschaft | Motor vehicle door lock |
DE102013220382A1 (en) * | 2013-10-09 | 2015-04-09 | Kiekert Ag | Motor vehicle door lock |
DE102014000680A1 (en) | 2014-01-22 | 2015-07-23 | Kiekert Aktiengesellschaft | Motor vehicle lock with position security |
DE102015002049A1 (en) | 2014-02-24 | 2015-08-27 | Magna Closures Inc. | Lock for a door of a motor vehicle |
DE102014004550A1 (en) | 2014-03-31 | 2015-10-01 | Kiekert Aktiengesellschaft | Actuation device for a motor vehicle lock |
DE102014004552A1 (en) | 2014-03-31 | 2015-10-01 | Kiekert Aktiengesellschaft | Actuation device for a motor vehicle lock |
WO2015181319A1 (en) * | 2014-05-28 | 2015-12-03 | U-Shin France | Lock for a motor vehicle |
DE102014014619A1 (en) | 2014-09-25 | 2016-04-14 | Kiekert Aktiengesellschaft | Actuation device for a Kraffahrzeugschloss |
DE102015001318A1 (en) | 2015-02-05 | 2016-08-11 | Kiekert Aktiengesellschaft | Actuation device for a motor vehicle lock |
DE102015001906A1 (en) | 2015-02-18 | 2016-08-18 | Kiekert Aktiengesellschaft | Actuation device for a motor vehicle lock |
DE102015004094A1 (en) | 2015-03-31 | 2016-10-06 | Kiekert Aktiengesellschaft | Actuation device for a motor vehicle lock with a mechanism against unintentional opening |
DE102015109946A1 (en) | 2015-06-22 | 2016-12-22 | Kiekert Ag | Motor vehicle lock |
WO2017157359A1 (en) | 2016-03-16 | 2017-09-21 | Kiekert Ag | Actuating device for a motor vehicle lock |
DE102016107510A1 (en) | 2016-04-22 | 2017-10-26 | Kiekert Ag | Motor vehicle door lock |
DE102016108417A1 (en) * | 2016-05-06 | 2017-11-09 | Kiekert Ag | MOTOR VEHICLE LOCK |
DE102016209608A1 (en) | 2016-06-01 | 2017-12-07 | Kiekert Ag | Locking device for a motor vehicle with locking in the event of a crash |
JP6618861B2 (en) * | 2016-06-28 | 2019-12-11 | 株式会社ユーシン | Door lock device |
WO2019002928A1 (en) | 2017-06-30 | 2019-01-03 | Kiekert Ag | Motor vehicle latching system with pyrotechnic blocking device |
EP3816377B1 (en) * | 2017-10-03 | 2024-04-17 | Volvo Car Corporation | Hood latch crash opening prevention |
DE102018101574A1 (en) | 2018-01-24 | 2019-07-25 | Kiekert Ag | Locking device for a motor vehicle with locking in the event of a crash |
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DE19511651C5 (en) * | 1994-04-15 | 2008-07-10 | Volkswagen Ag | Securing a vehicle door against unintentional opening when shock-induced lateral inertia forces occur |
DE9421846U1 (en) | 1994-09-01 | 1996-10-31 | Kiekert AG, 42579 Heiligenhaus | Motor vehicle door lock |
DE19719999C2 (en) | 1997-05-13 | 2000-08-24 | Daimler Chrysler Ag | Closure for opening device in vehicles |
DE19803871C2 (en) * | 1998-01-31 | 2000-12-07 | Daimler Chrysler Ag | Lock for a movable body part of a motor vehicle |
IT1309803B1 (en) * | 1999-05-07 | 2002-01-30 | Valeo Sicurezza Abitacolo Spa | HANDLE FOR A VEHICLE DOOR |
EP1241305B1 (en) | 2001-03-17 | 2004-11-10 | Kiekert Aktiengesellschaft | Motor vehicle door lock |
CA2563449C (en) * | 2004-04-30 | 2013-01-15 | Intier Automotive Closures Inc. | Rotary locking mechanism for outside vehicle door handle |
DE102008028391A1 (en) * | 2008-06-13 | 2009-12-17 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Outside door handle, especially for vehicles |
IT1392505B1 (en) | 2009-01-08 | 2012-03-09 | Valeo Spa | OPENING HANDLE FOR VEHICLES |
-
2010
- 2010-07-23 DE DE202010010577U patent/DE202010010577U1/en not_active Expired - Lifetime
-
2011
- 2011-07-21 EP EP11788344.7A patent/EP2596189B1/en active Active
- 2011-07-21 WO PCT/DE2011/001500 patent/WO2012013182A2/en active Application Filing
- 2011-07-21 CN CN201180045912.5A patent/CN103124824B/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
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WO2012013182A2 (en) | 2012-02-02 |
DE202010010577U1 (en) | 2011-11-04 |
CN103124824A (en) | 2013-05-29 |
EP2596189A2 (en) | 2013-05-29 |
WO2012013182A3 (en) | 2012-06-14 |
CN103124824B (en) | 2015-09-16 |
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