EP2133495B1 - Motor vehicle lock - Google Patents
Motor vehicle lock Download PDFInfo
- Publication number
- EP2133495B1 EP2133495B1 EP09003443A EP09003443A EP2133495B1 EP 2133495 B1 EP2133495 B1 EP 2133495B1 EP 09003443 A EP09003443 A EP 09003443A EP 09003443 A EP09003443 A EP 09003443A EP 2133495 B1 EP2133495 B1 EP 2133495B1
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- EP
- European Patent Office
- Prior art keywords
- crash
- spring element
- engagement
- motor vehicle
- adjustment
- 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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- 230000000903 blocking effect Effects 0.000 claims description 34
- 230000001133 acceleration Effects 0.000 claims description 31
- 230000007246 mechanism Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 4
- 229910000639 Spring steel Inorganic materials 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 description 25
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000005452 bending Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion 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
- 230000003993 interaction Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
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
Definitions
- the invention relates to a motor vehicle lock having the features of the preamble of claim 1.
- Motor vehicle locks are expected to not malfunction due to the high crash accelerations occurring in the event of a crash. It is all about ensuring that the doors of the motor vehicle do not jump open during the crash. This is not infrequently the case, since, for example, a side impact can lead to an outside door handle "stopping" due to its inertia, which overall leads to a relative movement between the outside door handle and the vehicle door. The result is a self-acting by the crash accelerations and, of course, undesirable operation process.
- the publication DE 198 06 790 A1 describes a device for influencing two components associated door handle assembly on a motor vehicle with a locking element, which is displaced by inertial force between a relative movement enabling clearance position and the relative movement blocking blocking position.
- the blocking element starting from a neutral center position, supported by Trägheitskraftbeetzschlagung in all directions of a full circle evasive.
- the restoring force acting on the blocking element which is intended to hold the blocking element in its neutral position, is applied by a further spring element, magnet or a hydraulic element.
- the US 6,042,159 in turn, provides an assembly for a motor vehicle door intended to prevent uncontrolled opening of the door in the event of a side impact.
- the assembly includes a side impact detector arm configured to, in the event of a side impact while the door handle is in a closed position, move out of inertia by inertia. which allows movement of the door handle to an opening position to move into a 9.aufprallsbellung in which the movement of the door handle is prevented in the open position.
- the side impact detector arm normally forms a straight extension of the actuator arm but pivots due to inertia around the actuator arm as a result of a side impact into a position in which it blocks an opening movement of the door handle.
- a crash barrier is provided which blocks an automatic, caused by the crash accelerations actuation process.
- the known motor vehicle lock with the usual closing elements latch and pawl and equipped with an actuating mechanism.
- the actuating mechanism in turn has a facedbetuschistsbebel, which carries a pivotable locking mass.
- the inertia leads to an adjustment of the locking mass against the force of a spring, whereby the operation of the external operating lever is temporarily blocked.
- adjustment here is always meant the adjustment of the locking mass relative to the power tool lock in the rest.
- the blocking mass is spring-loaded returned to its rest position, so that the operation by the user is possible again.
- a weak point in the known motor vehicle lock is the storage of the barrier mass. Such bearings harden with time or freeze with appropriate weather. In both cases, the operational safety of the crash barrier is not guaranteed.
- the known motor vehicle lock leads to high manufacturing costs, since in addition to the barrier mass itself and the storage of the barrier mass and the spring load of the barrier mass must be realized.
- the invention is based on the problem, the known motor vehicle lock in such a way and further develop that the reliability of the crash barrier is increased with little effort.
- the spring element is a spring-elastically bendable wire or strip, which is preferably fixedly mounted on a bearing point.
- the so-mounted spring element carries the barrier mass at a location remote from the bearing point, so that the locking mass is adjustable by bending the spring element and against the restoring force of the spring element.
- the blocking mass is adjustable by the crash accelerations occurring in the event of a crash against the restoring force of the spring element, the blocking mass thereby causing the braking or blocking caused by crash accelerations actuation process.
- the barrier mass requires no pivot bearing or the like. This is possible because the barrier mass is carried by the spring element.
- the functionality of the crash barrier is thus largely independent of factors such as icing, resinification, corrosion or the like.
- an engagement element is arranged on the spring element, which comes blocking or braking in engagement with the actuating mechanism in the event of a crash.
- the response of the crash barrier can be further improved.
- the locking mass and / or the engagement element is deflectable in all directions perpendicular to the longitudinal extent of the spring element or are, wherein exceeding a predetermined displacement of the engagement element for blocking or braking of a crash-related actuation operation leads, regardless of the adjustment of the engagement element.
- the proposed motor vehicle lock is equipped with the usual closing elements latch and pawl.
- the latch is in a main position, in an optionally present Vorrastrus and in an open position brought, wherein the pawl in a sunken position in which it holds the latch in the main latching position and in the optionally present Vorrastrus and in an excavated position in which they releases the latch, is adjustable.
- the pawl can be manually lifted by means of an actuating mechanism 1 in an actuating operation. Alternatively or additionally, it is also conceivable that the pawl is raised by a motor. In the drawing, only one lever of the actuating mechanism 1 is shown, which will be described below.
- latch and pawl may be on the starting point forming DE 196 24 640 C1 to get expelled.
- the proposed motor vehicle lock is equipped with a crash barrier 2, which brakes or blocks an automatic actuation process caused by crash accelerations in the event of a crash, wherein the crash barrier has an adjustable locking mass 3 whose adjustment caused by crash accelerations causes blocking of the actuation process caused by crash accelerations.
- the crash barrier 2 has a resiliently flexible wire or strip, which is referred to below as spring element 4.
- the spring element 4 is preferably fixed to a bearing point 5 stored. In the case of the realization of a fixed bearing for the spring element 4, the spring element 4 acts in a sense as a bending beam. When storing but it may also be a resilient, also resilient storage.
- the spring element 4 carries the locking mass 3 at a location remote from the bearing point 5, so that the locking mass 3 is adjustable by crash accelerations against the restoring force of the spring element 4, thereby causing the blocking caused by crash accelerations actuation process.
- a particularly high freedom of movement of the blocking mass 3 is ensured hereby. This in turn is associated with the fact that with the barrier mass 3 crash accelerations can be counteracted in different directions.
- the locking mass 3 resets after elimination of the crash accelerations in a rest position. In this rest position causes the blocking mass 3 according to no blocking of the actuating mechanism. 1
- the bearing point 5 is located at one end of the spring element 4, so that the spring element 4 at one end to a lock housing o.
- the like Preferably fixedly mounted or clamped.
- the spring element 4 can also be mounted in the region of a lock catch bearing or the like.
- a particularly compact embodiment results from the fact that the spring element 4, an engagement member 6 is arranged, which follows an adjustment of the locking mass 3 and comes in a crash-related adjustment of the locking mass 3 in engagement with the actuating mechanism 1, that blocks or braked a crash-related operation becomes.
- the engagement element 6 is part of the spring element 4.
- this is only a hook-like shape of the spring element 4. This hook-like shape works particularly well with an actuating lever 7 together, as will become apparent from the following explanations.
- the actuating mechanism 1 is equipped with such an operating lever 7, which may be configured as an external operating lever or as an internal operating lever. In both cases, it is such that the actuation of the actuating lever 7, the lifting of the pawl is effected. Whether an actuation of the operating lever 7 actually leads to a lifting of the pawl, regularly depends on the current lock state (locked, unlocked, anti-theft device, etc.).
- the engagement element 6 is designed like a hook and engages behind the actuating lever 7 in the event of a crash in a blocking manner. This, too, can be clearly seen in the drawing. An actuation of the actuating lever 7 is not possible in the situation shown in dotted lines (the actuation of the actuating lever takes place in Fig. 1 right round).
- the engagement member 6 for blocking engagement with the actuating mechanism 1 requires an adjustment of the engagement member 6 in a predetermined engagement direction 8.
- a special guide contour 9 is provided. This guide contour 9 ensures that the resulting, aligned perpendicular to the engagement direction 8 adjustment of the locking mass 3 is converted into an adjustment with a movement component in the engagement direction 8. This is so that both a crash acceleration in Fig. 2 from right to left (rear impact) as well as an acceleration in Fig. 2 perpendicular to the plane of the drawing (side impact) leads to a blockage of the actuating mechanism 1.
- the guide contour 9 may be a leading edge or a guide surface on which the spring element 4 or coupled to the spring element 4 element slides along an aligned perpendicular to the engagement direction 8 adjustment of the locking mass 3, whereby the spring element 4 or with the spring element 4 coupled element is deflected in the direction of engagement 8.
- the spring element 4 is aligned substantially vertically in normal operation and that an outgoing from the rear of the motor vehicle crash acceleration leads to a direct adjustment of the locking mass 3 and the engagement member 6 in the direction of engagement 8.
- the blocking mass 3 can be plugged, pressed, glued or screwed onto the spring element 4. It is also conceivable that the blocking mass 3 is designed in one piece with the spring element 4.
- the blocking mass 3 could be a coil consisting of the material of the spring element 4.
- the spring element 4 consists of a metal material, preferably spring steel. But it may also be advantageous to design the spring element 4 in a plastic material.
- the spring element 4 has a circular cross-section. But especially in production terms, it can be advantageous that the spring element 4 is designed strip-shaped or strip-shaped, since such elements can be fastened in a simple manner.
- the spring element 4 is partially configured straight. Here it is even so that the spring element 4 is designed substantially completely straight. Depending on the application, it may also be advantageous that the spring element 4 is adapted to the structural conditions and deviates significantly from a straight configuration.
- the spring element 4 is formed as a one-piece wire, the same spring-elastic properties over its entire length. But it may also be advantageous that the spring element 4 is only partially elastically bendable and otherwise designed rather rigid. This can be achieved, for example, by changing the wire cross section over the length of the wire.
- FIG. 3 A particularly preferred embodiment with which the response of the crash barrier 2 can be increased in a simple manner, is in Fig. 3 shown.
- the blocking mass 3 and the engagement element 6 are deflectable in all directions perpendicular to the longitudinal extension of the spring element 4. It is in particular so that when a crash-related adjustment of the engaging element 6 over a predetermined adjustment addition, the engagement member 6 regardless of the adjustment so in engagement with the actuating mechanism 1 in that a crash-related operation is blocked or slowed down.
- longitudinal extent of the spring element 4" is to be understood in the present case and includes, for example, in the case of not completely straight configuration of the spring element 4, the direction perpendicular to which a deflection of the engaging member 6 is provided against the restoring force of the spring element 4.
- the engagement element 6 is part of the barrier mass 3. This leads to a particularly compact design. In principle, however, it is also conceivable that the engagement element 6 is configured separately from the barrier mass 3.
- the above-mentioned independence of the blocking of the adjustment of the engagement member 6 can be realized in that the actuating lever 7 or a lever coupled to the actuating lever 7 has a preferably circular recess 10 which engages behind the engagement member 6 in the event of a crash blocking.
- Fig. 3 b) performs an adjustment of the engagement element 6 in the adjustment direction 11 that a blocking surface 12, the recess 10 engages behind and blocks the operating lever 7.
- a blockage of the actuating lever 7 is correspondingly in Fig. 3 b) provided to an adjustment of the operating lever 7 to the left.
- two engagement elements 6 are provided, which are arranged on both sides of the actuating lever 7. This can be achieved that in the event of a crash, both indicated by the reference numeral 13 operating directions of the operating lever 7 are lockable.
- the engagement element 6 shown can be a disc-shaped engagement element 6 which is attached to the spring element 4.
- the engagement element 6 is equipped with a plurality, preferably four, radially projecting arms.
- Other structural configurations of the engagement element 6 are conceivable.
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- Lock And Its Accessories (AREA)
- Vibration Dampers (AREA)
Description
Die Erfindung betrifft ein Kraftfahrzeugschloß mit den Merkmalen des Oberbegriffs von Anspruch 1.The invention relates to a motor vehicle lock having the features of the preamble of
Moderne Kraftfahneugschlösser müssen steigenden Sicherheitsanforderungen gerecht werden. Dies betrifft vor allem die Betriebssicherheit im Crashfall.Modern Kraftfahneugschlösser must meet increasing safety requirements. This applies above all to operational safety in the event of a crash.
Von Kraftfahrzeugschlössern wird erwartet, daß durch die hohen im Crashfall auftretenden Crashbeschleunigungen keine Fehlfunktionen auftreten. Dabei geht es vor allem darum sicherzustellen, daß die Türen des Kraftfahrzeugs während des Crashfalls nicht aufspringen. Dies ist nicht selten der Fall, da beispielsweise ein Seitenaufprall dazu führen kann, daß ein Türaußengriff aufgrund seiner Massenträgheit "stehenbleibt" was insgesamt zu einer Relativbewegung zwischen Türaußengriff und Fahrzeugtür führt. Das Ergebnis ist ein durch die Crashbeschleunigungen selbsttätig erfolgender und natürlich unerwünschter Betätigungsvorgang.Motor vehicle locks are expected to not malfunction due to the high crash accelerations occurring in the event of a crash. It is all about ensuring that the doors of the motor vehicle do not jump open during the crash. This is not infrequently the case, since, for example, a side impact can lead to an outside door handle "stopping" due to its inertia, which overall leads to a relative movement between the outside door handle and the vehicle door. The result is a self-acting by the crash accelerations and, of course, undesirable operation process.
Die Offenlegungsschrift
Die
Bei dem bekannten Kraftfahrzeugschloß (
Zunächst ist das bekannte Kraftfahrzeugschloß mit den üblichen Schließelementen Schloßfalle und Sperrklinke sowie mit einer Betätigungsmechanik ausgestattet. Die Betätigungsmechanik weist wiederum einen Außenbetätigungsbebel auf, der eine schwenkbare Sperrmasse trägt. Bei einem Seitenaufprall führt die Massenträgheit zu einer Verstellung der Sperrmasse gegen die Kraft einer Feder, wodurch die Betätigung des Außenbetätigungshebels kurzzeitig blockiert wird. Mit "Verstellung" ist hier stets die Verstellung der Sperrmasse relativ zu dem Kraftfabrzeugschloß im übrigen gemeint. Letzlich kommt es zu dieser "Verstellung" ja nur, weil die Sperrmasse aufgrund ihrer Massenträgheit dazu neigt, in ihrer jeweiligen Position zu verbleiben.First, the known motor vehicle lock with the usual closing elements latch and pawl and equipped with an actuating mechanism. The actuating mechanism in turn has a Außenbetätigungsbebel, which carries a pivotable locking mass. In a side impact, the inertia leads to an adjustment of the locking mass against the force of a spring, whereby the operation of the external operating lever is temporarily blocked. With "adjustment" here is always meant the adjustment of the locking mass relative to the power tool lock in the rest. Ultimately, it comes to this "adjustment" only because the barrier mass tends due to their inertia tends to remain in their respective position.
Nach dem Wegfall der Crashbeschleunigungen wird die Sperrmasse federbelastet in ihre Ruhestellung zurückgestellt, so daß die Betätigung durch den Benutzer wieder möglich ist.After the elimination of the crash accelerations, the blocking mass is spring-loaded returned to its rest position, so that the operation by the user is possible again.
Ein Schwachpunkt bei dem bekannten Kraftfahrzeugschloß besteht in der Lagerung der Sperrmasse. Solche Lagerungen verharzen mit der Zeit oder vereisen bei entsprechender Witterung. In beiden Fällen ist die Betriebssicherheit der Crashsperre nicht gewährleistet.A weak point in the known motor vehicle lock is the storage of the barrier mass. Such bearings harden with time or freeze with appropriate weather. In both cases, the operational safety of the crash barrier is not guaranteed.
Ferner führt das bekannte Kraftfahrzeugschloß zu hohen Fertigungskosten, da neben der Sperrmasse selbst und der Lagerung der Sperrmasse auch die Federbelastung der Sperrmasse realisiert werden muß.Furthermore, the known motor vehicle lock leads to high manufacturing costs, since in addition to the barrier mass itself and the storage of the barrier mass and the spring load of the barrier mass must be realized.
Der Erfindung liegt das Problem zugrunde, das bekannte Kraftfahrzeugschloß derart auszugestalten und weiterzubilden, daß die Betriebssicherheit der Crashsperre mit geringem Aufwand erhöht wird.The invention is based on the problem, the known motor vehicle lock in such a way and further develop that the reliability of the crash barrier is increased with little effort.
Das obige Problem wird bei einem Kraftfahrzeugschloß gemäß dem Oberbegriff von Anspruch 1 durch die Merkmale des kennzeichnenden Teils von Anspruch 1 gelöst.The above problem is solved in a motor vehicle lock according to the preamble of
Wesentlich ist die Überlegung, ein Federelement doppelt zu nutzen, nämlich einerseits für die Federbelastung der Sperrmasse und andererseits für die Lagerung der Sperrmasse. Vorschlagsgemäß handelt es sich bei dem Federelement um einen an einer Lagerstelle vorzugsweise fest gelagerten federelastisch biegbaren Draht oder Streifen. Das so gelagerte Federelement trägt die Sperrmasse an einer von der Lagerstelle entfernten Stelle, so daß die Sperrmasse unter einem Verbiegen des Federelements und gegen die Rückstellkraft des Federelements verstellbar ist.Essential is the idea to use a spring element twice, namely on the one hand for the spring load of the barrier mass and on the other hand for the storage of the barrier mass. According to the proposal, the spring element is a spring-elastically bendable wire or strip, which is preferably fixedly mounted on a bearing point. The so-mounted spring element carries the barrier mass at a location remote from the bearing point, so that the locking mass is adjustable by bending the spring element and against the restoring force of the spring element.
Die Anordnung ist nun so getroffen, daß die Sperrmasse durch die im Crashfall auftretenden Crashbeschleunigungen gegen die Rückstellkraft des Federelements verstellbar ist, wobei die Sperrmasse dabei das Bremsen oder Blockieren des durch Crashbeschleunigungen verursachten Betätigungsvorgangs bewirkt.The arrangement is now made such that the blocking mass is adjustable by the crash accelerations occurring in the event of a crash against the restoring force of the spring element, the blocking mass thereby causing the braking or blocking caused by crash accelerations actuation process.
Besonders vorteilhaft ist bei der vorschlagsgemäßen Lösung die Tatsache, daß die Sperrmasse keine Schwenklagerung oder dergleichen erfordert. Dies ist möglich, weil die Sperrmasse vom Federelement getragen wird. Die Funktionsfähigkeit der Crashsperre ist damit weitgehend unabhängig von Faktoren wie Vereisung, Verharzung, Korrosion oder dergleichen.Particularly advantageous in the proposed solution is the fact that the barrier mass requires no pivot bearing or the like. This is possible because the barrier mass is carried by the spring element. The functionality of the crash barrier is thus largely independent of factors such as icing, resinification, corrosion or the like.
Bei den bevorzugten Ausgestaltungen gemäß den Ansprüchen 4 bis 8 ist am Federelement ein Eingriffselement angeordnet, das im Crashfall blockierend oder bremsend im Eingriff mit der Betätigungsmechanik kommt. Diese direkte Kopplung des Federelements mit dem Eingriffselement, das in besonders bevorzugter Ausgestaltung sogar Bestandteil des Federelements ist, führt zu einer ganz besonders kompakten Ausgestaltung.In the preferred embodiments according to
Die weiter bevorzugten Ausgestaltungen gemäß den Merkmalen 10 bis 12 betreffen vorteilhafte Varianten der Ausgestaltung des Federelements.The further preferred embodiments according to the
Bei der weiter bevorzugten Ausgestaltung gemäß Anspruch 13 läßt sich das Ansprechverhalten der Crashsperre weiter verbessern. Hierfür ist es vorgesehen, daß die Sperrmasse und/oder das Eingriffselement in allen Richtungen senkrecht zur Längserstreckung des Federelements auslenkbar ist bzw. sind, wobei ein Überschreiten eines vorbestimmten Verstellwegs des Eingriffselements zur Blockierung oder Bremsung eines crashbedingten Betätigungsvorgangs führt, und zwar unabhängig von der Verstellrichtung des Eingriffselements.In the further preferred embodiment according to
Im folgenden wird die Erfindung anhand einer lediglich Ausführungsbeispiele darstellenden Zeichnung näher erläutert. In der Zeichnung zeigt
- Fig. 1
- die Crashsperre eines erfindungsgemäßen Kraftfahrzeugschlosses in einer perspektivischen Ansicht und
- Fig. 2
- die Crashsperre gemäß
Fig. 1 in einer Seitenansicht, - Fig. 3
- die Crashsperre eines erfindungsgemäßen Kraftfahrzeugschlosses in einer weiteren Ausführungsform a) in einer perspektivischen Ansicht und b) in einer Seitenansicht.
- Fig. 1
- the crash barrier of a motor vehicle lock according to the invention in a perspective view and
- Fig. 2
- the crash barrier according to
Fig. 1 in a side view, - Fig. 3
- the crash barrier of a motor vehicle lock according to the invention in a further embodiment a) in a perspective view and b) in a side view.
Zur besseren Orientierung darf darauf hingewiesen werden, daß in der Darstellung gemäß
Das vorschlagsgemäße Kraftfahrzeugschloß ist mit den üblichen Schließelementen Schloßfalle und Sperrklinke ausgestattet. Die Schloßfalle ist in eine Hauptraststellung, in eine gegebenenfalls vorhandene Vorraststellung sowie in eine Offenstellung bringbar, wobei die Sperrklinke in eine eingefallene Stellung, in der sie die Schloßfalle in der Hauptraststellung und in der gegebenenfalls vorhandenen Vorraststellung hält und in eine ausgehobene Stellung, in der sie die Schloßfalle freigibt, verstellbar ist. Die Sperrklinke ist mittels einer Betätigungsmechanik 1 in einem Betätigungsvorgang manuell aushebbar. Alternativ oder zusätzlich ist es auch denkbar, daß die Sperrklinke motorisch aushebbar ist. In der Zeichnung ist nur ein Hebel der Betätigungsmechanik 1 gezeigt, der im folgenden noch beschrieben wird.The proposed motor vehicle lock is equipped with the usual closing elements latch and pawl. The latch is in a main position, in an optionally present Vorraststellung and in an open position brought, wherein the pawl in a sunken position in which it holds the latch in the main latching position and in the optionally present Vorraststellung and in an excavated position in which they releases the latch, is adjustable. The pawl can be manually lifted by means of an
Im Hinblick auf die Anordnung und das Zusammenwirken von Schloßfalle und Sperrklinke darf auf die den Ausgangspunkt bildende
Das vorschlagsgemäße Kraftfahrzeugschloß ist mit einer Crashsperre 2 ausgestattet, die im Crashfall einen selbsttätigen durch Crashbeschleunigungen verursachten Betätigungsvorgang bremst oder blockiert, wobei die Crashsperre eine verstellbare Sperrmasse 3 aufweist, deren durch Crashbeschleunigungen verursachte Verstellung das Blockieren des durch Crashbeschleunigungen verursachten Betätigungsvorgangs bewirkt.The proposed motor vehicle lock is equipped with a
Im folgenden ist ausschließlich von dem Blockieren des Betätigungsvorgangs die Rede. Grundsätzlich kann es aber auch vorgesehen sein, daß der Betätigungsvorgang lediglich gebremst wird. Dies kann im Hinblick auf die geringere Belastung der beteiligten Komponenten vorteilhaft sein.In the following, only the blocking of the actuation process is mentioned. In principle, however, it can also be provided that the actuation process is only braked. This may be advantageous in view of the lower load on the components involved.
Wesentlich ist nun die Tatsache, daß die Crashsperre 2 einen federelastisch biegbaren Draht oder Streifen aufweist, der im folgenden als Federelement 4 bezeichnet wird. Das Federelement 4 ist an einer Lagerstelle 5 vorzugsweise fest gelagert. Im Falle der Realisierung eines Festlagers für das Federelement 4 wirkt das Federelement 4 gewissermaßen als Biegebalken. Bei der Lagerung kann es sich aber auch um eine nachgiebige, ebenfalls federnde Lagerung handeln.What is essential now is the fact that the
Wesentlich ist weiter, daß das Federelement 4 die Sperrmasse 3 an einer von der Lagerstelle 5 entfernten Stelle trägt, so daß die Sperrmasse 3 durch Crashbeschleunigungen gegen die Rückstellkraft des Federelements 4 verstellbar ist, und dabei das Blockieren des durch Crashbeschleunigungen verursachten Betätigungsvorgangs bewirkt. Neben den Vorteilen im Hinblick auf Kosten und Betriebssicherheit ist hiermit eine besonders hohe Bewegungsfreiheit der Sperrmasse 3 gewährleistet. Hiermit verbunden ist wiederum die Tatsache, daß mit der Sperrmasse 3 Crashbeschleunigungen in unterschiedlichen Richtungen begegnet werden kann.It is also essential that the
Um sicherzustellen, daß nach dem Crash wieder eine normale Betätigung über die Betätigungsmechanik 1 möglich ist, ist es vorzugsweise vorgesehen, daß das Federelement 4 die Sperrmasse 3 nach Wegfall der Crashbeschleunigungen in eine Ruhestellung zurückstellt. In dieser Ruhestellung bewirkt die Sperrmasse 3 entsprechend keine Blockierung der Betätigungsmechanik 1.To ensure that after the crash, a normal operation on the
Vorzugsweise befindet sich die Lagerstelle 5 an einem Ende des Federelements 4, so daß das Federelement 4 an dem einen Ende an einem Schloßgehäuse o. dgl. vorzugsweise fest gelagert oder eingespannt ist. Grundsätzlich kann das Federelement 4 aber auch im Bereich eines Schloßfanglagers oder dergleichen gelagert sein.Preferably, the
Eine besonders kompakte Ausgestaltung ergibt sich dadurch, daß am Federelement 4 ein Eingriffselement 6 angeordnet ist, das einer Verstellung der Sperrmasse 3 folgt und das bei einer crashbedingten Verstellung der Sperrmasse 3 derart in Eingriff mit der Betätigungsmechanik 1 kommt, daß ein crashbedingter Betätigungsvorgang blockiert oder gebremst wird. Hier und vorzugsweise ist es so, daß das Eingriffselement 6 Bestandteil des Federelements 4 ist. Letztlich handelt es sich hier nur um eine hakenartige Ausformung des Federelements 4. Diese hakenartige Ausformung wirkt besonders gut mit einem Betätigungshebel 7 zusammen, wie aus den folgenden Ausführungen deutlich wird.A particularly compact embodiment results from the fact that the
Hier und vorzugsweise ist die Betätigungsmechanik 1 mit einem solchen Betätigungshebel 7 ausgestattet, der als Außenbetätigungshebel oder als Innenbetätigungshebel ausgestaltet sein kann. In beiden Fällen ist es so, daß durch eine Betätigung des Betätigungshebels 7 das Ausheben der Sperrklinke bewirkbar ist. Ob eine Betätigung des Betätigungshebels 7 tatsächlich zu einem Ausheben der Sperrklinke führt, hängt regelmäßig vom aktuellen Schloßzustand ab (verriegelt, entriegelt, Diebstahlsicherung ein etc.).Here and preferably, the
Im Crashfall ist es wie oben erläutert notwendig, eine durch die Crashbeschleunigungen verursachte Betätigung des Betätigungshebels 7 zu verhindern. Hier und vorzugsweise kommt bei einer durch Crashbeschleunigungen verursachten Verstellung der Sperrmasse 3 das Eingriffselement 6 in blockierenden Eingriff mit dem Betätigungshebel 7. Diese Situation ist in der Zeichnung in strichpunktierten Linien dargestellt.In the event of a crash, it is necessary, as explained above, to prevent actuation of the
Bei dem dargestellten und insoweit bevorzugten Ausführungsbeispiel ist das Eingriffselement 6 hakenartig ausgestaltet und hintergreift den Betätigungshebel 7 im Crashfall in blockierender Weise. Auch dies läßt sich der Zeichnung gut entnehmen. Eine Betätigung des Betätigungshebels 7 ist in der in strichpunktierten Linien dargestellten Situation nicht möglich (die Betätigung des Betätigungshebels erfolgt in
Insbesondere bei der hakenartigen Ausgestaltung des Eingriffselements 6 erfordert das Eingriffselement 6 für den blockierenden Eingriff mit der Betätigungsmechanik 1 eine Verstellung des Eingriffselements 6 in einer vorbestimmten Eingriffsrichtung 8. Damit nun auch Crashbeschleunigungen zu einer Blockierung der Betätigungsmechanik 1 führen, die senkrecht zu der Eingriffsrichtung 8 ausgerichtet sind, ist eine spezielle Führungskontur 9 vorgesehen. Diese Führungskontur 9 sorgt dafür, daß die resultierende, senkrecht zu der Eingriffsrichtung 8 ausgerichtete Verstellung der Sperrmasse 3 in eine Verstellung mit einer Bewegungskomponente in Eingriffsrichtung 8 überführt wird. Damit ist es so, daß sowohl eine Crashbeschleunigung in
Bei der Führungskontur 9 kann es sich um eine Führungskante oder um eine Führungsfläche handeln, an der das Federelement 4 oder ein mit dem Federelement 4 gekoppeltes Element bei einer senkrecht zu der Eingriffsrichtung 8 ausgerichteten Verstellung der Sperrmasse 3 entlanggleitet, wodurch das Federelement 4 oder das mit dem Federelement 4 gekoppelte Element in Eingriffsrichtung 8 abgelenkt wird.In the
Hier und vorzugsweise ist es so, daß das Federelement 4 im Normalbetrieb im wesentlich vertikal ausgerichtet ist und daß eine vom Heck des Kraftfahrzeugs ausgehende Crashbeschleunigung zu einer direkten Verstellung der Sperrmasse 3 und des Eingriffselements 6 in Eingriffsrichtung 8 führt. Hierbei handelt es sich um die oben angesprochene in
Weiter vorzugsweise ist es so, daß eine von einer der beiden Seiten des Kraftfahrzeugs ausgehende Crashbeschleunigung übe die Führungskontur 9 zu einer indirekten Verstellung der Sperrmasse 3 und des Eingriffselements 6 in Eingriffsrichtung 8 führt. Dies entspricht der oben erläuterten Crashbeschleunigung in
Für die Verbindung zwischen der Sperrmasse 3 und dem Federelement 4 sind zahlreiche vorteilhafte Varianten denkbar. Beispielsweise kann die Sperrmasse 3 auf das Federelement 4 aufgesteckt, aufgepreßt, aufgeklebt oder aufgeschraubt sein. Denkbar ist aber auch, daß die Sperrmasse 3 einstückig mit dem Federelement 4 ausgestaltet ist. Die Sperrmasse 3 könnte eine aus dem Material des Federelements 4 bestehende Spule sein.For the connection between the locking
Hinsichtlich der Materialwahl für das Federelement 4 sind verschiedene bevorzugte Alternativen denkbar. In besonders bevorzugter Ausgestaltung besteht das Federelement 4 aus einem Metallwerkstoff, vorzugsweise aus Federstahl. Es kann aber auch vorteilhaft sein, das Federelement 4 in einem Kunststoffwerkstoff auszugestalten.With regard to the choice of material for the
Auch für die Formgebung des Federelements 4 sind verschiedene vorteilhafte Alternativen denkbar. Vorzugsweise weist das Federelement 4 einen kreisförmigen Querschnitt auf. Insbesondere in fertigungstechnischer Hinsicht kann es aber auch vorteilhaft sein, daß das Federelement 4 bandförmig bzw. streifenförmig ausgestaltet ist, da solche Elemente auf einfache Weise befestigbar sind.Also for the shaping of the
Bei dem dargestellten und insoweit bevorzugten Ausführungsbeispiel ist das Federelement 4 abschnittsweise gerade ausgestaltet. Hier ist es sogar so, daß das Federelement 4 im wesentlichen vollständig gerade ausgestaltet ist. Je nach Anwendungsfall kann es aber auch vorteilhaft sein, daß das Federelement 4 an die konstruktiven Gegebenheiten angepaßt ist und erheblich von einer geraden Ausgestaltung abweicht.In the illustrated and so far preferred embodiment, the
Hier und vorzugsweise ist das Federelement 4 als einstückiger Draht ausgebildet, der über seine gesamte Länge dieselben federelastischen Eigenschaften. Es kann aber auch vorteilhaft sein, daß das Federelement 4 nur abschnittsweise federelastisch biegbar und im übrigen eher starr ausgestaltet ist. Dies läßt sich beispielsweise durch einen sich über die Länge des Drahtes verändernden Drahtquerschnitt erreichen.Here and preferably, the
Eine besonders bevorzugte Ausgestaltung, mit der sich das Ansprechverhalten der Crashsperre 2 auf einfach Weise erhöhen läßt, ist in
Der Begriff "Längserstreckung des Federelements 4" ist vorliegend weit zu verstehen und umfaßt beispielsweise für den Fall der nicht vollständig geraden Ausgestaltung des Federelements 4 die Richtung, senkrecht zu welcher eine Auslenkung des Eingriffselements 6 gegen die Rückstellkraft des Federelements 4 vorgesehen ist.The term "longitudinal extent of the
Bei der in
In besonders einfacher Weise läßt sich die oben angesprochene Unabhängigkeit der Blockierung von der Verstellrichtung des Eingriffselements 6 dadurch realisieren, daß der Betätigungshebel 7 oder ein mit dem Betätigungshebel 7 gekoppelter Hebel eine vorzugsweise kreisförmige Ausnehmung 10 aufweist, die das Eingriffselement 6 im Crashfall blockierend hintergreift. In
Grundsätzlich kann es auch vorteilhaft sein, daß zwei Eingriffselemente 6 vorgesehen sind, die beidseitig des Betätigungshebels 7 angeordnet sind. Damit läßt sich erreichen, daß im Crashfall beide mit den Bezugszeichen 13 gekennzeichneten Betätigungsrichtungen des Betätigungshebels 7 sperrbar sind.In principle, it may also be advantageous that two engagement elements 6 are provided, which are arranged on both sides of the
Bei dem in
Claims (15)
- Motor vehicle lock having the locking elements of a lock latch and pawl, wherein the lock latch can be brought into a main latching position, into an optionally present preliminary latching position and into an open position, and wherein the pawl is adjustable into an engaged position, in which the pawl retains the lock latch in the main lathing position and in the optionally present preliminary latching position, and into a raised position, in which the pawl releases the lock latch, wherein the pawl is raisable manually and/or by motor in an actuating operation by means of an actuating mechanism (1), wherein a crash lock (2) is provided, the said crash lock, in the event of a crash, braking or blocking an automatic actuating operation caused by crash accelerations, wherein the crash lock (2) has an adjustable locking mass (3), the adjustment of which caused by crash accelerations brings about the braking or blocking of the actuating operation caused by crash accelerations, wherein the crash lock (2) has a resiliently bendable wire or strip - a spring element (4), wherein the spring element is mounted, preferably fixedly, at a bearing point (5), and wherein the spring element (4) supports the locking mass (3) at a point remote from the bearing point (5), characterized in that the locking mass (3) is adjustable by crash accelerations counter to the resetting force of the spring element (4), in a manner braking or blocking the actuating operation caused by the crash accelerations.
- Motor vehicle lock according to Claim 1, characterized in that, after cessation of the crash accelerations, the spring element (4) resets the locking mass (3) into an inoperative position.
- Motor vehicle lock according to Claim 1 or 2, characterized in that the bearing point (5) is located at one end of the spring element (4).
- Motor vehicle lock according to one of the preceding claims, characterized in that an engagement element (6) is arranged on the spring element (4), the engagement element following an adjustment of the locking mass (3) and, in the event of a crash-induced adjustment of the locking mass (3), coming into engagement with the actuating mechanism (1) in such a manner that a crash-induced actuating operation is blocked or braked, and preferably in that the engagement element (6) is part of the spring element (4).
- Motor vehicle lock according to Claim 4, characterized in that the actuating mechanism (1) has an actuating lever (7), preferably an exterior actuating lever or an interior actuating lever, in that the raising of the pawl can be brought about by actuation of the actuating lever (7), and in that, upon an adjustment of the locking mass (3) caused by crash accelerations, the engagement element (6) comes into braking or blocking engagement with the actuating lever (7), and preferably in that the engagement element (6) is configured in the manner of a hook and, in the event of a crash, engages behind the actuating lever (7) in a blocking manner.
- Motor vehicle lock according to Claim 4 or 5, characterized in that, for the braking or blocking engagement with the actuating mechanism (1), the engagement element (6) requires an adjustment of the engagement element (6) in an engagement direction, and preferably in that a guide contour (9) is provided, said guide contour also converting an adjustment of the locking mass (3), which adjustment is oriented perpendicularly to the engagement direction, into an adjustment with a movement component in the engagement direction.
- Motor vehicle lock according to Claim 6, characterized in that the guide contour (9) has a guide edge or guide surface along which the spring element (4) or an element coupled to the spring element (4) slides upon an adjustment of the locking mass (3), which adjustment is oriented perpendicularly to the engagement direction, as a result of which the spring element (4) or the element coupled to the spring element (4) is deflected in the engagement direction (8).
- Motor vehicle lock according to Claim 6 or 7, characterized in that a crash acceleration emanating from the rear and/or from the front of the motor vehicle leads to a direct adjustment of the locking mass (3) and of the engagement element (6) in the engagement direction (8), and preferably in that a crash acceleration emanating from one of the two sides of the motor vehicle leads via the guide contour (9) to an indirect adjustment of the locking mass (3) and of the engagement element (6) in the engagement direction (8).
- Motor vehicle lock according to one of the preceding claims, characterized in that the locking mass (3) is placed, pressed, adhesively bonded or screwed onto the spring element (4), or in that the locking mass (3) is configured integrally with the spring element (4).
- Motor vehicle lock according to one of the preceding claims, characterized in that the spring element (4) is composed of a metal material, preferably of spring steel, or of a plastics material.
- Motor vehicle lock according to one of the preceding claims, characterized in that the spring element (4) has a circular cross section, or in that the spring element (4) is of strip-shaped configuration.
- Motor vehicle lock according to one of the preceding claims, characterized in that the spring element (4) is configured to be at least partially rectilinear, and/or in that the spring element (4) is configured to be only partially resiliently bendable and otherwise to be rigid.
- Motor vehicle lock according to Claim 4 and optionally according to one of Claims 5 to 12, characterized in that the locking mass (3) and/or the engagement element (6) are or is deflectable in all directions perpendicularly with respect to the longitudinal extent of the spring element (4), and preferably in that, in the event of a crash-induced adjustment of the engagement element (6) beyond a predetermined adjustment distance, the engagement element (6), irrespective of the adjustment direction, comes into engagement with the actuating mechanism (1) in such a manner that a crash-induced actuating operation is blocked or braked.
- Motor vehicle lock according to one of the preceding claims, characterized in that the engagement element (6) is part of the locking mass (3).
- Motor vehicle lock according to one of the preceding claims, characterized in that the actuating lever (7) or a lever coupled to the actuating lever (7) has a preferably circular recess (10) which engages behind the engagement element (6) in a blocking manner in the event of a crash.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202008007673U DE202008007673U1 (en) | 2008-06-09 | 2008-06-09 | Motor vehicle lock |
DE102008036356A DE102008036356A1 (en) | 2008-06-09 | 2008-08-05 | Motor vehicle lock |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2133495A2 EP2133495A2 (en) | 2009-12-16 |
EP2133495A3 EP2133495A3 (en) | 2011-07-27 |
EP2133495B1 true EP2133495B1 (en) | 2012-11-14 |
Family
ID=41212842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09003443A Active EP2133495B1 (en) | 2008-06-09 | 2009-03-10 | Motor vehicle lock |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2133495B1 (en) |
DE (2) | DE202008007673U1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11318892B2 (en) | 2019-04-19 | 2022-05-03 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. | Vehicle interior component |
US11466479B2 (en) | 2020-03-23 | 2022-10-11 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. | Vehicle interior component |
US11885171B2 (en) | 2018-12-04 | 2024-01-30 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. | Vehicle interior component |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009046380B4 (en) * | 2009-11-04 | 2014-03-20 | Lisa Dräxlmaier GmbH | Cover for closing an opening in a means of transport |
DE202009017667U1 (en) * | 2009-12-26 | 2011-05-05 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Motor vehicle lock arrangement |
FR2971283B1 (en) * | 2011-02-08 | 2013-03-01 | Coutier Moulage Gen Ind | OPENING CONTROL UNIT FOR A DOOR OF A VEHICLE |
DE202012002175U1 (en) * | 2012-03-06 | 2013-06-12 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Motor vehicle lock |
DE102013213934A1 (en) * | 2013-07-16 | 2015-01-22 | Kiekert Ag | Motor vehicle lock with position assurance and production |
DE102013110559A1 (en) | 2013-09-24 | 2015-03-26 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Hallstadt | Method for operating a motor vehicle lock arrangement |
US9611675B2 (en) | 2014-05-23 | 2017-04-04 | Brose Schliesssysteme Gmbh & Co. Kg | Motor vehicle door lock arrangement |
DE102014002168A1 (en) | 2014-02-19 | 2015-08-20 | Kiekert Aktiengesellschaft | Lock for a motor vehicle |
DE102015002053A1 (en) | 2014-02-24 | 2015-08-27 | Magna Closures Inc. | Lock for a door of a motor vehicle |
EP2980341B1 (en) | 2014-07-31 | 2019-11-06 | Brose Schliesssysteme GmbH & Co. KG | Motor vehicle door lock arrangement |
DE102017113880A1 (en) * | 2017-06-22 | 2018-12-27 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Motor vehicle lock |
DE102017125472A1 (en) | 2017-10-30 | 2019-05-02 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Motor vehicle lock |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19624640C1 (en) | 1996-06-20 | 1998-01-08 | Kiekert Ag | Vehicle doorlock with pivoting latch |
US6042159A (en) * | 1997-08-01 | 2000-03-28 | Adac Plastics, Inc. | Door handle assembly |
DE19806790B4 (en) * | 1998-02-19 | 2006-09-21 | Ewald Witte Gmbh & Co. Kg | Device on an actuating member, in particular a door handle assembly on a motor vehicle |
IT1309801B1 (en) * | 1999-05-07 | 2002-01-30 | Valeo Sicurezza Abitacolo Spa | HANDLE FOR A VEHICLE DOOR |
-
2008
- 2008-06-09 DE DE202008007673U patent/DE202008007673U1/en not_active Expired - Lifetime
- 2008-08-05 DE DE102008036356A patent/DE102008036356A1/en not_active Withdrawn
-
2009
- 2009-03-10 EP EP09003443A patent/EP2133495B1/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11885171B2 (en) | 2018-12-04 | 2024-01-30 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. | Vehicle interior component |
US11318892B2 (en) | 2019-04-19 | 2022-05-03 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. | Vehicle interior component |
US11466479B2 (en) | 2020-03-23 | 2022-10-11 | Shanghai Yanfeng Jinqiao Automotive Trim Systems Co. Ltd. | Vehicle interior component |
Also Published As
Publication number | Publication date |
---|---|
EP2133495A2 (en) | 2009-12-16 |
EP2133495A3 (en) | 2011-07-27 |
DE102008036356A1 (en) | 2009-12-10 |
DE202008007673U1 (en) | 2009-10-22 |
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