EP2366054A1 - Apparatus for a motor vehicle lock - Google Patents

Apparatus for a motor vehicle lock

Info

Publication number
EP2366054A1
EP2366054A1 EP09805905A EP09805905A EP2366054A1 EP 2366054 A1 EP2366054 A1 EP 2366054A1 EP 09805905 A EP09805905 A EP 09805905A EP 09805905 A EP09805905 A EP 09805905A EP 2366054 A1 EP2366054 A1 EP 2366054A1
Authority
EP
European Patent Office
Prior art keywords
pawl
motor vehicle
rotary latch
arm
catch
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.)
Granted
Application number
EP09805905A
Other languages
German (de)
French (fr)
Other versions
EP2366054B1 (en
Inventor
Holger Schiffer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kiekert AG
Original Assignee
Kiekert AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kiekert AG filed Critical Kiekert AG
Publication of EP2366054A1 publication Critical patent/EP2366054A1/en
Application granted granted Critical
Publication of EP2366054B1 publication Critical patent/EP2366054B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20—Bolts or detents
    • E05B85/24—Bolts rotating about an axis
    • E05B85/26—Cooperation between bolts and detents
    • 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
    • E05B77/36—Noise prevention; Anti-rattling means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1044—Multiple head
    • Y10T292/1045—Operating means
    • Y10T292/1047—Closure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1082—Motor

Definitions

  • the invention relates to a device for a motor vehicle lock, comprising at least one at least partially made of a non-metallic material rotary latch with at least one load arm, wherein the at least one load arm is at least partially made of a metallic material.
  • a motor vehicle lock is usually used in a motor vehicle for securing vehicle doors such as vehicle doors or tailgates, etc.
  • a motor vehicle door lock with a locking mechanism consisting essentially of a rotary latch and pawl wherein the locking mechanism is made essentially of plastic as a core material.
  • the locking particularly stressed areas of the catch or pawl are reinforced by a high-strength plastic or the catch and the pawl made entirely of this high-strength plastic.
  • this document discloses the arrangement of inserts made of this high-strength plastic in particularly stressed areas.
  • the disclosed locking mechanism has a rotary latch with two load arms, wherein in each case one load arm comprises a preliminary catch and main catch. As a result, comparatively large areas of the rotary latch are exposed to high loads, so that many areas of the rotary latch must be reinforced.
  • the object of the invention is therefore to at least partially solve the problems described with reference to the prior art and, in particular, to provide a device for a motor vehicle lock whose locking mechanism (rotary latch and / or pawl) has a comparatively low weight and at the same time a very high Has strength.
  • the actuation and / or the noise development while maintaining high safety aspects can be improved.
  • the device according to the invention for a motor vehicle lock comprises at least one rotary latch with a load arm, a rotary latch axis, an impact arm and a lock holder receptacle arranged between the load arm and the impact arm, wherein the load arm has a first metallic element and forms a preliminary catch and main catch.
  • the device has a lock case and a
  • Pawl with a cantilever arm, a pawl axle and a pawl latch is a feature that engages the pawl with a cantilever arm, a pawl axle and a pawl latch.
  • a load arm is understood by the person skilled in the art to mean that region of a rotary latch which is stressed in the main-load position or in the pre-engaged position by a force exiting from the lock holder.
  • the locking mechanism according to the invention has a catch with a load arm, wherein the load arm forms the pre-rest and the main catch.
  • the catch therefore has a load arm.
  • This load arm is (partially) made with metallic material, and in particular with plastic encapsulated.
  • Under a main stop position is that operating state of the rotary latch to understand in which the catch fully closed and a ⁇ ffiiungsterrorism the catch is prevented by a pawl.
  • the area of the rotary latch in which the pawl contacts the catch in the main latch position is referred to as the main latch.
  • a pre-locking position of the rotary latch is that operating state of the rotary latch in which the rotary latch is not yet fully closed, but already an opening movement of the rotary latch is prevented by a pawl. That portion of the catch which is contacted by the pawl in the pre-engaged position of the catch is referred to as a pre-ratchet.
  • the first metal element of the load arm of the rotary latch may, for example, be cast into the rotary latch and / or be adhesively secured to the load arm of the rotary latch or by other means. Preferred is an arrangement of the first metal element in a region of the load arm, which is particularly stressed.
  • the first metal element eg a plate-shaped stamped component
  • the rotary latch may have depressions or guide elements for the first metal element, for example to ensure an exact positioning of the first metal element on / in the rotary latch or on / in the load arm of the rotary latch.
  • a complete embodiment of the load arm can be provided from a first metal element, in which case the first metal element is preferably connected to the rotary latch in the vicinity of a rotary latch axis or elsewhere.
  • the first metal element should also form the rotary latch axis.
  • the pre-catch and / or main catch arranged on the load arm can preferably be designed at least partially or completely out of the first metal element.
  • the impact arm is that region of the rotary latch which is generally approximately opposite the load arm with respect to the lock holder receptacle and in which in the main latch Position and the pre-locking position by the pawl no force is initiated.
  • Preferred is a rotary latch, wherein the load arm with Vorrast and / or main catch and the rotary latch axis forming storage are formed by a single metal element.
  • the pawl has a boom with a pawl detent.
  • the cantilever arm eg opposite the pawl axis
  • a region is provided which cooperates with the catch in the main catch position and / or in the pre-latching position of the catch, thus blocking the opening movement causing the catch.
  • the cantilever arm of the pawl is formed from a non-metallic material. It is provided that the cantilever arm (in particular also together with the pawl forming the bearing) of the pawl is formed of a non-metallic material. In addition, however, the pawl detent again locally strengthened - especially there metallic - be executed.
  • the impact arm of the rotary latch consists of a non-metallic material.
  • the impact arm is the part of the catch which the lock holder strikes during the closing process. This is, based on the lock holder receptacle, opposite of the load arm. Due to the configuration of the impact arm of a non-metallic material, such as preferred z. As plastic, the weight of the catch can be significantly reduced. Nevertheless, the stability of the rotary latch is substantially not reduced by the load arm consisting at least partially of a metallic material (first metal element). According to a further advantageous embodiment of the invention, the pawl detent of the pawl on a second metallic element.
  • This second metal element is preferably cast into the pawl in the region of the pawl latch and / or adhesively attached to the pawl or by other means.
  • the pawl has at least one recess or at least one guide element in order, for example, to fasten the second metal element in an exact position on the pawl, if possible.
  • the second metal element need not only be limited to the area of the pawl latch, but may extend at least partially over the pawl. Depending on the design of the pawl geometry, the second metal element should extend at least over the areas of the pawl that are subjected to high stress during the various phases of operation of the motor vehicle lock.
  • the pawl detent of the pawl may be partially or completely formed by the second metal member with the (separate) second metal member secured to the pawl.
  • the second metal element preferably consists of a high-strength alloy, of steel or of hardened steel, and has the lowest possible surface roughness.
  • the second metal element has in particular a thickness of 4 mm to 6 mm, preferably a thickness of essentially 5 mm.
  • the second metal element on a trigger surface may be, for example, an elevation of the second metal element.
  • the trigger surface is designed so that a force can be introduced via the trigger surface into the pawl during the pre-latching position of the rotary latch and / or during the main latching position of the rotary latch so that the pawl is pivoted away from the rotary latch.
  • the actuation of the Tripping surface is carried out regularly by other functional elements of the motor vehicle lock, such. B. by so-called release lever.
  • the lock case has a support for the locking pawl.
  • This support is preferably designed such that it introduces a force into the pawl in the main catch position of the catch in the direction of the pawl axis of the pawl, so that the pawl axis is substantially free of load during the lock operation.
  • the pawl axis thus essentially provides (only) a guide function for the pawl in lock operation, the forces acting on the pawl are essentially derived via the support of the lock case (eg in the manner of an abutment).
  • the part of the lock case, which forms this support can be designed with a spring element and / or a friction layer.
  • a motor vehicle comprising at least one motor vehicle door with a motor vehicle lock with a device according to the invention.
  • Fig. 1 a device for a motor vehicle
  • Fig. 2 a motor vehicle with a motor vehicle lock.
  • the rotary latch 3 forms a Schlosshalterholzhahme 16 which is formed between a crash arm 15 and a load arm 4 and for fixing a the body-mounted lock holder is used.
  • the load arm also forms a preliminary catch 5 and a main catch 6 of the rotary latch 3, wherein the load arm 4 extends in each case starting from the preliminary catch 5 and the main catch 6 to the rotary latch axis 14.
  • a first plate-like metal element 9 is arranged in this exemplary embodiment.
  • Fig. 1 shows a rotatably mounted on a pawl axis 18 pawl 7, which contacts the main catch 6 of the rotary latch 3 via the pawl detent 8 of the boom 17.
  • a second metal element 10 is arranged, which extends from the pawl latch 8 over particularly stressed areas of the pawl 7.
  • this second metal element 10 has a trigger surface 11, via which a force can be introduced in the direction of the rotary latch 3 onto the pawl 7.
  • FIG. 2 shows a motor vehicle 13 with a motor vehicle door 20, comprising a motor vehicle lock 2 with a device 1 according to the invention.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

The invention relates to an apparatus (1) for a motor vehicle lock (2), comprising at least one rotary latch (3) having a rotary latch axis (14), a load arm (4), an impact arm (15), and a lock holder receptacle (16) arranged between the load arm and the impact arm, wherein the load arm has a first metal element (9) and forms a preliminary catch (5) and main catch (6). The apparatus further has a lock case (19) and a pawl (7) having a boom arm (17), a pawl axis (18), and a pawl catch (8).

Description

Vorrichtung für ein Kraftfahrzeugschloss Device for a motor vehicle lock
Die Erfindung betrifft eine Vorrichtung für ein Kraftfahrzeugschloss, aufweisend zumindest eine zumindest teilweise aus einem nicht-metallischen Material bestehende Drehfalle mit zumindest einem Lastarm, wobei der zumindest eine Lastarm zumindest teilweise aus einem metallischen Material besteht. Ein solches Kraftfahrzeugschloss wird üblicherweise in einem Kraftfahrzeug zum Sichern von Fahrzeugklappen wie Fahrzeugtüren oder Heckklappen etc. angewendet.The invention relates to a device for a motor vehicle lock, comprising at least one at least partially made of a non-metallic material rotary latch with at least one load arm, wherein the at least one load arm is at least partially made of a metallic material. Such a motor vehicle lock is usually used in a motor vehicle for securing vehicle doors such as vehicle doors or tailgates, etc.
Aus der DE 20 2006 018 500 Ul ist beispielsweise ein Kraftfahrzeugtürverschluss mit einem Gesperre aus im Wesentlichen einer Drehfalle und Sperrklinke bekannt, wobei das Gesperre im Wesentlichen aus Kunststoff als Kernmaterial gefertigt ist. Bei diesem Gesperre werden besonders beanspruchte Bereiche der Drehfalle oder Sperrklinke durch einen hochfesten Kunststoff verstärkt oder die Drehfalle und die Sperrklinke vollständig aus diesem hochfesten Kunststoff gefertigt. Zudem offenbart dieses Dokument die Anordnung von Einlegeteilen aus diesem hochfesten Kunststoff in besonders beanspruchten Bereichen. Das offenbarte Gesperre weist eine Drehfalle mit zwei Lastarmen auf, wobei jeweils ein Lastarm eine Vorrast und Hauptrast umfasst. Dadurch sind vergleichsweise große Bereiche der Drehfalle hohen Belastungen ausgesetzt, so dass viele Bereiche der Drehfalle verstärkt werden müssen.From DE 20 2006 018 500 Ul, for example, a motor vehicle door lock with a locking mechanism consisting essentially of a rotary latch and pawl is known, wherein the locking mechanism is made essentially of plastic as a core material. In this locking particularly stressed areas of the catch or pawl are reinforced by a high-strength plastic or the catch and the pawl made entirely of this high-strength plastic. In addition, this document discloses the arrangement of inserts made of this high-strength plastic in particularly stressed areas. The disclosed locking mechanism has a rotary latch with two load arms, wherein in each case one load arm comprises a preliminary catch and main catch. As a result, comparatively large areas of the rotary latch are exposed to high loads, so that many areas of the rotary latch must be reinforced.
Aufgabe der Erfindung ist es daher, die mit Bezug auf den Stand der Technik ge- schilderten Probleme zumindest teilweise zu lösen und insbesondere eine Vorrichtung für ein Kraftfahrzeugschloss anzugeben, deren Gesperre (Drehfalle und/oder Sperrklinke) ein vergleichsweise geringes Gewicht und gleichzeitig eine sehr hohe Festigkeit aufweist. Außerdem soll zusätzlich ggf. der Betätigungskom- fort und/oder die Geräuschentwicklung bei gleichzeitiger Einhaltung hoher Sicherheitsaspekte (z. B. im Crashfall) verbessert werden.The object of the invention is therefore to at least partially solve the problems described with reference to the prior art and, in particular, to provide a device for a motor vehicle lock whose locking mechanism (rotary latch and / or pawl) has a comparatively low weight and at the same time a very high Has strength. In addition, if necessary, the actuation and / or the noise development while maintaining high safety aspects (eg in the event of a crash) can be improved.
Diese Aufgaben werden gelöst mit einer Vorrichtung gemäß den Merkmalen des Patentanspruchs 1. Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den abhängig formulierten Patentansprüchen angegeben. Es ist darauf hinzuweisen, dass die in den abhängig formulierten Patentansprüchen einzeln aufgeführten Merkmale in beliebiger, technologisch sinnvoller, Weise miteinander kombiniert werden und weitere Ausgestaltungen der Erfindung definieren. Darüber hinaus werden die in den Patentansprüchen angegebenen Merkmale in der Beschreibung näher präzisiert und erläutert, wobei weitere bevorzugte Ausgestaltungen der Erfindung dargestellt werden.These objects are achieved with a device according to the features of claim 1. Further advantageous embodiments of the invention are specified in the dependent formulated claims. It should be noted that the features listed individually in the dependent formulated claims are combined in arbitrary, technologically meaningful way with each other and define further embodiments of the invention. In addition, the features specified in the claims are specified and explained in more detail in the description, wherein further preferred embodiments of the invention are shown.
Die erfindungsgemäße Vorrichtung für ein Kraftfahrzeugschloss umfasst zumin- dest eine Drehfalle mit einen Lastarm, eine Drehfallenachse, einen Aufprallarm und eine zwischen Lastarm und Aufprallarm angeordnete Schlosshalteraufhahme, wobei der Lastarm ein erstes metallisches Element aufweist sowie eine Vorrast und Hauptrast bildet. Weiter hat die Vorrichtung einen Schlosskasten sowie eineThe device according to the invention for a motor vehicle lock comprises at least one rotary latch with a load arm, a rotary latch axis, an impact arm and a lock holder receptacle arranged between the load arm and the impact arm, wherein the load arm has a first metallic element and forms a preliminary catch and main catch. Next, the device has a lock case and a
Sperrklinke mit einem Auslegerarm, einer Sperrklinkenachse und einer Sperrklin- kenrast.Pawl with a cantilever arm, a pawl axle and a pawl latch.
Unter einem Lastarm versteht der Fachmann denjenigen Bereich einer Drehfalle, der in der Hauptrast-Stellung oder in der Vorrast-Stellung durch eine Kraft ausgehend vom Schlosshalter beansprucht wird. Das erfindungsgemäße Gesperre weist eine Drehfalle mit einem Lastarm auf, wobei der Lastarm die Vorrast und die Hauptrast bildet. Die Drehfalle weist folglich einen Lastarm auf. Dieser Lastarm ist (teilweise) mit metallischem Material gefertigt, und insbesondere mit Kunststoff umgössen. Unter einer Hauptrast-Stellung ist derjenige Betriebszustand der Drehfalle zu verstehen, bei dem die Drehfalle vollständig geschlossen und eine Öffiiungsbewegung der Drehfalle durch eine Sperrklinke verhindert ist. Der Bereich der Drehfalle, in dem die Sperrklinke die Drehfalle in der Hauptrast-Stellung kontaktiert, wird als Hauptrast bezeichnet. Unter einer Vorrast-Stellung der Drehfalle ist derjenige Betriebszustand der Drehfalle zu verstehen, bei dem die Dreh- falle noch nicht vollständig geschlossen ist, jedoch bereits eine Öffiiungsbewegung der Drehfalle durch eine Sperrklinke verhindert wird. Derjenige Bereich der Drehfalle, der von der Sperrklinke in der Vorrast-Stellung der Drehfalle kontaktiert wird, wird als Vorrast bezeichnet.A load arm is understood by the person skilled in the art to mean that region of a rotary latch which is stressed in the main-load position or in the pre-engaged position by a force exiting from the lock holder. The locking mechanism according to the invention has a catch with a load arm, wherein the load arm forms the pre-rest and the main catch. The catch therefore has a load arm. This load arm is (partially) made with metallic material, and in particular with plastic encapsulated. Under a main stop position is that operating state of the rotary latch to understand in which the catch fully closed and a Öffiiungsbewegung the catch is prevented by a pawl. The area of the rotary latch in which the pawl contacts the catch in the main latch position is referred to as the main latch. A pre-locking position of the rotary latch is that operating state of the rotary latch in which the rotary latch is not yet fully closed, but already an opening movement of the rotary latch is prevented by a pawl. That portion of the catch which is contacted by the pawl in the pre-engaged position of the catch is referred to as a pre-ratchet.
Das erste Metallelement des Lastarms der Drehfalle kann beispielsweise in die Drehfalle eingegossen und/oder auch auf den Lastarm der Drehfalle adhäsiv oder durch andere Mittel befestigt sein. Bevorzugt ist eine Anordnung des ersten Metallelements in einem Bereich des Lastarms, der besonders beansprucht wird. Das erste Metallelement (z. B. ein plattenformiges Stanzbauteil) weist insbesondere eine Dicke von 4 mm bis 6 mm, bevorzugt eine Dicke von im Wesentlichen 5 mm auf und bestellt insbesondere aus einer hochfesten Legierung aus Stahl oder aus gehärtetem Stahl und weist eine möglichst geringe Oberflächenrauhigkeit auf. Darüber hinaus kann die Drehfalle Vertiefungen oder Führungselemente für das erste Metallelement aufweisen, um beispielsweise eine exakte Positionierung des ersten Metallelementes auf/in der Drehfalle bzw. auf/in dem Lastarm der Drehfalle zu gewährleisten. Ebenfalls kann eine vollständige Ausgestaltung des Lastarms aus einem ersten Metallelement vorgesehen sein, wobei in diesem Fall das erste Metallelement bevorzugt in der Nähe einer Drehfallenachse oder an anderer Stelle der Drehfall an die Drehfalle angeschlossen ist. Zudem sollte das erste Metallelement auch die Drehfallenachse bilden. Des Weiteren kann die an dem Lastarm angeordnete Vorrast und/oder Hauptrast bevorzugt zumindest teilweise oder vollständig aus dem ersten Metallelement ausgeführt sein. Der Aufprallarm ist derjenige Bereich der Drehfalle, der dem Lastarm in Bezug auf die Schlosshalteraufnahme in der Regel in etwa gegenüber liegt und in den in der Hauptrast- Stellung und der Vorrast-Stellung durch die Sperrklinke keine Kraft eingeleitet wird. Bevorzugt ist eine Drehfalle, wobei der Lastarm mit Vorrast und/oder Hauptrast und die die Drehfallenachse bildende Lagerung von einem einzigen Metallelement gebildet sind.The first metal element of the load arm of the rotary latch may, for example, be cast into the rotary latch and / or be adhesively secured to the load arm of the rotary latch or by other means. Preferred is an arrangement of the first metal element in a region of the load arm, which is particularly stressed. The first metal element (eg a plate-shaped stamped component) has, in particular, a thickness of 4 mm to 6 mm, preferably a thickness of substantially 5 mm and, in particular, is made of a high-strength alloy of steel or hardened steel and has the lowest possible thickness Surface roughness on. In addition, the rotary latch may have depressions or guide elements for the first metal element, for example to ensure an exact positioning of the first metal element on / in the rotary latch or on / in the load arm of the rotary latch. Likewise, a complete embodiment of the load arm can be provided from a first metal element, in which case the first metal element is preferably connected to the rotary latch in the vicinity of a rotary latch axis or elsewhere. In addition, the first metal element should also form the rotary latch axis. Furthermore, the pre-catch and / or main catch arranged on the load arm can preferably be designed at least partially or completely out of the first metal element. The impact arm is that region of the rotary latch which is generally approximately opposite the load arm with respect to the lock holder receptacle and in which in the main latch Position and the pre-locking position by the pawl no force is initiated. Preferred is a rotary latch, wherein the load arm with Vorrast and / or main catch and the rotary latch axis forming storage are formed by a single metal element.
Außerdem hat die Sperrklinke einen Auslegerarm mit einer Sperrklinkenrast. Das heißt mit anderen Worten, dass mit dem Auslegerarm (z. B. gegenüberliegend zur Sperrklinkenachse) ein Bereich vorgesehen ist, der in der Hauptrast-Stellung und/oder in der Vorrast-Stellung der Drehfalle mit der Drehfalle zusammenwirkt, also eine Blockierung der Öffhungsbewegung der Drehfalle verursacht.In addition, the pawl has a boom with a pawl detent. In other words, with the cantilever arm (eg opposite the pawl axis) a region is provided which cooperates with the catch in the main catch position and / or in the pre-latching position of the catch, thus blocking the opening movement causing the catch.
Gemäß einer vorteilhaften Weiterbildung ist der Auslegerarm der Sperrklinke aus einem, nicht-metallischem Material gebildet. Dabei ist vorgesehen, dass der Auslegerarm (insbesondere auch samt der die Sperrklinke bildende Lagerung) der Sperrklinke aus einem nicht-metallischem Material gebildet ist. Daneben kann aber die Sperrklinkenrast wieder lokal verstärkt - insbesondere dort metallisch - ausgeführt sein.According to an advantageous embodiment of the cantilever arm of the pawl is formed from a non-metallic material. It is provided that the cantilever arm (in particular also together with the pawl forming the bearing) of the pawl is formed of a non-metallic material. In addition, however, the pawl detent again locally strengthened - especially there metallic - be executed.
Besonders vorteilhaft ist es, wenn der Aufprallarm der Drehfalle aus einem nicht- metallischen Material besteht. Der Aufprallarm ist der Teil der Drehfalle, auf den der Schlosshalter beim Schließvorgang auftrifft. Dieser liegt, bezogen auf die Schlosshalteraufnahme, gegenüberliegend vom Lastarm. Durch die Ausgestaltung des Aufprallarms aus einem nicht-metallischen Material, wie bevorzugt z. B. aus Kunststoff, kann das Gewicht der Drehfalle signifikant verringert werden. Gleichwohl wird die Stabilität der Drehfalle durch den zumindest teilweise aus einem metallischen Material (erstes Metallelement) bestehenden Lastarm im Wesentlichen nicht verringert. Gemäß einer weiteren vorteilhaften Ausgestaltung der Erfindung weist die Sperrklinkenrast der Sperrklinke ein zweites metallisches Element auf. Dieses zweite Metallelement ist bevorzugt im Bereich der Sperrklinkenrast in die Sperrklinke eingegossen und/oder auf der Sperrklinke adhäsiv oder durch andere Mittel befe- stigt. Weiterhin ist erfindungsgemäß, dass die Sperrklinke zumindest eine Ausnehmung oder zumindest ein Führungselement aufweist, um das zweite Metallelement beispielsweise möglichst in einer exakten Position auf der Sperrklinke befestigen zu können. Hier sei zudem festgehalten, dass das zweite Metallelement nicht nur auf den Bereich der Sperrklinkenrast begrenzt sein muss, sondern sich zumindest teilweise über die Sperrklinke erstrecken kann. Je nach Ausgestaltung der Sperrklinkengeometrie sollte sich das zweite Metallelement zumindest über die Bereiche der Sperrklinke erstrecken, die während den verschiedenen Betriebsphasen des Kraftfahrzeugschlosses hoch beansprucht werden. Darüber hinaus kann die Sperrklinkenrast der Sperrklinke teilweise oder vollständig durch das zweite Metallelement gebildet werden, wobei das (separate) zweite Metallelement an der Sperrklinke befestigt ist. Bevorzugt besteht das zweite Metallelement aus einer hochfesten Legierung, aus Stahl oder aus gehärtetem Stahl, und weist eine möglichst geringe Oberflächenrauhigkeit auf. Das zweite Metallelement weist insbesondere eine Dicke von 4 mm bis 6 mm, bevorzugt eine Dicke von im We- sentlichen 5 mm auf.It is particularly advantageous if the impact arm of the rotary latch consists of a non-metallic material. The impact arm is the part of the catch which the lock holder strikes during the closing process. This is, based on the lock holder receptacle, opposite of the load arm. Due to the configuration of the impact arm of a non-metallic material, such as preferred z. As plastic, the weight of the catch can be significantly reduced. Nevertheless, the stability of the rotary latch is substantially not reduced by the load arm consisting at least partially of a metallic material (first metal element). According to a further advantageous embodiment of the invention, the pawl detent of the pawl on a second metallic element. This second metal element is preferably cast into the pawl in the region of the pawl latch and / or adhesively attached to the pawl or by other means. Furthermore, according to the invention, the pawl has at least one recess or at least one guide element in order, for example, to fasten the second metal element in an exact position on the pawl, if possible. It should also be noted here that the second metal element need not only be limited to the area of the pawl latch, but may extend at least partially over the pawl. Depending on the design of the pawl geometry, the second metal element should extend at least over the areas of the pawl that are subjected to high stress during the various phases of operation of the motor vehicle lock. In addition, the pawl detent of the pawl may be partially or completely formed by the second metal member with the (separate) second metal member secured to the pawl. The second metal element preferably consists of a high-strength alloy, of steel or of hardened steel, and has the lowest possible surface roughness. The second metal element has in particular a thickness of 4 mm to 6 mm, preferably a thickness of essentially 5 mm.
Gemäß einer weiteren vorteilhaften Ausgestaltung der Erfindung weist das zweite Metallelement eine Auslösefläche auf. Bei dieser Auslösefläche kann es sich beispielsweise um eine Erhebung des zweiten Metallelementes handeln. Auf jeden Fall ist die Auslösefläche so gestaltet, dass über die Auslösefläche in die Sperrklinke während der Vorrast-Stellung der Drehfalle und/oder während der Hauptrast-Stellung der Drehfalle dahingehend eine Kraft eingeleitet werden kann, dass die Sperrklinke von der Drehfalle weg verschwenkt wird. Die Betätigung der Auslösefläche erfolgt dabei regelmäßig durch weitere Funktionselemente des Kraftfahrzeugschlosses, wie z. B. durch so genannte Auslösehebel.According to a further advantageous embodiment of the invention, the second metal element on a trigger surface. This triggering surface may be, for example, an elevation of the second metal element. In any case, the trigger surface is designed so that a force can be introduced via the trigger surface into the pawl during the pre-latching position of the rotary latch and / or during the main latching position of the rotary latch so that the pawl is pivoted away from the rotary latch. The actuation of the Tripping surface is carried out regularly by other functional elements of the motor vehicle lock, such. B. by so-called release lever.
Ferner ist es vorteilhaft, wenn der Schlosskasten eine Abstützung für die Sperr- klinke aufweist. Diese Abstützung ist bevorzugt so ausgestaltet, dass diese in der Hauptrast-Stellung der Drehfalle in Richtung der Sperrklinkenachse der Sperr- klinke eine Kraft in die Sperrklinke einleitet, so dass die Sperrklinkenachse während des Schlossbetriebs im Wesentlichen lastfrei ist. Die Sperrklinkenachse stellt im Schlossbetrieb also im Wesentlichen (nur) eine Führungsfunktion für die Sperrklinke bereit, die auf die Sperrklinke einwirkende Kräfte werden im Wesentlichen über die Abstützung des Schlosskastens abgeleitet (z. B. nach Art eines Widerlagers). Der Teil des Schlosskastens, der diese Abstützung ausformt, kann mit einem Federelement und/oder einer Reibschicht ausgeführt sein.Furthermore, it is advantageous if the lock case has a support for the locking pawl. This support is preferably designed such that it introduces a force into the pawl in the main catch position of the catch in the direction of the pawl axis of the pawl, so that the pawl axis is substantially free of load during the lock operation. The pawl axis thus essentially provides (only) a guide function for the pawl in lock operation, the forces acting on the pawl are essentially derived via the support of the lock case (eg in the manner of an abutment). The part of the lock case, which forms this support, can be designed with a spring element and / or a friction layer.
Besonders vorteilhaft ist ein Kraftfahrzeug, aufweisend zumindest eine Kraftfahrzeugtür mit einem Kraftfahrzeugschloss mit einer erfindungsgemäßen Vorrichtung.Particularly advantageous is a motor vehicle, comprising at least one motor vehicle door with a motor vehicle lock with a device according to the invention.
Auch wenn die Erfindung hier stets im Zusammenhang mit der gesamten Vor- richtung dargestellt ist, können die hier einzelnen Merkmale (ggf. in geeigneten Kombinationen) zu den Gesperre-Bauteilen (Drehfalle und/oder Sperrklinke) auch separat eine Erfindung begründen.Although the invention is always illustrated here in connection with the entire device, the individual features here (possibly in suitable combinations) can also constitute an invention separately for the ratchet components (rotary latch and / or pawl).
Die Erfindung sowie das technische Umfeld werden anhand der Figuren näher erläutert. Es ist darauf hinzuweisen, dass die in den Figuren veranschaulichten Ausführungsbeispiele die Erfindung nicht beschränken. Es zeigen schematisch:The invention and the technical environment will be explained in more detail with reference to FIGS. It should be noted that the embodiments illustrated in the figures do not limit the invention. They show schematically:
Fig. 1 : eine Vorrichtung für ein Kraftfahrzeug, und Fig. 2: ein Kraftfahrzeug mit einem Kraftfahrzeugschloss.Fig. 1: a device for a motor vehicle, and Fig. 2: a motor vehicle with a motor vehicle lock.
Fig. 1 zeigt nun eine Vorrichtung 1 für ein Kraftfahrzeugschloss 2, aufweisend einen Schlosskasten 19, eine Drehfalle 3 und eine Sperrklinke 7. Die Drehfalle 3 bildet eine Schlosshalteraufhahme 16, die zwischen einem Aufprallarm 15 und einem Lastarm 4 ausgebildet ist und zur Fixierung eines an der Karosserie befestigten Schlosshalters dient. Der Lastarm formt zudem eine Vorrast 5 und eine Hauptrast 6 der Drehfalle 3, wobei der Lastarm 4 sich jeweils ausgehend von der Vorrast 5 und der Hauptrast 6 bis zur Drehfallenachse 14 erstreckt. In dem Lastarm 4 ist in diesem Ausfuhrungsbeispiel ein erstes plattenartiges Metallelement 9 angeordnet.1 shows a device 1 for a motor vehicle lock 2, comprising a lock case 19, a rotary latch 3 and a pawl 7. The rotary latch 3 forms a Schlosshalteraufhahme 16 which is formed between a crash arm 15 and a load arm 4 and for fixing a the body-mounted lock holder is used. The load arm also forms a preliminary catch 5 and a main catch 6 of the rotary latch 3, wherein the load arm 4 extends in each case starting from the preliminary catch 5 and the main catch 6 to the rotary latch axis 14. In the load arm 4, a first plate-like metal element 9 is arranged in this exemplary embodiment.
Darüber hinaus zeigt Fig. 1 eine auf einer Sperrklinkenachse 18 drehbar gelagerte Sperrklinke 7, die die Hauptrast 6 der Drehfalle 3 über die Sperrklinkenrast 8 des Auslegerarms 17 kontaktiert. Im Bereich der Sperrklinkenrast 8 ist ein zweites Metallelement 10 angeordnet, das sich ausgehend von der Sperrklinkenrast 8 über besonders beanspruchte Bereiche der Sperrklinke 7 erstreckt. Des Weiteren weist dieses zweite Metallelement 10 eine Auslösefläche 11 auf, über die in Richtung der Drehfalle 3 auf die Sperrklinke 7 eine Kraft eingeleitet werden kann.In addition, Fig. 1 shows a rotatably mounted on a pawl axis 18 pawl 7, which contacts the main catch 6 of the rotary latch 3 via the pawl detent 8 of the boom 17. In the region of the pawl latch 8, a second metal element 10 is arranged, which extends from the pawl latch 8 over particularly stressed areas of the pawl 7. Furthermore, this second metal element 10 has a trigger surface 11, via which a force can be introduced in the direction of the rotary latch 3 onto the pawl 7.
Im Weiteren zeigt Fig. 1 eine Abstützung 12 des Schlosskastens 19, die die Sperrklinke 7 kontaktiert, während die Sperrklinke 7 mit der Hauptrast 6 der Drehfalle 3 in Eingriff steht.1 shows a support 12 of the lock case 19, which contacts the pawl 7, while the pawl 7 is in engagement with the main catch 6 of the rotary latch 3.
Fig. 2 zeigt ein Kraftfahrzeug 13 mit einer Kraftfahrzeugtür 20, aufweisend ein Kraftfahrzeugschloss 2 mit einer erfmdungsgemäßen Vorrichtung 1. Bezugszeichenliste2 shows a motor vehicle 13 with a motor vehicle door 20, comprising a motor vehicle lock 2 with a device 1 according to the invention. LIST OF REFERENCE NUMBERS
Vorrichtungcontraption
KraftfahrzeugschlossMotor vehicle lock
Drehfallecatch
Lastarmload arm
Vorrastfirst position
Hauptrastprimary position
Sperrklinkepawl
Sperrklinkenrast erstes Metallelement zweites MetallelementPawl catch first metal element second metal element
Auslöseflächeactivation surface
Abstützungsupport
Kraftfahrzeugmotor vehicle
DrehfallenachseRotary latch axis
AufprallarmAufprallarm
SchlosshalteraufhahmeSchlosshalteraufhahme
Auslegerarmboom
SperrklinkenachsePawl axis
Schlosskastenlock case
Kraftfahrzeugtür Motor vehicle door

Claims

Patentansprüche claims
1. Vorrichtung (1) für ein Kraftfahrzeugschloss (2), aufweisend zumindest eine Drehfalle (3) mit einer Drehfallenachse (14), einem Lastarm (4), einem Aufprallarm (15) und einer zwischen Lastarm (4) und Aufprallarm (15) angeordneten Schlosshalteraufhahme (16), wobei der Lastarm (4) ein erstes metallisches Element (9) aufweist und eine Vorrast (5) sowie Hauptrast (6) bildet, und die Vorrichtung (1) weiter einen Schlosskasten (19) sowie eine1. Device (1) for a motor vehicle lock (2), comprising at least one rotary latch (3) with a rotary latch axle (14), a load arm (4), an impact arm (15) and between load arm (4) and impact arm (15) arranged Schlosshalteraufhahme (16), wherein the load arm (4) has a first metallic element (9) and a Vorrast (5) and main catch (6), and the device (1) further comprises a lock case (19) and a
Sperrklinke (7) mit einem Auslegerarm (17), einer Sperrklinkenachse (18) und einer Sperrklinkenrast (8) hat.Pawl (7) with a boom arm (17), a pawl axis (18) and a pawl detent (8) has.
2. Vorrichtung (1) für ein Kraftfahrzeugschloss (2) nach Patentanspruch 1, wobei der Auslegerarm (17) der Sperrklinke (7) aus einem nichtmetallischem Material gebildet ist.2. Device (1) for a motor vehicle lock (2) according to claim 1, wherein the cantilever arm (17) of the pawl (7) is formed of a non-metallic material.
3. Vorrichtung (1) für ein Kraftfahrzeugschloss (2) nach einem der vorgehenden Patentansprüche, wobei der Aufprallarm (15) der Drehfalle (3) aus ei- nem nicht-metallischen Material besteht.3. Device (1) for a motor vehicle lock (2) according to one of the preceding claims, wherein the impact arm (15) of the rotary latch (3) consists of a non-metallic material.
4. Vorrichtung (1) für ein Kraftfahrzeugschloss (2) nach einem der vorgehenden Patentansprüche, wobei die Sperrklinkenrast (8) der Sperrklinke (7) ein zweites metallisches Element (10) aufweist.4. Device (1) for a motor vehicle lock (2) according to one of the preceding claims, wherein the pawl detent (8) of the pawl (7) has a second metallic element (10).
5. Vorrichtung (1) für ein Kraftfahrzeugschloss (2) nach Patentanspruch 3, wobei das zweite Metallelement (10) der Sperrklinkenrast (8) der Sperrklin- ke (7) eine Auslösefläche (11) aufweist. 5. Device (1) for a motor vehicle lock (2) according to claim 3, wherein the second metal element (10) of the pawl detent (8) of the pawl ke (7) has a trigger surface (11).
6. Vorrichtung (1) für ein Kraftfahrzeugschloss (2) nach einem der vorgehenden Ansprüche, wobei der Schlosskasten (19) eine Abstützung (12) für die Sperrklinke (7) aufweist.6. Device (1) for a motor vehicle lock (2) according to one of the preceding claims, wherein the lock case (19) has a support (12) for the pawl (7).
7. Kraftfahrzeug (13), aufweisend zumindest eine Kraftfahrzeugtür (20) mit einem Kraftfahrzeugschloss (2) mit einer Vorrichtung (1) nach einem der vorhergehenden Patentansprüche. 7. Motor vehicle (13), comprising at least one motor vehicle door (20) with a motor vehicle lock (2) with a device (1) according to one of the preceding claims.
EP20090805905 2008-12-17 2009-12-03 Apparatus for a motor vehicle lock Active EP2366054B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810063489 DE102008063489A1 (en) 2008-12-17 2008-12-17 Device for a motor vehicle lock
PCT/DE2009/001725 WO2010075832A1 (en) 2008-12-17 2009-12-03 Apparatus for a motor vehicle lock

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EP2366054A1 true EP2366054A1 (en) 2011-09-21
EP2366054B1 EP2366054B1 (en) 2014-06-25

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DE (1) DE102008063489A1 (en)
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WO2010075832A1 (en) 2010-07-08
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DE102008063489A1 (en) 2010-06-24
US20110193353A1 (en) 2011-08-11

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