EP1620617A1 - Motor vehicle door lock - Google Patents

Motor vehicle door lock

Info

Publication number
EP1620617A1
EP1620617A1 EP04730481A EP04730481A EP1620617A1 EP 1620617 A1 EP1620617 A1 EP 1620617A1 EP 04730481 A EP04730481 A EP 04730481A EP 04730481 A EP04730481 A EP 04730481A EP 1620617 A1 EP1620617 A1 EP 1620617A1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
vehicle door
door lock
rotary latch
leg
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
EP04730481A
Other languages
German (de)
French (fr)
Other versions
EP1620617B1 (en
Inventor
Ludger Graute
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 EP1620617A1 publication Critical patent/EP1620617A1/en
Application granted granted Critical
Publication of EP1620617B1 publication Critical patent/EP1620617B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • E05B77/36—Noise prevention; Anti-rattling means
    • E05B77/38—Cushion elements, elastic guiding elements or holding elements, e.g. for cushioning or damping the impact of the bolt against the striker during closing of the wing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • 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
    • 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
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/56—Silencers
    • 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

Definitions

  • the invention relates to a motor vehicle door lock, with a locking mechanism consisting essentially of a rotary latch and pawl, and with a locking bolt which enters an inlet mouth and cooperates with the rotary latch, the inlet mouth having at least one damper element for the locking bolt.
  • a motor vehicle door lock of the configuration described at the outset is disclosed in the context of EP 0 336 034 A2 or WO 95/10679 AI.
  • the damper element ensures that the locking bolt entering the intake mouth in the reference system of the motor vehicle door lock and finally held in place by the rotary latch in its main latching position is fixed in this position to reduce noise.
  • there is a relative movement between the locking bolt and the inlet mouth the locking bolt usually being fastened to a motor vehicle body, whereas a motor vehicle door and, with it, the associated motor vehicle door lock are moved.
  • a ratchet can be opened electrically, for example, by lifting the pawl by motor or otherwise, so that the catch is released and rotates about its axis with the aid of a spring.
  • separate stops can be implemented in the lock housing. Overall, this is expensive.
  • the invention is based on the technical problem of further developing a motor vehicle door lock of the design described at the outset in such a way that the structure is simplified and in particular the number of required components is reduced.
  • a generic motor vehicle door lock is characterized in that the damper element also functions as a damper for the rotary latch. This means that the damper element performs a double function. On the one hand as a noise-reducing stop for the locking bolt and on the other hand as a damper for the rotary latch.
  • a stop or end stop may additionally be provided in the lock case or lock housing.
  • the damper element or the damper for the rotary latch can also act as a stop and limit opening movements of the rotary latch. That is, the previously described and regular Rotary movements of the rotary latch moderately associated with an electrical or mechanical opening of the locking mechanism after the blocking pawls have been lifted are limited either by the separate stop or end stop or by the damper element.
  • the rotary latch not only experiences a fixation during its opening movement and is positioned in the open state, so to speak, but the damper simultaneously ensures that the rotary latch does not move directly against a hard limit during the opening process described, but rather in its movement is steamed.
  • the damper element ensures that the rotary latch positioned in its open position is acoustically decoupled from an obligatory lock housing, so that rattling noises do not occur.
  • the electrical opening or otherwise initiated opening movements of the rotary latch are associated with a noise when driving against a stop. In fact, such impact noises are completely prevented by the damper element.
  • the damper element As an L-shaped insert for the inlet mouth.
  • One L-leg of the L-shaped damper element may be designed as a holding leg and the other L-leg as a damper leg for the locking bolt and the catch.
  • the damper leg provides both a stop for the locking bolt and a stop for the rotary latch.
  • the damper leg has a locking pin stop surface on the inside and a rotary latch stop surface on the outside.
  • the striker stop surface is located on the end of the inlet mouth, while the rotary latch stop surface projects beyond the inlet mouth.
  • the holding leg has recesses which ensure a tilt-free and easy transverse insertion into a receiving groove.
  • the receiving groove is essentially arranged parallel to the inlet mouth. It is usually found below the inlet mouth and, together with the inlet mouth, forms an inlet insert for a lock housing.
  • this inlet insert which can be designed, for example, as a plastic injection-molded part, can be inserted into the lock housing, which not only houses the locking mechanism, but also the usual lever mechanism, locked in place or connected in some other way.
  • the damper element has previously been inserted into the receiving groove of the inlet insert, the recesses on the holding leg ensuring the problem-free transverse insertion described.
  • the damper leg protrudes at least partially from the inlet insert, so that the catch can start against it with a stop, projection, etc. and at the same time experience the desired damping.
  • the damper element be a mostly integrally molded and temporarily closed cover for Introducing, for example, an emergency locking tool.
  • the emergency locking tool (in the simplest case an ignition key) is able to move a locking lever or generally the locking lever mechanism into the "locked" position, for example if the central locking system has failed.
  • the damper element assumes at least a double function.
  • the damper element ensures that the locking pin experiences an end stop and, in particular in the main latching position of the rotary latch, is not only positioned securely, but at the same time experiences a practically noiseless fixing.
  • the damper element is usually made of a thermoplastic, especially polyurethane (PUR) or rubber. Shore A hardnesses of 60 to 90, preferably approximately 70, have proven successful.
  • the damper element with its damper legs projecting over the inlet insert takes on the further function of acting as a damping stop for the rotary latch.
  • the rotary latch has a rib, a projection, a pin or the like protruding stop, which abuts the damper leg in question when its opening movement has ended. The consequence of this is that the rotary latch takes up its opening position without any problems and at the same time the opening movement is stopped and maintained practically noiselessly, so that almost none of the motor vehicle door locks according to the invention Noise can escape or the structure-borne noise can be transmitted through the body. This is where the main advantages can be seen.
  • FIG 1 shows the motor vehicle door lock according to the invention without an inlet insert in supervision of the locking mechanism
  • a motor vehicle door lock is shown, from which one can essentially recognize a locking mechanism 1, 2 consisting of a rotary latch 1 and pawl 2, which are mounted together in a lock housing or lock case 3.
  • a locking mechanism 1, 2 consisting of a rotary latch 1 and pawl 2, which are mounted together in a lock housing or lock case 3.
  • the catch 1 rotates clockwise according to the direction of the arrow about its axis 4 in the illustration according to FIG.
  • a merely indicated locking bolt 5 is released, so that an associated and not shown
  • the pawl 2 may be raised purely mechanically via an actuating lever mechanism (not shown) or also by motor, in particular by an electric motor, in the sense of the electrical opening already described above.
  • the locking pin 5 in the reference system of the motor vehicle door lock moves into an inlet mouth 6, which is shown in particular in FIGS. 2 and 3.
  • This inlet mouth 6 is defined in an inlet insert 7, which may preferably be designed as a plastic injection molded part.
  • the inlet insert 7 is inserted into the lock housing or the lock case 3 and can, for example, be locked or otherwise connected to it.
  • the inlet insert 7 has a receiving groove 9 for a damper element 8.
  • the damper element 8 z. B made of a thermoplastic, according to the embodiment PUR (polyurethane). It has an L-shaped design with a long L-leg 8a and a short L-leg 8b.
  • the long L-leg 8a is designed as a holding leg 8a and essentially serves to support the locking bolt 5 with respect to the rotary latch 1.
  • a spring lip 17 molded onto the holding leg 8a which extends inwards from the holding leg 8a inside the inlet insert 7, may also contribute to this.
  • the locking bolt 5 can also bear directly on the short L-leg 8b.
  • a combined procedure is also encompassed by the inventive concept. Either way, the long L-leg 8a, the short L-leg 8b and possibly the spring lip 17 ensure that the locking bolt 5 is held and guided in the inlet mouth 6 properly and in a noise-reducing manner.
  • the inlet mouth 6 in the inlet insert 7 is funnel-shaped or tapered and is the end of the short L-leg or the damper leg 8b limited. Consequently, the locking pin 5 is in the main latching position of the rotary latch 1 shown in Fig. 1 on the damper leg! 8b, which thus limits the movement of the locking bolt 5 and at the same time ensures its low-noise fixing in the main latching position of the rotary latch 1.
  • the receiving groove 9 in the inlet insert 7 is also L-shaped, its short L-leg 9b being open at the top, while the long L-leg 9a of the receiving groove 9 is the long L-leg 8a or holding leg 8a Damper element 8 takes. Due to the open design of the short L-leg 9b of the receiving groove 9, the short L-leg 8b or damper leg of the damper element 8 is able to at least partially protrude from the inlet insert 7, as can be clearly seen in FIGS. 2 and 3 recognizes .
  • This end of the damper arm 8b of the damper element 8 projecting from the inlet insert 7 defines a rotary latch stop surface 10. Because the rotary latch 1 preferably lies with a projection 11, in the exemplary embodiment of a molded rib 11, after the opening movement of the rotary latch stop surface 10 concerned has ended on. In principle, alternatively or additionally, an additional stop or end stop 18 for the rotary latch 1 can be added to the rotary latch stop surface 10, which is arranged in the lock housing or lock case 3. This end stop 18 limits an overstroke movement of the rotary latch 1.
  • the holding leg 8a has recesses 12 which enable the holding leg 8a to be pushed in transversely without problems.
  • the rotary latch 1 may have a plastic casing in order to minimize the noise development when the rotary latch 1 reaches the opening position shown in FIGS. 2 and 3 and also in the main latching position according to FIG. 1. At the same time, the plastic sheathing ensures that the locking bolt 5 interacts with the catch 1 in a low-friction and low-noise manner.
  • a spring stop 13 can be seen on the rotary latch 1, on which a leg spring which is not expressly shown engages in order to initiate the described opening movement of the rotary latch 1 clockwise according to FIG. 1 and to trigger it when the pawl 2 is lifted off.
  • the projection 11 or the rib or stop rib 11 on the rotary latch 1 is designed in the shape of a circular arc and has a rib stop surface 14, the inclination of which corresponds to the inclined position of the rotary latch stop surface 10 or the damper arm 8b of the damper element 8 when the rotary latch 1 is in the open position.
  • the stop or the rib 11 protrudes with respect to the rotary latch 1
  • the inlet insert 7 can be positioned in the immediate vicinity of the rotary latch 1, because the stop or the rib 11 as a whole finds a recess 15 at this point, which through an arc is shown in FIG. 3 and allows the required movements of the rotary latch 1.
  • At the end of the inlet mouth 6 one can still see one Lock pin stop surface 16 on the inside of the inlet mouth 6 on the damper arm 8b.

Landscapes

  • Lock And Its Accessories (AREA)
  • Vehicle Step Arrangements And Article Storage (AREA)

Abstract

Vehicle door latch, in which the catch comprises a casing made of sound-proofing material, the casing containing a buffer pocket, situated behind the primary position in clockwise direction and the buffer pocket being stretched around up to the area of the primary position, forming an overtravel stop cooperating with the pawl.

Description

Kraftfahrzeugtürverschluss Motor vehicle door lock
Beschreibung :Description :
Die Erfindung betrifft einen Kraftfahrzeugtürverschluss, mit einem Gesperre aus im Wesentlichen Drehfalle und Sperrklinke, und mit einem in ein Einlaufmaul einfahrenden und mit der Drehfalle zusammenwirkenden Schließbolzen, wobei das Einlaufmaul wenigstens ein Dämpferelement für den Schließbolzen aufweist.The invention relates to a motor vehicle door lock, with a locking mechanism consisting essentially of a rotary latch and pawl, and with a locking bolt which enters an inlet mouth and cooperates with the rotary latch, the inlet mouth having at least one damper element for the locking bolt.
Ein Kraftfahrzeugtürverschluss der eingangs beschriebenen Ausgestaltung wird im Rahmen der EP 0 336 034 A2 oder der WO 95/10679 AI offenbart. Das Dämpferelement sorgt dafür, dass der im Bezugssystem des Kraftfahrzeugtürverschlusses in das Einlaufmaul einfahrende und von der Drehfalle in ihrer Hauptraststellung schließlich festgehaltene Schließbolzen in dieser Position geräuschmindernd fixiert wird. Grundsätzlich kommt es zu einer Relativbewegung zwischen dem Schließbolzen und dem Einlaufmaul, wobei der Schließbolzen üblicherweise an einer Kraftfahrzeugkarosserie befestigt ist, während demgegenüber eine Kraftfahrzeugtür und mit ihr der zugehörige Kraftfahrzeugtürverschluss bewegt werden.A motor vehicle door lock of the configuration described at the outset is disclosed in the context of EP 0 336 034 A2 or WO 95/10679 AI. The damper element ensures that the locking bolt entering the intake mouth in the reference system of the motor vehicle door lock and finally held in place by the rotary latch in its main latching position is fixed in this position to reduce noise. Basically, there is a relative movement between the locking bolt and the inlet mouth, the locking bolt usually being fastened to a motor vehicle body, whereas a motor vehicle door and, with it, the associated motor vehicle door lock are moved.
Neben der beschriebenen Geräuschminderung des Dämpferelementes stellt dieses Bauteil sicher, dass eine zugehörige Kraftfahrzeugtür mit Überhub geschlossen werden kann, so dass die Sperrklinke einwandfrei in die Hauptrast der Drehfalle einfällt. Solche Dämpferelemente haben sich bewährt und werden in der Praxis vielfach eingesetzt. Verwiesen sei schließlich noch auf die EP 1 136 640 AI, die jedoch kein Dämpferelement im Einlaufmaul für den Schließbolzen liefert, sondern vielmehr drei einzelne der Drehfalle zugeordnete Gummipuffer.In addition to the described noise reduction of the damper element, this component ensures that an associated motor vehicle door can be closed with an overstroke, so that the pawl engages correctly in the main catch of the rotary latch. Such damper elements have proven themselves and are widely used in practice. Finally, reference is made to EP 1 136 640 AI, which, however, does not provide a damper element in the inlet mouth for the locking bolt, but rather three individual rubber buffers assigned to the rotary latch.
Ein Gesperre lässt sich beispielsweise elektrisch öffnen, indem die Sperrklinke motorisch oder sonst wie ausgehoben wird, so dass die Drehfalle freikommt und federunterstützt um ihre Achse eine Rotationsbewegung vollführt. Um diese Drehbewegung zu begrenzen, können im Schlossgehäuse separate Anschläge realisiert werden. Das ist insgesamt aufwendig.A ratchet can be opened electrically, for example, by lifting the pawl by motor or otherwise, so that the catch is released and rotates about its axis with the aid of a spring. In order to limit this rotary movement, separate stops can be implemented in the lock housing. Overall, this is expensive.
Der Erfindung liegt das technische Problem zu Grunde, einen Kraftfahrzeugtürverschluss der eingangs beschriebenen Gestaltung so weiter zu entwickeln, dass der Aufbau vereinfacht ist und insbesondere die Anzahl der erforderlichen Bauteile eine Reduktion erfährt .The invention is based on the technical problem of further developing a motor vehicle door lock of the design described at the outset in such a way that the structure is simplified and in particular the number of required components is reduced.
Zur Lösung dieser technischen Problemstellung ist ein gattungsgemäßer Kraftfahrzeugtürverschluss dadurch gekennzeichnet, dass das Dämpferelement gleichzeitig als Dämpfer für die Drehfalle fungiert. Das heißt, das Dämpferelement nimmt eine doppelte Funktion wahr. Einerseits als geräusch- mindernder Anschlag für den Schließbolzen und andererseits als Dämpfer für die Drehfalle. Um die Drehbewegung der Drehfalle zu beschränken, mag ergänzend ein Anschlag bzw. Endanschlag im Schlosskasten bzw. Schlossgehäuse vorgesehen werden. Grundsätzlich kann das Dämpferelement bzw. der Dämpfer für die Drehfalle auch die Funktion eines Anschlages übernehmen und Öffnungsbewegungen der Drehfalle begrenzen. Das heißt, die zuvor beschriebenen und regel- mäßig mit einem elektrischen oder mechanischen Öffnen des Gesperres verbundenen Drehbewegungen der Drehfalle nach Ausheben der Sperrkliήke werden entweder durch den separaten Anschlag bzw. Endanschlag begrenz oder durch das Dämpferelement .To solve this technical problem, a generic motor vehicle door lock is characterized in that the damper element also functions as a damper for the rotary latch. This means that the damper element performs a double function. On the one hand as a noise-reducing stop for the locking bolt and on the other hand as a damper for the rotary latch. In order to limit the rotary movement of the rotary latch, a stop or end stop may additionally be provided in the lock case or lock housing. In principle, the damper element or the damper for the rotary latch can also act as a stop and limit opening movements of the rotary latch. That is, the previously described and regular Rotary movements of the rotary latch moderately associated with an electrical or mechanical opening of the locking mechanism after the blocking pawls have been lifted are limited either by the separate stop or end stop or by the damper element.
So oder so erfährt die Drehfalle bei ihrer Öffnungsbewegung nicht nur eine Festlegung und wird sozusagen im geöffneten Zustand positioniert, sondern der Dämpfer sorgt gleich- zeitig dafür, dass die Drehfalle bei dem beschriebenen Öffnungsvorgang nicht direkt gegen eine harte Begrenzung fährt, sondern vielmehr in ihrer Bewegung gedämpft wird. Gleichzeitig stellt das Dämpferelement sicher, dass die in ihrer Öffnungsstellung positionierte Drehfalle von einem obligatorischen Schlossgehäuse akustisch entkoppelt ist, so dass Klappergeräusche nicht auftreten. Außerdem wird vermieden, dass das elektrische Öffnen oder sonst wie initiierte Öffnungsbewegungen der Drehfalle mit einem Geräusch beim Fahren gegen einen Anschlag verbunden sind. Tat- sächlich werden solche Anschlaggeräusche durch das Dämpferelement rundweg unterbunden. *Either way, the rotary latch not only experiences a fixation during its opening movement and is positioned in the open state, so to speak, but the damper simultaneously ensures that the rotary latch does not move directly against a hard limit during the opening process described, but rather in its movement is steamed. At the same time, the damper element ensures that the rotary latch positioned in its open position is acoustically decoupled from an obligatory lock housing, so that rattling noises do not occur. In addition, it is avoided that the electrical opening or otherwise initiated opening movements of the rotary latch are associated with a noise when driving against a stop. In fact, such impact noises are completely prevented by the damper element. *
Es hat sich bewährt, das Dämpferelement als L-förmigen Einsatz für das Einlaufmaul auszubilden. Dabei mag ein L-Schenkel des L-förmigen Dämpferelementes als Halteschenkel und der andere L-Schenkel als Dämpferschenkel für den Schließbolzen und die Drehfalle ausgebildet sein. Der Dämpferschenkel stellt dabei sowohl einen Anschlag für den Schließbolzen als auch einen Anschlag für die Drehfalle zur Verfügung . Zu diesem Zweck verfügt der Dämpferschenkel innenseitig über eine Schließbolzenanschlagflache und außenseitig eine Drehfallenanschlagflache. Die Schließbolzenanschlagflache findet sich endseitig des Einlaufmauls, während die Dreh- fallenanschlagflache über das Einlaufmaul außenseitig vorsteht .It has proven useful to design the damper element as an L-shaped insert for the inlet mouth. One L-leg of the L-shaped damper element may be designed as a holding leg and the other L-leg as a damper leg for the locking bolt and the catch. The damper leg provides both a stop for the locking bolt and a stop for the rotary latch. For this purpose, the damper leg has a locking pin stop surface on the inside and a rotary latch stop surface on the outside. The striker stop surface is located on the end of the inlet mouth, while the rotary latch stop surface projects beyond the inlet mouth.
Um das Dämpferelement problemlos gegenüber dem Einlaufmaul positionieren zu können, verfügt der Halteschenkel über Aussparungen, die ein verkantungsfreies und einfaches Quer- Einschieben in eine Aufnahmenut gewährleisten. Die Auf- nahmenut ist im Wesentlichen parallel im Vergleich zu dem Einlaufmaul angeordnet. Sie findet sich zumeist unterhalb des Einlaufmauls und bildet zusammengenommen mit dem Ein- laufmaul einen Einlaufeinsatz für ein Schlossgehäuse.In order to be able to position the damper element in relation to the inlet mouth without any problems, the holding leg has recesses which ensure a tilt-free and easy transverse insertion into a receiving groove. The receiving groove is essentially arranged parallel to the inlet mouth. It is usually found below the inlet mouth and, together with the inlet mouth, forms an inlet insert for a lock housing.
Das heißt, dieser Einlaufeinsatz, welcher beispielsweise als Kunststoffspritzgussteil ausgeführt sein kann, kann in das Schlossgehäuse, welches nicht nur das Gesperre sondern auch das übliche Hebelwerk aufnimmt, eingesteckt, mit diesem verrastet oder sonst wie verbunden werden. Zuvor ist das Dämpferelement in die Aufnahmenut des Einlaufeinsatzes eingesteckt worden, wobei die Aussparungen am Halteschenkel das beschriebene problemlose Quer-Einschieben sicher- stellen.This means that this inlet insert, which can be designed, for example, as a plastic injection-molded part, can be inserted into the lock housing, which not only houses the locking mechanism, but also the usual lever mechanism, locked in place or connected in some other way. The damper element has previously been inserted into the receiving groove of the inlet insert, the recesses on the holding leg ensuring the problem-free transverse insertion described.
Demgegenüber kragt der Dämpferschenkel wenigstens teilweise aus dem Einlauf-Einsatz vor, so dass die Drehfalle mit einem Anschlag, Vorsprung etc. dagegen anlaufen kann und gleichzeitig die gewünschte Dämpfung erfährt. Schließlich schlägt die Erfindung vor, dass das Dämpferelement eine zumeist angeformte und temporär geschlossene Abdeckung zum Einführen von beispielsweise einem Notverriegelungswerkzeug aufweist. Das Notverriegelungswerkzeug (im einfachsten Fall ein Zündschlüssel) ist in der Lage, einen Verriegelungs- hebel oder allgemein das Verriegelungshebelwerk bei bei- spielsweise ausgefallener Zentralverriegelung in die Position "verriegelt" zu überführen.In contrast, the damper leg protrudes at least partially from the inlet insert, so that the catch can start against it with a stop, projection, etc. and at the same time experience the desired damping. Finally, the invention proposes that the damper element be a mostly integrally molded and temporarily closed cover for Introducing, for example, an emergency locking tool. The emergency locking tool (in the simplest case an ignition key) is able to move a locking lever or generally the locking lever mechanism into the "locked" position, for example if the central locking system has failed.
Im Ergebnis wird ein Kraftfahrzeugtürverschluss zur Verfügung gestellt, welcher über einen vorgefertigten Einlauf- Einsatz für das Schlossgehäuse verfügt, dessen Dämpferelement zumindest eine doppelte Funktion übernimmt. Einerseits sorgt das Dämpferelement dafür, dass der Schließbolzen einen Endanschlag erfährt und insbesondere in der Hauptraststellung der Drehfalle nicht nur sicher positio- niert wird, sondern zugleich eine praktisch geräuschlose Festlegung erfährt. Denn das Dämpferelement wird in der Regel aus einem thermoplastischen Kunststoff, insbesondere Polyurethan (PUR) oder Kautschuk hergestellt. Dabei haben sich Shore-A-Härten von 60 bis 90, vorzugsweise ca. 70, bewährt .As a result, a motor vehicle door lock is made available, which has a prefabricated inlet insert for the lock housing, the damper element assumes at least a double function. On the one hand, the damper element ensures that the locking pin experiences an end stop and, in particular in the main latching position of the rotary latch, is not only positioned securely, but at the same time experiences a practically noiseless fixing. Because the damper element is usually made of a thermoplastic, especially polyurethane (PUR) or rubber. Shore A hardnesses of 60 to 90, preferably approximately 70, have proven successful.
Andererseits übernimmt das Dämpferelement mit seinem über den Einlauf-Einsatz vorkragenden Dämpferschenkel die weitere Funktion, als Dämpfungsanschlag für die Drehfalle zu wirken. Dazu verfügt die Drehfalle über eine Rippe, einen Vorsprung, einen Zapfen oder dergleichen vorstehenden Anschlag, welcher bei Beendigung ihrer Öffnungsbewegung an dem betreffenden Dämpferschenkel anliegt . Das hat zur Folge, dass die Drehfalle einwandfrei ihre Öffnungsstellung einnimmt und gleichzeitig die Öffnungsbewegung praktisch geräuschlos gestoppt und beibehalten wird, so dass von dem erfindungsgemäßen Kraftfahrzeugtürverschluss nahezu keine Geräusche nach außen dringen bzw. der Körperschall über die Karosserie weitergeleitet werden. Hierin sind die wesentlichen Vorteile zu sehen.On the other hand, the damper element with its damper legs projecting over the inlet insert takes on the further function of acting as a damping stop for the rotary latch. For this purpose, the rotary latch has a rib, a projection, a pin or the like protruding stop, which abuts the damper leg in question when its opening movement has ended. The consequence of this is that the rotary latch takes up its opening position without any problems and at the same time the opening movement is stopped and maintained practically noiselessly, so that almost none of the motor vehicle door locks according to the invention Noise can escape or the structure-borne noise can be transmitted through the body. This is where the main advantages can be seen.
Im Folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung näher erläutert; es zeigen:The invention is explained in more detail below on the basis of a drawing illustrating only one exemplary embodiment; show it:
Fig. 1 den erfindungsgemäßen Kraftfahrzeugtürver- schluss ohne Einlauf-Einsatz in Aufsicht auf das Gesperre und1 shows the motor vehicle door lock according to the invention without an inlet insert in supervision of the locking mechanism and
Fig. 2 und 3 unterschiedliche Ansichten des Einlauf-Einsatzes.2 and 3 different views of the inlet insert.
In den Figuren ist ein Kraftfahrzeugtürverschluss dargestellt, von dem man im Wesentlichen ein Gesperre 1, 2 aus Drehfalle 1 und Sperrklinke 2 erkennt, die zusammengenommen in einem Schlossgehäuse bzw. Schlosskasten 3 gelagert sind. Sobald die Sperrklinke 2 ausgehoben wird, dreht sich die Drehfalle 1 in der Darstellung nach Fig. 1 im Uhrzeigersinn entsprechend der Pfeilrichtung um ihre Achse 4 aus ihrer dort gezeigten Hauptrast federunterstützt heraus. Gleichzeitig wird ein lediglich angedeuteter Schließbolzen 5 freigegeben, so dass eine zugehörige und nicht dargestellteIn the figures, a motor vehicle door lock is shown, from which one can essentially recognize a locking mechanism 1, 2 consisting of a rotary latch 1 and pawl 2, which are mounted together in a lock housing or lock case 3. As soon as the pawl 2 is lifted, the catch 1 rotates clockwise according to the direction of the arrow about its axis 4 in the illustration according to FIG. At the same time, a merely indicated locking bolt 5 is released, so that an associated and not shown
Kraftfahrzeugtür - wie üblich - geöffnet werden kann. Das Ausheben der Sperrklinke 2 mag dabei rein mechanisch über ein nicht dargestelltes Betätigungshebelwerk oder auch motorisch, insbesondere elektromotorisch, im Sinne des zuvor bereits beschriebenen elektrischen Öffnens erfolgen. Um die Drehfalle 1 wieder in ihre Vor- bzw. Hauptrast- Stellung zu überführen, fährt der Schließbolzen 5 im Bezugssystem des Kraftfahrzeugtürverschlusses in ein insbesondere in den Fig. 2 und 3 dargestelltes Einlaufmaul 6 ein. Dieses Einlaufmaul 6 wird in einem Einlauf-Einsatz 7 definiert, der vorzugsweise als Kunststoff-Spritzgussteil ausgeführt sein mag. Der Einlauf-Einsatz 7 ist in das Schlossgehäuse bzw. den Schlosskasten 3 eingesetzt und kann beispielsweise hiermit rastend oder sonst wie verbunden sein. Neben dem Einlaufmaul 6 verfügt der Einlauf-Einsatz 7 über eine Aufnahmenut 9 für ein Dämpferelement 8.Motor vehicle door - as usual - can be opened. The pawl 2 may be raised purely mechanically via an actuating lever mechanism (not shown) or also by motor, in particular by an electric motor, in the sense of the electrical opening already described above. In order to move the catch 1 back into its forward or main latching position, the locking pin 5 in the reference system of the motor vehicle door lock moves into an inlet mouth 6, which is shown in particular in FIGS. 2 and 3. This inlet mouth 6 is defined in an inlet insert 7, which may preferably be designed as a plastic injection molded part. The inlet insert 7 is inserted into the lock housing or the lock case 3 and can, for example, be locked or otherwise connected to it. In addition to the inlet mouth 6, the inlet insert 7 has a receiving groove 9 for a damper element 8.
Das Dämpferelement 8 z. B. aus einem thermoplastischen Kunststoff, nach dem Ausführungsbeispiel PUR (Polyurethan) , hergestellt. Es verfügt über eine L-förmige Gestaltung mit einem langen L-Schenkel 8a und einem kurzen L-Schenkel 8b. Der lange L-Schenkel 8a ist als Halteschenkel 8a ausgeführt und dient im Wesentlichen dazu, den Schließbolzen 5 gegenüber der Drehfalle 1 abzustützen. Ergänzend mag hierzu auch eine an den Halteschenkel 8a angespritzte Federlippe 17 beitragen, die sich ausgehend von dem Halteschenkel 8a nach innen innerhalb des Einlauf-Einsatzes 7 erstreckt. Grundsätzlich kann der Schließbolzen 5 aber auch direkt am kurzen L-Schenkel 8b anliegen. Selbstverständlich ist auch eine kombinierte Vorgehensweise vom Erfindungsgedanken umfasst. So oder so sorgen der lange L-Schenkel 8a, der kurze L-Schenkel 8b sowie gegebenenfalls die Federlippe 17 dafür, dass der Schließbolzen 5 einwandfrei und geräuschdämmend im Einlaufmaul 6 gehalten und geführt wird.The damper element 8 z. B. made of a thermoplastic, according to the embodiment PUR (polyurethane). It has an L-shaped design with a long L-leg 8a and a short L-leg 8b. The long L-leg 8a is designed as a holding leg 8a and essentially serves to support the locking bolt 5 with respect to the rotary latch 1. In addition, a spring lip 17 molded onto the holding leg 8a, which extends inwards from the holding leg 8a inside the inlet insert 7, may also contribute to this. In principle, the locking bolt 5 can also bear directly on the short L-leg 8b. Of course, a combined procedure is also encompassed by the inventive concept. Either way, the long L-leg 8a, the short L-leg 8b and possibly the spring lip 17 ensure that the locking bolt 5 is held and guided in the inlet mouth 6 properly and in a noise-reducing manner.
Das Einlaufmaul 6 im Einlauf-Einsatz 7 ist trichterförmig bzw. konisch zulaufend ausgestaltet und wird endseitig von dem kurzen L-Schenkel bzw. dem Dämpferschenkel 8b begrenzt. Folgerichtig liegt der Schließbolzen 5 in der in Fig. 1 dargestellten Hauptraststellung der Drehfalle 1 an dem Dämpferschenke! 8b an, welcher also die Bewegung des Schließbolzens 5 begrenzt und gleichzeitig für seine geräuscharme Fixierung in der Hauptraststellung der Drehfalle 1 sorgt .The inlet mouth 6 in the inlet insert 7 is funnel-shaped or tapered and is the end of the short L-leg or the damper leg 8b limited. Consequently, the locking pin 5 is in the main latching position of the rotary latch 1 shown in Fig. 1 on the damper leg! 8b, which thus limits the movement of the locking bolt 5 and at the same time ensures its low-noise fixing in the main latching position of the rotary latch 1.
Die Aufnahmenut 9 in dem Einlauf-Einsatz 7 ist ebenfalls L-fδrmig gestaltet, wobei ihr kurzer L-Schenkel 9b nach oben offen ausgebildet ist, während der lange L-Schenkel 9a der Aufnahmenut 9 den langen L-Schenkel 8a bzw. Halteschenkel 8a des Dämpferelementes 8 aufnimmt . Durch die offene Gestaltung des kurzen L-Schenkels 9b der Aufnahmenut 9 ist der kurze L-Schenkel 8b bzw. Dämpferschenkel des Dämpferelementes 8 in der Lage, wenigstens teilweise aus dem Einlauf-Einsatz 7 vorzukragen, wie man deutlich in den Fig. 2 und 3 erkennt .The receiving groove 9 in the inlet insert 7 is also L-shaped, its short L-leg 9b being open at the top, while the long L-leg 9a of the receiving groove 9 is the long L-leg 8a or holding leg 8a Damper element 8 takes. Due to the open design of the short L-leg 9b of the receiving groove 9, the short L-leg 8b or damper leg of the damper element 8 is able to at least partially protrude from the inlet insert 7, as can be clearly seen in FIGS. 2 and 3 recognizes .
Dieses aus dem Einlauf-Einsatz 7 vorkragende Ende des Dämpferschenkels 8b des Dämpferelementes 8 definiert eine Drehfallenanschlagflache 10. Denn die Drehfalle 1 liegt vorzugsweise mit einem Vorsprung 11, nach dem Ausführungsbeispiel einer angeformten Rippe 11, nach Beendigung ihrer Öffnungsbewegung an der betreffenden Drehfallenanschlag- fläche 10 an. Grundsätzlich kann zu der Drehfallenanschlag- fläche 10 alternativ oder zusätzlich aber auch ein zusätzlicher Anschlag bzw. Endanschlag 18 für die Drehfalle 1 hinzutreten, welcher im Schlossgehäuse bzw. Schlosskasten 3 angeordnet ist. Dieser Endanschlag 18 begrenzt eine Überhubbewegung der Drehfalle 1. Um den langen L-Schenkel 8a bzw. Halteschenkel 8a des Dämpferelementes 8 einwandfrei innerhalb der Aufnahmenut 9 positionieren zu können, verfügt der Halteschenkel 8a über Aussparungen 12, die ein problemloses Quer-Einschieben des Halteschenkels 8a ermöglichen. Des Weiteren mag die Drehfalle 1 über eine Kunststoffummantelung verfügen, um die Geräuschentwicklung beim Erreichen der in den Fig. 2 und 3 dargestellten Öffnungsposition der Drehfalle 1 und auch in der Hauptraststellung nach Fig. 1 zu minimieren. Gleich- zeitig stellt die Kunststoffummantelung sicher, dass der Schließbolzen 5 insgesamt reibungs- und geräuscharm mit der Drehfalle 1 wechselwirkt.This end of the damper arm 8b of the damper element 8 projecting from the inlet insert 7 defines a rotary latch stop surface 10. Because the rotary latch 1 preferably lies with a projection 11, in the exemplary embodiment of a molded rib 11, after the opening movement of the rotary latch stop surface 10 concerned has ended on. In principle, alternatively or additionally, an additional stop or end stop 18 for the rotary latch 1 can be added to the rotary latch stop surface 10, which is arranged in the lock housing or lock case 3. This end stop 18 limits an overstroke movement of the rotary latch 1. In order to be able to correctly position the long L-leg 8a or holding leg 8a of the damper element 8 within the receiving groove 9, the holding leg 8a has recesses 12 which enable the holding leg 8a to be pushed in transversely without problems. Furthermore, the rotary latch 1 may have a plastic casing in order to minimize the noise development when the rotary latch 1 reaches the opening position shown in FIGS. 2 and 3 and also in the main latching position according to FIG. 1. At the same time, the plastic sheathing ensures that the locking bolt 5 interacts with the catch 1 in a low-friction and low-noise manner.
Schließlich ist noch ein Federanschlag 13 an der Drehfalle 1 zu erkennen, an welchem eine nicht ausdrücklich dargestellte Schenkelfeder angreift, um die beschriebene Öffnungsbewegung der Drehfalle 1 im Uhrzeigersinn nach Fig. 1 zu initiieren und bei abgehobener Sperrklinke 2 auszulösen.Finally, a spring stop 13 can be seen on the rotary latch 1, on which a leg spring which is not expressly shown engages in order to initiate the described opening movement of the rotary latch 1 clockwise according to FIG. 1 and to trigger it when the pawl 2 is lifted off.
Der Vorsprung 11 bzw. die Rippe oder Anschlagrippe 11 an der Drehfalle 1 ist kreisbogenförmig gestaltet und verfügt über eine Rippenanschlagflache 14, deren Neigung der Schrägstellung der Drehfallenanschlagflache 10 bzw. des Dämpferschenkels 8b des Dämpferelementes 8 bei in Öffnungs- position befindlicher Drehfalle 1 entspricht. Dadurch, dass der Anschlag bzw. die Rippe 11 gegenüber der Drehfalle 1 vorsteht, kann der Einlauf-Einsatz 7 in unmittelbarer Nähe zur Drehfalle 1 positioniert werden, weil der Anschlag bzw. die Rippe 11 insgesamt eine Aussparung 15 an dieser Stelle vorfindet, die durch einen Kreisbogen in Fig. 3 dargestellt ist und die erforderlichen Bewegungen der Drehfalle 1 zu- lässt. Endseitig des Einlaufmauls 6 erkennt man noch eine Schließbolzenanschlagflache 16 innenseitig des Einlaufmauls 6 am Dämpferschenkel 8b. The projection 11 or the rib or stop rib 11 on the rotary latch 1 is designed in the shape of a circular arc and has a rib stop surface 14, the inclination of which corresponds to the inclined position of the rotary latch stop surface 10 or the damper arm 8b of the damper element 8 when the rotary latch 1 is in the open position. Characterized in that the stop or the rib 11 protrudes with respect to the rotary latch 1, the inlet insert 7 can be positioned in the immediate vicinity of the rotary latch 1, because the stop or the rib 11 as a whole finds a recess 15 at this point, which through an arc is shown in FIG. 3 and allows the required movements of the rotary latch 1. At the end of the inlet mouth 6 one can still see one Lock pin stop surface 16 on the inside of the inlet mouth 6 on the damper arm 8b.

Claims

Patentansprüche : Claims:
1. Kraftfahrzeugtürverschluss, mit einem Gesperre (1, 2) aus im Wesentlichen Drehfalle (1) und Sperrklinke (2) , und mit einem in ein Einlaufmaul (6) einfahrenden und mit der Drehfalle (1) zusammenwirkenden Schließbolzen (5) , wobei das Einlaufmaul (6) wenigstens ein Dämpferelement (8) für den Schließbolzen (5) aufweist, d a d u r c h g e k e n n z e i c h n e t, dass das Dämpferelement (8) gleichzeitig als Dämpfer für die Drehfalle (1) fungiert.1. Motor vehicle door lock, with a locking mechanism (1, 2) consisting essentially of a rotary latch (1) and pawl (2), and with a locking bolt (5) entering an inlet mouth (6) and interacting with the rotary latch (1), the Inlet mouth (6) has at least one damper element (8) for the locking bolt (5), characterized in that the damper element (8) simultaneously functions as a damper for the rotary latch (1).
2. Kraftfahrzeugtürverschluss nach Anspruch 1, dadurch gekennzeichnet, dass das Dämpferelement (8) Öffnungsbewegungen der Drehfalle (1) begrenzt.2. Motor vehicle door lock according to claim 1, characterized in that the damper element (8) limits opening movements of the rotary latch (1).
3. Kraftfahrzeugtürverschluss nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Dämpferelement (8) als L-förmiger Einsatz für eine Aufnahmenut (9) ausgebildet ist .3. Motor vehicle door lock according to claim 1 or 2, characterized in that the damper element (8) is designed as an L-shaped insert for a receiving groove (9).
4. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der lange L-Schenkel4. Motor vehicle door lock according to one of claims 1 to 3, characterized in that the long L-leg
(8a) des Dämpferelementes (8) als Halteschenkel (8a) und der kurze L-Schenkel (8b) des Dämpferelementes (8) als Dämpferschenkel (8b) für den Schließbolzen (5) und die Drehfalle (1) ausgebildet ist.(8a) of the damper element (8) as a holding leg (8a) and the short L-leg (8b) of the damper element (8) as a damper leg (8b) for the locking bolt (5) and the rotary latch (1).
5. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Halteschenkel (8a) Aussparungen (12) zum problemlosen Quer-Einschieben in die Aufnahmenut (9) aufweist. 5. Motor vehicle door lock according to one of claims 1 to 4, characterized in that the holding leg (8a) has recesses (12) for easy transverse insertion into the receiving groove (9).
6. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Dämpferschenkel6. Motor vehicle door lock according to one of claims 1 to 5, characterized in that the damper leg
(8b) innenseitig eine Schließbolzenanschlagflache (16) und außenseitig eine Drehfallenanschlagflache (10) besitzt.(8b) has a locking bolt stop surface (16) on the inside and a rotary latch stop surface (10) on the outside.
7. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Einlaufmaul (6) und die Aufnahmenut (9) im Wesentlichen parallel zueinander und untereinander angeordnet sind.7. Motor vehicle door lock according to one of claims 1 to 6, characterized in that the inlet mouth (6) and the receiving groove (9) are arranged substantially parallel to one another and one below the other.
8. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das Einlaufmaul (6) und die Aufnahmenut (9) zusammengenommen einen Einlauf-Einsatz (7) für ein Schlossgehäuse (3) formen.8. Motor vehicle door lock according to one of claims 1 to 7, characterized in that the inlet mouth (6) and the receiving groove (9) taken together form an inlet insert (7) for a lock housing (3).
9. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Dämpferschenkel9. Motor vehicle door lock according to one of claims 1 to 8, characterized in that the damper leg
(8b) wenigstens teilweise aus dem Einlauf-Einsatz (7) vorkragt .(8b) at least partially protrudes from the inlet insert (7).
10. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das Dämpferelement eine temporär geschlossene Abdeckung zum Einführen von beispielsweise einem Notverriegelungswerkzeug aufweist. 10. Motor vehicle door lock according to one of claims 1 to 9, characterized in that the damper element has a temporarily closed cover for inserting, for example, an emergency locking tool.
EP20040730481 2003-05-08 2004-04-30 Motor vehicle door lock Expired - Lifetime EP1620617B1 (en)

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DE2003120457 DE10320457A1 (en) 2003-05-08 2003-05-08 Motor vehicle door lock
PCT/DE2004/000907 WO2004101920A1 (en) 2003-05-08 2004-04-30 Motor vehicle door lock

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EP1620617A1 true EP1620617A1 (en) 2006-02-01
EP1620617B1 EP1620617B1 (en) 2009-12-30

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AT (1) ATE453773T1 (en)
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DE502004010588D1 (en) 2010-02-11
DE10320457A1 (en) 2004-12-16
US7401822B2 (en) 2008-07-22
US20060202486A1 (en) 2006-09-14
ATE453773T1 (en) 2010-01-15
WO2004101920A1 (en) 2004-11-25

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