EP2702218A2 - Motor vehicle door lock - Google Patents

Motor vehicle door lock

Info

Publication number
EP2702218A2
EP2702218A2 EP12727248.2A EP12727248A EP2702218A2 EP 2702218 A2 EP2702218 A2 EP 2702218A2 EP 12727248 A EP12727248 A EP 12727248A EP 2702218 A2 EP2702218 A2 EP 2702218A2
Authority
EP
European Patent Office
Prior art keywords
lever
vehicle door
motor vehicle
door lock
lock according
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
EP12727248.2A
Other languages
German (de)
French (fr)
Other versions
EP2702218B1 (en
Inventor
Christian Barmscheidt
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 EP2702218A2 publication Critical patent/EP2702218A2/en
Application granted granted Critical
Publication of EP2702218B1 publication Critical patent/EP2702218B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00Vehicle locks characterised by special functions or purposes
    • E05B77/44Burglar prevention, e.g. protecting against opening by unauthorised tools
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/02Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
    • E05B47/023Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving pivotally or rotatively
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00Vehicle locks characterised by special functions or purposes
    • E05B77/22Functions related to actuation of locks from the passenger compartment of the vehicle
    • E05B77/24Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like
    • E05B77/28Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like for anti-theft purposes, e.g. double-locking or super-locking
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/02Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04Electrical
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/02Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04Electrical
    • E05B81/06Electrical using rotary motors
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/12Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/14Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/24Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/32Details of the actuator transmission
    • E05B81/34Details of the actuator transmission of geared transmissions
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014Constructional features of actuators or power transmissions therefor
    • E05B2047/0018Details of actuator transmissions
    • E05B2047/0026Clutches, couplings or braking arrangements
    • E05B2047/0031Clutches, couplings or braking arrangements of the elastic type
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/08Bolts
    • Y10T292/1043Swinging
    • Y10T292/1075Operating means
    • Y10T292/108Lever

Definitions

  • the invention relates to a motor vehicle door lock, with a locking mechanism, an actuating lever mechanism interacting with the locking mechanism, furthermore with a drive acting on the actuating lever mechanism, and with an anti-theft unit.
  • the anti-theft unit serves, as is common practice, to make the actuating lever mechanism mechanically connected to the locking mechanism empty, both when the actuating lever mechanism is acted on by an internal operating lever and when actuated by an external operating lever. This ensures that even if, for example, a broken vehicle window, an unauthorized person can not open the motor vehicle door via the inside operating lever. This applies in the event that the anti-theft device is active. Then this is in the position "anti-theft device on”.
  • the motor vehicle door lock assumes the position "anti-theft device"
  • the associated motor vehicle door can be opened from the inside via the inside operating lever as well as from the outside via the external operating lever: this assumes, for example, that it is not a rear side door in which a possible parental control is inserted and can be. This has proven itself in principle.
  • motor vehicle door closures with such an anti-theft unit those are known which additionally have a closing / opening device. Reference is made in this context to the utility model
  • opening devices are described in the prior art by, for example, DE 10 2004 052 599 A1, which act as opening aids.
  • opening devices or opening aids are based on an electric drive which lifts a pawl from a catch of a closed locking mechanism.
  • the catch can open spring-assisted and release a previously captured locking pin and consequently the associated motor vehicle door as a whole.
  • the prior art may not be satisfactory in all aspects. This applies in particular with regard to the previously described opening aids or the so-called "electrical opening”. Because this process is in the structurally most favorable case associated with the fact that the locking mechanism is excavated by an electric motor and an associated motor vehicle door is released. In the event that this process is unintentionally initiated by, for example, a fault current, a false signal, etc., there are so far no convincing solutions available that prevent this. This is where the invention starts.
  • the invention is based on the technical problem of further developing such a motor vehicle door lock in such a way that operating safety, especially during electrical opening, is significantly increased and malfunctions are avoided.
  • the buffer member in conjunction with the anti-theft device ensures that as it were additional backup of the locking is realized.
  • the anti-theft device ensures that an electrical opening operation of the locking mechanism is only performed when the anti-theft unit releases the buffer member for pivoting the locking mechanism.
  • the buffer member experiences a blockage then the locking mechanism can not pass into the open functional position. As a result, unintentional openings of the locking mechanism are precluded, because even in such a case, the anti-theft unit blocks the buffer member and thus the locking mechanism can not be opened.
  • the buffer member is as it were interposed between the actuating lever acting on the drive and the locking mechanism.
  • the drive thus operates on the buffer member, which in turn transmits movements of the actuating lever mechanism initiated by the drive to the locking mechanism.
  • an opening movement of the drive via the actuating lever mechanism and the buffer member is finally transferred to the locking mechanism only in the event of an opening movement of the locking mechanism, such that the buffer member does not experience, for example, a blockage through the anti-theft locking unit. Because in such a blockade of the buffer member, the locking mechanism is not affected by the acted upon actuating lever mechanism, so it retains its closed position in the example case described.
  • the operating lever unit Only when additionally actuated by the drive operating lever unit, the anti-theft unit releases the buffer member, the operating lever unit is able to transmit a movement on the buffer member to the locking mechanism. That is, within the scope of the invention, any and unintentional electrical opening operations are prevented by means of the anti-theft device. Only if the operating lever mechanism
  • the design is such that the buffer member is driven by the anti-theft device. If the locking mechanism to maintain its closed position, the buffer member is blocked by the anti-theft unit and can not work on the ratchet, if the operating lever mechanism is applied in the opening sense. If, on the other hand, the locking mechanism is to be opened, the anti-theft unit releases the buffer member. This can open the locking mechanism following an opening movement of the actuating lever mechanism. That is, the buffer member is controlled by the anti-theft device according to the desired functional position of the locking ("open” or "closed”) accordingly.
  • the anti-theft device naturally follows its usual functionality already described in the introduction. That is, any actuations of the operating lever mechanism go empty with respect to the locking mechanism, as the anti-theft unit is in its "inserted" position. That is, in this functional position, the anti-theft unit consistently ensures that any movements of the operating lever mechanism via the buffer member are not transmitted to the locking mechanism. Rather, the buffer member learns in such a procedure, a more or less pronounced compression or deflection, and without this, the locking is affected in any way.
  • the operating lever mechanism can act on the locking mechanism in the opening direction.
  • opening movements of the actuating lever mechanism are transmitted again to the buffer member, which transmits these movements due to the elimination of its blockade by the anti-theft unit on the locking mechanism to the opening.
  • one will always make the interpretation that in the position "anti-theft device inserted” both a possible inside actuating lever and an external operating lever with respect to the locking mechanism go empty.
  • a release lever is associated with the actuating lever mechanism.
  • the release lever is also associated with the addressed buffer member.
  • a two-part embodiment of the buffer member has proven to be particularly favorable.
  • the buffer member is usually composed of a tilt spring and a leg spring together.
  • the tipping spring generally ensures that the operating lever mechanism, depending on its position in the direction of "open” or in the direction of “keep closed” of the locking is applied.
  • the tilt spring usually attacks the release lever. If this release lever has exceeded a certain position in comparison to the locking mechanism, then the tilt spring may act on the unlocking lever in the direction "open” of the locking mechanism. If, on the other hand, another position of the unlocking lever is present, the tilting spring ensures that the unlocking lever and with it the actuating lever mechanism are acted upon in the direction of "keeping closed” of the locking mechanism.
  • Clutch lever and on the other hand interact with the release lever and / or the anti-theft device.
  • This is usually the one free leg of the leg spring on the clutch lever. This free tavern!
  • the other fixed leg of the leg spring abuts against a pin of the unlocking lever.
  • the anti-theft unit interacts with the leg of the leg of the leg in question.
  • the leg spring is advantageously mounted on the release lever.
  • a substantially coaxial bearing to a rotational axis of the unlocking lever has proven to be particularly favorable. That is, the axis of the leg spring and the axis of rotation of the release lever generally coincide with each other.
  • the already mentioned and generally applied to the free leg of the leg spring clutch lever is typically mounted in at least one guide.
  • Usually two guides are used for the clutch lever.
  • the two guides are usually provided in each adjacent levers. It has been proven that the one guide in an internal operating lever and the other guide are realized in the release lever. In this way, the clutch lever can easily slide along the free leg of the leg spring between its "ineffective" and “effective” positions.
  • the anti-theft device in this functional position "unlocked” can also be designed mechanically by the operating lever operated in the opening sense.
  • a motor vehicle door lock which has a significant safety increase, in particular with regard to the "electric opening” function. Because even unintentional electrical opening operations are not converted into a locking opening, as long as the anti-theft unit maintains its functional position "inserted". Only when in addition the anti-theft unit assumes its position "designed", the desired electrical opening can be converted into the locking opening.
  • Fig. 1 the motor vehicle door lock according to the invention in one
  • FIG. 3 the motor vehicle door lock according to FIGS. 1 and 2 in the locked state with inserted anti-theft device
  • Fig. 4 shows the object according to FIGS. 1 to 3 in the course of a mechanical opening operation.
  • a motor vehicle door lock is shown, which is equipped with a merely indicated locking mechanism 1, 2.
  • a pawl 1 which interacts with a rotary latch 2 in the usual manner. Which is not expressly shown.
  • the pawl 1 and the rotary latch 2 are summarized placed in a plane perpendicular to each of the illustrated planes level.
  • the ratchet 1, 2 interacts an operating lever mechanism 3, 4, 16, which is composed in detail of a release lever 3, an internal operating lever 4 and coupling levers 16 and finally cooperates with a release lever 5 in the example.
  • levers can be realized, for example, an external operating lever, another clutch lever, etc., which, however, are not shown and are irrelevant to the invention to be described.
  • a drive 6 to 9 can be seen, which acts on the operating lever mechanism 3, 4, 16.
  • the basic structure includes an anti-theft unit 10, 11.
  • the buffer member 12, 13 is composed of a leg spring 12 and a tilt spring 13, so it is designed in two parts.
  • the tilting spring 13 as a whole ensures that the unlocking lever 5 is acted upon in the direction "open” or "keep closed” of the locking mechanism 1, 2.
  • the tilt spring 13 acts on the unlocking lever 5 in such a way that it is acted upon about its axis 14 in the indicated counterclockwise direction. If, on the other hand, the tilt spring 13 or the associated unlocking lever 5 "unlocks” the position according to FIG. 2, then the tilt spring 13 acts on the unlocking lever 5 in such a way that it makes a rotation about its axis 14 in the illustrated clockwise direction.
  • the release lever 3 in the functional position of Fig. 2 in the "electrical opening” shown there with the extension arm 15 to work on the pawl 1 and lift the pawl 1 in this process from the associated rotary latch 2, not shown.
  • the locking mechanism 1, 2 is logically also open at the end of the illustrated movement of FIG. 2 "electrically open".
  • the leg spring 12 interacts on the one hand with a clutch lever 16 and on the other hand with the release lever 5 and / or the anti-theft unit 10, 11.
  • the one free leg 12a of the leg spring 12 abuts on the clutch lever 16, which on the free leg 12a in question the leg spring 12 predominantly linear along
  • the other fixed leg 12b of the leg spring 12 is supported on a stop 17 of the unlocking lever 5.
  • the eccentric 11 blocks the fixed leg 12b of the leg spring 12 and holds the leg spring 12 as it were. This applies to the position "anti-theft device inserted". If, on the other hand, the anti-theft unit 10, 11 is "designed" in its position, then the eccentric 11 releases the fixed leg 12b of the leg spring 12 in question.
  • the leg spring 12 is mounted substantially coaxially in comparison to the release lever 5 on this. That is, the axis of rotation of the leg spring 12 largely coincides with the axis of rotation 14 of the release lever 5.
  • the design is usually made so that the previously already referred to drive 6 to 9 is designed as an opening drive.
  • the drive 6 to 9 is composed of an electric motor 6 and an output screw 7 driven by the electric motor 6.
  • the output worm 7 meshes with the outer peripheral side with a driven pulley 8, which in turn carries an eccentric 9. In this way, the drive 6 to 9 interact with the release lever 3.
  • the drive or opening drive 6 to 9, as part of the electrical opening operation according to FIG. 2 first of all ensures that the release lever 3 is represented by its initial position in the dash-dotted line Position is transferred (see Fig. 2). This concerned the eccentric 9, which abuts an arm of the release lever 3 and the release lever 3 is pivoted about its axis 18 in this case counterclockwise.
  • the coupling lever 16 in question is mounted in two guides 19, 20.
  • there is a guide 19 for the clutch lever 16 in the inner operating lever 4 whereas the other guide 20 is realized in the release lever 5.
  • the clutch lever 16 engages with a cam 21 in the guide 19 of the inner actuating lever 4 and is thereby held captive in the respective guide 19 of the inner actuating lever 4 and also the guide 20 in the release lever 5 and guided linearly.
  • the clutch lever 16 is further equipped with a pin 22 which slides on the free leg 12a of the leg spring 12 along.
  • the pin 22 in question slides on the free end 12a of the leg spring 12 in a radially outer position.
  • the leg spring 12 experiences an increasing load.
  • the clutch lever 16 is released with its cam 21 of the release lever 3 and moves in this regard in a recess 23 on the trigger lever 3 a.
  • Fig. 1 the position (mechanical) "unlocked” and then the mechanical opening at "laid out” anti-theft device 10, 11 shown. It can be seen that, first of all, the triggering lever 3 has performed a counterclockwise movement about its axis 18 starting from the locked position according to FIG. This transition of the trigger lever 3 from the "locked” position of FIG. 3 in the "unlocked” position shown in FIG. 1 can be mechanically initiated by the fact that the inner operating lever 4 slightly clockwise order
  • the leg spring 12 Since the leg spring 12 with its fixed end 12b is not blocked by the anti-theft unit 10, 11 or its eccentric 11 because the anti-theft unit 10, 11 is in the "designed" state, the leg spring 12 takes the release lever 5 "in this process. With”. For this purpose, the fixed leg 12b of the leg spring 12 engages the stop 17 of the unlocking lever 5.
  • the unlocking lever 5 thus performs a pivoting movement in the clockwise direction about its axis 14, as it is already indicated in FIG. 2 and also in FIG. 1. As a result, the release lever 5 ensures that the pawl 1 can be lifted off the catch 2 via the operating lever mechanism 3, 4, 16.
  • the locking mechanism 1, 2 has been mechanically opened.
  • FIG. A similar scenario is observed in FIG.
  • the process "electrical opening” is depicted.
  • the release lever 3 must first be “unlocked” by the drive or opening drive 6, 7, 8, 9, as shown in phantom in FIG.
  • the position "locked” corresponds to the release lever 3 to its solid position.
  • the eccentric 9 of the drive 6, 7, 8, 9 strikes against an arm of the release lever 3 and ensures that the release lever 3 in the transition from the position shown in solid "locked” in the position shown in phantom a slight
  • the clutch lever 16 can retract with its cam 21 in the recess 23 of the release lever 3.
  • This process has the consequence that the leg spring 12 undergoes an increasing load on its free leg end 12a, because the clutch lever 16 is moved radially outwardly and the voltage applied to the clutch lever 16 pin 22, the free leg end 12 of the leg spring 12 increasingly applied with force ,
  • the release lever 5 undergoes the indicated rotation clockwise about its axis 14, because the leg spring 12 is acted upon at its free leg end 12a.
  • the anti-theft device 10, 1 1 and others in the core ensures that unintentional opening operations do not lead to a Gesperreö réelle. Because the locking mechanism 1, 2 is only and exclusively opened when previously the anti-theft device 10, 11 with its eccentric 11 has released the fixed leg end 12b of the leg spring 2. If this release does not take place within the scope of the illustrated function according to FIG. 2, the leg spring 12 is compressed by the applied internal actuating lever 4, without the release lever 5 changing its position shown. Only when the fixed leg end 12b is not (more) blocked by the eccentric 11 of the anti-theft unit 10, 1 1, the release lever 5 performs the described clockwise rotation about its axis 14 and the locking mechanism 1, 2 is opened.
  • the motor vehicle door lock In the functional position according to FIG. 3, the motor vehicle door lock is in the "locked” position.
  • the clutch lever 16 rests with its cam 21 on the release lever 3 and is blocked by the release lever 3.
  • the anti-theft device 10, 11 is “inserted” in its functional position, so that the leg spring 12 is clamped on the one hand between the blocked clutch lever 16 and on the other hand the eccentric 11 of the anti-theft unit 10, 11.
  • an unlocking takes place only in the event that the internal operating lever 4 is pivoted slightly clockwise about its axis 18, as indicated by an arrow in Fig. 3 and in the transition from Fig. 3 to Fig. 4 becomes clear.
  • the clutch lever 16 can be moved with its cam 21 along the guide 19 in the inner operating lever 4 and the cam 21 of the clutch lever 16 is able to immerse in the recess 23 on the release lever 3.
  • the clutch lever 16 acting in a corresponding sense acting and not explicitly illustrated spring responsible.
  • An adjoining action on the inside actuating lever 4 in the opening direction by a counterclockwise movement about the axis 18 then, proceeding from the functional position according to FIG. 2, causes the triggering lever 3 to be entrained, assuming its position shown in dash-dotted lines.
  • this process results in that the release lever 5 is pivoted about its axis 14 in the clockwise direction and the locking mechanism 1, 2 via the operating lever mechanism 3, 4, 16 by the release lever 3 in opening sense acted upon.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The invention relates to a motor vehicle door lock equipped with a locking mechanism (1, 2), an actuation lever unit (3, 4, 16) which interacts with the locking mechanism (1, 2), also a drive (6, 7, 8, 9) which impinges upon the actuation lever unit (3, 4, 16) and an unlocking lever (5) and finally, an anti-theft protection device (10, 11). According to the invention, a buffer element (12, 13) which is associated with the actuation lever unit (3, 4, 16) and the unlocking lever (5) is provided. Said buffer element (12, 13) is controlled by the anti-theft protection device (10, 11) according to a desired functional setting of the locking mechanism (1, 2).

Description

Kraftfah rzeugtü rversch I uss  Power vehicle door locks
Beschreibung: Description:
Die Erfindung betrifft einen Kraftfahrzeugtürverschluss, mit einem Gesperre, einem mit dem Gesperre wechselwirkenden Betätigungshebelwerk, ferner mit einem das Betätigungshebelwerk beaufschlagenden Antrieb, und mit einer Diebstahlsicherungseinheit. The invention relates to a motor vehicle door lock, with a locking mechanism, an actuating lever mechanism interacting with the locking mechanism, furthermore with a drive acting on the actuating lever mechanism, and with an anti-theft unit.
Derartige Kraftfahrzeugtürverschlüsse sind aus der Praxis bekannt und werden beispielhaft in der DE 10 2004 002 756 A1 beschrieben. Dabei dient die Diebstahlsicherungseinheit wie allgemein üblich dazu, das mit dem Gesperre mechanisch verbundene Betätigungshebelwerk leer gehen zu lassen, und zwar sowohl bei einer Beaufschlagung des Betätigungshebelwerkes mit einem Innenbetätigungshebel als auch bei einer Betätigung mit einem Außenbetätigungshebel. Dadurch wird sichergestellt, dass selbst bei beispielsweise eingeschlagener Fahrzeugscheibe ein Unbefugter die Kraftfahrzeugtür nicht über den Innenbetätigungshebel öffnen kann. Das gilt für den Fall, dass die Diebstahlsicherungseinheit aktiv ist. Dann befindet sich diese in der Position "Diebstahlsicherung ein". Such motor vehicle door locks are known from practice and are described by way of example in DE 10 2004 002 756 A1. In this case, the anti-theft unit serves, as is common practice, to make the actuating lever mechanism mechanically connected to the locking mechanism empty, both when the actuating lever mechanism is acted on by an internal operating lever and when actuated by an external operating lever. This ensures that even if, for example, a broken vehicle window, an unauthorized person can not open the motor vehicle door via the inside operating lever. This applies in the event that the anti-theft device is active. Then this is in the position "anti-theft device on".
Nimmt dagegen der Kraftfahrzeugtürverschluss die Stellung "Diebstahlsicherung aus" ein, so lässt sich die zugehörige Kraftfahrzeugtür sowohl von innen über den Innenbetätigungshebel als auch von außen über den Außenbetätigungshebel öffnen: Das setzt voraus, dass es sich beispielsweise nicht um eine hintere Seitentür handelt, bei welcher eine mögliche Kindersicherung eingelegt ist und werden kann. Das hat sich grundsätzlich bewährt. Neben Kraftfahrzeugtürverschlüssen mit einer solchen Diebstahlsicherungseinheit sind solche bekannt, die ergänzend eine Zuzieh-/Öffnungseinrichtung aufweisen. Verwiesen wird in diesem Zusammenhang auf das Gebrauchsmuster If, on the other hand, the motor vehicle door lock assumes the position "anti-theft device", the associated motor vehicle door can be opened from the inside via the inside operating lever as well as from the outside via the external operating lever: this assumes, for example, that it is not a rear side door in which a possible parental control is inserted and can be. This has proven itself in principle. In addition to motor vehicle door closures with such an anti-theft unit, those are known which additionally have a closing / opening device. Reference is made in this context to the utility model
DE 20 2008 015 789 U1. Darüber hinaus werden im Stand der Technik Öffnungseinrichtungen durch beispielsweise die DE 10 2004 052 599 A1 beschrieben, welche als Öffnungshilfen fungieren. Solche Öffnungseinrichtungen bzw. Öffnungshilfen greifen im einfachsten Fall auf einen elektrischen Antrieb zurück, welcher eine Sperrklinke von einer Drehfalle eines geschlossenen Gesperres abhebt. Dadurch kann die Drehfalle federunterstützt öffnen und einen zuvor gefangenen Schließbolzen und folglich die zugehörige Kraftfahrzeugtür im Ganzen freigeben. Der Stand der Technik kann nicht in allen Aspekten zufriedenstellen. Das gilt insbesondere im Hinblick auf die zuvor bereits beschriebenen Öffnungshilfen bzw. das sogenannte "elektrische Öffnen". Denn dieser Vorgang ist im konstruktiv günstigsten Fall damit verbunden, dass das Gesperre elektromotorisch ausgehoben wird und eine zugehörige Kraftfahrzeugtür freikommt. Für den Fall, dass dieser Vorgang unbeabsichtigt durch beispielsweise einen Fehlstrom, ein Fehlsignal etc. initiiert wird, stehen bisher keine überzeugenden Lösungen zur Verfügung, die dies verhindern. Hier setzt die Erfindung ein. DE 20 2008 015 789 U1. In addition, opening devices are described in the prior art by, for example, DE 10 2004 052 599 A1, which act as opening aids. In the simplest case, such opening devices or opening aids are based on an electric drive which lifts a pawl from a catch of a closed locking mechanism. As a result, the catch can open spring-assisted and release a previously captured locking pin and consequently the associated motor vehicle door as a whole. The prior art may not be satisfactory in all aspects. This applies in particular with regard to the previously described opening aids or the so-called "electrical opening". Because this process is in the structurally most favorable case associated with the fact that the locking mechanism is excavated by an electric motor and an associated motor vehicle door is released. In the event that this process is unintentionally initiated by, for example, a fault current, a false signal, etc., there are so far no convincing solutions available that prevent this. This is where the invention starts.
Der Erfindung liegt das technische Problem zugrunde, einen derartigen Kraftfahrzeugtürverschluss so weiter zu entwickeln, dass die Bedienungssicherheit insbesondere beim elektrischen Öffnen signifikant gesteigert ist und Fehlfunktionen vermieden werden. The invention is based on the technical problem of further developing such a motor vehicle door lock in such a way that operating safety, especially during electrical opening, is significantly increased and malfunctions are avoided.
Zur Lösung dieser technischen Problemstellung ist bei einem gattungsgemäßen Kraftfahrzeugtürverschluss im Rahmen der Erfindung vorgesehen, dass ein dem Betätigungshebelwerk und einem Entriegelungshebel zugeordnetes Pufferglied realisiert ist, welches von der Diebstahlsicherungseinheit nach Maßgabe einer gewünschten Funktionsstellung des Gesperres angesteuert wird. To solve this technical problem is provided in a generic motor vehicle door lock within the scope of the invention that a the Betätigungshebelwerk and a release lever associated buffer member is realized, which is controlled by the anti-theft device in accordance with a desired functional position of the locking mechanism.
Im Rahmen der Erfindung sorgt das Pufferglied in Verbindung mit der Diebstahlsicherungseinheit dafür, dass eine gleichsam zusätzliche Sicherung des Gesperres realisiert wird. Tatsächlich sorgt die Diebstahlsicherungseinheit dafür, dass ein elektrischer Öffnungsvorgang des Gesperres nur dann vollzogen wird, wenn die Diebstahlsicherungseinheit das Pufferglied zum zugehörigen Verschwenken des Gesperres freigibt. Erfährt das Pufferglied dagegen eine Blockade, so kann das Gesperre auch nicht in die geöffnete Funktionsstellung übergehen. Als Folge hiervon sind unbeabsichtigte Öffnungen des Gesperres ausgeschlossen, weil selbst in einem solchen Fall die Diebstahlsicherungseinheit das Pufferglied blockiert und folglich das Gesperre nicht geöffnet werden kann. In the context of the invention, the buffer member in conjunction with the anti-theft device ensures that as it were additional backup of the locking is realized. In fact, the anti-theft device ensures that an electrical opening operation of the locking mechanism is only performed when the anti-theft unit releases the buffer member for pivoting the locking mechanism. On the other hand, if the buffer member experiences a blockage, then the locking mechanism can not pass into the open functional position. As a result, unintentional openings of the locking mechanism are precluded, because even in such a case, the anti-theft unit blocks the buffer member and thus the locking mechanism can not be opened.
Tatsächlich ist das Pufferglied gleichsam zwischen dem das Betätigungshebelwerk beaufschlagenden Antrieb und dem Gesperre zwischengeschaltet. Der Antrieb arbeitet also auf das Pufferglied, welches seinerseits von dem Antrieb initiierte Bewegungen des Betätigungshebelwerkes auf das Gesperre überträgt. Dabei wird beispielsweise eine Öffnungsbewegung des Antriebes über das Betätigungshebelwerk und das Pufferglied schließlich auf das Gesperre nur für den Fall in eine Öffnungsbewegung des Gesperres umgesetzt, dass das Pufferglied nicht beispielsweise eine Blockade durch die Diebstahlsicherungs- einheit erfährt. Denn bei einer solchen Blockade des Puffergliedes wird das Gesperre von dem beaufschlagten Betätigungshebelwerk nicht beeinflusst, behält also im geschilderten Beispielfall seine geschlossene Position bei. In fact, the buffer member is as it were interposed between the actuating lever acting on the drive and the locking mechanism. The drive thus operates on the buffer member, which in turn transmits movements of the actuating lever mechanism initiated by the drive to the locking mechanism. In this case, for example, an opening movement of the drive via the actuating lever mechanism and the buffer member is finally transferred to the locking mechanism only in the event of an opening movement of the locking mechanism, such that the buffer member does not experience, for example, a blockage through the anti-theft locking unit. Because in such a blockade of the buffer member, the locking mechanism is not affected by the acted upon actuating lever mechanism, so it retains its closed position in the example case described.
Erst wenn bei von dem Antrieb betätigten Betätigungshebelwerk zusätzlich die Diebstahlsicherungseinheit das Pufferglied freigibt, ist das Betätigungshebelwerk in der Lage, eine Bewegung über das Pufferglied auf das Gesperre zu übertragen. Das heißt, im Rahmen der Erfindung werden etwaige und unbeabsichtigte elektrische Öffnungsvorgänge mit Hilfe der Diebstahlsicherungseinheit verhindert. Nur dann, wenn der das Betätigungshebelwerk Only when additionally actuated by the drive operating lever unit, the anti-theft unit releases the buffer member, the operating lever unit is able to transmit a movement on the buffer member to the locking mechanism. That is, within the scope of the invention, any and unintentional electrical opening operations are prevented by means of the anti-theft device. Only if the operating lever mechanism
beaufschlagende Antrieb und zugleich die Diebstahlsicherungseinheit in der Weise arbeiten, dass das Betätigungshebelwerk über das Pufferglied das Gesperre ausheben kann, wird der gewünschte Öffnungsvorgang beobachtet. Das alles gelingt mit frappierend einfachen Mitteln und in konstruktiv simpler Ausführungsform, so dass zu den beschriebenen Funktions- auch Kostenvorteile hinzutreten. acting drive and at the same time work the anti-theft unit in such a way that the operating lever mechanism can lift the locking mechanism on the buffer member, the desired opening operation is observed. All this can be achieved with strikingly simple means and in a structurally simple embodiment, so that cost advantages can be added to the described functionalities.
In jedem Fall ist die Auslegung so getroffen, dass das Pufferglied von der Diebstahlsicherungseinheit angesteuert wird. Soll das Gesperre seine Schließ- Stellung beibehalten, so wird das Pufferglied von der Diebstahlsicherungseinheit blockiert und kann nicht auf das Gesperre arbeiten, falls das Betätigungshebelwerk in öffnendem Sinne beaufschlagt wird. Soll dagegen das Gesperre geöffnet werden, so gibt die Diebstahlsicherungseinheit das Pufferglied frei. Dieses kann im Anschluss an eine Öffnungsbewegung des Betätigungshebel- werkes das Gesperre öffnen. D.h., das Pufferglied wird von der Diebstahlsicherungseinheit nach Maßgabe der gewünschten Funktionsstellung des Gesperres ("offen" oder "geschlossen") entsprechend angesteuert. In any case, the design is such that the buffer member is driven by the anti-theft device. If the locking mechanism to maintain its closed position, the buffer member is blocked by the anti-theft unit and can not work on the ratchet, if the operating lever mechanism is applied in the opening sense. If, on the other hand, the locking mechanism is to be opened, the anti-theft unit releases the buffer member. This can open the locking mechanism following an opening movement of the actuating lever mechanism. That is, the buffer member is controlled by the anti-theft device according to the desired functional position of the locking ("open" or "closed") accordingly.
Ganz abgesehen davon, kommt die Diebstahlsicherungseinheit natürlich ihrer üblichen und einleitend bereits beschriebenen Funktionalität nach. Das heißt, etwaige Beaufschlagungen des Betätigungshebelwerkes gehen solange mit Bezug auf das Gesperre leer, wie sich die Diebstahlsicherungseinheit in ihrer Position "eingelegt" befindet. Das heißt, in dieser Funktionsstellung sorgt die Diebstahlsicherungseinheit durchgängig dafür, dass etwaige Bewegungen des Betätigungshebelwerkes über das Pufferglied nicht auf das Gesperre übertragen werden. Vielmehr erfährt das Pufferglied bei einer solchen Vorgehensweise eine mehr oder minder ausgeprägte Kompression bzw. Auslenkung, und zwar ohne dass hiervon das Gesperre in irgendeiner Weise beeinflusst wird. Quite apart from this, the anti-theft device naturally follows its usual functionality already described in the introduction. That is, any actuations of the operating lever mechanism go empty with respect to the locking mechanism, as the anti-theft unit is in its "inserted" position. That is, in this functional position, the anti-theft unit consistently ensures that any movements of the operating lever mechanism via the buffer member are not transmitted to the locking mechanism. Rather, the buffer member learns in such a procedure, a more or less pronounced compression or deflection, and without this, the locking is affected in any way.
Erst wenn die Diebstahlsicherungseinheit in ihre Position "ausgelegt" überführt wird, kann das Betätigungshebelwerk das Gesperre in öffnendem Sinne beaufschlagen. Denn in diesem Fall werden beispielsweise öffnende Bewegungen des Betätigungshebelwerkes erneut auf das Pufferglied übertragen, welches diese Bewegungen aufgrund des Wegfalls seiner Blockade durch die Diebstahlsicherungseinheit auf das Gesperre zu dessen Öffnung überträgt. Dabei wird man die Auslegung immer so treffen, dass in der Stellung "Diebstahlsicherung eingelegt" sowohl ein etwaiger Innen betätig ungshebel als auch ein Außenbetätigungshebel mit Bezug zum Gesperre leer gehen. Only when the anti-theft device is transferred to its "designed" position, the operating lever mechanism can act on the locking mechanism in the opening direction. For in this case, for example, opening movements of the actuating lever mechanism are transmitted again to the buffer member, which transmits these movements due to the elimination of its blockade by the anti-theft unit on the locking mechanism to the opening. In this case, one will always make the interpretation that in the position "anti-theft device inserted" both a possible inside actuating lever and an external operating lever with respect to the locking mechanism go empty.
Erfindungsgemäß ist dem Betätigungshebelwerk ein Entriegelungshebel zugeordnet Meistens ist dem Entriegelungshebel auch das angesprochene Pufferglied zugeordnet. Dabei hat sich eine zweiteilige Ausführungsform des Puffergliedes als besonders günstig erwiesen. Tatsächlich setzt sich das Pufferglied im Regelfall aus einer Kippfeder und einer Schenkelfeder zusammen. According to the invention, a release lever is associated with the actuating lever mechanism. In most cases, the release lever is also associated with the addressed buffer member. In this case, a two-part embodiment of the buffer member has proven to be particularly favorable. In fact, the buffer member is usually composed of a tilt spring and a leg spring together.
Die Kippfeder sorgt im Allgemeinen dafür, dass das Betätigungshebelwerk je nach seiner Stellung in Richtung "öffnen" oder in Richtung "geschlossen halten" des Gesperres beaufschlagt wird. Zu diesem Zweck greift die Kippfeder meistens an dem Entriegelungshebel an. Hat dieser Entriegelungshebel eine bestimmte Position im Vergleich zum Gesperre überschritten, so mag die Kippfeder den Entriegelungshebel in Richtung "öffnen" des Gesperres beaufschlagen. Liegt dagegen eine andere Position des Entriegelungshebels vor, so sorgt die Kippfeder dafür, dass der Entriegelungshebel und mit ihm das Betätigungshebelwerk in Richtung "geschlossen halten" des Gesperres beaufschlagt werden. The tipping spring generally ensures that the operating lever mechanism, depending on its position in the direction of "open" or in the direction of "keep closed" of the locking is applied. For this purpose, the tilt spring usually attacks the release lever. If this release lever has exceeded a certain position in comparison to the locking mechanism, then the tilt spring may act on the unlocking lever in the direction "open" of the locking mechanism. If, on the other hand, another position of the unlocking lever is present, the tilting spring ensures that the unlocking lever and with it the actuating lever mechanism are acted upon in the direction of "keeping closed" of the locking mechanism.
Unabhängig von der Kippfeder ist bekanntermaßen zusätzlich noch eine Schenkelfeder realisiert. Diese Schenkelfeder mag einerseits mit einem Regardless of the tipping spring is known to additionally implemented a leg spring. This leg spring likes on the one hand with a
Kupplungshebel und andererseits mit dem Entriegelungshebel und/oder der Diebstahlsicherungseinheit wechselwirken. Dabei liegt meistens der eine freie Schenkel der Schenkelfeder an dem Kupplungshebel an. Dieser freie Schenke! erfährt folglich je nach Position des Kupplungshebels und/oder eines mit dem Kupplungshebel wechselwirkenden Innenbetätigungshebels eine Beaufschlagung und kann dieser Beaufschlagung auch folgen. Demgegenüber liegt der andere feste Schenkel der Schenkelfeder an einem Zapfen des Entriegelungshebels an. Außerdem wechselwirkt die Diebstahlsicherungs-einheit mit dem fraglichen festen Schenkel der Schenkelfeder. Clutch lever and on the other hand interact with the release lever and / or the anti-theft device. This is usually the one free leg of the leg spring on the clutch lever. This free tavern! As a result, depending on the position of the clutch lever and / or an internal operating lever interacting with the clutch lever, it experiences an action and can also follow this action. In contrast, the other fixed leg of the leg spring abuts against a pin of the unlocking lever. In addition, the anti-theft unit interacts with the leg of the leg of the leg in question.
Zu diesem Zweck ist die Schenkelfeder vorteilhafterweise auf dem Entriegelungshebel gelagert. Dabei hat sich eine im Wesentlichen achsgleiche Lagerung zu einer Drehachse des Entriegelungshebels als besonders günstig erwiesen. Das heißt, die Achse der Schenkelfeder und die Drehachse des Entriegelungshebels fallen im Allgemeinen aufeinander bzw. ineinander. For this purpose, the leg spring is advantageously mounted on the release lever. In this case, a substantially coaxial bearing to a rotational axis of the unlocking lever has proven to be particularly favorable. That is, the axis of the leg spring and the axis of rotation of the release lever generally coincide with each other.
Der bereits angesprochene und im Allgemeinen an dem freien Schenkel der Schenkelfeder anliegende Kupplungshebel ist typischerweise in zumindest einer Führung gelagert. Meistens kommen zwei Führungen für dem Kupplungshebel zum Einsatz. Die beiden Führungen sind im Regelfall in jeweils benachbarten Hebeln vorgesehen. Dabei hat es sich bewährt, wenn die eine Führung in einem Innenbetätigungshebel und die andere Führung im Entriegelungshebel realisiert sind. Auf diese Weise kann der Kupplungshebel problemlos am freien Schenkel der Schenkelfeder zwischen seinen Stellungen "unwirksam" und "wirksam" entlang gleiten. The already mentioned and generally applied to the free leg of the leg spring clutch lever is typically mounted in at least one guide. Mostly two guides are used for the clutch lever. The two guides are usually provided in each adjacent levers. It has been proven that the one guide in an internal operating lever and the other guide are realized in the release lever. In this way, the clutch lever can easily slide along the free leg of the leg spring between its "ineffective" and "effective" positions.
Befindet sich der Kupplungshebel in seiner Stellung "unwirksam", so entspricht dies der Stellung "verriegelt" des Kraftfahrzeugtürverschlusses. Das Gesperre If the clutch lever is "inoperative" in its position, this corresponds to the "locked" position of the motor vehicle door lock. The locking mechanism
lässt sich lediglich über den Innenbetätigungshebel - und nicht den Außenbetätigungshebel - öffnen, sofern die Diebstahlsicherung zusätzlich ihre Position "aus" einnimmt. Ist der Kupplungshebel dagegen in seiner "wirksamen" Stellung positioniert, so befindet sich der Kraftfahrzeugtürverschluss insgesamt in seiner Position "entriegelt". Auch in diesem Fall werden etwaige Bewegungen des Betätigungshebelwerkes nur dann in öffnendem Sinne auf das Gesperre übertragen, wenn die Diebstahlsicherungseinheit ihre Stellung "ausgelegt" einnimmt. Andernfalls führen Betätigungen des Betätigungshebelwerkes dazu, dass das Betätigungshebelwerk in verformendem Sinne auf das Pufferglied arbeitet, ohne dass das Gesperre eine Öffnung erfährt. Grundsätzlich kann die Diebstahlsicherungseinheit in dieser Funktionsstellung "entriegelt" auch mechanisch durch das in öffnendem Sinne betätigten Betätigungshebel werk ausgelegt werden. Im Ergebnis wird ein Kraftfahrzeugtürverschluss zur Verfügung gestellt, der insbesondere im Hinblick auf die Funktion "elektrisches Öffnen" einen bedeutenden Sicherheitszuwachs aufweist. Denn selbst unbeabsichtigte elektrische Öffnungsvorgänge werden nicht in eine Gesperreöffnung umgesetzt, solange die Diebstahlsicherungseinheit ihre Funktionsstellung "eingelegt" beibehält. Erst wenn zusätzlich die Diebstahlsicherungseinheit ihre Position "ausgelegt" einnimmt, kann die gewünschte elektrische Öffnung in die Gesperreöffnung umgesetzt werden. can only be opened via the inside operating lever - and not the external operating lever - if the anti-theft device additionally assumes its "off" position. On the other hand, if the clutch lever is positioned in its "operative" position, then the vehicle door latch is "unlocked" in its entirety. Also in this case, any movements of the operating lever mechanism are only transferred in an opening sense on the locking mechanism when the anti-theft unit assumes its position "designed". Otherwise, actuations of the actuating lever mechanism cause the operating lever mechanism to work in a deforming sense on the buffer member without the locking member experiencing an opening. In principle, the anti-theft device in this functional position "unlocked" can also be designed mechanically by the operating lever operated in the opening sense. As a result, a motor vehicle door lock is provided, which has a significant safety increase, in particular with regard to the "electric opening" function. Because even unintentional electrical opening operations are not converted into a locking opening, as long as the anti-theft unit maintains its functional position "inserted". Only when in addition the anti-theft unit assumes its position "designed", the desired electrical opening can be converted into the locking opening.
Im Folgenden wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung näher erläutert; es zeigen: In the following the invention will be explained in more detail with reference to a drawing showing only one exemplary embodiment; show it:
Fig. 1 den erfindungsgemäßen Kraftfahrzeugtürverschluss in einer Fig. 1 the motor vehicle door lock according to the invention in one
Übersicht in der Stellung "entriegelt" sowie Diebstahlsicherungseinheit "ausgelegt", Overview in the position "unlocked" and anti-theft unit "designed",
Fig. 2 den Kraftfahrzeugtürverschluss nach Fig. 1 bei einem elektrischen Öffnungsvorgang, Fig. 3 den Kraftfahrzeugtürverschluss nach den Fig. 1 und 2 in verriegeltem Zustand mit eingelegter Diebstahlsicherungseinheit und 1 in an electrical opening operation, Fig. 3 the motor vehicle door lock according to FIGS. 1 and 2 in the locked state with inserted anti-theft device and
Fig. 4 den Gegenstand nach den Fig. 1 bis 3 im Zuge eines mechanischen Öffnungsvorganges. Fig. 4 shows the object according to FIGS. 1 to 3 in the course of a mechanical opening operation.
In der Fig. 1 ist ein Kraftfahrzeugtürverschluss dargestellt, der mit einem lediglich angedeuteten Gesperre 1 , 2 ausgerüstet ist. Tatsächlich erkennt man in den Figuren durchweg eine Sperrklinke 1 , die in üblicher Art und Weise mit einer Drehfalle 2 wechselwirkt. Die jedoch nicht ausdrücklich dargestellt ist. Denn die Sperrklinke 1 und die Drehfalle 2 sind zusammenfassend in einer senkrecht zu den jeweils dargestellten Zeichenebenen angeordneten Ebene platziert. Mit dem Gesperre 1, 2 wechselwirkt ein Betätigungshebelwerk 3, 4, 16, welches sich im Detail aus einem Auslösehebel 3, einem Innenbetätigungshebel 4 und Kupplungshebeln 16 zusammensetzt und schließlich mit einem Entriegelungshebel 5 im Beispielfall zusammenwirkt. Grundsätzlich können auch noch mehr Hebel realisiert sein, beispielsweise ein Außenbetätigungshebel, ein weiterer Kupplungshebel etc., die jedoch nicht dargestellt und für die zu beschreibende Erfindung unbeachtlich sind. Außerdem ist ein Antrieb 6 bis 9 zu erkennen, der das Betätigungshebelwerk 3, 4, 16 beaufschlagt. Schließlich gehört zum grundsätzlichen Aufbau eine Diebstahlsicherungseinheit 10, 11. In Fig. 1, a motor vehicle door lock is shown, which is equipped with a merely indicated locking mechanism 1, 2. In fact, one recognizes consistently in the figures, a pawl 1, which interacts with a rotary latch 2 in the usual manner. Which is not expressly shown. For the pawl 1 and the rotary latch 2 are summarized placed in a plane perpendicular to each of the illustrated planes level. With the ratchet 1, 2 interacts an operating lever mechanism 3, 4, 16, which is composed in detail of a release lever 3, an internal operating lever 4 and coupling levers 16 and finally cooperates with a release lever 5 in the example. In principle, even more levers can be realized, for example, an external operating lever, another clutch lever, etc., which, however, are not shown and are irrelevant to the invention to be described. In addition, a drive 6 to 9 can be seen, which acts on the operating lever mechanism 3, 4, 16. Finally, the basic structure includes an anti-theft unit 10, 11.
Im Rahmen der Erfindung ist dem Betätigungshebelwerk 3, 4, 16 und dem Entriegelungshebel 5 ein Pufferglied 12, 13 zugeordnet. Dieses Pufferglied 12, In the context of the invention, the operating lever mechanism 3, 4, 16 and the release lever 5, a buffer member 12, 13 assigned. This buffer member 12,
13 wird von der Diebstahlsicherungseinheit 10, 11 angesteuert. Das hängt von der gewünschten Funktionsstellung des Gesperres 1 , 2 ab. Anders ausgedrückt, gibt die Diebstahlsicherungseinheit 10, 11 das Pufferglied 12, 13 frei oder blockiert dieses. Im Rahmen des Ausführungsbeispiels setzt sich das Pufferglied 12, 13 aus einer Schenkelfeder 12 und einer Kippfeder 13 zusammen, ist also zweiteilig ausgelegt. Die Kippfeder 13 sorgt je nach Stellung des Entriegelungshebels 5 und folglich des Betätigungshebelwerkes 3, 4, 16 im Ganzen dafür, dass der Entriegelungshebel 5 in Richtung "öffnen" oder "geschlossen halten" des Gesperres 1 , 2 beaufschlagt wird. 13 is driven by the anti-theft unit 10, 11. This depends on the desired functional position of the locking mechanism 1, 2. In other words, the anti-theft unit 10, 11 releases or blocks the buffer member 12, 13. In the context of the embodiment, the buffer member 12, 13 is composed of a leg spring 12 and a tilt spring 13, so it is designed in two parts. Depending on the position of the unlocking lever 5 and consequently of the actuating lever mechanism 3, 4, 16, the tilting spring 13 as a whole ensures that the unlocking lever 5 is acted upon in the direction "open" or "keep closed" of the locking mechanism 1, 2.
Befindet sich beispielsweise der Entriegelungshebel 5 in der Position "verriegelt" des Kraftfahrzeugtürverschlusses nach Fig. 3, so beaufschlagt die Kippfeder 13 den Entriegelungshebel 5 derart, dass dieser im angedeuteten Gegenuhrzeigersinn um seine Achse 14 beaufschlagt wird. Nimmt dagegen die Kippfeder 13 bzw. der zugeordnete Entriegelungshebel 5 die Position nach Fig. 2 "entriegelt" ein, so beaufschlagt die Kippfeder 13 den Entriegelungshebel 5 dergestalt, dass dieser eine Drehung im dargestellten Uhrzeigersinn um seine Achse 14 vollführt. Dadurch kann der Auslösehebel 3 in der Funktionsstellung nach Fig. 2 beim dort gezeigten "elektrischen Öffnen" mit dem Auslegearm 15 auf die Sperrklinke 1 arbeiten und die Sperrklinke 1 bei diesem Vorgang von der zugehörigen und nicht dargestellten Drehfalle 2 abheben. Das Gesperre 1 , 2 wird folgerichtig am Ende der dargestellten Bewegung nach Fig. 2 "elektrisch öffnen" ebenfalls geöffnet. Demgegenüber wechselwirkt die Schenkelfeder 12 einerseits mit einem Kupplungshebel 16 und andererseits mit dem Entriegelungshebel 5 und/oder der Diebstahlsicherungseinheit 10, 11. Zu diesem Zweck liegt der eine freie Schenkel 12a der Schenkelfeder 12 an dem Kupplungshebel 16 an, die an dem fraglichen freien Schenkel 12a der Schenkelfeder 12 überwiegend linear entlang If, for example, the unlocking lever 5 is in the "locked" position of the motor vehicle door lock according to FIG. 3, then the tilt spring 13 acts on the unlocking lever 5 in such a way that it is acted upon about its axis 14 in the indicated counterclockwise direction. If, on the other hand, the tilt spring 13 or the associated unlocking lever 5 "unlocks" the position according to FIG. 2, then the tilt spring 13 acts on the unlocking lever 5 in such a way that it makes a rotation about its axis 14 in the illustrated clockwise direction. As a result, the release lever 3 in the functional position of Fig. 2 in the "electrical opening" shown there with the extension arm 15 to work on the pawl 1 and lift the pawl 1 in this process from the associated rotary latch 2, not shown. The locking mechanism 1, 2 is logically also open at the end of the illustrated movement of FIG. 2 "electrically open". In contrast, the leg spring 12 interacts on the one hand with a clutch lever 16 and on the other hand with the release lever 5 and / or the anti-theft unit 10, 11. For this purpose, the one free leg 12a of the leg spring 12 abuts on the clutch lever 16, which on the free leg 12a in question the leg spring 12 predominantly linear along
gleiten kann. Demgegenüber stützt sich der andere feste Schenkel 12b der Schenkelfeder 12 an einem Anschlag 17 des Entriegelungshebels 5 ab. Zusätzlich ist diesem festen Schenkel 12b der Schenkelfeder 12 die Diebstahlsicherungseinheit 10, 11 mit ihrem Exzenter 11 zugeordnet. Je nach Position der Diebstahlsicherungseinheit 10, 11 blockiert der Exzenter 11 den festen Schenkel 12b der Schenkelfeder 12 und hält die Schenkelfeder 12 gleichsam fest. Das gilt für die Stellung "Diebstahlsicherungseinheit eingelegt". Befindet sich dagegen die Diebstahlsicherungseinheit 10, 11 in ihrer Position "ausgelegt", so gibt der Exzenter 11 den fraglichen festen Schenkel 12b der Schenkelfeder 12 frei. can slide. In contrast, the other fixed leg 12b of the leg spring 12 is supported on a stop 17 of the unlocking lever 5. In addition, this leg 12b of the leg spring 12, the anti-theft unit 10, 11 associated with its eccentric 11. Depending on the position of the anti-theft unit 10, 11, the eccentric 11 blocks the fixed leg 12b of the leg spring 12 and holds the leg spring 12 as it were. This applies to the position "anti-theft device inserted". If, on the other hand, the anti-theft unit 10, 11 is "designed" in its position, then the eccentric 11 releases the fixed leg 12b of the leg spring 12 in question.
Die Schenkelfeder 12 ist im Wesentlichen achsgleich im Vergleich zu dem Entriegelungshebel 5 auf diesem gelagert. Das heißt, die Rotationsachse der Schenkelfeder 12 fällt größtenteils mit der Drehachse 14 des Entriegelungshebels 5 zusammen. Außerdem ist die Auslegung meistens so getroffen, dass der zuvor bereits in Bezug genommene Antrieb 6 bis 9 als Öffnungsantrieb ausgebildet ist. Zu diesem Zweck setzt sich der Antrieb 6 bis 9 aus einem Elektromotor 6 und einer vom Elektromotor 6 angetriebenen Abtriebsschnecke 7 zusammen. Die Abtriebsschnecke 7 kämmt außenumfangseitig mit einer Abtriebsscheibe 8, die ihrerseits einen Exzenter 9 trägt. Auf diese Weise kann der Antrieb 6 bis 9 mit dem Auslösehebel 3 wechselwirken. The leg spring 12 is mounted substantially coaxially in comparison to the release lever 5 on this. That is, the axis of rotation of the leg spring 12 largely coincides with the axis of rotation 14 of the release lever 5. In addition, the design is usually made so that the previously already referred to drive 6 to 9 is designed as an opening drive. For this purpose, the drive 6 to 9 is composed of an electric motor 6 and an output screw 7 driven by the electric motor 6. The output worm 7 meshes with the outer peripheral side with a driven pulley 8, which in turn carries an eccentric 9. In this way, the drive 6 to 9 interact with the release lever 3.
Befindet sich der Auslösehebel 3 in der Position nach der Fig. 3, so sorgt der Antrieb bzw. Öffnungsantrieb 6 bis 9 im Rahmen des elektrischen Öffnungsganges nach Fig. 2 zunächst einmal dafür, dass der Auslösehebel 3 von seiner durchgezogen dargestellten Ausgangsposition in die strichpunktiert dargestellte Stellung überführt wird (vgl. Fig. 2). Das besorgt der Exzenter 9, welcher an einem Arm des Auslösehebels 3 anschlägt und den Auslösehebel 3 um seine Achse 18 hierbei im Gegenuhrzeigersinn verschwenkt. If the release lever 3 is in the position according to FIG. 3, then the drive or opening drive 6 to 9, as part of the electrical opening operation according to FIG. 2, first of all ensures that the release lever 3 is represented by its initial position in the dash-dotted line Position is transferred (see Fig. 2). This worried the eccentric 9, which abuts an arm of the release lever 3 and the release lever 3 is pivoted about its axis 18 in this case counterclockwise.
Durch diesen Vorgang kommt die zuvor blockierte Kupplungshebel 16 frei. Tatsächlich ist der fragliche Kupplungshebel 16 in zwei Führungen 19, 20 gelagert. Dabei findet sich die eine Führung 19 für den Kupplungshebel 16 im Innenbetätigungshebel 4, wohingegen die andere Führung 20 im Entriegelungshebel 5 realisiert ist. Der Kupplungshebel 16 greift mit einem Nocken 21 in die Führung 19 des Innenbetätigungshebels 4 ein und wird hierdurch unverlierbar in der betreffenden Führung 19 des Innenbetätigungshebels 4 und auch der Führung 20 im Entriegelungshebel 5 gehalten und linear geführt. Through this process, the previously blocked clutch lever 16 is released. In fact, the coupling lever 16 in question is mounted in two guides 19, 20. In this case, there is a guide 19 for the clutch lever 16 in the inner operating lever 4, whereas the other guide 20 is realized in the release lever 5. The clutch lever 16 engages with a cam 21 in the guide 19 of the inner actuating lever 4 and is thereby held captive in the respective guide 19 of the inner actuating lever 4 and also the guide 20 in the release lever 5 and guided linearly.
Man erkennt, dass der Kupplungshebel 16 ferner mit einem Zapfen 22 ausgerüstet ist, welcher an dem freien Schenkel 12a der Schenkelfeder 12 entlang gleitet. Geht der Kupplungshebel 16 von seiner in der Fig. 2 dargestellten rechten und "unwirksamen" Stellung ("verriegelt") in die linke und "wirksame" Position (entriegelt) über, so gleitet der fragliche Zapfen 22 an dem freien Ende 12a der Schenkelfeder 12 in eine radial äußere Position. Als Folge hiervon erfährt die Schenkelfeder 12 eine zunehmende Beaufschlagung. Außerdem kommt der Kupplungshebel 16 mit seinem Nocken 21 von dem Auslösehebel 3 frei und fährt diesbezüglich in eine Ausnehmung 23 an dem Auslösehebel 3 ein. It can be seen that the clutch lever 16 is further equipped with a pin 22 which slides on the free leg 12a of the leg spring 12 along. When the clutch lever 16 moves from its right and "inoperative" position ("locked") shown in FIG. 2 into the left and "effective" positions (unlocked), the pin 22 in question slides on the free end 12a of the leg spring 12 in a radially outer position. As a result, the leg spring 12 experiences an increasing load. In addition, the clutch lever 16 is released with its cam 21 of the release lever 3 and moves in this regard in a recess 23 on the trigger lever 3 a.
Die Funktionsweise ist wie folgt. In der Fig. 1 ist die Stellung (mechanisch) "entriegelt" und daran anschließend das mechanische Öffnen bei "ausgelegter" Diebstahlsicherungseinheit 10, 11 dargestellt. Man erkennt, dass zunächst einmal der Auslösehebel 3 eine Gegenuhrzeigersmnbewegung um seine Achse 18 ausgehend von der verriegelten Stellung nach Fig. 3 vollführt hat. Dieser Übergang des Auslösehebels 3 von der Stellung "verriegelt" nach Fig. 3 in die Position "entriegelt" entsprechend der Fig. 1 kann mechanisch dadurch initiiert werden, dass der Innenbetätigungshebel 4 geringfügig im Uhrzeigersinn um The operation is as follows. In Fig. 1, the position (mechanical) "unlocked" and then the mechanical opening at "laid out" anti-theft device 10, 11 shown. It can be seen that, first of all, the triggering lever 3 has performed a counterclockwise movement about its axis 18 starting from the locked position according to FIG. This transition of the trigger lever 3 from the "locked" position of FIG. 3 in the "unlocked" position shown in FIG. 1 can be mechanically initiated by the fact that the inner operating lever 4 slightly clockwise order
seine Achse 18 verschwenkt wird, wie dies ein Pfeil in Fig. 3 andeutet. Tatsächlich sind der Innenbetätigungshebel 4 und der Auslösehebel 3 achsgleich um die gemeinsame Achse 18 drehbar ausgelegt. Dieser Vorgang führt dazu, dass der Kupplungshebel 16 mit ihrem Nocken 21 in die Ausnehmung 23 des Auslösehebels 3 fährt. Dieser Vorgang wird dadurch unterstützt, dass die Kippfeder 13 hierbei den Entriegelungshebel 5 im Uhrzeigersinn beaufschlagt, wie dies die Fig. 2 deutlich macht. Jedenfalls befindet sich nach diesem mechanischen Entriegelungsvorgang der Innenbetätigungshebel 4 mit dem Kupplungshebel 16 bzw. dem von der Kupplungshebel 16 getragenen Nocken 21 in Anlage an dem Auslösehebel 3 in der zugehörigen Ausnehmung 23. Sobald ausgehend von dieser Funktionsstellung nach Fig. 1 der Innenbetätigungshebel 4 um seine Achse 18 im Gegenuhrzeigersinn verschwenkt wird, wie dies die Fig. 1 andeutet, sorgt der hierbei mitgenommene Kupplungshebel 16 über den am freien Schenkel 12a anliegenden Zapfen 22 dafür, dass die Schenkelfeder 12 beaufschlagt wird. its axis 18 is pivoted, as indicated by an arrow in Fig. 3. In fact, the inner operating lever 4 and the release lever 3 are designed to be coaxially rotatable about the common axis 18. This process causes the clutch lever 16 moves with its cam 21 in the recess 23 of the release lever 3. This process is supported by the fact that the tilt spring 13 in this case acts on the release lever 5 in the clockwise direction, as shown in FIG. 2 makes clear. In any case, after this mechanical unlocking of the inner lever 4 with the clutch lever 16 and the cam carried by the clutch lever 16 21 in abutment with the release lever 3 in the associated recess 23. Once starting from this functional position of FIG. 1, the inner lever 4 to his Axis 18 is pivoted in the counterclockwise direction, as indicated in FIG. 1, the hereby entrained clutch lever 16 via the voltage applied to the free leg 12 a pin 22 ensures that the leg spring 12 is acted upon.
Da die Schenkelfeder 12 mit ihrem festen Ende 12b nicht durch die Diebstahlsicherungseinheit 10, 11 bzw. deren Exzenter 11 eine Blockade erfährt, weil sich die Diebstahlsicherungseinheit 10, 11 im Zustand "ausgelegt" befindet, nimmt die Schenkelfeder 12 bei diesem Vorgang den Entriegelungshebel 5 "mit". Hierzu greift der feste Schenkel 12b der Schenkelfeder 12 an dem Anschlag 17 des Entriegelungshebels 5 an. Der Entriegelungshebel 5 vollführt also eine Schwenkbewegung im Uhrzeigersinn um seine Achse 14, wie sie bereits in der Fig. 2 und auch in der Fig. 1 angedeutet ist. Als Folge hiervon sorgt der Entriegelungshebel 5 dafür, dass die Sperrklinke 1 von der Drehfalle 2 über das Betätigungshebelwerk 3, 4, 16 abgehoben werden kann. Das Gesperre 1 , 2 ist mechanisch geöffnet worden. Since the leg spring 12 with its fixed end 12b is not blocked by the anti-theft unit 10, 11 or its eccentric 11 because the anti-theft unit 10, 11 is in the "designed" state, the leg spring 12 takes the release lever 5 "in this process. With". For this purpose, the fixed leg 12b of the leg spring 12 engages the stop 17 of the unlocking lever 5. The unlocking lever 5 thus performs a pivoting movement in the clockwise direction about its axis 14, as it is already indicated in FIG. 2 and also in FIG. 1. As a result, the release lever 5 ensures that the pawl 1 can be lifted off the catch 2 via the operating lever mechanism 3, 4, 16. The locking mechanism 1, 2 has been mechanically opened.
Ein ähnliches Szenario wird in der Fig. 2 beobachtet. Hier ist der Vorgang "elektrisches Öffnen" bildlich dargestellt. Bei diesem elektrischen Öffnen muss zunächst der Auslösehebel 3 durch den Antrieb bzw. Öffnungsantrieb 6, 7, 8, 9 in seine Stellung "entriegelt" überführt werden, wie in der Fig. 2 strichpunktiert dargestellt ist. Demgegenüber korrespondiert die Position "verriegelt" des Auslösehebels 3 zu seiner durchgezogenen Stellung. Um diesen Positionswechsel zu erreichen, schlägt der Exzenter 9 des Antriebes 6, 7, 8, 9 gegen einen Arm des Auslösehebels 3 und sorgt dafür, dass der Auslösehebel 3 beim Übergang von der durchgezogen dargestellten Position "verriegelt" in die strichpunktiert gezeigte Stellung eine geringfügigeA similar scenario is observed in FIG. Here the process "electrical opening" is depicted. In this electrical opening, the release lever 3 must first be "unlocked" by the drive or opening drive 6, 7, 8, 9, as shown in phantom in FIG. In contrast, the position "locked" corresponds to the release lever 3 to its solid position. In order to achieve this position change, the eccentric 9 of the drive 6, 7, 8, 9 strikes against an arm of the release lever 3 and ensures that the release lever 3 in the transition from the position shown in solid "locked" in the position shown in phantom a slight
Gegenuhrzeigersinnbewegung entsprechend der Pfeilrichtung um seine Achse 18 vollführt und dabei die Sperrklinke 1 aushebt. Counterclockwise movement corresponding to the direction of the arrow around its axis 18 performs while the pawl 1 lifts.
Als Folge hiervon kann der Kupplungshebel 16 mit ihrem Nocken 21 in die Ausnehmung 23 des Auslösehebels 3 einfahren. Dieser Vorgang hat zur Folge, dass die Schenkelfeder 12 eine zunehmende Beaufschlagung an ihrem freien Schenkelende 12a erfährt, weil der Kupplungshebel 16 hierbei nach radial außen bewegt wird und der an dem Kupplungshebel 16 anliegende Zapfen 22 das freie Schenkelende 12 der Schenkelfeder 12 zunehmend mit Kraft beaufschlagt. Wenn bei diesem Vorgang die Diebstahlsicherungseinheit 10, 11 zugleich ausgelegt wird (vgl. den Pfeil in Fig. 2), so erfährt der Entriegelungshebel 5 die angedeutete Drehung im Uhrzeigersinn um seine Achse 14, denn die Schenkelfeder 12 wird an ihrem freien Schenkelende 12a beaufschlagt. Das geschieht entweder durch den Zapfen 22 oder ergänzend dadurch, dass der Innenbetätigungshebel 4 um seine Achse 18 im Gegenuhrzeigersinn entsprechend der Darstellung nach Fig. 1 verschwenkt wird. Jedenfalls sorgt die Beaufschlagung der Schenkelfeder 12 an ihrem freien Schenkelende 12a dafür, dass das feste Schenkelende 12b über den Anschlag 17 den Entriegelungshebel As a result, the clutch lever 16 can retract with its cam 21 in the recess 23 of the release lever 3. This process has the consequence that the leg spring 12 undergoes an increasing load on its free leg end 12a, because the clutch lever 16 is moved radially outwardly and the voltage applied to the clutch lever 16 pin 22, the free leg end 12 of the leg spring 12 increasingly applied with force , If the anti-theft device 10, 11 is designed at the same time in this process (see the arrow in Fig. 2), the release lever 5 undergoes the indicated rotation clockwise about its axis 14, because the leg spring 12 is acted upon at its free leg end 12a. This is done either by the pin 22 or supplementarily in that the inner operating lever 4 is pivoted about its axis 18 in the counterclockwise direction as shown in FIG. In any case, the application of the leg spring 12 at its free leg end 12a ensures that the fixed leg end 12b on the stop 17, the release lever
5 in der beschriebenen Drehrichtung im Uhrzeigersinn um die Achse 14 mitnimmt. 5 in the direction of rotation in the clockwise direction about the axis 14 entrains.
Der Vorgang "Diebstahlsicherungseinheit 10, 1 1 auslegen" kann sowohl elek- trisch als auch mechanisch vorgenommen werden. So oder so korrespondiert dieser Vorgang dazu, dass der Exzenter 11 von der zuvor eingenommenen Position "eingelegt" entsprechend der Fig. 3 respektive nach Fig. 2 in Pfeilrichtung verschwenkt wird und danach die Position "ausgelegt" entsprechend der Fig. 4 bzw. gemäß Fig. 1 einnimmt. Dadurch kommt insgesamt das feste Schenkelende 12b der Schenkelfeder 12 von der Diebstahlsicherungseinheit 10, 11 bzw. dem Exzenter 11 frei und kann der Entriegelungshebel 5 wie beschrieben um seine Achse 14 im Uhrzeigersinn verschwenken. Als Folge hiervon wird erneut die von dem Auslösehebel 3 über das Betätigungshebelwerk 3, 4, 16 dann beaufschlagte Sperrklinke 1 von der zugehörigen Drehfalle 2 abgehoben. The process "design anti-theft unit 10, 1 1" can be carried out both electrically and mechanically. Either way, this process corresponds to the fact that the eccentric 11 is "pivoted" from the previously assumed position according to FIG. 3 or according to FIG. 2 in the direction of the arrow and then the position "designed" according to FIG. 4 or according to FIG 1 occupies. As a result, the fixed leg end 12b of the leg spring 12 is released from the anti-theft unit 10, 11 or the eccentric 11 and the unlocking lever 5 can pivot around its axis 14 in the clockwise direction as described. As a consequence, the pawl 1, which is then acted upon by the release lever 3 via the actuating lever mechanism 3, 4, 16, is again lifted off the associated rotary latch 2.
Das heißt, im Zuge des elektrischen Öffnens nach der Fig. 2 sorgt die Diebstahlsicherungseinheit 10, 1 1 u. a. und im Kern dafür, dass unbeabsichtigte Öffnungsvorgänge nicht zu einer Gesperreöffnung führen. Denn das Gesperre 1 , 2 wird nur und ausschließlich dann geöffnet, wenn zuvor die Diebstahlsicherungseinheit 10, 11 mit ihrem Exzenter 11 das feste Schenkelende 12b der Schenkelfeder 2 freigegeben hat. Findet diese Freigabe im Rahmen der dargestellten Funktion nach Fig. 2 nicht statt, so wird die Schenkelfeder 12 durch den beaufschlagten Innenbetätigungshebel 4 komprimiert, ohne dass hierbei der Entriegelungshebel 5 seine dargestellte Position verändert. Nur dann, wenn das feste Schenkelende 12b nicht (mehr) von dem Exzenter 11 der Diebstahlsicherungseinheit 10, 1 1 blockiert wird, vollführt der Entriegelungshebel 5 die beschriebene Uhrzeigersinndrehung um seine Achse 14 und wird das Gesperre 1 , 2 geöffnet. That is, in the course of electrical opening according to FIG. 2, the anti-theft device 10, 1 1 and others in the core ensures that unintentional opening operations do not lead to a Gesperreöffnung. Because the locking mechanism 1, 2 is only and exclusively opened when previously the anti-theft device 10, 11 with its eccentric 11 has released the fixed leg end 12b of the leg spring 2. If this release does not take place within the scope of the illustrated function according to FIG. 2, the leg spring 12 is compressed by the applied internal actuating lever 4, without the release lever 5 changing its position shown. Only when the fixed leg end 12b is not (more) blocked by the eccentric 11 of the anti-theft unit 10, 1 1, the release lever 5 performs the described clockwise rotation about its axis 14 and the locking mechanism 1, 2 is opened.
In der Funktionsstellung nach der Fig. 3 befindet sich der Kraftfahrzeug- türverschluss in der Position "verriegelt". Denn der Kupplungshebel 16 liegt mit seinem Nocken 21 am Auslösehebel 3 an und wird durch den Auslösehebel 3 blockiert. Außerdem befindet sich die Diebstahlsicherungseinheit 10, 11 in ihrer Funktionsstellung "eingelegt", so dass die Schenkelfeder 12 einerseits zwischen dem blockierten Kupplungshebel 16 und andererseits dem Exzenter 11 der Diebstahlsicherungseinheit 10, 11 festgespannt ist. Hiervon ausgehend findet eine Entriegelung nur für den Fall statt, dass der Innenbetätigungshebel 4 geringfügig im Uhrzeigersinn um seine Achse 18 verschwenkt wird, wie dies ein Pfeil in der Fig. 3 andeutet und beim Übergang von der Fig. 3 zur Fig. 4 deutlich wird. Denn im Anschluss daran kann der Kupplungshebel 16 mit seinem Nocken 21 entlang der Führung 19 im Innenbetätigungshebel 4 bewegt werden und ist der Nocken 21 des Kupplungshebels 16 in der Lage, in die Ausnehmung 23 am Auslösehebel 3 einzutauchen. Hierfür mag eine den Kupplungshebel 16 in entsprechendem Sinne beaufschlagende und nicht ausdrücklich dargestellte Feder verantwortlich zeichnen. Eine daran anschließende Beaufschlagung des Innenbetätigungshebels 4 in öffnendem Sinne durch eine Gegenuhrzeigersinn- bewegung um die Achse 18 führt dann ausgehend von der Funktionsstellung nach Fig. 2 dazu, dass der Auslösehebel 3 mitgenommen wird, seine strichpunktiert dargestellte Position einnimmt. In the functional position according to FIG. 3, the motor vehicle door lock is in the "locked" position. For the clutch lever 16 rests with its cam 21 on the release lever 3 and is blocked by the release lever 3. In addition, the anti-theft device 10, 11 is "inserted" in its functional position, so that the leg spring 12 is clamped on the one hand between the blocked clutch lever 16 and on the other hand the eccentric 11 of the anti-theft unit 10, 11. On this basis, an unlocking takes place only in the event that the internal operating lever 4 is pivoted slightly clockwise about its axis 18, as indicated by an arrow in Fig. 3 and in the transition from Fig. 3 to Fig. 4 becomes clear. Because then, the clutch lever 16 can be moved with its cam 21 along the guide 19 in the inner operating lever 4 and the cam 21 of the clutch lever 16 is able to immerse in the recess 23 on the release lever 3. For this purpose, the clutch lever 16 acting in a corresponding sense acting and not explicitly illustrated spring responsible. An adjoining action on the inside actuating lever 4 in the opening direction by a counterclockwise movement about the axis 18 then, proceeding from the functional position according to FIG. 2, causes the triggering lever 3 to be entrained, assuming its position shown in dash-dotted lines.
Ist bei diesem Vorgang die Diebstahlsicherungseinheit 10, 11 "ausgelegt", so resultiert dieser Vorgang darin, dass der Entriegelungshebel 5 um seine Achse 14 im Uhrzeigersinn verschwenkt wird und das Gesperre 1 , 2 über das Betätigungshebelwerk 3, 4, 16 durch den Auslösehebel 3 in öffnendem Sinne beaufschlagt. If the anti-theft device 10, 11 "designed" in this process, this process results in that the release lever 5 is pivoted about its axis 14 in the clockwise direction and the locking mechanism 1, 2 via the operating lever mechanism 3, 4, 16 by the release lever 3 in opening sense acted upon.

Claims

Patentansprüche: claims:
1. Kraftfahrzeugtürverschluss, mit einem Gesperre (1 , 2), einem mit dem Gesperre (1 , 2) wechselwirkenden Betätigungshebelwerk (3, 4, 16), ferner mit einem das Betätigungshebelwerk (3, , 16) beaufschlagenden Antrieb (6, 7, 8, 9), und mit einer Diebstahlsicherungseinheit (10, 11), d a d u r c h g e k e n n z e i c h n e t, dass dem Betätigungshebelwerk (3, 4, 16) und einem mit dem Betätigungshebelwerk (3, 4, 16) zusammenwirkenden Entriegelungshebel (5) ein Pufferglied (12, 13) zugeordnet ist, welches von der Diebstahlsicherungseinheit (10, 11) nach Maßgabe einer gewünschten Funktionsstellung des Gesperres (1, 2) angesteuert wird. A motor vehicle door lock, comprising a locking mechanism (1, 2), an actuating lever mechanism (3, 4, 16) interacting with the locking mechanism (1, 2), and a drive (6, 7, 3, 16) acting on the actuating lever mechanism (3, 16). 8, 9), and with an anti-theft unit (10, 11), characterized in that the actuating lever mechanism (3, 4, 16) and an unlocking lever (5) cooperating with the actuating lever mechanism (3, 4, 16) comprises a buffer member (12, 13 ), which is controlled by the anti-theft unit (10, 11) in accordance with a desired functional position of the locking mechanism (1, 2).
2. Kraftfahrzeugtürverschluss nach Anspruch , dadurch gekennzeichnet, dass das Pufferglied (12, 13) zwischen dem Antrieb (6, 7, 8, 9) und dem Gesperre (1 , 2) angeordnet ist. 2. Motor vehicle door lock according to claim, characterized in that the buffer member (12, 13) between the drive (6, 7, 8, 9) and the locking mechanism (1, 2) is arranged.
3. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass das Pufferglied (12, 13) zweiteilig mit einer Schenkelfeder (12) und einer Kippfeder (13) ausgebildet ist. 3. Motor vehicle door lock according to one of claims 1 to 2, characterized in that the buffer member (12, 13) in two parts with a leg spring (12) and a tilt spring (13) is formed.
4. Kraftfahrzeugtürverschluss nach Anspruch 3, dadurch gekennzeichnet, dass die Kippfeder (13) den Entriegelungshebel (5) je nach dessen Stellung in4. Motor vehicle door lock according to claim 3, characterized in that the tilt spring (13) the unlocking lever (5) depending on its position in
Richtung "öffnen" oder "geschlossen halten" des Gesperres (1 , 2) beaufschlagt. Direction "open" or "keep closed" of the locking (1, 2) acted upon.
5. Kraftfahrzeugtürverschluss nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die Schenkelfeder (12) einerseits mit einem Kupplungshebel (16) und andererseits mit dem Entriegelungshebel (5) und/oder der Diebstahlsicherungseinheit (10, 11) wechseiwirkt. 5. Motor vehicle door lock according to claim 3 or 4, characterized in that the leg spring (12) on the one hand with a clutch lever (16) and on the other hand with the release lever (5) and / or the anti-theft unit (10, 11).
6. Kraftfahrzeugtürverschluss nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, dass der eine freie Schenkel (12a) der Schenkelfeder (12) an 6. Motor vehicle door lock according to one of claims 3 to 5, characterized in that the one free leg (12 a) of the leg spring (12)
dem Kupplungshebel (16) und der andere feste Schenkel (12b) an einem Zapfen (17) des Entriegelungshebels (5) anliegt. the clutch lever (16) and the other fixed leg (12b) bears against a pin (17) of the unlocking lever (5).
7. Kraftfahrzeugtürverschluss nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass die Schenkelfeder (12) auf dem Entriegelungshebel (5) im7. Motor vehicle door lock according to one of claims 3 to 6, characterized in that the leg spring (12) on the unlocking lever (5) in
Wesentlichen achsgleich zu seiner Drehachse (14) gelagert ist. Is mounted substantially coaxially with its axis of rotation (14).
8. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Antrieb (6, 7, 8, 9) als Öffnungsantrieb (6, 7, 8, 9) ausgebildet ist und hierzu einen von einem Elektromotor (6) angetriebenen Exzenter (9) aufweist. 8. Motor vehicle door lock according to one of claims 1 to 7, characterized in that the drive (6, 7, 8, 9) as an opening drive (6, 7, 8, 9) is formed and this one of an electric motor (6) driven eccentric (9).
9. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass der Antrieb (6, 7, 8, 9) mit einem Auslösehebel (3) wechselwirkt. 9. Motor vehicle door lock according to one of claims 1 to 8, characterized in that the drive (6, 7, 8, 9) interacts with a release lever (3).
10. Kraftfahrzeugtürverschuss nach Anspruch 1 bis 9, dadurch gekennzeichnet, dass der Entriegelungshebel (5) in Stellung "entriegelt" den zuvor blockierten Kupplungshebel (16) freigibt. 10. Kraftfahrzeugtürverschuss according to claim 1 to 9, characterized in that the unlocking lever (5) in the "unlocked" releases the previously blocked clutch lever (16).
11. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass der Kupplungshebel (16) in zumindest einer Führung (19, 20) gelagert ist. 11. Motor vehicle door lock according to one of claims 1 to 10, characterized in that the coupling lever (16) in at least one guide (19, 20) is mounted.
12. Kraftfahrzeugtürverschluss nach Anspruch 11 , dadurch gekennzeichnet, dass zwei Führungen (19, 20) für den Kupplulngshebel (16) vorgesehen sind, die in jeweils benachbarten Hebeln (4, 5) realisiert sind. 12. Motor vehicle door lock according to claim 11, characterized in that two guides (19, 20) for the Kupplulngshebel (16) are provided which are realized in each adjacent levers (4, 5).
13. Kraftfahrzeugtürverschluss nach Anspruch 12, dadurch gekennzeichnet, dass die eine Führung (19) in einem Innenbetätigungshebel (4) und die andere Führung (20) in einem Entriegelungshebel (5) realisiert ist. 13. Motor vehicle door lock according to claim 12, characterized in that the one guide (19) in an internal operating lever (4) and the other guide (20) in a release lever (5) is realized.
14. Kraftfahrzeugtürverschluss nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass die Diebstahlsicherungseinheit (10, 1) mit einem Motor (10) und einem von dem Motor (10) beaufschlagten Exzenter (11) zur Blockade des festen Schenkels (12b) der Schenkelfeder (12) ausgerüstet ist. 14. Motor vehicle door lock according to one of claims 1 to 13, characterized in that the anti-theft unit (10, 1) with a motor (10) and one of the motor (10) acted upon eccentric (11) for blocking the fixed leg (12 b) Leg spring (12) is equipped.
EP12727248.2A 2011-04-23 2012-03-28 Motor vehicle door lock Active EP2702218B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110018512 DE102011018512A1 (en) 2011-04-23 2011-04-23 Motor vehicle door lock
PCT/DE2012/000349 WO2012146223A2 (en) 2011-04-23 2012-03-28 Motor vehicle door lock

Publications (2)

Publication Number Publication Date
EP2702218A2 true EP2702218A2 (en) 2014-03-05
EP2702218B1 EP2702218B1 (en) 2017-09-13

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EP12727248.2A Active EP2702218B1 (en) 2011-04-23 2012-03-28 Motor vehicle door lock

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US (1) US9574379B2 (en)
EP (1) EP2702218B1 (en)
JP (1) JP6236678B2 (en)
KR (1) KR101572247B1 (en)
CN (1) CN103608539B (en)
CA (1) CA2832224A1 (en)
DE (1) DE102011018512A1 (en)
WO (1) WO2012146223A2 (en)

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Also Published As

Publication number Publication date
DE102011018512A1 (en) 2012-10-25
WO2012146223A3 (en) 2013-02-21
KR20140033052A (en) 2014-03-17
JP2014514475A (en) 2014-06-19
US20140203572A1 (en) 2014-07-24
CN103608539A (en) 2014-02-26
EP2702218B1 (en) 2017-09-13
WO2012146223A2 (en) 2012-11-01
JP6236678B2 (en) 2017-11-29
KR101572247B1 (en) 2015-11-26
CA2832224A1 (en) 2012-11-01
CN103608539B (en) 2016-02-03
US9574379B2 (en) 2017-02-21

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