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EP0565929A1 - Closing device for a door, a hood or hinged cover lock of a motor vehicle - Google Patents

Closing device for a door, a hood or hinged cover lock of a motor vehicle Download PDF

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Publication number
EP0565929A1
EP0565929A1 EP93104996A EP93104996A EP0565929A1 EP 0565929 A1 EP0565929 A1 EP 0565929A1 EP 93104996 A EP93104996 A EP 93104996A EP 93104996 A EP93104996 A EP 93104996A EP 0565929 A1 EP0565929 A1 EP 0565929A1
Authority
EP
European Patent Office
Prior art keywords
lock
locking bolt
latch
motor vehicle
pawl
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
EP93104996A
Other languages
German (de)
French (fr)
Other versions
EP0565929B1 (en
Inventor
Ulrich Budde
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.)
Bomoro Bocklenberg and Motte GmbH and Co KG
Original Assignee
Bomoro Bocklenberg and Motte GmbH and Co KG
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 Bomoro Bocklenberg and Motte GmbH and Co KG filed Critical Bomoro Bocklenberg and Motte GmbH and Co KG
Publication of EP0565929A1 publication Critical patent/EP0565929A1/en
Application granted granted Critical
Publication of EP0565929B1 publication Critical patent/EP0565929B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
    • E05B81/22—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening by movement of the striker
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/02—Striking-plates; Keepers; Bolt staples; Escutcheons
    • E05B15/0205—Striking-plates, keepers, staples
    • E05B15/022—Striking-plates, keepers, staples movable, resilient or yieldable
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/16—Locks for luggage compartments, car boot lids or car bonnets
    • 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
    • Y10S292/41—Door latch separation prevention
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1044—Multiple head
    • Y10T292/1045—Operating means
    • Y10T292/1047—Closure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1082—Motor
    • 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
    • Y10T292/175—Bolt releasers
    • Y10T292/18—Free-end-engaging means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/68—Keepers
    • Y10T292/696—With movable dog, catch or striker
    • Y10T292/699—Motor controlled

Definitions

  • the invention relates to a motor vehicle door lock, hood lock or flap lock with the features of the preamble of claim 1.
  • the known motor vehicle lock from which the invention is based (US Pat. No. 4,775,178) is suitable as a door lock, hood lock or flap lock for motor vehicles; in the prior art it is explained using the example of a door lock for a minibus.
  • Such motor vehicle locks operated with an auxiliary motor are also of particular importance for hoods and flaps, for example for tailgates of station wagons, since the motorized closure is of particular importance there because of the forces required there.
  • the lock latch While in other known motor vehicle door locks with a motorized closing aid, the lock latch, usually designed as a fork rotary latch, is moved from the pre-closing position to the main closing position (and vice versa in the case of a motorized opening aid), the special feature of the motor vehicle lock from which the invention is based is that the movement of the two body parts against each other between the pre-closed position and the main closed position is effected by rotating the locking bolt about an eccentric axis.
  • the lock latch is only held in a closed position, the latching position, by the pawl, with the latch latch unchanged from this latching position, which at this moment is the pre-closing position of the door lock as a whole, the lock latch including the pawl and the associated lock mechanism are provided by the Rotation of the locking bolt pulled into the main closing position.
  • the eccentricity of the axis relative to the central axis of the locking bolt must be selected, but a large eccentricity has the disadvantage that the locking bolt in the mouth of the lock latch performs a relatively strong lateral relative movement to which the mouth of the lock latch is matched must become.
  • the known motor vehicle lock which has been described above, must be opened manually.
  • the invention is based on the object of designing and developing the known motor vehicle lock explained at the outset in such a way that it can also be opened by a motor without any particular technical outlay.
  • the above task is in a motor vehicle door lock, hood lock or flap lock with the features of the preamble of claim 1 by the Features of the characterizing part of claim 1 solved.
  • Particularly preferred embodiments of this solution are the subject of the following claims.
  • the locking bolt represents a force transmission element which makes it possible to transmit the driving force of the auxiliary motor arranged on one body part into the lock mechanism arranged on the opposite body part.
  • the invention makes use of the knowledge that there is logically a mechanical connection of the lock mechanism with the lock latch and pawl to the locking bolt when the motor vehicle lock is closed. But this is also only the phase in which - to open the motor vehicle lock - the pawl must be acted upon by the auxiliary motor in order to be released from the latching action with the lock latch.
  • Fig. 1 shows a motor vehicle lock for a tailgate of a station wagon.
  • the lock mechanism 2 can generally be recognized by a carrier 1 of the motor vehicle flap lock, the carrier 1 will usually be arranged on the tailgate.
  • the lock mechanism 2 initially includes a lock latch 3 which can be displaced from an open position into a latching position and a pawl 4 which holds the latch latch 3 in the latching position by means of latching.
  • Fig. 1 shows the top of the lock mechanism 2 with the latch latch 3 in the latching position; Part of the motor vehicle lock shown separately from the lock mechanism 2.
  • the pawl 4 is connected via a slot-pin connection 8 to an opening lever 9, on which can be mechanically pulled to open. With a detent 10, the pawl 4 grips a locking shoulder 11 on the lock latch 3 and holds it in the locking position shown. If the opening lever 9 is pulled clockwise, it takes the pawl 4 and lifts the catch 10 out of the locking shoulder 11 so that the lock latch 3 can pivot clockwise into the open position.
  • the motor vehicle lock shown has a locking bolt 12 which is gripped by the lock latch 3 in the latching position.
  • the locking bolt 12 is attached to a carrier 13, which will often be arranged on the body frame.
  • the locking bolt 12 is rotatably mounted about an axis 15 arranged eccentrically to its central axis 14. It can be rotated about the axis 15 by an auxiliary motor (electric motor, which is not shown here) between a pre-closing position and the main closing position shown in FIG. 1.
  • an auxiliary motor electric motor, which is not shown here
  • the main locking position is shown here, it is about the bottom dead center of the locking bolt 12.
  • the pawl 4 can be released or released from the latching action with the lock latch 3 by a force effect derived from the rotary movement of the locking bolt 12 from the main locking position in the direction of the locking position.
  • the exemplary embodiment shown in FIG. 1 and in this respect considerably preferred shows a much simpler solution which requires only a very slight change in the locking bolt 12.
  • the locking bolt 12 has a control flange 16 lying eccentrically to the axis 15 and the pawl 4 has a control surface 17 projecting into the path of movement of the control flange 16 and in the main closed position of the control flange 16 is just before or just in contact with the control surface 17 and by the rotation of the locking bolt 12 from the main closed position in the direction of the pre-closed position, the pawl 4 is released from the latching with the lock latch 3 and the lock latch 3 is released.
  • control flange 16 is formed on the head of the locking bolt 12 is.
  • the arrangement of the control flange 16 on the head of the locking bolt 12 corresponds to a design of the locking bolt 12 which is expedient anyway for safety reasons, so that practically only a very slight change to the existing locking bolt 12 is required.
  • the control flange 16 can also be arranged elsewhere on the shaft of the locking bolt 12 if this should be preferred in terms of installation technology.
  • FIG. 2 is basically constructed in exactly the same way as the embodiment shown in FIG. 1.
  • the same reference numerals are used, so that corresponding explanations are unnecessary.
  • Also indicated below is the pre-closing position of the locking bolt 12 at the top dead center with the top "+” representing the top position of the central axis 14.
  • the axis 15 lies between the two characters "+".
  • the embodiment shown in FIG. 2 differs from the embodiment shown in FIG. 1 in that the control flange 16 of the locking bolt 12 is not only eccentric to the axis 15 but also eccentric to the central axis 14 of the locking bolt 12.
  • An additional eccentric position of the control flange 16 on the locking bolt 12 makes additional manufacturing effort, but can result in an even better, clearer opening control of the pawl 4 under certain installation conditions.
  • the control flange 16 already executes a sideways opening movement for the pawl 4 while the locking bolt 12 itself is still running before bottom dead center.
  • the locking bolt 12 for the intended construction of a motor vehicle lock, it is possible to control the pawl for opening the motor vehicle lock from the auxiliary motor just as easily as with the differently designed motor vehicle door locks with a lock latch driven by the auxiliary motor.

Landscapes

  • Lock And Its Accessories (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

A motor-vehicle door lock, bonnet lock or flap lock, with a lock latch 3 displaceable out of an opening position into a catch position, with a detent pawl 4 keeping the lock latch 3 in the catch position by engagement, and with a locking bolt 12 behind which the lock latch 3 engages in the catch position, in which lock the locking bolt 12 is mounted rotatably about an axis 15 arranged eccentrically to its mid-axis 14 and is rotatable by means of an auxiliary motor about the axis 15 between a pre-locking position and a main locking position, can be opened motively, even without a special technical outlay, if the detent pawl 4 can be released from engagement with the lock latch 3 by means of a force effect derived from the rotation of the locking bolt 12 out of the main locking position in the direction of the pre-locking position, and the lock latch 3 can thus be released. In particular, this is achieved by means of a control flange 16 which, in the main locking position, is located just in front of or exactly in bearing contact with a control face 17 of the detent pawl 4. …<IMAGE>…

Description

Die Erfindung betrifft ein Kraftfahrzeug-Türschloß, -Haubenschloß oder -Klappenschloß mit den Merkmalen des Oberbegriffs von Anspruch 1.The invention relates to a motor vehicle door lock, hood lock or flap lock with the features of the preamble of claim 1.

Das bekannte Kraftfahrzeugschloß, von dem die Erfindung ausgeht (US-Patent 4,775,178), ist als Türschloß, Haubenschloß oder Klappenschloß für Kraftfahrzeuge geeignet, im Stand der Technik ist es am Beispiel eines Türschlosses für einen Minibus erläutert. Besondere Bedeutung haben solche mit einem Hilfsmotor betriebenen Kraftfahrzeugschlösser auch für Hauben und Klappen, beispielsweise für Heckklappen von Kombiwagen, da die motorische Schließung wegen der dort erforderlichen Kräfte dort von besonderer Bedeutung ist.The known motor vehicle lock from which the invention is based (US Pat. No. 4,775,178) is suitable as a door lock, hood lock or flap lock for motor vehicles; in the prior art it is explained using the example of a door lock for a minibus. Such motor vehicle locks operated with an auxiliary motor are also of particular importance for hoods and flaps, for example for tailgates of station wagons, since the motorized closure is of particular importance there because of the forces required there.

Während bei sonstigen bekannten Kraftfahrzeug-Türschlössern mit motorischer Schließhilfe die Schloßfalle, zumeist als Gabel-Drehfalle ausgeführt, von der Vorschließstellung in die Hauptschließstellung (bei einer motorischen Öffnungshilfe auch umgekehrt) bewegt wird, ist die Besonderheit des Kraftfahrzeugschlosses, von dem die Erfindung ausgeht, daß die Bewegung der beiden Karosserieteile gegeneinander zwischen Vorschließstellung und Hauptschließstellung durch eine Drehung des Schließbolzens um eine exzentrische Achse bewirkt wird. Bei dieser Konstruktion wird also die Schloßfalle nur in einer Schließstellung, der Raststellung, von der Sperrklinke gehalten, bei unveränderter Position der Schloßfalle wird aus dieser Raststellung, die in diesem Augenblick die Vorschließstellung des Türschlosses insgesamt ist, die Schloßfalle samt Sperrklinke und zugehöriger Schloßmechanik durch die Drehung des Schließbolzens in Hauptschließstellung gezogen. Je nach gewünschtem Weg zwischen Vorschließstellung und Hauptschließstellung ist die Exzentrizität der Achse gegenüber der Mittelachse des Schließbolzens zu wählen, eine große Exzentrizität hat allerdings den Nachteil, daß der Schließbolzen im Maul der Schloßfalle eine relativ starke seitliche Relativbewegung ausführt, auf die das Maul der Schloßfalle abgestimmt werden muß.While in other known motor vehicle door locks with a motorized closing aid, the lock latch, usually designed as a fork rotary latch, is moved from the pre-closing position to the main closing position (and vice versa in the case of a motorized opening aid), the special feature of the motor vehicle lock from which the invention is based is that the movement of the two body parts against each other between the pre-closed position and the main closed position is effected by rotating the locking bolt about an eccentric axis. In this construction, the lock latch is only held in a closed position, the latching position, by the pawl, with the latch latch unchanged from this latching position, which at this moment is the pre-closing position of the door lock as a whole, the lock latch including the pawl and the associated lock mechanism are provided by the Rotation of the locking bolt pulled into the main closing position. Depending on the desired path between the pre-closing position and the main closing position, the eccentricity of the axis relative to the central axis of the locking bolt must be selected, but a large eccentricity has the disadvantage that the locking bolt in the mouth of the lock latch performs a relatively strong lateral relative movement to which the mouth of the lock latch is matched must become.

Bei dem bekannten Kraftfahrzeugschloß, von dem die Erfindung ausgeht, sind verschiedene Schalter zum Erfassen unterschiedlicher Positionen des Schließbolzens bzw. damit verbundener Steuerscheiben oder Steuerelemente vorgesehen. Beim Öffnen des Türschlosses wird die Sperrklinke durch Ziehen an einem Öffnungshebel aus der Verrastung mit der Schloßfalle gelöst und die Schloßfalle wird freigegeben, so daß sie in die Öffnungsstellung - geöffnete Tür - zurückkehren kann. Der Schließbolzen folgt dabei der Bewegung der Tür, die diese unter Wirkung der Rückstell-Federkraft des Tür-Dichtungselementes ausführt. Gleichzeitig mit dem Ausheben der Sperrklinke und Rückkehr der Schloßfalle in die Öffnungsstellung wird ein Schalter betätigt, der die Rückdrehung des Schließbolzens aus der Hauptschließstellung in die Vorschließstellung mittels des Hilfsmotors auslöst.In the known motor vehicle lock from which the invention is based, there are different switches for detecting different positions of the locking bolt or associated control disks or control elements. When opening the door lock, the pawl is released by pulling an opening lever out of the latching with the lock latch and the lock latch is released so that it can return to the open position - opened door. The locking bolt follows the movement of the door, which this executes under the action of the restoring spring force of the door sealing element. Simultaneously with the lifting of the pawl and the return of the lock latch to the open position, a switch is actuated which triggers the return rotation of the locking bolt from the main closed position to the pre-closed position by means of the auxiliary motor.

Das bekannte Kraftfahrzeugschloß, das zuvor beschrieben worden ist, muß manuell geöffnet werden. Man könnte auf die Idee kommen, dieses Kraftfahrzeugschloß auch motorisch zu öffnen, beispielsweise wenn es als Kraftfahrzeug-Haubenschloß oder Kraftfahrzeug-Klappenschloß realisiert ist. Dazu würde man dann eine zusätzliche Betätigungsmöglichkeit für den Öffnungshebel der Sperrklinke beispielsweise durch ein Solenoid vorsehen. Das ist aber mit erheblichem technischen Aufwand verbunden.The known motor vehicle lock, which has been described above, must be opened manually. One could come up with the idea of also opening this motor vehicle lock by a motor, for example if it is implemented as a motor vehicle hood lock or a motor vehicle flap lock. To do this, one would then provide an additional actuation option for the opening lever of the pawl, for example by means of a solenoid. However, this involves considerable technical effort.

Eine bei der weiter oben erläuterten bekannten Technik mit vom Hilfsmotor angetriebener Schloßfalle bekannte Möglichkeit, den Hilfsmotor zum Antrieb der Schloßfalle auch zum Betätigen der Sperrklinke beim Öffnen zu nutzen (wozu dort eine Freilaufverbindung vorgesehen ist, DE-A 37 08 095), ist bei dem gattungsgemäßen Kraftfahrzeugschloß, von dem die Erfindung ausgeht, nicht realisierbar. Hier ist nämlich der Hilfsmotor dem Schließbolzen am einen Karosserieteil zugeordnet, während sich die Sperrklinke mit der Schloßfalle am gegenüberliegenden Karosserieteil befindet.In the known technology explained above, with a lock latch driven by the auxiliary motor, the possibility of using the auxiliary motor to drive the lock latch to actuate the pawl when opening (for which a free-wheel connection is provided there, DE-A 37 08 095) is included in the Generic motor vehicle lock from which the invention is based, not realizable. This is because the auxiliary motor is assigned to the locking bolt on one body part, while the pawl with the lock latch is located on the opposite body part.

Der Erfindung liegt die Aufgabe zugrunde, das eingangs erläuterte, bekannte Kraftfahrzeugschloß so auszugestalten und weiterzubilden, daß es auch ohne besonderen technischen Aufwand motorisch geöffnet werden kann. Die zuvor aufgezeigte Aufgabe ist bei einem Kraftfahrzeug-Türschloß, -Haubenschloß oder -Klappenschloß mit den Merkmalen des Oberbegriffs von Anspruch 1 durch die Merkmale des kennzeichnenden Teils von Anspruch 1 gelöst. Besonders bevorzugte Ausgestaltungen dieser Lösung sind Gegenstand der nachfolgenden Ansprüche.The invention is based on the object of designing and developing the known motor vehicle lock explained at the outset in such a way that it can also be opened by a motor without any particular technical outlay. The above task is in a motor vehicle door lock, hood lock or flap lock with the features of the preamble of claim 1 by the Features of the characterizing part of claim 1 solved. Particularly preferred embodiments of this solution are the subject of the following claims.

Erfindungsgemäß ist erkannt worden, daß der Schließbolzen ein Kraftübertragungselement darstellt, das es ermöglicht, die Antriebskraft des am einen Karosserieteil angeordneten Hilfsmotors in die am gegenüberliegenden Karosserieteil angeordnete Schloßmechanik zu übertragen. Dabei wird erfindungsgemäß von der Erkenntis Gebrauch gemacht, daß logischerweise eine mechanische Verbindung der Schloßmechanik mit Schloßfalle und Sperrklinke mit dem Schließbolzen bei geschlossenem Kraftfahrzeugschloß gegeben ist. Dies aber ist auch nur die Phase, in der - zum Öffnen des Kraftfahrzeugschlosses - die Sperrklinke vom Hilfsmotor her kraftmäßig beaufschlagt werden muß, um aus der Verrastung mit der Schloßfalle gelöst zu werden.According to the invention, it has been recognized that the locking bolt represents a force transmission element which makes it possible to transmit the driving force of the auxiliary motor arranged on one body part into the lock mechanism arranged on the opposite body part. The invention makes use of the knowledge that there is logically a mechanical connection of the lock mechanism with the lock latch and pawl to the locking bolt when the motor vehicle lock is closed. But this is also only the phase in which - to open the motor vehicle lock - the pawl must be acted upon by the auxiliary motor in order to be released from the latching action with the lock latch.

Mit dieser Überlegung gewinnt man dann die Möglichkeit, die Drehbewegung des Schließbolzens zur Einwirkung auf die Sperrklinke zu nutzen. Das kann über zwischengeschaltete Hebel in der Schloßmechanik geschehen, die vom Schließbolzen angetrieben, jedoch beim Öffnen der Kraftfahrzeugtür von diesem gelöst werden. Besonders bevorzugt ist die Ausführung des Anspruchs 2, die extrem einfach und preisgünstig und dabei sehr zuverlässig ist. Weitere Ausgestaltungen dazu sind Gegenstand der Ansprüche 3 und 4.With this consideration, you then gain the opportunity to use the rotary movement of the locking bolt to act on the pawl. This can be done via intermediate levers in the lock mechanism, which are driven by the locking bolt, but are released from the latter when the motor vehicle door is opened. Particularly preferred is the embodiment of claim 2, which is extremely simple and inexpensive and very reliable. Further refinements are the subject of claims 3 and 4.

Die Erfindung wird nachfolgend anhand der Zeichnung nochmals kurz erläutert. In der Zeichnung zeigt

Fig. 1
in einer Ansicht ein Kraftfahrzeugschloß in der Ausführung als Kraftfahrzeug-Klappenschloß in einem ersten Ausführungsbeispiel und
Fig. 2
in Fig. 1 entsprechender Darstellung ein Kraftfahrzeug-Klappenschloß in einem zweiten Ausführungsbeispiel.
The invention is briefly explained again below with reference to the drawing. In the drawing shows
Fig. 1
in a view a motor vehicle lock in the embodiment as a motor vehicle flap lock in a first embodiment and
Fig. 2
1 corresponding representation of a motor vehicle flap lock in a second embodiment.

In der Zeichnung zeigt Fig. 1 ein Kraftfahrzeugschloß für eine Heckklappe eines Kombiwagen. Man erkennt zunächst an einem Träger 1 allgemein die Schloßmechanik 2 des Kraftfahrzeug-Klappenschlosses, der Träger 1 wird meist an der Heckklappe angeordnet sein. Zur Schloßmechanik 2 gehört zunächst eine aus einer Öffnungsstellung in eine Raststellung verlagerbare Schloßfalle 3 sowie eine die Schloßfalle 3 in der Raststellung durch Verrastung haltende Sperrklinke 4. Fig. 1 zeigt oben die Schloßmechanik 2 mit in Raststellung befindlicher Schloßfalle 3, zum einfachen Verständnis ist der weitere Teil des Kraftfahrzeugschlosses getrennt von der Schloßmechanik 2 dargestellt. Man erkennt die Schwenkachse 5 für die Schloßfalle 3 und die Schwenkachse 6 für die Sperrklinke 4 und man erkennt eine die Schloßfalle 3 und die Sperrklinke 4 aufeinander zu vorspannende Feder 7, die gleichzeitig als Auswerferfeder für die Schloßfalle 3 dient. Die Sperrklinke 4 ist über eine Langloch-Zapfen-Verbindung 8 mit einem Öffnungshebel 9 verbunden, an dem zum Öffnen mechanisch gezogen werden kann. Mit einer Raste 10 hinterfaßt die Sperrklinke 4 eine Rastschulter 11 an der Schloßfalle 3 und hält diese so in der dargestellten Raststellung. Wird der Öffnungshebel 9 im Uhrzeigersinn gezogen, so nimmt er die Sperrklinke 4 mit und hebt so die Raste 10 aus der Rastschulter 11, so daß die Schloßfalle 3 im Uhrzeigersinn in Öffnungsstellung schwenken kann.In the drawing, Fig. 1 shows a motor vehicle lock for a tailgate of a station wagon. The lock mechanism 2 can generally be recognized by a carrier 1 of the motor vehicle flap lock, the carrier 1 will usually be arranged on the tailgate. The lock mechanism 2 initially includes a lock latch 3 which can be displaced from an open position into a latching position and a pawl 4 which holds the latch latch 3 in the latching position by means of latching. Fig. 1 shows the top of the lock mechanism 2 with the latch latch 3 in the latching position; Part of the motor vehicle lock shown separately from the lock mechanism 2. You can see the pivot axis 5 for the lock latch 3 and the pivot axis 6 for the pawl 4 and you can see a spring 7 to bias the lock latch 3 and the pawl 4, which also serves as an ejector spring for the lock latch 3. The pawl 4 is connected via a slot-pin connection 8 to an opening lever 9, on which can be mechanically pulled to open. With a detent 10, the pawl 4 grips a locking shoulder 11 on the lock latch 3 and holds it in the locking position shown. If the opening lever 9 is pulled clockwise, it takes the pawl 4 and lifts the catch 10 out of the locking shoulder 11 so that the lock latch 3 can pivot clockwise into the open position.

Oben in Fig. 1 ist nur schematisch angedeutet, unten ist genauer zu sehen, daß das dargestellte Kraftfahrzeugschloß einen in der Raststellung von der Schloßfalle 3 hinterfaßten Schließbolzen 12 aufweist. Der Schließbolzen 12 ist an einem Träger 13 angebracht, der häufig am Karosserierahmen angeordnet sein wird. Der Schließbolzen 12 ist um eine exzentrisch zu seiner Mittelachse 14 angeordnete Achse 15 drehbar gelagert. Er ist um die Achse 15 durch einen Hilfsmotor (Elektromotor, der hier nicht dargestellt ist) zwischen einer Vorschließstellung und der in Fig. 1 dargestellten Hauptschließstellung drehbar. Durch Drehung des Schließbolzens 12 wird das der Schloßfalle 3 zugeordnete Karosserieteil, hier also die Heckklappe, an das dem Schließbolzen 12 zugeordnete Karosserieteil, hier also den Karosserierahmen herangezogen bis die Hauptschließstellung erreicht ist. Die Hauptschließstellung ist hier dargestellt, es handelt sich etwa um den unteren Totpunkt des Schließbolzens 12.1 is only indicated schematically, below it can be seen more precisely that the motor vehicle lock shown has a locking bolt 12 which is gripped by the lock latch 3 in the latching position. The locking bolt 12 is attached to a carrier 13, which will often be arranged on the body frame. The locking bolt 12 is rotatably mounted about an axis 15 arranged eccentrically to its central axis 14. It can be rotated about the axis 15 by an auxiliary motor (electric motor, which is not shown here) between a pre-closing position and the main closing position shown in FIG. 1. By turning the locking bolt 12, the body part assigned to the lock latch 3, here the tailgate, is drawn onto the body part assigned to the locking bolt 12, here the body frame, until the main closed position is reached. The main locking position is shown here, it is about the bottom dead center of the locking bolt 12.

Wesentlich ist, daß die Sperrklinke 4 durch eine aus der Drehbewegung des Schließbolzens 12 aus der Hauptschließstellung in Richtung der Vorschließstellung abgeleitete Kraftwirkung aus der Verrastung mit der Schloßfalle 3 lösbar ist bzw. gelöst wird.It is essential that the pawl 4 can be released or released from the latching action with the lock latch 3 by a force effect derived from the rotary movement of the locking bolt 12 from the main locking position in the direction of the locking position.

Weiter oben ist erläutert worden, wie man die Drehbewegung des Schließbolzens 12 durch Antrieb durch den Hilfsmotor in eine Bewegung der Sperrklinke 4 weg von der Schloßfalle 3 umsetzen kann, beispielsweise über in der Schloßmechanik 2 vorgesehene Hebel, die bei geschlossenem Kraftfahrzeugschloß mit dem Schließbolzen 12 irgendwie in Wechselwirkung treten.It has been explained above how the rotary movement of the locking bolt 12 can be converted into a movement of the pawl 4 away from the lock latch 3 by drive by the auxiliary motor, for example via levers provided in the lock mechanism 2, which somehow operate with the locking bolt 12 when the motor vehicle lock is closed interact.

Das in Fig. 1 dargestellte und insoweit erheblich bevorzugte Ausführungsbeispiel zeigt jedoch eine sehr viel einfachere Lösung, die nur eine ganz geringe Änderung des Schließbolzens 12 erfordert. Es gilt nämlich hier, daß der Schließbolzen 12 einen exzentrisch zur Achse 15 liegenden Steuerflansch 16 und die Sperrklinke 4 eine in die Bewegungsbahn des Steuerflansches 16 ragende Steuerfläche 17 aufweist und in der Hauptschließstellung der Steuerflansch 16 kurz vor oder gerade in Anlage an der Steuerfläche 17 liegt und durch die Drehung des Schließbolzens 12 aus der Hauptschließstellung in Richtung der Vorschließstellung die Sperrklinke 4 aus der Verrastung mit der Schloßfalle 3 gelöst und die Schloßfalle 3 freigegeben wird. Die in Fig. 1 gewählte Darstellung mit auseinandergezogenen Teilen des Kraftfahrzeugschlosses schafft Raum für die einfache Darstellung des Steuerflansches 16 vor der Steuerfläche 17 an der Sperrklinke 4. Man kann sich gut vorstellen, wie bei Drehung des Schließbolzens 12 aus der in Fig. 1 dargestellten Hauptschließstellung entgegen dem Uhrzeigersinn der Steuerflansch 16 schon an der Steuerfläche 17 der Sperrklinke 4 zur Anlage kommt und diese aus der Rastschulter 11 heraushebt, bevor noch eine ernsthafte Rückwärtsbewegung des Schließbolzens 12 in Richtung der Vorschließstellung erfolgt ist.However, the exemplary embodiment shown in FIG. 1 and in this respect considerably preferred shows a much simpler solution which requires only a very slight change in the locking bolt 12. It is the case here that the locking bolt 12 has a control flange 16 lying eccentrically to the axis 15 and the pawl 4 has a control surface 17 projecting into the path of movement of the control flange 16 and in the main closed position of the control flange 16 is just before or just in contact with the control surface 17 and by the rotation of the locking bolt 12 from the main closed position in the direction of the pre-closed position, the pawl 4 is released from the latching with the lock latch 3 and the lock latch 3 is released. The illustration selected in FIG. 1 with the parts of the motor vehicle lock pulled apart creates space for the simple illustration of the control flange 16 in front of the control surface 17 on the locking pawl 4. It is easy to imagine how the locking bolt 12 rotates from the main locking position shown in FIG. 1 counterclockwise the control flange 16 already comes into contact with the control surface 17 of the pawl 4 and lifts it out of the locking shoulder 11 before a serious backward movement of the locking bolt 12 in the direction of the pre-closing position has occurred.

Im in Fig. 1 dargestellten Ausführungsbeispiel ist angedeutet, daß es besonders zweckmäßig ist, daß der Steuerflansch 16 am Kopf des Schließbolzens 12 ausgebildet ist. Die Anordnung des Steuerflansches 16 am Kopf des Schließbolzens 12 entspricht einer ohnehin aus Sicherheitsgründen zweckmäßigen Gestaltung des Schließbolzens 12, so daß praktisch nur eine ganz geringfügige Änderung vorhandener Schließbolzen 12 erforderlich ist. Natürlich kann der Steuerflansch 16 auch an anderer Stelle am Schaft des Schließbolzens 12 angeordnet sein, wenn dies einbautechnisch vorzuziehen sein sollte.In the embodiment shown in Fig. 1 it is indicated that it is particularly expedient that the control flange 16 is formed on the head of the locking bolt 12 is. The arrangement of the control flange 16 on the head of the locking bolt 12 corresponds to a design of the locking bolt 12 which is expedient anyway for safety reasons, so that practically only a very slight change to the existing locking bolt 12 is required. Of course, the control flange 16 can also be arranged elsewhere on the shaft of the locking bolt 12 if this should be preferred in terms of installation technology.

Das in Fig. 2 dargestellte Ausführungsbeispiel ist im Grundsatz genau so aufgebaut wie das in Fig. 1 dargestellte Ausführungsbeispiel. Gleiche Bezugszeichen sind verwendet, so daß sich entsprechende Ausführungen erübrigen. Angedeutet ist unten auch die Vorschließstellung des Schließbolzens 12 im oberen Totpunkt mit dem oberen die obere Lage der Mittelachse 14 darstellenden "+". Die Achse 15 liegt zwischen den beiden Zeichen "+".The embodiment shown in FIG. 2 is basically constructed in exactly the same way as the embodiment shown in FIG. 1. The same reference numerals are used, so that corresponding explanations are unnecessary. Also indicated below is the pre-closing position of the locking bolt 12 at the top dead center with the top "+" representing the top position of the central axis 14. The axis 15 lies between the two characters "+".

Das in Fig. 2 dargestellte Ausführungsbeispiel unterscheidet sich jedoch von dem in Fig. 1 dargestellten Ausführungsbeispiel dadurch, daß der Steuerflansch 16 des Schließbolzens 12 nicht nur exzentrisch zur Achse 15 sondern auch noch exzentrisch zur Mittelachse 14 des Schließbolzens 12 liegt. Eine zusätzliche exzentrische Lage des Steuerflansches 16 am Schließbolzen 12 macht zwar zusätzlichen herstellungstechnischen Aufwand, kann aber unter bestimmten Einbaubedingungen eine noch bessere, eindeutigere Öffnungssteuerung der Sperrklinke 4 ergeben. Insbesondere wird dadurch erreicht, daß der Steuerflansch 16 eine seitwärts gerichtete Öffnungsbewegung für die Sperrklinke 4 schon ausführt, während der Schließbolzen 12 selbst noch vor dem unteren Totpunkt läuft.The embodiment shown in FIG. 2 differs from the embodiment shown in FIG. 1 in that the control flange 16 of the locking bolt 12 is not only eccentric to the axis 15 but also eccentric to the central axis 14 of the locking bolt 12. An additional eccentric position of the control flange 16 on the locking bolt 12 makes additional manufacturing effort, but can result in an even better, clearer opening control of the pawl 4 under certain installation conditions. In particular, it is achieved that the control flange 16 already executes a sideways opening movement for the pawl 4 while the locking bolt 12 itself is still running before bottom dead center.

Erfindungsgemäß ist durch Nutzung des Schließbolzens 12 für die vorgesehene Konstruktion eines Kraftfahrzeugschlosses eine ebenso einfache Ansteuerung der Sperrklinke zum Öffnen des Kraftfahrzeugschlosses vom Hilfsmotor ausgehend möglich wie bei den anders konzipierten Kraftfahrzeug-Türschlössern mit vom Hilfsmotor angetriebener Schloßfalle.According to the invention, by using the locking bolt 12 for the intended construction of a motor vehicle lock, it is possible to control the pawl for opening the motor vehicle lock from the auxiliary motor just as easily as with the differently designed motor vehicle door locks with a lock latch driven by the auxiliary motor.

Claims (4)

Kraftfahrzeug-Türschloß, -Haubenschloß oder -Klappenschloß mit einer aus einer Öffnungsstellung in eine Raststellung verlagerbaren Schloßfalle (3), einer die Schloßfalle (3) in der Raststellung durch Verrastung haltenden Sperrklinke (4) und einem in der Raststellung von der Schloßfalle (3) hinterfaßten Schließbolzen (12), wobei der Schließbolzen (12) an einem Träger (13) um eine exzentrisch zu seiner Mittelachse (14) angeordnete Achse (15) drehbar gelagert und durch einen Hilfsmotor um die Achse (15) zwischen einer Vorschließstellung und einer Hauptschließstellung drehbar ist, dadurch gekennzeichnet, daß durch eine aus der Drehung des Schließbolzens (12) aus der Hauptschließstellung in Richtung der Vorschließstellung abgeleitete Kraftwirkung die Sperrklinke (4) aus der Verrastung mit der Schloßfalle (3) lösbar und die Schloßfalle (3) so freigebbar ist.Motor vehicle door lock, hood lock or flap lock with a lock latch (3) which can be moved from an open position into a latching position, a pawl (4) holding the latch latch (3) in the latching position and one in the latching position of the latch latch (3) rear locking bolt (12), the locking bolt (12) being rotatably mounted on a support (13) about an axis (15) arranged eccentrically to its central axis (14) and by an auxiliary motor about the axis (15) between a pre-closing position and a main closing position is rotatable, characterized in that the pawl (4) can be released from the engagement with the lock latch (3) and the lock latch (3) can be released by a force effect derived from the rotation of the locking bolt (12) from the main closing position in the direction of the pre-closing position . Kraftfahrzeugschloß nach Anspruch 1, dadurch gekennzeichnet, daß der Schließbolzen (12) einen exzentrisch zur Achse (15) liegenden Steuerflansch (16) und die Sperrklinke (4) eine in die Bewegungsbahn des Steuerflansches (16) ragende Steuerfläche (17) aufweist und in der Hauptschließstellung der Steuerflansch (16) kurz vor oder gerade in Anlage an der Steuerfläche (17) liegt und durch die Drehung des Schließbolzens (12) aus der Hauptschließstellung in Richtung der Vorschließstellung die Sperrklinke (4) aus der Verrastung mit der Schloßfalle (3) gelöst und die Schloßfalle (3) freigegeben wird.Motor vehicle lock according to claim 1, characterized in that the locking bolt (12) has a control flange (16) lying eccentrically to the axis (15) and the pawl (4) has a control surface (17) which projects into the path of movement of the control flange (16) and in which The main closing position of the control flange (16) is just before or just in contact with the control surface (17) and by turning the locking bolt (12) from the main closing position in the direction of the pre-closing position, the pawl (4) is released from locking with the lock latch (3) and the lock latch (3) is released. Kraftfahrzeugschloß nach Anspruch 2, dadurch gekennzeichnet, daß der Steuerflansch (16) auchexzentrisch zur Mittelachse (14) des Schließbolzens (12) liegt.Motor vehicle lock according to claim 2, characterized in that the control flange (16) is also eccentric to the central axis (14) of the locking bolt (12). Kraftfahrzeugschloß nach Anspruch 2 oder 3, dadurch gekennzeichnet, daß der Steuerflansch (16) am Kopf des Schließbolzens (12) ausgebildet ist.Motor vehicle lock according to claim 2 or 3, characterized in that the control flange (16) is formed on the head of the locking bolt (12).
EP93104996A 1992-04-13 1993-03-26 Closing device for a door, a hood or hinged cover lock of a motor vehicle Expired - Lifetime EP0565929B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4212327 1992-04-13
DE4212327A DE4212327A1 (en) 1992-04-13 1992-04-13 Motor vehicle door lock

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EP0565929A1 true EP0565929A1 (en) 1993-10-20
EP0565929B1 EP0565929B1 (en) 1995-11-29

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EP (1) EP0565929B1 (en)
DE (2) DE4212327A1 (en)
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EP0851078A1 (en) * 1996-12-24 1998-07-01 Mannesmann VDO Aktiengesellschaft Locking device, particularly for a motor vehicle tailgate
DE10307207B4 (en) * 2003-02-20 2005-02-17 Adam Opel Ag Motor vehicle tailgate
CN103375067A (en) * 2012-04-17 2013-10-30 北汽福田汽车股份有限公司 Structure with back door lock catch of automobile

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EP0851078A1 (en) * 1996-12-24 1998-07-01 Mannesmann VDO Aktiengesellschaft Locking device, particularly for a motor vehicle tailgate
DE10307207B4 (en) * 2003-02-20 2005-02-17 Adam Opel Ag Motor vehicle tailgate
CN103375067A (en) * 2012-04-17 2013-10-30 北汽福田汽车股份有限公司 Structure with back door lock catch of automobile

Also Published As

Publication number Publication date
ES2080550T3 (en) 1996-02-01
EP0565929B1 (en) 1995-11-29
US5295720A (en) 1994-03-22
DE4212327A1 (en) 1993-10-14
DE59301035D1 (en) 1996-01-11

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