EP2987932A1 - Locking wedge system as vehicle flap lock - Google Patents

Locking wedge system as vehicle flap lock Download PDF

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Publication number
EP2987932A1
EP2987932A1 EP15002167.3A EP15002167A EP2987932A1 EP 2987932 A1 EP2987932 A1 EP 2987932A1 EP 15002167 A EP15002167 A EP 15002167A EP 2987932 A1 EP2987932 A1 EP 2987932A1
Authority
EP
European Patent Office
Prior art keywords
wedge
closing
wedges
breaking point
predetermined breaking
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
EP15002167.3A
Other languages
German (de)
French (fr)
Other versions
EP2987932B1 (en
Inventor
Marion Schoch
le Jean-Bernard Griffon
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.)
Audi AG
Original Assignee
Audi 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 Audi AG filed Critical Audi AG
Publication of EP2987932A1 publication Critical patent/EP2987932A1/en
Application granted granted Critical
Publication of EP2987932B1 publication Critical patent/EP2987932B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E05B77/10—Allowing opening in case of deformed bodywork, e.g. by preventing deformation of lock parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/0054—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed
    • E05B17/0062—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed with destructive disengagement
    • 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
    • E05B85/04—Strikers
    • 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
    • E05B85/22—Rectilinearly moving bolts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B63/00—Locks or fastenings with special structural characteristics
    • E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/54—Automatic securing or unlocking of bolts triggered by certain vehicle parameters, e.g. exceeding a speed threshold
    • 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

Definitions

  • the invention relates to a closing wedge system for the detachable connection of a vehicle flap, in particular a vehicle door with a structural part, in particular a side wall frame of a vehicle body according to the preamble of patent claim 1.
  • a generic closing wedge system is from the DE 10 2012 011 420 A1 known, which can be used as a lock for vehicle doors, so for example. Vehicle doors, rear and front doors, so for all to close large openings on vehicles moving parts, especially as a door lock system for a vehicle door of a vehicle.
  • This locking wedge system is achieved with two locking wedges a positive engagement both in the vehicle longitudinal direction and in the vehicle vertical direction with holding jaws of the holding jaw module. In the direction in which the locking wedges are driven in the keyways of the holding jaws, there is a high adhesion.
  • the closing wedge system between the vehicle door and the body structure is braced such that an opening to Such a crash, such as. Difficult after a frontal impact or may no longer possible. This case can also occur in a tailgate of a trunk when a person is within this trunk.
  • the object of the invention is therefore to develop a locking wedge system of the type mentioned in such a way that after an accident of the vehicle, the vehicle door can be opened.
  • the predetermined breaking point between the recorded by the striker holder portion of the closing wedge and the wedge surfaces is arranged.
  • the predetermined breaking point can be arranged directly adjacent to the closing wedge holder, whereby at the same time a shearing effect is achieved in the event of a crash.
  • the predetermined breaking point can be formed according to further education as a cross-sectional taper of the closing wedge, which preferably has a rectangular cross-section, a concave curvature or a conical shape.
  • the predetermined breaking point can also be realized by a material-side design of the closing wedge.
  • machining operations such as hardening or soft annealing can be used to adjust the ductility.
  • the region of the predetermined breaking point can be formed with a material which has a higher ductility than the harder material outside the region of the predetermined breaking point. It is thus achieved that the region representing the predetermined breaking point breaks with the higher ductility upon reaching the specific loading force acting on the closing wedge system.
  • the FIG. 1 shows one from the DE 10 2012 011 420 A1 Known closing wedge system 1, which takes over the function of a door lock for a vehicle door 11 of a vehicle body 10 and which includes a locking wedge module 2 and a holding jaw module 3.
  • the closing wedge module 2 is the lock side on the vehicle door 11 and the holding jaw module 3 on one of a side wall frame 12 of the vehicle body 10 formed door frame assembled.
  • the striker module 2 is coupled to the holding jaw module 3, so that a frictional connection between the vehicle door 11 and the side wall frame 12 of the vehicle body 10 is formed.
  • the detailed structure and the function of such a closing wedge system 1 is in the above DE 10 2012 011 420 A1 described in detail, the contents of which is fully covered by this description.
  • FIG. 2 shows the state of the locking wedge system 1, in which the locking wedge module 2 coupled to the holding jaw module 3, so the vehicle door 11 is closed.
  • the closing wedge system 1 is designed according to the invention.
  • the striker module 2 is mechanically connected to the vehicle door 11 via a coupling element 5.
  • the holding jaw module 3 is mechanically coupled to the vehicle body 10 via the side wall frame 12.
  • the closing wedge module 2 comprises a closing wedge holder 2.2 for receiving two locking wedges 2.1, which are displaceably mounted in each case in a closing wedge holder groove 2.3 and which are each wedge-shaped at the ends with wedge surfaces 2.11.
  • the two closing wedges 2.1 are extended in opposite directions from a fully inserted into the Sch thoroughlykeilhalutenuten 2.3 position in a closed position in which the closing wedges 2.1 with their end wedge surfaces 2.11 each in a matched to the contour of the wedge surfaces 2.11 keyway 3.11 of the holding jaw module 3 are pressed and thus a frictional connection between the vehicle door 11 and the side wall frame 12 is made both in the z-direction and in the x-direction.
  • the splines 3.11 are each formed in a holding jaw 3.1, which together with a base plate 3.2 form the holding jaw module 3.
  • the two closing wedges 2.1 of the closing wedge module 2 are each formed with a predetermined breaking point 2.12.
  • This predetermined breaking point is 2.12 realized as a cross-sectional taper and formed with a concave curvature.
  • This predetermined breaking point 2.12 is located in the region outside of the closing wedge holder 2.1, that is, between the region of the closing wedge holder 2.1 and the wedge surfaces 2.11. According to FIG. 2 closes this breaking point 2.12 directly to the striker 2.1.
  • this predetermined breaking point 2.12 consists in the fact that in a caused due to a frontal impact force entry in the vehicle longitudinal direction (x direction) with a force K, which exceeds the operationally occurring load forces of the locking wedge system 1, that is higher than the normal operating load forces, this predetermined breaking point 2.12 breaks, so that a keilnut wornes part 2.13 and a closing wedge holder side part 2.14 is formed, as shown in FIG. 3 is shown schematically.
  • the connection between the striker module 2 and the holding jaw module 3 is separated, so that thereby no connection of the vehicle door 11 with the side wall frame 12 of the vehicle body 10 is made.
  • the vehicle door 11 can thus be opened.
  • the predetermined breaking point 2.12 of the closing wedges 2.1 can be designed as a material weakening area variously. As already described, the Predetermined breaking point 2.12 according to FIG. 2 designed as a cross-sectional taper of the closing wedge 2.1 with a concave bead or groove or notch. Instead of a concave bead, the predetermined breaking point 2.12 can also be designed as a rectangular groove. Also, combinations of different shapes or curvatures of such beads can be formed as a predetermined breaking point 2.12. The degree of material weakening achieved by the predetermined breaking point 2.12 should be selected such that no breakage of the closing wedges 2.1 can occur in the case of mechanical loads on the closing wedge system 1 that occur during normal operation. Only when the force entry, for example due to a crash reaches a certain force threshold, should the predetermined breaking point 2.12 break.
  • the region of the predetermined breaking point 2.12 can be formed with a material which has a higher ductility than the harder material outside the region of the predetermined breaking point 2.12. This ensures that the area of the predetermined breaking point 2.12 with the higher ductility on reaching the specific, acting on the closing wedge system 1 loading force K, which are higher than the operational loads, breaks.
  • the striker module 2 is mounted on the vehicle door 11 and the holding jaw module 3 on the side wall frame 12 and the B pillar of the body 10, respectively.
  • the closing wedge system 1 can also be mounted vice versa, so that the retaining jaw module 3 is arranged on the vehicle door 11 and the closing wedge module is arranged on the side wall frame 12 or the B pillar of the vehicle body 10.

Abstract

Die Erfindung betrifft ein Schließkeilsystem (1) zur lösbaren Kopplung einer Fahrzeugklappe (11) mit einem Strukturteil (12) einer Fahrzeugkarosserie (10), umfassend ein Schließkeilmodul (2) mit zwei gegeneinander verschiebbar gelagerten Schließkeilen (2.1) mit Keilflächen (2.11) und mit einem Schließkeilhalter (2.2) zur verschiebbaren Aufnahme der Schließkeile (2.1), ein Haltebackenmodul (3) mit zwei, das Schließkeilmodul (2) zwischen sich aufnehmenden Haltebacken (3.1), wobei die Haltebacken (3.1) mit an die Kontur der Keilflächen (2.11) der Schließkeile (2.1) angepassten Keilnuten (3.11) ausgebildet sind und eine Antriebseinrichtung (4), mit welcher zur Herstellung der Kopplung der Fahrzeugklappe (11) mit dem Strukturteil (12) die Schließkeile (2.1) durch Auseinanderverlagern mit ihren Keilflächen (2.11) in die Keilnuten (3.11) gedrückt werden. Erfindungsgemäß ist vorgesehen, dass wenigstens ein Schließkeil (2.1) eine Sollbruchstelle (2.12) aufweist, mit welcher bei einer die betriebsgemäße mechanische Belastung übersteigende Belastungskraft des Schließkeils (2.1) eine Trennung des in die Keilnuten (3.11) gedrückten Schließkeils (2.1) in einen keilnutenseitigen Teil (2.13) und einen schließkeilhalterseitigen Teil (2.14) bewirkt wird.The invention relates to a locking wedge system (1) for releasably coupling a vehicle flap (11) to a structural part (12) of a vehicle body (10), comprising a striker module (2) with two locking wedges (2.1) mounted with mutually displaceable wedge surfaces (2.11) and with a closing wedge holder (2.2) for slidably receiving the closing wedges (2.1), a holding jaw module (3) with two, the locking wedge module (2) receiving holding jaws (3.1), wherein the holding jaws (3.1) with the contour of the wedge surfaces (2.11) the closing wedges (2.1) adapted to keyways (3.11) are formed and a drive device (4), with which for producing the coupling of the vehicle door (11) with the structural part (12) the closing wedges (2.1) by dislocation with their wedge surfaces (2.11) in the keyways (3.11) are pressed. According to the invention, it is provided that at least one closing wedge (2.1) has a predetermined breaking point (2.12), with which the closing wedge (2.1) pressed into the keyways (3.11) is separated into a wedge-groove side when the loading force of the closing wedge (2.1) exceeds the operating mechanical load Part (2.13) and a closing wedge holder side part (2.14) is effected.

Description

Die Erfindung betrifft ein Schließkeilsystem zur lösbaren Verbindung einer Fahrzeugklappe, insbesondere einer Fahrzeugtüre mit einem Strukturteil, insbesondere einem Seitenwandrahmen einer Fahrzeugkarosserie gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a closing wedge system for the detachable connection of a vehicle flap, in particular a vehicle door with a structural part, in particular a side wall frame of a vehicle body according to the preamble of patent claim 1.

Ein gattungsbildendes Schließkeilsystem ist aus der DE 10 2012 011 420 A1 bekannt, welches als Schloss für Fahrzeugklappen, also bspw. Fahrzeugtüren, Heck- und Frontklappen, also für alle zum Schließen von großen Öffnungen an Fahrzeugen beweglichen Teile, insbesondere als Türschlosssystem für eine Fahrzeugtüre eines Fahrzeugs eingesetzt werden kann. Bei diesem Schließkeilsystem wird mit zwei Schließkeilen ein Formschluss sowohl in Fahrzeuglängsrichtung als auch in Fahrzeughochrichtung mit Haltebacken des Haltebackenmoduls erzielt. In der Richtung, in der die Schließkeile in die Keilnuten der Haltebacken gefahren werden, besteht ein hoher Kraftschluss.A generic closing wedge system is from the DE 10 2012 011 420 A1 known, which can be used as a lock for vehicle doors, so for example. Vehicle doors, rear and front doors, so for all to close large openings on vehicles moving parts, especially as a door lock system for a vehicle door of a vehicle. In this locking wedge system is achieved with two locking wedges a positive engagement both in the vehicle longitudinal direction and in the vehicle vertical direction with holding jaws of the holding jaw module. In the direction in which the locking wedges are driven in the keyways of the holding jaws, there is a high adhesion.

Durch diese Kopplung der Fahrzeugtüre mit der Fahrzeugkarosserie besteht die Gefahr, dass bei einem Unfall des Fahrzeugs, also bspw. bei einem Crash mit einem anderen Fahrzeug durch eine Verdrehung der Fahrzeugkarosserie das Schließkeilsystem zwischen der Fahrzeugtüre und der Karosseriestruktur derart verspannt wird, dass eine Öffnung nach einem solchen Crash, wie bspw. nach einem Frontalaufprall erschwert oder unter Umständen nicht mehr möglich ist. Dieser Fall kann auch bei einer Heckklappe eines Kofferraums auftreten, wenn sich innerhalb dieses Kofferraums eine Person aufhält.By this coupling of the vehicle door with the vehicle body, there is a risk that in an accident of the vehicle, so for example. In a crash with another vehicle by a rotation of the vehicle body, the closing wedge system between the vehicle door and the body structure is braced such that an opening to Such a crash, such as. Difficult after a frontal impact or may no longer possible. This case can also occur in a tailgate of a trunk when a person is within this trunk.

Aufgabe der Erfindung ist es daher ein Schließkeilsystem der eingangs genannten Art derart weiterzubilden, dass nach einem Unfall des Fahrzeugs die Fahrzeugklappe geöffnet werden kann.The object of the invention is therefore to develop a locking wedge system of the type mentioned in such a way that after an accident of the vehicle, the vehicle door can be opened.

Diese Aufgabe wird gelöst durch ein Schließkeilsystem mit den Merkmalen des Patentanspruchs 1.This object is achieved by a locking wedge system having the features of patent claim 1.

Ein solches Schließkeilsystem zur lösbaren Verbindung einer Fahrzeugklappe mit einem Strukturteil einer Fahrzeugkarosserie, welches

  • ein Schließkeilmodul mit zwei gegeneinander verschiebbar gelagerten Schließkeilen mit Keilflächen und mit einem Schließkeilhalter zur verschiebbaren Aufnahme der Schließkeile,
  • ein Haltebackenmodul mit zwei, das Schließkeilmodul zwischen sich aufnehmenden Haltebacken, wobei die Haltebacken mit an die Kontur der Keilflächen der Schließkeile angepassten Keilnuten ausgebildet sind, und
  • eine Antriebseinrichtung mit welcher zur Herstellung der Kopplung der Fahrzeugklappe mit dem Strukturteil die Schließkeile durch Auseinanderverlagern mit ihren Keilflächen in die Keilnuten gedrückt werden,
    umfasst, zeichnet sich erfindungsgemäß dadurch aus, dass
  • wenigstens ein Schließkeil eine Sollbruchstelle aufweist, mit welcher bei einer die betriebsgemäße mechanische Belastung übersteigende Belastungskraft des Schließkeils eine Trennung des in die Keilnuten gedrückten Schließkeils in einen keilnutenseitigen Teil und einen schließkeilhalterseitigen Teil bewirkt wird.
Such a locking wedge system for releasably connecting a vehicle door with a structural part of a vehicle body, which
  • a closing wedge module with two locking wedges mounted with respect to one another and with wedge surfaces and with a closing wedge holder for displaceably receiving the closing wedges,
  • a holding jaw module with two, the locking wedge module between them receiving holding jaws, wherein the holding jaws are formed with adapted to the contour of the wedge surfaces of the locking wedges keyways, and
  • a drive device with which, in order to produce the coupling of the vehicle flap with the structural part, the closing wedges are pressed into the keyways by dislocating them with their wedge surfaces,
    includes, according to the invention is characterized in that
  • at least one locking wedge has a predetermined breaking point, with which a force of the closing wedge exceeding the operating mechanical load, a separation of the pressed into the keyways closing wedge in a keilnutenseitigen part and a closing wedge holder side part is effected.

Damit wird eine genau definierte Schwächung des Schließkeiles des Schließkeilsystems erreicht, so dass einerseits im Falle eines Unfalls, wie bspw. einem Frontalaufprall, die Fahrzeugklappe, insbesondere eine Fahrzeugtüre in der Struktur der Fahrzeugkarosserie sicher verkeilt wird, aber nach dem Crash dennoch eine Öffnung eines solchen Fahrzeugklappe sichergestellt ist und andererseits jede betriebsgemäße mechanische Belastung des Schließkeilsystems zu keinem Bruch des Schließkeiles führen kann. Die mittels einer Sollbruchstelle realisierte lokale Schwächung eines Schließkeiles bewirkt, dass beim Erreichen einer bestimmten Kraftschwelle dieser Bereich der Sollbruchstelle bricht. Dadurch wird die Verbindung zwischen dem Schließkeil und der diesen aufnehmenden Haltebacken getrennt, da der Schließkeil in einen keilnutenseitigen Teil und in einen schließkeilhaltigen Teil gebrochen wird. Damit wird auch die Verbindung der Fahrzeugklappe, insbesondere der Fahrzeugtüre mit der Struktur der Fahrzeugkarosserie getrennt.Thus, a well-defined weakening of the locking wedge of the locking wedge system is achieved, so that on the one hand in the event of an accident, such as. A frontal collision, the vehicle door, especially a vehicle door in the structure of the vehicle body is securely wedged, but after the crash still an opening of such Vehicle flap is ensured and on the other hand, any operational mechanical load of the locking wedge system can not lead to breakage of the closing wedge. The local weakening of a closing wedge realized by means of a predetermined breaking point causes that region of the predetermined breaking point to break when a certain force threshold is reached. Thereby, the connection between the locking wedge and this receiving holding jaws is separated, since the locking wedge is broken into a keilnutenseitigen part and in a closing wedge-containing part. Thus, the connection of the vehicle door, in particular the vehicle door with the structure of the vehicle body is separated.

Nach einer vorteilhaften Ausgestaltung der Erfindung ist die Sollbruchstelle zwischen dem von dem Schließkeilhalter aufgenommenen Bereich des Schließkeils und dessen Keilflächen angeordnet. Damit kann die Sollbruchstelle direkt benachbart zum Schließkeilhalter angeordnet werden, wodurch gleichzeitig eine Abscherwirkung im Crashfall erzielt wird.According to an advantageous embodiment of the invention, the predetermined breaking point between the recorded by the striker holder portion of the closing wedge and the wedge surfaces is arranged. Thus, the predetermined breaking point can be arranged directly adjacent to the closing wedge holder, whereby at the same time a shearing effect is achieved in the event of a crash.

Die Sollbruchstelle kann weiterbildungsgemäß als Querschnittsverjüngung des Schließkeiles ausgebildet werden, die vorzugsweise einen rechteckförmigen Querschnitt, eine konkave Krümmung oder eine konische Form aufweist.The predetermined breaking point can be formed according to further education as a cross-sectional taper of the closing wedge, which preferably has a rectangular cross-section, a concave curvature or a conical shape.

Alternativ zur geometrischen Gestaltung kann die Sollbruchstelle auch durch eine werkstoffseitige Gestaltung des Schließkeils realisiert sein. Für eine werkstoffseitige Gestaltung metallischer Materialien können Bearbeitungsvorgänge, wie bspw. Härten oder Weichglühen zur Einstellung der Duktilität eingesetzt werden. Vorzugsweise kann der Bereich der Sollbruchstelle mit einem Werkstoff ausgebildet werden, welcher eine höhere Duktilität aufweist als der härtere Werkstoff außerhalb des Bereichs der Sollbruchstelle. Damit wird erreicht, dass der die Sollbruchstelle darstellende Bereich mit der höhere Duktilität bei Erreichen der bestimmten, auf das Schließkeilsystem einwirkenden Belastungskraft bricht.Alternatively to the geometric design, the predetermined breaking point can also be realized by a material-side design of the closing wedge. For a material-side design of metallic materials machining operations, such as hardening or soft annealing can be used to adjust the ductility. Preferably, the region of the predetermined breaking point can be formed with a material which has a higher ductility than the harder material outside the region of the predetermined breaking point. It is thus achieved that the region representing the predetermined breaking point breaks with the higher ductility upon reaching the specific loading force acting on the closing wedge system.

Schließlich ist es nach einer weiteren Ausgestaltung der Erfindung vorgesehen, dass im gekoppelten Zustand des Schließkeilsystems bei in die Keilnuten des Haltebackenmoduls gedrückten Schließkeile senkrecht zu deren Verschieberichtung und senkrecht zum Verlauf der Keilnuten ein definierter Spalt zwischen dem Schließkeilhalter und der benachbarten Struktur des Haltebackenmoduls ausgebildet ist. Damit ist sichergestellt, dass bei Erreichen der bestimmten Belastungskraft der Schließkeilhalter sich nicht an dem Haltebackenmodul abstützen kann, ansonsten ein Bruch der Sollbruchstelle verhindert würde.Finally, it is provided according to a further embodiment of the invention that is formed in the coupled state of the locking wedge system in the keyways of the holding jaw module locking wedges perpendicular to the direction of displacement and perpendicular to the course of the keyways a defined gap between the closing wedge holder and the adjacent structure of the holding jaw module. This ensures that upon reaching the specific loading force of the striker holder can not be supported on the holding jaw module, otherwise a breakage of the predetermined breaking point would be prevented.

Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen unter Bezugnahme auf die beigefügten Figuren ausführlich beschrieben. Es zeigen:

Figur 1
eine schematische Explosionsdarstellung eines Schließkeilsystems eines Fahrzeugs gemäß der Erfindung,
Figur 2
eine schematische Schnittdarstellung des Schließkeilsystems gemäß Figur 1 mit einem Schließkeilmodul und einem Haltebackenmodul in einem die Fahrzeugtüre mit einem Seitenwandrahmen einer Fahrzeugkarosserie koppelnden Zustand, und
Figur 3
eine schematische Schnittdarstellung des Schließkeilsystems gemäß Figur 2 mit einem Schließkeilmodul mit gebrochenen Schließkeilen.
The invention will now be described in detail by means of embodiments with reference to the accompanying figures. Show it:
FIG. 1
a schematic exploded view of a locking wedge system of a vehicle according to the invention,
FIG. 2
a schematic sectional view of the locking wedge system according to FIG. 1 with a lock wedge module and a holding jaw module in a vehicle door with a side wall frame of a vehicle body coupling state, and
FIG. 3
a schematic sectional view of the locking wedge system according to FIG. 2 with a locking wedge module with broken locking wedges.

Die Figur 1 zeigt ein aus der DE 10 2012 011 420 A1 bekanntes Schließkeilsystem 1, welches die Funktion eines Türschlosses für eine Fahrzeugtüre 11 einer Fahrzeugkarosserie 10 übernimmt und welches ein Schließkeilmodul 2 sowie ein Haltebackenmodul 3 umfasst. Das Schließkeilmodul 2 wird schlossseitig an der Fahrzeugtüre 11 und das Haltebackenmodul 3 an einem von einem Seitenwandrahmen 12 der Fahrzeugkarosserie 10 gebildeten Türrahmen montiert. Beim Schließen der Fahrzeugtüre 11 wird das Schließkeilmodul 2 mit dem Haltebackenmodul 3 gekoppelt, so dass eine kraftschlüssige Verbindung zwischen der Fahrzeugtüre 11 und dem Seitenwandrahmen 12 der Fahrzeugkarosserie 10 entsteht. Der detaillierte Aufbau sowie die Funktion eines solchen Schließkeilsystems 1 ist in der oben genannten DE 10 2012 011 420 A1 ausführlich beschrieben, deren Inhalt vollumfänglich von dieser Beschreibung umfasst wird.The FIG. 1 shows one from the DE 10 2012 011 420 A1 Known closing wedge system 1, which takes over the function of a door lock for a vehicle door 11 of a vehicle body 10 and which includes a locking wedge module 2 and a holding jaw module 3. The closing wedge module 2 is the lock side on the vehicle door 11 and the holding jaw module 3 on one of a side wall frame 12 of the vehicle body 10 formed door frame assembled. When closing the vehicle door 11, the striker module 2 is coupled to the holding jaw module 3, so that a frictional connection between the vehicle door 11 and the side wall frame 12 of the vehicle body 10 is formed. The detailed structure and the function of such a closing wedge system 1 is in the above DE 10 2012 011 420 A1 described in detail, the contents of which is fully covered by this description.

Die Figur 2 zeigt den Zustand des Schließkeilsystems 1, bei welchem das Schließkeilmodul 2 mit dem Haltebackenmodul 3 gekoppelt, also die Fahrzeugtüre 11 geschlossen ist. Das Schließkeilsystem 1 ist erfindungsgemäß ausgebildet. Das Schließkeilmodul 2 wird über ein Koppelelement 5 mechanisch an die Fahrzeugtüre 11 angebunden. Das Haltebackenmodul 3 ist mechanisch über den Seitenwandrahmen 12 an die Fahrzeugkarosserie 10 gekoppelt.The FIG. 2 shows the state of the locking wedge system 1, in which the locking wedge module 2 coupled to the holding jaw module 3, so the vehicle door 11 is closed. The closing wedge system 1 is designed according to the invention. The striker module 2 is mechanically connected to the vehicle door 11 via a coupling element 5. The holding jaw module 3 is mechanically coupled to the vehicle body 10 via the side wall frame 12.

Das Schließkeilmodul 2 umfasst einen Schließkeilhalter 2.2 zur Aufnahme von zwei in jeweils einer Schließkeilhalternut 2.3 verschieblich gelagerten Schließkeilen 2.1, die jeweils endseitig mit Keilflächen 2.11 keilförmig ausgebildet sind. Mittels einer schematisch angedeuteten Antriebseinrichtung 4 werden die beiden Schließkeile 2.1 in entgegengesetzten Richtungen aus einer in den Schließkeilhalternuten 2.3 vollständig eingeschobenen Position in eine Schließposition ausgefahren, in welcher die Schließkeile 2.1 mit ihren endseitigen Keilflächen 2.11 jeweils in eine an die Kontur der Keilflächen 2.11 angepasste Keilnut 3.11 des Haltebackenmoduls 3 gedrückt werden und damit eine kraftschlüssige Verbindung zwischen der Fahrzeugtüre 11 und dem Seitenwandrahmen 12 sowohl in z-Richtung als auch in x-Richtung hergestellt wird. Die Keilnuten 3.11 sind jeweils in einer Haltebacke 3.1 ausgebildet, die zusammen mit einer Grundplatte 3.2 das Haltebackenmodul 3 bilden.The closing wedge module 2 comprises a closing wedge holder 2.2 for receiving two locking wedges 2.1, which are displaceably mounted in each case in a closing wedge holder groove 2.3 and which are each wedge-shaped at the ends with wedge surfaces 2.11. By means of a schematically indicated drive device 4, the two closing wedges 2.1 are extended in opposite directions from a fully inserted into the Schließkeilhalutenuten 2.3 position in a closed position in which the closing wedges 2.1 with their end wedge surfaces 2.11 each in a matched to the contour of the wedge surfaces 2.11 keyway 3.11 of the holding jaw module 3 are pressed and thus a frictional connection between the vehicle door 11 and the side wall frame 12 is made both in the z-direction and in the x-direction. The splines 3.11 are each formed in a holding jaw 3.1, which together with a base plate 3.2 form the holding jaw module 3.

Durch diese Kopplung der Fahrzeugtüre 11 mit der Fahrzeugkarosserie 10 besteht die Gefahr, dass bei einem Crash, bspw. einem Frontalaufprall des Fahrzeugs, das Schließkeilsystem 1 zwischen der Fahrzeugtüre 11 und der Karosseriestruktur derart verspannt wird, dass eine Öffnung nach einem solchen Crash erschwert oder unter Umständen nicht mehr möglich ist.By this coupling of the vehicle door 11 with the vehicle body 10, there is a risk that in a crash, for example. A frontal collision of the vehicle, the closing wedge system 1 between the vehicle door 11 and the body structure is braced such that an opening after such a crash difficult or under Circumstances is no longer possible.

Um dies zu verhindern, sind die beiden Schließkeile 2.1 des Schließkeilmoduls 2 jeweils mit einer Sollbruchstelle 2.12 ausgebildet. Gemäß Figur 2 ist diese Sollbruchstelle 2.12 als Querschnittverjüngung realisiert und mit einer konkaven Krümmung ausgebildet. Diese Sollbruchstelle 2.12 befindet sich in dem Bereich außerhalb des Schließkeilhalters 2.1, also zwischen dem Bereich des Schließkeilhalters 2.1 und den Keilflächen 2.11. Gemäß Figur 2 schließt sich diese Sollbruchstelle 2.12 direkt an den Schließkeilhalter 2.1 an.In order to prevent this, the two closing wedges 2.1 of the closing wedge module 2 are each formed with a predetermined breaking point 2.12. According to FIG. 2 This predetermined breaking point is 2.12 realized as a cross-sectional taper and formed with a concave curvature. This predetermined breaking point 2.12 is located in the region outside of the closing wedge holder 2.1, that is, between the region of the closing wedge holder 2.1 and the wedge surfaces 2.11. According to FIG. 2 closes this breaking point 2.12 directly to the striker 2.1.

Die Funktion dieser Sollbruchstelle 2.12 besteht nun darin, dass bei einem aufgrund eines Frontalcrashs bewirkten Krafteintrag in Fahrzeuglängsrichtung (x-Richtung) mit einer Kraft K, welche die betriebsgemäß auftretenden Belastungskräfte des Schließkeilsystems 1 übersteigt, also höher ist als die betriebsüblichen Belastungskräfte, diese Sollbruchstelle 2.12 bricht, so dass ein keilnutseitiges Teil 2.13 und ein schließkeilhalterseitiges Teil 2.14 entsteht, wie dies in Figur 3 schematisch dargestellt ist. Bei diesem Vorgang des Bruches der beiden Schließkeile 2.1 wird der Spalt S zwischen dem Schließkeilhalter 2.2 und der Grundplatte 3.2 des Haltebackenmoduls 3 mit dem Spaltmaß x überbrückt, sodass der Schließkeilhalter 2.2 an dieser Grundplatte 3.2 anliegt und mit dieser verblockt. Damit ist die Verbindung zwischen dem Schließkeilmodul 2 und dem Haltebackenmodul 3 getrennt, so dass dadurch auch keine Verbindung der Fahrzeugtüre 11 mit dem Seitenwandrahmen 12 der Fahrzeugkarosserie 10 besteht. Die Fahrzeugtüre 11 kann somit geöffnet werden.The function of this predetermined breaking point 2.12 consists in the fact that in a caused due to a frontal impact force entry in the vehicle longitudinal direction (x direction) with a force K, which exceeds the operationally occurring load forces of the locking wedge system 1, that is higher than the normal operating load forces, this predetermined breaking point 2.12 breaks, so that a keilnutseitiges part 2.13 and a closing wedge holder side part 2.14 is formed, as shown in FIG. 3 is shown schematically. In this process, the breakage of the two locking wedges 2.1 of the gap S between the striker holder 2.2 and the base plate 3.2 of the holding jaw module 3 with the gap x bridged, so that the striker holder 2.2 rests against this base plate 3.2 and blocked with this. Thus, the connection between the striker module 2 and the holding jaw module 3 is separated, so that thereby no connection of the vehicle door 11 with the side wall frame 12 of the vehicle body 10 is made. The vehicle door 11 can thus be opened.

Die Sollbruchstelle 2.12 der Schließkeile 2.1 kann als Materialschwächungsbereich verschiedenartig ausgeführt werden. Wie bereits beschrieben, ist die Sollbruchstelle 2.12 gemäß Figur 2 als Querschnittsverjüngung des Schließkeiles 2.1 mit einer konkaven Sicke bzw. Nut oder Kerbe ausgeführt. Anstelle einer konkaven Sicke kann die Sollbruchstelle 2.12 auch als rechteckförmige Nut ausgeführt werden. Auch Kombinationen unterschiedlicher Formen oder Krümmungen solcher Sicken können als Sollbruchstelle 2.12 ausgebildet werden. Das Maß der durch die Sollbruchstelle 2.12 erzielten Materialschwächung ist derart zu wählen, dass bei betriebsüblich auftretenden mechanischen Belastungen des Schließkeilsystems 1 kein Bruch der Schließkeile 2.1 auftreten kann. Erst wenn der Krafteintrag, bspw. aufgrund eines Crashs eine bestimmte Kraftschwelle erreicht, soll die Sollbruchstelle 2.12 brechen.The predetermined breaking point 2.12 of the closing wedges 2.1 can be designed as a material weakening area variously. As already described, the Predetermined breaking point 2.12 according to FIG. 2 designed as a cross-sectional taper of the closing wedge 2.1 with a concave bead or groove or notch. Instead of a concave bead, the predetermined breaking point 2.12 can also be designed as a rectangular groove. Also, combinations of different shapes or curvatures of such beads can be formed as a predetermined breaking point 2.12. The degree of material weakening achieved by the predetermined breaking point 2.12 should be selected such that no breakage of the closing wedges 2.1 can occur in the case of mechanical loads on the closing wedge system 1 that occur during normal operation. Only when the force entry, for example due to a crash reaches a certain force threshold, should the predetermined breaking point 2.12 break.

Anstelle einer geometrischen Gestaltung der Sollbruchstelle kann auch eine werkstoffseitige Gestaltung dieses Bereiches realisiert werden. So kann der Bereich der Sollbruchstelle 2.12 mit einem Werkstoff ausgebildet werden, welcher eine höhere Duktilität aufweist als der härtere Werkstoff außerhalb des Bereichs der Sollbruchstelle 2.12. Damit wird erreicht, dass der die Sollbruchstelle 2.12 darstellende Bereich mit der höheren Duktilität bei Erreichen der bestimmten, auf das Schließkeilsystem 1 einwirkenden Belastungskraft K, die höher als die betriebsgemäßen Belastungen sind, bricht.Instead of a geometric design of the predetermined breaking point, a material-side design of this area can be realized. Thus, the region of the predetermined breaking point 2.12 can be formed with a material which has a higher ductility than the harder material outside the region of the predetermined breaking point 2.12. This ensures that the area of the predetermined breaking point 2.12 with the higher ductility on reaching the specific, acting on the closing wedge system 1 loading force K, which are higher than the operational loads, breaks.

In dem oben beschriebenen Ausführungsbeispiel ist das Schließkeilmodul 2 an der Fahrzeugtür 11 und das Haltebackenmodul 3 an dem Seitenwandrahmen 12 bzw. der B-Säule der Karosserie 10 montiert.In the embodiment described above, the striker module 2 is mounted on the vehicle door 11 and the holding jaw module 3 on the side wall frame 12 and the B pillar of the body 10, respectively.

Das Schließkeilsystem 1 kann auch umgekehrt montiert werden, so dass an der Fahrzeugtüre 11 das Haltebackenmodul 3 und an dem Seitenwandrahmen 12 bzw. der B-Säule der Fahrzeugkarosserie 10 das Schließkeilmodul angeordnet ist.The closing wedge system 1 can also be mounted vice versa, so that the retaining jaw module 3 is arranged on the vehicle door 11 and the closing wedge module is arranged on the side wall frame 12 or the B pillar of the vehicle body 10.

Bezugszeichenreference numeral

11
SchließkeilsystemCotter System
22
SchließkeilmodulCotter module
2.12.1
Schließkeil des Schließkeilmoduls 2Lock wedge of the lock wedge module 2
2.112.11
Keilflächen des Schließkeilhalters 2.1Wedge surfaces of the closing wedge holder 2.1
2.122.12
Sollbruchstelle des Schließkeiles 2.2Breaking point of the closing wedge 2.2
2.132.13
keilnutseitiges Teil des Schließkeiles 2.1Keilnutseitiges part of the closing wedge 2.1
2.142.14
schließkeilhalterseitiges Teil des Schließkeiles 2.1wedge holder side part of the closing wedge 2.1
2.22.2
Schließkeilhalter des Schließkeilmoduls 2Lock wedge holder of the lock wedge module 2
2.32.3
Schließkeilhalternut des Schließkeilhalters 2.1Keeper holder of the keeper 2.1
33
HaltebackenmodulHolding back module
3.13.1
Haltebacke des Haltebackenmoduls 3Holding jaw of the holding jaw module 3
3.113.11
Keilnut der Haltebacke 3.1Keyway of holding jaw 3.1
3.23.2
Grundplatte des Haltebackenmoduls 3Base plate of the holding jaw module 3
44
Antriebseinrichtungdriving means
55
Koppelelementcoupling element
1010
Fahrzeugkarosserievehicle body
1111
Fahrzeugtüre der Fahrzeugkarosserie 10Vehicle door of the vehicle body 10
1212
Seitenwandrahmen der Fahrzeugkarosserie 10Sidewall frame of the vehicle body 10
SS
Spaltgap

Claims (10)

Schließkeilsystem (1) zur lösbaren Kopplung einer Fahrzeugklappe (11) mit einem Strukturteil (12) einer Fahrzeugkarosserie (10), umfassend - ein Schließkeilmodul (2) mit zwei gegeneinander verschiebbar gelagerten Schließkeilen (2.1) mit Keilflächen (2.11) und mit einem Schließkeilhalter (2.2) zur verschiebbaren Aufnahme der Schließkeile (2.1), - ein Haltebackenmodul (3) mit zwei, das Schließkeilmodul (2) zwischen sich aufnehmenden Haltebacken (3.1), wobei die Haltebacken (3.1) mit an die Kontur der Keilflächen (2.11) der Schließkeile (2.1) angepassten Keilnuten (3.11) ausgebildet sind, und - eine Antriebseinrichtung (4) mit welcher zur Herstellung der Kopplung der Fahrzeugklappe(11) mit dem Strukturteil (12) die Schließkeile (2.1) durch Auseinanderverlagern mit ihren Keilflächen (2.11) in die Keilnuten (3.11) gedrückt werden,
dadurch gekennzeichnet, dass - wenigstens ein Schließkeil (2.1) eine Sollbruchstelle (2.12) aufweist, mit welcher bei einer die betriebsgemäße mechanische Belastung übersteigende Belastungskraft des Schließkeils (2.1) eine Trennung des in die Keilnuten (3.11) gedrückten Schließkeils (2.1) in einen keilnutenseitigen Teil (2.13) und einen schließkeilhalterseitigen Teil (2.14) bewirkt wird. A locking wedge system (1) for detachably coupling a vehicle flap (11) to a structural part (12) of a vehicle body (10) a closing wedge module (2) with two closing wedges (2.1) mounted in a manner displaceable relative to one another with wedge surfaces (2.11) and with a closing wedge holder (2.2) for displaceably receiving the closing wedges (2.1), a retaining jaw module (3) with two locking wedges (2) between them holding jaws (3.1), the retaining jaws (3.1) being formed with keyways (3.11) adapted to the contour of the wedge surfaces (2.11) of the locking wedges (2.1), and - A drive device (4) with which for producing the coupling of the vehicle door (11) with the structural part (12) the closing wedges (2.1) by dislocation with their wedge surfaces (2.11) are pressed into the keyways (3.11),
characterized in that - At least one locking wedge (2.1) has a predetermined breaking point (2.12), with which at a proper mechanical load exceeding loading force of the closing wedge (2.1) separation of the in the keyways (3.11) depressed closing wedge (2.1) in a keilnutenseitigen part (2.13) and a closing wedge holder side part (2.14) is effected. Schließkeilsystem (1) nach Anspruch,
dadurch gekennzeichnet, dass die Sollbruchstelle (2.12) zwischen dem von dem Schließkeilhalter (2.2) aufgenommenen Bereich des Schließkeils (2.1) und dessen Keilflächen (2.11) angeordnet ist.Lock wedge system (1) according to claim,
characterized in that the predetermined breaking point (2.12) between that of the closing wedge holder (2.2) recorded area of the closing wedge (2.1) and its wedge surfaces (2.11) is arranged. Schließkeilsystem (1) nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass die Sollbruchstelle (2.12) als Querschnittsverjüngung des Schließkeiles (2.1) ausgebildet ist.Lock wedge system (1) according to claim 1 or 2,
characterized in that the predetermined breaking point (2.12) is designed as a cross-sectional taper of the closing wedge (2.1). Schließkeilsystem (1) nach Anspruch 3,
dadurch gekennzeichnet, dass die Querschnittsverjüngung einen rechteckförmigen Querschnitt aufweist.Lock wedge system (1) according to claim 3,
characterized in that the cross-sectional taper has a rectangular cross-section. Schließkeilsystem (1) nach Anspruch 3,
dadurch gekennzeichnet, dass die Querschnittsverjüngung eine konkave Krümmung aufweist.Lock wedge system (1) according to claim 3,
characterized in that the cross-sectional taper has a concave curvature. Schließkeilsystem (1) nach Anspruch 3,
dadurch gekennzeichnet, dass die Querschnittsverjüngung konisch ausgebildet ist.Lock wedge system (1) according to claim 3,
characterized in that the cross-sectional taper is conical. Schließkeilsystem (1) nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Sollbruchstelle (2.12) durch werkstoffseitige Gestaltung des Schließkeils (2.1) gebildet ist.Lock wedge system (1) according to one of the preceding claims,
characterized in that the predetermined breaking point (2.12) by material-side design of the closing wedge (2.1) is formed. Schließkeilsystem (1) nach Anspruch 7,
dadurch gekennzeichnet, dass der Bereich der Sollbruchstelle (2.12) mit einem Werkstoff ausgebildet ist, welcher eine höhere Duktilität aufweist als der Werkstoff außerhalb des Bereichs der Sollbruchstelle (2.12).Lock wedge system (1) according to claim 7,
characterized in that the region of the predetermined breaking point (2.12) is formed with a material which has a higher ductility than the material outside the region of the predetermined breaking point (2.12). Schließkeilsystem (1) nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass im gekoppelten Zustand des Schließkeilsystems (1) bei in die Keilnuten (3.11) des Haltebackenmoduls (3) gedrückten Schließkeile (2.1) senkrecht zu deren Verschieberichtung und senkrecht zum Verlauf der Keilnuten (3.11) ein definierter Spalt (S) zwischen dem Schließkeilhalter (2.2) und der benachbarten Struktur (3.1) des Haltebackenmoduls (3) ausgebildet ist.Lock wedge system (1) according to one of the preceding claims,
characterized in that in the coupled state of the closing wedge system (1) in the keyways (3.11) of the holding jaw module (3) depressed closing wedges (2.1) perpendicular to the direction of displacement and perpendicular to the course of the keyways (3.11) a defined gap (S) between the Lock wedge holder (2.2) and the adjacent structure (3.1) of the holding jaw module (3) is formed. Schließkeilsystem (1) nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass die Fahrzeugklappe als Fahrzeugtüre (11) und das Strukturteil als Seitenwandrahmen (12) der Fahrzeugkarosserie (10) ausgebildet ist.Lock wedge system (1) according to one of the preceding claims,
characterized in that the vehicle flap as a vehicle door (11) and the structural part as a side wall frame (12) of the vehicle body (10) is formed.
EP15002167.3A 2014-08-21 2015-07-23 Locking wedge system as vehicle flap lock Active EP2987932B1 (en)

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DE102012011420A1 (en) 2012-06-08 2013-12-12 Audi Ag Coupling device for releasably connecting a pivotally mounted body part, such as vehicle door, rear or front door with a vehicle structural part of a vehicle body
DE102012025336A1 (en) * 2012-12-21 2014-06-26 Audi Ag Vehicle locking device for a vehicle using a coupling device
DE202013009926U1 (en) * 2013-12-03 2014-01-20 Heinz-Werner Nowak Breaking point for door locks

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CN105464493B (en) 2019-03-29
US20160053516A1 (en) 2016-02-25
ES2627184T3 (en) 2017-07-27
CN105464493A (en) 2016-04-06
EP2987932B1 (en) 2017-04-26
DE102014012466A1 (en) 2016-02-25
DE102014012466B4 (en) 2016-03-10

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