EP2291569B1 - Dispositif de verrouillage comprenant un dispositif d'encliquetage à deux cliquets - Google Patents

Dispositif de verrouillage comprenant un dispositif d'encliquetage à deux cliquets Download PDF

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Publication number
EP2291569B1
EP2291569B1 EP09761307.9A EP09761307A EP2291569B1 EP 2291569 B1 EP2291569 B1 EP 2291569B1 EP 09761307 A EP09761307 A EP 09761307A EP 2291569 B1 EP2291569 B1 EP 2291569B1
Authority
EP
European Patent Office
Prior art keywords
pawl
latching device
actuator
leg
drive wheel
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.)
Active
Application number
EP09761307.9A
Other languages
German (de)
English (en)
Other versions
EP2291569A2 (fr
Inventor
Thorsten Torkowski
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
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Application filed by Kiekert AG filed Critical Kiekert AG
Publication of EP2291569A2 publication Critical patent/EP2291569A2/fr
Application granted granted Critical
Publication of EP2291569B1 publication Critical patent/EP2291569B1/fr
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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
    • E05B81/14—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/002—Geared transmissions

Definitions

  • the present invention relates to a locking system with a, preferably electrically actuated, catch of the catch and at least two pawls, preferably for locking and unlocking seat backrests in motor vehicles, especially of folding backrests of rear seats.
  • the inventive device has at least one locking mechanism with a rotary latch, a pivotable first pawl and a second pawl, with the pivoting of the first pawl is blockable.
  • the locking device further has an actuator, the second pawl in a direction pivoted so that it releases the first pawl successively and actively pivots.
  • the actuator with an electric motor with a drive shaft and a de drive shaft cooperating drive wheel is executed, wherein the drive wheel has a slotted guide for a driver pin for direct drive of the second pawl.
  • the goal is pursued that the two pawls are each approached quietly targeted for safe lifting or lifting of the catch.
  • the locking mechanism is preferably carried out at least three parts.
  • the rotary latch is (spring-loaded) rotatable about an axis of rotation and has an opening mouth in which the rotary latch can receive a retaining bolt.
  • By pivoting the catch the position of the retaining bolt is fixed in the locking device.
  • this is motion-locked with the first pawl.
  • the first pawl is mounted around another pivot point and comes into abutment in a peripheral region of the rotary latch. Thus, this exerts a force on the catch, which prevents rotation toward the open position.
  • This contact between the first pawl and the rotary latch is preferably such that the force does not pass through the pivot point of the first pawl, but rather a moment is provided with which the rotary latch pushes the first pawl in the spring-loaded rotation in the direction of the open position ,
  • the first pawl is blocked with a second pawl.
  • This second pawl is also rotatably mounted, wherein the pivot points of the catch, first pawl and second pawl substantially form a triangle and the first pawl extends between a connecting line between the fulcrums of the catch and the second pawl and is blocked there. It comes here according to the invention, a motor-driven actuator used.
  • This motorized actuator is connected, for example, with a controller that puts an electric motor into operation as needed and thus, optionally via a transmission, the second pawl is acted upon.
  • a controller that puts an electric motor into operation as needed and thus, optionally via a transmission, the second pawl is acted upon.
  • connection of the actuator to the second pawl is now in such a way that the pawl during the opening operation of the locking device in (only) one direction is pivoted, first the contact is released towards the first pawl, so that then the first pawl, at least temporarily regardless of the movement of the second pawl is movable or is moved, and the second pawl in a continuation of the pivoting movement in the same direction in time subsequently interacts again with the first pawl, so that the second pawl further actively pivots the first pawl in the opening direction.
  • “Active” is intended to express here that the first pawl is preferably pivoted in this subsequent period alone of the second pawl, wherein it is particularly preferred that the second pawl on the first pawl runs in a controlled manner and thus the Verschwenkwege during contact of the two pawls are determined together and can be specified. In addition, it is considered advantageous that the second pawl securely fixes the first pawl in the open position.
  • the catch and the first pawl are quietly separated from each other and also a defined position of the first pawl is taken during the opening process.
  • a safe operation of the locking device is achieved as well as a simple and compact design.
  • high closing forces can be absorbed, for example, in the event that due to a sudden deceleration of the motor vehicle particularly high loads on the back of a seat, which is designed with such a closing device act.
  • the actuator with an electric motor with an output shaft and a cooperating with the output shaft drive wheel is executed.
  • the electric motor is contacted with a suitable control and power supply, so that it can be set in motion as needed.
  • the torque generated in the electric motor is transmitted via an output shaft, for example in the manner of a worm wheel, to a driven wheel, for example with an external toothing.
  • the output gear which is rotatably mounted, now has means that interact with the second pawl and put them in the desired movement.
  • the output shaft and the drive wheel are made of plastic and / or noise insulating materials.
  • the drive wheel is arranged in an advantageous manner in the closing device that this at least partially covers the position of the second pawl. On the second pawl side facing the link guide is now formed.
  • the slotted guide is designed in particular as a recess in the drive wheel and designed so that a driving pin of the second pawl in protrudes this recess and abuts laterally on the slotted guide.
  • the slotted guide has a closed, but deviating from a circular course, so that in particular varies the distance of the slotted guide from the axis of rotation of the drive wheel in the course of one revolution of the drive wheel.
  • As a result of the rotation of the drive wheel of the driver pin runs frictionally on the slotted guide, so that a stroke is generated selectively from the periphery of the drive wheel to the axis of rotation.
  • the pivoting speed and / or the Verschwenkweg the second pawl can be directly influenced.
  • the actuator is designed to be unidirectional. In other words, this means in particular that the actuator is always moved only in one direction of travel, that is dispensed with an opposite return movement.
  • an electric motor used for the actuator, that means in particular that this electric motor is always driven or moved with only one direction of rotation. The electric motor is activated during the opening process and stopped after the end of the opening process. Exactly this starting position can now be used for the next opening process. This has the particular advantage that noise during the return of the actuator is avoided.
  • the second pawl has a blocking leg for the first pawl, a stop leg for a Verschwenkungsbegrenzer and a Mitauerschenkel for the second pawl. It is preferred that the second pawl has a metallic base body and at least the blocking leg in the contact area towards the first pawl also has a metallic surface. On the other hand, it is preferred to provide damping material in the stop leg, so that the lowest possible possible contact of this leg is realized with the Verschwenkungsbegrenzer. It is also preferable that the abutment leg and the dog leg are substantially opposite to the fulcrum of the second detent pawl, while the blockage leg is disposed therebetween on the side toward the first detent pawl.
  • the Verschwenkungsbeskysbeskysbeskyr may for example be fixedly connected to the housing of such a closing device and optionally also for supporting a return spring, for example, for the second pawl serve.
  • the Mitauerschenkel is executed with a damping material.
  • the first pawl in the section in which it interacts during the active opening process, is designed with a damping material.
  • plastic encapsulations, elastic materials and coatings and the like come into consideration as damping material. Due to the frictional contact, it is equally important to ensure that the damping material is resistant to abrasion.
  • the two pawls are usually made of a metallic base body, for example a stamped component. In order to minimize the noise here, this contact of the two pawls (but not for the blocking contact) is performed with the damping materials.
  • the locking mechanism may be arranged in a first plane and the positioning drive to be arranged in a second plane, wherein the components of adjacent planes interact by means of at least one driving pin.
  • a compact embodiment of the locking device allows, for example, the integration of the locking device in a single housing or in a common housing cover.
  • the locking mechanism is arranged in the first plane.
  • the locking mechanism comprises the catch and the two pawls.
  • One level above, in the second level the actuator is provided.
  • the actuator covers at least partially the locking mechanism in the first plane.
  • the actuator has one or more driving pins, which extends down into the first plane and in particular so contacted the second pawl or vice versa.
  • the second pawl also have a plurality of driving pins.
  • the drive wheel of the actuator has a driving pin, which interacts with a peripheral edge of the second pawl.
  • the second pawl is designed with a return spring.
  • the return spring for example, a secure frictional connection can be achieved towards the sliding guide of the drive wheel.
  • the second pawl which is guided during the opening process on the slotted guide, due to the spring bias at the end of the opening process springs back into a desired starting position while equally (at a different location) of the slotted guide rests again.
  • the catch has a projection and the first pawl has a recess suitable for receiving the projection.
  • the rotary latch is formed with a catch which (on one side) serves to bear the first pawl.
  • the pawl is designed with a relatively large indentation, wherein the indentation is formed in particular with a U-shaped portion of the first pawl. In this case, a particularly secure recording of the catch in the first pawl is realized, so that in particular the movement of the rotary latch in both directions of rotation is blocked by the first pawl.
  • the invention finds particular use in a motor vehicle having a seat with a folding backrest, wherein the backrest can be locked in a position with a locking device according to one of the embodiments presented here.
  • the seat is in particular a rear seat, the backrest of which is foldable, so that access to the trunk or the rear area is made possible.
  • the locking device may be mounted on the backrest itself, the seat or a fastening component of the body and interact with a retaining bolt which is attached to another of the aforementioned components.
  • FIG. 1 shows a locking device 1, wherein a locking mechanism 2 consisting of a rotary latch 3 and two pivotable pawls, namely the first pawl 4 and the second pawl 5.
  • a locking mechanism 2 consisting of a rotary latch 3 and two pivotable pawls, namely the first pawl 4 and the second pawl 5.
  • these three locking components on a base plate of the housing 27 in a common , First level 36 rotatably mounted.
  • Shown here is a plan view of such a closure device 1, wherein the housing cover has been omitted.
  • an inlet 25 can be seen on the left, in which a retaining bolt 26 can run.
  • the retaining bolt 26 In the locked position, the retaining bolt 26 is enclosed by the rotatably mounted rotary latch 3, so that it can no longer leave the inlet 25.
  • the rotary latch 3 is biased by the spring element and therefore endeavors to pivot again (here in a clockwise direction) into the open position. It should also be noted that most seat cushions, seals and the like exist between the locking device and the component to be locked, so that the retaining pin 26 exerts a restoring force on the rotary latch 3.
  • the actuator 6 includes an electric motor 8, which is preferably operated unidirectionally only with one direction of rotation 18.
  • the electric motor 8 is designed with an output shaft 9, for example, in the manner of a worm wheel. This output shaft 9 now acts on a drive wheel 10, which optionally has an external toothing.
  • the second pawl 5 which is here partially covered by the drive wheel 10, driven or moved.
  • a driving pin 20 between the drive wheel 10 and the second pawl 5 is formed.
  • the movement of the second pawl 5 is selectively carried out, as will be explained in detail with reference to the following figures.
  • FIG. 2 shows a possible embodiment of a drive wheel 10 which cooperates with the driving pin 20 of the second pawl, not shown here.
  • the illustrated drive wheel 10 has outside on the circumference of a sprocket 33, via which the motor torque is transmitted to the drive wheel 10, so that the drive wheel 10 about an axis of rotation 34, for example in the direction indicated 18, is rotated.
  • a gap or groove-like recess 35 is formed - wherein the width of the recess 35 is preferably significantly larger than the diameter of the driving pin 20.
  • the inner and / or the outer border serve as a slide guide 7 for the driving pin 20.
  • the outer slotted guide 7 runs under the driving pin 20, wherein due to the course of the outer slotted guide 7, the driving pin 20 is moved further towards the axis of rotation 34.
  • the outer slide guide 7 approaches in the course against the direction of rotation 18 of the axis of rotation 34.
  • a targeted stroke 32 for the driving pin 20 in the direction of rotation 18 of the drive wheel 10 can be realized.
  • the course may in particular be designed so that the driving pin 20 at the end of the opening process or at the beginning of the opening process is repositioned in the desired starting position, without any return movements are required.
  • FIG. 3 again essentially shows the locking device according to FIG. 1 , wherein the representation of the actuator 6 has been omitted here.
  • the rotary latch 3 is designed with a projection 21 which engages in a U-shaped indentation 22 of the first pawl 4.
  • the second pawl 5 rests with a blocking leg 13 on the first pawl 4 opposite to the rotary latch 3.
  • the position of the rotary latch 3 and the first pawl 4 is secured.
  • the second pawl 5 now has two more legs.
  • the stop leg 14 a damping material 19 on the outside to realize a low-noise stop on the Verschwenkungsbegrenzer 15.
  • a driver leg 16 is formed, which is also partially encased by a damping material. This driver leg 16 interacts - as will be explained later - with the second pawl 4.
  • a driver pin 20 is formed on the Mitauerschenkel 16 for the overlying drive wheel.
  • FIG. 4 now illustrates the situation in which the catch 3 is released.
  • the second pawl 5 is moved by the actuator with the indicated direction of rotation (white arrow), wherein the blocking leg 13 of the second pawl 5 is removed from the first pawl 4.
  • the restoring torque of the rotary latch 3 can now act and thus trigger the opening movement of the first pawl 4.
  • the locking device is preferably used as a locking system for locking and unlocking seat backrests in motor vehicles, especially of folding backrests in rear seats.
  • FIG. 7 Shown is schematically a motor vehicle 23 with a seat 29.
  • the backrest 24 of the seat 29 is pivotable or foldable (dashed position), so that, for example, access to a storage space 31 is made possible. So that this takes place only at desired times, the backrest 24 is fixed by means of the closing device 1 according to the invention described here to one (or more) fastening component (s) 30, for example a component of the body of the vehicle 23.
  • the retaining bolt can be arranged as well as the locking device either on the backrest 24 or on the fastening member 30. It is also possible to provide a plurality of such closing devices 1 with respect to such a seat 29.

Landscapes

  • Lock And Its Accessories (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Seats For Vehicles (AREA)

Claims (8)

  1. Dispositif de verrouillage (1) comprenant au moins un dispositif d'encliquetage (2) pourvu d'un pêne rotatif (3), d'un premier cliquet pivotant (4) et d'un second cliquet (5) au moyen duquel le pivotement du premier cliquet (4) peut être bloqué et le dispositif de verrouillage (1) comprend également un mécanisme de commande (6), qui fait pivoter le second cliquet (5) dans une direction, de sorte que ce dernier libère le premier cliquet (4) et le fait pivoter activement de manière successive caractérisé en ce que le mécanisme de commande (6) est exécuté avec un moteur électrique (8) avec un arbre d'entraînement (9) et une roue d'entraînement (10) co-agissant avec l'arbre d'entraînement (9), la roue d'entraînement (10) présentant un guidage de coulisse (7) pour un tenon d'entraînement (20) pour entraînement direct du second cliquet (5).
  2. Dispositif de verrouillage (1) selon l'une des revendications précédentes caractérisé en ce que le mécanisme de commande (6) est exécuté de façon unidirectionnelle.
  3. Dispositif de verrouillage (1) selon l'une des revendications précédentes caractérisé en ce que le second cliquet (5) présente une branche de blocage (13) pour le premier cliquet (4), une branche de butée (14) pour un limiteur de pivotement (15) et une branche d'entraînement (16) pour le second cliquet (5).
  4. Dispositif de verrouillage (1) selon l'une des revendications précédentes caractérisé en ce que le second cliquet (5) présente une branche d'entraînement (16) pour le second cliquet (5) et la branche d'entraînement (16) est exécutée avec un matériau amortissant (19).
  5. Dispositif de verrouillage (1) selon l'une des revendications précédentes caractérisé en ce que le dispositif d'encliquetage (2) est placé à un premier niveau (36) et le mécanisme de commande (6) à un deuxième niveau (37), les composants de niveaux voisins interagissant à l'aide au moins d'un tenon d'entraînement (20).
  6. Dispositif de verrouillage (1) selon l'une des revendications précédentes caractérisé en ce que le mécanisme de commande (5) est exécuté avec un ressort de rappel (12).
  7. Dispositif de verrouillage (1) selon l'une des revendications précédentes caractérisé en ce que le pêne rotatif (3) a une avancée (21) et le premier cliquet (4) une encoche (22) appropriée au logement de l'avancée (22).
  8. Véhicule à moteur (23) présentant un siège avec un accoudoir rabattable (24) caractérisé en ce que l'accoudoir (24) est verrouillable à une position avec un dispositif de verrouillage (1) conformément à l'une des revendications précédentes.
EP09761307.9A 2008-06-13 2009-05-28 Dispositif de verrouillage comprenant un dispositif d'encliquetage à deux cliquets Active EP2291569B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008028255.3A DE102008028255B4 (de) 2008-06-13 2008-06-13 Schließvorrichtung
PCT/DE2009/000739 WO2009149685A2 (fr) 2008-06-13 2009-05-28 Dispositif de verrouillage comprenant un dispositif d'encliquetage à deux cliquets

Publications (2)

Publication Number Publication Date
EP2291569A2 EP2291569A2 (fr) 2011-03-09
EP2291569B1 true EP2291569B1 (fr) 2017-07-12

Family

ID=41317794

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09761307.9A Active EP2291569B1 (fr) 2008-06-13 2009-05-28 Dispositif de verrouillage comprenant un dispositif d'encliquetage à deux cliquets

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Country Link
EP (1) EP2291569B1 (fr)
DE (1) DE102008028255B4 (fr)
WO (1) WO2009149685A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8764075B2 (en) 2008-05-26 2014-07-01 Magna Closures, S.P.A. Double pawl vehicle latch
GB2480860B (en) 2010-06-04 2014-05-21 Body Systems Usa Llc Latch assembly
DE202010014396U1 (de) * 2010-10-16 2012-01-17 Kiekert Ag Antriebseinheit für eine Kraftfahrzeugtür-Schließeinrichtung
WO2017029543A1 (fr) 2015-08-18 2017-02-23 Kiekert Ag Dispositif de fermeture pour applications automobiles
US11135948B2 (en) 2016-05-13 2021-10-05 Kiekert Ag Latching device for automotive applications
WO2017195023A1 (fr) 2016-05-13 2017-11-16 Kiekert Aktiengesellschaft Dispositif de verrouillage
CN107587793A (zh) * 2017-10-12 2018-01-16 乐清乐驰弘盛锁业科技有限公司 一种遥控步进电机驱动坐垫锁
DE102019103347A1 (de) * 2019-02-11 2020-08-13 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Coburg Verriegelungseinrichtung mit einem ein Spielausgleichselement vorspannenden Federelement

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FR2431589A1 (fr) * 1978-07-18 1980-02-15 Mecanismes Comp Ind De Serrure perfectionnee, notamment pour portiere d'automobile
FR2607546B1 (fr) 1986-12-02 1989-03-10 Rockwell Cim Serrure, notamment pour porte de vehicule automobile
DE19736445B4 (de) * 1996-08-22 2006-06-08 Asmo Co., Ltd., Kosai-shi Türgliedverriegelungs-/entriegelungsvorrichtung
DE19700887B4 (de) 1997-01-14 2006-07-06 Ewald Witte Gmbh & Co Kg Verschluß für eine Heckklappe oder eine Tür an einem Kraftfahrzeug
EP1317596B1 (fr) 2000-09-07 2006-11-22 Brose Schliesssysteme GmbH & Co. KG Serrure de porte d'automobile a mode combine de condamnation et d'ouverture centralisees
FR2828517B1 (fr) 2001-08-13 2003-10-03 Valeo Securite Habitacle Serrure de vehicule automobile a deux cliquets
DE102007045228A1 (de) 2007-09-21 2008-02-28 Daimler Ag Fahrzeugtürschloss

Non-Patent Citations (1)

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Title
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Also Published As

Publication number Publication date
WO2009149685A3 (fr) 2010-02-18
WO2009149685A2 (fr) 2009-12-17
EP2291569A2 (fr) 2011-03-09
DE102008028255A1 (de) 2009-12-17
DE102008028255B4 (de) 2024-01-25

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