EP4038252A1 - Ensemble d'entraînement pour serrure de véhicule automobile - Google Patents

Ensemble d'entraînement pour serrure de véhicule automobile

Info

Publication number
EP4038252A1
EP4038252A1 EP20780915.3A EP20780915A EP4038252A1 EP 4038252 A1 EP4038252 A1 EP 4038252A1 EP 20780915 A EP20780915 A EP 20780915A EP 4038252 A1 EP4038252 A1 EP 4038252A1
Authority
EP
European Patent Office
Prior art keywords
auxiliary
motor vehicle
drive
drive arrangement
lock
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
EP20780915.3A
Other languages
German (de)
English (en)
Other versions
EP4038252B1 (fr
Inventor
Christian Sturm
Ulrich Weichsel
Thorsten Bendel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kiekert AG
Original Assignee
Kiekert AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kiekert AG filed Critical Kiekert AG
Publication of EP4038252A1 publication Critical patent/EP4038252A1/fr
Application granted granted Critical
Publication of EP4038252B1 publication Critical patent/EP4038252B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/25—Actuators mounted separately from the lock and controlling the lock functions through mechanical connections
    • 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
    • E05B81/16—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action
    • 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
    • E05B2047/0013—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors more than one motor for the same function, e.g. for redundancy or increased power
    • 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

Definitions

  • the invention relates to a drive arrangement for a motor vehicle lock, in particular a motor vehicle door lock, with an actuating lever mechanism for triggering a locking mechanism, furthermore with a main drive operating on the actuating lever mechanism with an electromotive main motor and possibly a downstream main gear, for example for unlocking / opening the locking mechanism, and with a likewise acting on the actuating lever mechanism working auxiliary drive with electromotive auxiliary motor and downstream auxiliary gear, for example for emergency unlocking / emergency opening of the locking mechanism.
  • the motor vehicle lock is usually a motor vehicle door lock, that is to say a lock arranged on or in a motor vehicle door. Basically, this also includes tailgate locks, locks for front hoods, seat locks, tank flaps, loading flaps, loading space flaps, sliding doors etc.
  • the electrical actuation or unlocking / locking and also the opening of such motor vehicle locks and especially motor vehicle door locks has long been described in the literature and in the Implemented in practice. Problems can arise here in such a way that, for example, due to a low voltage, the electromotive main motor or the main drive is no longer able to unlock or open the actuating lever mechanism, for example. Similar problems can arise in the event of an accident or a crash if a connection line to the vehicle's own accumulator or a main energy source is interrupted.
  • a comparable emergency actuation device for a locking system of a movable part of a vehicle is addressed in DE 10 2017 125 719 A1 by the applicant.
  • an actuating element that can be reached outside of a vehicle is provided, with the aid of which the locking system can be switched into a so-called emergency actuation mode by a user.
  • a communication unit can be brought into signal connection with an ID transmitter or an electronic key. This allows an authentication signal to be transmitted. If the authentication is positive, an electronic unit transfers the associated motor vehicle lock from a locking position to an unlocking position and vice versa.
  • the generic prior art according to EP 2 857 616 B1 concerns a drive arrangement for a motor vehicle lock, the motor vehicle lock having a main motor for normal operation and a planetary gear connected downstream.
  • the known drive arrangement has an additional auxiliary motor for emergency operation, which is used in particular in the event of a crash.
  • the auxiliary motor is coupled to the planetary gear via a second gear element. This provides a high level of operational reliability, especially in the event of a crash.
  • reduced installation space requirements are observed and a particularly compact embodiment is implemented.
  • the state of the art has basically proven itself.
  • the integration of the auxiliary drive including auxiliary motor and downstream auxiliary gear and possibly also electronics and an auxiliary energy source requires a comprehensive adaptation of the known motor vehicle lock and an associated housing to such an embodiment.
  • the invention is based on the technical problem of further developing such a drive arrangement for a motor vehicle lock in such a way that the design and installation effort are reduced and a particularly flexible solution is made available that can also be easily adapted to existing motor vehicle locksmiths.
  • a generic drive arrangement for a motor vehicle lock is characterized in that the auxiliary drive is designed as part of an auxiliary module mechanically connected to the motor vehicle lock and functionally independent.
  • the auxiliary drive is therefore initially designed as a component of the auxiliary module.
  • the auxiliary module is designed to be functionally independent of the motor vehicle lock and is also locally separated from it.
  • the auxiliary module refers to an exchangeable complex element within an overall system, namely the motor vehicle lock.
  • the auxiliary module defines a functionally independent and closed functional unit.
  • the functionally independent design of the auxiliary module is expressed in that the auxiliary module is only mechanically connected to the motor vehicle lock or can work on the actuating lever system of the motor vehicle lock via the mechanical connection. Otherwise, the auxiliary module is predominantly designed to be self-sufficient, for example it may have its own controller and an auxiliary energy source.
  • the actuating lever system of the motor vehicle lock can now be emergency unlocked / opened in particular, independently of the main drive, in emergency mode.
  • the auxiliary module can not only have the auxiliary drive, but the auxiliary module is advantageously equipped with the auxiliary power source in addition to the auxiliary drive.
  • the auxiliary energy source can be an energy source that is independent of the accumulator in the motor vehicle or the main energy source, for example its own accumulator, capacitors, etc.
  • the auxiliary module is also advantageously equipped with the control for the auxiliary drive.
  • the auxiliary module may also have a data interface for wireless communication with an electronic key.
  • the invention ensures that only owners of the electronic key are authorized and capable of emergency unlocking or emergency opening of the locking mechanism.
  • an authentication check may initially take place between the data interface and the electronic key.
  • the auxiliary drive for emergency unlocking / emergency opening of the locking mechanism is only activated after a positive authentication check.
  • the design is usually made in such a way that the auxiliary gear connected downstream of the auxiliary motor is designed with a high gear ratio.
  • a high translation means a translation ratio of at least 1: 100 or even more.
  • auxiliary motor can be equipped with a particularly compact design and low motor torque compared to the main motor.
  • the invention recommends, for example, a worm stage and an additional evoloid stage. This will be explained in more detail with reference to the description of the figures.
  • the design is usually made so that the motor vehicle lock has a housing that accommodates the main drive, the locking mechanism and the actuating lever system, which additionally has an interface for the mechanical connection of a connecting means coupling the auxiliary module to the motor vehicle lock.
  • This interface can be a lock cylinder interface.
  • auxiliary module is connected to the lock cylinder interface of the housing of the motor vehicle lock, which is typically implemented anyway, with the aid of the mechanical connecting means.
  • the auxiliary drive or the auxiliary module containing the auxiliary drive replaces the lock cylinder, which is often used in practice and which is at least set up for the emergency unlocking of the motor vehicle lock in the event of a failure of the vehicle battery.
  • the function of the lock cylinder for emergency unlocking can now be implemented and replaced, taking into account an electromotive solution, so that the key with key bit required to operate the lock cylinder can be omitted.
  • the auxiliary module is usually equipped with a separate module housing that is independent of the housing of the motor vehicle lock.
  • the own module housing supports the functionally independent design of the auxiliary module compared to the motor vehicle lock.
  • the mechanical connecting means ensures that with the aid of the auxiliary drive as part of the auxiliary module in emergency operation and independently of the main drive, the operating lever mechanism inside the motor vehicle lock can be emergency unlocked / opened as required.
  • connecting means is designed to be rigid.
  • connecting means such as a connecting rod, an adjusting rod, a rotating rod, etc. have proven to be particularly favorable.
  • the connecting means can also be designed to be flexible.
  • the connecting means is designed as a rope, Bowden cable, etc., for example.
  • the interface on or in the housing of the motor vehicle lock can be designed as a slotted nut, for example, into which a rotating rod engages to transmit a rotary movement of the auxiliary drive of the auxiliary module.
  • a slotted nut is e.g. described in DE 10 2009 001 851 A1 by the applicant.
  • This is about an emergency locking device with recourse to a lock cylinder.
  • an emergency locking switch is implemented, which is activated with the aid of a safety lever if a central locking device fails.
  • the connecting means is designed as a cable or Bowden cable, it can be hung, for example, in a lever led to the outside of the housing of the motor vehicle door lock or connected to it.
  • a drive arrangement for a motor vehicle lock is made available which is structurally simple and flexible and works. Because by designing the auxiliary drive as part of a functionally independent auxiliary module mechanically connected to the motor vehicle, it is possible to maintain the motor vehicle lock constructively and only to equip it with the additionally provided auxiliary module.
  • a motor vehicle lock typically has a mechanical interface on or in the housing, via which the previously used lock cylinder was coupled to the actuation lever mechanism inside the motor vehicle lock or its housing.
  • the auxiliary module with the associated auxiliary drive takes over the function of the lock cylinder and for this purpose can be mechanically connected to the motor vehicle lock through the mechanical connecting means via the interface or lock cylinder interface already mentioned.
  • the auxiliary module is typically equipped with the auxiliary energy source and an additional data interface.
  • the desired emergency unlocking or emergency opening of the actuating lever system and thus the locking mechanism can still be implemented and implemented. This is where the main advantages can be seen.
  • Fig. 1 shows the drive assembly according to the invention in a schematic over view
  • FIG. 2 shows an installation situation of the drive arrangement according to FIG. 1 and
  • FIG. 3 shows the auxiliary module according to FIG. 1.
  • FIG. 1 shows an overview of a drive arrangement for a motor vehicle lock 1, which is a motor vehicle door lock 1 in the context of the illustration.
  • the motor vehicle door lock 1 is for this arranged inside a motor vehicle door shown partially open in FIG. 2, which, according to the exemplary embodiment and not by way of limitation, is a motor vehicle side door and here specifically a motor vehicle driver's door.
  • the motor vehicle door lock 1 has a total of a housing 2. Inside the housing 2 one recognizes an actuating lever mechanism 3 which, according to the exemplary embodiment, is reduced to a release lever 3, which is used to release a locking mechanism 4, 5 from the rotary latch 4 and pawl 5. In addition, one recognizes a main drive 6 working on the actuating lever mechanism 3, which is equipped with an electromotive main motor (not shown) and an optionally connected main gearbox (also not shown) and which works on the actuating lever mechanism 3 or the release lever 3. In this way, the actuating lever mechanism 3 can be acted upon to unlock / open the locking mechanism 4, 5.
  • the main drive 6 in the interior of the housing 2 of the motor vehicle door lock 1 ensures that the actuating lever mechanism 3 is moved into its “unlocked” or “locked” positions.
  • the locking mechanism 4, 5 can be opened via a mechanical handle or another electric motor drive or also the main drive 6.
  • the “locked” state of the actuating lever mechanism 3 corresponds to the fact that the locking mechanism 4, 5 maintains its closed position shown in FIG. 1 because the actuating lever mechanism 3 is mechanically interrupted.
  • auxiliary drive 7, 8, 9 which also works on the actuating lever mechanism 3, is also implemented.
  • the auxiliary drive 7, 8, 9 has its own motor which is completely independent of the main electric motor Auxiliary drive 7 and a downstream auxiliary gear 8 for
  • the auxiliary drive 7, 8, 9 is designed as a component of an auxiliary module 10 that is mechanically connected to the motor vehicle lock 1 and that is functionally independent.
  • the auxiliary module 10 has its own module housing 11, which is designed to be spatially and functionally independent of the housing 2 of the motor vehicle lock 1. While the interior of the housing 2 of the motor vehicle lock 1 is essentially the locking mechanism 4, 5, the
  • the mechanical connection between the auxiliary module 10 and the motor vehicle lock 1 is accomplished according to the exemplary embodiment via a mechanical connecting means 12, which is a connecting rod or actuating rod 12 in the context of the exemplary embodiment.
  • a mechanical connecting means 12 which is a connecting rod or actuating rod 12 in the context of the exemplary embodiment.
  • the adjusting rod 12 is connected to the pivot lever 9, which performs pivoting movements around its axis as indicated in FIG. 3, so that as a result, the adjusting rod 12 executes the adjusting movements in the direction of the double arrow, also indicated in FIG. 3 which are transferred to the operating lever system 3 for emergency unlocking / emergency opening of the locking mechanism 4, 5.
  • the gear 8 following the auxiliary motor 7 is designed with a total of three stages and in this way provides a high transmission ratio.
  • the electromotive auxiliary motor 7 can be designed to be small and compact with a low energy requirement, as has already been described in the introduction.
  • one gear stage of the Gear 8 be designed as a worm stage and another gear stage as an evoloid stage.
  • the auxiliary module 10 also has an auxiliary energy source 13, which can be an accumulator, one or more capacitors or combinations.
  • the auxiliary module 10 is also equipped with a controller 14 for the auxiliary drive 7, 8, 9 and, if necessary, a data interface. According to the exemplary embodiment, the controller 14 and the data interface are combined. With the aid of the data interface, overall wireless communication can take place with an electronic key (not shown in detail). This ensures that before the emergency unlocking or emergency opening with the aid of the auxiliary module 10, the authorization of a user is first determined and his authentication check is carried out. The auxiliary drive 7, 8, 9 is then applied to the
  • the housing 2 of the motor vehicle lock 1 can be equipped with an interface 15 as a whole.
  • This interface 15 may be a nut or the like that is mounted in or on the housing 2.
  • the adjusting rod 12 or a connecting rod 12 'to an outside door handle is inserted into the socket or interface 15 in question, in order in this way to perform the desired adjusting movements on the actuating lever mechanism 3 located inside the housing 2 for emergency unlocking or emergency opening of the locking mechanism 4 , 5 to be able to transfer.
  • FIG. 2 shows that the auxiliary module 10 is arranged on the housing 2 of the motor vehicle lock 1 and in this connection menhang uses the interface 15 already present in the housing 2 of the motor vehicle lock 1, via which a lock cylinder, which is not required in this case, is connected to the housing 2 of the motor vehicle lock 1.
  • the mechanical connection between the auxiliary module 10 and the motor vehicle lock 1 is again established via the connecting means 12 or the actuating rod 12.
  • the main drive 6 of the motor vehicle door lock 1 fails or the actuating lever system 3 cannot be used to unlock / open the locking mechanism 4, 5
  • the function of the main drive 6 according to the invention is assumed by the Auxiliary drive 7, 8, 9, which for this purpose is designed as a component of the auxiliary module 10 functionally independent of the motor vehicle lock 1, which is mechanically connected to the motor vehicle lock 1. Via this mechanical connection, the
  • Auxiliary drive 7, 8, 9 of the auxiliary module 10 work on the actuating lever system 3 of the motor vehicle door lock 1 and ensure that the actuating lever system 3 is applied to the emergency unlocking / emergency opening of the locking mechanism 4, 5.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

La présente invention concerne un ensemble d'entraînement pour une serrure de véhicule automobile (1), en particulier pour une serrure de portière de véhicule automobile (1), ladite serrure de véhicule automobile étant équipée : - d'un mécanisme de levier d'actionnement (3) destiné à libérer un mécanisme de verrouillage (4, 5) ; - d'un entraînement principal (6) qui fonctionne sur le mécanisme de levier d'actionnement (3) et présente un moteur électrique principal et éventuellement une transmission principale en aval, par exemple pour le déverrouillage/l'ouverture du mécanisme de verrouillage (4, 5) ; et - d'un entraînement auxiliaire (7, 8, 9) qui fonctionne également sur le mécanisme de levier d'actionnement (3) et présente un entraînement auxiliaire de moteur électrique (7) et une transmission auxiliaire aval (8), par exemple pour l'ouverture d'urgence/le déverrouillage d'urgence du mécanisme de verrouillage (4, 5). Selon l'invention, l'entraînement auxiliaire (7, 8, 9) fait partie d'un module auxiliaire (10) fonctionnellement indépendant qui est mécaniquement raccordé à la serrure de véhicule automobile (1).
EP20780915.3A 2019-10-02 2020-09-22 Serrure de véhicule automobile Active EP4038252B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019126570.3A DE102019126570A1 (de) 2019-10-02 2019-10-02 Antriebsanordnung für ein Kraftfahrzeugschloss
PCT/DE2020/100819 WO2021063440A1 (fr) 2019-10-02 2020-09-22 Ensemble d'entraînement pour serrure de véhicule automobile

Publications (2)

Publication Number Publication Date
EP4038252A1 true EP4038252A1 (fr) 2022-08-10
EP4038252B1 EP4038252B1 (fr) 2023-05-17

Family

ID=72659576

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20780915.3A Active EP4038252B1 (fr) 2019-10-02 2020-09-22 Serrure de véhicule automobile

Country Status (3)

Country Link
EP (1) EP4038252B1 (fr)
DE (1) DE102019126570A1 (fr)
WO (1) WO2021063440A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021111853A1 (de) 2021-05-06 2022-11-10 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss, insbesondere Elektro-Schloss
DE102021123329A1 (de) 2021-09-09 2023-03-09 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss
DE102023122047A1 (de) * 2023-08-17 2025-02-20 Cariad Se Verfahren zum Anzeigen einer reduzierten Bordnetzspannung zum elektrischen Öffnen einer Kraftfahrzeugverriegelung eines Kraftfahrzeugs mittels einer Überwachungsvorrichtung, Computerprogrammprodukt sowie Überwachungsvorrichtung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1171950A (ja) * 1997-08-29 1999-03-16 Honda Motor Co Ltd 自動車用ドアロック装置
DE10251382A1 (de) * 2002-11-01 2004-05-13 Siemens Ag Verfahren zur Betätigung einer Sperrklinke in einem Schloss mit Drehfalle für ein Kraftfahrzeug
DE102006002119A1 (de) * 2005-01-19 2006-07-20 Marquardt Gmbh Schließsystem, insbesondere für ein Kraftfahrzeug
DE102009001851B4 (de) * 2009-03-25 2023-12-07 Kiekert Aktiengesellschaft Kraftfahrzeug mit Notverriegelungseinrichtungen mit Schaltnüssen für mechanische Aussenverriegelungen
DE102013012015A1 (de) * 2013-07-19 2015-01-22 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloss
DE102013108718A1 (de) * 2013-08-12 2015-02-12 BROSE SCHLIEßSYSTEME GMBH & CO. KG Antriebsanordnung für eine Kraftfahrzeugkomponente
DE202013007862U1 (de) * 2013-09-05 2014-12-08 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloss
DE102013111039A1 (de) * 2013-10-04 2015-04-09 BROSE SCHLIEßSYSTEME GMBH & CO. KG Antriebsanordnung für ein Kraftfahrzeugschloss
DE102014016787A1 (de) * 2014-11-14 2016-05-19 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloss
DE202016100521U1 (de) * 2016-02-02 2016-02-29 BROSE SCHLIEßSYSTEME GMBH & CO. KG Schlosslogikanordnung
DE102017125719A1 (de) * 2017-11-03 2019-05-09 Kiekert Ag Notbetätigungsvorrichtung für ein bewegliches Teil eines Fahrzeugs

Also Published As

Publication number Publication date
DE102019126570A1 (de) 2021-04-08
WO2021063440A1 (fr) 2021-04-08
EP4038252B1 (fr) 2023-05-17

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