EP3800310B1 - Serrure du véhicule automobile - Google Patents

Serrure du véhicule automobile Download PDF

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Publication number
EP3800310B1
EP3800310B1 EP20197436.7A EP20197436A EP3800310B1 EP 3800310 B1 EP3800310 B1 EP 3800310B1 EP 20197436 A EP20197436 A EP 20197436A EP 3800310 B1 EP3800310 B1 EP 3800310B1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
lever
stop
locking mechanism
opening
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
EP20197436.7A
Other languages
German (de)
English (en)
Other versions
EP3800310A1 (fr
Inventor
Michael Scholz
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
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Filing date
Publication date
Application filed by Kiekert AG filed Critical Kiekert AG
Publication of EP3800310A1 publication Critical patent/EP3800310A1/fr
Application granted granted Critical
Publication of EP3800310B1 publication Critical patent/EP3800310B1/fr
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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
    • 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
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/90—Manual override in case of power failure
    • 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

Definitions

  • the invention relates to a motor vehicle lock, in particular a motor vehicle door lock, with a locking mechanism consisting essentially of a rotary latch and a pawl, and with an electric motor drive for the locking mechanism and a safety lever, the electric motor drive working on the locking mechanism to open it in an opening direction and in an unlocking direction that deviates from this, the locking lever is acted upon to assume an unlocked position, and a stop is provided for the electric motor drive, which limits the movement of the drive at least when it is acted upon in the opening direction to cancel the unlocked position and thereby prevents the locking mechanism from opening.
  • Motor vehicle locks are used in a variety of forms on and in motor vehicles, for example as motor vehicle door locks in or on a motor vehicle door, tailgate locks, bonnet locks, tank flap locks, but also as locks for a seat lock, a glove compartment, etc.
  • motor vehicle locks are often used for reasons of convenience with an electric opening drive, which cause a motorized opening of the locking mechanism, essentially consisting of a rotary latch and a pawl.
  • the electric motor drive for the locking mechanism and for opening the locking mechanism is in the prior art according to DE 10 2012 003 743 A1 additionally used for other functions.
  • the electric motor drive in the above teaching also ensures that mechanical opening of the locking mechanism is guaranteed in emergency operation.
  • a locking lever retains its "locked” position throughout normal operation.
  • the well-known electrical or electromotive drive equipped with an unlocking lock In this way, the functional reliability should be increased.
  • an additional temporary stop for the drive is provided in this context.
  • the stop ensures that the movement of the electric motor drive is limited in the opening direction to cancel the unlocked position.
  • the temporary stop ensures that the locking mechanism cannot be opened electrically.
  • the stop that acts temporarily is, for example, a pin with a drive, with the aid of which a temporary blockage of a driven element is implemented as part of the electric motor drive. For this purpose, said pin interacts with an outer circumference of the driven element.
  • the well-known motor vehicle door lock has basically proven itself, but still offers room for further improvements. Because the pin for temporarily blocking the output element of the electric motor drive not only has an associated actuator. Instead, the pin is also moved in accordance with signals transmitted to a control unit by at least one sensor. As a result of this, the design effort is relatively high. This is where the invention aims to remedy the situation overall.
  • the stop is arranged on the electric motor drive and interacts with a blocking element to limit the movement of the electric motor drive.
  • the invention is based on the technical problem of further developing such a motor vehicle lock and in particular a motor vehicle door lock in such a way that a structurally simple solution is made available.
  • a generic motor vehicle lock and in particular a motor vehicle door lock is characterized within the scope of the invention in that the blocking element is arranged on the safety lever.
  • the procedure is usually such that the blocking element is mounted coaxially with the safety lever.
  • the blocking element is mounted coaxially with the safety lever.
  • the design is usually such that the safety lever is usually designed as a locking lever.
  • the safety lever or locking lever is in its “secured” or “locked” position during normal operation.
  • An additional operating lever system provided in this connection is consequently empty or is blocked, so that the locking mechanism cannot be opened.
  • mechanical loading of the actuating lever mechanism regularly means that the locking mechanism can be opened mechanically and manually. In this way, the actuating lever system can be used redundantly, so to speak, for opening the locking mechanism.
  • An emergency opening or an emergency opening may correspond to this.
  • the invention ensures that the motor vehicle lock is still in the initial state and that this initial state has been restored. This is because the stop on the drive, in interaction with the blocking element, prevents the movement of the drive from being limited by the stop in order to cancel the unlocked position. At the same time, this procedure prevents the locking mechanism from opening. Only when the electric motor drive is acted upon again a second time after the initial state has been restored should the usual electrical opening then occur, which is caused by the interaction between the stop and the blocking element is guaranteed according to the invention. All of this is achieved using a structurally particularly simple design, because the stop is arranged on the drive and is moved with it.
  • the stop is arranged on a driven pulley of the drive.
  • the drive has an electric motor with an output worm on its output shaft.
  • the driven worm engages in a toothing of the driven pulley on the outside and ensures that this - and thus the electric motor drive as a whole - can be acted upon both in the opening direction and in the unlocking direction.
  • the opening direction corresponds, for example, to a clockwise rotation of the driven pulley, whereas the unlocking direction is accompanied by a counterclockwise movement of the driven pulley.
  • the reverse procedure can also be used.
  • the stop generally has a U-shaped receptacle for the blocking element.
  • the invention is based on the finding that the blocking element, which is typically designed as a blocking lever acted upon by the spring, can interact particularly advantageously with such a U-shaped receptacle.
  • the end of the blocking lever that is remote from the axis engages in the socket in question to block the drive.
  • the blocking lever can be returned to the starting position by its spring-loaded design. In this starting position and to Restoring the initial state takes the safety lever or locking lever back into its "secured” or "locked” position.
  • the safety lever In order to move the safety lever from its “secured” position to the “unlocked” position, the safety lever generally has an adjusting contour that interacts with a pin on the drive.
  • the adjusting contour is usually a U-shaped recess into which the pin in question can move in and out to act on the safety lever.
  • the design is also such that, in addition to the pin and the stop, the drive also has an actuating cam for electrically opening the locking mechanism.
  • the stop, the pin and also the actuating cam are generally found on a matching side of the driven pulley as part of the electric motor drive.
  • a motor vehicle lock and in particular a motor vehicle door lock that is structurally astonishingly simple is made available, which is particularly suitable and set up for implementing the temporary crash redundancy already described in the introduction.
  • an emergency opening can nevertheless be effected.
  • the safety lever is acted upon with the aid of the electromotive drive and in the opposite direction to the opening direction, namely in the unlocking direction.
  • the safety lever assumes its unlocked position, in which an additional, for example, provided actuating lever system can be manually and mechanically acted upon for emergency opening.
  • the drive ensures that the locking mechanism is prevented from opening when the safety lever is returned to its "secured” position and in the opening direction then completed. This ensures the interaction between the stop on the drive and the blocking element.
  • a motor vehicle lock is shown, which is a motor vehicle door lock.
  • the motor vehicle door lock has only one in the Figure 1C indicated locking mechanism 1, 2 from rotary latch 1 and pawl 2.
  • an indicated release lever 3 is pivoted about its axis counterclockwise and in this case the pawl 2 in engagement with the rotary latch 1 in the Figure 1C pivoted indicated clockwise.
  • the pivoting of the pawl 2 ensures that the rotary latch 1 pivots clockwise about its axis and releases a previously caught and not shown locking bolt.
  • An electric motor drive 4, 5, 6, 7 provides for the movement of the release lever 3 in the counterclockwise direction during the described "electrical opening" of the motor vehicle lock and in particular the motor vehicle door lock electric motor shown, which acts on a driven pulley 4 shown via a worm on its output shaft.
  • the driven pulley 4 can rotate about its axis both in, for example, in the Figure 1B and 1C and 3A and 3B indicated counterclockwise (opening direction ⁇ ) as well as clockwise movements perform, as in the Figure 2A and 2 B and 4 are shown (arming direction E).
  • the electric motor drive 4, 5, 6, 7 also ensures that an additionally provided safety lever 8 is acted upon in the unlocking direction E, which deviates from the opening direction ⁇ .
  • this unlocking direction E corresponds to the already mentioned movement of the driven pulley 4 in the clockwise direction.
  • the safety lever 8 is now acted upon with the help of the electric motor drive 4, 5, 6, 7 to take an unlocked position, as in the end in the functional sequence in the Figure 2A and 2 B is shown.
  • the safety lever 8 is a locking lever 8. Taking up the unlocked position as shown in FIG Figure 2B now corresponds to the fact that the safety lever or locking lever 8 the position "unlocked” or “unlocked” according to the functional position after Figure 2B takes.
  • Such an emergency operation or the emergency opening described can take place, among other things, following a crash or a voltage drop or even the complete failure of a motor vehicle battery, at least when the locking mechanism 1, 2 cannot (any longer) be opened electrically, as is shown in the Figures 1A to 1C is shown.
  • the motor vehicle door lock can now "unlocked” starting from the position of the locking lever 8 in the position after Figure 2B be returned to its starting position.
  • the electromotive drive 4, 5, 6, 7 is acted upon in the opening direction ⁇ in order to transfer the locking lever 8 back into the "locked” position, as it is in the normal state and also for electrical opening in the Figures 1A to 1C takes.
  • a stop 7 is provided on the electric motor drive 4, 5, 6, 7, which interacts with a blocking element 9.
  • the stop 7 is arranged on the driven pulley 4 of the electric motor drive 4, 5, 6, 7.
  • the driven pulley 4 also has a pin 6 .
  • the pin 6, the previously mentioned actuating cam 5 and the stop 7 are all and together on a matching surface, according to the embodiment of the top, of the driven pulley 4 arranged and connected to the driven pulley 4 so that they follow the rotary movements of the driven pulley 4.
  • the safety lever or locking lever 8 is “locked” starting from the position according to the Figure 2A to the "unlocked” position after the Figure 2B transferred.
  • the safety lever or locking lever 8 has an interacting with the pin 6 adjusting contour 10.
  • the adjusting contour 10 in turn has a U-shaped recess, in which the pin 6 at the transition from the Figure 2A to the Figure 2B immerses and in doing so moves to the rear edge of the U-shaped recess in the actuation direction or unlocking direction E.
  • the locking lever 8 is “locked” starting from its position in the Figure 2A to the "unlocked” position after the Figure 2B transferred.
  • the locking lever 8 performs a counterclockwise rotation about its axis, as indicated by an arrow in FIG Figure 2A is indicated.
  • the blocking element or the blocking lever 9 is mounted coaxially with the safety lever or locking lever 8 .
  • the stop 7 has a U-shaped receptacle 7 'for the blocking element or the blocking lever 9.
  • the loading of the electric motor drive 4, 5, 6, 7 in the opening direction ⁇ now means that an end of the blocking lever 9 remote from the axis and the stop 7 or its U-shaped recess 7' come closer together. This can be seen in the functional sequence according to the Figure 3A and 3B . This then leads to the blocking lever 9 being pushed into the U-shaped recess 7' in the functional position after the Figure 3B moves, so that the electric motor drive 4, 5, 6, 7 is stopped as a result. The movement of the electric motor drive 4, 5, 6, 7 in said opening direction ⁇ when canceling the unlocked position or the "unlocked" position is thus limited.
  • the blockage of the electric motor drive 4, 5, 6, 7 is in accordance with the functional position in the Figure 3B dimensioned in such a way that the locking mechanism 1, 2 is prevented from opening, because the actuating cam 5 drives almost against the release lever 3, but does not act upon it in a lifting sense in the pawl 2 of the rotary latch 1.
  • the transition of the locking lever 8 from the "locked” position in the Figure 3A to the "unlocked” position according to the position in the Figure 3B is accomplished in that the movement of the electric motor drive 4, 5, 6, 7 in the opening direction ⁇ causes the pin 6 previously inserted into the U-shaped recess of the setting contour 10 to move counterclockwise during the movement associated with the opening direction ⁇ the right edge of the U-shaped recess travels, thereby causing the locking lever 8 to its axis clockwise when passing from the Figure 3A to the Figure 3B is pivoted. This corresponds to taking the position "locked” according to the Figure 3B .

Claims (9)

  1. Serrure de véhicule automobile, en particulier serrure de portière de véhicule automobile, comportant un mécanisme de verrouillage (1, 2) composé sensiblement d'un loquet rotatif (1) et d'un cliquet de verrouillage (2), et comportant un entraînement électromoteur (4, 5, 6, 7) pour le mécanisme de verrouillage (1, 2) ainsi qu'un levier de sécurité (8), l'entraînement électromoteur (4, 5, 6, 7) travaillant sur le mécanisme de verrouillage (1, 2) pour l'ouvrir dans un sens d'ouverture (Ö) et sollicitant le levier de sécurité (8) dans un sens d'ouverture de sécurité (E) différent dudit sens d'ouverture pour prendre une position d'ouverture de sécurité, un système de levier d'actionnement pouvant assurer une ouverture redondante mécanique et manuelle du mécanisme de verrouillage (1, 2) dans la position d'ouverture de sécurité, et une butée (7) étant prévue pour l'entraînement électromoteur (4, 5, 6, 7), laquelle limite le mouvement de l'entraînement électromoteur (4, 5, 6, 7), au moins lorsqu'il est sollicité dans le sens d'ouverture (Ö), pour annuler la position d'ouverture de sécurité, et empêche ainsi une ouverture du mécanisme de verrouillage (1, 2), la butée (7) étant disposée sur l'entraînement électromoteur (4, 5, 6, 7) et coopérant avec un élément de blocage (9) pour limiter le mouvement de l'entraînement électromoteur lorsque la position d'ouverture de sécurité est annulée, caractérisée en ce que l'élément de blocage (9) est disposé sur le levier de sécurité (8).
  2. Serrure de véhicule automobile selon la revendication 1, caractérisée en ce que la butée (7) est disposée sur un disque de sortie (4) de l'entraînement électromoteur (4, 5, 6, 7).
  3. Serrure de véhicule automobile selon la revendication 1 ou 2, caractérisée en ce que la butée (7) présente un logement (7') en forme de U pour l'élément de blocage (9).
  4. Serrure de véhicule automobile selon l'une des revendications 1 à 3, caractérisée en ce que l'élément de blocage (9) est monté coaxialement au levier de sécurité (8).
  5. Serrure de véhicule automobile selon l'une des revendications 1 à 4, caractérisée en ce que l'élément de blocage (9) est réalisé en tant que levier de blocage (9) sollicité par un ressort.
  6. Serrure de véhicule automobile selon l'une des revendications 1 à 5, caractérisée en ce que le levier de sécurité (8) est conçu en tant que levier de verrouillage (8).
  7. Serrure de véhicule automobile selon l'une des revendications 1 à 6, caractérisée en ce que le levier de sécurité (8) présente un contour de réglage (10) coopérant avec une cheville (6) sur l'entraînement électromoteur (4, 5, 6, 7).
  8. Serrure de véhicule automobile selon la revendication 7, caractérisée en ce que le contour de réglage (10) est réalisé en tant qu'évidement en forme de U.
  9. Serrure de véhicule automobile selon l'une des revendications 1 à 8, caractérisée en ce que l'entraînement électromoteur (4, 5, 6, 7) présente en outre une came d'actionnement (5) pour ouvrir électriquement le mécanisme de verrouillage (1, 2).
EP20197436.7A 2019-10-02 2020-09-22 Serrure du véhicule automobile Active EP3800310B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019126596.7A DE102019126596A1 (de) 2019-10-02 2019-10-02 Kraftfahrzeug-Schloss

Publications (2)

Publication Number Publication Date
EP3800310A1 EP3800310A1 (fr) 2021-04-07
EP3800310B1 true EP3800310B1 (fr) 2022-04-27

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EP20197436.7A Active EP3800310B1 (fr) 2019-10-02 2020-09-22 Serrure du véhicule automobile

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DE (1) DE102019126596A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019132764A1 (de) * 2019-12-03 2021-06-10 Kiekert Aktiengesellschaft Kraftfahrzeugschloss, insbesondere Kraftfahrzeugtürschloss
DE102021126641A1 (de) 2021-10-14 2023-04-20 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss
DE102021128448A1 (de) 2021-11-02 2023-05-04 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss
DE102021132141A1 (de) 2021-12-07 2023-06-07 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss
DE102022114103A1 (de) 2022-06-03 2023-12-14 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss
DE202022103943U1 (de) * 2022-07-13 2023-10-16 Kiekert Aktiengesellschaft Kraftfahrzeugschloss insbesondere Kraftfahrzeug-Türschloss
DE102022121657A1 (de) 2022-08-26 2024-02-29 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss
DE102022121658A1 (de) 2022-08-26 2024-02-29 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss
DE102022121653A1 (de) 2022-08-26 2024-02-29 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012003743A1 (de) 2012-02-28 2013-08-29 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss
DE102017124520A1 (de) * 2017-10-20 2019-04-25 Kiekert Ag Kraftfahrzeugtürschloss
DE102017124529A1 (de) 2017-10-20 2019-04-25 Kiekert Ag Kraftfahrzeugtürschloss

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EP3800310A1 (fr) 2021-04-07
DE102019126596A1 (de) 2021-04-08

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