EP3800310A1 - Serrure du véhicule automobile - Google Patents

Serrure du véhicule automobile Download PDF

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Publication number
EP3800310A1
EP3800310A1 EP20197436.7A EP20197436A EP3800310A1 EP 3800310 A1 EP3800310 A1 EP 3800310A1 EP 20197436 A EP20197436 A EP 20197436A EP 3800310 A1 EP3800310 A1 EP 3800310A1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
lever
drive
vehicle lock
electric motor
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
EP20197436.7A
Other languages
German (de)
English (en)
Other versions
EP3800310B1 (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
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 EP3800310A1 publication Critical patent/EP3800310A1/fr
Application granted granted Critical
Publication of EP3800310B1 publication Critical patent/EP3800310B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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 motor vehicle door lock, with a locking mechanism consisting essentially of rotary latch and pawl, and with an electromotive drive for the locking mechanism and a safety lever, the electromotive drive working on the locking mechanism to open in an opening direction and in an unlocking direction deviating therefrom acts on the safety lever to take an unlocked position, and a stop for the electromotive drive is provided, 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 various 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 box, etc.
  • motor vehicle locks are often used these days with electric opening drive, which effect a motorized opening of the locking mechanism consisting essentially of rotary latch and pawl.
  • the electromotive drive for the locking mechanism and for opening the locking mechanism is in the prior art according to the DE 10 2012 003 743 A1 also used for other functions.
  • the electromotive drive in the above teaching also ensures that mechanical opening of the locking mechanism is guaranteed in emergency operation.
  • a locking lever maintains its "locked" position throughout normal operation.
  • the well-known electrical resp. electric motor drive equipped with an unlocking lock In this way, the functional reliability is to be increased.
  • the stop ensures that the movement of the electromotive drive is limited in the opening direction for releasing the unlocked position.
  • the temporary stop ensures that this prevents the locking mechanism from opening electrically.
  • the temporarily acting stop is, for example, a pin with a drive, with the aid of which a temporary blockage of an output element is implemented as part of the electromotive drive.
  • the said pin interacts with an outer circumference of the output 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 pen is also moved in accordance with signals transmitted to a control unit by at least one sensor. As a result, the design effort is relatively high. The invention aims to provide a remedy here overall.
  • the invention is based on the technical problem of adding such a motor vehicle lock and in particular motor vehicle door lock develop that a structurally simple solution is made available.
  • a generic motor vehicle lock and in particular motor vehicle door lock is characterized within the scope of the invention in that the stop is arranged on the electric motor drive and interacts with a blocking element.
  • the blocking element can in turn be arranged on the safety lever.
  • the procedure is usually such that the blocking element is mounted on the same axis as 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 in normal operation.
  • An actuating lever mechanism additionally provided in this context consequently goes empty or is blocked so that the locking mechanism cannot be opened. If, on the other hand, the motor vehicle lock and with it the safety lever or locking lever are in their "unlocked” or “unlocked” position, mechanical loading of the actuating lever system usually means that the locking mechanism can be opened mechanically and manually. In this way, the operating lever mechanism can be used redundantly for opening the locking mechanism. An emergency opening or an emergency opening may correspond to this.
  • the safety lever which is designed as a locking lever, assumes its “locked” position throughout. Only in the case of special situations, such as in the event of a crash, if the vehicle body is undervoltage or if it fails completely, is the electric motor drive applied in the different unlocking direction to unlock the locking lever. As soon as the safety lever or locking lever has assumed its “unlocked” or “unlocked” position, the motor vehicle lock according to the invention can be opened mechanically redundantly.
  • the invention ensures that the motor vehicle lock is still in its 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 with the help of the stop in order to cancel the unlocked position. At the same time, this procedure prevents the locking mechanism from opening. Only with a second and renewed application of the electric motor drive following the restoration of the The initial state should then come to the usual electrical opening, which is ensured according to the invention by the interplay between the stop and the blocking element.
  • the stop is arranged on an output disk of the drive.
  • the drive typically has an electric motor with an output worm on its output shaft.
  • the output worm engages on the outside with a toothing of the output disk and ensures that this - and thus the electromotive 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 output disk, whereas the unlocking direction is associated with a counterclockwise movement of the output disk.
  • the stop generally has a U-shaped receptacle for the blocking element.
  • the invention is based on the knowledge 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. In fact, the end of the blocking lever remote from the axis engages in the receptacle in question to block the drive.
  • the blocking lever can be returned to the starting position by its spring-loaded design. In this initial position and to restore the initial state, the safety lever or locking lever again assumes 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 made such that the drive, in addition to the pin and the stop, also has an actuating cam for electrically opening the locking mechanism.
  • the stop, the pin and also the actuating cam are generally located on a matching side of the driven pulley as part of the electromotive drive.
  • the result is a structurally strikingly simple motor vehicle lock and in particular a motor vehicle door lock which is particularly suitable and set up for realizing the temporary crash redundancy already described in the introduction.
  • an emergency opening can still be effected.
  • the safety lever is acted upon with the aid of the electric motor drive and opposite to the opening direction, namely in the unlocking direction.
  • the safety lever assumes its unlocked position, in which an additional for example provided operating lever mechanism can be acted upon manually and mechanically for emergency opening.
  • the drive ensures that when the safety lever is returned to its "secured” position and in the opening direction then completed, a Opening of the locking mechanism is prevented. 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 only has a Figure 1C indicated locking mechanism 1, 2 from rotary latch 1 and pawl 2.
  • an indicated release lever 3 is pivoted about its axis in the counterclockwise direction and the pawl 2 in engagement with the rotary latch 1 in the Figure 1C indicated pivoted clockwise.
  • the pivoting of the pawl 2 ensures that the rotary latch 1 pivots clockwise about its axis and releases a locking bolt that was previously caught and not shown.
  • An electromotive drive 4, 5, 6, 7 provides for the counterclockwise movement of the release lever 3 during the described "electrical opening" of the motor vehicle lock and in particular motor vehicle door lock.
  • the electromotive drive 4, 5, 6, 7 does not explicitly have one electric motor shown, which acts on an output pulley 4 shown via a worm on its output shaft.
  • the output disk 4 can rotate around its axis both in, for example, in the Figure 1B and 1C as well as 3A and 3B indicated counterclockwise (opening direction ⁇ ) as well as movements in Carry out clockwise as you would in the Figure 2A and 2 B and 4 are shown (direction of development 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 assume an unlocked position, as in the end effect in the functional sequence in the Figure 2A and 2 B is shown.
  • the securing lever 8 is a locking lever 8.
  • the assumption of the unlocking position as shown in FIG Figure 2B now corresponds to the fact that the safety lever or locking lever 8 is "unlocked” or "unlocked” according to the functional position according to the Figure 2B occupies.
  • 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 (no longer) be opened electrically, as shown in FIG the Figures 1A to 1C is shown.
  • the motor vehicle door lock can now start from the "unlocked" position of the locking lever 8 in the position according to the Figure 2B be transferred back 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 occupies.
  • a stop 7 is provided according to the invention on the electric motor drive 4, 5, 6, 7, which interacts with a blocking element 9.
  • the stop 7 is arranged on the output disk 4 of the electric motor drive 4, 5, 6, 7.
  • the output disk 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 upper side, the output disk 4 and connected to the output disk 4 so that they follow the rotary movements of the output disk 4.
  • the safety lever or locking lever 8 is “locked” starting from the position according to FIG Figure 2A in the "unlocked” position after the Figure 2B convicted.
  • the securing lever or locking lever 8 has an adjusting contour 10 that interacts with the pin 6.
  • the adjusting contour 10 for its part, has a U-shaped recess into which the pin 6 at the transition from the Figure 2A to Figure 2B immersed and thereby 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 in the "unlocked” position after the Figure 2B convicted.
  • the locking lever 8 rotates clockwise 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 to 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 blocking 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 opening of the locking mechanism 1, 2 is prevented because the actuating cam 5 almost moves against the release lever 3, but does not act upon it in the pawl 2 lifting away from the rotary latch 1.
  • Another stop 12 ensures in this context that the locking lever 8 securely in the Figure 2B position shown "unlocked” assumes.
  • an additional toggle spring (not shown) ensures that both positions “unlocked” and “locked” of the locking lever 8 are assumed in a bistable manner.
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 true EP3800310A1 (fr) 2021-04-07
EP3800310B1 EP3800310B1 (fr) 2022-04-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20197436.7A Active EP3800310B1 (fr) 2019-10-02 2020-09-22 Serrure du véhicule automobile

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EP (1) EP3800310B1 (fr)
DE (1) DE102019126596A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3832056A1 (fr) * 2019-12-03 2021-06-09 Kiekert AG Fermeture de véhicule automobile, en particulier fermeture de porte de véhicule automobile
WO2023232179A1 (fr) 2022-06-03 2023-12-07 Kiekert Ag Serrure de véhicule automobile, en particulier serrure de portière de véhicule automobile
WO2024012616A1 (fr) * 2022-07-13 2024-01-18 Kiekert Aktiengesellschaft Serrure de véhicule à moteur, en particulier serrure de portière de véhicule à moteur
WO2024041699A1 (fr) 2022-08-26 2024-02-29 Kiekert Aktiengesellschaft Serrure de véhicule automobile
DE102022121657A1 (de) 2022-08-26 2024-02-29 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss
WO2024041701A1 (fr) 2022-08-26 2024-02-29 Kiekert Aktiengesellschaft Serrure de véhicule automobile

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (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

Patent Citations (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

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3832056A1 (fr) * 2019-12-03 2021-06-09 Kiekert AG Fermeture de véhicule automobile, en particulier fermeture de porte de véhicule automobile
WO2023232179A1 (fr) 2022-06-03 2023-12-07 Kiekert Ag Serrure de véhicule automobile, en particulier serrure de portière de véhicule automobile
DE102022114103A1 (de) 2022-06-03 2023-12-14 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss
WO2024012616A1 (fr) * 2022-07-13 2024-01-18 Kiekert Aktiengesellschaft Serrure de véhicule à moteur, en particulier serrure de portière de véhicule à moteur
WO2024041699A1 (fr) 2022-08-26 2024-02-29 Kiekert Aktiengesellschaft Serrure de véhicule automobile
DE102022121657A1 (de) 2022-08-26 2024-02-29 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss
WO2024041701A1 (fr) 2022-08-26 2024-02-29 Kiekert Aktiengesellschaft Serrure de véhicule automobile
WO2024041700A1 (fr) 2022-08-26 2024-02-29 Kiekert Aktiengesellschaft Serrure de véhicule à moteur
DE102022121658A1 (de) 2022-08-26 2024-02-29 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss
DE102022121653A1 (de) 2022-08-26 2024-02-29 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss

Also Published As

Publication number Publication date
DE102019126596A1 (de) 2021-04-08
EP3800310B1 (fr) 2022-04-27

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