EP3880913A1 - Serrure de véhicule automobile - Google Patents

Serrure de véhicule automobile

Info

Publication number
EP3880913A1
EP3880913A1 EP19804624.5A EP19804624A EP3880913A1 EP 3880913 A1 EP3880913 A1 EP 3880913A1 EP 19804624 A EP19804624 A EP 19804624A EP 3880913 A1 EP3880913 A1 EP 3880913A1
Authority
EP
European Patent Office
Prior art keywords
rotary latch
motor vehicle
spring
vehicle lock
leg
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
EP19804624.5A
Other languages
German (de)
English (en)
Other versions
EP3880913B1 (fr
Inventor
Thorsten Bendel
Christian Sturm
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 EP3880913A1 publication Critical patent/EP3880913A1/fr
Application granted granted Critical
Publication of EP3880913B1 publication Critical patent/EP3880913B1/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
    • E05B81/54—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
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/04—Spring arrangements in locks
    • E05B2015/0486—A single spring working on more than one element
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors

Definitions

  • the invention relates to a motor vehicle lock having a locking mechanism with a rotary latch and at least one pawl, the rotary latch being lockable by means of the pawl at least in a main latching position, a rotary latch spring, the rotary latch being biased in the direction of an open position by means of the rotary latch spring Locking device, wherein an actuating chain for unlocking the locking means can be locked or unlocked by means of the locking device and a release device for the rotary latch spring.
  • An electromechanical assistance system for opening a locking mechanism has become known from FR 29 20 805 A. If, for example, a malfunction occurs due to a power failure, the locking mechanism can be opened with the support of a spring assigned to the rotary latch.
  • a motor vehicle is known from DE 10 2015 205 345 A1, which has a mechanical energy store.
  • the motor vehicle lock has a locking mechanism consisting of a rotary latch and a pawl, the locking mechanism preferably being electrically unlockable.
  • Electrically unlockable locking systems are also known as electric locks or e-locks. With these locking systems, an electric drive can be set to one Actuate release lever or act directly on the pawl to disengage the pawl from the catch. For example, if the lock is in a locked position and in a main detent position, the pawl can be pivoted by means of the electric drive and the rotary latch can thus be released.
  • a spiral spring is described as an energy store, for example, which can be released via, for example, a lever mechanism, so that a supporting impulse is available for unlocking the lock.
  • the object of the invention is to provide an improved motor vehicle lock.
  • it is an object of the invention to provide an emergency release function which can be easily integrated into existing locking systems and which is also structurally simple and space-saving.
  • a motor vehicle lock having a locking mechanism with a rotary latch and at least one pawl, the rotary latch being lockable by means of the pawl at least in a main latching position, a rotary latch spring, the rotary latch being by means of the rotary latch spring is biased towards an open position, a locking device, an actuation supply chain for unlocking the locking device can be locked or unlocked by means of the locking device, and a release device for the rotary latch spring, wherein the locking device can be actuated by means of the rotary latch spring and after release of the rotary latch spring is.
  • the structure of the motor vehicle lock according to the invention now provides the possibility of moving a motor vehicle lock from a locked position into an unlocked position by means of the components available in the motor vehicle lock.
  • the torsion latch spring acting in the motor vehicle lock and in particular on the rotary latch is used.
  • the latent force present in the main latching position in the rotary latch spring is used, whereby the rotary latch spring can be used as an energy store for unlocking the motor vehicle lock.
  • the motor vehicle lock according to the invention has a locking mechanism with a rotary latch and at least one pawl.
  • the pawl and rotary latch are preferably pivotally mounted in a lock case and we ken together with a lock holder, whereby a locking movement of the locking mechanism can be achieved by a relative movement between a mostly fixed lock holder and the motor vehicle lock.
  • Locks with a preliminary catch and a main catch as well as a lock with one, two or three locking and / or blocking pawls are known.
  • the pawl is spring biased in the direction of the catch and is moved out of engagement with the catch by means of a trigger mechanism.
  • the rotary latch has a rotary latch spring, which is usually designed as a leg spring. The rotary latch spring biases the rotary latch towards an open position. After unlocking, i.e.
  • a lock holder is released.
  • one leg of the leg spring engages with the rotary latch, whereas a second leg of the leg spring bears against a fixed stop in the motor vehicle lock.
  • the limb of the rotary spring which rests against the stop and in particular the energy stored in the rotary spring can be released and used to unlock the motor vehicle lock.
  • a locking device is used to disable an actuating chain for locking the locking mechanism.
  • electrical unlocking can take place, for example, by means of a manual actuation of a locking cylinder.
  • the invention preferably relates to motor vehicles which do not use a locking cylinder.
  • the locked lock must be able to be moved into an unlocked position in the event of a power failure or a power failure in order to enable the lock to be actuated or the lock to be unlocked.
  • the motor vehicle lock has a release device for the rotary latch spring. By releasing the rotary latch spring, the energy of the rotary latch spring is available for transferring the motor vehicle lock from a locked position to an unlocked position.
  • the release device can be actuated electrically.
  • the release device can be triggered very quickly by an electrical actuation, which is particularly advantageous in the case when there is a power drop in the motor vehicle. If the control detects, for example, that there is no longer sufficient current available to unlock the unlocking mechanism in the motor vehicle, the release device can be actuated by means of an emergency power supply and preferably with a very low current. Very fast switching times can thus be achieved and it can be sufficient if only low currents are available to perform an emergency release.
  • the release device can have an electric drive, a stop being operable, in particular rotatable, by means of the electric drive. The release device can be actuated very quickly by means of an electric drive, a displacement, pivoting or positioning of a stop for the rotary spring being possible.
  • the rotary latch spring is designed as a leg spring.
  • the use of a leg spring to act on the rotary latch with an opening moment or an opening force is usual, so that standardized and ready components of a motor vehicle lock can be used.
  • the leg spring closes the axis of the rotary latch, one leg resting against the rotary latch in such a way that a force can be introduced into the rotary latch by means of the leg.
  • the leg acting on the rotary latch can engage in the rotary latch or at least partially enclose the rotary latch.
  • Another leg of the leg spring then interacts with the release device. It has turned out to be advantageous that the release device has a stop for the further leg of the rotary latch spring.
  • a stop for one leg of the rotary latch spring then interacts with the release device.
  • the release device has a stop, for example in the form of a recess, the stop being movably mounted in the motor vehicle lock and / or the release device.
  • the stop is formed from a, for example, cylindrical component that is pivotally received in the release device.
  • a recess can then be formed in the cylindrical component, into which the spring leg can be inserted in a form-fitting manner. For example, a rotational movement of the cylindrical component can bring the spring leg into a release position.
  • the cylindrical component, which serves as a stop is arranged directly on a shaft of a motor.
  • the stop can also have a different geometric shape that can be moved, for example, indirectly by means of a gear and via the electric drive, the stop being pivotable or displaceable, for example. It is essential to the invention that one leg of the leg spring can be transferred from the locked position of the locking mechanism into a release position.
  • the locked position of the locking mechanism which is preferably a downward locking position, the rotary latch spring is in the maximally compressed form, so that there is a maximum of stored energy in the rotary latch spring. If the rotary latch spring is now released from the stop, the energy stored by means of the rotary latch spring is available from the anti-lock position for unlocking the locking device.
  • a means for tensioning in particular a special winding device, is provided for the rotary latch spring.
  • the leg spring can be unlocked by means of the released leg of the leg spring.
  • the leg can, for example, pivot a gearwheel and / or move a lever and / or position a toggle spring.
  • the leg of the leg spring lies in a defined position, for example against an end stop in the housing of the motor vehicle lock.
  • the leg spring is then relaxed in the motor vehicle lock and held by the connec tion of the other leg to the catch and the looping of the axis of the catch in the ratchet.
  • a mounting device By means of a mounting device, there is then the possibility of bringing the released spring leg back into engagement with the stop of the release device.
  • This can be done manually, for example, using a suitable tool and, for example, using a coupling, or alternatively, when the door, for example, closes, the rotary latch spring can move back into the starting position and thus come into engagement with the stop of the release device.
  • the clamping means can be operated manually or, as described above, can be moved back indirectly to the starting position, for example by closing a door.
  • Fig. 1 is a plan view of a motor vehicle lock in a view of a locking mechanism mounted in a lock case and egg ner release device.
  • Figure 1 is a plan view of a motor vehicle lock 1 in a view of a locking mechanism 2, a release device 3 and a locking device 4, 5 is shown, the locking mechanism 2 being mounted in a lock case 6.
  • the lock case 6 can be fastened to a body of a motor vehicle, for example, by means of threads 7, 6 molded into the lock case 6.
  • the ratchet part axes 9, 10 are also connected to the lock case 6, for example by means of riveting.
  • Darge represents a anti-lock position, wherein a pawl 11 with a rotary latch 12 arrives in a main rest 13 to the system.
  • the pawl 11 holds the rotary latch 12 in the main latching position, so that a lock holder 14 can be fixed or held.
  • the pawl 1 1 is biased by a pawl spring 15 in the direction of the catch 12.
  • a release lever By means of a release lever, not shown, the pawl 11 can be moved around the axis 9 and brought out of engagement with the rotary latch 12.
  • the actuating lever chain for actuating the release lever can be movable, for example, by an external actuating lever or an internal actuating lever or by means of an electric drive.
  • the actuating lever chain to the release lever can be interrupted by means of the locking device 4, 5, so that opening or unlocking of the locking mechanism can be prevented.
  • the motor vehicle lock 1 is then in a locked state.
  • the rotary latch 12 is biased by a rotary latch spring 16 counterclockwise around the axis 10 in the direction of arrow P1.
  • the torsion spring 16 designed as a leg spring engages with a first Fe derschenkel 17 in an opening 18 of the rotary latch 12.
  • a second feather bar! 19 of the torsion spring 16 abuts a stop 20 of the free delivery device 3.
  • the stop 20 forms a fixed bearing for the spring leg 19.
  • the stop 20 is arranged as a rotatable stop 20 on a motor shaft 21 of an electric motor 22.
  • the stop 20 has a recess 23, so that by rotating the motor shaft 21 of the spring leg 19 can be released from the stop 20.
  • this embodiment is not restrictive, although here the stop 20 is arranged directly on the motor shaft 21, the stop 20 can also be pivoted by means of a gear and / or a lever mechanism. It is also conceivable that the stop 20 is arranged in the motor vehicle lock 1, for example in a linearly displaceable manner.
  • the main latching position of the locking mechanism 2, as shown in FIG. 1, represents the closed state of the motor vehicle lock 1 when, for example, a movable component in which the motor vehicle lock 1 is installed is in a closed position.
  • the rotary latch 12 also moves using the leg spring 16 counterclockwise around the axis 10 and releases the lock holder 14.
  • the lock holder 14 can move out of the inlet mouth 24 of the rotary latch 12, the rotary latch 12 being in an open position.
  • the leg spring 16 holds the catch 12 in the open position, so that the motor vehicle lock can be closed or locked again by a relative movement between the motor vehicle lock 1 and the lock holder 14.
  • the spring leg 19 can be moved out of the stop 2 by means of the release device 3, so that the spring leg 19 no longer rests in the recess 23, but becomes free.
  • the stop 20 can be rotated around the center line M.
  • the spring leg 19 is released and moves clockwise in the direction of arrow P2 about the axis 10.
  • the spring leg 19 comes into engagement with the locking device 4, whereby the locking device 4 is pivotable, for example in the direction of arrow P3.
  • the locked motor vehicle lock 1 can thus be brought into an unlocked state.
  • a further locking device 5 is shown in Figure 1, wherein the spring leg 19 moves the locking device 5 linearly in the direction of arrow P4.
  • the alternatively shown locking devices 4, 5 are of course to be understood only as examples, since a motor vehicle lock 1 usually only has a locking device 4, 5. Only the possibility is to be shown that alternative forms of actuation can be formed with the spring leg 19.
  • a release device 3 which interacts with a rotary latch spring 16
  • an energy store for unlocking the motor vehicle lock 1 can be provided.
  • the spring leg 19 is brought back into the starting position in engagement with the stop 20, for example by means of a flange.
  • the motor vehicle lock 1 can be returned to its starting position.
  • the force of the torsion spring 16 is again available for Notentrie of the motor vehicle lock 1.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne une serrure de véhicule automobile (1) présentant un dispositif d'encliquetage (2) comprenant un pêne pivotant (12) et au moins un cliquet (11), le pêne pivotant (12) pouvant être bloqué au moyen du cliquet (11) au moins dans une position d'encliquetage principal (13), un ressort de pêne pivotant (16), au moyen duquel le pêne pivotant (12) est précontraint dans la direction d'une position d'ouverture, un dispositif de verrouillage (4, 5), au moyen duquel une chaîne d'actionnement destinée à débloquer le dispositif d'encliquetage (2) peut être verrouillée ou déverrouillée, ainsi qu'un dispositif de libération (3) pour le ressort de pêne pivotant (16), le dispositif de verrouillage (4, 5) pouvant être actionné au moyen du ressort de pêne pivotant (16) et après une libération du ressort de pêne pivotant (16).
EP19804624.5A 2018-11-16 2019-10-31 Serrure de véhicule automobile Active EP3880913B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018128810.7A DE102018128810A1 (de) 2018-11-16 2018-11-16 Kraftfahrzeugschloss
PCT/DE2019/100938 WO2020098869A1 (fr) 2018-11-16 2019-10-31 Serrure de véhicule automobile

Publications (2)

Publication Number Publication Date
EP3880913A1 true EP3880913A1 (fr) 2021-09-22
EP3880913B1 EP3880913B1 (fr) 2022-12-28

Family

ID=68581119

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19804624.5A Active EP3880913B1 (fr) 2018-11-16 2019-10-31 Serrure de véhicule automobile

Country Status (4)

Country Link
EP (1) EP3880913B1 (fr)
CN (1) CN113015834B (fr)
DE (1) DE102018128810A1 (fr)
WO (1) WO2020098869A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3110925B1 (fr) * 2020-05-29 2023-05-26 Vitesco Technologies Dispositif d’accès de secours d’ouvrant de véhicule à levier de rétention et fil de traction

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0006931D0 (en) * 2000-03-23 2000-05-10 Meritor Light Vehicle Sys Ltd Latch mechanism
CN101033669A (zh) * 2006-03-06 2007-09-12 杜再钦 汽车门锁结构
US8915524B2 (en) * 2007-03-08 2014-12-23 GM Global Technology Operations LLC Vehicle door auxiliary latch release
CN101109246B (zh) * 2007-08-10 2010-12-01 宁波信泰机械有限公司 一种全自动汽车电动门锁
FR2920805B1 (fr) 2007-09-11 2009-11-06 Peugeot Citroen Automobiles Sa Systeme d'assistance a l'ouverture d'une serrure.
DE202007013330U1 (de) * 2007-09-21 2009-02-12 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloß
DE102013217265A1 (de) * 2013-08-29 2015-03-19 Kiekert Ag Elektrisches Kraftfahrzeugschloss mit Federspeicher
DE102013217256B3 (de) 2013-08-29 2015-03-05 Robert Bosch Gmbh Buchse sowie Hochstromsteckverbindung, die eine solche Buchse aufweist
CN203835082U (zh) * 2014-04-22 2014-09-17 伟速达（中国）汽车安全系统有限公司 一种汽车前盖锁双开机构
DE102015205345A1 (de) 2015-03-24 2016-09-29 Kiekert Ag Betätigungseinrichtung für ein Kraftfahrzeugelektroschloss mit Federspeicher
KR20180092293A (ko) * 2017-02-08 2018-08-17 인테바 프로덕츠 엘엘씨. 차량 래치에서의 균일한 해제 작용력을 위한 장치 및 방법

Also Published As

Publication number Publication date
CN113015834A (zh) 2021-06-22
CN113015834B (zh) 2022-09-27
DE102018128810A1 (de) 2020-05-20
EP3880913B1 (fr) 2022-12-28
WO2020098869A1 (fr) 2020-05-22

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