EP4097318A1 - Serrure de véhicule automobile à actionnement électrique - Google Patents

Serrure de véhicule automobile à actionnement électrique

Info

Publication number
EP4097318A1
EP4097318A1 EP21701649.2A EP21701649A EP4097318A1 EP 4097318 A1 EP4097318 A1 EP 4097318A1 EP 21701649 A EP21701649 A EP 21701649A EP 4097318 A1 EP4097318 A1 EP 4097318A1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
release lever
vehicle lock
lock
actuating
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
EP21701649.2A
Other languages
German (de)
English (en)
Other versions
EP4097318B1 (fr
Inventor
Carsten Fuchs
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 EP4097318A1 publication Critical patent/EP4097318A1/fr
Application granted granted Critical
Publication of EP4097318B1 publication Critical patent/EP4097318B1/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
    • E05B79/00—Mounting or connecting vehicle locks or parts thereof
    • E05B79/10—Connections between movable lock parts
    • E05B79/20—Connections between movable lock parts using flexible connections, e.g. Bowden cables
    • 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
    • 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
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/26—Output elements
    • E05B81/30—Rotary elements
    • 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
    • E05B81/32—Details of the actuator transmission
    • E05B81/34—Details of the actuator transmission of geared transmissions

Definitions

  • the invention relates to an electrically operated motor vehicle lock having a lock with a rotary latch and at least one pawl, a release lever, the release lever interacting with the lock such that a locked lock can be unlocked, an electric drive unit, the release lever at least by means of the drive unit can be actuated and the drive unit has at least one actuating element for actuating the release lever.
  • Motor vehicle door locks with an electric drive for triggering the lock are known from practice in a variety of designs.
  • the electric drive ensures that an actuating element is moved by means of which the release lever is actuated and thus the lock is unlocked.
  • the lock can also be opened mechanically. This can be done, for example, via an internal operating lever.
  • a sensor which is usually acted upon by the outside door handle, ensures that the electric drive is activated. It is also quite common in practice that a sensor arranged in the area of the outer door handle or in the outer door handle itself only has to be initialized in order to put the electric drive into operation.
  • the problem is that the drive can no longer be brought into its basic position, for example after an electrical opening process. This may include a failure of the electrical energy supply to the electric drive.
  • the actuating lever chain can also simply be mechanically stiff and / or blocked. In the cases mentioned, this means that the pawl remains in the raised position with the aid of the actuating lever chain or a release lever as part of the same.
  • the rotary latch is open and the lock cannot be closed because the pawl cannot fall into the rotary latch during the closing process due to its raised position.
  • An emergency opening operation is described in EP 1 320 652 B2 for this purpose.
  • This emergency opening operation is carried out as a function of a signal from a sensor.
  • the sensor can be an airbag sensor that emits a signal in the event of an accident.
  • the electric drive in the known teaching not only acts on the locking mechanism for electrical opening, but also connects an outside door handle with the locking mechanism in order to realize an emergency opening.
  • an intermediate lever controllable by the electric drive is provided, which couples a release lever, which can be hit by the external actuation lever, with the pawl.
  • the intermediate lever in question can also be transferred into the position coupling the release lever with the pawl with the help of a manually actuated Notbetuschi supply element in the form of a lock cylinder or a comparable mechanical adjusting device.
  • DE 10 2017 124 531 A1 also discloses a possibility of emergency operation in which the deflected release lever can be returned to its starting position in the event of a power failure.
  • an emergency actuation element is provided which uncouples the actuation lever chain so that the release lever can be moved into its starting position, i.e. the position in which the release lever releases the pawl, by means of spring force.
  • the emergency actuation element is arranged in the motor vehicle lock in such a way that it can be acted upon manually, with a coupling lever uncoupling the two-part release lever.
  • the prior art provides approaches to the effect that the operating lever chain is to be disengaged in the event of a power failure, with the help of a A manually actuated emergency actuation element enables the lock to be closed.
  • the solutions are all tied to additional mechanisms and require, at least in some areas, an electrical reset of the operating lever chain in order to return the locking mechanism to its starting position. This is where the invention comes into play.
  • the object is to provide an improved motor vehicle lock.
  • the task arises of providing a simplified motor vehicle lock with a smaller number of components in order to enable emergency locking with as little effort as possible and taking into account a structurally simple design and manual actuation.
  • an electrically actuated motor vehicle lock including a locking mechanism with a rotary latch and at least one pawl, a release lever, the release lever cooperating with the lock such that a locked lock can be unlocked , an electric drive unit, wherein the release lever can be actuated at least by means of the drive unit and the drive unit has at least one actuating element for actuating the release lever, and wherein the motor vehicle lock has a means for manually returning the actuated release lever or the actuated drive unit, in particular a gearbox .
  • the structure according to the invention of the electrically actuatable motor vehicle lock now provides the possibility of directing the actuating lever chain and, in particular, the electric drive unit.
  • the means for manual resetting acts on the drive train or on the release lever in such a way that the entire actuation chain is returned to its starting position.
  • an electrically operated motor vehicle lock is spoken of, it also means those locks that are used in doors, sliding doors, flaps and / or covers in motor vehicles, precisely wherever they are pivotably or displaceably attached to the motor vehicle Components must be kept secured in their position.
  • the electrically operated motor vehicle lock according to the invention relates to a side door lock. If a motor vehicle lock is used in the following, synonyms such as locking device or door lock are synonymous with one another.
  • Such motor vehicle locksmiths comprise a locking mechanism consisting of a rotary latch and a pawl.
  • the locking mechanism can also be equipped with two or more pawls or, for example, have a locking or blocking lever.
  • a first locking pawl which is also referred to as a comfort pawl, is in direct engagement with the rotary latch.
  • a preliminary detent and / or a main detent can be implemented in the locking mechanism. If there is an opening moment in the main locking position, i.e. the pawl is pushed into an opening position due to the force from the rotary latch, a second locking pawl is used, which can also be referred to as a locking or blocking lever. The second pawl secures the first pawl in its main locking position.
  • the release lever acts on the second pawl or the first and second pawl.
  • the release lever interacts with the pawl or pawls in such a way that the rotary latch is released and a two for example held lock holder is released.
  • the pawl or pawls are held out of engagement with the rotary latch.
  • the electrical power supply may fail so that the locking mechanism cannot be locked again.
  • the release lever can now be reset manually.
  • the drive unit has an electric motor, in particular an electric direct current motor, on whose output shaft a gear is arranged, which preferably cooperates with an output gear.
  • Gear drives are preferably used here, although the invention is not limited to, for example, a worm gear drive. Rather, it is conceivable that other types of transmission, such as a toothed rack, can also be moved by means of the electric drive.
  • An actuating element can be moved by means of the motor gear unit, wherein the actuating element can also be part of the transmission.
  • the actuating element is preferably designed as a separate component and is driven by means of a gear stage.
  • the release lever is moved, preferably pivoted, by means of the actuating element.
  • the failure of the electrical power supply acts in such a way that the motor gear unit can prevent the release lever from being reset.
  • a sluggishness of the motor gear unit and / or the actuating element and / or the release lever can prevent the release lever from being reset.
  • the components of the drive chain for the release lever are preferably spring-biased so that resetting is carried out with the aid of a spring.
  • the Sperrklin ke or the pawls are spring-preloaded in the motor vehicle lock, so that a reset of the release lever can be supported.
  • the release lever, as well as the actuating element can be included in the motor vehicle lock with a spring.
  • the control element is part of the electric drive unit and can be designed as a one-piece component together with an output gear of a gear stage.
  • the actuating element is preferably received as a separate component in the motor vehicle lock and is preferably pivotably mounted in the motor vehicle lock.
  • the output gear and the actuating element can be in engagement with one another via a further toothing and thus a further gear stage.
  • the actuating element is driven via two gear stages and wasted.
  • This offers the advantage that the force that is introduced into the actuating element can be adjusted to the forces in the locking mechanism or the forces that are to be provided in the release lever. If, for example, a two-pawl ratchet is used, the release forces acting on the second pawl are much lower than when a ratchet ratchet is used, the pawl having to be moved out of a detent position and out of engagement with the rotary latch.
  • the pivoting or the rotatable or pivotable mounting of the actuating element offers a structurally favorable possibility of actuating the release lever.
  • the drive chain can be reset in full.
  • An actuation of the actuating element acts via the gear stages on the electric motor and at the same time on the release lever.
  • the release lever and / or the pawls can be spring-preloaded so that when the adjusting element is reset, the pawl and the release lever move back independently.
  • the adjusting element is in positive engagement with the release lever, so that the release lever can be retracted.
  • the release lever can be actuated, in particular pivoted, by means of the means for resetting.
  • the release lever is preferably actuated electrically in that the drive chain is electrically energized and the electric motor moves the actuating element in such a way that the release lever is moved.
  • the release lever acts directly on the lock and unlocks the lock, as described above.
  • the release lever can also be actuated manually, for example via an outside door handle or an inside door handle. For this purpose, the release lever can engage with a actuating lever.
  • the release lever itself can be reset manually in the event of a deflected locking or Blockadehe bel and / or a pawl.
  • the locking mechanism can be locked again and an emergency closing is made possible.
  • the release lever interacts with the actuating element in a form-fitting manner, so that the actuating element or actuating element and the gear stages can be reset when the release lever is reset.
  • the pivotable receptacle of the release lever offers the advantage of a compact design and a favorable option for introducing forces and / or moments into the locking mechanism.
  • actuation nut all common mechanical engagement means are known that can initiate mechanical actuation in the motor vehicle lock by means of rotation.
  • These actuating sockets preferably have engagement contours that can be designed, for example, in the form of a slot or as a square or hexagon.
  • the engagement openings are preferably designed in the shape of a slot, so that an operator can, for example, insert a key or a screwdriver into the slot in order to operate the actuating nut, which can also be called a switching nut.
  • the operating nut is accessible from an inner surface, for example in the area of the B-pillar.
  • the drive unit, the adjusting element or the release lever can be reset mechanically directly or indirectly.
  • a lever mechanism and / or an additional gear unit can be connected to the actuating nut in order to return the release lever to its starting position.
  • the actuating nut is preferably arranged in the area of the inlet mouth of the motor vehicle lock, which results in an advantageous embodiment variant of the invention.
  • the inlet mouth is the area of the motor vehicle lock through which the motor vehicle lock interacts with a lock holder. In the open state of the motor vehicle lock, the rotary latch essentially releases the inlet mouth, so that the lock holder can access the rotary latch.
  • the arrangement of the actuating nut in the area of the inlet mouth thus advantageously offers access to the motor vehicle closed without having to arrange additional openings in the motor vehicle to actuate the actuating nut.
  • the means for resetting is designed as an extension, in particular as a lever-like extension, on the actuating element or on the release lever, a further variant embodiment of the invention results.
  • the direct extension of the components of the motor vehicle lock such as the actuating element or release lever, offers the advantage that existing components of the motor vehicle lock can be used. By simply lengthening the components, the number of components required can be reduced to a minimum.
  • the extension forms a manual intervention means for the user of the motor vehicle.
  • the extension can, for example, protrude from the motor vehicle lock and be manually gripped and operated by the operator.
  • An emergency actuation that is to say resetting the release lever, can thus take place directly by actuating the actuating element or the release lever. After actuation of the extension, the release lever is again in its starting position, so that the pawl can be brought back into engagement with the rotary latch.
  • a flexible Actuate supply means can, for example, be a Bowden cable or a pull cable that can be gripped and pulled or pushed by the operator for emergency actuation.
  • a flexible actuating element By using a flexible actuating element, it is possible to to arrange the emergency actuation at a distance from the motor vehicle lock, so that an advantageous arrangement of the emergency actuation in the motor vehicle lock that is clearly visible to the operator can be implemented.
  • the structure of the motor vehicle lock according to the invention now makes it possible to reset the electric drive and the release lever in the event of a power failure and when the pawl is deflected so that the motor vehicle lock can be locked again. Even if not detailed in the examples, it is of course also possible to arrange a means for resetting and, for example, an extension on the pawl itself in order to be able to reset the release lever and the drive unit.
  • Figure 1 is a three-dimensional view of a motor vehicle lock, only Lich the essential components for explaining the invention are as given;
  • FIG. 2 shows a side view of the drive unit, the actuating mechanism and the release lever.
  • FIG. 1 a three-dimensional view of a motor vehicle lock 1 is reproduced, with only those necessary to explain the invention Components are reproduced. Shown is a locking mechanism 2 with a Drehfal le 3 and a pawl 4, which are, for example, pivotably received in a lock plate, not shown, of the motor vehicle lock 1.
  • the locking mechanism 2 is shown in a main locking position in which the locking pawl 4 blocks the rotary movement of the rotary latch, so that a lock holder, also not shown, can be fixed.
  • the pawl 4 can interact with the pawl 4 by means of a release lever 5 and in particular by means of a pivoting movement of the release lever 5 in the direction of the arrow P1 and release the pawl 4 from engagement with the rotary latch 3.
  • the release lever 5 is received in the motor vehicle lock 1 so as to be pivotable about the axis 6.
  • An actuating element 7 interacts with the release lever 5, the actuating element 7 being part of a drive unit 8 for actuating the release lever 5.
  • the drive unit 8 has an electric motor 9, a drive wheel 10, a driven wheel 11 and the adjusting element 7.
  • a first gear stage is formed by the drive gear 10 and the driven gear 11 and a second gear stage by the driven gear 11 and the adjusting element 7 is pivotable around.
  • an actuating lever 13 is shown in FIG. 1, which is an external actuating lever 13, for example.
  • the release lever 5 can also be pivoted in the direction of the arrow P1, so that the locking mechanism 2 can be locked.
  • the illustrated embodiment shows an actuating lever 14 which actuates the release lever 5 by means of a clutch lever 14 and with the aid of a control lever 15.
  • the locking mechanism 2 can be manually unlocked by means of the external operating lever 13. Manual unlocking of the locking mechanism 2 is only necessary in a purely electrically operated motor vehicle lock 1 when mechanical unlocking of the locking mechanism 2 is required.
  • the actuating element 7 is pivoted in the direction of the arrow P2 by means of the first and second gear stages.
  • a control cam 16 engages in the release lever 5 and pivots the release lever in the direction of the arrow P1.
  • An Actuate transmission end 17 of the release lever 5 thus comes into engagement with the pawl 4, the pawl 4 being pivoted in the direction of arrow P3.
  • the Sperrklin ke 4 disengages from the rotary latch 3, so that a lock holder held by the rotary latch 3 is released.
  • the motor vehicle lock is now open. If, in this state of the motor vehicle lock 1, the electrical power supply fails, the locking mechanism 2 cannot be closed again. An electromechanical reset of the drive unit 8 cannot be carried out.
  • means for resetting 18 are provided in the motor vehicle lock 1, an extension 18 on the actuating element 7 being shown as an example.
  • the extension 18 can be manually pivoted clockwise about the axis 12.
  • a Bowden cable can engage in an engagement contour 19 of the extension 18 and pivot the adjusting element 7 or manually reset it.
  • FIG. 2 now shows a view of the drive unit 8, the actuating lever 13 and the release lever 5, the position of the release lever 5 in which the release lever 5 has unlocked the lock 2 is shown.
  • the release lever 5 was pivoted from an initial position A into an actuating position B by the angle a.
  • the extension 20 formed on the release lever 5 preferably protrudes from the housing 21 of the motor vehicle lock 1, so that the extension 2 can be gripped manually.
  • the housing 21 can have an opening 22 through which the means for resetting 20 extends.
  • the extension 20 is only connected to the release lever 5 and shown, imaginable and also shown in FIG. 2 is the connection of an extension 18 to the actuating element 7. The state in which the motor vehicle lock 1 is unlocked is shown.
  • the locking mechanism 2 cannot be closed again.
  • the elongations 18, 20 after actuation of the release lever 5, the Stel lelement 7 and the release lever 5 can now be manually returned to the starting position A.
  • the extension 18, 20 can either be gripped manually or there are pulling or adjusting means in order to bring the extension 18 back into the starting position.
  • the extensions 18, 20 are rich through an opening 22, 23, wherein the ends of the openings 22, 23 can serve as stops 24 for the extension 18, 20. For a better overview of Figure 2, only one stop 24 is provided with a reference number.
  • a positive engagement between the actuating element 7 and the release lever 5 can be provided so that the release lever 5 is returned mechanically and forcibly. It is also conceivable, however, that after the actuating element 7 has been reset, the release lever 5 and the pawl 4 are reset by means of a spring provided on the release lever and / or on the pawl. After the release lever 5 has been manually reset, the locking mechanism 2 can be closed so that the motor vehicle lock can also be closed in the event of a power failure.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne une serrure de véhicule automobile à actionnement électrique (1) comprenant : un mécanisme de verrouillage (2) avec un verrou rotatif (3) et au moins un cliquet (4), un levier de déclenchement (5), le levier de déclenchement (5) coopérant avec le mécanisme de verrouillage (2) de telle sorte qu'un mécanisme de verrouillage (2) verrouillé peut être déverrouillé, une unité d'entraînement électrique (8), le levier de déclenchement (5) pouvant être actionné au moins au moyen de l'unité d'entraînement (8) et l'unité d'entraînement (8) ayant au moins un élément de commande (7) pour actionner le levier de déclenchement (5), et la serrure de véhicule automobile (1) ayant un moyen pour réinitialiser manuellement (18, 20) le levier de déclenchement (5) actionné.
EP21701649.2A 2020-01-29 2021-01-14 Serrure de véhicule automobile à actionnement électrique Active EP4097318B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020102073.2A DE102020102073A1 (de) 2020-01-29 2020-01-29 Elektrisch betätigbares Kraftfahrzeugschloss
PCT/DE2021/100038 WO2021151423A1 (fr) 2020-01-29 2021-01-14 Serrure de véhicule automobile à actionnement électrique

Publications (2)

Publication Number Publication Date
EP4097318A1 true EP4097318A1 (fr) 2022-12-07
EP4097318B1 EP4097318B1 (fr) 2024-03-06

Family

ID=74235993

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21701649.2A Active EP4097318B1 (fr) 2020-01-29 2021-01-14 Serrure de véhicule automobile à actionnement électrique

Country Status (4)

Country Link
US (1) US20230074045A1 (fr)
EP (1) EP4097318B1 (fr)
DE (1) DE102020102073A1 (fr)
WO (1) WO2021151423A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113494215B (zh) * 2020-04-08 2023-03-24 开开特股份公司 机动车锁
DE102022122495A1 (de) 2022-09-06 2024-03-07 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss
DE102022122494A1 (de) 2022-09-06 2024-03-07 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss
EP4390012A1 (fr) * 2022-12-22 2024-06-26 Minebea AccessSolutions France Verrou électrique de véhicule automobile avec réengagement de la fermeture

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10048709A1 (de) 2000-09-30 2002-04-18 Kiekert Ag Kraftfahrzeugtürverschluss
EP2806091B1 (fr) * 2012-04-17 2017-10-04 Magna Closures SpA Serrure de véhicule électrique
DE102014001160A1 (de) * 2014-01-31 2015-08-06 Kiekert Aktiengesellschaft Elektrischer Kraftfahrzeugtürverschluss mit erhöter Betriebssicherheit
US10378252B2 (en) * 2015-02-25 2019-08-13 Magna Closures S.P.A. Dual motor latch assembly with power cinch and power release having soft opening function
US10844639B2 (en) * 2016-05-31 2020-11-24 Hyundai America Technical Center, Inc E-latch with mechanical backup and electronic override cancel feature
US11377882B2 (en) * 2016-07-04 2022-07-05 Kiekert Ag Motor vehicle lock
DE102017123262A1 (de) * 2017-10-06 2019-04-11 Kiekert Ag Kraftfahrzeugtürschloss
DE102017124525A1 (de) * 2017-10-20 2019-04-25 Kiekert Ag Kraftfahrzeugtürschloss
DE102017124531A1 (de) 2017-10-20 2019-04-25 Kiekert Ag Kraftfahrzeugtürschloss
US11377883B2 (en) * 2017-11-30 2022-07-05 Magna Closures Inc. Latch assembly for motor vehicle closure system having power release mechanism with override/reset
DE102018110700A1 (de) 2018-05-04 2019-11-07 Kiekert Ag Elektrisch betätigbares Kraftfahrzeugschloss

Also Published As

Publication number Publication date
EP4097318B1 (fr) 2024-03-06
US20230074045A1 (en) 2023-03-09
DE102020102073A1 (de) 2021-07-29
WO2021151423A1 (fr) 2021-08-05

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