EP4010552A1 - Kraftfahrzeugschloss, insbesondere kraftfahrzeugtürschloss - Google Patents
Kraftfahrzeugschloss, insbesondere kraftfahrzeugtürschlossInfo
- Publication number
- EP4010552A1 EP4010552A1 EP20754164.0A EP20754164A EP4010552A1 EP 4010552 A1 EP4010552 A1 EP 4010552A1 EP 20754164 A EP20754164 A EP 20754164A EP 4010552 A1 EP4010552 A1 EP 4010552A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor vehicle
- emergency
- drive
- vehicle lock
- lever
- 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.)
- Pending
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
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/80—Electrical circuits characterised by the power supply; Emergency power operation
- E05B81/82—Electrical circuits characterised by the power supply; Emergency power operation using batteries other than the vehicle main battery
-
- 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
- E05B81/12—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
- E05B81/00—Power-actuated vehicle locks
- E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
- E05B81/48—Actuators being driven in a single direction
-
- 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
- E05B81/50—Powered actuators with automatic return to the neutral position by non-powered means, e.g. by springs
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
Definitions
- Motor vehicle lock in particular motor vehicle door lock
- the invention relates to a motor vehicle lock, in particular a motor vehicle door lock, with an electromotive drive for an actuating lever chain, in particular a locking lever chain, and with an emergency energy store for the electrical supply of the drive in the course of an emergency operation, in particular emergency unlocking.
- the motor vehicle lock or motor vehicle door lock described above generally has a locking mechanism comprising a rotary latch and a pawl, which can be opened by a motor with the aid of the electromotive drive via the actuating lever chain.
- This process is referred to as “electrical opening” and is well known, for which reference is made to DE 102017 124525 A1 by the applicant by way of example only.
- To open the locking mechanism electrically the signal from an outside door handle or inside door handle is evaluated with the help of a sensor there. The sensor actuation is recorded with the aid of a control unit and ensures that the electromotive drive lifts the pawl from its engagement with the rotary latch via a release lever as an actuation lever chain.
- a mechanical actuating element is also provided for emergency actuation of the electric motor drive.
- actuation of the locking mechanism should be possible and can be carried out unchanged even if the drive fails.
- An emergency closing of the locking mechanism usually corresponds to this in order to ensure that the associated motor vehicle door is locked.
- the additional emergency energy store is provided as an alternative to the mechanical actuating element for emergency actuation of the drive element according to DE 102017 124525 A1.
- the drive is supplied with the necessary electrical energy in the course of the emergency operation or release.
- the actuation lever chain is designed as a locking lever chain and, in normal operation, ensures that the associated motor vehicle lock assumes at least the “unlocked” and “locked” positions.
- the emergency actuation device implemented there is equipped with several mandatory components.
- the emergency energy storage not only the electronics unit and the communication unit are supplied with electrical energy in the event of a failure of the main power source (the battery permanently installed in the vehicle), but also an inadequate electrical energy specified lock drive. It is also possible to work with an external energy store that can be connected via an energy connection as an emergency energy store. It is therefore not necessary to charge the emergency energy store from the motor vehicle. Nevertheless, the known solution is relatively complex to construct.
- a locking system in which a signal for unlocking and / or locking an associated lock is again transmitted between a key and a transmitter / receiver. It also enables energy to be transmitted from the key to the lock. This allows the lock to be activated in an emergency, especially in the case of an electric door lock.
- the energy transfer can be realized and implemented with the help of electrical contacts or also by means of inductive transfer via coils.
- the state of the art has basically proven itself when it comes to coupling the emergency actuation to an upstream authentication check.
- the previous solutions are mechanically and circuit-technically complex, because the implemented lock drive usually works in a reversing manner and consequently has to be reset by a motor after an emergency operation.
- the invention aims to provide a remedy here overall.
- the invention is based on the technical problem of further developing such a motor vehicle lock and in particular motor vehicle door lock, that a structurally simple emergency actuation with reduced energy consumption compared to the prior art 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 drive for emergency actuation and in particular emergency unlocking acts on the actuating lever chain and in particular locking lever chain against the force of a return spring.
- the drive works unidirectionally.
- the procedure is usually such that the drive is equipped with a high-ratio gear, for example a thread gear.
- a high-ratio gear for example a thread gear.
- the transmission works via a flexible connecting means on a lever of the actuating lever chain.
- the flexible connecting means can be the thread which is already provided as a component of such a thread drive.
- a particularly simple and cost-effective variant is further characterized in that the drive, optionally including an emergency energy store, is designed as an attachment module to a lock housing.
- the drive and mostly also the emergency energy store define a structural unit, namely the attachment module, which is attached as a whole to an already existing lock housing.
- the attachment module in question can be connected in a detachable manner, so that the attachment module can be retrofitted if necessary.
- an operator's authentication check takes place before the emergency actuation.
- the procedure in this case may be comparable to that described in detail in the previously referenced and generic prior art according to DE 10 2017 125 710 A1.
- the design is usually made in such a way that the operator wishing to access has an ID transmitter and, in particular, an electronic key.
- communication now takes place between the electronic key and a control unit in the vehicle or a control device.
- the control unit or the control device is supplied with the required electrical energy with the help of the emergency energy store.
- the emergency energy storage ensures that the emergency operation can take place as outlined after a positive authentication check by the operator.
- the electromotive drive for the actuating lever chain and in particular the locking lever chain is acted upon unidirectionally, namely in such a way that the lever is usually transferred from its "locked” position to the "unlocked” position.
- the operating lever chain is designed as a locking lever chain and the lever as a locking lever.
- the electromotive drive Due to the unidirectional design of the electromotive drive, it can be implemented and implemented mechanically in a particularly simple and inexpensive manner.
- the combination of the electric motor drive with the return spring ensures that, after the lever in question has been actuated with the aid of the unidirectional working Drive, however, the lever and the drive are reset.
- the return spring is initially tensioned when the lever is actuated and then ensures that the drive and the lever are returned to their starting position after the electric motor drive has been switched off.
- a motor vehicle lock and in particular a motor vehicle door lock, is made available which provides and realizes an emergency actuation or emergency release with a simple design.
- an emergency release is required when the functioning of the electromotive drive operating on the locking lever chain in such a case is disturbed and the locking lever chain in the example case remains “locked” in its position throughout.
- the invention is based on the knowledge that the state "locked” the locking chain is typically used not only when the motor vehicle is parked, but also while driving for safety reasons.
- an authentication check is carried out according to the invention.
- the emergency energy store is provided, which supplies the control unit or the control device with the required electrical energy, so that the authentication check then takes place in which the control unit, for example, with an operator-side key or in general communicated with an ID transmitter.
- the emergency energy storage system After a positive authentication check by the operator wishing to enter, the emergency energy storage system then ensures that the electric motor drive is activated in order to transfer the locking lever chain from its "locked" position to the "unlocked” position. Only then can an associated locking mechanism, for example a rotary latch and pawl, be opened mechanically with the aid of an additionally provided operating lever mechanism.
- FIG. 1 shows the motor vehicle lock according to the invention in the form of a motor vehicle lock in a schematic overview
- Fig. 2 shows the electric motor drive in detail
- FIG. 3 shows a further detail section from the object of FIG. 2.
- a motor vehicle lock which, within the scope of the exemplary embodiment and not by way of limitation, is a motor vehicle door lock 1.
- the motor vehicle door lock 1 has a lock housing 2, in the interior of which, for example and not by way of limitation, a locking mechanism comprising a rotary latch and pawl with the usual functionality is arranged.
- a locking mechanism comprising a rotary latch and pawl with the usual functionality is arranged.
- an actuating lever chain 3 which, according to the exemplary embodiment in FIG. 1, is only indicated schematically.
- the operating lever chain 3 is designed in the exemplary embodiment and not restrictively as a locking lever chain and, in particular, a central locking chain.
- a control device or control unit 4 on the vehicle side can also be seen.
- the drive 6 acts on the locking lever chain 3 in the course of an emergency release to be described in more detail below against the force of a return spring 7.
- an authentication check is first carried out by an operator wishing to gain access.
- the operator wishing to gain access has a key 8 on the operator's side.
- the energy store 5 ensures that the control device or control unit 4 is supplied with the required electrical energy so that a preferably wireless (and in the 1) communication between the control unit 4 and the operator-side key 8 can take place.
- the energy store 5 is connected to the control unit 4 and the control unit 4 in turn ensures that the electromotive drive 6 is acted upon if the authentication test has been passed successfully.
- the unidirectional drive 6 acts on the actuating lever chain or locking lever chain 3 against the force of the return spring 7.
- the drive 6 works via a downstream and Gear 9, 10 shown in detail in FIG. 2 on a lever 3a as part of the locking lever chain 3.
- the gear 9, 10 is a high-ratio gear 9, 10, that is, one which rotates an output shaft 9 of the electric motor drive 6 or an electric motor 6 implemented at this point to the lever 3a according to the embodiment directly - Bears because the gear 9, 10 is a thread gear.
- This has a thread 10 wound on the output shaft 9 which converts the rotations of the output shaft 9 and consequently of the electric motor 6 directly into a shortening of the thread 10 indicated in FIG. 3.
- As evidenced by the detailed illustration in FIG position shown is transferred to "unlocked". This process may take several seconds due to the number of revolutions of the electric motor 6 corresponding to the pivoting path in question, but this is acceptable for the emergency operation or emergency unlocking described here.
- the high gear ratio implemented by the gear mechanism 9, 10 or the filament mechanism 9, 10 implemented by way of example corresponds to the fact that the drive 6 or electric motor can operate with low currents.
- the emergency energy store 5 is only slightly loaded, or an emergency energy store 5 with a low capacity can be used.
- the electric motor 6 and the return spring 7 together with the energy store 5 together define an attachment module 5, 6, 7 or 6, 7 indicated in FIG. 1, which are attached as a structural unit to the lock housing present there can.
- the attachment module 5, 6, 7 in question can also only comprise the electric motor 6 and the associated return spring 7.
- the gear 9, 10 works via a flexible connecting means 10 on the lever 3a as part of the locking chain 3.
- the flexible connecting means 10 and the thread 10 coincide as part of the thread drive 9, 10, so that the structural design is particularly simple.
- the return spring 7 may be designed as a spiral spring which is attached to a rearward extension of the output shaft 9 of the electric motor 6 is connected to its one end, whereas the other end of the return spring 7 or the spiral spring implemented in this context may be connected in a stationary manner, for example to the housing 2 of the motor vehicle door lock 1.
- the lever 3a is equipped with a freewheel. That is, it is only possible to act on the lever 3a by pulling it from its dashed position to the solid position.
- the backward movement of the lever 3a may be ensured by an indicated spring belonging to the lever 3a.
- the return spring 7 ensures that the thread 10 previously wound on the output shaft 9 during this process is unwound again. That is, the drive 6 acts on the lever 3a for emergency unlocking while being Return takes place without force, namely acted upon by the previously tensioned return spring 7, which can relax after the emergency release has ended and in this case resets the motor and specifically unwinds the thread 10 from the output shaft 9.
- the actuating element 11 may be a mechanical actuating element 11 and specifically an actuating nut 11, which can be acted upon by a tool, a wrench, a screwdriver, etc., for example.
- the actuating nut 11 is located in the inlet area of the motor vehicle door lock 1. As a result, the actuating nut 11 is accessible when the motor vehicle door is open. If the motor vehicle lock 1 is in the "unlocked" state of the locking lever chain 3 because the electromotive drive 6 is disturbed, the mechanical actuating element or actuating nut 11 can be used in this case and in addition to provide an emergency locking.
- the mechanical actuation element or the actuation nut 11 works on the lever 3a in such a way that it is transferred from the "unlocked" position assumed by the solid line to the "locked” position shown in broken lines.
- a locking button 12 may be moved accordingly, which is only shown for reasons of simplicity.
- the actuating nut 11 is of course not necessary for the functionality described above in the course of the emergency release.
Landscapes
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019121300.2A DE102019121300A1 (de) | 2019-08-07 | 2019-08-07 | Kraftfahrzeugschloss, insbesondere Kraftfahrzeugtürschloss |
PCT/DE2020/100673 WO2021023341A1 (de) | 2019-08-07 | 2020-07-28 | Kraftfahrzeugschloss, insbesondere kraftfahrzeugtürschloss |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4010552A1 true EP4010552A1 (de) | 2022-06-15 |
Family
ID=72046670
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20754164.0A Pending EP4010552A1 (de) | 2019-08-07 | 2020-07-28 | Kraftfahrzeugschloss, insbesondere kraftfahrzeugtürschloss |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220290469A1 (de) |
EP (1) | EP4010552A1 (de) |
CN (1) | CN114555899B (de) |
DE (1) | DE102019121300A1 (de) |
WO (1) | WO2021023341A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11571803B2 (en) * | 2019-05-30 | 2023-02-07 | Milwaukee Electric Tool Corporation | Power tool with combined chip for wireless communications and power tool control |
DE102021123330A1 (de) | 2021-09-09 | 2023-03-09 | Kiekert Aktiengesellschaft | Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss |
DE102021126370A1 (de) | 2021-10-12 | 2023-04-13 | Kiekert Aktiengesellschaft | Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA220715A (en) * | 1922-07-11 | Nelson Walter | Automobile locking device | |
DE8809256U1 (de) | 1988-07-20 | 1988-09-22 | Kiekert GmbH & Co KG, 5628 Heiligenhaus | Kraftfahrzeugtürverschluß mit in der Kraftfahrzeugtür untergebrachtem Schloß und Kindersicherung |
DE4240013A1 (de) * | 1992-08-25 | 1994-06-01 | Bayerische Motoren Werke Ag | Fernsteuerbares Schloß, insbesondere für Kraftfahrzeugtüren |
DE19710531B4 (de) * | 1997-03-14 | 2007-01-18 | Brose Schließsysteme GmbH & Co.KG | Kraftfahrzeug-Türschloß |
DE10128668A1 (de) | 2001-06-13 | 2003-01-09 | Kiekert Ag | Notverriegelungseinrichtung |
FR2835867B1 (fr) * | 2002-02-12 | 2004-08-20 | Meritor Light Vehicle Sys Ltd | Serrure de vehicule automobile |
JP2004092204A (ja) * | 2002-08-30 | 2004-03-25 | Aisin Seiki Co Ltd | ドア開閉操作装置 |
DE102006002119A1 (de) | 2005-01-19 | 2006-07-20 | Marquardt Gmbh | Schließsystem, insbesondere für ein Kraftfahrzeug |
DE102006003023A1 (de) * | 2006-01-23 | 2007-07-26 | Marquardt Gmbh | Elektrisches Türschloß |
JP4953711B2 (ja) * | 2006-07-11 | 2012-06-13 | 株式会社ホンダロック | 車両用ドアロック装置 |
GB2474846A (en) * | 2009-10-27 | 2011-05-04 | Arvinmeritor Light Vehicle Sys | Latch system comprising key barrel operably coupled to latch via a clutch mechanism |
CN102080479B (zh) * | 2009-11-27 | 2013-01-02 | 比亚迪股份有限公司 | 车用电动门锁 |
JP5393570B2 (ja) * | 2010-03-31 | 2014-01-22 | アイシン機工株式会社 | 車両用リッドロック装置 |
DE202012008326U1 (de) | 2012-08-28 | 2013-12-02 | Kiekert Aktiengesellschaft | Kraftfahrzeugtürschloss |
DE102012111298A1 (de) * | 2012-11-22 | 2014-05-22 | Kiekert Aktiengesellschaft | Kraftfahrzeugtürverschluss |
DE102013020418A1 (de) * | 2013-12-05 | 2015-06-11 | Daimler Ag | Kraftfahrzeugschloss sowie Verfahren zum Entriegeln eines Kraftfahrzeugschlosses |
DE102014105875A1 (de) * | 2014-04-25 | 2015-10-29 | Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt | Kraftfahrzeugschlossanordnung |
DE102014113495A1 (de) * | 2014-09-18 | 2016-03-24 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Türgriffanordnung für ein Kraftfahrzeug |
DE102014016787A1 (de) * | 2014-11-14 | 2016-05-19 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Kraftfahrzeugschloss |
DE102015002450A1 (de) * | 2015-02-25 | 2016-08-25 | Kiekert Aktiengesellschaft | Kraftfahrzeugtürverschluss |
JP6583689B2 (ja) * | 2016-06-20 | 2019-10-02 | 三井金属アクト株式会社 | 車両トランクリッド用ラッチ装置 |
US11479996B2 (en) * | 2016-11-07 | 2022-10-25 | Kiekert Ag | Locking device for a motor vehicle |
CN206917458U (zh) * | 2017-05-19 | 2018-01-23 | 北京长城华冠汽车科技股份有限公司 | 一种车门门锁紧急解锁装置 |
DE102017124525A1 (de) | 2017-10-20 | 2019-04-25 | Kiekert Ag | Kraftfahrzeugtürschloss |
DE102017125710A1 (de) | 2017-11-03 | 2019-05-09 | Valeo Schalter Und Sensoren Gmbh | Parkassistenz für ein Kraftfahrzeug zum Parken auf öffentlichem und pivatem Grund |
DE102017125719A1 (de) | 2017-11-03 | 2019-05-09 | Kiekert Ag | Notbetätigungsvorrichtung für ein bewegliches Teil eines Fahrzeugs |
US11542730B2 (en) * | 2018-09-20 | 2023-01-03 | Magna Closures (Kunshan) Co. Ltd. | Closure latch assembly with a power release mechanism and motor control system |
EP3956533B1 (de) * | 2019-04-19 | 2024-07-03 | Inteva Products, LLC | Dienstübersteuerung für ein verriegelungssystem mit elektrischer lösung |
-
2019
- 2019-08-07 DE DE102019121300.2A patent/DE102019121300A1/de active Pending
-
2020
- 2020-07-28 US US17/632,933 patent/US20220290469A1/en active Pending
- 2020-07-28 WO PCT/DE2020/100673 patent/WO2021023341A1/de unknown
- 2020-07-28 EP EP20754164.0A patent/EP4010552A1/de active Pending
- 2020-07-28 CN CN202080070083.5A patent/CN114555899B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN114555899A (zh) | 2022-05-27 |
CN114555899B (zh) | 2023-09-29 |
WO2021023341A1 (de) | 2021-02-11 |
US20220290469A1 (en) | 2022-09-15 |
DE102019121300A1 (de) | 2021-02-11 |
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