EP4399378A1 - Kraftfahrzeug-schloss - Google Patents
Kraftfahrzeug-schlossInfo
- Publication number
- EP4399378A1 EP4399378A1 EP22761388.2A EP22761388A EP4399378A1 EP 4399378 A1 EP4399378 A1 EP 4399378A1 EP 22761388 A EP22761388 A EP 22761388A EP 4399378 A1 EP4399378 A1 EP 4399378A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor vehicle
- emergency
- locking mechanism
- lock
- bushing
- 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
- E05B81/02—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
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/34—Protection against weather or dirt, e.g. against water ingress
-
- 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
- E05B81/24—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
-
- 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
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
- E05B85/02—Lock casings
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, also with an electric motor drive at least for opening the locking mechanism, and with an emergency actuating element for emergency opening of the locking mechanism that can be actuated manually, the emergency actuating element being outside of a Lock housing is arranged and works with the interposition of at least one transmission element on the locking mechanism for emergency opening.
- Motor vehicle locks and in particular motor vehicle door locks are nowadays, and increasingly for reasons of comfort, equipped with the electric motor drive, at least for opening the locking mechanism.
- motor vehicle locks are also referred to as electric locks.
- the locking mechanism is consequently not mechanically coupled to an outside door handle, for example, as a rule. Rather, actuation of the outside door handle leads to a sensor actuation, which in turn is used via a control unit to act upon the electromotive drive, which in turn opens the locking mechanism.
- the electric motor drive usually works on a release lever, directly or indirectly. Using the release lever, the pawl is usually lifted from its latching engagement with the catch in the closed state of the locking mechanism. This causes one previously caught by the rotary trap locking bolt free. The associated motor vehicle door can be opened accordingly.
- DE 10 2019 127 109 A1 describes a motor vehicle lock with emergency actuation, in which the electromotive drive is equipped with an emergency energy source for emergency actuation of the lever chain.
- the lever chain has an emergency operating lever, which has no function in its normal position and is transferred at least into its operating position, which closes the emergency operating lever chain, with the aid of the drive for emergency operation.
- This is intended to provide a simple and cost-effective emergency actuation of the lever chain.
- the design effort due to the electric motor drive and the emergency energy source is not insignificant.
- the procedure is such that an actuating lever chain for emergency opening of the locking mechanism is implemented in a motor vehicle door lock.
- an actuating element that blocks the actuating lever chain directly or indirectly during normal operation and releases it for emergency opening.
- the actuator is equipped with an electric motor with an output element.
- the actuating element can selectively block or release a flexible connecting element for coupling the actuating lever chain to a handle.
- an additional electric motor drive is ultimately implemented in connection with an actuating lever chain for emergency actuation, which corresponds to an increased outlay in terms of design.
- a lock cylinder is provided and implemented as an emergency actuation element outside of a lock housing.
- the locking mechanism can be opened in an emergency as an alternative to an electric motor drive.
- the locking cylinder is coupled to the release lever via a connecting rod.
- 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, taking into account a simple, functional and cost-effective design, long-term functionality is ensured even over long periods of time.
- the invention proposes in a generic motor vehicle lock and in particular motor vehicle door lock that the emergency operating element in conjunction with the Transmission element is coupled to a release lever with the interposition of at least one implementation in the lock housing.
- the leadthrough in the lock housing can be designed and implemented in itself in such a way that neither dirt nor moisture can penetrate into the lock housing. This applies all the more to an advantageous embodiment of the invention, in which the bushing has at least one seal. In addition, it has proven to be particularly favorable in this context if the bushing is arranged in a dry room housing part of the lock housing. It is also advantageous if the emergency actuation element reaches through the bushing at least partially.
- a particularly preferred variant of the invention provides that the lock housing is divided into a dry room housing part and a wet room housing part.
- the locking mechanism is located in the wet room housing part, whereas the electric motor drive is arranged in the dry room housing part of the lock housing.
- the release lever typically acted upon by the electric motor drive for motorized opening of the locking mechanism can be designed in two parts as a result of this specific design, with a lever part of the release lever being arranged in the dry chamber housing part of the lock housing and interacting here with the electric motor drive.
- Another second lever part of the release lever is found in contrast in the wet room housing part of the lock housing and works directly or indirectly on the pawl to lift this to open the locking mechanism from its engagement with the rotary latch.
- Both lever parts are coupled to one another in a rotationally fixed manner and usually reach through one Rotary joint with seal that separates the dry room housing part of the lock housing from the wet room housing part and provides a seal against dust, moisture, etc.
- the dry room housing part of the lock housing is already protected from dirt and penetrating moisture due to the design.
- the emergency actuation element is coupled to the release lever in connection with the transmission element with the interposition of the passage in the lock housing, with the passage being located in the dry room housing part of the lock housing in question.
- the emergency actuation element can work with the interposition of the transmission element on the lever part of the release lever, which is located in the dry space housing part of the lock housing.
- the emergency actuation element including the transmission element, works via the likewise sealed passage in the lock housing on the release lever or the lever part of the release lever in the dry room housing part of the lock housing, resulting in a hermetically sealed design in particular of the dry room housing part of the lock housing.
- the electric motor drive is located in the relevant dry room housing part of the lock housing, its function is not impaired even over long periods of time. This applies even if individual or all transmission gears, worm gears, etc. as part of the electromotive Drive are made entirely or partially of plastic.
- moisture kept away from the dry room housing part of the lock housing cannot endanger the permanent function of the electric motor located here as a further component of the electric motor drive, even over long periods of time.
- the dry room housing part and the wet room housing part of the lock housing are defined on the one hand in a housing shell and on the other hand in a housing cover, each made of plastic, and are separated from one another by a partition wall, which generally only has the previously described rotary feedthrough, through which the two lever parts of the release lever are non-rotatable and are tightly coupled to each other. This is where the main advantages can be seen.
- the bushing in the lock housing is designed as a rotary/sliding bushing. That is to say, the emergency actuation element can work on the release lever with the interposition of the transmission element, specifically in a rotating and/or pushing manner. Because the implementation allows both a rotary movement in this context and a sliding movement. Combined rotary and sliding movements are also possible for emergency actuation or for emergency opening of the locking mechanism and are included in the invention.
- the transmission element can be connected to the release lever in question.
- the transmission element is molded onto the release lever and both one Form a unit or a one-piece component.
- the transmission element is designed as a transmission lever mounted in or on the lock housing.
- the transmission element may be designed as a linearly displaceable slide mounted in the lock housing, which acts on the release lever for emergency opening of the locking mechanism when it is acted upon by means of the emergency actuation element.
- the transmission lever in question can also be mounted on the outside of the lock housing.
- the design is usually such that the transmission lever reaches through the bushing in the lock housing.
- a comparable sealed rotary leadthrough can be realized as in the case of the release lever, the two lever parts of which provide a non-rotatable coupling through the partition wall between the dry room housing part and the wet room housing part of the lock housing.
- the emergency actuation element as such can be a rigid element which is designed, for example, as a pin or slide.
- the emergency actuation element can also be designed to be flexible.
- the emergency actuation element is, by way of example and not by way of limitation, a rope or a Bowden cable.
- the two variants mentioned above can also be combined with one another.
- the emergency operating element is formed and has a rigid component in the form of a pin or slide moreover, via a flexible component in the form of a rope or a Bowden cable.
- a motor vehicle lock and in particular a motor vehicle door lock is made available, which works reliably and durably and provides a simply constructed and cost-effective emergency actuation.
- the emergency actuation uses an emergency actuation element arranged outside of the lock housing, which is located, for example, behind a cover of a door trim panel, an exterior mirror, etc., and can easily be actuated manually by a user if the electric motor drive fails. Since the emergency actuation element works on the transmission element and thus the locking mechanism for emergency opening and is coupled to the transmission element in question with the interposition of the at least one passage in the lock housing, perfect sealing of the lock housing can be realized and implemented. This applies in particular to the dry room housing part of the lock housing, in which the electric motor drive and at least one lever part of the release lever are located. This is where the main advantages can be seen.
- FIG. 1 shows the motor vehicle lock according to the invention in a schematic top view as part of a first variant with the housing cover removed, Fig. 2 another second embodiment in comparable
- FIG. 3A and 3B a third embodiment in different views
- a motor vehicle lock is shown, which is not limited to a motor vehicle door lock.
- the motor vehicle lock or motor vehicle door lock has a locking mechanism 1 , 2 consisting essentially of a rotary latch 1 and a pawl 2 , which are only indicated in FIG. 1 .
- the basic structure includes an electric motor drive 3, 4, which works on a release lever 5, which in turn lifts the pawl 2 from its latching engagement with the catch 1 in the closed state of the locking mechanism 1, 2.
- the electric motor drive 3, 4 is composed essentially of an electric motor 3 and a drive wheel 4 or gear wheel driven by the electric motor 3 on the output side.
- the drive wheel 4 has a three-dimensional, helical contour on its surface facing the release lever 5 .
- rotations of the drive wheel 4 cause the contour of the release lever 5 lying thereon to rotate about its axis 6 to open the Locking mechanism 1, 2 is pivoted, specifically in the counterclockwise direction indicated in FIG.
- the pawl 2 is lifted from its latching engagement with the rotary latch 1 in the closed state of the locking mechanism 1, 2 and a locking bolt previously caught by the rotary latch 1 is released.
- the motor vehicle door which belongs to the motor vehicle door lock and is not shown, is opened by an electric motor as a result.
- a control unit that acts on the electric motor 3 and is not expressly shown is generally provided, which in turn queries a sensor.
- the sensor can be a switch on an outside door handle. If the outside door handle is actuated, the actuation of the switch ensures that the control unit interprets this as an opening signal and accordingly actuates the electric motor 3 in such a way that it causes the drive wheel 4 to rotate in such a way that the release lever 5 - as described - in the in the Fig. 1 is pivoted counterclockwise indicated. Of course, this only applies as an example. Because the electrical opening or electromotive opening of the locking mechanism 1, 2 can also be carried out without sensors, for example following a question/answer dialogue of the control unit with a user-side identification element.
- the motor vehicle door lock shown is accommodated overall in a lock housing 7, 8, 9 and housed in the lock housing 7, 8, 9 in question.
- the lock housing 7, 8, 9 has a housing shell 7 and a housing cover 9, which can be seen in particular in FIG. 3B.
- the housing shell 7 and the housing cover 9 are separated by a partition wall 8 separated from each other.
- the housing shell 7 in connection with the partition 8 define a wet room housing part 7, 8.
- a dry room housing part 8, 9 of the lock housing 7, 8, 9 can also be seen, which is defined and described by the partition 8 in connection with the housing cover 9 .
- the locking mechanism 1 , 2 is predominantly arranged in the wet room housing part 7 , 8 .
- the wet room housing part 7, 8 of the lock housing 7, 8, 9 is not protected against environmental influences and moisture because an inlet mouth is implemented at this point, into which the locking bolt (not shown) enters to interact with the rotary latch 1 of the locking mechanism 1, 2.
- the dry room housing part 8, 9 of the lock housing 7, 8, 9 is practically hermetically sealed against such environmental influences. This can be attributed to the fact that the release lever 5 has a lever part in the dry room housing part 8, 9, which can be seen in FIG. This lever part is non-rotatably coupled to another lever part of the release lever 5 in the wet room housing part 7 , 8 .
- the release lever 5 reaches through a sealed rotary feedthrough 10 in the partition 8, which is the only connection between the wet room housing part 7, 8 and the dry room housing part 8, 9 of the lock housing 7, 8, 9 and is therefore sealed. This prevents any moisture or dust penetrating into the wet room housing part 7 , 8 from being able to penetrate into the dry room housing part 8 , 9 .
- the electric motor drive 3, 4 in particular is permanently protected from environmental influences and its functional reliability is also made available over long time scales.
- the basic structure of the motor vehicle door lock according to the invention then also includes an emergency actuation element 11 that can be acted upon manually.
- the emergency actuating element 11 is at least partially arranged outside of the lock housing 7, 8, 9, as can be seen from the different exemplary embodiments in FIGS.
- the emergency actuation element 11 works with the interposition of at least one transmission element 12 on the locking mechanism 1, 2 for emergency opening.
- the transmission element 12 is one that is connected to the release lever 5 .
- the design is such that the transmission element 12 and the release lever 5 define a one-piece component 5, 12.
- the transmission element 12 of the variant according to FIG. uses a transmission lever mounted on the outside of the lock housing 7, 8, 9 as the transmission element 12.
- the exemplary embodiment according to FIGS. 4A and 4B proceeds in a comparable manner.
- the emergency actuation element 11 is coupled to the release lever 5 in connection with the transmission element 12 with the interposition of at least one bushing 13 in the lock housing 7 , 8 , 9 .
- the procedure can be such that the emergency actuation element 11 at least partially reaches through the passage 13 in question, as is shown in FIGS.
- the bushing 13 is with or without
- the seal is designed in such a way that a tight seal of the lock housing 7, 8, 9 in the area of the implementation 13 is observed.
- the bushing 13 can also have an additional and separate seal 14, as is observed in the exemplary embodiment according to FIGS. 3A and 3B.
- the bushing 13 is arranged in the dry room housing part 8, 9 of the lock housing 7, 8, 9. As a result, neither dust nor moisture can penetrate into the dry chamber housing part 8, 9 of the lock housing 7, 8, 9 via the bushing 13.
- the bushing 13 can be a sliding bushing, as shown in the exemplary embodiment according to FIGS. In principle, however, a rotary feedthrough is also conceivable as a feedthrough 13 at this point, as is shown in FIGS. 3A, 3B, 4A, 4B. Combinations of a rotating/sliding bushing are also possible in this context.
- the transmission element 12 is designed as a transmission lever mounted on the outside of the lock housing 7, 8, 9, the procedure in accordance with the exemplary embodiments in FIGS.
- the transmission lever or the transmission element 12 can be coupled on the output side and outside of the lock housing 7, 8, 9 with the emergency actuation element 11 in order to act on it.
- the emergency actuation element 11 can in turn be designed rigidly, for example as a pin or slide, as shown in FIG.
- the emergency actuation element 11 is designed flexibly as a cable or Bowden cable, for example, as is shown in detail in the exemplary embodiments of FIGS. 2, 3A, 3B and 4A, 4B.
- the emergency actuation element 11 can be acted upon manually as a whole.
- the emergency actuation element 11 may be present behind a panel and becomes accessible after partial detachment of this panel.
- the cladding can be an inner cladding of a door, an outer cladding, a cladding of an exterior mirror, etc., as long as it is ensured that if the electric motor drive 3, 4 fails, the manually actuable emergency operating element 11 is accessible and can be used by a user to open the door in an emergency Locking mechanism 1, 2 can be applied.
Landscapes
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021123251.1A DE102021123251A1 (de) | 2021-09-08 | 2021-09-08 | Kraftfahrzeug-Schloss |
| PCT/DE2022/100618 WO2023036362A1 (de) | 2021-09-08 | 2022-08-19 | Kraftfahrzeug-schloss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4399378A1 true EP4399378A1 (de) | 2024-07-17 |
Family
ID=83149589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22761388.2A Pending EP4399378A1 (de) | 2021-09-08 | 2022-08-19 | Kraftfahrzeug-schloss |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12601206B2 (de) |
| EP (1) | EP4399378A1 (de) |
| JP (1) | JP2024533336A (de) |
| DE (1) | DE102021123251A1 (de) |
| WO (1) | WO2023036362A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021123331A1 (de) * | 2021-09-09 | 2023-03-09 | Kiekert Aktiengesellschaft | Antriebseinheit für Kraftfahrzeug-Technische-Anwendungen |
| DE102024118148A1 (de) * | 2024-06-27 | 2025-12-31 | Kiekert Aktiengesellschaft | Notbetätigungseinrichtung für ein Kraftfahrzeug-Schloss |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4425423C1 (de) | 1994-07-19 | 1995-08-24 | Ymos Ag Ind Produkte | Entriegelungsvorrichtung für einen Kraftfahrzeugtürverschluß |
| WO1999000572A1 (en) * | 1997-06-26 | 1999-01-07 | Hyun Gyu Cho | Electric door latch and locking system of automobiles |
| DE10220732A1 (de) | 2002-05-08 | 2003-12-24 | Brose Schliesssysteme Gmbh | Kraftfahrzeug-Türschloß oder -Klappenschloß |
| JP2009228306A (ja) * | 2008-03-24 | 2009-10-08 | Aisin Kiko Co Ltd | 電動式ドアラッチ装置 |
| WO2010122887A1 (ja) * | 2009-04-23 | 2010-10-28 | アイシン精機株式会社 | 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 |
| DE102011012369A1 (de) * | 2010-02-24 | 2011-08-25 | Magna Closures S.P.A. | Türriegel mit Notfallverriegelungsaktuator |
| DE102013007403A1 (de) | 2013-04-30 | 2014-10-30 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Kraftfahrzeugschloss |
| US10054969B2 (en) | 2015-09-08 | 2018-08-21 | Texas Instruments Incorporated | Monolithic reference architecture with burst mode support |
| DE102015225603A1 (de) * | 2015-12-17 | 2017-06-22 | Volkswagen Aktiengesellschaft | Schließeinrichtung für eine Tür, Türanordnung |
| JP6613506B2 (ja) * | 2016-03-16 | 2019-12-04 | 三井金属アクト株式会社 | 車両用ドア開閉装置 |
| US11072949B2 (en) * | 2016-09-23 | 2021-07-27 | Strattec Security Corporation | Powered latch mechanism with manual release |
| US11421454B2 (en) * | 2017-06-07 | 2022-08-23 | Magna Closures Inc. | Closure latch assembly with latch mechanism and outside release mechanism having reset device |
| DE102017124518A1 (de) | 2017-10-20 | 2019-04-25 | Kiekert Ag | Kraftfahrzeugtürschloss |
| DE102017124525A1 (de) * | 2017-10-20 | 2019-04-25 | Kiekert Ag | Kraftfahrzeugtürschloss |
| US11280120B2 (en) * | 2017-11-09 | 2022-03-22 | Magna Closures Inc. | Latch assembly for motor vehicle closure system having power release mechanism with mechanical release and reset feature |
| DE102019127109A1 (de) | 2019-10-09 | 2021-04-15 | Kiekert Aktiengesellschaft | Kraftfahrzeugschloss, insbesondere Kraftfahrzeugtürschloss |
| JP7341857B2 (ja) * | 2019-10-28 | 2023-09-11 | 株式会社ユーシン | ドアラッチ装置 |
| DE102021108162A1 (de) * | 2021-03-31 | 2022-10-06 | Kiekert Aktiengesellschaft | Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türverschluss |
-
2021
- 2021-09-08 DE DE102021123251.1A patent/DE102021123251A1/de active Pending
-
2022
- 2022-08-19 EP EP22761388.2A patent/EP4399378A1/de active Pending
- 2022-08-19 WO PCT/DE2022/100618 patent/WO2023036362A1/de not_active Ceased
- 2022-08-19 JP JP2024515145A patent/JP2024533336A/ja active Pending
- 2022-08-19 US US18/689,227 patent/US12601206B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE102021123251A1 (de) | 2023-03-09 |
| US20240376752A1 (en) | 2024-11-14 |
| JP2024533336A (ja) | 2024-09-12 |
| US12601206B2 (en) | 2026-04-14 |
| WO2023036362A1 (de) | 2023-03-16 |
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