EP4555168A1 - Kraftfahrzeug-schloss - Google Patents
Kraftfahrzeug-schlossInfo
- Publication number
- EP4555168A1 EP4555168A1 EP23731510.6A EP23731510A EP4555168A1 EP 4555168 A1 EP4555168 A1 EP 4555168A1 EP 23731510 A EP23731510 A EP 23731510A EP 4555168 A1 EP4555168 A1 EP 4555168A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor vehicle
- door handle
- lever
- electric motor
- vehicle lock
- 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.)
- Withdrawn
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
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/22—Functions related to actuation of locks from the passenger compartment of the vehicle
- E05B77/24—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like
- E05B77/26—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like specially adapted for child safety
-
- 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
- E05B77/22—Functions related to actuation of locks from the passenger compartment of the vehicle
- E05B77/24—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like
- E05B77/28—Functions related to actuation of locks from the passenger compartment of the vehicle preventing use of an inner door handle, sill button, lock knob or the like for anti-theft purposes, e.g. double-locking or super-locking
- E05B77/287—Prevention or overriding of a super-lock condition, e.g. for preventing being trapped in the vehicle
-
- 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
- E05B81/12—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
- E05B81/32—Details of the actuator transmission
- E05B81/46—Clutches
-
- 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
- E05B85/10—Handles
- E05B85/12—Inner door handles
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, furthermore with an operating lever chain with an associated door handle and with an electric motor drive, and with a security unit, the electric motor drive acting on both the locking mechanism electrical opening as well as on the security unit and this (the security unit) is at least temporarily acted upon during the electrical opening.
- the motor vehicle lock is preferably a motor vehicle door lock, although the previously mentioned motor vehicle lock does not necessarily have to be used in connection with or on a motor vehicle door. In principle, other applications in or on the motor vehicle are also conceivable, for example in connection with a motor vehicle flap or the like. With such motor vehicle locks and in particular motor vehicle door locks, the aim is generally to equip the often used electric motor drive with several functions if possible. This can be attributed to the fact that electric motor drives are typically constructed in a cost-intensive manner.
- the prior art according to WO 2019/076399 A1 proceeds in such a way that the electric motor drive is equipped with a drive element which works directly or indirectly on the locking mechanism.
- the drive element interacts with at least one further element depending on the position, the further element being a coupling element of an additionally implemented mechanical actuation. lever chain. This already provides a compact, cost-effective and functional structure.
- the procedure is such that the unlocked safety unit is at least temporarily secured with the help of an actuating element which interacts with the electric motor drive. This happens in the opening direction of the electric motor drive. In the counter-opening direction of the drive, the safety unit is either moved to the secured or unlocked positions.
- the invention is based on the technical problem of further developing such a motor vehicle lock and in particular motor vehicle door lock in such a way that emergency operation is also possible and in particular a manual opening of an associated door or flap is made available.
- a generic motor vehicle lock and in particular a motor vehicle door lock within the scope of the invention is characterized in that the locking mechanism can be opened in addition to the electric motor drive by two-stroke actuation of the door handle, the two-stroke actuation being designed or . is ineffective.
- the motor vehicle lock described and in particular the motor vehicle door lock can typically and usually be opened by an electric motor or electrically.
- This is ensured by the electric motor drive, which for this purpose works directly or indirectly on the pawl as part of the locking mechanism.
- This causes the pawl to be lifted from its latching engagement with the rotary latch.
- the rotary latch usually opens with spring support and releases a previously caught locking bolt.
- the associated motor vehicle door can be opened.
- the motor vehicle lock according to the invention can now also be opened manually. This is done via a two-stroke actuation of the door handle, even if the electric motor drive has failed. This two-stroke actuation is typically carried out in the sense of a so-called “override”. This means that additional unlocking of the associated motor vehicle lock is generally not necessary.
- the two-stroke actuation takes place in such a way that a clutch or a coupling element is closed during a first stroke of the door handle, so that during a further second stroke of the door handle via the closed coupling element, the actuating lever chain, which is also closed, can be acted upon in such a way that the pawl is again released from its position latching engagement with the rotary latch is lifted.
- the locking mechanism can be opened manually, independently of the electric motor drive.
- the two-stroke actuation ensures that, for example, accidental and possibly unwanted loading of the door handle does not result in a door opening. Rather, manual door opening requires conscious and double actuation in the sense of two-stroke actuation.
- the two-stroke actuation occurs during electrical opening is designed. This means that the door handle can generally be acted upon during the electrical opening process, without the locking mechanism opening at this point and without it being possible to do so. Because the two-stroke operation cannot be implemented during the electrical opening process. The fact that the safety unit typically changes its state during electrical or electromotive opening also contributes to this is “secured”. As a result, the actuating lever chain is additionally interrupted and the previously mentioned coupling element cannot be transferred to its state closing the actuating lever chain.
- an at least two-part coupling element is arranged between the electric motor drive and the door handle.
- the procedure is usually such that the at least two-part clutch element is composed of a first clutch lever of the clutch element and a second clutch lever of the clutch element.
- the first clutch lever of the clutch element is usually connected directly or indirectly to the door handle. With an indirect connection to the door handle, the first coupling lever and the door handle in question could, for example, be coupled to one another in an articulated manner.
- a rigid or flexible connecting means is provided between the first clutch lever and the door handle.
- the flexible connecting means is usually a Bowden cable.
- the first clutch lever in question is indirectly connected to the door handle.
- the other second clutch lever of the the coupling element is connected to a transmission lever that interacts with the electric motor drive.
- both clutch levers are coupled or interact with one another via a control contour that moves along a guide track.
- the control contour can be provided on the second clutch lever, which is connected to the transmission lever.
- both clutch levers interact with one another via an additional third clutch lever.
- This third clutch lever is in turn connected to the second clutch lever, usually in an articulated manner.
- the design is also such that the transmission lever is equipped with at least a first and a second transmission contour.
- the first transmission contour is designed so that it acts on the second clutch lever.
- the second transmission contour of the transmission lever is acted upon by an actuating element.
- the actuating element in turn interacts with the electric motor drive, as will be explained in more detail below and with reference to the description of the figures.
- the (two-part) coupling element arranged between the electric motor drive and the door handle not only functions as a safety unit or represents a component thereof. But at the same time, with its help, the two-stroke actuation of the door handle can be set or inserted and laid out effectively and ineffectively .
- the electric motor drive is then still advantageous and is usually equipped with a one-way return spring. This return spring ensures that with its help the electric motor drive is moved back to its starting position, especially when reversing after an electric motor opening process.
- the operating lever chain is designed as an internal operating lever chain and the door handle is designed as an internal door handle.
- the motor vehicle lock according to the invention can be opened regularly electrically or by electric motor, both from the inside and from the outside.
- Mechanical redundancy is typically and advantageously only achieved via an internal actuation.
- Mechanical redundancy via internal actuation as well as external actuation is also possible. In all of these cases, however, this requires the previously described two-stroke actuation of the door handle in question.
- the overall procedure is such that an action on the door handle or an additionally provided external door handle for electrical opening initially and as is generally the case corresponds to the fact that a switch assigned to the door handle or external door handle or, in general, a sensor experiences an impact.
- the sensor actuation corresponds to the electric motor drive starting and the pawl lifting from its locking engagement with the rotary latch during the electrical opening.
- the safety unit is at least temporarily acted upon during the electrical opening and generally returns to its starting position after the electrical opening.
- the security unit If the security unit is in its functional state “unlocked” before the electrical opening, the security unit is at least temporarily transferred to its “secured” position during the electrical opening, which corresponds to an interrupted operating lever chain. This means that any pressure on the door handle during electrical opening is eliminated. After the electrical opening process has ended, the security unit returns to the original functional position “unlocked” following the temporary assumption of the “secured” position.
- the electric motor drive is usually reversed.
- a clutch that was inserted in connection with the operation of the door handle or any closed state of the clutch element is canceled. This means that the door handle is designed for two-stroke operation and the lock cannot be opened manually.
- the electric motor drive is reversed.
- the security unit is returned to the “unlocked” starting position described in the example.
- the coupling element is closed so that the lock can generally be opened after the electrical opening process has been completed using the two-stroke actuation of the door handle.
- the return spring assigned to the electric motor drive ensures that the electric motor drive is reversed beyond the starting position back towards the starting position.
- the electric motor drive is now back in its starting position. If the electric motor drive fails in this starting position, the locking mechanism can now be opened manually using the described two-stroke actuation of the door handle. This works regardless of the position of the security unit, whether it is “unsecured” or “secured”. Because with two-stroke actuation, the safety unit is, as it were, skipped by the “override”. This is where the main advantages can be seen.
- the invention is explained in more detail below using a drawing that only shows an exemplary embodiment; show it:
- Figures 1 to 8 show the motor vehicle lock in a first variant in different functional positions
- Figures 9 to 12 show another second variant, also in different functional positions.
- the figures show a motor vehicle lock which has a locking mechanism 1, 2 consisting of a rotary latch 1 and a pawl 2.
- the locking mechanism 1, 2 is only shown in its entirety in FIG. 1.
- an operating lever chain 3, 4, 5, 6, 7 is realized, which is designed as an internal operating lever chain 3, 4, 5, 6, 7 according to the exemplary embodiment.
- the operating lever chain 3, 4, 5, 6, 7 is composed of an operating lever or internal operating lever 3 and a door handle 7 which acts on the operating lever or internal operating lever 3, which according to the exemplary embodiment is an internal door handle 7.
- the actuating lever chain 3, 4, 5, 6, 7 includes a first clutch lever 4 and a second clutch lever 5.
- a further third clutch lever 6 is then implemented and provided, which in the exemplary embodiment according to Figures 8 to 12 there is no precipitation.
- Both variants have an electric motor drive 9, 10, 11 in common, which according to the exemplary embodiment is equipped with an electric motor 9, with the help of which a worm wheel 10 can be set in rotation. You can also see an actuation contour 11 on the worm wheel 10, which is in The framework of the exemplary embodiment serves to act on the release lever 8 and overall to ensure the electrical or electromotive opening of the locking mechanism 1, 2, as will be explained in more detail below.
- the further basic structure then also includes a safety unit 5, 6, which, according to the exemplary embodiment in Figures 1 to 8, is composed of the second clutch lever 5 and the third clutch lever 6.
- a safety unit 5, 6, which, according to the exemplary embodiment in Figures 1 to 8, is composed of the second clutch lever 5 and the third clutch lever 6.
- the function of the third clutch lever 6 is ultimately taken over by a control contour 12, which can be moved along a stationary guide track 13.
- the control contour 12 on the second clutch lever 5 and the stationary guide track 13 take over the alternative mode of operation of the safety unit 5, 6 or 12, 13.
- the overall design is such that the electric motor drive 9, 10, 11 is applied both to the locking mechanism 1, 2 for electrical opening and to the security unit 5, 6; 12, 13 works and the safety unit in question 5, 6; 12, 13 are at least temporarily acted upon during the electrical or electromotive opening.
- the locking mechanism 1, 2 can be opened in addition to the electric motor drive 9, 10, 11 by two-stroke actuation of the door handle 7.
- This two-stroke operation is designed or ineffective during electrical opening.
- the overall result is that, starting from the basic position as shown in FIG 4 is moved downwards in the right part of Fig. 1.
- the indirect connection is implemented via a Bowden cable, with the help of which the door handle 7 works on the first clutch lever 4.
- the door handle 7 can also be connected directly to the first clutch lever 4, although this is not shown.
- an electrical or electromotive opening process can now be understood.
- an external door handle not expressly shown in the exemplary embodiment, acts on a sensor or switch, which in turn is queried using a control unit, not shown.
- the sensor actuation causes the control unit to act on the electric motor 9, so that it acts on the worm wheel 10 in the counterclockwise direction during the transition from FIG. 1 to FIG. 2 in the middle illustration.
- the actuating contour 11 on the front of the worm wheel 10 moves against the release lever 8 and, via the release lever 8, ensures that the pawl 2 pivots clockwise during the transition from FIG. 1 to FIG. 2.
- the safety unit 5, 6 has “secured” starting from the position according to the Fig. 1 at least temporarily assumed its functional position “unlocked”. This can be attributed to the fact that the counterclockwise rotation of the worm wheel 10 for electromotive opening is accompanied by a pivoting movement of a transmission lever 14 in the counterclockwise direction during the transition from FIG. 1 via FIG. 2 to FIG. 3.
- the transmission lever 14 is equipped with a first transmission contour 14a and a second transmission contour 14b.
- the first transmission contour 14a acts on the second clutch lever 5.
- the worm wheel 10 is reversed during this transition. Because in Fig. 3 the pawl 2 is lifted from its engagement with the rotary latch 1 by an electric motor and the desired electrical opening occurs. Following this, the electric motor drive 9, 10, 11 is reversed. This corresponds to a pivoting movement of the worm wheel in the transition from FIG. 3 to FIG. 4 10 clockwise. At the same time, the actuation contour 11 leaves the release lever 8.
- the safety unit 5, 6 is in its temporary position “unlocked” or “child lock off”, as is also and quite fundamentally shown in FIG. 8, temporarily. Since at the same time the two-stroke actuation is designed during the electrical opening process, the locking mechanism 1, 2 cannot work on the locking mechanism 1, 2 manually by acting on the door handle 7 during this process of electrical or electromotive opening. This therefore remains unaffected.
- the first clutch lever 4 with its release contour 4a cannot be moved in the direction of the pawl 2 and is therefore unable to interact with the pawl 2 or to lift it from its engagement with the rotary latch 1. This is only possible by an “override” by overcoming the safety unit 5, 6 or the third clutch lever 6.
- the transmission lever 14 is equipped with at least the first transmission contour 14a and the second transmission contour 14b.
- the first transmission contour 14a acts on the second clutch lever 5, while the second transmission contour 14b acts on an actuating element 16 is applied.
- the actuating element 16 is designed to have several arms and is acted upon by a further contour, not expressly shown, on the back of the worm wheel 10 of the electric motor drive 9, 10, 11.
- FIGS. 9 to 12. This again shows the transmission lever 14 and the actuating element 16 working on the transmission lever 14.
- the transmission lever 14 works with the first transmission contour 14a on the second clutch lever 5.
- the second clutch lever 5 is equipped with the control contour 12, which interact with the stationary guide track 13 can or can be moved along the guide track 13.
- the first clutch lever 4 can be activated when the door handle 7 is acted upon via the actuating lever 3 work on the pawl 2 and lift it from its locking engagement with the rotary latch 1.
- the second clutch lever 5 rests on the side of the first clutch lever 4.
- the first clutch lever 4 can consequently fall in overall compared to the pawl 2 (following an electrical opening process), so that during the second stroke of the Door handle 7, the pawl 2 is ultimately lifted from its engagement with the rotary latch 1 and so that the locking mechanism 1, 2 is opened manually.
Landscapes
- Health & Medical Sciences (AREA)
- Child & Adolescent Psychology (AREA)
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022117167.1A DE102022117167A1 (de) | 2022-07-11 | 2022-07-11 | Kraftfahrzeug-Schloss |
| PCT/DE2023/100427 WO2024012622A1 (de) | 2022-07-11 | 2023-06-05 | Kraftfahrzeug-schloss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4555168A1 true EP4555168A1 (de) | 2025-05-21 |
Family
ID=86852095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23731510.6A Withdrawn EP4555168A1 (de) | 2022-07-11 | 2023-06-05 | Kraftfahrzeug-schloss |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20260002390A1 (de) |
| EP (1) | EP4555168A1 (de) |
| JP (1) | JP2025522037A (de) |
| KR (1) | KR20250034483A (de) |
| CN (1) | CN119546831A (de) |
| DE (1) | DE102022117167A1 (de) |
| WO (1) | WO2024012622A1 (de) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202011002154U1 (de) * | 2011-01-31 | 2012-05-02 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Kraftfahrzeugschlossanordnung |
| DE102011100834B4 (de) * | 2011-05-07 | 2015-06-18 | Audi Ag | Schlossvorrichtung für eine Fahrzeugtür und Verfahren zum Öffnen einer Schlossvorrichtung |
| US10450780B2 (en) * | 2016-05-02 | 2019-10-22 | Magna Closures, Inc. | Closure latch assembly for motor vehicle door having gear arrangement for double pull release |
| DE102017124520A1 (de) | 2017-10-20 | 2019-04-25 | Kiekert Ag | Kraftfahrzeugtürschloss |
| US11274478B2 (en) * | 2018-09-28 | 2022-03-15 | Inteva Products, Llc | Two-pull, automatic reset, latch system |
| DE102018125172A1 (de) * | 2018-10-11 | 2020-04-16 | Brose Schließsysteme GmbH & Co. Kommanditgesellschaft | Öffnungsmechanik für das Öffnen eines Kraftfahrzeugschlosses |
| DE102018125208A1 (de) * | 2018-10-11 | 2020-04-16 | Brose Schließsysteme GmbH & Co. Kommanditgesellschaft | Verfahren für den Betrieb einer Öffnungsmechanik |
| DE102019112470A1 (de) * | 2019-05-13 | 2020-11-19 | Kiekert Aktiengesellschaft | Kraftfahrzeugtürschloss |
| DE102019133654A1 (de) | 2019-12-10 | 2021-06-10 | Kiekert Aktiengesellschaft | Kraftfahrzeugschloss |
| US20220298835A1 (en) * | 2021-03-18 | 2022-09-22 | Magna Closures Inc. | Closure latch assembly equipped with child lock mechanism and power release mechanism having directional controlling actuation of the child lock mechanism |
| DE102021128868A1 (de) | 2021-11-05 | 2023-05-11 | Kiekert Aktiengesellschaft | Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss |
-
2022
- 2022-07-11 DE DE102022117167.1A patent/DE102022117167A1/de active Pending
-
2023
- 2023-06-05 EP EP23731510.6A patent/EP4555168A1/de not_active Withdrawn
- 2023-06-05 WO PCT/DE2023/100427 patent/WO2024012622A1/de not_active Ceased
- 2023-06-05 JP JP2025501328A patent/JP2025522037A/ja active Pending
- 2023-06-05 KR KR1020257004261A patent/KR20250034483A/ko active Pending
- 2023-06-05 CN CN202380053498.5A patent/CN119546831A/zh active Pending
- 2023-06-05 US US18/992,224 patent/US20260002390A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN119546831A (zh) | 2025-02-28 |
| JP2025522037A (ja) | 2025-07-10 |
| DE102022117167A1 (de) | 2024-01-11 |
| WO2024012622A1 (de) | 2024-01-18 |
| KR20250034483A (ko) | 2025-03-11 |
| US20260002390A1 (en) | 2026-01-01 |
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