EP4551791A1 - Kraftfahrzeugschloss insbesondere kraftfahrzeug-türschloss - Google Patents
Kraftfahrzeugschloss insbesondere kraftfahrzeug-türschlossInfo
- Publication number
- EP4551791A1 EP4551791A1 EP23731941.3A EP23731941A EP4551791A1 EP 4551791 A1 EP4551791 A1 EP 4551791A1 EP 23731941 A EP23731941 A EP 23731941A EP 4551791 A1 EP4551791 A1 EP 4551791A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor vehicle
- lock
- housing
- lever chain
- operating 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
- E05B77/00—Vehicle locks characterised by special functions or purposes
- E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
- E05B77/04—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision
- E05B77/06—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision by means of inertial forces
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/0056—Locks with adjustable or exchangeable lock parts
-
- 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
- E05B79/02—Mounting of vehicle locks or parts thereof
-
- 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
- E05B79/02—Mounting of vehicle locks or parts thereof
- E05B79/08—Mounting of individual lock elements in the lock, e.g. levers
-
- 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
- E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
- E05B83/36—Locks for passenger or like doors
-
- 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
- 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 a locking mechanism consisting essentially of a rotary latch and a pawl, furthermore with an actuating lever chain for the locking mechanism, and with at least one functional unit driven by an electric motor, which is optionally and interchangeably accommodated in an associated lock housing becomes.
- Motor vehicle locks and in particular motor vehicle door locks are characterized by increasing complexity. This can be attributed to the fact that not only electric motor actuations are currently used in connection with the implementation of central locking or for electrical opening. Rather, such electric motor drives are increasingly being used in conjunction with a security unit, for example a child lock unit, an anti-theft device, etc. Mass inertia elements also have such an electric motor drive, with the help of which, for example, a movement of the mass inertia element can be blocked. This is the subject of DE 10 2020 102 084 A1, for example, and is due to the fact of improving overall security.
- the design is such that the drive with the electric motor works either on the locking mechanism and/or a locking element.
- the interaction takes place via at least one replaceable intermediate element.
- the intermediate element is a locking intermediate element, an opening intermediate element or a closing intermediate element.
- a functional unit driven by an electric motor in the form of a safety unit is designed as a retrofit module that can be connected, if necessary, to a base module that largely includes the locking mechanism, the operating lever chain and a locking unit.
- the retrofit module has a retrofit module housing, which is designed to be plugged onto an associated base module housing.
- both housings are equipped with corresponding centering devices.
- the security unit is typically one Anti-theft device, which generally prevents a motor vehicle door equipped with the corresponding motor vehicle lock from being opened from the inside in an unauthorized manner after a window has been damaged or destroyed. Such an anti-theft device is also unnecessary.
- 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 the possible variations are increased compared to the previous state of the art and there is the possibility of factory equipment in a production line.
- the invention proposes in a generic motor vehicle lock and in particular motor vehicle door lock that the functional unit acts as an opening drive and/or active Mass inertia element is formed.
- the term element should not only be understood as a single part (element), but it can also be a functional unit or a module with the function of a mass inertia lock / crash lock.
- the functional unit can represent an electrical opening, a mass inertia locking function or both.
- the mass inertia locking function can be understood to mean, in particular, at least one function of the active mass inertia element (unit). This can at least involve engaging or disengaging a coupling element or blocking element. Alternatively or additionally, a TCR function can also be achieved.
- the opening drive in particular the electric motor of the opening drive
- the drive unit in particular the electric motor
- the lock in particular the lock housing
- an electric motor can be used for the opening function and one or more additional motors for the other functions.
- the operating lever chain is designed either as an internal operating lever chain, an external operating lever chain or a combined internal/external operating lever chain.
- at least the external operating lever chain is designed to be modular and is either accommodated in the lock housing or not.
- this external operation is a sensor assigned to an external door handle, with the help of which the external operation of the external door handle is queried and reported to a control unit, which in turn energizes the electric motor as part of the opening drive to the locking mechanism and thus an associated motor vehicle -Be able to open the door.
- the housing or lock housing that accommodates the entire motor vehicle lock or motor vehicle door lock is advantageously equipped with stops, bearing points, receptacles, etc. for all variants.
- the lock housing is designed as a plastic injection molded part and is therefore produced by a plastic injection molding process. This allows the stops, bearing points and receptacles to be integrated in one piece with the lock housing realize in one move.
- the stops, bearing points, holders, etc. can be easily and automatically integrated into the production process for the lock housing.
- the design can be made in such a way that the lock housing is routinely equipped with the stops, bearing points, receptacles, etc. in question for all variants, so ultimately only one variant is available for the lock housing and with the elements of the motor vehicle during the production process - Castle is equipped. This simplifies storage and makes production easier.
- the stops can be those for the locking mechanism, individual levers of the operating lever chain or even those for one or more electric motors.
- bearing pins molded onto the lock housing are used as bearing points, which can be used to support individual levers of the operating lever chain.
- the bearing points can in principle also be bearing mandrels for the rotary latch and the pawl, which are typically defined in a metallic lock case as a further component of the lock housing in addition to a plastic hood.
- the previously mentioned receptacles provided in the lock housing may serve for the placement and alignment of the relevant electric motor or drive wheels as components of a transmission connected downstream of the respective electric motor.
- all of these stops, bearing points, recordings, etc. can be implemented in the lock housing, for all variants.
- the functional unit can be equipped with its own functional housing.
- This functional housing is detachably accommodated in the lock housing as a removable insert.
- the functional housing can function and be designed, for example, to accommodate the opening drive, alternatively to accommodate the active mass inertia element or to accommodate both the functional unit and the active mass inertia element.
- the functional unit in question and thus the interchangeable insert do not need to be mounted in the lock housing at all if a very simply constructed motor vehicle lock is to be implemented without an opening drive and an active mass inertia element.
- the functional housing is in turn and advantageously designed as a plastic injection molded part.
- the functional housing has, comparable to the lock housing, stops, bearing points, receptacles, etc. for the one or more functional units accommodated therein.
- the one or more receptacles can each be used for the electric motor as part of the opening drive or the active mass inertia element.
- a bearing point for example, a worm wheel can be stored inside the functional housing as part of the opening drive.
- Associated stops ensure that, in this example, the opening drive can only be moved within certain limits.
- the functional housing can be locked, clipped or clipped into the lock housing, for example otherwise detachably connected.
- a screw connection between the functional housing and the lock housing is also conceivable.
- the active mass inertia element is preferably one which can be blocked or released in terms of its movement using the associated electric motor, as is described in detail in the already referenced prior art according to DE 10 2020 102 084 A1.
- This safety function known as TCR (Temporary Crash Redundancy), can increase crash safety, particularly in connection with an active mass lock or the active mass inertia element.
- the active mass inertia element serves to block the external actuation so that the lock is not unintentionally unlocked or opened.
- the TCR makes it possible for the vehicle to be accessible from the outside again after the crash (the door or flap can be opened using the handle). It is advantageous if the TCR function engages the external operating lever using an electric motor. This can be done particularly advantageously regardless of whether an anti-theft device, a central locking system or a mass crash barrier prevents external operation.
- this option gives you the option of coupling altogether an associated clutch lever as part of the actuating lever chain can not only be controlled with the help of the inertia element, but this is done with the help of the electric motor as part of the active inertia element.
- Active mass inertia elements are characterized in particular by the fact that the mechanical blockability of the mass inertia element, which is possible with the help of the electric motor, always enables safe decoupling or opening of the associated actuating lever chain. If the movement of the mass inertia element is blocked in this case, the actuating lever chain can be acted upon, for example from the outside door handle. As long as the mass inertia element remains in its initial position, the associated clutch lever generally remains disengaged and this does not trigger the locking mechanism. This definitely prevents the lock from opening.
- the external operating lever chain is advantageously designed to be modular.
- the external operating lever chain can be equipped with its own lever chain housing.
- the lever chain housing can be detachably accommodated in the lock housing as a removable insert, similar to the functional housing.
- the lever chain housing is advantageously designed as a plastic injection molded part and is equipped with stops, bearing points, receptacles, etc. for the levers of the external operating lever chain accommodated therein.
- the lever chain housing in question can advantageously be secured, clipped or otherwise releasably anchored in the lock housing.
- the invention also relates to a method for the optional production of a motor vehicle lock, as explained in more detail in claims 9 and 10.
- a motor vehicle lock and an associated process for its production are presented, which are characterized by a functional structure and the possibility of production on one and the same production line distinguish.
- This can be attributed to the fact that a large number of different design variants can be realized and implemented using practically one and the same lock housing. This was previously not thought possible in this consistency and form, so overall production and cost advantages are being observed.
- the use of one and the same lock housing enables the use of a large number of identical parts for the different variants, with individual variants requiring their own parts for their implementation. This is where the main advantages can be seen.
- Fig. 1 shows a motor vehicle lock according to the invention with an active mass inertia element
- Fig. 2 shows a motor vehicle lock according to the invention with the built-in opening drive.
- the figures show a motor vehicle lock, which is a motor vehicle door lock.
- this has a locking mechanism 1, 2 essentially consisting of a rotary latch 1 and a pawl 2.
- the rotary latch 1 and the pawl 2 are stored in a lock case 3.
- the lock case 3, in conjunction with a hood 4, defines a total lock housing 3, 4.
- the lock case 3 is made of metal, for example from high-strength steel
- the hood 4 is a plastic injection molded part.
- the hood 4 and the lock housing 3, 4 as a whole can be equipped with stops 5, bearing points 6 and receptacles 7, which are indicated only as examples and which are shown in the figures as examples and only occasionally with reference numbers.
- the stops 5, bearing points 6 and recordings 7 in question are in the relevant hood 4 made of plastic and thus the lock housing 3, 4 is defined, namely for all variants to be discussed below, as shown and reproduced in FIGS. 1 and 2.
- the motor vehicle lock and in particular the motor vehicle door lock which will be described in more detail below, has one and the same lock housing 3, 4, regardless of the functions implemented and thus the variant implemented. This makes production and storage easier.
- the lock housing 3, 4 is equipped with an operating lever chain 9, 10, 11, 12 for the locking mechanism 1, 2.
- the operating lever chain 9, 10, 11, 12 has a release lever 9, a control lever 10, an internal operating lever 11 and finally a clutch lever 12.
- the release lever 9 and the internal operating lever 11 are mounted on the same axis in relation to a common axis A.
- the clutch lever 12 acting on the internal operating lever 11 in a clockwise direction around the axis 14 results in the internal operating lever 11 being non-rotatably coupled to the release lever 9 and in this way the clockwise movement is also transmitted clockwise to the release lever 9, which thereby moves the pawl 2 can lift off from its locking engagement with the rotary latch 1.
- the rotary latch 1, the pawl 2, the release lever 9, the control lever 10, the internal operating lever 11 and also the clutch lever 12 are implemented in the context of both variants according to FIGS. 1 and 2. The same applies to the stops 5, bearing points 6 and recordings 7.
- an active mass inertia element 8, 13 is now additionally implemented, which is only used in this variant shown in FIG. 1 and is otherwise not reflected in the illustration according to FIG.
- the mass inertia element 8, 13 consists of a mass inertia lever 8 and an associated one Electric motor 13 together, which is only indicated in FIG. 1 and may be accommodated in an associated receptacle 7 inside the lock housing 3, 4.
- the mass inertia lever 8 can be blocked or secured. This usually happens in the starting position of the mass inertia lever 8 indicated in FIG. 1. If the mass inertia lever 8 is blocked in the starting position shown in accordance with FIG dont move. This causes the clutch lever 12 to be deflected.
- Blocking the mass inertia lever 8 thus leads to a disengagement of the actuating lever chain 9, 10, 11, 12 because the clutch lever 12 is thereby deflected. This corresponds to an idle stroke of the operating lever chain 9, 10, 11, 12, because an associated action on the internal operating lever 12 is, for example, empty. If, on the other hand, the mass inertia lever 8 is not blocked by means of the electric motor 13, the clutch lever 12 can engage and the actuating lever chain 9, 10, 11, 12 can be closed mechanically in this way, so that the internal actuating lever 11 and the release lever 9 are then coupled to one another in a rotationally fixed manner and their joint action in a clockwise direction around the common axis A results in the locking mechanism 1, 2 being able to be opened as described. For this purpose, it is necessary, for example, for the mass inertia lever 8 to engage the clutch lever 12 in the event of a crash due to acting inertial forces and to close the actuating lever chain 9, 10, 11, 12 for emergency operation.
- the embodiment variant according to FIG. 2 has an opening drive 14, 15, 16.
- the opening drive 14, 15, 16 sets consists in detail of an electric motor 14 and an opening wheel 15 which is rotated by an output shaft of the electric motor 14.
- the opening wheel 15 in turn works on a transmission lever 16, which engages directly on the release lever 9 and, when acted upon accordingly, pivots the release lever 9 about its axis A in the counterclockwise direction in order to be able to open the locking mechanism 1, 2.
- the opening drive 14, 15, 16 defines a first functional unit 14, 15, 16 as shown in FIG. 2.
- the active mass inertia element 8, 13 defines a second functional unit 8, 13. It can be seen that in the variant of 1, the first functional unit or the opening drive 14, 15, 16 is not implemented, but the active mass inertia element 8, 13 or the second functional unit 8, 13 is accommodated in the lock housing 3, 4.
- the expansion state or the variant of the motor vehicle lock according to the invention is designed as shown in FIG. 2 in such a way that in this case the first functional unit or the opening drive 14, 15, 16 are provided in the lock housing 3, 4, whereas the second functional unit or the active mass inertia element 8, 13 is not reflected in this case.
- both equipment variants according to Figures 1 and 2 have a large number of identical parts, namely the locking mechanism 1, 2 and the operating lever chain 9, 10, 11, 12 in connection with the lock housing 3, 4. Only the functional units 14, 15, 16; 8, 13 are implemented differently and are present in the lock housing 3, 4. While the expansion variant according to FIG. 1 is equipped with the second functional unit or the mass inertia element 8, 13, the embodiment variant according to FIG. 2, in contrast, has the first functional unit or the opening drive 14, 15, 16.
- the operating lever chain 9, 10, 11, 12 can be designed either as an internal operating lever chain, an external operating lever chain or a combined internal/external operating lever chain.
- the operating lever chain 9, 10, 11, 12 is only designed as an internal operating lever chain 9, 10, 11, 12.
- An additional external actuation lever that is possible and can be implemented can be retrofitted in a modular manner.
- the external operating lever chain realized in this way can also be designed to be modular overall and can either be placed in the lock housing 3, 4 or not.
- the external operating lever chain which is modularly constructed according to the exemplary embodiment, in the form of the external operating lever that can also be plugged onto axis A in its own lever chain housing.
- This lever chain housing can also be used as a Interchangeable insert can be detachably accommodated in the lock housing 3, 4. However, this is also not shown in the exemplary embodiment.
- the motor vehicle lock according to the invention and in particular the motor vehicle door lock can be manufactured particularly easily and inexpensively. All that is required is to first equip the lock housing 3, 4, which is common to all variants, with the locking mechanism 1, 2 and then with the matching actuating lever chain 9, 10, 11, 12.
- the second functional unit or the active mass inertia element 8, 13 can then be placed inside the lock housing 3, 4, so that the embodiment variant according to FIG. 1 is then available.
- the first functional unit or the opening drive 14, 15, 16 can also be accommodated inside the lock housing 3, 4 without the mass inertia element 8, 13. Then the variant according to FIG. 2 is available.
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022117128.0A DE102022117128A1 (de) | 2022-07-08 | 2022-07-08 | Kraftfahrzeugschloss insbesondere Kraftfahrzeug-Türschloss |
| PCT/DE2023/100413 WO2024008227A1 (de) | 2022-07-08 | 2023-06-01 | Kraftfahrzeugschloss insbesondere kraftfahrzeug-türschloss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4551791A1 true EP4551791A1 (de) | 2025-05-14 |
Family
ID=86861722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23731941.3A Pending EP4551791A1 (de) | 2022-07-08 | 2023-06-01 | Kraftfahrzeugschloss insbesondere kraftfahrzeug-türschloss |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4551791A1 (de) |
| CN (1) | CN119497777A (de) |
| DE (1) | DE102022117128A1 (de) |
| WO (1) | WO2024008227A1 (de) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012017286A1 (de) | 2012-08-31 | 2014-03-06 | Kiekert Aktiengesellschaft | Kraftfahrzeugtürverschluss und Verfahren zum wahlweisen Betrieb eines solchen Kraftfahrzeugtürverschlusses mit oder ohne Sicherungsvorrichtung |
| US20150035300A1 (en) * | 2013-08-02 | 2015-02-05 | Kiekert Ag | Motor vehicle door lock |
| DE102014116885A1 (de) | 2014-11-18 | 2016-05-19 | Kiekert Aktiengesellschaft | Kraftfahrzeugtürverschluss |
| DE102017124518A1 (de) * | 2017-10-20 | 2019-04-25 | Kiekert Ag | Kraftfahrzeugtürschloss |
| US20210172211A1 (en) * | 2019-12-10 | 2021-06-10 | Brose Schließsysteme GmbH & Co. Kommanditgesellschaft, Wuppertal | Motor vehicle lock arrangement |
| DE102020102084A1 (de) | 2020-01-29 | 2021-07-29 | Kiekert Aktiengesellschaft | Kraftfahrzeugschloss |
| DE102020105304A1 (de) * | 2020-02-28 | 2021-09-02 | Kiekert Aktiengesellschaft | Kombination aus einem Kraftfahrzeug-Schloss und einer Zuzieh-/Öffnungseinrichtung |
| DE102021102593A1 (de) * | 2021-02-04 | 2022-08-04 | Kiekert Aktiengesellschaft | Kraftfahrzeug-Schloss |
-
2022
- 2022-07-08 DE DE102022117128.0A patent/DE102022117128A1/de active Pending
-
2023
- 2023-06-01 EP EP23731941.3A patent/EP4551791A1/de active Pending
- 2023-06-01 CN CN202380052474.8A patent/CN119497777A/zh active Pending
- 2023-06-01 WO PCT/DE2023/100413 patent/WO2024008227A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO2024008227A1 (de) | 2024-01-11 |
| DE102022117128A1 (de) | 2024-01-11 |
| CN119497777A (zh) | 2025-02-21 |
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