EP4097317A1 - Kraftfahrzeugschloss - Google Patents
KraftfahrzeugschlossInfo
- Publication number
- EP4097317A1 EP4097317A1 EP21701650.0A EP21701650A EP4097317A1 EP 4097317 A1 EP4097317 A1 EP 4097317A1 EP 21701650 A EP21701650 A EP 21701650A EP 4097317 A1 EP4097317 A1 EP 4097317A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lever
- motor vehicle
- vehicle lock
- lock
- inertia
- 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- Withdrawn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
- 230000033001 locomotion Effects 0.000 claims abstract description 40
- 230000008878 coupling Effects 0.000 claims abstract description 24
- 238000010168 coupling process Methods 0.000 claims abstract description 24
- 238000005859 coupling reaction Methods 0.000 claims abstract description 24
- 230000000903 blocking effect Effects 0.000 claims description 41
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
-
- 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
- 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
-
- 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
Definitions
- the invention relates to a lock for a motor vehicle, in particular a side door lock, comprising a locking mechanism with a rotary latch and at least one locking pawl, a release lever, the locked locking mechanism being unlockable by means of the release lever, an actuating lever, an actuating lever arranged between the actuating lever and the release lever Clutch lever, coupling of the clutch lever being controllable by means of a mass inertia element.
- a lock for a motor vehicle which is also called a locking system, is for the most part built in a locking mechanism consisting of a rotary latch and at least one pawl.
- the locking mechanism in the lock interacts with a lock holder that is either attached to the body of the motor vehicle or the door, flap, sliding door, etc.
- the relative movement between the lock holder and the rotary latch causes the rotary latch to pivot and, at the same time, the pawl engages the rotary latch.
- a release lever is used to unlock, that is, to release the pawl from the rotary latch.
- the release lever acts on the pawl in such a way that the pawl disengages from the rotary latch and the rotary latch moves from the latching position into an open position.
- the movement of the Drehfal le takes place here mostly by means of a spring element and / or due to a tensile load resulting from the lock holder in combination with the door seal.
- An operating lever is used to operate the release lever.
- the actuation lever can for example be an internal actuation lever or an external actuation lever. With the help of the operating lever, the release lever is moved and the lock is unlocked.
- the mass inertia elements counteract an external impulse and prevent, for example, a side door of a motor vehicle from being opened unintentionally.
- An impulse can be introduced into the vehicle, for example, by a collision. If, for example, in a side impact, an impulse is introduced into the motor vehicle in such a way that, for example, a door handle of a side door is accelerated, the deflection of the door handle can cause the actuating lever to be activated and the locking mechanism to open, causing it to become unintentional Opening the side door can come.
- locking systems based on mass inertia have become known, which counteract unintentional opening of a door lock.
- a motor vehicle door lock which is provided with an inertia lock.
- the motor vehicle lock comprises a locking arrangement which is equipped with a control lever and a clutch element.
- the coupling element is designed with a spring arrangement.
- DE 20 2012 007 312 U1 discloses a motor vehicle lock with an actuating lever and a clutch arrangement.
- the actuating Transmission lever cooperates with the clutch arrangement in such a way that the actuating lever in question disengages the engaged clutch assembly and leaves the disengaged clutch assembly in the disengaged state.
- the actuation lever executes an idle stroke because of the delayed engagement of the clutch arrangement due to inertia.
- an inertia-based actuation system for a release lever is known.
- the actuating lever cooperates with a clutch lever which is pivotably mounted on the release lever.
- a spring seated on the actuating lever engages the clutch lever and thus enables the clutch lever to engage when the actuating lever is actuated.
- the lock can be unlocked using the release lever.
- a locking lever is provided by means of which the clutch lever can be disengaged as well as in the event of an accident caused by inertia.
- a clutch lever is mounted on an operating lever and is spring-loaded in a position in which the clutch lever engages the release lever when the operating lever is operated.
- a locking lever acts on the coupling member so that the coupling member disengages from the release lever.
- the locking lever in turn, is spring-loaded against the release lever and can follow the movement of the actuating lever when the actuating lever is operated with a normal actuating lever. speed is operated.
- the control lever In the event of an accident and thus an excessive speed of the operating lever, the control lever cannot follow the movement of the operating lever due to the inertia element in engagement with the control lever and engages with the clutch lever.
- the control lever then causes the clutch lever to be deflected.
- the release mechanism for the lock can be locked by fixing the inertia element in the deflected state in which the control lever is in engagement with the clutch lever, so that the locking mechanism is not unlocked even if the actuating lever is operated again can.
- the safety systems known from the prior art are mostly based on the fact that the coupling member is controlled by means of a spring element.
- Spring elements can have strong fluctuations in the spring constants due to the material properties and the Fier ein method. A defined design of the springs therefore requires a great deal of effort.
- controlling by means of a spring element is always associated with uncertainties, since temperature fluctuations, for example, can also influence the spring properties.
- the object of the invention is to provide an improved lock for a motor vehicle.
- a lock for a motor vehicle comprising a locking mechanism with a rotary latch and at least one pawl, a release lever, the locked locking mechanism being unlockable by means of the release lever , an actuating lever, a coupling lever arranged between the actuating lever and the release lever, coupling of the coupling lever being controllable by means of a mass inertia element, and a movement of the mass inertia element being blockable.
- a secure decoupling of the operating lever chain can be made possible by mechanically blocking the mass inertia element.
- the actuating lever chain can be actuated from, for example, an outside door handle, a Bowden cable and an outside actuating lever, the retention of the inertia element is initialized in its starting position, but the coupling lever is disengaged so that the actuating lever is actuated but this does not trigger the locking mechanism.
- the inertia of the mass of the mass inertia lever counteracts the impulse and remains in its starting position.
- an impulse wave there is not a single pulse; rather, pulses that follow one another periodically decay and act on the motor vehicle lock and thus the inertia lever. It can therefore be spoken of as an impulse wave.
- the amplitudes of the pulse wave decrease over time, they have an effect on the inertia element.
- the occurrence of these impulse waves is also referred to as bouncing.
- the inertia lever mass is blocked in its movement according to the invention, preferably mechanically blocked. It a maximum of security is thus provided in the motor vehicle lock, on the one hand the inertia of the inertia lever is supplemented with the tel for blocking the inertia lever.
- the inertia lever counteracts the first or the first strong impulses, whereas blocking the inertia lever, albeit delayed, prevents the locking mechanism from opening due to the blocking of the movement of the inertia lever.
- the lock for a motor vehicle also includes those locks that are used, for example, in sliding doors, rear locks, side doors, flaps or covers, such as a convertible top hood.
- the lock usually comprises a locking mechanism consisting of a rotary latch and at least one pawl.
- the locking mechanism can be designed with a preliminary detent and / or a main detent, with one or two detent pawls being able to be used.
- a release lever is the lever that acts directly on the locking mechanism.
- the release lever acts on the pawl and releases the pawl from the A handle with the rotary latch.
- a clutch lever acts between the actuating lever and the release lever.
- the coupling lever comes into contact with the release lever and thus enables the release lever to be actuated, whereby the lock can be unlocked.
- the clutch lever is guided in a control curve so that a defined alignment of the clutch lever on the release lever is possible. On the one hand, the alignment of the coupling lever can be controlled, and the Auslenkungsverhal th of the coupling lever can also be adjusted by the course of the contour.
- the clutch lever is pivotably mounted in the actuating lever.
- the inclusion of the coupling lever in the actuating lever and in particular in the lecturbet decisivi transmission lever offers the advantage that a coupling of the actuating lever to the release lever is possible with a small number of components.
- the transmission of the movement from the actuating lever to the release lever is directly possible.
- the pivotable mounting of the clutch lever in the actuating lever enables the clutch lever to be mountable on the one hand in the actuating lever and, at the same time, to be guided through the control cam.
- the clutch lever can be guided by means of a control lever.
- the inclusion of the clutch lever or the guiding of the clutch lever in a control lever enables the control cam to follow the movements of the actuating lever.
- the control cam can thus be moved together with the actuating lever and in engagement with the clutch lever together with the clutch lever. From this arrangement it can be seen that the control lever can function as a control member when the control lever performs a movement relative to the actuating lever.
- the control lever follows the movement of the actuating lever through the engagement of a spring between the actuating lever and the control lever.
- the clutch lever is gela in the operating lever and follows the movement of the operating lever. If the actuating lever is moved in normal operation at a speed that can be assigned to the actuation, the control lever follows the movement of the actuating lever.
- the spring acting between the control lever and the actuating lever is designed in such a way that a corresponding movement takes place between the control lever and the actuating lever in normal operation.
- the inertia lever is used to hold the motor vehicle in motion when there is an impulse and thus to prevent the control lever from moving.
- the clutch lever is guided in the control curve in such a way that the clutch lever disengages from the release lever.
- the Massenträg unit lever counteracts that acting on the motor vehicle and blocks the movement of the control lever, as described above.
- the mass inertia lever is designed merely as a pivotably mounted lever, that is to say without a mass inertia function. According to the inven tion, the movement of the pivotably mounted Flebels, or the inertia lever, can be blocked.
- An advantageous embodiment of the invention results when a blocking element can be introduced into a movement path of the mass inertia element. If the mass inertia element and in particular the movement of the mass inertia element is hindered in movement by a blocking element, the movement of the clutch lever can be controlled by means of the mass inertia element.
- the blocking element can act directly on the mass inertia element, whereby the mass inertia element remains in its original position.
- the starting position of the mass inertia element is the position in which the mass inertia element is when the motor vehicle lock is in the inactivated state. From the starting position, the inertia element can ment to be moved into an actuation position.
- the inertia element When the actuating lever is operated normally, the inertia element is carried along via the coupling lever. Only in the case of a strong impulse, by accelerating the actuation lever strongly, does the inertia lever counteract the impulse and remain in the starting position. The blocking element holds the mass inertia element in the starting position.
- the Blockierele element is movable, that is, slidably or pivotably added in the motor vehicle lock.
- the blocking element can be moved into the movement path of the inertia element.
- the drive unit is preferably formed from an electric direct current motor and a gear stage.
- alternative drives such as a piezo actuator, can be used.
- the blocking element is arranged directly on the motor shaft, so that the blocking element is moved directly by the movement of the output shaft of the motor.
- a gear stage is preferably provided from a gear attached to the output shaft and an output gear, so that the movement of the blocking element can be adapted via the gear stage.
- the output gear can also be designed in one piece with the blocking element, so that at least one toothing is formed on the blocking element, into which a drive wheel of the electric motor engages.
- the electric drive unit is thus preferably formed from the electric motor, the drive pinion, the driven gear and the blocking element.
- the blocking element is pivotably mounted in the motor vehicle lock. Pivoting movements are structurally favorable to implement in the motor vehicle lock, since a pivotable mounting enables fast positioning times and at the same time is structurally simple to implement.
- the blocking element can have at least one stop surface for the inertia element, which can be moved against the inertia element by means of the pivoting or rotating movement of the blocking element. In a starting position and in the inactivated state of the electric drive, the inertia element can move freely. In the event of an accident, the electric drive is activated and wastes the blocking element or the stop of the blocking element against the inertia element. Thus, the movement of the mass inertia element is blocked and the unlocking of the locking mechanism can be interrupted by means of the actuating lever chain to unlock the locking mechanism.
- the blocking element is accommodated in the motor vehicle lock in a displaceable manner.
- the displaceable mounting of the blocking element can be advantageous, for example, when very little installation space is available in the motor vehicle lock and / or when the electric drive unit is arranged at a distance from the inertia element in the motor vehicle lock.
- blocking elements arranged to be pivotable or linearly moveable can alternatively be arranged in the motor vehicle lock.
- FIG. 1 shows a basic representation of a motor vehicle lock with the components essential for explaining the invention, the release lever chain or the motor vehicle lock being shown in an unactuated position, and FIG. 1
- FIG. 2 shows a side view of the release mechanism for unlocking the lock according to FIG. 1 in the event of excessive acceleration of the actuating lever, the clutch lever being shown in a steered position.
- FIG. 1 a side view of a motor vehicle lock 1 is reproduced.
- the lock 1 is only indicated as a dashed line.
- the motor vehicle lock 1 comprises an operating lever 2, a clutch lever 3, a control lever 4, a mass inertia element 5, a release lever 6 and a lock 7.
- the lock 7, only partially indicated, can for example consist of a pawl 7 on which the release lever 6 acts immediately.
- FIG. 1 shows the motor vehicle lock 1 in an unactuated state.
- the operating lever is operated, for example, by means of a Bowden cable in the direction of the arrow P1 in a clockwise direction.
- the clutch lever gela in the actuating lever 2 would be moved via its axis 9 mounted in the actuating lever.
- the clutch lever 3 in turn has a pin 10 with which the The clutch lever engages in a control cam 11 of the control lever 4.
- the actuating lever 2 When the actuating lever 2 is actuated in the direction of the arrow P1, the actuating lever 2 thus entrains the control lever 4.
- a spring element acts between the actuating lever 2 and the control lever 4.
- the spring element holds the control lever in its starting position, so that the spring element acts with a relative force between the control lever and the actuating lever 2 for a relative movement between the actuating lever and the control lever 4.
- the spring force of the spring element must therefore be overcome.
- the unactuated state of the motor vehicle lock 1 is shown in FIG of the arrow P2 in a clockwise movement of the release lever 6 around the axis 8.
- the release lever 6 By means of the release lever 6, the locking mechanism 7 is locked.
- the clutch lever 3 remains in its basic position and takes the control lever 4 with it via the pin 10.
- the control lever 4 is in turn connected by means of a pin to the inertia element 5, the pin in the control lever 4 pivoting the inertia element in the direction of arrow P3 counterclockwise.
- a blocking element 12 can be used.
- the blocking element 12 shown here comprises an electric motor 13, a drive wheel 14 and an output gear 15.
- a stop 16 is provided on the output gear 15, the stop 16 being movable against the inertia element 5 in the direction of the arrow P4 by means of the blocking element.
- the blocking element is thus equipped with a pivotably mounted stop 16. If the stop 16 rests against the inertia element 5, movement of the inertia element is prevented. If the inertia element 5 is blocked in the starting position, the control lever 4 connected to the inertia element 5 via the pin cannot move, which ultimately leads to a steering off of the clutch lever 5. The blocking of the inertia element 5 thus leads to a disengagement and an idle stroke of the actuating lever 2.
- FIG. 2 shows a further exemplary embodiment of a blocking element 17, the blocking element having an electric motor 18, a drive wheel 19 and a sliding element 20 in this exemplary embodiment.
- the sliding element 20 can be moved by means of the drive wheel 19 in the direction of arrow P4.
- a stop 21 with which the blocking element 17 can prevent the movement of the inertia element 5 is arranged on the sliding element 20.
- the stop 21 has moved in the direction of the mass inertia element 5 and rests on the mass inertia element 5.
- a deflection of the actuating lever 2 leads to the clutch lever 3 being deflected, as shown in FIG.
Landscapes
- Lock And Its Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020102084.8A DE102020102084A1 (de) | 2020-01-29 | 2020-01-29 | Kraftfahrzeugschloss |
| PCT/DE2021/100040 WO2021151424A1 (de) | 2020-01-29 | 2021-01-14 | Kraftfahrzeugschloss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4097317A1 true EP4097317A1 (de) | 2022-12-07 |
Family
ID=74235994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21701650.0A Withdrawn EP4097317A1 (de) | 2020-01-29 | 2021-01-14 | Kraftfahrzeugschloss |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4097317A1 (de) |
| DE (1) | DE102020102084A1 (de) |
| WO (1) | WO2021151424A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022113045A1 (de) * | 2022-05-24 | 2023-11-30 | Kiekert Aktiengesellschaft | Kraftfahrzeug-Schloss |
| DE102022117128A1 (de) | 2022-07-08 | 2024-01-11 | Kiekert Aktiengesellschaft | Kraftfahrzeugschloss insbesondere Kraftfahrzeug-Türschloss |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202012007312U1 (de) | 2012-07-31 | 2013-11-04 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Kraftfahrzeugschlossanordnung |
| DE202013104118U1 (de) | 2013-09-10 | 2014-12-15 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Kraftfahrzeugschloss |
| DE102014001490A1 (de) | 2014-01-28 | 2015-07-30 | Kiekert Aktiengesellschaft | Schloss für ein Kraftfahrzeug |
| DE102014002581A1 (de) | 2014-02-26 | 2015-08-27 | Kiekert Aktiengesellschaft | Kraftfahrzeugtürschloss |
| DE102016112182A1 (de) | 2016-07-04 | 2018-01-04 | Kiekert Ag | Schließeinrichtung für ein Kraftfahrzeug |
| DE102016121422A1 (de) * | 2016-11-09 | 2018-05-09 | Kiekert Ag | Schloss für ein Kraftfahrzeug |
-
2020
- 2020-01-29 DE DE102020102084.8A patent/DE102020102084A1/de active Pending
-
2021
- 2021-01-14 WO PCT/DE2021/100040 patent/WO2021151424A1/de not_active Ceased
- 2021-01-14 EP EP21701650.0A patent/EP4097317A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021151424A1 (de) | 2021-08-05 |
| DE102020102084A1 (de) | 2021-07-29 |
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