EP4041971A1 - Serrure de véhicule automobile, en particulier une serrure de portière de véhicule automobile - Google Patents

Serrure de véhicule automobile, en particulier une serrure de portière de véhicule automobile

Info

Publication number
EP4041971A1
EP4041971A1 EP20792524.9A EP20792524A EP4041971A1 EP 4041971 A1 EP4041971 A1 EP 4041971A1 EP 20792524 A EP20792524 A EP 20792524A EP 4041971 A1 EP4041971 A1 EP 4041971A1
Authority
EP
European Patent Office
Prior art keywords
lever
control
motor vehicle
crash
actuating
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.)
Granted
Application number
EP20792524.9A
Other languages
German (de)
English (en)
Other versions
EP4041971B1 (fr
Inventor
Marek Dragon
Alexander Grossmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kiekert AG
Original Assignee
Kiekert AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kiekert AG filed Critical Kiekert AG
Publication of EP4041971A1 publication Critical patent/EP4041971A1/fr
Application granted granted Critical
Publication of EP4041971B1 publication Critical patent/EP4041971B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/36—Locks for passenger or like doors

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 pawl, furthermore with an actuating lever mechanism for triggering the locking mechanism, and with a crash unit, which activates the actuating lever mechanism and / or the locking mechanism, at least when deceleration forces of a predetermined magnitude and direction occur , for example in the event of an accident (crash) is ineffective, wherein the crash unit is equipped with at least one spring which acts on a lever.
  • the locking mechanism essentially consists of a rotary latch and a pawl. Then a so-called single lock is implemented. In principle, a multiple lock can also be provided. In this case, a rotary latch, a comfort pawl securing the rotary latch and a pawl for securing the comfort pawl are typically implemented. Alternatively, you can also work with an additional pre-locking pawl and the locking pawl. In all of these cases, deceleration forces occurring in connection with an accident can lead to the locking mechanism being opened unintentionally. Because the deceleration forces in question act - also - on the actuating lever mechanism for triggering the locking mechanism.
  • the crash unit prevents such unintentional opening of the locking mechanism.
  • the locking mechanism or the actuating lever mechanism acting on the locking mechanism is set ineffective in the event of a crash.
  • the operating lever system is usually composed of one or more levers. Usually, an internal operating lever, an external operating lever and a release lever are used as a minimum.
  • the actuating lever mechanism often has one or more clutch levers, with the aid of which individual securing positions of the actuating lever mechanism can be implemented.
  • the locking mechanism is usually opened via the release lever as part of the actuating lever system.
  • the release lever typically engages the pawl, a comfort pawl or both pawls and lifts the pawl or the multiple pawls, in particular from the associated rotary latch, so that the locking mechanism can open with spring support as a result.
  • a motor vehicle lock is implemented in which the crash unit or a locking means implemented at this point is designed to be changeable with regard to its shape.
  • the locking means In its normal form, the locking means has no function with the actuating lever mechanism.
  • a locking form of the locking means corresponds to the actuation lever mechanism and / or the locking mechanism being set ineffective. In this way, the overall functional reliability is to be increased with a simple structure at the same time.
  • the locking means which can be changed in shape, has a relatively complex design.
  • the invention is based on the technical problem of developing such a motor vehicle lock and in particular motor vehicle door lock in such a way that, with unchanged functionality, the structural form is simplified and a particularly cost-effective variant is available.
  • a generic motor vehicle lock and in particular a motor vehicle door lock is characterized within the scope of the invention, characterized in that the lever is designed as part of the crash unit as a control lever of the crash unit, which is set up to control a clutch lever of the actuating lever system, the clutch lever being its continuous "Locked” position and only in normal operation by the control lever then moved together with the actuating lever mechanism moves into its "unlocked” position.
  • the crash lock that is implemented is initially composed of the clutch lever and the control lever.
  • an inertia lever is also assigned to the control lever.
  • the control lever and the inertia lever can also functionally coincide.
  • the clutch lever With the help of the control lever, the clutch lever is now held in its "locked” position throughout.
  • the clutch lever is not only a component of the crash unit, but also a component of the operating lever system.
  • the clutch lever - as usual - ensures that the operating lever system is mechanically interrupted, so that its application typically does not correspond to adjusting movements of the release lever, because the application of the actuating lever system is empty in relation to the locking mechanism.
  • the closed locking mechanism therefore remains in its closed state.
  • the "unlocked" position of the clutch lever corresponds to the fact that the actuating lever system provides a continuous mechanical connection up to the release lever, so that pressures on the actuating lever system correspond to pressurization of the release lever and thus to releasing the locking mechanism.
  • the clutch lever is now kept in its "locked” position throughout. This also and especially applies to a crash. Because in the event of a crash, the control lever, due to its inertia alone or due to the combined inertia of the control lever in conjunction with the inertia lever, ensures that the clutch lever remains unchanged in its "locked” position. Any application of the lever mechanism actuation is taken up by the spring. This is because the control lever and an actuating lever of the actuating lever system are coupled to one another with the aid of the spring.
  • the crash unit according to the invention essentially has the control lever controlling the clutch lever.
  • the clutch lever is usually implemented anyway in order to be able to represent different locking positions of the actuating lever mechanism, such as, for example, "locked” or "unlocked”.
  • the clutch lever is now also included in the crash lock or is a component of the crash unit. This is ensured by the control lever that controls the clutch lever and is additionally provided, which in the event of a crash ensures that due to its own inertia or inertia in conjunction with the optional inertia lever, that the clutch lever remains in its "locked” position unchanged.
  • control lever and the actuating lever are mounted coaxially to one another.
  • control lever advantageously has a control contour for a control pin of the clutch lever that engages in the control contour. With the help of the control contour, the clutch lever is controlled by the control lever.
  • the clutch lever is generally rotatably mounted about an axis parallel to the axis of the control lever.
  • the clutch lever generally interacts with a contour on the release lever in such a way that in its pivoted-in or "unlocked” state the actuation lever acts on the release lever in normal operation.
  • loading of the actuating lever consequently results in the actuating lever taking the control lever with it and also being able to take it with it via the interposed spring.
  • the joint movement of the operating lever and control lever now leads to the in the control contour of the control lever engaging control pin on the clutch lever engages in a contour area of the control contour which allows the clutch lever to be pivoted in and thus "unlocked” to assume its position.
  • the pivoted-in state of the clutch lever corresponds to the fact that the clutch lever can interact with the contour on the release lever, usually resting on the contour.
  • a continuous mechanical connection from the actuating lever to the control lever, the clutch lever and finally the release lever to the locking mechanism is implemented, so that pressures on the actuation lever and thus on the actuation lever mechanism as a whole lead to the release of the lock, typically to its opening.
  • the clutch lever retains its swiveled-out state with respect to the contour in question on the release lever.
  • the "locked" position of the clutch lever which is assumed and maintained throughout, corresponds to this.
  • the actuating lever is decoupled from the control lever and can perform pivoting movements with respect to the control lever. During these pivoting movements, the spring coupling the actuating lever to the control lever is compressed or elongated, depending on the design.
  • the control lever is usually coupled with a Massenträg unit lever.
  • the control lever maintains its position with the help of the inertia lever. In this maintained position of the control lever, it ensures that the clutch lever is fixed in its "locked” position via the control lever.
  • the clutch lever which is still in the "locked” position, ensures in the event of a crash that there is no continuous mechanical connection from the operating lever mechanism to the release lever, so that the locking mechanism also maintains its closed position in the event of a crash.
  • the Inertia lever typically has a contour for receiving a pin of the control lever.
  • FIGS 1 A to 1 C the motor vehicle lock according to the invention reduced to the essential components for the invention in normal operation or in normal operation, in each case in front and rear view,
  • FIGS. 2A to 2C show the object according to FIGS. 1 A to 1 C in the event of a crash, again in front and rear views and
  • FIGS. 3A and 3B show the crash unit again in a perspective view from different directions.
  • a motor vehicle lock which is a motor vehicle door lock.
  • the motor vehicle lock or motor vehicle door lock is equipped with a locking mechanism comprising rotary latch 1 and pawl 2, which is only indicated in a plan view in FIG. 1 or only in section in the form of pawl 2 in FIGS. 1A to 1C is reproduced.
  • a locking mechanism comprising rotary latch 1 and pawl 2
  • an actuating lever mechanism 3, 4, 5, 7 is provided and implemented.
  • the actuating lever mechanism 3, 4, 5, 7 is composed according to the exemplary embodiment and not restrictive of an external actuating lever 3, an internal actuating lever 4 and a release lever 5, which are mounted coaxially with respect to a common axis 6 in a lock housing, not shown in detail. Furthermore, the actuation lever mechanism 3, 4, 5, 7 includes a clutch lever 7 which is mounted on the release lever 5 about a further axis 8 parallel to the axis 6.
  • the external actuation lever 3 and the release lever 5 as well as the clutch lever 7 are primarily relevant. In fact, the following considerations can also be applied to the internal operating lever 4.
  • the external operating lever 3 is connected to an external handle (not shown) or an external door handle, with the aid of which the external operating lever 3 for triggering the locking mechanism 1, 2 is acted upon with a force F indicated in FIG the figures indicated clockwise movement about its axis 6 performs.
  • the release lever 5 is able to move the pawl 2 to the left in the illustration according to FIGS. 1A to 1C according to the indicated arrow to act on, so that the pawl 2 is pivoted in a top view of the locking mechanism 1, 2 in a clockwise direction and releases the previously locked rotary latch 1.
  • the rotary latch 1 then swivels open with the aid of a spring and releases a previously caught locking bolt.
  • the lock 1, 2 is open.
  • the "unlocked" state of the clutch lever 7 corresponds to this, as shown in the individual representations according to FIGS. 1B and 1C.
  • the actuating lever mechanism 3, 4, 5, 7 is not able to trigger the locking mechanism 1, 2, because in such a crash an additionally provided crash unit 3, 7, 9, 10, 11 ensures that when decelerating forces of a predetermined magnitude and direction occur in connection with such a crash, the locking mechanism 1, 2 or the actuating lever system 3, 4, 5, 7 is rendered ineffective.
  • the crash unit 3, 7, 9, 10, 11 shown in detail in FIGS. 3A and 3B is composed, according to the exemplary embodiment, of an actuating lever or the ok
  • a control lever 9 to be described in more detail below is also implemented, which is set up to control the clutch lever 7.
  • the crash unit 3, 7, 9, 10, 11 also includes an inertia lever 10 that works on the control lever 9.
  • part of the crash unit 3, 7, 9, 10, 11 is a spring 11 which, on the one hand, and the control lever 9 on the other hand elastically couples with one another.
  • the control lever 9 of the crash unit 3, 7, 9, 10, 11 is set up to control the clutch lever 7.
  • the control lever 9 has a control contour 9a, 9b shown in particular in FIGS. 3A and 3B.
  • a control pin 7a of the clutch lever 7, which is connected to the rear of the clutch lever 7 and engages in the control contour 9a, 9b, engages in the control contour 9a, 9b.
  • the control contour 9a, 9b is equipped with two contour areas 9a, 9b which, according to the exemplary embodiment, enclose an obtuse angle between them, so that the control pin 7a is fixed in the area of an apex of the obtuse angle.
  • the clutch lever 7 or its axis 8 is oriented parallel to the axis 6 of the control lever.
  • the axis 6 of the control lever also functions as an axis for the release lever 5 and the actuating lever or external actuating lever 3.
  • the force F denotes the external actuating lever 3 when an external handle is applied, for example Operating lever or external operating lever 3 is pivoted about its axis 6 in the indicated clockwise direction. Since the external actuation lever 3 is coupled to the control lever 9 via the spring 11, normal actuation shown in FIGS. 1A to 1 C results in the control lever 9 following the clockwise movement of the external actuation lever 3.
  • the common pivoting movement of the actuating lever or external actuating lever 3 together with the control lever 9 in normal operation and clockwise around the common axis 6 means that the control pin 7a of the clutch lever 7 can move into the contour area 9a of the control lever 9, so that the clutch lever as a result 7 can pivot counterclockwise about the axis 8 into the position according to FIG. 1B.
  • the clutch lever 7 comes to rest on the contour 3a of the external operating lever 3 and consequently the external operating lever 3 and the release lever 5 are mechanically coupled to one another by the pivoted clutch lever 7 in its "unlocked" position.
  • the actuating lever or external actuating lever 3 can be acted upon again in the sense of opening the locking mechanism 1, 2. That is to say, the external actuating lever 3 is activated again at the transition from FIG. 2A to FIG. 2B - by the deceleration forces - applied clockwise about its axis 6.
  • the control lever 9 remains at rest. This is ensured by the inertia of the control lever 9, which, according to the exemplary embodiment, is implemented by its interaction with the inertia lever 10.
  • the control lever 9 can also be designed in such a way that, due to its own mass, it has the required inertia to withstand the (rapid) movements of the external actuation lever 3 in the event of a crash.
  • the perspective illustration of the crash unit 3, 7, 9, 10, 11 in the illustration according to FIGS. 3A and 3B shows that the control lever 9 maintains its position by means of the inertia lever 10 in the event of a crash.
  • the inertia lever 10 is rotatably mounted about its own axis 12.
  • the control lever 9 fixes the clutch lever 7 in its "locked” position in the event of a crash. That is, the clutch lever 7 continuously retains its "locked” position in the event of a crash and in all of the functional representations according to FIGS. 2A to 2C.
  • the actuating lever mechanism 3, 4, 5, 7 for triggering the locking mechanism 1, 2 is interrupted, so that the locking mechanism 1, 2 maintains its closed position as desired in the event of a crash.
  • the inertia lever 10 has a contour 10a for receiving a pin 9c on the control lever 9.
  • the pin 9c of the control lever 9 extends predominantly perpendicular to the two-dimensional extent of the control lever 9 and engages in the contour 10a of the inertia lever 10.
  • the axis 12 of the inertia lever 10 runs parallel to the axes 6, 8.
  • the external actuating lever 3 - acted upon by the spring 11 - returns (again) to its original position according to FIG. 2A.
  • the design is such that the pivoting movement of the external actuation lever 3 takes the control lever 9 with it via the spring 11. Since the pivoting movement in normal operation is slowly below a limit speed to be determined by the dimensioning of the individual components, the interposed spring 11 ensures that the control lever 9 can follow the pivoting movements of the external actuating lever 3.
  • the inertia lever 10 which is also carried along during the pivoting movement via the pin 9c on the control lever 9 by engaging in the contour 10a and pivoted about its axis 12 in normal operation.
  • control lever 9 can pivot clockwise around the common axis 6 with the external operating lever 3 during normal operation, so that - as described - the control pin 7a on the clutch lever 7 reaches the contour area 9a of the control lever 9 and consequently moves into the "unlocked” position accordingly the representation according to Figures 1 B and 1 C can pivot.
  • the locking mechanism 1, 2 can consequently be opened in normal operation.
  • the clutch lever 7 assumes the "locked” position throughout in its rest position, as in the case of a crash shown in FIGS. 2A to 2C. In the event of a crash, this is ensured by the control lever 9, which according to the exemplary embodiment in conjunction with the inertia lever 10 builds up the required inertia forces.

Landscapes

  • Lock And Its Accessories (AREA)
  • Mechanical Control Devices (AREA)

Abstract

La présente invention concerne une serrure de véhicule automobile et en particulier une serrure de portière de véhicule automobile, qui est équipée d'un mécanisme de verrouillage (1, 2) comprenant essentiellement un cliquet (1) et un crochet (2), et qui est également équipée d'un mécanisme de levier d'actionnement (3, 4, 5, 7) destiné à libérer le mécanisme de verrouillage (1, 2) et d'une unité de collision (3, 7, 9, 10, 11). L'unité de collision désactive le mécanisme de levier d'actionnement (3, 4, 5, 7) et/ou le mécanisme de verrouillage (1, 2) au moins en cas de forces de décélération ayant une amplitude et une direction prédéfinies, par exemple en cas d'accident (collision). À cet effet, l'unité de collision (3, 7, 9, 10, 11) est équipée d'au moins un ressort (11) agissant sur un levier (9). Selon l'invention, le levier (9) est réalisé sous la forme d'un levier de commande (9) de l'unité de collision (3, 7, 9, 10, 11), et est conçu pour commander un levier d'accouplement (7) du mécanisme de levier d'actionnement. Le levier d'accouplement (7) se trouve en permanence dans sa position "verrouillée" et passe dans sa position "déverrouillée" pendant un fonctionnement normal uniquement au moyen du levier de commande (9) qui est ainsi déplacé conjointement avec le mécanisme de levier d'actionnement (3, 4, 5, 7).
EP20792524.9A 2019-10-11 2020-10-06 Serrure de véhicule automobile, en particulier une serrure de portière de véhicule automobile Active EP4041971B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019127445.1A DE102019127445A1 (de) 2019-10-11 2019-10-11 Kraftfahrzeugschloss, insbesondere Kraftfahrzeugtürschloss
PCT/DE2020/100868 WO2021069029A1 (fr) 2019-10-11 2020-10-06 Serrure de véhicule automobile, en particulier une serrure de portière de véhicule automobile

Publications (2)

Publication Number Publication Date
EP4041971A1 true EP4041971A1 (fr) 2022-08-17
EP4041971B1 EP4041971B1 (fr) 2023-07-26

Family

ID=72895881

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20792524.9A Active EP4041971B1 (fr) 2019-10-11 2020-10-06 Serrure de véhicule automobile, en particulier une serrure de portière de véhicule automobile

Country Status (4)

Country Link
EP (1) EP4041971B1 (fr)
CN (1) CN114555897B (fr)
DE (1) DE102019127445A1 (fr)
WO (1) WO2021069029A1 (fr)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5285524B2 (ja) * 2009-07-22 2013-09-11 株式会社アンセイ 車両用ドアロック装置
DE102011010815A1 (de) * 2011-02-09 2012-08-09 Kiekert Ag Kraftfahrzeugtürverschluss
DE102011010816A1 (de) * 2011-02-09 2012-08-09 Kiekert Ag Kraftfahrzeugtürverschluss
DE102011100090A1 (de) 2011-04-29 2012-10-31 Kiekert Ag Kraftfahrzeugtürverschluss
DE102013108293A1 (de) 2013-08-01 2015-02-05 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss
DE202013104118U1 (de) * 2013-09-10 2014-12-15 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloss
DE102013110756A1 (de) * 2013-09-27 2015-04-02 Kiekert Aktiengesellschaft Kraftfahrzeugtürschloss
DE102014002581A1 (de) * 2014-02-26 2015-08-27 Kiekert Aktiengesellschaft Kraftfahrzeugtürschloss
DE102014109111A1 (de) * 2014-06-30 2015-12-31 Kiekert Ag Haubenschloss mit Steuerscheibe
DE102015002451A1 (de) * 2015-02-25 2016-08-25 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss
DE102016107510A1 (de) * 2016-04-22 2017-10-26 Kiekert Ag Kraftfahrzeugtürschloss
DE102016121422A1 (de) * 2016-11-09 2018-05-09 Kiekert Ag Schloss für ein Kraftfahrzeug
CN108729772B (zh) * 2017-04-21 2019-11-29 开开特股份公司 机动车门锁
DE102017127386A1 (de) * 2017-11-21 2019-05-23 Kiekert Ag Kraftfahrzeugschloss

Also Published As

Publication number Publication date
CN114555897A (zh) 2022-05-27
CN114555897B (zh) 2023-08-08
DE102019127445A1 (de) 2021-04-15
WO2021069029A1 (fr) 2021-04-15
EP4041971B1 (fr) 2023-07-26

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