EP4377539A1 - Serrure de véhicule automobile - Google Patents

Serrure de véhicule automobile

Info

Publication number
EP4377539A1
EP4377539A1 EP22748242.9A EP22748242A EP4377539A1 EP 4377539 A1 EP4377539 A1 EP 4377539A1 EP 22748242 A EP22748242 A EP 22748242A EP 4377539 A1 EP4377539 A1 EP 4377539A1
Authority
EP
European Patent Office
Prior art keywords
lock
release lever
catch hook
motor vehicle
lock holder
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
Application number
EP22748242.9A
Other languages
German (de)
English (en)
Inventor
Jan SUK
Ales KEJDANA
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 EP4377539A1 publication Critical patent/EP4377539A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • E05B83/16—Locks for luggage compartments, car boot lids or car bonnets
    • E05B83/24—Locks for luggage compartments, car boot lids or car bonnets for car bonnets

Definitions

  • the invention relates to a lock for a motor vehicle, in particular a hood lock, having a locking mechanism with a rotary latch and at least one pawl, a lock holder, a release lever, the locking mechanism being unlockable by means of the release lever, and the lock holder after a first actuation can be transferred from a detent position into a support position, and the lock holder can be held in the support position by means of a catch hook, and the lock holder can be transferred into a release position after a second actuation of the release lever.
  • Locks for motor vehicles are used where pivoting or sliding on the motor vehicle angeord designated components must be secured in place.
  • the locks are of particular importance here, and in addition to simply securing the position of the moving component, they must also include a safety measure.
  • side doors are provided with a first catch and a main catch to protect the occupants in any case, even if the side door element has not been fully closed.
  • a catch hook is used in addition to the actual locking mechanism of the lock. If, for example, the motor vehicle lock and in particular the locking mechanism are opened unintentionally while driving, the hood can still be opened using a catch must be secured to prevent the hood from opening completely.
  • a motor vehicle lock in which a hood lock can be opened by pulling a handle twice is known, for example, from US Pat. No. 5,738,393.
  • the handle is connected to a pawl, referred to here as a lever, via a cable pull.
  • the pawl is disengaged from a rotary latch, referred to here as the primary lock element, so that a lock holder can be transferred into a first supporting position.
  • the lock holder In the support position, the lock holder is secured in position by a catch hook. Only after a second actuation of the handle does the lock holder reach a release position, so that the hood can be opened.
  • a bonnet lock which is referred to here as a locking device.
  • the generic prior art discloses a locking mechanism with a rotary latch and a pawl and an unlocking lever with which the pawl can be disengaged from the rotary latch.
  • An inside of the motor vehicle Orderly handle is connected via a Bowden cable to the unlocking lever, so that when you first press the unlocking lever, the pawl can be moved out of engagement with the rotary latch.
  • the lock holder comes into engagement with a catch hook, the catch hook being held in the catch position by means of a toggle spring, referred to here as an over-center spring.
  • the motor vehicle lock can consequently be opened by pulling the handle twice.
  • the handle is moved twice in different ways or in different rich lines to enable safe opening of the hood lock.
  • the object of the invention is to provide an improved motor vehicle lock with the features of the preamble of patent claim 1.
  • the object of the invention is to provide a motor vehicle lock that requires less installation space and in which the same actuation paths must always be exceeded to open the motor vehicle lock.
  • Advantageous refinements of the invention are specified in the dependent claims. It is pointed out that the exemplary embodiments described below are not restrictive; rather, any number of possible variations of the features described in the description and the subclaims are possible.
  • a lock for a motor vehicle having a locking mechanism with a rotary latch and at least one pawl, a lock holder interacting with the locking mechanism, a release lever, with of the release lever, the locked locking mechanism can be unlocked and the lock holder can be transferred from a latched position into a support position after a first actuation and the lock holder can be held in the support position by means of a catch hook, and the lock holder can be transferred into a release position after a second actuation of the release lever is, wherein the catch hook in the detent position, in particular a special main catch position, is pivotable such that the catch hook is pivotable in relation to a support position in a lowered position.
  • the construction of the hood lock according to the invention now makes it possible to swing out the catch hook from the range of motion of the lock holder.
  • the catch hook preferably protrudes beyond an upper end of the motor vehicle lock, so that a movement limit tion for the lock holder and thus the hood is given.
  • this was particularly advantageous because a handle was provided on the catch hook with which the operator could manually release the catch hook from the engagement area with the lock holder. Due to the possibility of internal actuation of the motor vehicle lock and by actuating the motor vehicle lock twice and thereby completely releasing the lock holder, the handle on the catch hook can be dispensed with.
  • the invention now shows that pivoting the catch hook into a lowered position creates the possibility of shortening the lock holder or bringing the hood closer to the motor vehicle lock.
  • This has ent decisive advantages in the construction and design of the motor vehicle.
  • the installation space required for the motor vehicle lock can be reduced and there are also constructive and design advantages when designing the front area of the motor vehicle.
  • the more compact design of the motor vehicle lock in combination with the lock holder makes it possible to make the front area of the motor vehicle more compact overall.
  • the lock is preferably used for a hood, in particular a bonnet.
  • the construction of the lock according to the invention can also be used wherever a fishing hook is used in a lock.
  • These can be covers, for example for a convertible top, flaps for luggage compartments or shelves, to name just a few areas of application.
  • Catch hooks are used where external influences can cause the hood to open by itself.
  • the catch hook is preferably used on a hood in the front area of a motor vehicle. After a locking the ratchet releases the ratchet from the lock holder so that a hood could be opened. If, for example, the locking mechanism is unintentionally opened while the motor vehicle is in motion, the wind could open the hood completely. In order to avert danger to the operator of the motor vehicle or the occupants, the lock holder is held by the catch hook and at least one further action is required to fully open the hood.
  • the locking mechanism comprises a rotary latch and at least one pawl, the rotary latch being engageable with the lock holder and the pawl locking the rotary latch in the latching position during closing.
  • locking mechanisms with a first position and a main position or only with one main position are used.
  • the main locking position of the locking mechanism defines the closed position of the bonnet for proper operation of the motor vehicle. If the locking mechanism is unlocked, for example by means of an interior operating handle in the passenger compartment and via a Bowden cable which is in engagement with the hood lock, the lock holder moves into a release position or a pre- locking position. In the pre-locked position, the catch hook holds the lock holder and at least one further manual or electrical actuation is necessary to release the catch hook from engagement with the lock holder. A maximum of safety is thus provided in the motor vehicle.
  • the lock holder When closing the hood or bonnet, the lock holder comes into engagement with the locking mechanism.
  • the lock holder When the bonnet is completely closed, the lock holder is preferably transferred into a locking position of the locking mechanism, in which the locking pawl locks the rotary latch in a locking position.
  • This Locking position can also be referred to as the main locking position.
  • the release lever acts together with the locking mechanism in such a way that the locking mechanism can be unlocked and the catch releases the lock holder.
  • the release lever is preferably connected directly or indirectly to an interior control in the passenger compartment by means of a Bowden cable.
  • An indirect connection to the inside operating lever can be present, for example, when two hood locks secure the hood in its position on the motor vehicle.
  • the Bowden cable can then be connected to the inside actuating lever via a switch, for example.
  • the inside actuating lever is able to actuate both motor vehicle locks via the switch.
  • the release lever can be pivoted with a first actuation of the inside actuating lever.
  • the pivoting or actuation of the release lever has the result that the locking mechanism is unlocked and the lock holder can be transferred from the detent position into a supporting position.
  • a support position is defined in that the hood is held in an open position, but at the same time a complete opening of the hood is prevented. The stopping of the complete opening is prevented by the catch hook.
  • the supporting layer is characterized in that the bonnet is in an open position in which the bonnet is already wide open by a gap.
  • a spring force on the lock holder and/or in the motor vehicle lock keeps the bonnet in the support position, with the catch hook preventing it from opening completely. This ensures that the hood can open unintentionally in the event of an unintentional opening or actuation of the inside operating lever.
  • an unintentional Any opening for example while the motor vehicle is being driven, entails a risk that wind forces could open the bonnet completely.
  • the release lever is actuated in turn and the catch hook is moved out of the area of engagement with the lock holder.
  • the lock holder thus reaches a release position, so that the hood can now be opened.
  • the structural design of the catch hook and the interaction with the lock holder ensures that the lock holder is forced into the support position, ie a pre- locking position. A safe opening and reaching of the support position in the pre- locked position can thus be guaranteed.
  • the release lever and the pawl are mounted on a common axis.
  • the more compact structure of the lock can be increased by storing the release lever and the pawl together on one axis. This results in short actuation paths between the release lever and the pawl, which are reflected in short reaction times on the inside actuation lever when the motor vehicle lock is actuated.
  • the release lever and the pawl can be formed in one piece.
  • a one-piece design offers the advantage of a very compact embodiment of the hood lock.
  • the movement of the release lever can be introduced directly into the locking mechanism, so that tolerances can be excluded and a long service life of the motor vehicle lock can be guaranteed.
  • tolerances can arise over the service life of the motor vehicle lock, which must be taken into account when designing the motor vehicle lock.
  • the release lever can be brought into engagement with the catch hook when it is actuated a second time.
  • the structural design of the motor vehicle lock makes it possible for the release lever to be engaged directly with the catch hook.
  • the catch hook can be actuated with a constant movement of the release lever Be.
  • the release lever sweeps over the same path when it is actuated for the first time and when it is actuated a second time. This is particularly advantageous in that the inside actuating lever only ever has to perform one movement, which in turn is advantageous for the operator, since an identical movement to unlock and release the lock holder is required.
  • the lock holder After a first actuation of the release lever, the lock holder is transferred from a latched position to a support position or pre-latched position.
  • the catch hook pivots into the support position so that the lock holder can be caught and held securely.
  • the pivoting movement of the catch hook from the lowered position in the main position of the lock towards the support position or pre-locking position of the catch ha kens causes the catch hook with a Actuating end moved into the effective range of the release lever.
  • both unlocking of the locking mechanism and release of the catch hook can advantageously take place with a matching movement of the release lever. Assuming the supporting position of the catch hook thus means that the catch hook can be actuated directly by the release lever.
  • a control lever can be actuated by means of the release lever, a movement of the release lever being controllable by means of the control lever.
  • the release lever interacts directly with the pawl and allows the lock holder to slide into the support position.
  • the catch hook is forcibly guided by the lock holder so that the catch hook reaches its pre- locked position or support position.
  • the rotary latch has an extension by means of which the control lever can be actuated.
  • the control lever is preferably non-rotatably connected to the release lever.
  • the control lever is firmly connected to the release lever and the pawl. It is also conceivable to design the release lever, pawl and control lever in one piece and to mount them on a common axis.
  • control lever can be brought into contact with the rotary latch, with engagement of the pawl in the rotary latch being controllable by means of the control lever.
  • the Steuerhe lever can thus be referred to as a snow load lever.
  • a snow load function refers to the function in which, after the locking mechanism has been unlocked, the lock holder does not move out of the Detent position moved out if, for example, too high a load acts on the hood. Too high a load can be generated by a snow load, for example. In this case, the control lever holds the once deflected pawl out of reach with the rotary latch. A renewed engagement of the pawl in the catch can thus be prevented.
  • a stand is provided, with the stand being able to support and/or enable the lock holder to be set up.
  • a stand can be arranged on a pivot axis of the rotary latch.
  • the positioner acts together with a spring, preferably a tension spring, and is able to convert the unlocked lock holder into an opening movement and in particular into the supporting position.
  • the forced guidance of the catch hook by the control contour on the catch hook moves the catch hook into the pre- locking position and prevents the hood from opening completely.
  • the setting up movement can be supported by the stand, so that the stand can set it up, ie move it into the support position.
  • the hood or the lock holder can thus be transferred to the supporting position by means of the stand.
  • the stand can be designed with two arms and have a lifting arm or stand and a spring arm.
  • the lock holder can be guided by means of the erecting alarm and the tension spring, which is designed as a spiral spring, for example, can be connected by means of the spring arm.
  • the spiral spring can be mounted on one side on the spring arm and with a further end on an axis of the catch hook.
  • the axis for the pawl can also be used as an axis for the release lever and control lever, and the swivel axis of the rotary latch can also be used to hold the stand.
  • a compact structure be provided in relation to the dimensions of the motor vehicle lock, but a highly functional lock for two-stroke actuation of a hood lock is also provided with a minimal number of components.
  • FIG. 1 shows a three-dimensional view of a motor vehicle lock equipped according to the invention and in particular a hood lock with the lock holder in a latched position, ie with a closed hood;
  • FIG. 2 shows a front view of the hood lock according to FIG. 1 in an unlocked position of the locking mechanism
  • FIG. 3 shows a top view of the hood lock in a support position or pre- locking position of the lock holder
  • FIG. 4 shows a release position of the bonnet lock, the operator having moved the lock holder out of the engagement area with the catch hook.
  • FIG. 1 shows a hood lock 1 in a locked position of a locking mechanism 2 .
  • 1 shows a plan view of a lock plate 3 and axles 4, 5, 6 mounted in the lock plate.
  • the axles 4, 5, 6 each serve to accommodate several components of the motor vehicle lock 1.
  • the rotary latch 7 and 7 are on the axle 4 the stand 8, as a rotary latch spring 9 was added.
  • the axis 5 carries the release lever 10, the pawl 11 and the control lever 12.
  • the catch hook spring 13 On the axis 6, the catch hook spring 13, the erecting spring 14 was added and the catch hook 15 is mounted.
  • the lock holder 16 is engaged with the rotary latch 7 and the catch hook 15, the lock holder 16 being shown in a main locking position.
  • a spiral spring 17 which acts between the lock plate 3 and the release lever 10 can also be seen.
  • the spiral spring 17 is designed in particular as a tension spring.
  • a switching means in the form of a microswitch 18 in the motor vehicle lock 1 is also arranged.
  • the switching means 18 can be electrically contacted via a connector plug 19, so that the hood lock 1 can be connected to the on-board electronics of the motor vehicle.
  • Another spiral spring 21, which is also designed as a tension spring acts on the stand 8 and between a spring arm 21 of the stand 8 and the axis 6.
  • a tensile force can be introduced into the erecting ler 8, whereby a lifting movement in the direction of the arrow P in the lock holder 16 and thus the hood can be guided.
  • a dash-dotted line 22 indicates that a Bowden cable can be connected to the lock plate 3 , the Bowden cable core being able to be hung in a recess 23 of the release lever 10 .
  • the release lever 10 is shown in its starting position, in which the pawl 11 holds the catch 7 in the locking position shown in FIG.
  • the pawl 11 has to a latching surface 24, the case with the rotary 7 is engaged and the lock holder 16 is fixed or holds in the latched position.
  • the lock holder 16 is on the one hand with the rotary latch 7 engaged and rests against an erecting contour 25 of the coupler 8 erecting.
  • the catch hook 15 is in a Steuerkon structure in engagement with the catch hook 15, the catch hook 15 by means of the control contour and under the influence of the movement of the lock holder 16 can be transferred into a lowered position.
  • the catch hook 15 essentially ends with a plane E of the upper end of the hood lock 1 . This creates the possibility of bringing the lock holder 16 and thus the hood very close to the hood lock 1, resulting in structural and design advantages in the motor vehicle.
  • the stand 8 is biased by the spiral spring 20 in the clockwise direction.
  • the rotary latch spring 9 also preloads the rotary latch 7 in a clockwise direction.
  • the release lever 10 is tensioned counterclockwise held, as well as the catch hook 15 by means of the Federele element 13 biased counterclockwise in the motor vehicle castle 1 is present.
  • FIG. 1 shows the locking position, ie the closed position of the hood
  • the release lever 10 is actuated for the first time by means of the Bowden cable 22, the release lever 10 is rotated about the axis 5 by the angle OC pivoted clockwise.
  • the first pivoting of the release lever 10 has the consequence that the pawl 11 and in particular the latching surface 24 of the pawl 11 out of a handle with the rotary latch 7 passes.
  • the rotary latch is released and is pivoted clockwise due to the rotary latch spring 9 and due to the force exerted by the positioner 8 .
  • Releasing the catch 7 causes the lock holder 16 to move in the direction of the arrow P, as a result of which the catch hook 15 is moved counterclockwise.
  • FIG. 2 shows the position of the motor vehicle lock 1 in which the release lever 10 was actuated for the first time and the lock holder 16 moves in the direction of the arrow P. The position of the lock holder 16 is thus shown in an intermediate position between the locking position and a pre- locking position.
  • FIG. 3 shows the support position of the hood or the lock holder, as well as a pre- locking position of the lock holder
  • the lock holder 16 After being released by the locking mechanism 2 and with the help of the stand 8, the lock holder 16 was moved into the support position or pre-lock position. A control contour 27 in the catch hook is used to move the catch hook 15, the control contour 27 being entered as a dashed line 27 in FIG. By moving the catch hook 15 in the Support position, a stop contour on the catch hook 15 was moved into the effective range of the release lever 10. After the first actuation, the release lever 10 is again in the starting position in which the release lever is held by the spiral spring 17 .
  • the release lever 10 is pivoted again around the angle OC and the axis 5, the release lever 10 comes against the stop contour 28 of the catch hook, whereby a second actuation of the Release lever 10 of the catch hook 15 is transferred into a release position.
  • the lock holder 16 is so far free and the hood can be opened. Up to the release position, the lock holder 16 is guided by the stand 8, so that a safe release from the engagement area of the hood lock 1 can be guaranteed.
  • the movement of the Bowden cable core of the Bowden cable 22 is represented in principle by the arrow PI in FIG.

Landscapes

  • Lock And Its Accessories (AREA)
  • Superstructure Of Vehicle (AREA)

Abstract

L'invention concerne une serrure de capot (1) comprenant : un mécanisme de verrouillage (2) comprenant un élément d'arrêt (7) et au moins un cliquet (11) ; un support de serrure (16) ; et un levier de libération (10) ; le mécanisme de verrouillage (2) verrouillé peut être déverrouillé au moyen du levier de libération (10), et le support de serrure (16) peut être transféré d'une position de verrouillage à une position de support après que le levier de libération (10) ait été actionné pendant un premier temps et le support de serrure (16) peut être maintenu dans la position de support au moyen d'un cliquet de sécurité (15), et le support de serrure (16) peut être transféré dans une position de libération après que le levier de libération (10) ait été actionné pendant un deuxième temps, le cliquet de sécurité (15) pouvant pivoter dans la position de verrouillage de telle sorte qu'il (15) puisse pivoter dans une position abaissée par rapport à une position de support.
EP22748242.9A 2021-07-28 2022-07-19 Serrure de véhicule automobile Pending EP4377539A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021119635.3A DE102021119635A1 (de) 2021-07-28 2021-07-28 Kraftfahrzeugschloss
PCT/DE2022/100519 WO2023006145A1 (fr) 2021-07-28 2022-07-19 Serrure de véhicule automobile

Publications (1)

Publication Number Publication Date
EP4377539A1 true EP4377539A1 (fr) 2024-06-05

Family

ID=82748175

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22748242.9A Pending EP4377539A1 (fr) 2021-07-28 2022-07-19 Serrure de véhicule automobile

Country Status (5)

Country Link
US (1) US20240337139A1 (fr)
EP (1) EP4377539A1 (fr)
CN (1) CN117716103A (fr)
DE (1) DE102021119635A1 (fr)
WO (1) WO2023006145A1 (fr)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3337202A1 (de) 1983-10-13 1985-04-25 Volkswagenwerk Ag, 3180 Wolfsburg Verriegelungseinrichtung fuer einen schwenkbaren deckel, insbesondere fuer eine motor- oder kofferraumhaube eines kraftfahrzeuges
US5853060A (en) 1996-10-04 1998-12-29 Chao; Yi Jen Automotive vehicle hood latch release system
US5738393A (en) 1996-11-08 1998-04-14 Ford Global Technologies, Inc. Automotive hood latch having remote actuator
DE19804066B4 (de) 1997-02-04 2005-05-12 Ewald Witte Gmbh & Co Kg Fanghakenanordnung für eine Fronthaube oder dergleichen an Fahrzeugen
DE102007003292B4 (de) 2007-01-23 2023-11-16 Bayerische Motoren Werke Aktiengesellschaft Verriegelungseinrichtung mit einem Schloss und einem verstellbaren Fangelement für eine Frontklappe eines Kraftfahrzeugs
DE102007008700B4 (de) 2007-02-20 2016-07-21 BÖCO Böddecker & Co. GmbH & Co. KG Verriegelungsvorrichtung für eine Fahrzeugtür
DE102010062700A1 (de) 2010-12-09 2012-06-14 Bayerische Motoren Werke Aktiengesellschaft Schloss mit einer Schlossfalle und einem Fangelement für eine Frontklappe eines Kraftfahrzeugs
DE102011114148A1 (de) 2011-09-23 2013-03-28 BÖCO Böddecker & Co. GmbH & Co. KG Schließvorrichtung für ein Kraftfahrzeug
KR101836620B1 (ko) 2016-04-21 2018-03-08 현대자동차주식회사 차량용 씬칭래치 조립체
US10233682B2 (en) 2017-08-15 2019-03-19 GM Global Technology Operations LLC Hood latch release handle
DE102017218021A1 (de) 2017-10-10 2019-04-11 Bayerische Motoren Werke Aktiengesellschaft Kraftfahrzeug-Klappenschloss

Also Published As

Publication number Publication date
CN117716103A (zh) 2024-03-15
WO2023006145A1 (fr) 2023-02-02
DE102021119635A1 (de) 2023-02-02
US20240337139A1 (en) 2024-10-10

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