EP4214391A1 - Appareil d'ouverture destiné à un élément de portière de véhicule automobile - Google Patents

Appareil d'ouverture destiné à un élément de portière de véhicule automobile

Info

Publication number
EP4214391A1
EP4214391A1 EP21745899.1A EP21745899A EP4214391A1 EP 4214391 A1 EP4214391 A1 EP 4214391A1 EP 21745899 A EP21745899 A EP 21745899A EP 4214391 A1 EP4214391 A1 EP 4214391A1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
lock
blocking lever
door
vehicle lock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21745899.1A
Other languages
German (de)
English (en)
Inventor
Uwe Reddmann
Holger Schiffer
Ömer INAN
Christian Sturm
Peter Szegeny
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 EP4214391A1 publication Critical patent/EP4214391A1/fr
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—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
    • 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
    • E05B17/00—Accessories in connection with locks
    • E05B17/0054—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed
    • E05B17/0062—Fraction or shear lines; Slip-clutches, resilient parts or the like for preventing damage when forced or slammed with destructive disengagement
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/16—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/90—Manual override in case of power failure
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means

Definitions

  • the invention relates to a motor vehicle lock having a locking mechanism with a rotary latch and at least one pawl, with a rotary movement of the rotary latch being able to be blocked by means of the pawl, an electric drive device with which the pawl can be transferred from a blocked position into a release position for the locking mechanism, a throw-out device, wherein a vehicle part which interacts with the motor vehicle lock can be moved out of a closed position into an open position by means of the deployment device.
  • Today's motor vehicles are being provided more and more with comfort functions. For example, in order to make it easier to get into a motor vehicle and to be able to influence the aesthetic and aerodynamic shape, motor vehicles are equipped without an external door handle, for example. However, it is also conceivable that an outside door handle is provided, but this only forwards a switching signal to the motor vehicle door lock to open it. In order to make boarding easier, to automate it and to enable boarding, for example in vehicles without an outside door handle, so-called display devices or steeper door openings are used, which are sometimes also referred to as positioning devices.
  • DE 10 2011 015 669 A1 discloses a deployment device for motor vehicle doors or flaps, with which a door, flap or hood can be moved from a closed position to an open position.
  • the door can be opened by means of an electrical impulse.
  • the locking mechanism of the door lock must first be unlocked, preferably electrically, so that the door can be opened. If, for example, the door seal pressure is not sufficient to move the door from the closed position to an open position, the door can be moved to an open position by means of the opening device.
  • An open position is defined here in such a way that the operator of the motor vehicle is able to grasp the door so that he can open the door fully.
  • An electric drive serves as the opening device, which mechanically acts on the motor vehicle door via a drive pawl and an inner and outer lever in the form of a pivoting movement of the lever.
  • DE 10 2016 105 760 A1 discloses an opening device for a motor vehicle door with a base plate, also with a drive element mounted on the base plate and a drive, with a first sensor assigned to the drive element being provided, which at least distinguishes between an opening process and manual opening process differs.
  • the positioning device includes a drive that can be driven via a sensor and a control unit.
  • a flexible connecting means then enables a transmission lever to be pivoted, which in turn enables an opening movement via a drive lever and a drive slide.
  • the drive slide moves linearly and, for example, out of an opening in a bodywork, so that an unlocked and unlocked door can be opened at least in certain areas.
  • the end position of the drive slide is by means of a second stationary sensor can be detected, so that the drive can be switched off again.
  • DE 10 2017 124 282 A1 discloses an opening device for a motor vehicle door element having an electric drive and an actuating means, the actuating means being adjustable by means of the drive and a gear arranged between the actuating means and the drive.
  • the opening device allows the door to be moved, with a sliding element being arranged on the adjusting means, which interacts with a switching means, so that the door movement can be detected.
  • the adjusting means is essentially formed from a driven toothed rack with an integrated sliding element, switching means and an electrical supply line. By means of the switching means between the sliding element and the body, it is possible to control the movement of the driven rack.
  • the known display devices have proven themselves in principle, but reach their limits when there is an unintentional power failure or power drop in a motor vehicle. If, for example, the electrical voltage available in the vehicle electrical system drops as a result of an accident, it must be ensured that the side door, for example, can be opened.
  • the invention relates to motor vehicle locks that can be unlocked electrically, in which case a side door can be equipped, for example, without an outside door handle, or the existing outside door handle no longer has a mechanical connection to the motor vehicle lock. If, for example, an accident causes the power in the motor vehicle to drop or fail In this case, too, it must be possible to guarantee that the door can be opened. This is where the invention comes in.
  • the object of the invention is to provide an improved deployment device for a vehicle part that is movably arranged on the motor vehicle.
  • a motor vehicle lock having a locking mechanism with a rotary latch and at least one pawl, wherein a rotary movement of the rotary latch can be blocked by means of the pawl, an electric drive device with which the pawl consists of a Blocking position can be converted into a release position for the locking mechanism, a raising device, by means of which a vehicle part cooperating with the motor vehicle lock can be moved from a closed position into an opening position and wherein a securing means is provided, with the securing means being able to hold the motor vehicle part in the event of a power failure.
  • the design of the motor vehicle lock according to the invention now makes it possible to prevent unintentional opening of the movable vehicle part even in an emergency, namely when a power drop means that there is no longer a sufficient energy supply to ensure proper electrical opening of the To enable locking system and subsequent exhibition.
  • the securing means is used and holds the vehicle part, which is movably arranged on the motor vehicle, in the open position.
  • the securing means is able to secure the vehicle part even in the event of an accident, specifically to secure it in such a way that the vehicle part does not open on its own. In other words, the movable vehicle part is held securely in the open position.
  • An opening position is defined in that the operator can grasp the vehicle part and open it completely in a conventional manner.
  • the vehicle part is set up and held fixed in position by means of the securing means only in the event of a power failure or waste. Complete opening is no longer possible in the event of an intervention by the securing device.
  • the movable motor vehicle part which can be a door, a flap, a hood, a sliding door or, for example, a glove compartment, for example, is fixed and held in the open position by the securing means.
  • the invention relates to a motor vehicle lock, which is not exclusively a motor vehicle door lock. is claimed, but also locks can be meant as bonnet locks, tailgate locks, sliding door locks, tank locks or flap locks, as well as all those motor vehicle parts that have an automatic opening device and are to be protected from full opening.
  • the invention preferably relates to motor vehicle door locks with a locking mechanism, having a rotary latch and at least one pawl.
  • the rotary latch is preferably rotatably accommodated in the motor vehicle lock and interacts with a lock holder or lock shackle. If the interaction between the lock holder and the rotary latch causes, for example, a rotary movement of the rotary latch in the closing direction, the pawl acts, for example, in a spring-loaded manner with the rotary latch, so that the rotary latch is fixed or held in its closed position. The pawl blocks the rotary movement of the rotary latch.
  • a preferably electrically actuated drive device acts on the pawl and can convert the pawl from its locked position into a release position, so that the catch becomes free and the locking mechanism opens.
  • Such motor vehicle locks are also referred to as electric locks or e-locks and the process of unlocking as electric opening.
  • pressure on the door seal can be used, for example, to move the motor vehicle part from a closed position into an open position. If, for example, the door seal pressure is not sufficient to move the motor vehicle door from the closed position to an open position, so that an operator can grasp the door and open it fully, the deployment device serves to move the motor vehicle door into an open position.
  • the securing means can be snapped into a lock holder.
  • the interaction between the security means and the lock holder makes it possible to provide a security system for the motor vehicle with a minimum number of components.
  • the securing means grips the lock holder and can thus securely hold the open position or open position of the movable component, in particular a side door.
  • the motor vehicle lock is usually arranged in the vehicle door element and works together with a lock holder attached to the motor vehicle body. If the securing means is now used structurally in such a way that the securing means acts directly on the lock holder, a structurally and cost-effective solution for realizing a securing means can be provided.
  • Spring preloading of the securing means ensures that the securing means can be safely adjusted into the securing position even in the event of a power failure.
  • the securing means only has to be released in order to reach the securing position, which can be done with the lowest possible energy consumption in the event of a power drop or power failure.
  • a spring preload can be achieved, for example, from a spring element, in particular a torsion spring wrapped around the securing means, the spring element moderately prestressed in the securing position.
  • the securing means is then present in the motor vehicle lock in such a way that in the event of a power failure or power drop, the securing means only has to be released in order to bring the securing means into engagement with the lock holder.
  • the securing means is in the form of a blocking lever, in particular in the form of a pivotably mounted blocking lever, an advantageous embodiment variant of the invention can again be achieved.
  • the design of the securing means as a blocking lever offers a structurally favorable option for realizing a movement of the securing means in the motor vehicle lock.
  • a pivotable or rotatable mounting of the blocking lever can be implemented in a simple manner in the motor vehicle lock and requires only the smallest possible number of components in order to enable the blocking lever to be moved.
  • a spring force can also be easily introduced into a pivotably mounted lever, for example by means of a spiral spring.
  • the blocking lever so that it can pivot on a locking mechanism part axis, in particular the rotary latch axis.
  • the inclusion of the blocking lever or securing means on a locking part axle reduces the number of components required to a minimum.
  • the blocking lever can be stored close to the lock holder, which makes it easier to reach into the lock holder.
  • the rotary latch is engaged when closing, for example, a side door with the lock holder and gets through the interaction between Lock holder and rotary latch in the locking position in which the rotary latch can reach the pre-locking and/or main locking position by means of the pawl. If the motor vehicle lock is now in a main locking position, the side door, for example, is in its closed position.
  • the securing means or the blocking lever can be released and transferred to a securing position.
  • the electrically unlockable locking mechanism can be unlocked, as a result of which the motor vehicle door moves into an open position.
  • the opener By means of the opener, for example via a residual flow, the opener can then bring the door into the open position.
  • the door element In the Publ opening position, the door element is then held by means of the blocking lever. The door can then no longer be fully opened.
  • This securing of the door element is particularly necessary in the event of an accident, since it prevents an occupant from being thrown out of the vehicle.
  • the door is in an open position, so that means for fully opening the door element can be provided or initiated.
  • the electric motor vehicle lock was opened using the residual energy available, so that the vehicle driver or an assistant is able to open the door element completely.
  • the position of the blocking lever on a locking part axis makes it possible to pivotally store the blocking lever in the immediate vicinity of the lock holder.
  • the blocking lever is preferably mounted on the rotary latch axis, but it is also possible to mount it on the locking part axis.
  • the blocking lever can grip the lock holder in a form-fitting manner at least in certain areas.
  • a form fit between bio Locking lever and lock holder allows a constructively simple and inexpensive possibility to realize a safe holding of the movable vehicle part.
  • a positive connection can be produced, for example, in that the blocking lever is hook-shaped and, in the engaged position, encompasses the lock holder at least in regions.
  • gripping around the lock holder enables the movable vehicle part to be held securely, it being possible for the securing to be increased, for example, by the spring element.
  • the positive connection between the blocking lever and lock holder is designed in such a way that the blocking lever engages in the lock holder.
  • the spring force and/or the drive for the blocking element is designed in such a way that it is possible for the blocking lever to engage in the lock holder.
  • the blocking lever is, for example, at least partially equipped with a synthetic fabric cover, so that the blocking lever can engage or clip into the lock holder.
  • the blocking lever is preferably made of a steel material, so that large forces, such as those that occur in an accident, can be absorbed.
  • the safety means must be used to prevent a user of the motor vehicle from being thrown out through a fully open door, for example in the event of an accident.
  • the securing means After engaging in the lock holder, the securing means holds the movable component in such a way that at least one intervention in the securing means is necessary in order to transfer the securing means from the engaged position to a release position.
  • the blocking lever can be released from engagement with the lock holder by means of an inside door handle, a Embodiment of the invention. It is conceivable that the blocking lever can be moved out of the engaged position as a securing means by means of the interior door handle. For example, if a power failure is detected in the motor vehicle, the electric side door lock is unlocked from a certain power threshold, so that the operator is able to exit the vehicle. In this case, however, it must be ensured that the door element does not open independently and completely, so that an accident or damage to the door element can be prevented. If there is now a mechanical connection between the blocking lever and the inside door handle, the operator is able to move the securing means from the engaged position to the release position.
  • an inside door handle is usually no longer mechanically connected to the side door lock, with opening of the locking mechanism or unlocking of the locking mechanism being initiated by means of a control signal and being electrically initialized.
  • the blocking lever can be moved from the engagement position to the release position via the inside door handle.
  • the blocking lever has a predetermined breaking point.
  • a predetermined breaking point allows the operator to force open the vehicle in the event of an emergency.
  • the predetermined breaking point must be designed in such a way that in the event of an accident the door can be held, but with increased force the blocking lever can be released from engagement with the lock holder.
  • a helper such as the fire brigade, can break open the blocking lever at the predetermined breaking point via the predetermined breaking point.
  • the blocking lever can be released from engagement with the lock holder by means of an additional release lever.
  • Such a release lever can, for example, be formed on the blocking lever and, when the blocking lever is moved into the engaged position, can be positioned in such a way that the release lever can be gripped by the user of the motor vehicle. In such a case, it is easily possible for the operator to move the locking lever out of engagement with the lock holder. Adjusting the blocking lever into the engaged position then pivots and/or shifts and/or moves the release lever into a position in which the release lever can be gripped and moved by the user of the motor vehicle.
  • the blocking lever can be released by exceeding a latching force, in particular a latching force that can be introduced into the blocking lever by means of a spring element.
  • the spring element holds the blocking lever in engagement with the lock holder.
  • the spring force is advantageously designed in such a way that in the event of an accident and in particular a first impulse on the motor vehicle, the blocking lever remains in its engaged position. If a vehicle driver has to be rescued from the motor vehicle, there is the possibility of disengaging the blocking lever from the lock holder with an excessive force that far exceeds a normal opening force. The blocking lever is then forcibly released from engagement with the lock holder against the latching force.
  • the construction of the motor vehicle lock according to the invention now makes it possible to provide a securing means deliver, with which an electrically operated locking system can also be opened in the event of an accident and/or a power failure, while at the same time securing the position of the movable vehicle part in a complete opening position can be prevented.
  • the securing means makes it possible to protect the vehicle occupants and at the same time means are provided for manually moving the securing means into a release position.
  • FIG. 1 shows a detailed view of a motor vehicle lock in the area of a locking mechanism and a lock holder, with a side view of a rotary latch being shown and the rotary latch being shown in an open position;
  • FIG. 2 shows a three-dimensional view of the rotary latch with a blocking lever, the interaction between the blocking lever and the lock holder being reproduced in relation to the position between the lock holder and the motor vehicle lock.
  • FIG. 1 shows a side view of a motor vehicle lock 1, only partially shown, in a side view. view of a locking mechanism 2, a blocking lever 3, a lock case 4 and a lock holder 5 is shown.
  • the locking mechanism 2 can be seen, with only the rotary latch 6 being shown.
  • a rotary latch buffer 7 interacts with the rotary latch 6, specifically when the rotary latch 6 moves clockwise about the axis 8 for latching. During the movement of the rotary latch 6, the rotary latch 6 comes into engagement with the rotary latch buffer, so that a controlled latching and in particular a low-noise latching of the locking mechanism 2 is possible.
  • the rotary latch axis not shown, pivots about the axis 8 , the rotary latch axis being firmly accommodated in the lock case 4 .
  • FIG. 1 shows the engagement position E, in which the blocking lever is in engagement with the lock holder 5.
  • the blocking lever 3 has a hook-shaped end 9 , the hook-shaped end 9 enabling a form fit between the lock holder 6 and the blocking lever 3 .
  • the blocking lever 3 can be actuated, for example, by means of the electric drive to unlock the locking mechanism. It is conceivable, for example, that the electric drive is driven in a direction opposite to unlocking, so that the blocking lever can be actuated or released is.
  • the blocking lever 3 can thus be brought electromechanically into the engaged position and/or released, so that the blocking lever 3 can be transferred into the engaged position in a spring-loaded manner.
  • a combination of driven and spring-assisted movement of the blocking lever is also conceivable according to the invention.
  • the available energy can thus be used to enable the handle-less door to be opened.
  • the motor vehicle lock 1 is unlocked or opened and the door is opened, but the spring-biased blocking lever 3, for example, is activated beforehand, whereby the door opening is reduced to a gap that is sufficient, for example, to reach into the gap with your fingers. A swinging open of the door can thus be prevented. The door thus reaches an open position, the door being prevented from opening completely by means of the blocking lever 3 .
  • FIG. 1 A three-dimensional view of the motor vehicle lock 1 is shown in FIG. It can be clearly seen that the lock holder 5 is designed as a lock holder bracket.
  • the lock holder bracket is designed in such a way that both the rotary latch 6 and the blocking lever 3 can engage with the lock holder 5 .
  • the lock holder 5 protrudes through an opening 10 , but has not yet left the motor vehicle lock 1 .
  • the motor vehicle lock is usually installed, for example, in a motor vehicle door or hatch, whereas the lock holder 5 is mounted on the body.
  • the locking mechanism 2 is in an open position, so that the lock holder 5 is freely movable in relation to the locking mechanism 2.
  • the blocking lever 3 prevents the lock holder from being able to move out of the engagement area of the motor vehicle lock 1 .
  • the blocking lever 3 To fully open the door, for example, the blocking lever 3 must now be moved out of the engagement area with the lock holder.
  • the blocking lever 3 can have a predetermined breaking point 11, for example, which releases the lock holder 5 in the event of an excessive force.
  • there is a mechanical connection to the inside door handle so that the blocking lever 3 can be pivoted about the axis 8 in a mechanically driven manner in the direction of the arrow P4.
  • the locking mechanism can be unlocked and the motor vehicle lock 1 can be opened by the securing means, ie the blocking lever 3, while a securing means as a blocking lever 3 prevents the motor vehicle door, for example, from opening completely.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un verrou de véhicule automobile (1) comprenant un mécanisme de verrouillage (2) avec un verrou rotatif (6) et au moins un cliquet, un mouvement de rotation du verrou rotatif (6) pouvant être bloqué au moyen du cliquet, un dispositif d'entraînement électrique, avec lequel le cliquet peut être transféré d'une position de verrouillage à une position de libération pour le mécanisme de verrouillage (2), et un dispositif d'ouverture. Une partie de véhicule coopérant avec le verrou de véhicule automobile (1) peut être déplacée au moyen du dispositif d'ouverture d'une position fermée à une position ouverte, et un moyen de sécurité (3) permettant de maintenir la partie de véhicule en cas de panne de courant est agencé.
EP21745899.1A 2020-09-17 2021-07-13 Appareil d'ouverture destiné à un élément de portière de véhicule automobile Pending EP4214391A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020124240.9A DE102020124240A1 (de) 2020-09-17 2020-09-17 Aufstellvorrichtung für ein Kraftfahrzeugtürelement
PCT/DE2021/100614 WO2022057967A1 (fr) 2020-09-17 2021-07-13 Appareil d'ouverture destiné à un élément de portière de véhicule automobile

Publications (1)

Publication Number Publication Date
EP4214391A1 true EP4214391A1 (fr) 2023-07-26

Family

ID=77050739

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21745899.1A Pending EP4214391A1 (fr) 2020-09-17 2021-07-13 Appareil d'ouverture destiné à un élément de portière de véhicule automobile

Country Status (4)

Country Link
US (1) US20230332442A1 (fr)
EP (1) EP4214391A1 (fr)
DE (1) DE102020124240A1 (fr)
WO (1) WO2022057967A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022106523A1 (de) 2022-03-21 2023-09-21 Kiekert Aktiengesellschaft Aufstelleinrichtung für ein Türelement eines Kraftfahrzeugs

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WO2022057967A1 (fr) 2022-03-24

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