EP3812543B1 - Serrure de véhicule automobile, en particulier serrure de porte de véhicule automobile - Google Patents

Serrure de véhicule automobile, en particulier serrure de porte de véhicule automobile Download PDF

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Publication number
EP3812543B1
EP3812543B1 EP20202932.8A EP20202932A EP3812543B1 EP 3812543 B1 EP3812543 B1 EP 3812543B1 EP 20202932 A EP20202932 A EP 20202932A EP 3812543 B1 EP3812543 B1 EP 3812543B1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
locking mechanism
sensor
pawl
contour
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.)
Active
Application number
EP20202932.8A
Other languages
German (de)
English (en)
Other versions
EP3812543A1 (fr
Inventor
Tobias Frohn
Udo Orzech
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 EP3812543A1 publication Critical patent/EP3812543A1/fr
Application granted granted Critical
Publication of EP3812543B1 publication Critical patent/EP3812543B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/54Electrical circuits
    • E05B81/64Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/66Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status
    • E05B81/68Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status by sensing the position of the detent
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/12Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/14Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20Bolts or detents
    • E05B85/24Bolts rotating about an axis
    • E05B85/26Cooperation between bolts and detents
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • E05B15/0086Toggle levers

Definitions

  • 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 as locking mechanism components, also with a motor-driven actuating element for the locking mechanism, and with a sensor that scans movements of the locking mechanism.
  • the motor vehicle lock is typically a motor vehicle door lock and here generally a tailgate lock.
  • the motor vehicle lock can also be designed as a front hood lock, a lock for a seat lock, a tank flap lock, a loading flap lock, etc.
  • tailgate locks are considered in general, they are usually equipped with a motor drive. The drive works on the actuator.
  • the locking mechanism can then in turn be transferred from a pre-locked position to a main locked position with the aid of the actuating element.
  • the drive or electric motor drive works as a closing drive or acts as a closing aid.
  • the drive can also be implemented as an opening drive, which lifts the pawl from the rotary latch to open the locking mechanism. Such an embodiment is primarily considered below.
  • a triggering element and an additional storage element are implemented.
  • the storage element holds the release element and thus the pawl in an inactive position with respect to the locking mechanism at least during an opening movement of the rotary latch.
  • the additionally provided sensor serves at least to query the position of the pawl.
  • an intermediate element that interacts with the rotary latch or the pawl is implemented, which transmits movements of the locking mechanism to a sensor.
  • the intermediate element has at least one rotary latch spring element that is controlled by the rotary latch and stores its movements.
  • the main locking position of the locking mechanism is queried with the aid of the intermediate element and the sensor.
  • the pawl that has fallen completely into the rotary latch corresponds to this.
  • the sensor is a microswitch that is constantly acted upon by the rotary latch spring element. Its signal thereby completes a circuit interrogated by a control system.
  • DE 102 34 782 A1 discloses a generic motor vehicle door lock, with a locking mechanism, with a motor-driven actuating element and with a sensor that is designed to scan axial and radial movements.
  • the sensor interacts with a contour that is provided on the pawl.
  • the invention is based on the technical problem of developing such a motor vehicle lock and in particular a motor vehicle door lock in such a way that that the assembly and manufacturing costs are reduced and as a result, the manufacturing costs decrease.
  • a (single) sensor is used first of all. This single sensor is now set up for scanning. Both axial movements and radial movements are recorded alternatively or cumulatively using the sensor. According to the invention, both axial and radial movements of the ratchet component are detected, specifically with the single sensor.
  • the axial or radial movements in question are carried out by the locking mechanism component and scanned using the sensor.
  • the position of the locking mechanism can be indirectly deduced from a position of the actuating element. For example, when the motor-driven actuating element has reached its lifting position in connection with an opening process, this means that the rotary latch can safely reach its open position.
  • a lift-off position is to be understood as meaning a position in which the pawl is lifted off the rotary latch and the rotary latch can thus rotate into its open position.
  • a secure closure of the locking mechanism can be recognized by detecting whether the locking mechanism has definitely reached the main detent position.
  • an axial movement of the actuating element to be accompanied, for example, by assuming the pre-locking position of the locking mechanism, and for the additional radial movement of the actuating element to be associated with the subsequent movement Represents taking the main detent position.
  • the single sensor by scanning both the axial and radial movement of the motor-driven actuating element in the example Securely record the pre-locking position and the main locking position and transmit it to the control unit querying the sensor.
  • the single sensor is used to scan the pawl and is set up accordingly.
  • the sensor interacts with a contour.
  • the contour is generally arranged on an end of the pawl that is remote from the rotational axis.
  • the contour is located at the end of the pawl that is remote from the axis of rotation.
  • the invention is based on the knowledge that the pawl is lifted with the aid of the motor-driven actuating element in order to enable the rotary latch to open.
  • the pawl performs both an axial and a radial movement in the example. These two movements can be performed sequentially or simultaneously by the pawl.
  • the actuating element as such can of course also carry out such axial and radial movements as an alternative to the pawl, which are then in turn detected using the single sensor.
  • the senor is able to detect both axial and radial movements of the ratchet component. Since the movements in question can be carried out sequentially in time as well as partially or completely overlapping on the part of the actuating element or locking component, the sequence of movements of the actuating element or locking component can be clearly understood from the associated sensor signals. As a result of this, taking up the lifting position of the pawl can also be detected without a doubt using the single sensor. Likewise, for example, the transition from the pre-locked position to the main locked position can be checked by sensors, specifically according to the invention Recourse to a single sensor and expressly renouncing several sensors. As a result, the assembly and production costs can be significantly reduced compared to previous embodiments.
  • the sequence of the axial movement detected by sensors and the radial movement of the locking mechanism component also detected by sensors can be used to draw conclusions about its movement sequence, specifically unequivocally.
  • the safe assumption of the main locking position of the locking mechanism can also be detected according to the invention with a precision that was not previously thought possible.
  • This is particularly important in view of the fact that the further functions mentioned above (anti-theft device, activation of safety systems for the occupants, etc.) are linked to the locking mechanism reaching the main locking position.
  • the pawl in the preferred embodiment not only simply pivots away, but can move with the help of the actuating element translational movements within a range that is defined by two mutually perpendicular axes.
  • the senor is stationary and arranged on a housing opposite the contour.
  • the housing can be a lock housing or a plastic cover and/or a metal lock case that supports the locking mechanism.
  • the contour is generally equipped with an elevation following axial movements and, in addition, a flat surface following rotary movements. That is, with the aid of the elevation relative to the flat surface, an axial movement of the contour and thus of the actuating element or locking component monitored with the aid of the sensor can be easily detected.
  • rotary movements of the actuating element or locking mechanism component can be detected with the aid of the sensor via the flat surface.
  • the senor is a switch and, in particular, a microswitch.
  • other sensors such as distance sensors on an optical basis, sensors working with ultrasound, Hall sensors, etc. can of course also be used or alternatively used.
  • the contour is provided according to the invention on the pawl.
  • the invention provides that the pawl is rotatably mounted on the actuating element.
  • the actuating element is in turn mounted such that it can rotate about an axis in relation to the plastic housing or lock case. Corresponding rotary movements of the actuating element are initiated with the help of the electric motor drive.
  • both the pre-locking position of the locking mechanism and its main locking position can also be determined separately from one another by the combination of the contour on the locking mechanism component and its axial and radial movement at the same time.
  • the contour may be equipped not only with one elevation but with two elevations on both sides of the flat surface arranged between them.
  • the first and front elevation corresponds to a defined position
  • the flat surface to a further second position
  • the rear second elevation to an additional third position that is still to be determined, all of which can be determined with the help of the sensor or Switch detected and can be distinguished from each other by the control unit. All of this is achieved by taking into account a structure that is simple in terms of design and production technology, so that costs can be expected to be significantly reduced compared to the prior art. This is where the main advantages can be seen.
  • a motor vehicle lock which is a motor vehicle door lock in the exemplary embodiment, which is specifically designed as a tailgate lock.
  • the question in question and in the overview in the 1 The motor vehicle lock shown has, in its basic structure, a locking mechanism 1, 2 consisting essentially of rotary latch 1 and pawl 2 as both locking mechanism components 1, 2.
  • a motor-driven actuating element 3 for the locking mechanism 1, 2 is also implemented.
  • the actuating element 3 is designed as a triangular lever and is mounted in a lock case 5 such that it can rotate about an axis of rotation 4 .
  • the metal lock case 5 is also used to mount the rotary latch 1.
  • the rotary latch 1 has a pivot 6.
  • the pawl 2, on the other hand, is mounted with its pivot 7 on the actuating element 3 according to the exemplary embodiment.
  • the basic structure also includes a drive 9, 10 for the actuating element 3, which is motor-driven in this way.
  • the drive 9, 10 ensures that the actuating element 3 is triggered and consequently the locking mechanism 1, 2 is opened.
  • the drive 9, 10 in the example is composed of a drive lever 9 and a drive rod 10 that can be moved in the direction of the arrow to release the actuating element 3, which overall ensures that the actuating element 3 to release and thus open the locking mechanism 1, 2 in the Is pivoted counterclockwise about its axis 4.
  • another basic structure includes a sensor 13, which interacts with a contour 14, 15 to be described in more detail below and can thereby scan movements of the locking mechanism 1, 2.
  • the sensor 13 in the exemplary embodiment is connected to a control unit 16 that evaluates its signals.
  • the sensor 13 in question is the only sensor of the motor vehicle door lock shown, with the help of which all relevant positions of the locking mechanism 1, 2 can be detected and queried.
  • the only sensor 13 within the scope of the invention is set up to scan both axial and radial movements of the locking mechanism component 2 , specifically the pawl 2 .
  • the both axial and radial movements of the pawl 2 in the example on the proper taking a lifting position of the pawl, or one in the 1 illustrated main latching position on the part of the signals from the sensor 13 evaluating control unit 16 can be inferred.
  • the senor 13 in interaction with the contour 14, 15 on the pawl 2 determine not only the main locking position already mentioned, but also, for example, a pre-locking position or open position of the locking mechanism 1, 2. This has already been explained in the introduction to the description.
  • the contour 14, 15 has an elevation 14 and, in addition, a flat surface 15.
  • Using the survey 14 can in the 2 by a double arrow indicated axial movements A of the pawl 2 shown enlarged are detected using the sensor 13.
  • the flat surface 15 is used to be able to detect or query radial movements R of the pawl 2 . This is easily possible because the contour 14, 15 is at the end of the pawl 2 that is remote from the axis of rotation, as can be seen in a comparison of the figures 1 and 2 can understand immediately.
  • the sensor 13 is designed overall as a switch and in particular as a microswitch. As a result, the switch is actuated and in the 2
  • the pin 13 ′ which can be seen in particular, is acted upon both during an axial movement A of the elevation 14 and the radial movement R of the flat surface 15 and generates a corresponding signal from the sensor 13 , which can be evaluated with the aid of the control unit 16 .
  • the locking mechanism 1, 2 can be triggered or opened by the drive rod or actuating rod 10 of the drive 9, 10 in the 1 indicated direction of the arrow is moved downwards.
  • the actuating element 3 is rotated counterclockwise about its axis 4 against the force of the spring 11 .
  • the pawl 2 also moves with its axis of rotation 7 and moves into the lifting position, so that the rotary latch 1 is released overall and pivots counterclockwise about its axis 6 .
  • a closing movement of the locking mechanism 1, 2 initially corresponds to the rotary latch 1 pivoting clockwise about its axis 6 with the aid of the retracting locking bolt (not expressly shown).
  • the pawl 2 first falls into the first position and then in the 1 shown main detent so that the main detent position is reached.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (5)

  1. Serrure de véhicule automobile, en particulier serrure de portière de véhicule automobile, comportant un mécanisme de verrouillage (1, 2) constitué sensiblement d'un loquet rotatif (1) et d'un cliquet de verrouillage (2) en tant que composants de mécanisme de verrouillage (1, 2), comportant en outre un élément d'actionnement (3) a entraînement motorisé pour le mécanisme de verrouillage (1, 2), et comportant un capteur (13) détectant des mouvements du mécanisme de verrouillage (1, 2),
    le capteur (13) unique étant configuré pour détecter à la fois les mouvements axiaux et radiaux du composant de mécanisme de verrouillage (1, 2), le capteur (13) interagissant avec un contour (14, 15), le contour (14, 15) étant prévu sur le cliquet de verrouillage (2),
    caractérisé en ce que
    le cliquet de verrouillage (2) est monté rotatif sur l'élément d'actionnement (3).
  2. Serrure de véhicule automobile selon la revendication 1, caractérisée en ce que le contour (14, 15) est disposé sur une extrémité du cliquet de verrouillage (2) éloignée de l'axe de rotation.
  3. Serrure de véhicule automobile selon l'une des revendications 1 ou 2, caractérisée en ce que le contour (14, 15) présente une saillie (14) suivant des mouvements axiaux et une surface plane (15) suivant des mouvements de rotation.
  4. Serrure de véhicule automobile selon l'une des revendications 1 à 3, caractérisée en ce que le capteur (13) est disposé sur un boîtier en position fixe et en face du contour (14, 15).
  5. Serrure de véhicule automobile selon l'une des revendications 1 à 4, caractérisée en ce que le capteur (13) est réalisé sous la forme d'un commutateur, en particulier d'un microrupteur.
EP20202932.8A 2019-10-23 2020-10-21 Serrure de véhicule automobile, en particulier serrure de porte de véhicule automobile Active EP3812543B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019128580.1A DE102019128580A1 (de) 2019-10-23 2019-10-23 Kraftfahrzeugschloss, insbesondere kraftfahrzeugtürschloss

Publications (2)

Publication Number Publication Date
EP3812543A1 EP3812543A1 (fr) 2021-04-28
EP3812543B1 true EP3812543B1 (fr) 2022-12-14

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ID=73059379

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20202932.8A Active EP3812543B1 (fr) 2019-10-23 2020-10-21 Serrure de véhicule automobile, en particulier serrure de porte de véhicule automobile

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EP (1) EP3812543B1 (fr)
DE (1) DE102019128580A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000234464A (ja) * 1999-02-16 2000-08-29 Shiroki Corp ロック装置
DE10234782A1 (de) * 2002-07-30 2004-02-19 Brose Schließsysteme GmbH & Co.KG Kraftfahrzeugschloß
DE102004030902A1 (de) 2003-05-08 2006-01-19 Kiekert Ag Kraftfahrzeugtürverschluss
DE10330194A1 (de) * 2003-07-03 2005-01-20 Brose Schließsysteme GmbH & Co.KG Kraftfahrzeug-Türschloß
DE102007056251A1 (de) * 2007-07-24 2009-01-29 Kiekert Ag Kraftfahrzeugverschlussanordnung und Verfahren zu dessen Betrieb
DE102012102724A1 (de) * 2012-03-29 2013-10-02 Huf Hülsbeck & Fürst Gmbh & Co. Kg Kraftfahrzeugtürverschluss
US20180087294A1 (en) * 2016-09-23 2018-03-29 Inteva Products, Llc Liftgate latch
DE102016123328A1 (de) * 2016-12-02 2018-06-07 Witte Automotive Gmbh Schloss
DE102018101142A1 (de) 2018-01-19 2019-07-25 Kiekert Ag Kraftfahrzeugtürschloss

Also Published As

Publication number Publication date
EP3812543A1 (fr) 2021-04-28
DE102019128580A1 (de) 2021-04-29

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