EP1617021B1 - Serrure pour véhicule automobile - Google Patents

Serrure pour véhicule automobile Download PDF

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Publication number
EP1617021B1
EP1617021B1 EP20050011821 EP05011821A EP1617021B1 EP 1617021 B1 EP1617021 B1 EP 1617021B1 EP 20050011821 EP20050011821 EP 20050011821 EP 05011821 A EP05011821 A EP 05011821A EP 1617021 B1 EP1617021 B1 EP 1617021B1
Authority
EP
European Patent Office
Prior art keywords
locking
drive element
latch
lever
aid
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
EP20050011821
Other languages
German (de)
English (en)
Other versions
EP1617021A1 (fr
Inventor
Markus Zillert
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.)
Brose Schliesssysteme GmbH and Co KG
Original Assignee
Brose Schliesssysteme GmbH and Co KG
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 Brose Schliesssysteme GmbH and Co KG filed Critical Brose Schliesssysteme GmbH and Co KG
Publication of EP1617021A1 publication Critical patent/EP1617021A1/fr
Application granted granted Critical
Publication of EP1617021B1 publication Critical patent/EP1617021B1/fr
Active legal-status Critical Current
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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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1044—Multiple head
    • Y10T292/1045—Operating means
    • Y10T292/1047—Closure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1082—Motor

Definitions

  • the present invention relates to a motor vehicle lock having the features of the preamble of claim 1.
  • the motor vehicle lock is particularly suitable as a side door lock, but can be used as a sliding door lock, rear door lock, tailgate lock or hood lock use.
  • motor vehicle locks are increasingly equipped with a closing auxiliary function.
  • the auxiliary closing function ensures that the motor vehicle lock is transferred from an intermediate position out motor to the fully closed position.
  • the intermediate position corresponds in a motor vehicle lock with latch and pawl usually the prelocking the latch.
  • a closing auxiliary drive and a closing auxiliary lever to adjust the latch of the motor vehicle lock from a prelocking in a main closed position.
  • this closing operation of the closing auxiliary lever comes into engagement with a arranged on the lock latch molding, pushes the latch in the main closed position and finally remains in a position in which the auxiliary closing lever blocks the return of the latch. Only when lifting the pawl, so when the vehicle door is to be opened, and the closing auxiliary lever is disengaged from the latch.
  • the lifting of the auxiliary closing lever ie the decoupling of the auxiliary closing lever of the latch, is here directly connected to the lifting of the pawl. This is realized by an additional lever mechanism, which requires a high design effort.
  • a motor vehicle lock is known ( DE 43 11 785 A1 ), in which the pawl itself is used as a closing auxiliary lever.
  • a lever mechanism is provided, on the one hand allows the adjustment of the latch in the main closing position by means of the pawl and on the other hand, the lifting of the pawl itself.
  • Such a construction is expensive and has disadvantages with respect to a flexible arrangement of the various components in the motor vehicle lock.
  • the known motor vehicle lock ( DE 203 03 196 U1 ), from which the present invention proceeds, is also equipped with a motorized closing aid.
  • the closing aid shows a closing auxiliary drive with a pivotable drive element and a pivotally hinged to the drive element closing auxiliary lever.
  • the closing auxiliary lever has a slotted guide, which can be brought into engagement with an intermediate element. The slide guide thus causes a motion guide of the auxiliary closing lever such that the auxiliary closing lever is coupled at the beginning of the closing operation with the latch and is decoupled from the latch at the end of the closing process.
  • a disadvantage of the motor vehicle lock forming the starting point is the fundamental susceptibility to failure of the slide guide described. This can lead to frictional losses or jamming. Furthermore, it is disadvantageous that the components required here, in particular the slotted guide itself, are expensive to manufacture. Finally, it should be noted that in principle the necessary coupling between the auxiliary closing lever and the intermediate element is to be considered in the construction, which leads to undesirable structural limitations.
  • the present invention is based on the problem to design the known motor vehicle lock such and further, that a high reliability with high design flexibility and is guaranteed with little effort.
  • the auxiliary closing drive forms with the auxiliary closing lever to some extent a closed system, which can fulfill its function - apart from the coupling with the latch - largely independent of other components of the motor vehicle lock. This leads to a constructive decoupling and as a result to particularly simple structural solutions.
  • the stop and the counter stop are engaged with each other and block the pivoting of the auxiliary closing lever relative to the drive element in one direction. This initially ensures that the auxiliary closing lever can not interfere with the movement of the latch, as long as this is not desirable.
  • the closing aid is now preferably carried out so that the closing auxiliary lever during closing by the movement cycle of the drive element and engaged with each stop and counter-stop initially without pivoting relative to the drive element comes into contact with the latch and then with a pivoting relative to the drive element, the corresponding adjustment the latch causes.
  • stop and counter-stop are designed so that they come so close to each other during the closing operation and after the adjustment of the latch by the movement cycle of the drive element, that the uncoupling of the auxiliary closing lever takes place.
  • Fig. 1 shows a motor vehicle lock 1 with a latch 2 and a lock latch 2 in a main catch 3 and a pre-latch 4 holding pawl 5.
  • the latch 2 is in a prelocking position, in which the latch 2 in the pre-rest 4 is held by the pawl 5.
  • the main closed position the latch 2 is held by the pawl 5 in the main catch 3.
  • a prelocking is not necessarily required. Instead, a defined intermediate position, from which the latch 2 is then adjustable in its main closed position is sufficient. In the presently described embodiment, however, this intermediate position corresponds to the prelocking position.
  • the motor vehicle lock 1 is equipped with a closing aid 6 for adjusting the latch 2 in the Hauptsch Anlagenstellüng. In this case, both a motor and a manual operation of the closing aid can be provided.
  • the closing operation of the latch 2 comprises a cycle of movement of the drive element 8, which causes the adjustment of the latch 2 in the main closing position and then the uncoupling of the auxiliary closing lever 9 of the latch 2.
  • the adjustment of the latch 2 in the main closing position in the present case also includes the adjustment of the latch 2 initially in an overstroke position (Fig. 3) with the subsequent falling back of the latch 2 in the main closed position.
  • the closing process is completed only after the uncoupling of the auxiliary closing lever 9 of the latch 2.
  • the closing aid 6 is designed here so that the movement cycle of the drive element 8 causes the coupling of the auxiliary closing lever 9 with the latch 2 before the adjustment of the latch 2 in the main closing position.
  • the movement cycle of the drive element 8 during the closing operation preferably comprises a pivoting of the drive element 8 in both pivoting directions.
  • the coupling of the auxiliary closing lever 9 with the latch 2 and the adjustment of the lock catch 2 in the main closing position with the pivoting of the drive element 8 in a pivoting direction - in Fig. 1 litisherum - connected and uncoupling with the pivoting of the drive element 8 in the opposite pivoting direction - in Fig. 1 linksherum - connected.
  • the entire closing operation is preferably completely motorized. But it is also possible that the provision of the drive element 8 and thus the decoupling of the auxiliary closing lever 9 is realized by spring force in conjunction with a freewheel of the drive element 8.
  • the auxiliary closing lever 9 is preferably pivotably connected to the drive element 8 in the manner of an eccentric at a location spaced from the pivot axis 10 of the drive element 8.
  • the drive element 8 has a stop 11 and the auxiliary closing lever 9 has a counter-stop 12.
  • the two stops 11, 12 are at the beginning of the closing operation with each other engaged and block pivoting of the auxiliary closing lever 9 relative to the drive member 8 in one direction, here in the direction of the coupled position of the auxiliary closing lever.
  • the closing aid 6 is preferably designed so that the closing auxiliary lever 9 during closing by the movement cycle of the drive element 8 and with mutually engaged stop 11 and counter-stop 12 initially - without pivoting relative to the drive element 8 - comes into contact with the latch 2. This is connected to a pivoting of the drive element 8 in Fig. 1 on the right. Subsequently, the further pivoting of the drive element 8 causes pivoting of the auxiliary closing lever 9 relative to the drive element 8, the adjustment of the latch 2 in the main closed position.
  • Stop 11 and counter-stop 12 are arranged so that they engage in the closing operation and after the adjustment of the latch 2 in the main closing position by the movement cycle of the drive member 8 with each other in such a way that thereby the uncoupling of the auxiliary closing lever 9 takes place from the latch 2.
  • the drive element 8 - in Fig. 3 on the left - so long pivots until stop 11 and counter-stop 12 in turn come into engagement with each other.
  • the further pivoting of the drive element 8 then has the blokkierenden engagement of the stops 11, 12 a common pivoting of the drive element 8 and closing auxiliary lever 9 result, until finally the starting position (Fig. 1) is reached.
  • the drive element 8 and the auxiliary closing lever 9 are biased in the blocking position one another. This is preferably done by a correspondingly arranged spring.
  • the bias stop 11 and counter-stop 12 are so long in blocking engagement, as long as there is no force acting against the bias. Such a force comes only to bear when the auxiliary closing lever 9 is coupled to the latch 2 or as long as the auxiliary closing lever 9 is coupled to the latch 2.
  • the drive element 8, the auxiliary closing lever 9 and the latch 2 form a four-joint kinematics during the closing process. This is particularly advantageous in terms of actuation forces for adjusting the lock latch 2 in the main closed position, as can be achieved by a four-joint kinematics with little effort, a favorable gear ratio.
  • the kinematics between the drive element 8 and the latch 2 is called, in which four joints are involved during the closing process. These are here the pivot axis 10 of the drive element 8, the articulation point of the auxiliary closing lever 9 on the drive element 8, the coupling of the auxiliary closing lever 9 with the latch 2 and the pivot axis of the latch 2.
  • the four-joint kinematics is not mandatory, it can instead other kinematic chains be provided between the drive element 8 and the latch 2.
  • a kinematics with more than four joints can be provided, which may be more favorable in terms of the transmission ratio, but requires greater design effort.
  • the auxiliary closing lever 9 has a mandrel 13 and the latch 2 has a molding 14.
  • the molding 14 has for this purpose a substantially radially aligned portion 15, with which the mandrel 13 of the auxiliary closing lever 9 during pivoting of the latch 2 for power transmission is engaged.
  • the molding 14 has a substantially arcuate portion 16, to which the closing auxiliary lever 9 approaches during the closing operation.
  • the closing auxiliary lever 9 is also equipped with a curved section 17 corresponding to the section 16 of the molding 14.
  • the auxiliary closing drive 7 has here and preferably an electric motor for adjusting the drive element 8.
  • an electric motor for adjusting the drive element 8.
  • a pneumatic drive or the like may be provided for the drive-technical coupling, preferably with the motor, the drive element 8 preferably has a section 18 designed as a toothed rim.
  • the auxiliary closing drive 7 may also have a Bowden cable, so that the drive element 8 is pivoted as described above by operating the Bowden cable.
  • the pivoting of the drive element 8 can be realized in that the Bowden cable is directly coupled to the drive element 8 itself, or that the Bowden cable indirectly, for example via a transmission, is coupled to the drive element 8.
  • the Bowden cable itself is operated by a motor drive, or manually.

Landscapes

  • Lock And Its Accessories (AREA)
  • Vehicle Body Suspensions (AREA)

Claims (13)

  1. Serrure pour véhicule automobile comprenant un pêne de serrure (2), avec un cliquet d'arrêt (5) retenant le pêne de serrure (2) dans un dispositif de verrouillage principal (3) et un dispositif de pré-verrouillage éventuellement présent (4), et comprenant un auxiliaire de fermeture (6), l'auxiliaire de fermeture (6) présentant un entraînement (7) - entraînement d'auxiliaire de fermeture - avec un élément d'entraînement pivotant (8) et un levier d'auxiliaire de fermeture (9) articulé de manière pivotante à l'élément d'entraînement (8), le pêne de serrure (2) pouvant être déplacé au moyen de l'entraînement d'auxiliaire de fermeture (7) par le biais de l'élément d'entraînement (8) et par le biais du levier d'auxiliaire de fermeture (9) dans une position de fermeture principale - opération de fermeture - et pour cela, le levier d'auxiliaire de fermeture (9) pouvant être accouplé au pêne de serrure (2) et l'opération de fermeture comprenant un cycle de mouvement de l'élément d'entraînement (8),
    caractérisée en ce que
    l'élément d'entraînement (8) peut être amené en prise avec le levier d'auxiliaire de fermeture (9) de telle sorte que le cycle de mouvement de l'élément d'entraînement (8) provoque, après le déplacement du pêne de serrure (2) dans la position de fermeture principale, le désaccouplement du levier d'auxiliaire de fermeture (9) du pêne de serrure (2).
  2. Serrure pour véhicule automobile selon la revendication 1, caractérisée en ce que lors de l'opération de fermeture, le cycle de mouvement de l'élément d'entraînement (8) pour le déplacement du pêne de serrure (2) dans la position de fermeture principale provoque d'abord l'accouplement du levier d'auxiliaire de fermeture (9) avec le pêne de serrure (2).
  3. Serrure pour véhicule automobile selon la revendication 2, caractérisée en ce que lors de l'opération de fermeture, le cycle de mouvement de l'élément d'entraînement (8) comprend un pivotement de l'élément d'entraînement (8) dans les deux sens de pivotement, en ce que l'accouplement du levier d'auxiliaire de fermeture (9) avec le pêne de serrure (2) et le déplacement du pêne de serrure (2) dans la position de fermeture principale sont associés au pivotement de l'élément d'entraînement (8) dans un sens de pivotement et en ce que le désaccouplement est associé au pivotement de l'élément d'entraînement (8) dans l'autre sens de pivotement.
  4. Serrure pour véhicule automobile selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le levier d'auxiliaire de fermeture (9) est articulé de manière pivotante à un endroit de l'élément d'entraînement (8) espacé de l'axe de pivotement (10) de l'élément d'entraînement (8).
  5. Serrure pour véhicule automobile selon l'une quelconque des revendications 1 à 4, caractérisée en ce que l'élément d'entraînement (8) présente une butée (11) et le levier d'auxiliaire de fermeture (9) présente une contre-butée (12) et en ce que par un pivotement du levier d'auxiliaire de fermeture (9) par rapport à l'élément d'entraînement (8), la butée (11) et la contre-butée (12) peuvent être amenées en prise l'une avec l'autre et de ce fait un pivotement supplémentaire est bloqué.
  6. Serrure pour véhicule automobile selon la revendication 5, caractérisée en ce que la butée (11) et la contre-butée (12) sont en prise l'une avec l'autre par blocage au début de l'opération de fermeture.
  7. Serrure pour véhicule automobile selon la revendication 6, caractérisée en ce que lors de l'opération de fermeture, le levier d'auxiliaire de fermeture (9), par le cycle de mouvement de l'élément d'entraînement (8) et lorsque la butée (11) et la contre-butée (12) sont en prise l'une avec l'autre, vient d'abord en appui - sans pivotement du levier d'auxiliaire de fermeture (9) par rapport à l'élément d'entraînement (8) - avec le pêne de serrure (2) puis - par pivotement du levier d'auxiliaire de fermeture (9) par rapport à l'élément d'entraînement (8) - provoque le déplacement du pêne de serrure (2).
  8. Serrure pour véhicule automobile selon la revendication 5 et éventuellement selon la revendication 6 ou 7, caractérisée en ce que lors de l'opération de fermeture et après le déplacement du pêne de serrure (2) dans la position de fermeture principale par le cycle de déplacement de l'élément d'entraînement (8), la butée (11) et la contre-butée (12) viennent en prise l'une avec l'autre par blocage et de ce fait le désaccouplement du levier d'auxiliaire de fermeture (9) du pêne de serrure (2) a lieu.
  9. Serrure pour véhicule automobile selon la revendication 5 et éventuellement selon l'une quelconque des revendications 6 à 8, caractérisée en ce que l'élément d'entraînement (8) et le levier d'auxiliaire de fermeture (9) sont précontraints dans la position de blocage mutuel.
  10. Serrure pour véhicule automobile selon la revendication 4 et éventuellement selon l'une quelconque des revendications 5 à 9, caractérisée en ce que l'élément d'entraînement (8), le levier d'auxiliaire de fermeture (9) et le pêne de serrure (2) forment une cinématique à quadrilatère articulé lors de l'opération de fermeture, et en ce que l'accouplement entre le levier d'auxiliaire de fermeture (9) et le pêne de serrure (2) forme lors de l'opération de fermeture une articulation de la cinématique à quadrilatère articulé.
  11. Serrure pour véhicule automobile selon l'une quelconque des revendications 1 à 10, caractérisée en ce que le levier d'auxiliaire de fermeture (9) présente un mandrin (13), en ce que le pêne de serrure (2) présente une formation (14) et en ce que le mandrin (13), lors de l'opération de fermeture, pour l'accouplement du levier d'auxiliaire de fermeture (9) au pêne de serrure (2) vient en prise avec la formation (14), de préférence en ce que la formation (14) présente une portion (15) orientée substantiellement radialement et/ou en ce que la formation (14) présente une portion (16) substantiellement en forme d'arc, de laquelle se rapproche le levier d'auxiliaire de fermeture (9) lors de l'opération de fermeture.
  12. Serrure pour véhicule automobile selon l'une quelconque des revendications 1 à 11, caractérisée en ce que l'entraînement d'auxiliaire de fermeture (7) est réalisé sous forme d'entraînement à moteur et présente de préférence un moteur électrique pour le déplacement de l'élément d'entraînement (8), de préférence en ce que l'élément d'entraînement (8) pour l'accouplement technique d'entraînement présente de préférence avec le moteur une portion (18) réalisée sous forme de couronne dentée.
  13. Serrure pour véhicule automobile selon l'une quelconque des revendications 1 à 12, caractérisée en ce que l'entraînement d'auxiliaire de fermeture (7) présente un câble Bowden de sorte que l'élément d'entraînement (8) puisse être pivoté par actionnement manuel ou par moteur du câble Bowden.
EP20050011821 2004-07-15 2005-06-01 Serrure pour véhicule automobile Active EP1617021B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200410034510 DE102004034510A1 (de) 2004-07-15 2004-07-15 Kraftfahrzeugschloß

Publications (2)

Publication Number Publication Date
EP1617021A1 EP1617021A1 (fr) 2006-01-18
EP1617021B1 true EP1617021B1 (fr) 2007-08-01

Family

ID=35335767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050011821 Active EP1617021B1 (fr) 2004-07-15 2005-06-01 Serrure pour véhicule automobile

Country Status (4)

Country Link
US (1) US7261336B2 (fr)
EP (1) EP1617021B1 (fr)
AT (1) ATE368786T1 (fr)
DE (2) DE102004034510A1 (fr)

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EP2803795A2 (fr) 2013-05-17 2014-11-19 Brose Schliesssysteme GmbH & Co. KG Serrure de véhicule automobile
DE202014103819U1 (de) 2014-08-18 2015-11-19 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloss

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2803795A2 (fr) 2013-05-17 2014-11-19 Brose Schliesssysteme GmbH & Co. KG Serrure de véhicule automobile
DE102013008415A1 (de) 2013-05-17 2014-11-20 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloss
DE202014103819U1 (de) 2014-08-18 2015-11-19 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloss
EP2987931A1 (fr) 2014-08-18 2016-02-24 Brose Schliesssysteme GmbH & Co. KG Serrure de véhicule automobile

Also Published As

Publication number Publication date
ATE368786T1 (de) 2007-08-15
US7261336B2 (en) 2007-08-28
DE502005001124D1 (de) 2007-09-13
EP1617021A1 (fr) 2006-01-18
US20060012186A1 (en) 2006-01-19
DE102004034510A1 (de) 2006-02-16

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