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EP1048808B1 - Serrure de porte de véhicule avec assistance électrique pour l'ouverture et la fermeture - Google Patents

Serrure de porte de véhicule avec assistance électrique pour l'ouverture et la fermeture Download PDF

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Publication number
EP1048808B1
EP1048808B1 EP00108495A EP00108495A EP1048808B1 EP 1048808 B1 EP1048808 B1 EP 1048808B1 EP 00108495 A EP00108495 A EP 00108495A EP 00108495 A EP00108495 A EP 00108495A EP 1048808 B1 EP1048808 B1 EP 1048808B1
Authority
EP
European Patent Office
Prior art keywords
drive
lock latch
ratchet
vehicle door
motor vehicle
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.)
Expired - Lifetime
Application number
EP00108495A
Other languages
German (de)
English (en)
Other versions
EP1048808A1 (fr
Inventor
Bernd Weyerstall
Bernardo Erices
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 EP1048808A1 publication Critical patent/EP1048808A1/fr
Application granted granted Critical
Publication of EP1048808B1 publication Critical patent/EP1048808B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E05B81/14—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
    • 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
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • 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
    • E05B81/21—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening with means preventing or detecting pinching of objects or body parts
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S292/00—Closure fasteners
    • Y10S292/23—Vehicle door latches
    • 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 invention relates to a motor vehicle door lock, primarily a motor vehicle side door lock, possibly also a motor vehicle tailgate lock, tailgate lock or - Hood lock, with the features of the preamble of claim 1 or claim 6th
  • auxiliary locking drives have been known for a long time and are now also being used in mid-range vehicles.
  • worm gear drives are often used because they are particularly small to have.
  • the drive element of the locking auxiliary drive is on the The lock latch is coupled in such a way that the lock latch freewheels in the direction of closing can. This takes into account the fact that the Take the motor vehicle door the lock latch in front of the drive element should be able to.
  • a motor especially an electric motor Auxiliary lock drive this switched on after the lock latch first a pre-closing position has reached.
  • the default position is regularly the pre-latch or a position slightly behind the pre-latch in the direction of closing (Blow-out).
  • the lock latch is then motorized to the main closed position, regularly transferred to the main latch on the lock trap.
  • the shipment the lock latch by means of the corresponding drive element of the locking auxiliary drive in the main closed position is associated with the problem that when standing still of the drive element in front of the corresponding force transmission surface Lock latch the motor vehicle door can be blocked. Even during the closing process itself, i.e.
  • the motor vehicle door lock explained above which forms the starting point for the teaching of the invention
  • the triggering criterion is also a pull on the inside opening handle or on the outside opening handle with the motor vehicle door lock unlocked the electric auxiliary opening drive is activated, which then acts on the Pawl works that it is lifted.
  • a first solution is a two-stage gear for the auxiliary opening drive, which in normal operation only in one direction of rotation Normal direction of rotation, works and with a low reduction ratio on the Pawl works, but in emergency operation in the opposite direction of rotation, the emergency direction of rotation, works and with a significantly larger reduction ratio acts on the pawl.
  • An emergency can be viewed, as a sensor on the electric motor drive fixed, reverses the electric motor drive and leaves it in the opposite Direction of rotation, the emergency direction of rotation work.
  • the reduction gear a higher reduction ratio, so that the pawl with a larger Positioning time but sufficient strength can be opened for this emergency.
  • the in the starting point of the motor vehicle door lock with opening aid and Locking aid can be used (DE - A - 197 14 992), the electronic Control recognize when the direction of rotation of the electric motor drive reversed must become. For example, this can be the case if after a specified one Time after the opening command was triggered, the pawl was not lifted has been detected when a too high actuating force is detected (the drive motor pulls higher Current as permissible, the speed of the drive motor drops) if above the known crash sensor, an accident situation has been detected when by Voltage drop in the on-board electrical system or special ambient conditions affect the performance of the electric drive motor is too low when on the emergency power supply has been switched.
  • An alternative approach to solving the problem of high opening forces to be applied in an emergency consists in the establishment of a spring-loaded mechanism, which at Return of the auxiliary opening drive from the open position to the closed position is tensioned and when the opening auxiliary drive is advanced from the closed position to the opening position the forward movement and the lifting movement of the pawl supported with its spring force (DE - C - 197 25 416).
  • the Auxiliary locking drive simultaneously in the opposite direction of rotation as an auxiliary opening drive to use (DE - C - 43 21 586; DE - A - 32 42 527; EP - B - 0 496 736). Since the Auxiliary locking drive is regularly dimensioned much stronger than the auxiliary opening drive, can be achieved with the correct design of the reduction gear the lifting force required for the emergency on the pawl. But you have to in the solutions known in the prior art, complex gear and / or Use lever structures to accommodate the different directions of force action realize.
  • the teaching is based on the problem of specifying how a motor vehicle door lock the generic type can be further structurally simplified and improved, especially taking into account the increased counter forces on the lock latch in Emergency situations.
  • the Auxiliary locking drive is designed for higher driving forces than the auxiliary opening drive.
  • This is used according to the invention in that the auxiliary locking drive to a certain extent is used as an "emergency opening drive".
  • the auxiliary locking drive is used in its additional function as an opening drive only in an emergency situation, in order to be able to apply the higher lifting forces to the pawl. there then you accept a significantly longer opening period.
  • This second use of the auxiliary locking drive despite the presence of an auxiliary opening drive a peculiarity of the teaching of the invention.
  • the drawing shows schematically a motor vehicle door lock in the form of a motor vehicle side door lock.
  • the extensions that apply in the general part of the Description have been addressed.
  • Fig. 1 shows an overview of the motor vehicle door lock with a housing 1 and a lock latch 2 indicated schematically therein, here in the form of a Fork catch.
  • a pawl 3 which here the lock latch 2nd holds in a preliminary catch 2b, would hold in the main closed position in a main catch 2a.
  • An electric auxiliary opening drive 5 is provided, which is only mentioned here in general , the details of which therefore do not have to be explained in more detail. through of the electric auxiliary opening drive 5 can in any case the pawl 3 from the Main catch 2a or the catch 2b of the lock latch 2 are lifted out.
  • auxiliary locking drive 6 which is switched on after the lock latch 2 has reached a pre-closing position, and the lock latch 2 then transferred to the main closed position by motor.
  • the auxiliary locking drive 6 has an electric drive motor not shown here, and one by the shown eccentric drive reversed reduction gear 8, on the eccentric by means of a bearing pin 7, a drive element 9 is mounted, which in turn is then coupled again to the lock latch 2.
  • the latter happens here directly a driver pin 2c on the catch 2, which during the closing movement is advanced by a contact edge 9a on the drive element 9, so that the Lock latch 2 performs its desired rotational movement in the closing direction.
  • Fig. 1 shows a motor vehicle door lock of the type in question, the but does not yet have the features that are particularly relevant according to the invention. On The first exemplary embodiment of the invention, however, is shown in FIG. 2. Here are various parts omitted, shown in Fig. 1, but for the specific invention Function are not important.
  • the auxiliary locking drive 6 can also be operated as an opening drive is.
  • the auxiliary locking drive 6 not only engages on the latch 2, but according to the invention also on the pawl 3. That is in the illustrated embodiment realized in that a driver 9b is attached to the drive element 9 is in the illustrated embodiment directly on a driver 3a Pawl 3 attacks.
  • Fig. 1 shows the construction of the clutch 10 with inclusion a little more precisely of the drive element 9 in the illustrated embodiment. You can recognize it by the output element 12 of the reduction gear a decoupling lever 13, the under Effect of corresponding, possibly arcuate scenes 14, 15 the lifting movement of the drive element 9 as part of the clutch 10 causes.
  • This conception is the subject a parallel, not yet published patent application by the applicant.
  • Fig. 3 shows the rest of the starting position of the auxiliary locking drive 6 of the illustrated Embodiment.
  • Fig. 4 shows another embodiment, in which the drive element 9 does not extend across the lock latch 2 and pawl 3 and allows direct coupling to the pawl 3 there, but in which the pawl 3 has a second arm 3c, with which it in the Area of the bearing pin 7 of the auxiliary locking drive 6 is sufficient.
  • the journal 7 which causes the pawl 3 to be lifted out over the arm 3c when the journal 7 is further rotated counterclockwise.
  • the auxiliary locking drive 6 does not work in a reversing manner here. After transferring the lock latch 2 into the main closed position, the auxiliary locking drive 6 also remains in an open-ready position (position in FIG. 4), which of course is clearly in front of the starting position.
  • the auxiliary locking drive 6 can then reach its starting position again, which is shown in FIG. 3, even if it is shown in the other exemplary embodiment.
  • the coupling 10 is important so that the opening movement of the lock latch 2, which is possible after the pawl 3 has been lifted out, is again not hindered by the drive element 9 of the auxiliary locking drive 6.
  • FIG. 5 Another variant is shown in FIG. 5. It is provided here that the auxiliary locking drive 6 works in a reversing manner after transferring the lock latch 2 into the main closed position (or after an interruption of movement) in the starting position returns and from there with the opposite direction of rotation as Opening drive causes the pawl 3 to be raised.
  • FIG. 5 offers the one not shown in dashed lines Additional variant that has already been discussed in connection with FIG. 4.
  • FIG. 5 can be completed in that that it may even be possible to dispense entirely with the auxiliary opening drive 5. This has been explained in the general part of the description of the prior art Advantages of eliminating a specific drive.
  • the Auxiliary locking drive 6 is always used for the opening function, here one even with either a reversing or a non-reversing control of the locking auxiliary drive 6 could work.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (7)

  1. Serrure de portière de véhicule automobile comportant
    un moraillon (2) et un cliquet (3) maintenant le moraillon (2) dans un cran principal (2a) et un pré-cran (2b),
    une commande auxiliaire d'ouverture électrique (5) qui est activable pour relever le cliquet (3) hors du cran principal (2a) ou du pré-cran (2b) du moraillon dans des conditions de fonctionnement normales,
    une commande auxiliaire de fermeture électrique (6) prévue en plus de la commande auxiliaire d'ouverture (5) et qui est activable une fois que le moraillon (2) a atteint une position de pré-fermeture, afin de transférer ensuite le moraillon (2) de façon motorisée dans la position de fermeture principale dans des conditions de fonctionnement normales, et
    une électronique de commande,
    la commande auxiliaire de fermeture (6) présentant un moteur de propulsion électrique et un réducteur de vitesse (8) qui est couplé côté entraíné à un élément de propulsion (9) placé sur le moraillon (2) et peut être désaccouplé au moyen d'un accouplement (10) en direction du moraillon (2),
    caractérisé en ce que
    la commande auxiliaire de fermeture (6) peut fonctionner également comme commande d'ouverture et s'engrène à cet effet sur le cliquet (3),
    l'électronique de commande présente un capteur qui détecte une situation d'urgence ne correspondant pas aux conditions de fonctionnement normales et
    que l'électronique de commande, en cas de détection d'une situation d'urgence, à la demande d'une fonction d'ouverture, commande la commande auxiliaire de fermeture (6) en tant que commande d'ouverture pour relever le cliquet (3).
  2. Moraillon de portière de véhicule automobile selon la revendication 1, caractérisé en ce que l'accouplement (10) est désaccouplé avant ou au début de la commande de la commande auxiliaire de fermeture (6) en tant que commande d'ouverture.
  3. Moraillon de portière de véhicule automobile selon la revendication 1 ou 2, caractérisé en ce que l'accouplement (10) présente un élément de couplage mécanique pouvant être relevé pour désaccouplement, qui peut être relevé par un actionnement commandé en conséquence de la commande auxiliaire d'ouverture (5) et que l'électronique de commande, en cas de détection d'une situation d'urgence, entraíne d'abord la commande auxiliaire d'ouverture (5) afin de désaccoupler l'accouplement (10).
  4. Moraillon de portière de véhicule automobile selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la commande auxiliaire de fermeture (6) fonctionne en réversion, revient en arrière en position initiale après transfert du moraillon (2) dans sa position de fermeture principale et provoque en partant de là en tant que commande d'ouverture le relèvement du cliquet (3) avec un sens de rotation inverse.
  5. Moraillon de portière de véhicule automobile selon l'une quelconque des revendications 1 à 4, caractérisé en ce que l'élément de commande (9) de la commande auxiliaire de fermeture (6) est un levier de transmission de force ou similaire qui s'engrène aussi bien sur le moraillon (2) que par le biais d'un entraíneur (9b) sur le cliquet (3).
  6. Serrure de portière de véhicule automobile comportant
    un moraillon (2) et un cliquet (3) maintenant le moraillon (2) dans un cran principal (2a) et un pré-cran (2b),
    une commande auxiliaire d'ouverture électrique (5) qui est activable pour relever le cliquet (3) hors du cran principal (2a) ou du pré-cran (2b)) du moraillon dans des conditions de fonctionnement normales,
    une commande auxiliaire de fermeture électrique (6) prévue en plus de la commande auxiliaire d'ouverture (5) et qui est activable une fois que le moraillon (2) a atteint une position de pré-fermeture, afin de transférer ensuite le moraillon (2) de façon motorisée dans la position de fermeture principale dans des conditions de fonctionnement normales, et
    une électronique de commande,
    la commande auxiliaire de fermeture (6) présentant un moteur de propulsion électrique et un réducteur de vitesse (8) qui est couplé côté entraíné à un élément de propulsion (9) placé sur le moraillon (2) et peut être désaccouplé au moyen d'un accouplement (10) en direction du moraillon (2),
    caractérisé en ce que
    l'électronique de commande présente un capteur qui détecte une situation d'urgence ne correspondant pas aux conditions de fonctionnement normales et
    que l'électronique de commande, en cas de détection d'une situation d'urgence, à la demande d'une fonction d'ouverture, commande la commande auxiliaire de fermeture (6) dans le sens de fermeture de sorte que celle-ci déplace le moraillon (2) en surcourse et décharge la surface d'appui du cliquet (3) sur le moraillon (2) et
    que la commande auxiliaire d'ouverture (5) relève le cliquet (3) une fois que le moraillon (2) est déchargé.
  7. Moraillon de portière de véhicule automobile selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la commande auxiliaire d'ouverture (5) maintient le cliquet (3) relevé jusqu'à ce que le moraillon (2) ait atteint sa position d'ouverture.
EP00108495A 1999-04-29 2000-04-19 Serrure de porte de véhicule avec assistance électrique pour l'ouverture et la fermeture Expired - Lifetime EP1048808B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19919765 1999-04-29
DE19919765A DE19919765A1 (de) 1999-04-29 1999-04-29 Kraftfahrzeug-Türschloß o.dgl. mit elektrischer Öffnungshilfe und Schließhilfe

Publications (2)

Publication Number Publication Date
EP1048808A1 EP1048808A1 (fr) 2000-11-02
EP1048808B1 true EP1048808B1 (fr) 2004-10-13

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP00108495A Expired - Lifetime EP1048808B1 (fr) 1999-04-29 2000-04-19 Serrure de porte de véhicule avec assistance électrique pour l'ouverture et la fermeture

Country Status (4)

Country Link
US (1) US6471259B1 (fr)
EP (1) EP1048808B1 (fr)
DE (2) DE19919765A1 (fr)
ES (1) ES2226637T3 (fr)

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US7735883B2 (en) 2006-10-17 2010-06-15 Mitsui Mining & Smelting Co., Ltd. Latch device
US8025320B2 (en) 2006-10-17 2011-09-27 Mitsui Kinzoku Act Corporation Latch device
US11525289B2 (en) 2017-07-17 2022-12-13 Magna Closures Inc. Vehicular closure latch assembly with roller-type latch mechanism and cinch mechanism

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US6471259B1 (en) 2002-10-29
DE50008184D1 (de) 2004-11-18
EP1048808A1 (fr) 2000-11-02
DE19919765A1 (de) 2000-11-09
ES2226637T3 (es) 2005-04-01

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