EP1658410B1 - Serrure de portiere de vehicule automobile - Google Patents

Serrure de portiere de vehicule automobile Download PDF

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Publication number
EP1658410B1
EP1658410B1 EP04762327A EP04762327A EP1658410B1 EP 1658410 B1 EP1658410 B1 EP 1658410B1 EP 04762327 A EP04762327 A EP 04762327A EP 04762327 A EP04762327 A EP 04762327A EP 1658410 B1 EP1658410 B1 EP 1658410B1
Authority
EP
European Patent Office
Prior art keywords
vehicle door
locking mechanism
motor drive
door latch
opening
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
EP04762327A
Other languages
German (de)
English (en)
Other versions
EP1658410A1 (fr
Inventor
Thorsten Bendel
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 EP1658410A1 publication Critical patent/EP1658410A1/fr
Application granted granted Critical
Publication of EP1658410B1 publication Critical patent/EP1658410B1/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
    • 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
    • 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
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5093—For closures
    • Y10T70/5155—Door
    • Y10T70/5199—Swinging door
    • Y10T70/5372—Locking latch bolts, biased
    • Y10T70/5385—Spring projected
    • Y10T70/5389—Manually operable
    • Y10T70/5394—Directly acting dog for exterior, manual, bolt manipulator
    • Y10T70/5416—Exterior manipulator declutched from bolt when dogged

Definitions

  • the invention relates to a motor vehicle door lock, with a locking mechanism, at least one actuating lever for the locking mechanism and a motor drive for opening the locking mechanism.
  • the locking mechanism is mainly composed of a catch and a pawl.
  • Such motor vehicle door locks are well known and are used when such a closure is to be opened electrically. Because the motor drive regularly includes an electric motor.
  • the described electrical opening is exemplified, but not by way of limitation, by a so-called “Keyless Entry” or “Keyless Go” operation.
  • there is an upstream wireless authorization request of an operator willing to enter which, after a positive check, acts on the motor drive to open the locking mechanism so that an associated motor vehicle door can be immediately opened and / or issued. This may be done in addition motor or manually.
  • the motor drive in question provides only for an opening of the associated locking mechanism. That is, this is previously obligatory transferred to the unlocked state, if this is not present.
  • the motor drive can also be used to initially unlock the motor vehicle door lock and then open the locking mechanism.
  • the invention is based on the technical problem of providing a functional, simple and cost-effective solution for a motor vehicle door lock of the generic kind for motorized opening.
  • a generic motor vehicle door lock is characterized in that the motor drive via the operating lever directly acts directly on the locking mechanism and in particular the pawl.
  • the motor drive can be formed reversing and preferably has a driven pulley with front cam and rear angle limiting element.
  • the invention expressly dispenses with additional levers, springs, etc. Rather, it has proven to be sufficient and reliable when the motor drive alone works on the actuating lever, which in turn acts directly on the locking mechanism and here preferably the pawl. Because the solution presented relies on a minimum of required components the manufacturing costs keep particularly low, without dysfunction are to be feared.
  • the rotation angle limiting element cooperates with a fixed stop.
  • This stationary stop may be fixed to the lock case, lock housing, etc.
  • the stop ensures that rotational movements of the motor drive and consequently the driven pulley in the operating and reversing direction are limited.
  • the stop provides two stop surfaces, on the one hand for the rotational angle limiting element moving in the actuating direction and on the other hand for the case in which the rotational angle limiting element is moved in the reversing direction.
  • the actuating lever is largely formed with two arms with actuating arm and release arm.
  • the actuating arm is largely acted upon by the drive, while the release arm works on the locking mechanism and in particular the pawl.
  • the actuating lever may additionally have a third arm, the opening arm, on which a mechanical opening device can engage. This third arm of the operating lever thus ensures that, for example, in case of failed motor drive the locking mechanism can be mechanically opened. It is conceivable here that a lock cylinder works with a cam on this third arm.
  • the procedure is usually such that the motor drive drives the driven pulley in the actuating direction for opening the locking mechanism acted upon until the rotation angle limiting element bears against the stop in an open position.
  • the stopper has two stop surfaces, namely an actuating surface and a reversing surface. In the open position, the rotation angle limiting element bears against the actuating surface of the stop.
  • the opening position is maintained until the locking mechanism is securely opened. It is conceivable to query this locking opening via a sensor, for example on the rotary latch, a rotary latch switch or the like. If the fully opened rotary latch triggers the relevant rotary latch switch, a control unit recognizes that the locking mechanism is open and that the open position can be (again) given up. While the motor drive the driven pulley or the actuating lever acted in its direction of actuation to open the locking mechanism and also in the open position, the actuating lever ensures overall that the pawl is lifted from the catch, so that the catch can open spring-assisted. Only when the safe opening of the locking mechanism is present, the control unit sends a command to the motor drive for reversing.
  • the motor drive acts upon opening the locking mechanism, the actuating lever in its reserve direction until the previously held by the operating lever pawl is released. Since in this situation, the rotary latch is open, lays down the released pawl the catch and can easily occur in a subsequent (manual) closing the motor vehicle door in the catch when it is transferred in this process by a locking pin in the closed position.
  • the opening position of the actuating lever and consequently also the driven pulley can be adjusted and maintained without much effort on the part of the motor drive. Because the operating lever has a spring against which the motor drive must work when opening the locking mechanism. According to the invention, the opposing force built up by this spring now extends radially in the direction of an axis of rotation of the driven pulley, preferably through the cam.
  • the motor drive can even be turned off in the open position or its self-locking forces are sufficient, because the cam is acted upon by the counter-force of the spring only radially in the direction of the axis of rotation of the driven pulley and undergoes no lateral forces. Because these side forces are missing, the cam is rotated by the spring on the operating lever in the open position neither in one direction nor in the other direction. In any case, rotations are blocked in the direction of actuation, because in this respect the rotation angle limiting element bears against the actuating surface of the stop.
  • a motor vehicle door lock which has a locking mechanism 1, 2 of rotary latch 1 and pawl 2 as usual.
  • a motor drive 4, 5, 6, 7 for opening the locking mechanism 1, 2.
  • the motor drive 4, 5, 6, 7 consists of an electric motor 6, a driven pulley 5, arranged on the driven pulley 5 cam or actuating cam 4 and a rotation angle limiting element 7 together.
  • the electric motor 6 is able to move the driven pulley 5 in the clockwise direction and counter to it, thus works - as the entire motor drive 4, 5, 6, 7 - reversing. This is expressed by a double arrow in FIG.
  • the motor drive 4, 5, 6, 7 acts directly on the locking mechanism 1, 2 via the actuating lever 3 alone.
  • the actuating lever 3 is a total of three arms and has an actuating arm 3a, a trigger arm 3b and finally an opening arm 3c.
  • the opening arm 3 c makes it possible, the locking mechanism 1, 2 even with failed motor drive 4, 5, 6, 7 to be able to open, for example mechanically via a lock cylinder or a comparable opening means not explicitly shown. However, this is not mandatory, so that the opening arm 3c is an option within the scope of the invention.
  • actuating arm 3 a which is acted upon by the drive 4, 5, 6, 7, more precisely by the cam 4.
  • trigger arm 3 b which on the ratchet 1, 2, more precisely the pawl 2, is working.
  • the driven pulley 5 is equipped on its rear side with the rotation angle limiting element 7.
  • This rotation angle limiting element 7 cooperates with a stationary stop 8, which may be fastened in the lock housing 13.
  • the fixed stop 8 has two stop surfaces 8a, 8b, namely an actuating surface 8b and a reversing surface 8a.
  • the sensor or switch 10 After a certain adjustment reaches a sensor surface 11, the sensor or switch 10 so that it transmits a first signal to the control unit 12, as shown by the rising edge in the lower part of Fig. 5. This is followed by contact of the cam 4 with the actuating arm 3 a of the actuating lever 3.
  • the motor drive 4, 5, 6, 7 acts on the actuating lever 3 in its actuating direction for opening the locking mechanism 1, 2 (clockwise movement of the driven pulley 5 in front view in FIG. 1) until the rotation angle limiting element 7 abuts the stop 8, more precisely on the actuating surface 8b.
  • This state becomes clear in the transition from FIG. 1 to FIG. 2 and further to FIG. 3.
  • the sensor surface has 11 ensures that the sensor or switch 10 has received a switch-off pulse corresponding to a second signal.
  • the falling edge of the first rectangular pulse in the lower illustration of FIG. 5 has been reached.
  • FIG. 3 The opening position of Fig. 3 now corresponds to the fact that the pawl 2 has been lifted from the maximum of the catch 1, so that the catch 1 rotates spring-assisted in its open position. In this case, the open position shown in FIG. 3 is maintained until the catch 1 has safely reached its open position. This is logically then also for the entire locking mechanism 1, 2. This condition is detected by the sensor or micro switch 9, which is a rotary latch switch.
  • the control unit 12 Due to the secure opening of the locking mechanism 1, 2, the control unit 12 now ensures that the motor drive 4, 5, 6, 7 is acted upon in the reversing direction.
  • the reversing direction corresponds to the fact that the cam 4 and consequently the driven pulley 5 carrying it perform a counterclockwise movement in the front view.
  • the cam 4 moves away from the actuating arm 3a of the actuating lever 3.
  • the motor drive 4, 5, 6, 7 is acted upon in the reversing direction until the pawl 2 previously held by the actuating lever 3 is released.
  • the sensor or switch 10 again registers a switch-on process This process corresponds to the rising edge of the second rectangular pulse in the lower representation of FIG. 5.
  • the rotation angle limiting element 7 reaches the reversing surface 8a of the stop 8. This is shown in FIG , Previously, the sensor surface 11 has generated a switch-off pulse at the switch 10, which corresponds to the falling edge of the second rectangular pulse.
  • the actuating lever 3 in the described process performs the movement shown in the upper view of FIG. 5, with individual selected points and positions are indicated.
  • the counterforce built up by the spring F on the actuating lever 3 extends radially in the direction of the axis 5 'of the driven pulley 5. This is indicated by an arrow in the relevant FIG. 3.
  • the counterforce also passes through the cam 4. In this way, the open position of FIG. 3 can be particularly low power, because lateral forces are eliminated, which could rotate the driven pulley 5 in one direction or the other.
  • FIG. 5 illustrates the movement of the actuating lever 3 in the upper part, while the lower part makes the signals on the sensor 10 clear. Individual exposed times are marked 1 to 7 and are explained below.
  • the electric motor 6 starts or goes high, namely until contact between the cam 4 and the actuating lever 3 occurs at the time 1. This is followed by a working stroke, until the time 2 at which the catch 1 has been substantially released.
  • the operating lever 3 is also further moved, namely by a certain safety angle, until the position 3 is reached. In this position, the operating lever 3 is held.
  • the sensor 10 has sensed the falling edge through the passing sensor surface 11 and, incidentally, the microswitch or rotary latch switch 9 registers that the rotary latch 1 is open.
  • the electric motor 6 continues to run until the driven pulley 5 comes with its rotation angle limiting element 7 against the actuating surface 8b of the stop 8 to the plant. This happens at time 5.
  • the blockage position of the electric motor 6 can be evaluated and serves as a signal for reversing the operation of the electric motor 6. This happens beginning at time 5 to time 6, wherein the electric motor 6 runs high in this reversing direction within this period. After the end of the sensor surface 11 has passed the sensor or switch 10 and thus the second rising edge has been registered by the sensor 10, the release of the pawl 2 begins at time 6. This release of the pawl 2 extends until time 7 , After registering the falling edge on the part of the sensor 10, the electric motor 6 continues unchanged, and although until the rotation angle limiting element 7 reaches the reversing surface 8a of the stop 8 in the position 8. In this case too, the blocking process can be evaluated in order to reverse the direction of movement of the electric motor 6 (again).

Landscapes

  • Lock And Its Accessories (AREA)

Claims (10)

  1. Fermeture de porte de véhicule à moteur, avec un dispositif de blocage (1, 2) au moins un levier de commande (3) pour le dispositif de blocage (1, 2) ainsi qu'un entraînement à moteur (4, 5, 6, 7) pour ouvrir le dispositif de blocage (1,2) caractérisée en ce que l'entraînement à moteur (4, 5, 6, 7) sollicite directement le dispositif de blocage (1,2) par le levier de commande (3) uniquement.
  2. Fermeture de porte de véhicule à moteur selon la revendication 1 caractérisée en ce que l'entraînement à moteur (4, 5, 6, 7) est formé de façon réversible et de préférence présente un disque d'entraînement (5) avec came côté frontal (4) et un élément de limitation d'angle de rotation (7).
  3. Fermeture de porte de véhicule à moteur selon la revendication 2 caractérisée en ce que l'élément de limitation d'angle de rotation (7) coopère avec une butée (8) stationnaire fixée de préférence au boîtier de serrure (13) et limite les mouvements de rotation de l'entraînement à moteur (4, 5, 6, 7) dans les directions de commande et de renversement.
  4. Fermeture de porte de véhicule à moteur selon l'une des revendications 1 à 3 caractérisée en ce que le levier de commandé (3) est formé au moins avec deux bras, un bras de commande (3a) et un bras de déclenchement (3b).
  5. Fermeture de porte de véhicule à moteur selon l'une des revendications 1 à 4 caractérisée en ce que le levier de commande (3) est formé avec trois bras et présente en supplément un bras d'ouverture (3c).
  6. Fermeture de porte de véhicule à moteur selon la revendication 4 ou 5 caractérisée en ce que le bras de commande (3a) est sollicité par l'entraînement (4, 5, 6, 7) alors que le bras de déclenchement (3b) travaille sur le dispositif de blocage (1,2).
  7. Fermeture de porte de véhicule à moteur selon l'une des revendications 1 à 6 caractérisée en ce que l'entraînement à moteur (4, 5, 6, 7) sollicite le levier de commande (3) dans le sens de la commande pour ouvrir le dispositif de blocage (1, 2) jusqu'à ce que l'élément de limitation d'angle de rotation (7) pose sur la butée (8) dans une position d'ouverture.
  8. Fermeture de porte de véhicule à moteur selon la revendication 7 caractérisée en ce que la position d'ouverture est maintenue jusqu'à ce que le dispositif de blocage (1,2) soit ouvert de façon sûre.
  9. Fermeture de porte de véhicule à moteur selon l'une des revendications 1 à 8 caractérisée en ce que après l'ouverture du dispositif de blocage (1,2), l'entraînement à moteur (4, 5, 6, 7) est sollicité dans la direction de renversement jusqu'à ce que le cliquet d'arrêt (2) maintenue auparavant par le levier de commande (3) soit libéré.
  10. Fermeture de porte de véhicule à moteur selon l'une des revendications 1 à 9 caractérisée en ce qu'en position d'ouverture du disque d'entraînement (5), une contre-force générée par un ressort (9) au levier de commande (3) passe de façon radiale par la came (4) dans le sens d'un axe rotatif (5') du disque d'entraînement (5).
EP04762327A 2003-07-09 2004-06-26 Serrure de portiere de vehicule automobile Expired - Lifetime EP1658410B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003131080 DE10331080A1 (de) 2003-07-09 2003-07-09 Kraftfahrzeugtürverschluss
PCT/DE2004/001353 WO2005005757A1 (fr) 2003-07-09 2004-06-26 Serrure de portiere de vehicule automobile

Publications (2)

Publication Number Publication Date
EP1658410A1 EP1658410A1 (fr) 2006-05-24
EP1658410B1 true EP1658410B1 (fr) 2007-05-23

Family

ID=33546941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04762327A Expired - Lifetime EP1658410B1 (fr) 2003-07-09 2004-06-26 Serrure de portiere de vehicule automobile

Country Status (5)

Country Link
US (1) US7946634B2 (fr)
EP (1) EP1658410B1 (fr)
JP (1) JP4772672B2 (fr)
DE (2) DE10331080A1 (fr)
WO (1) WO2005005757A1 (fr)

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KR20070116795A (ko) * 2005-02-18 2007-12-11 메리터 테크놀로지, 아이엔씨. 래치 어셈블리
DE102010003483B4 (de) * 2009-06-12 2019-08-01 Kiekert Ag Schloss mit Zwangsführung für Sperrklinke
DE102011100552A1 (de) * 2010-05-05 2011-11-10 Inteva Products, Llc Fahrzeugtürschloss
GB2480490B (en) * 2010-05-21 2016-06-08 Inteva Products Usa Llc Latch assembly
DE102012023236A1 (de) * 2012-11-28 2014-05-28 Kiekert Aktiengesellschaft Kraftfahrzeugtürschloss
KR20180071434A (ko) * 2016-12-19 2018-06-28 현대자동차주식회사 차량용 테일게이트의 개폐장치
DE102018113595A1 (de) * 2018-06-07 2019-12-12 Kiekert Ag Kraftfahrzeugtürschloss
DE102018114663A1 (de) * 2018-06-19 2019-12-19 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Verriegelungsanordnung für ein Schlosssystem
US20200115933A1 (en) * 2018-10-11 2020-04-16 Inteva Products, Llc Power release latching system
US11339591B2 (en) * 2019-02-12 2022-05-24 GM Global Technology Operations LLC Latch assembly having self re-latching feature
DE102020102109A1 (de) 2020-01-29 2021-07-29 Kiekert Aktiengesellschaft Elektrisch betätigbares Kraftfahrzeugschloss

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JP4474811B2 (ja) * 2000-11-27 2010-06-09 株式会社デンソー ドアロック駆動装置
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DE10140957A1 (de) 2001-08-27 2003-03-20 Kiekert Ag Kraftfahrzeugtürverschluss
DE10143366A1 (de) * 2001-09-04 2003-03-20 Kiekert Ag Kraftfahrzeugtürverschluss
JP2003106023A (ja) * 2001-10-01 2003-04-09 Denso Corp ドアロック駆動装置

Also Published As

Publication number Publication date
JP4772672B2 (ja) 2011-09-14
JP2007506880A (ja) 2007-03-22
DE10331080A1 (de) 2005-01-27
US20070079640A1 (en) 2007-04-12
EP1658410A1 (fr) 2006-05-24
WO2005005757A1 (fr) 2005-01-20
DE502004003899D1 (de) 2007-07-05
US7946634B2 (en) 2011-05-24

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