EP1225290B1 - Serrure de porte pour véhicule automobile - Google Patents

Serrure de porte pour véhicule automobile Download PDF

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Publication number
EP1225290B1
EP1225290B1 EP20020000945 EP02000945A EP1225290B1 EP 1225290 B1 EP1225290 B1 EP 1225290B1 EP 20020000945 EP20020000945 EP 20020000945 EP 02000945 A EP02000945 A EP 02000945A EP 1225290 B1 EP1225290 B1 EP 1225290B1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
vehicle door
door lock
locking pawl
extension
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
EP20020000945
Other languages
German (de)
English (en)
Other versions
EP1225290A3 (fr
EP1225290A2 (fr
Inventor
Ramana Kongara
James Nelsen
Voytek Marcola
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 EP1225290A2 publication Critical patent/EP1225290A2/fr
Publication of EP1225290A3 publication Critical patent/EP1225290A3/fr
Application granted granted Critical
Publication of EP1225290B1 publication Critical patent/EP1225290B1/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

Definitions

  • the invention relates to a motor vehicle door lock, with a rotary latch and an associated, about an axis rotatably mounted, pawl, and with a pawl drive, wherein the pawl drive by means of a driven pulley acts on a substantially perpendicularly projecting from the pawl extension to release the catch, and wherein the driven pulley has a guide curve for the extension moved along it.
  • a motor vehicle door latch according to the preamble of claim 1 is generally described in US Pat. No. 5,802,894. Comparable embodiments are the subject of DE 297 01 390 U1. In both cases, to trigger the local pawl is a pawl motor, which sets the driven pulley in rotation.
  • U.S. Patent No. 5,020,838 is used.
  • the electric motor is provided at the end with a worm wheel, which engages in a realized at the edge of the driven pulley toothing to the rotation thereof.
  • the output disc performs a counterclockwise movement to actuate the pawl so that the extension on the pawl contacts a stop on the output disc. Consequently, the pawl also rotates counterclockwise and releases the catch.
  • the well-known pawl drive can not satisfy in all respects. So he takes a relatively large amount of space, which can be traced back to the one on the cooperating with the stop on the driven pulley extension on the pawl and on the other independent thereof additional manual release lever.
  • the production costs are not insignificant in such a case.
  • the invention aims to provide a total remedy.
  • the invention is based on the technical problem of further developing such a motor vehicle door lock so that it is as compact as possible while maintaining the same functionality.
  • the invention proposes in a generic motor vehicle door lock, that an axially equal compared to the pawl mounted release lever is realized, which engages with its one end on the extension (13) of the pawl (2) and with its other end with an internal operating lever or the same triggering device is in communication.
  • the guide curve is formed as embedded in the driven pulley spiral curve with end stops.
  • the guide curve is arranged close to the axis in comparison to the axis of rotation of the driven pulley and forms together with an off-axis stop curve a guide slot for the extension.
  • a spiral slot let into the driven pulley may be realized with the end-side stops, which is formed by the guide cam in connection with the stop curve.
  • the driven pulley provides the required guide or guide curve for the extension of the pawl available due to their material thickness, which is usually as substantially rectangular is executed by this projecting guide pin and immersed in the respective spiral slot.
  • the guide slot in the initial position of the pawl drive on a manual lifting of the pawl permitting slot width for the extension.
  • This slot width of the guide slot in the driven pulley decreases continuously in the direction of the end position of the pawl drive.
  • the slot width substantially corresponds to the diameter of the extension, so that the extension in the relevant position (end position of the pawl drive) is held or clamped.
  • the end position of the pawl drive corresponds to a position of the extension of the pawl, which allows in each case a spring-assisted free rotation of the catch.
  • the final position of the pawl drive corresponds to a position of the pawl, which goes beyond the position that is required to release the catch just.
  • the driven pulley is equipped with a mostly helical return spring.
  • the center near the end of the spiral return spring usually engages in a slot of the driven pulley, while the center remote end rests against a stop.
  • the helical return spring can easily accommodate different stress states because the center-distant end can slide along the associated stop.
  • the above-mentioned slot also opens up the possibility of being able to apply a manipulation tool, for example a screwdriver.
  • a manipulation tool for example a screwdriver.
  • This is particularly useful in the event that the motor vehicle door lock described works without additional manual release option for the pawl. Consequently, the pawl can be excavated even with failed pawl drive or for service purposes by using the manipulation tool of the slot on the driven pulley and thus the driven pulley itself is rotated, which moves the extension and thus the pawl.
  • the tripping lever mounted in the same axis as the pawl is provided, which engages with its one end on the extension of the pawl and communicates with its other end with an internal operating lever or similar triggering device.
  • the release lever advantageously uses the remaining space between the drive pulley and pawl space, in which it is coaxially mounted rotatably compared to the pawl.
  • this trigger lever can be a linkage or Bowden cable connect, which is in communication with a manual operating lever, so that the motor vehicle door lock can be opened even with failed drive or for service purposes.
  • the extension formed as a guide pin meets the pawl on a slot width of the spiral slot or guide slot, which allows the described manual release of the pawl.
  • the pawl drive has the already mentioned electric motor, which meshes by means of a worm wheel with an external thread of the driven pulley. Furthermore, at least one rubber stop ensures that the rotational movement of the rotary latch is limited and, moreover, striking noises are avoided.
  • switching elements which interrogate the position of the catch in order to transmit its position to a mandatory control system.
  • These switching elements are usually located in an associated lock housing.
  • An integrated electronic circuit in the switching elements or in the motor vehicle door lock provides for a processing of the detected by the switching elements position signals of the rotary latch and their forwarding via an external connection to the already mentioned control system. This connection is designed as a terminal and also ensures an electrical power supply to the electric motor in the pawl drive.
  • a motor vehicle door lock is shown, which is equipped in its basic features with a rotary latch 1 and the catch 1 in the closed position blocking pawl 2.
  • the rotary latch 1 can assume a pre-latching and main-latching position, as illustrated by the associated stops 3 for the pre-latching position and 4 for the main latching position (see FIG.
  • the basic structure includes a pawl drive 5.
  • This pawl drive 5 is made an electric motor 5a with output shaft and worm gear 5b formed thereon, which meshes with an external thread 5c on a driven pulley 6.
  • the driven pulley 6 is able to perform rotary movements in a clockwise and counterclockwise direction, which are initiated by the electric motor 5a - controlled by a control system 7.
  • the driven pulley 6 (and thus also the electric motor 5 a) automatically returns to its initial position, as shown in FIGS. 1 and 3.
  • This return spring 8 is shown in FIG. 2 on the side facing away from the pawl 2 of the driven pulley 6, ie on its rear side.
  • the spiral return spring 8 engages with its center near end in a slot 9, which is located in an axle extension 10 of the driven pulley 6. Rotations of the slot 9 thus correspond directly to rotations of the driven pulley 6 about its axis 11. The center distant end of the spiral return spring 8 abuts against a stop 12.
  • This lifting takes place in the embodiment of an electric motor by the interaction of a guide curve 15 with the already mentioned extension 13 on the pawl 2.
  • a stop curve 17 is further provided in conjunction with the already mentioned end stop 14b and an initial stop 14a overall form a guide slot 18 for the extension 13.
  • This guide slot 18 is formed as a recessed into the driven pulley 6 spiral slot 18, which positively affects the size of the pawl drive 5 including output disk 6 in comparison to the prior art.
  • the extension 13 moves largely only along the guide cam 15 within the guide slot 18 formed from guide cam 15, stop cam 17 and the stops 14a and 14b.
  • the guide cam 15 is arranged close to the axis compared to the axis of rotation 11 of the driven pulley 6 and formed as well as the contrast mits positioned stop curve 17 a spiral. Consequently, the guide slot 18 also assumes the shape of the spiral slot 18 with the end stops 14a, 14b.
  • the guide slot 18 permits a manual lifting of the pawl 2 in the initial position of the pawl drive (see FIGS. 1 and 3).
  • the guide slot 18 is equipped with a slot width S 1 for the extension 13 at this point, which corresponds to a multiple of the diameter D of the extension 13 (S 1 ⁇ 2.5 D).
  • S 1 ⁇ 2.5 D a multiple of the diameter D of the extension 13
  • the electric motor 5a and the associated worm wheel 5b are arranged substantially evenly in comparison to the driven pulley 6. In a plane parallel thereto, the pawl moves 2. Between these two levels, the already mentioned trigger lever 20 is positioned. In order to realize a compact design as possible, the axis of rotation of the release lever 20 coincides with the axis 19 of the pawl 2, d. H. Release lever 20 and pawl 2 are mounted coaxially with each other.
  • the release lever 20 is equipped with a slot 21 which surrounds the extension 13. Against the force of a pawl spring 22, the release lever 20 can now operate pulling in a clockwise direction, as indicated by the Fig. 1 by an end-side arrow. Because at this point is usually a lever mechanism, a Bowden cable or the like connected, which or which is acted upon by an (inner) operating lever. As a result, the release lever 20 rotates about the axis 19 in a clockwise direction (see Fig. 1) and presses the extension 13 downwards, so that the pawl 2 in the view of Fig. 1 in a clockwise direction and in the context of Fig. 3 to 5 is moved counterclockwise and the catch 1 - supported by a rotary latch spring 23 - comes free.
  • the motor vehicle door lock or the associated pawl drive 5 is under all circumstances in the respective initial position of FIG. 3 - both when switched off as failed electric motor 5a - the already mentioned return spring 8 is provided which builds up the required restoring forces as soon as the driven pulley 6 moves from its initial position shown in Fig. 3 in its end position shown in FIG. This ensures that the release lever 20 can act in the manner described.
  • the electromotive disengagement of the pawl 2 is done as follows. If one starts from the upper position of the pawl 2 according to FIG. 3, it becomes clear during the transition to FIG. 4 that, as the output disk 6 begins to rotate clockwise, the extension 13 abuts increasingly on the guide curve 15.
  • This extension 13 is designed as a substantially perpendicular projecting from the pawl 2 guide pin 13 and immersed almost completely in the guide slot 18 a.
  • the concern with the guide cam 15 occurs approximately when the angular position shown in Fig. 4 of the driven pulley 6 is reached. Now slides the guide pin or extension 13 along the associated spiral guide curve 15 along.
  • switching elements 25, 26 (cf., Fig. 6), with the aid of which the angular position of rotary catch 1 is interrogated and transmitted to control system 7, also belong to the basic structure.
  • simple electric switches 25, 26 are provided in the embodiment, which are designed as on / off switch and report certain rotational positions of the rotary latch 1 to the control system 7.
  • the switching elements 25, 26 connected to an integrated circuit, not expressly shown in the interior of the lock housing 27, which serves the signal conditioning.
  • Output lines of these switching elements 25, 26 are combined with power supply lines for the electric motor 5a as usual to a terminal block, which is connected via a plug with the control system 7 in connection.

Claims (10)

  1. Système de fermeture d'un véhicule automobile, avec
    - un loquet rotatif (1) et un cliquet de positionnement correspondant (2) logé de façon rotative autour d'un axe (19), et avec
    - un entraînement de cliquet de positionnement (5),
    l'entraînement du cliquet de positionnement (5) agissant au moyen d'une poulie réceptrice (6) sur un prolongement (13) dépassant sensiblement à angle droit du cliquet de positionnement (2) pour libérer le loquet rotatif (1) et
    la poulie réceptrice (6) comportant une came de guidage (15) pour le prolongement (13) déplacé sur son long,
    caractérisé en ce que
    - un levier de déclenchement (20) logé sur le même axe par rapport au cliquet de positionnement (2) est réalisé, lequel
    - s'engage par l'une des ses extrémités sur le prolongement (13) du cliquet de positionnement (2) et par son autre extrémité est en liaison avec un levier de manoeuvre interne ou un dispositif de déclenchement similaire.
  2. Système de fermeture d'un véhicule automobile selon la revendication 1, caractérisé en ce que la came de guidage (15) est conçue sous la forme d'une came spiroïdale (15) enchâssée dans la poulie réceptrice (6) avec des butées (14a, 14b) sur ses extrémités.
  3. Système de fermeture d'un véhicule automobile selon la revendication 1 ou 2, caractérisé en ce que la came de guidage (15) est disposée à proximité de l'axe, par rapport à l'axe de rotation (11) de la poulie réceptrice (6) et qu'en association avec une came de butée (17) éloignée de l'axe, elle forme une échancrure de guidage (18) pour le prolongement (13).
  4. Système de fermeture d'un véhicule automobile selon la revendication 3, caractérisé en ce qu'en liaison avec la came de butée (17), la came de guidage (15) forme une échancrure spiroïdale (18) ménagée dans la poulie réceptrice (6), avec les butées d'extrémité (14a, 14b).
  5. Système de fermeture d'un véhicule automobile selon la revendication 3, caractérisé en ce que dans la position initiale de l'entraînement du cliquet de positionnement (5), l'échancrure de guidage (18) présente une largeur d'échancrure (S1) pour le prolongement (13) admettant un soulèvement manuel du cliquet de positionnement (2), qui rétrécit en continu en direction de la position finale de l'entraînement du cliquet de positionnement (5) et qui dans ce cas correspond sensiblement au diamètre (D) du prolongement (13), pour que ce dernier soit maintenu dans la position finale correspondante.
  6. Système de fermeture d'un véhicule automobile selon l'une quelconque des revendications 1 à 5, caractérisé en ce que le prolongement (13) sur le cliquet de positionnement (2) est réalisé sous la forme d'une tige de guidage (13) dépassant sensiblement à angle droit de ce dernier.
  7. Système de fermeture d'un véhicule automobile selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la poulie réceptrice (6) est équipée d'un ressort de rappel (8), de préférence spiroïdal pour l'ensemble de l'entraînement du cliquet de positionnement (5).
  8. Système de fermeture d'un véhicule automobile selon la revendication 7, caractérisé en ce que l'extrémité proche du centre du ressort de rappel spiroïdal (8) s'engage dans une échancrure (9) de la poulie réceptrice (6) pour le logement optionnel d'un outil de manipulation, alors que l'extrémité éloignée du centre s'appuie sur une butée (12).
  9. Système de fermeture d'un véhicule automobile selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'entraînement du cliquet de positionnement (5) comporte un moteur électrique (5a), qui par l'intermédiaire d'une roue hélicoïdale (5b) s'engrène dans un filetage (5c) de la poulie réceptrice (6).
  10. Système de fermeture d'un véhicule automobile selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'on a prévu au moins une butée en caoutchouc (24) pour limiter la rotation du loquet rotatif (1).
EP20020000945 2001-01-23 2002-01-16 Serrure de porte pour véhicule automobile Expired - Lifetime EP1225290B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US767358 1996-12-18
US09/767,358 US6557911B2 (en) 2001-01-23 2001-01-23 Power-open motor-vehicle door latch

Publications (3)

Publication Number Publication Date
EP1225290A2 EP1225290A2 (fr) 2002-07-24
EP1225290A3 EP1225290A3 (fr) 2003-12-10
EP1225290B1 true EP1225290B1 (fr) 2006-07-12

Family

ID=25079233

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020000945 Expired - Lifetime EP1225290B1 (fr) 2001-01-23 2002-01-16 Serrure de porte pour véhicule automobile

Country Status (3)

Country Link
US (1) US6557911B2 (fr)
EP (1) EP1225290B1 (fr)
DE (1) DE50207460D1 (fr)

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DE102007024672A1 (de) * 2007-05-25 2008-11-27 Huf Hülsbeck & Fürst Gmbh & Co. Kg Türschlossbaugruppe
DE202012001960U1 (de) * 2012-02-28 2013-05-29 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss
DE202012001961U1 (de) * 2012-02-28 2013-05-29 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss
DE202012003171U1 (de) 2012-03-28 2013-07-01 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss
DE102012003743A1 (de) 2012-02-28 2013-08-29 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss
DE102017124517A1 (de) 2017-10-20 2019-04-25 Kiekert Ag Kraftfahrzeugschließsystem mit elektrischer Öffnungseinrichtung

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KR102151054B1 (ko) * 2014-06-23 2020-09-02 삼성에스디에스 주식회사 도어락 장치
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US11326368B2 (en) 2017-05-02 2022-05-10 Carrier Corporation Lead screw latch
WO2019063040A1 (fr) * 2017-09-28 2019-04-04 Kiekert Ag Serrure de véhicule à moteur
DE102017124525A1 (de) * 2017-10-20 2019-04-25 Kiekert Ag Kraftfahrzeugtürschloss
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007024672A1 (de) * 2007-05-25 2008-11-27 Huf Hülsbeck & Fürst Gmbh & Co. Kg Türschlossbaugruppe
DE202012001960U1 (de) * 2012-02-28 2013-05-29 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss
DE202012001961U1 (de) * 2012-02-28 2013-05-29 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss
DE102012003743A1 (de) 2012-02-28 2013-08-29 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss
WO2013127382A2 (fr) 2012-02-28 2013-09-06 Kiekert Aktiengesellschaft Fermeture de portière de véhicule à moteur
US9551172B2 (en) 2012-02-28 2017-01-24 Kiekert Aktiengesellschaft Motor-vehicle door lock
DE202012003171U1 (de) 2012-03-28 2013-07-01 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss
WO2013143522A2 (fr) 2012-03-28 2013-10-03 Kiekert Aktiengesellschaft Serrure de porte de véhicule automobile
DE102017124517A1 (de) 2017-10-20 2019-04-25 Kiekert Ag Kraftfahrzeugschließsystem mit elektrischer Öffnungseinrichtung
WO2019076409A1 (fr) 2017-10-20 2019-04-25 Kiekert Ag Système de fermeture de véhicule à moteur comportant un dispositif d'ouverture électrique
US11525288B2 (en) 2017-10-20 2022-12-13 Kiekert Ag Motor vehicle locking system with an electrical opening device

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US20020096889A1 (en) 2002-07-25
EP1225290A3 (fr) 2003-12-10
EP1225290A2 (fr) 2002-07-24
DE50207460D1 (de) 2006-08-24
US6557911B2 (en) 2003-05-06

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