EP1085148B1 - Serrure à ouverture assistée - Google Patents

Serrure à ouverture assistée Download PDF

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Publication number
EP1085148B1
EP1085148B1 EP00117693A EP00117693A EP1085148B1 EP 1085148 B1 EP1085148 B1 EP 1085148B1 EP 00117693 A EP00117693 A EP 00117693A EP 00117693 A EP00117693 A EP 00117693A EP 1085148 B1 EP1085148 B1 EP 1085148B1
Authority
EP
European Patent Office
Prior art keywords
pawl
door lock
lever
driving cam
stop
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
EP00117693A
Other languages
German (de)
English (en)
Other versions
EP1085148A2 (fr
EP1085148A3 (fr
Inventor
Jürgen Ehret
Martin Lauterwald
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP1085148A2 publication Critical patent/EP1085148A2/fr
Publication of EP1085148A3 publication Critical patent/EP1085148A3/fr
Application granted granted Critical
Publication of EP1085148B1 publication Critical patent/EP1085148B1/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
    • E05B81/54—Electrical circuits
    • E05B81/90—Manual override in case of power failure

Definitions

  • the invention relates to a door lock with a motor-driven Opening aid, in particular for doors, flaps or hoods of motor vehicles, with a latch that is between a one Locking peg releasing and a locking position this pivoting is, a pawl which locks between a lock catch Closed position and a latch releasing position is movable, and a motor-driven, rotating around an axis Driving cam, the pawl in her the latch releasing position, and by a movable stop can be blocked, when locking the door lock the Mit predominantlyokken releases, wherein the drive cam from the engagement area of the Pawl and / or the stop is movable.
  • Such a door lock offers the possibility of the electric drive motor after unlocking the latch by means of a monitoring of Disconnect current consumption of the motor when the driving pin running against the stop and due to the blocked motor power consumption increases.
  • Such electronically monitored shutdown works more reliably than fault-prone microswitches.
  • the object of the present invention is a door lock of to create the type described above, which is a simpler constructive Adaptation to the required opening forces and the existing ones Space allowed.
  • the object is achieved by a door lock of the type described above Art solved in which the drive cam with respect to the axis of revolution between an inner radial position, in which he himself is located outside the engagement area of the pawl and the stop, and an outer radial position in which it is in the engagement area the pawl and the stop lies.
  • the lower actuation forces allow smaller drives and the use of plastic parts, for example for the driving cam, whereby the opening noise can be reduced.
  • the lower one mechanical stress may also allow a temporal Shortening the opening cycle.
  • the control of the movement of the driving cam can be either mechanical positively controlled in both directions, preferably However, the movement of the Mit Converseockens takes place in its radial external position against the action of a prestressable spring, which the for returning the Mit Converseockens in its radial inner position necessary energy stores.
  • the door lock is at least a fixed guide slot provided on which the drive cam when the drive is switched against its exciting spring slides radially outward.
  • the displacement of the driving cam in its radial external position thus takes place by the drive motor of the opening aid, wherein the displacement of the driving cam is completed radially outward before the drive cam engages with the pawl or from the stop is blocked.
  • the driver cam is arranged on a driver lever, the at a rotating about the axis of rotation drive element is pivotally mounted.
  • the pivoting driving lever takes over the Guiding the trajectory of the Mit Skypeockens between his both radial positions.
  • the release of the driving cam when closing the door lock can be realized, for example, that the block lever by the pawl or the opening lever when closing the latch is pivotable, being used as an alternative to that from the orbit of the Mit predominantlyockens pivoting stop and a targeted return the Mit predominantlyockens is conceivable in its radial inner position.
  • the stop could be stationary be.
  • the spring arrangement is bistable designed so that the driving cam is blocked in its radial outward position, with the help of unlocking is traceable to its radial inner layer.
  • a manually operable opening device the basically provided for all door locks with motorized opening aid is and acts on the pawl, even on such unlocking means act and thus ensure that the driver cam from the engagement area of the stop or the pawl or the Opening lever moves.
  • the block lever or the pawl or the opening lever when closing the Lock trap the blockage of the cam in its radial external position for example, by acting on the unlocking canceled.
  • the drive cam bistable trained spring assembly in normal operation always in its radial External position persists and only in case of an emergency opening in his Radial inner layer is returned, however, one during each Umtaufes induced feedback the operational safety in spatially increase close arrangement.
  • the geometry of the Contact surfaces of the driving cam on the pawl or the opening lever and the stop be selected so that the Mitprogressivelyokken in abutment under the driving forces in its radial external position remains.
  • the driving cam returns automatically returns to its inner radial position when the drive motor is turned off and / or the block lever or the pawl or the Opening lever from the path of movement of the Mit predominantlyockens swings.
  • FIG. 1 is a schematic view of a door lock 10 in the closed rest position shown.
  • the door lock 10 has in usual Way about a latch 12, which is between a closed Closed position and releasing a locking pin, not shown open position is pivotable.
  • the door lock 10 also has a motor-driven Opening aid 20, by means of which the pawl 14 in a the Lock latch 12 unlocking position is movable.
  • the opening aid 20 has a driven by an electric motor (not shown) Drive element 22, on which a driving lever 24 with a driving cam 26 is mounted eccentrically pivotable. Between the Drive element 22 and the driving lever 24 is a spring 28, the latter biased in the direction of a rest position in which the Driving cam 26 in a relative to the axis of rotation 30 of the drive element 22 radially inner layer is located. Further, an opening lever 32 provided, which as well as a block lever 34 to a common axis 36 is pivotally mounted. The opening lever 32nd has a contact surface 38, which will be described later Way cooperates with the drive cam 26, and a cam surface 40 which cooperates with a lever arm 42 of the pawl. Further, at the opening lever 32, a lever attachment 44th provided on which an emergency opening device, not shown attacks.
  • the block lever 34 has an actuating lever 46 which is connected to the Opening lever 32 cooperates, and a stop 48, the at a another lever arm is arranged.
  • a microswitch 50 acts with a projection 52 on the lever arm 42 of Pawl 14 together and is capable of the closed position to detect the latch 12.
  • a failure of the drive motor is uncritical under all circumstances, since by pressing the emergency opening aid on the lever lug 44, for example also in the position shown in Fig. 4 of the drive cam 26 is releasable, so that he snap back into its radially inner position can. Since he is in this position regardless of the rotational position outside the engagement area of the stop 48 and the contact surface 38 is a hindrance to manual opening or Closing the door lock 10 excluded.
  • FIG. 6 to 11 show a further embodiment of a door lock 100, which in turn has a latch 102 and a pawl 104, which interact via a catch 106 and between which a Extension spring 108 is provided.
  • an opening aid 110 is provided one of an electric motor (not shown) via a Worm gear (also not shown) driven drive element 112, on which a driving lever 114 with a driving cam 116 is mounted eccentrically pivotable.
  • a pivoting of Mit lovednockens 116 between one with respect to the axis of rotation 118 of the drive element 112 radially further inward and radially outward position.
  • the arrangement the spring 119 see FIG.
  • the driving lever 114 is bistable, i. that he also in its radial external position remains without interfering with the stop surfaces to be instructed.
  • the spring arrangement is chosen so that a Dead center of the driving lever 114 in the vicinity of the radial external position of Mitêtockens 116 results, so that a pivoting of the Mitauerhebels 114 is sufficient for very short distance, this in his snap back radially inner layer.
  • the drive lever has a first actuating cam 120 and a second, further inside actuating cam 122nd
  • a lever arm 124 of the pawl 104 into the orbit of the Mit supportivenockens 116 in its radially outer position, so that no additional Opening lever is necessary.
  • a lever approach 126, on which an emergency unlocking attacks, is directly on the Pawl 104 is provided.
  • the pawl 104 still has a release lever 128, whose function will be discussed later becomes.
  • the lever arm 124 of the pawl also acts directly with an actuating lever 130 of a block lever 132 together, which is pivotally mounted is and has a stop 134, which is in the orbit of the can be pivoted in its radially outer position Mit demandingnockens 116 is.
  • the drive of the opening aid 110 is turned on, that starts Drive element 112 in the counterclockwise direction in the sense of illustration rotate.
  • the cam 116 under continued Rotation of the drive element 112 by pivoting the driving lever 114 moves radially outward (see Fig. 7).
  • the drive cam 116 remains in its radial outward position, too after passing the guide slot 136.
  • Modifications of the previously described embodiments may For example, be that in a bistable spring arrangement According to Fig. 6 to 11, an additional opening lever corresponding to the in Fig. 1 to 5 shown door lock is used or a door lock As shown in FIG. 1 to 5 with a pawl similar to the door lock 100 according to Fig. 6 to 11 is formed without opening lever.
  • the at the Drive element applied driving lever are also more guides the Mit Meetingockens to achieve the desired radial movement conceivable, for example, linear guides on the drive element.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (11)

  1. Serrure de portière à ouverture assistée par moteur (20;110), destinée notamment à des portières, des hayons ou des capots de véhicules automobiles, comportant un loquet (12; 102) pouvant pivoter entre une position libérant un tourillon de fermeture et une position le verrouillant, un cliquet d'arrêt (14; 104) mobile entre une position de fermeture bloquant le loquet (12; 102) de la serrure et une position libérant le loquet (12; 102) de la serrure et une came entraíneuse (26; 116), commandée par moteur et tournant autour d'un axe (30; 118), qui entraíne le cliquet d'arrêt (14; 104) dans sa position libérant le loquet (12; 102) de la serrure et qui peut être bloquée par une butée (48; 134), laquelle libère la came entraíneuse (26; 116) lors du verrouillage de la serrure de portière, la came entraíneuse (26; 106) étant mobile hors de la zone d'intervention du cliquet d'arrêt (14; 104) et / ou de la butée (48; 134) caractérisée par le fait que la came entraíneuse (26; 116) est mobile, par rapport à l'axe de rotation (30; 118) entre une position radiale intérieure, dans laquelle elle se trouve hors de la zone d'intervention du cliquet d'arrêt (14; 104) et de la butée (48; 134), et une position radiale extérieure, dans laquelle elle se trouve dans la zone d'intervention du cliquet d'arrêt (14; 104) et de la butée (48; 134).
  2. Serrure de portière selon la revendication 1 caractérisée par le fait qu'il est prévu au moins une coulisse de guidage fixe (56, 60; 136, 138) sur laquelle la came entraíneuse (26; 116), lorsque la commande est mise en marche, glisse radialement vers l'extérieur contre l'effort d'un ressort (28) qui se tend.
  3. Serrure de portière selon la revendication 1 ou 2 caractérisée par le fait que la came entraíneuse (26; 116) est disposée sur un levier d'entraínement (24; 114), qui est monté pivotant sur un élément de commande (22; 112) tournant autour de l'axe de rotation (30; 118).
  4. Serrure de portière selon l'une des revendications 1 à 3 caractérisée par le fait qu'il est prévu un levier d'ouverture (32), pivotant, distinct du cliquet d'arrêt (14) et monté séparément, qui concoure avec le cliquet d'arrêt (14; 42) et un levier de blocage (34), muni de la butée (48), monté d'une façon pivotante, et pouvant être commandé par la came entraíneuse (26).
  5. Serrure de portière selon la revendication 4 caractérisée par le fait que le cliquet d'arrêt (42) ou le levier d'ouverture peuvent, lors de la fermeture du loquet (12) de la serrure, faire pivoter le levier de blocage (34) qui libère alors la came entraíneuse (26).
  6. Serrure de portière selon l'une des revendications précédentes caractérisée par le fait que le dispositif à ressort est conçu pour être bistable, que la came entraíneuse (116) est bloquée dans sa position radiale extérieure et qu'elle peut être ramenée dans sa position radiale intérieure à l'aide de moyens de déverrouillage (120, 122, 128, 130).
  7. Serrure de portière selon la revendication 6 caractérisée par le fait qu'il est prévu un dispositif d'ouverture (126) pouvant être manoeuvré manuellement, qui agit sur le cliquet d'arrêt (104) et les moyens de déverrouillage (122, 128).
  8. Serrure de portière selon la revendication 6 ou 7 caractérisée par le fait que le levier de blocage (132) ou le cliquet d'arrêt (104) ou, respectivement, le levier d'ouverture supprime, lors de la fermeture du loquet de la serrure (102), le blocage de la came entraíneuse (116) dans sa position radiale extérieure.
  9. Serrure de portière selon l'une des revendications 1 à 5 caractérisée par le fait que la géométrie des surfaces d'application (38, 48) de la came entraíneuse (26) sur le cliquet d'arrêt ou, respectivement, sur le levier d'ouverture (32) et la butée (48) est choisie telle que la came entraíneuse (26) reste, dans sa position radiale extérieure, appliquée sous l'effet des forces de commande.
  10. Serrure de portière selon l'une des revendications précédentes caractérisée par le fait qu'il est prévu des coulisses de guidage (56, 60; 136, 138) dans le sens de rotation de la came entraíneuse (26; 116), une en avant de la surface d'application (38; 124) sur le cliquet d'arrêt (104) et, respectivement, en avant du levier d'ouverture (32) et une en avant de la butée (48; 134) sur le levier de blocage (34; 132).
  11. Serrure de portière selon l'une des revendications précédentes caractérisée par le fait que la came entraíneuse (26; 116) et / ou le levier d'entraínement (24; 114) sont en matière plastique.
EP00117693A 1999-09-16 2000-08-17 Serrure à ouverture assistée Expired - Lifetime EP1085148B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19944407 1999-09-16
DE19944407A DE19944407A1 (de) 1999-09-16 1999-09-16 Türschloß mit Öffnungshilfe

Publications (3)

Publication Number Publication Date
EP1085148A2 EP1085148A2 (fr) 2001-03-21
EP1085148A3 EP1085148A3 (fr) 2004-01-07
EP1085148B1 true EP1085148B1 (fr) 2005-07-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP00117693A Expired - Lifetime EP1085148B1 (fr) 1999-09-16 2000-08-17 Serrure à ouverture assistée

Country Status (3)

Country Link
EP (1) EP1085148B1 (fr)
DE (2) DE19944407A1 (fr)
ES (1) ES2243181T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7946634B2 (en) 2003-07-09 2011-05-24 Kiekert Aktiengesellschaft Vehicle door latch

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19948052A1 (de) * 1999-10-06 2001-04-12 Mannesmann Vdo Ag Öffnungshilfe für Türschlösser
DE10140957A1 (de) * 2001-08-27 2003-03-20 Kiekert Ag Kraftfahrzeugtürverschluss
DE10320445A1 (de) * 2003-05-08 2004-12-16 Kiekert Ag Mehrfunktionshebel
US8474886B2 (en) 2003-07-09 2013-07-02 Kiekert Aktiengesellschaft Vehicle door latch
DE10336418B4 (de) * 2003-08-08 2012-03-01 BÖCO Böddecker & Co. GmbH & Co. KG Drehfallenschloss
US20050134053A1 (en) * 2003-12-23 2005-06-23 Honeywell International, Inc. Storage of actuation energy in automotive door latch
DE102008028133B4 (de) * 2008-06-13 2020-08-27 Kiekert Aktiengesellschaft Sitzverriegelung mit Notfall-Entriegelung
DE102012101092A1 (de) * 2012-02-10 2013-08-14 Huf Hülsbeck & Fürst Gmbh & Co. Kg Schlossanordnung
DE102012102724A1 (de) * 2012-03-29 2013-10-02 Huf Hülsbeck & Fürst Gmbh & Co. Kg Kraftfahrzeugtürverschluss
DE102013016055A1 (de) 2013-09-27 2015-04-02 Kiekert Aktiengesellschaft Schließsystem für ein Kraftfahrzeug

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Publication number Priority date Publication date Assignee Title
US4518181A (en) * 1982-05-28 1985-05-21 Mitsui Kinzoku Kogyo Kabushiki Kaisha Locking device
JP2707637B2 (ja) * 1988-09-30 1998-02-04 アイシン精機株式会社 ラゲージドアロック装置
DE9103472U1 (fr) * 1990-04-11 1991-05-29 Bomoro Bocklenberg & Motte Gmbh & Co Kg, 5600 Wuppertal, De
DE19505779A1 (de) * 1995-02-20 1996-08-29 Bocklenberg & Motte Bomoro Kraftfahrzeug-Klappenschloß, insbesondere Heckklappenschloß
DE19614123A1 (de) * 1996-04-11 1997-10-16 Bosch Gmbh Robert Kraftfahrzeug-Klappenschloß oder -Türschloß
DE19614122B4 (de) * 1996-04-11 2006-04-27 Brose Schließsysteme GmbH & Co.KG Kraftfahrzeug-Klappenschloß oder -Türschloß
DE19725416C1 (de) * 1997-06-17 1999-01-21 Huf Huelsbeck & Fuerst Gmbh Drehfallenschloß, insbesondere für Kraftfahrzeuge
DE19754216C2 (de) * 1997-09-15 2000-09-14 Bosch Gmbh Robert Kraftfahrzeug-Türschließeinrichtung
DE19747211C2 (de) * 1997-10-25 2000-02-17 Bosch Gmbh Robert Kleine motorische Antriebseinrichtung für ein bewegliches Funktionselement in einem Kraftfahrzeug
DE19755695A1 (de) * 1997-12-16 1999-06-17 Huf Huelsbeck & Fuerst Gmbh Drehfallenschloß, insbesondere für Fahrzeuge
DE19805388B4 (de) * 1998-02-11 2006-10-05 Siemens Ag Türschloß mit einer Öffnungshilfe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7946634B2 (en) 2003-07-09 2011-05-24 Kiekert Aktiengesellschaft Vehicle door latch

Also Published As

Publication number Publication date
DE19944407A1 (de) 2001-03-22
DE50010739D1 (de) 2005-08-25
EP1085148A2 (fr) 2001-03-21
EP1085148A3 (fr) 2004-01-07
ES2243181T3 (es) 2005-12-01

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