EP0271635A1 - Elément de réglage électronique - Google Patents

Elément de réglage électronique Download PDF

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Publication number
EP0271635A1
EP0271635A1 EP87110057A EP87110057A EP0271635A1 EP 0271635 A1 EP0271635 A1 EP 0271635A1 EP 87110057 A EP87110057 A EP 87110057A EP 87110057 A EP87110057 A EP 87110057A EP 0271635 A1 EP0271635 A1 EP 0271635A1
Authority
EP
European Patent Office
Prior art keywords
push rod
actuator
spring arm
electromotive
lock
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.)
Granted
Application number
EP87110057A
Other languages
German (de)
English (en)
Other versions
EP0271635B1 (fr
Inventor
Theo Baukholt
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.)
Mannesmann VDO AG
Original Assignee
Mannesmann VDO 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 Mannesmann VDO AG filed Critical Mannesmann VDO AG
Publication of EP0271635A1 publication Critical patent/EP0271635A1/fr
Application granted granted Critical
Publication of EP0271635B1 publication Critical patent/EP0271635B1/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
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/25—Actuators mounted separately from the lock and controlling the lock functions through mechanical connections

Definitions

  • the invention relates to an electromotive actuating element, in particular for a central door lock, which has an actuator which can be driven by an electric motor and which is connected by means of a coupling to a push rod in such a way that the coupling by slightly moving the actuator beyond the end of the push rod by overcoming one Disengaging force disengages.
  • actuators are generally known and used for actuating door locks in central door locks.
  • electromotive actuators of this type it is necessary that manual operation without external energy is possible even in the event of failure of the electrical energy for the electric motor.
  • By uncoupling the connection between the actuator and the push rod in the end positions of the push rod it is achieved that the push rod drive does not have to be actuated when manually operated, which would lead to an undesirably high expenditure of force or, in the case of a self-locking transmission, would even preclude manual actuation.
  • the coupling between the actuator and the The push rod must be ensured that the disengaging forces are higher than the maximum expected actuating forces. Otherwise the clutch would disengage when the lock to be operated is difficult to move and thereby preclude further electromotive operation.
  • the electric motor and the gearbox must therefore be designed for the disengagement force that is considerably higher than the normal actuation force and this disengagement force must be applied each time the lock is actuated.
  • this required driving force can only be partially used as a positioning force.
  • the invention has for its object to design an electromotive actuator of the type mentioned in such a way that the full motor power is always available as the actuating force.
  • Different locks have a different course of the actuating force relative to the actuating stroke. If a relatively large actuating force is required at the beginning of the actuating stroke, then it is expedient if the push rod has an actuating lever receptacle that allows a free stroke in the end positions and this free stroke is equal to or greater than the ineffectiveness ranges of the disengagement lock in the end positions of the push rod. With this design, it is achieved that the disengagement lock becomes effective before the actuating force has risen to a value that could lead to disengagement without the disengagement lock.
  • a structurally particularly simple embodiment of the invention consists in that the coupling is formed by a spring arm of the push rod, which engages over the actuator and can be positively locked with it, and that the disengaging lock runs through a spring at a shorter distance than the disengaging path of the spring arm blocking surface fixed to the housing is formed.
  • the coupling itself can be formed in a very simple manner in that a driver which is directed towards the actuator and a cam which can be moved against the driver is provided on the actuator on the spring arm.
  • the spring arm is then necessarily fully engaged before the clutch reaches the area of the clutch lock, if, according to another embodiment of the invention, the locking surface in the clutch lock area at both ends to the recesses each has a ramp.
  • the actuating element can largely be constructed from conventional components which are customary in the case of actuating elements already built, if the actuator is a spindle nut which can be moved by a threaded spindle.
  • the invention can also be applied to a control element with a rack and pinion drive.
  • a desired disengagement force of the clutch can be achieved in a simple manner by determining the lever length of the spring arm if the spring arm rests against the locking surface with a sliding cam and the driver is arranged near the drive-side end of the push rod at a distance from the sliding cam.
  • the control element shown in FIG. 1 has an electric motor 2 in a housing 1, which is able to drive a threaded spindle 5 via a gear consisting of two gear wheels 3, 4.
  • an actuator 6 is arranged, which in this embodiment is a non-rotatably arranged spindle nut.
  • a push rod 7 engages with a spring arm 8 over the actuator 6.
  • This spring arm 8 has, near its free end, a rounded end 9 directed towards the actuator 6, against which a likewise rounded cam 10 on the actuator 6 can pass.
  • This driver 9 also protrudes slightly on the side facing away from the actuator 6 from the spring arm 8.
  • the spring arm 8 forms a coupling 11 with the driver 9 and the cam 10, through which the push rod 7 can be connected to the actuator 6.
  • a locking surface 12 runs at a short distance from the spring arm 8 along the stroke of the push rod 7.
  • This locking surface 12 has a recess 13, 14 where the driver 9 is in the end positions of the push rod 7.
  • the spring arm 8 can bend into these recesses 13, 14 in the end positions when the cam 10 presses against the driver 9 and thereby enable the cam 10 to pass the driver 9.
  • Ramps 15, 16 ensure that the spring arm 8 inevitably comes into the engagement position when the push rod 7 is lifted, so that it can move along the blocking surface 12.
  • FIG. 1 also shows that the spring arm 8 does not bear a sliding cam 17 against the locking surface 12.
  • the resilient lever arm of the spring arm 8 is precisely fixed, so that when the clutch is disengaged, it is possible to determine precisely disengageable forces.
  • an adjusting lever receptacle 18 in the form of a rectangular hole is provided, into which an adjusting lever 19 shown in FIGS. 2 to 5 engages with play.
  • FIGS. 2 to 5 To explain the operation of the control element described, reference is now made to FIGS. 2 to 5.
  • the actuating lever 19 is pivoted so that a door lock, not shown, is in the open position.
  • the cam 10 of the actuator 6 is located on the left of the driver 9.
  • the push rod 7 can be pushed to the right in the drawing by hand using a key, in order to bring the door lock into the closed position.
  • the actuator 6 remains in the end position shown.
  • the threaded spindle 5 is driven in such a direction of rotation by the electric motor 2 shown in FIG. 1 that the actuator 6 moves to the right.
  • the cam 10 comes against the driver 9, so that the push rod 7 can be moved.
  • a free stroke 20 shown in FIG. 2 it is achieved that the actuating lever 19 only begins to pivot when the driver 9 is below the blocking surface 12, which is shown in FIG.
  • the actuating lever 19 has reached the open position of the door lock.
  • the driver 9 is located below the recess 14. If the actuator 6 now moves further to the right, then the cam 10 presses against the driver 9, which thereby evades toward the recess 14. As a result, the cam 10 can pass the driver 9 as far as the position shown in FIG. 5. In it the push rod 7 is by hand from the closed position to move to the left in the open position without the actuator 6 having to be moved.

Landscapes

  • Lock And Its Accessories (AREA)
EP87110057A 1986-12-16 1987-07-11 Elément de réglage électronique Expired - Lifetime EP0271635B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3642915A DE3642915C2 (de) 1986-12-16 1986-12-16 Elektromotorisches Stellelement insbesondere für eine zentrale Türverriegelung
DE3642915 1986-12-16

Publications (2)

Publication Number Publication Date
EP0271635A1 true EP0271635A1 (fr) 1988-06-22
EP0271635B1 EP0271635B1 (fr) 1990-08-22

Family

ID=6316293

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87110057A Expired - Lifetime EP0271635B1 (fr) 1986-12-16 1987-07-11 Elément de réglage électronique

Country Status (2)

Country Link
EP (1) EP0271635B1 (fr)
DE (1) DE3642915C2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2634245A1 (fr) * 1988-07-12 1990-01-19 Kiekert Gmbh Co Kg Commande electromecanique pour un systeme de verrouillage central sur un vehicule automobile
EP0480134A2 (fr) * 1990-10-11 1992-04-15 VDO Adolf Schindling AG Commande pour serrure de porte de véhicule automobile, avec moteur électrique
WO2000011290A1 (fr) * 1998-08-19 2000-03-02 Meritor Light Vehicle Systems (Uk) Ltd. Verrouillage de portiere
DE202008007719U1 (de) * 2007-12-03 2009-04-16 BROSE SCHLIEßSYSTEME GMBH & CO. KG Schließhilfsantrieb für ein Kraftfahrzeugschloß

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4222365B4 (de) * 1992-07-08 2007-03-01 Siemens Ag Stellelement
DE4413904A1 (de) * 1994-04-21 1995-10-26 Teves Gmbh Alfred Stelleinrichtung für eine Zentralverriegelung mit überrastbaren Federnocken
DE10200153A1 (de) * 2002-01-04 2003-07-17 Lehmann Vertriebsgmbh Elektromotorische Verriegelungsvorrichtung für Möbel
DE10209510A1 (de) * 2002-03-05 2003-09-18 Siemens Ag Stellantrieb
DE102013109369A1 (de) * 2013-08-29 2015-03-05 Dorma Deutschland Gmbh Verriegelungsvorrichtung für ein Trennwandelement

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4520640A (en) * 1981-08-28 1985-06-04 General Motors Corporation Position control mechanism for a vehicle ignition lock

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3443288C1 (de) * 1984-11-28 1986-06-05 Kiekert GmbH & Co KG, 5628 Heiligenhaus Elektromechanischer Antrieb fuer eine Zentralverriegelungsvorrichtung fuer Kraftfahrzeuge

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4520640A (en) * 1981-08-28 1985-06-04 General Motors Corporation Position control mechanism for a vehicle ignition lock

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2634245A1 (fr) * 1988-07-12 1990-01-19 Kiekert Gmbh Co Kg Commande electromecanique pour un systeme de verrouillage central sur un vehicule automobile
EP0480134A2 (fr) * 1990-10-11 1992-04-15 VDO Adolf Schindling AG Commande pour serrure de porte de véhicule automobile, avec moteur électrique
EP0480134A3 (en) * 1990-10-11 1992-09-02 Vdo Adolf Schindling Ag Vehicle door lock control with electric motor
WO2000011290A1 (fr) * 1998-08-19 2000-03-02 Meritor Light Vehicle Systems (Uk) Ltd. Verrouillage de portiere
US6601883B1 (en) 1998-08-19 2003-08-05 Meritor Light Vehicle Systems (Uk) Limited Vehicle door latch
DE202008007719U1 (de) * 2007-12-03 2009-04-16 BROSE SCHLIEßSYSTEME GMBH & CO. KG Schließhilfsantrieb für ein Kraftfahrzeugschloß
US8528948B2 (en) 2007-12-03 2013-09-10 Brose Schliesssysteme Gmbh & Co. Kg Auxiliary locking drive for a motor vehicle lock

Also Published As

Publication number Publication date
DE3642915C2 (de) 1994-08-04
DE3642915A1 (de) 1988-06-30
EP0271635B1 (fr) 1990-08-22

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