EP0400209A2 - Commande électrique, notamment pour verrouillage centralisé - Google Patents

Commande électrique, notamment pour verrouillage centralisé Download PDF

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Publication number
EP0400209A2
EP0400209A2 EP89118676A EP89118676A EP0400209A2 EP 0400209 A2 EP0400209 A2 EP 0400209A2 EP 89118676 A EP89118676 A EP 89118676A EP 89118676 A EP89118676 A EP 89118676A EP 0400209 A2 EP0400209 A2 EP 0400209A2
Authority
EP
European Patent Office
Prior art keywords
nut
lever
locking
spindle
blocking
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
EP89118676A
Other languages
German (de)
English (en)
Other versions
EP0400209B1 (fr
EP0400209A3 (fr
Inventor
Gerhard Pfanzer
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 EP0400209A2 publication Critical patent/EP0400209A2/fr
Publication of EP0400209A3 publication Critical patent/EP0400209A3/fr
Application granted granted Critical
Publication of EP0400209B1 publication Critical patent/EP0400209B1/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, for actuating a locking lever and an anti-theft lever on a spindle driven by an electric motor and mounted in a housing, has a nut which is axially displaceable by rotation of the spindle.
  • Actuators of this type are provided in today's motor vehicles for motorized door lock locking and are therefore known.
  • the invention has for its object to provide an actuator of the type mentioned so that with a single motor and a total of only two electrical cables leading to the actuator locking and unlocking a lock and additionally an anti-theft and anti-theft device is possible.
  • the nut is movable with a cam against a cam of a blocking lever which is displaceably arranged parallel to the spindle and which can be displaced by the nut to fix the locking position of the mother by means of the cams into a position against a stop, in that the blocking lever is biased by a spring in the direction of a pivot position releasing the cams of the nut, that a spring-operated turning device is also provided for slightly turning back the spindle and that this turning device can be triggered as soon as the nut has reached the locking position coming from the unlocking position and that Electric motor is switched off.
  • This design ensures that the nut is blocked by the blocking lever when the locking position is reached. This leads to a blocking of the electric motor because the electronics assign a specific energization time to the individual actuating processes. If the electric motor is switched off, the reversing device can slightly reset the nut. As a result, it no longer lies against the blocking lever, so that it can then pivot into a position releasing the nut. The mother can go through energize the electric motor again in the anti-theft position.
  • the reversing device must allow the spindle to rotate freely and may only be tensioned shortly before reaching the locking position in order to be able to slightly turn back the spindle when the locking position is reached and after the electric motor has been switched off.
  • the easiest way to achieve this is if, according to an advantageous embodiment of the invention, the reversing device is arranged on the spindle.
  • the design of the reversing device can also be very different.
  • the reversing device is particularly simple if it has a disk which is fixedly arranged on the spindle and a blocking disk which is connected to it via a spiral spring and is rotatably mounted on the spindle, and if a locking lever which blocks the blocking disk is provided and which is immediately before by means of a driver connection the nut has come from the unlocked position to the locked position, can be moved into a blocking position.
  • the locking disc just before reaching the locking position can be done in a particularly simple manner in that the locking disc has a radial cam and the locking lever is pivotally mounted transversely to the main direction of extension of the spindle and for actuating the locking lever on a biasing the locking lever in the release position, transverse to Blocking lever against spring force movable pressure piece the driver connection is provided.
  • the driver connection is expediently formed by a ramp on the pressure piece, against which the locking lever rests with spring force.
  • a separate spring for the locking lever is unnecessary if, according to another embodiment of the invention, the pressure piece is biased towards the blocking lever by one leg of a leg spring and the other leg of the leg spring biases the locking lever against the ramp in the release position.
  • a pivoting of the locking lever before reaching the locking position can be easily prevented by providing a portion on the locking lever under which the nut comes when the locking lever is moved so that the locking lever pivots is excluded and that the return device is designed to reset the mother up to this section.
  • the blocking lever is prevented from pivoting by the nut shortly before it has reached the locking position. Only when the turning device has turned the nut back after reaching the locking position does it release the blocking lever so that it can then pivot away.
  • the actuating element is designed to be particularly simple in terms of construction if a locking lever is connected to the nut via a disengageable coupling for locking and unlocking the lock and, in addition, an anti-theft lever which can be actuated by the nut after passing the locking position is provided.
  • the anti-theft lever can also be actuated very simply if it is connected to a slide which is arranged displaceably in the housing and which has an extension projecting into the movement path of the nut.
  • the control element shown has in a cuboid-shaped, divided housing 1 parallel to the longest side surface a spindle 2 that fills almost the entire length of the interior stored electric motor 5 combs.
  • this electric motor 5 By means of this electric motor 5, the pinion 4 and the gear 3, the spindle 2 can be rotated in one or the other direction.
  • a nut 6 is non-rotatably, but axially displaceably, which shifts on the spindle 2 when it rotates.
  • a locking lever 8 which can be pivoted about a pivot point 7, projects into the housing 1 of the actuating element.
  • This locking lever 8 can engage in a longitudinal slot 9 of the nut 6 shown in FIG.
  • a disengageable coupling 10 engages with the end of the locking lever 8 when the nut 6 has moved correspondingly far to the left and then moves the locking lever 8 from the unlocking position shown in solid lines to a locking position shown in broken lines.
  • a blocking lever 11 which is axially displaceable and pivotable in the housing 1 in the area of the gear wheel 3 via a semicircular segment.
  • the nut 6 has a cam 12 which can be clearly seen in FIG. 3 and which can move against a cam 13 of the blocking lever 11 when the nut 6 is displaced on the spindle 2 and thereby moves the blocking lever 11 to the left as seen in the drawing.
  • the blocking lever 11 rests with its foremost end against a bevel 14 of a pressure piece 15, which is biased towards the blocking lever 11 by a leg 16 of a leg spring 17.
  • the other leg 18 of the leg spring 17 biases a locking lever 19 in such a way that it bears against the pressure piece 15.
  • the locking lever 19 is pivotally mounted in the housing 1 about an axis 20 extending transversely to the spindle 2.
  • a reversing device 21 which has a disk 22 connected to the spindle 2 in a rotationally fixed manner and an opposite, rotatable blocking disk 23.
  • the blocking disk 23 is connected to the disk 22 by a spiral spring 24 shown in FIG. FIG. 5 also shows that the blocking disk 23 has a radially projecting cam 25 against which the locking lever 19 can move into the locking position.
  • FIG. 2 shows that in addition to the locking lever 8, an anti-theft lever 26 leads into the housing 1 from below.
  • This anti-theft lever 26 is connected to a slider 27 arranged displaceably in the housing 1.
  • This slide 27 has a projection 28 shown in dashed lines in FIG. 1, against which the nut 6 can come if it moves correspondingly far to the left from the unlocking position shown in FIG. 1.
  • FIG. 4 When the electric motor 5 is energized, the nut 6 moves to the left in the drawing.
  • the coupling 10 couples with the locking lever 8 shown in FIGS. 1 and 2 and pivots it counterclockwise. Arrived during this shift the nut 6 with its bone 12 against the cam 13 of the blocking lever 11 shown in FIG. 3 and thereby displaces it to the left.
  • the blocking lever 11 has a portion 29 positioned in FIG. 4, which is gripped by the cam 12 of the nut 11. By moving the blocking lever 11 to the left, the pressure piece 15 is raised against the force of the leg spring 17 by the blocking lever 11 via the slope 14.
  • the pressure piece 15 arrives with a ramp 30 against a projecting area of the locking lever 19 and pivots it against the force of the leg spring 17 in a clockwise direction about the axis 20, so that the locking lever 19 passes over the cam 25 of the blocking disk 23 and therefore does not move can twist more together with the disk 22.
  • the spiral spring 24 shown in FIG. 5 is tensioned.
  • FIG. 6 shows the position of the nut 6 immediately before the electric motor 5 is switched off.
  • the blocking lever 11 has now raised the pressure piece 15 completely and the blocking disk 23 is still blocked by the blocking lever 19.
  • the locking lever 8 shown in Figure 1 now assumes the position shown in broken lines there, i.e. the door lock is locked.
  • the blocking lever 11 now lies with its left end against a housing-fixed stop 31 shown in FIG. 4, so that it prevents the nut 6 from moving further and the electric motor 5 is switched off.
  • the reversing device 21 can slightly turn back the spindle 2 while releasing the spiral spring 24. This causes the mother 6 to move back somewhat and no longer engages under the partial area 29 of the blocking lever 11. Therefore, the pressure piece 15 can press down the front end of the blocking lever 11, as a result of which its cam 13 shown in FIG. 3 reaches outside the engagement area of the cam 12 of the nut 6.
  • FIG. 7 shows the position of the individual parts in the idle state when the electric motor 5 is switched off.
  • the blocking lever 11 is now pivoted far down. Since the pressure piece 15 has moved downward, the locking lever 19 could pivot back into the position releasing the blocking disk 23, so that it can rotate again with the spindle 2. If the electric motor 5 is now energized again, the nut 6 can move freely from the blocking lever 11 to the left. It then takes the slide 27 via the extension 28 shown in FIG. 1, so that the anti-theft lever 26 shown in FIG. 2 comes into the anti-theft position.
  • Figure 8 shows the position of the individual parts in the anti-theft position. It differs from that according to FIG. 7 only in that the nut 6 assumes its left end position. The blocking disc 23 is still not blocked by the blocking lever 19 and the blocking lever 11 is in its pivoted down position.

Landscapes

  • Lock And Its Accessories (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Transmission Devices (AREA)
EP89118676A 1989-05-03 1989-10-07 Commande électrique, notamment pour verrouillage centralisé Expired - Lifetime EP0400209B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3914616A DE3914616A1 (de) 1989-05-03 1989-05-03 Elektromotorisches stellelement, insbesondere fuer eine zentrale tuerverriegelung
DE3914616 1989-05-03

Publications (3)

Publication Number Publication Date
EP0400209A2 true EP0400209A2 (fr) 1990-12-05
EP0400209A3 EP0400209A3 (fr) 1991-07-03
EP0400209B1 EP0400209B1 (fr) 1993-06-16

Family

ID=6380011

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89118676A Expired - Lifetime EP0400209B1 (fr) 1989-05-03 1989-10-07 Commande électrique, notamment pour verrouillage centralisé

Country Status (3)

Country Link
EP (1) EP0400209B1 (fr)
DE (2) DE3914616A1 (fr)
ES (1) ES2041931T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993025784A1 (fr) * 1992-06-12 1993-12-23 Itt Automotive Europe Gmbh Actionneur
DE10006892A1 (de) * 2000-02-16 2001-08-23 Delphi Tech Inc Türschloß

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3716507A1 (de) * 1987-03-07 1988-09-15 Vdo Schindling Vorrichtung zum betaetigen einer zwei endlagen aufweisenden verriegelungseinrichtung an einem kraftfahrzeug-tuerschloss ueber ein hebelelement
DE3803365A1 (de) * 1988-02-05 1989-08-17 Vdo Schindling Vorrichtung zum betaetigen einer verriegelungseinrichtung und einer mit dieser zusammenwirkenden diebstahlsicherungseinrichtung an einem kraftfahrzeugschloss

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993025784A1 (fr) * 1992-06-12 1993-12-23 Itt Automotive Europe Gmbh Actionneur
DE10006892A1 (de) * 2000-02-16 2001-08-23 Delphi Tech Inc Türschloß

Also Published As

Publication number Publication date
ES2041931T3 (es) 1993-12-01
DE3914616A1 (de) 1990-11-08
EP0400209B1 (fr) 1993-06-16
DE58904743D1 (de) 1993-07-22
EP0400209A3 (fr) 1991-07-03

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