EP0133508A1 - Serrure pour une porte d'automobile, un capot ou similaire, avec un dispositif auxiliaire motorisé de fermeture - Google Patents

Serrure pour une porte d'automobile, un capot ou similaire, avec un dispositif auxiliaire motorisé de fermeture Download PDF

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Publication number
EP0133508A1
EP0133508A1 EP84108709A EP84108709A EP0133508A1 EP 0133508 A1 EP0133508 A1 EP 0133508A1 EP 84108709 A EP84108709 A EP 84108709A EP 84108709 A EP84108709 A EP 84108709A EP 0133508 A1 EP0133508 A1 EP 0133508A1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
vehicle door
lock
door lock
latch
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
EP84108709A
Other languages
German (de)
English (en)
Other versions
EP0133508B1 (fr
Inventor
Hans Steinberg
Bernd Weyerstall
Rolf BRÜCKNER
Günter Weber
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.)
NEIMAN GmbH
Bomoro Bocklenberg and Motte GmbH and Co KG
Original Assignee
NEIMAN GmbH
Bomoro Bocklenberg and Motte GmbH and Co KG
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 NEIMAN GmbH, Bomoro Bocklenberg and Motte GmbH and Co KG filed Critical NEIMAN GmbH
Priority to AT84108709T priority Critical patent/ATE24945T1/de
Publication of EP0133508A1 publication Critical patent/EP0133508A1/fr
Application granted granted Critical
Publication of EP0133508B1 publication Critical patent/EP0133508B1/fr
Expired 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
    • E05B81/20—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening
    • E05B81/21—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening with means preventing or detecting pinching of objects or body parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/20—Bolts or detents
    • E05B85/24—Bolts rotating about an axis
    • E05B85/243—Bolts rotating about an axis with a bifurcated bolt

Definitions

  • the invention relates to a motor vehicle door lock, hood lock or the like.
  • a lock latch preferably a pivotally mounted fork latch, a pawl blocking the latch latch in the closed position, at least one actuating rod for the latch latch and the pawl and one rotating in only one direction of rotation, preferably designed as an electric motor and possibly equipped with a gear auxiliary motor, the auxiliary motor being connected on the output side to a crank arm and the crank arm being pivoted to the actuating rod, the lock latch being able to be moved from a pre-closed position into a main closed position and vice versa by means of the auxiliary motor and at least for the auxiliary motor two breakpoints are provided.
  • the starting point of the teaching of the invention in detail is a known motor vehicle hood lock (see. US-PS 33 78 291), in which the lock latch can be brought into the locking position by hand and locked in this by the pawl, in which also simultaneously when the pawl engages, an electrical switch is actuated and the auxiliary motor is switched on and in which the lock latch and pawl are then pulled together into the lock housing of the hood lock by means of the auxiliary motor.
  • the locking block of this main lock which is firmly attached to the body, serves as an abutment, so that the hood is pulled close to the body by the retracting movement, thus reaching the main closed position.
  • the closed position of the lock latch corresponds to the bottom dead center of the crank arm connected to the auxiliary motor, while the main closed position corresponds to the top dead center of the crank arm.
  • the lock latch is held here by the auxiliary motor itself.
  • a cam disk is arranged coaxially with the crank arm on the auxiliary motor and has two switching cams which interact with a switch and which define the two stopping points of the auxiliary motor.
  • the auxiliary motor itself rotates in only one direction of rotation, which is advantageous in terms of control technology.
  • the invention is based on the object of specifying a motor vehicle door lock, hood lock or the like in which, while maintaining an auxiliary motor with only one direction of rotation, comprehensive protection against injuries or material damage as a result of pinched limbs or Objects is guaranteed.
  • the motor vehicle door lock, hood lock or the like according to the invention in which the above-mentioned object is achieved, is characterized in that the actuating rod is designed as an overload protection element or is provided with an overload protection element and that the actuating rod when a certain compressive force or tensile force is exceeded by their normal working length can be pushed together or pulled apart to an overload length.
  • a closing force of 1,000 N is required and if there is a reduction in the ratio 1: 5 in the motor vehicle door lock according to the invention, the maximum compressive force or tensile force on the actuating rod is 200 N. reaches a compressive force of 200 N, the overload protection element is pushed together so that the normal working length of the actuating rod is shortened.
  • the auxiliary motor can therefore continue to turn the crank arm in the intended direction of rotation without moving the lock latch further.
  • the lock latch can even fall back into the pre-closed position when the stop point assigned to or following the main closed position (stop point II) is reached.
  • the auxiliary motor having to be designed in both directions in a complex manner and without the need for an electronic overload protection circuit for the auxiliary motor, there is nevertheless excellent overload protection of the motor vehicle door lock as a whole and thus excellent protection against injuries or damage to property as a result of trapped limbs or objects guaranteed.
  • the total effective length of the actuating rod with overload protection element must be reduced when a certain compressive force is exceeded.
  • a telescopic actuating rod is expedient.
  • the closest solution to the design of the overload protection element is a coil spring, i. H. a helical compression spring or a helical tension spring.
  • a disc spring column or a plastic spring element would also be conceivable.
  • overload protection elements have in common that the spring force changes largely continuously, mostly more or less proportionally with the spring travel. Without special measures it is therefore difficult to achieve a force / displacement characteristic that shows a largely constant working length until the specific compressive force or tensile force is reached and then a sudden change to the overload length.
  • the overload protection element it is particularly advisable to design the overload protection element as a gas pressure spring that is set to a specific trigger pressure. Hydraulic pressure springs can also be used here in the same way. It is essential to achieve a more or less step-like force / displacement characteristic of the overload protection element.
  • a slip clutch can also be envisaged, particularly in the case of a coaxial arrangement of the auxiliary motor and lever mechanism of the motor vehicle door lock.
  • the actuating rod would be temporarily deactivated, which is equivalent to a shorter (compressive force) or greater (tractive force) overload length.
  • the lock latch both in the To have the locking position and the main locking position locked by the pawl, that is, to form a preliminary catch and a main catch for the pawl on the lock latch. Then namely the lock latch must not be held in the main closed position by the auxiliary motor by means of the actuating rod, but only be brought into the main closed position by the auxiliary motor in order to be held there by the pawl.
  • the stopping points of the auxiliary motor are expediently between the top and bottom dead center of the provided crank arm connected to the auxiliary motor.
  • a motor vehicle door lock it is advisable to provide electrical or electronic scanning and display of the actual position of the pawl, possibly also of the lock latch.
  • the display is expediently in the field of vision of the driver of the motor vehicle so that the driver recognizes that, for example, the rear door is not closed properly.
  • the opening movement of the auxiliary motor is a rotary movement back from the stopping point II to the stopping point I, in the course of which the pawl is opened and the lock latch is released. Due to the inherent elasticity of the seal, however, the corresponding door is generally only moved into the pre-closing position and held there by the ratchet pawl which is re-engaged.
  • an embodiment of the motor vehicle door lock according to the invention is recommended, which is characterized in that an intermediate stopping point corresponding to the opening position of the pawl is provided between the stopping points and the auxiliary motor for continuing from the stopping point to the stop position assigned or following stop can only be switched on after opening the door, hood or the like.
  • auxiliary latch should be able to move the lock latch from the pre-closed position to the main closed position and the pawl from the main latch in accordance with the main closed position of the lock latch via the crank arm and the actuating rod with the overload protection element. In principle, these are mutually opposing movements, which the auxiliary motor should both be able to perform in one revolution.
  • a special embodiment of the motor vehicle door lock according to the invention is recommended, which is characterized in that a circular segment-shaped, pivotable link plate is provided and is pivotally articulated at its end remote from the pivot axis to the actuating rod, that the link plate has an arcuate slot and that in the Elongated hole engages at one end a driver pin of an auxiliary link actuating the lock latch and at the other end a driver pin of the pawl engages.
  • the driving pin of the auxiliary link actuating the lock latch is expediently provided on the end of the elongated hole facing the auxiliary motor and the driving pin of the pawl on the end of the elongated hole remote from the auxiliary motor.
  • the motor vehicle door lock shown in FIG. 1 is intended for the rear door 1 of a combination motor vehicle.
  • the lock cylinder 2 for external actuation can be seen on this door 1.
  • a locking block on the door frame corresponding to the motor vehicle door lock in door 1 is not shown.
  • the motor vehicle door lock initially has a lock latch 3, namely a pivotally mounted fork latch, a pawl 4 locking the latch latch 3 in the closed position (largely covered in FIG. 1 and therefore drawn in broken lines), an actuating rod 5 for the latch latch 3 and the pawl 4 and an auxiliary motor 6 (indicated schematically).
  • the auxiliary motor 6 is designed as an electric motor rotating in only one direction of rotation and is connected on the output side to a crank arm 7, which is only indicated.
  • the crank arm 7 is pivotally connected to the actuating rod 5.
  • the lock latch 3 can be brought from a pre-closing position into a main closing position and vice versa by means of the auxiliary motor 6, two stopping points I, II being initially provided for the auxiliary motor.
  • the actuating rod 5 is provided with an overload protection element 8 and can be pushed together from its normal working length to an overload length when a certain compressive force is exceeded.
  • the actuating rod 5 is formed telescoped and the overload protection element 8 is designed as a set to a specific triggering pressure gas compression spring which is integrated in the telescopically formed actuating rod. 5
  • Fig. 1 it can be clearly seen that the lock latch 3 can be locked by the pawl 4 both in the pre-closed position and in the main closed position (preliminary catch 9 and main catch 10) and that the breakpoints I, II of the auxiliary motor 6 between the upper and the lower Dead center of the crank arm 7 connected to the auxiliary motor 6 are provided.
  • an intermediate stopping point III is provided between the stopping points I, II, which corresponds to the opening position of the pawl 4.
  • the auxiliary motor 6 can only be switched on from the intermediate stopping point III to the stopping position I assigned or following stopping point I after the door 1 has been opened, so that there is enough time for an operator to open the door 1.
  • Fig. 1 shows a particularly preferred embodiment of a motor vehicle door lock according to the invention, as a circular segment-shaped, pivotable link plate 11 is provided which is pivotally articulated on its end 13 remote from the pivot axis 12 to the actuating rod 5 and has an arcuate slot 14. At one end a driver pin 15 of an auxiliary link 16 actuating the lock latch 3 and at the other end a driver pin 17 of the pawl 4 engages in the elongated hole 14 of the link plate 11.
  • auxiliary motor 6 starts again and moves the crank arm 7 further from the stopping point II.
  • the auxiliary motor 6 comes to a standstill, which is shown in FIG. 5.
  • Fig. 5 clearly shows that the pawl 4 is here in the fully open position and that the lock latch 3 can accordingly be pivoted by hand into the open position. The door 1 can be opened easily.
  • the effect of the actuating rod 5 provided with an overload protection element 8 becomes apparent when the auxiliary motor 6 moves with the crank arm 7 from the position shown in FIG. 2 to the position shown in FIG. 4. If an object is jammed between the door 1 and the door frame, the lock latch 3 cannot be pivoted into the main closed position.
  • the actuating rod 5 with the overload protection element 8 is pushed together at a certain compressive force to its overload length, so that the auxiliary motor 6 with the crank arm 7 can pass from the stopping point I to the stopping point II without the link plate 11 having to be pivoted fully downwards.
EP84108709A 1983-08-09 1984-07-24 Serrure pour une porte d'automobile, un capot ou similaire, avec un dispositif auxiliaire motorisé de fermeture Expired EP0133508B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84108709T ATE24945T1 (de) 1983-08-09 1984-07-24 Kraftfahrzeug-tuerschloss, -haubenschloss od. dgl. mit motorischer schliesshilfe.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3328667 1983-08-09
DE3328667A DE3328667A1 (de) 1983-08-09 1983-08-09 Kraftfahrzeug-tuerschloss, -haubenschloss od. dgl. mit motorischer schliesshilfe

Publications (2)

Publication Number Publication Date
EP0133508A1 true EP0133508A1 (fr) 1985-02-27
EP0133508B1 EP0133508B1 (fr) 1987-01-14

Family

ID=6206103

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84108709A Expired EP0133508B1 (fr) 1983-08-09 1984-07-24 Serrure pour une porte d'automobile, un capot ou similaire, avec un dispositif auxiliaire motorisé de fermeture

Country Status (3)

Country Link
EP (1) EP0133508B1 (fr)
AT (1) ATE24945T1 (fr)
DE (2) DE3328667A1 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2622242A1 (fr) * 1987-07-29 1989-04-28 Kiekert Gmbh Co Kg Serrure pour portieres de vehicules automobiles
DE3743282A1 (de) * 1987-12-19 1989-07-06 Bayerische Motoren Werke Ag Verriegelungseinrichtung mit verstellantrieb
FR2726846A1 (fr) * 1994-11-14 1996-05-15 Valeo Securite Habitacle Systeme de fermeture et d'ouverture des ouvrants d'un vehicule dotes de serrures electriques
US5626867A (en) * 1992-03-17 1997-05-06 Max-Planck Gesellschaft Zur Forderung Der Wissenschaften E.V. Liposomes with a negative excess charge
US5843475A (en) * 1996-12-06 1998-12-01 Board Of Regents, The University Of Texas System Delivery and activation through liposome incorporation of diaminocyclohexane platinum (II) complexes
EP0903457A1 (fr) * 1997-09-19 1999-03-24 Valeo Securite Habitacle Serrure electrique pour portière de véhicule
FR2768761A1 (fr) * 1997-09-19 1999-03-26 Valeo Systemes De Fermetures Serrure electrique pour portiere de vehicule, comportant des moyens d'assistance a la fermeture et a l'ouverture
FR2772063A1 (fr) * 1997-12-09 1999-06-11 Rene Ruchat Dispositif de fermeture du bord arriere d'une porte coulissante de vehicule
WO1999049159A1 (fr) * 1998-03-23 1999-09-30 Huf Hülsbeck & Fürst Gmbh & Co. Kg Serrure de porte dotee d'un loquet rotatif et destinee notamment a des vehicules
GB2359111A (en) * 2000-02-14 2001-08-15 Surelock Mcgill Ltd Lock Mechanism
DE102004033035A1 (de) * 2004-07-07 2006-02-02 Huf Hülsbeck & Fürst Gmbh & Co. Kg Vorrichtung zum Zuziehen einer geöffneten Klappe oder Tür eines Fahrzeugs an die Karosserie
WO2008145668A1 (fr) * 2007-06-01 2008-12-04 Valeo Securite Habitacle Serrure electrique a assistance de fermeture pour ouvrant de vehicule automobile
WO2012155882A1 (fr) * 2011-05-13 2012-11-22 Kiekert Aktiengesellschaft Verrouillage de portière de véhicule à moteur
US20200024874A1 (en) * 2018-07-19 2020-01-23 Brose Schliesssysteme Gmbh & Co. Kommanditgesellschaft Motor vehicle lock
US11359418B2 (en) 2018-07-19 2022-06-14 Brose Schliesssysteme Gmbh & Co. Kg Motor vehicle lock

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3807087A1 (de) * 1988-03-04 1989-09-14 Audi Ag Schliessvorrichtung fuer die heckklappe eines kraftfahrzeuges
JPH0516364Y2 (fr) * 1988-09-30 1993-04-28
DE3931866C1 (fr) * 1989-09-23 1991-03-21 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
DE10100154A1 (de) * 2001-01-03 2002-07-18 Siemens Ag Kraftübertragung mit Überlastschutz
DE10123187B4 (de) * 2001-05-12 2014-02-20 Bayerische Motoren Werke Aktiengesellschaft Schloss mit motorischer Schließeinrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378291A (en) * 1966-04-25 1968-04-16 Gen Motors Corp Closure latch
DE3124786A1 (de) * 1980-07-02 1982-06-24 Terenzio Varese Sessa "schloss fuer fahrzeugtueren"
FR2518621A1 (fr) * 1981-12-21 1983-06-24 Kiekert Gmbh Co Kg Serrure pour porte de vehicule automobile

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3378291A (en) * 1966-04-25 1968-04-16 Gen Motors Corp Closure latch
DE3124786A1 (de) * 1980-07-02 1982-06-24 Terenzio Varese Sessa "schloss fuer fahrzeugtueren"
FR2518621A1 (fr) * 1981-12-21 1983-06-24 Kiekert Gmbh Co Kg Serrure pour porte de vehicule automobile

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2622242A1 (fr) * 1987-07-29 1989-04-28 Kiekert Gmbh Co Kg Serrure pour portieres de vehicules automobiles
DE3743282A1 (de) * 1987-12-19 1989-07-06 Bayerische Motoren Werke Ag Verriegelungseinrichtung mit verstellantrieb
US5626867A (en) * 1992-03-17 1997-05-06 Max-Planck Gesellschaft Zur Forderung Der Wissenschaften E.V. Liposomes with a negative excess charge
FR2726846A1 (fr) * 1994-11-14 1996-05-15 Valeo Securite Habitacle Systeme de fermeture et d'ouverture des ouvrants d'un vehicule dotes de serrures electriques
US5843475A (en) * 1996-12-06 1998-12-01 Board Of Regents, The University Of Texas System Delivery and activation through liposome incorporation of diaminocyclohexane platinum (II) complexes
FR2768761A1 (fr) * 1997-09-19 1999-03-26 Valeo Systemes De Fermetures Serrure electrique pour portiere de vehicule, comportant des moyens d'assistance a la fermeture et a l'ouverture
FR2768764A1 (fr) * 1997-09-19 1999-03-26 Valeo Systemes De Fermetures Serrure electrique pour portiere de vehicule
US6003910A (en) * 1997-09-19 1999-12-21 Valeo Securite Habitacle Electric lock for vehicle door
EP0903457A1 (fr) * 1997-09-19 1999-03-24 Valeo Securite Habitacle Serrure electrique pour portière de véhicule
FR2772063A1 (fr) * 1997-12-09 1999-06-11 Rene Ruchat Dispositif de fermeture du bord arriere d'une porte coulissante de vehicule
WO1999029989A1 (fr) * 1997-12-09 1999-06-17 Ruchat Rene Dispositif de fermeture du bord arriere d'une porte coulissante de vehicule
US6568720B1 (en) 1998-03-23 2003-05-27 Huf Hülsbeck & Fürst Gmbh & Co. Kg Door lock with roller catch, especially for motor vehicles
WO1999049159A1 (fr) * 1998-03-23 1999-09-30 Huf Hülsbeck & Fürst Gmbh & Co. Kg Serrure de porte dotee d'un loquet rotatif et destinee notamment a des vehicules
AU740850B2 (en) * 1998-03-23 2001-11-15 Huf Hulsbeck & Furst Gmbh & Co. Kg Door lock with roller catch, especially for motor vehicles
GB2359111A (en) * 2000-02-14 2001-08-15 Surelock Mcgill Ltd Lock Mechanism
GB2359111B (en) * 2000-02-14 2003-12-17 Surelock Mcgill Ltd Lock mechanism
DE102004033035A1 (de) * 2004-07-07 2006-02-02 Huf Hülsbeck & Fürst Gmbh & Co. Kg Vorrichtung zum Zuziehen einer geöffneten Klappe oder Tür eines Fahrzeugs an die Karosserie
WO2008145668A1 (fr) * 2007-06-01 2008-12-04 Valeo Securite Habitacle Serrure electrique a assistance de fermeture pour ouvrant de vehicule automobile
FR2916788A1 (fr) * 2007-06-01 2008-12-05 Valeo Securite Habitacle Sas Serrure electrique a assistance de fermeture pour ouvrant de vehicule automobile
US8684424B2 (en) 2007-06-01 2014-04-01 Valeo Securite Habitacle Closing assisted electric lock for opening of automobile
WO2012155882A1 (fr) * 2011-05-13 2012-11-22 Kiekert Aktiengesellschaft Verrouillage de portière de véhicule à moteur
US20200024874A1 (en) * 2018-07-19 2020-01-23 Brose Schliesssysteme Gmbh & Co. Kommanditgesellschaft Motor vehicle lock
US11359418B2 (en) 2018-07-19 2022-06-14 Brose Schliesssysteme Gmbh & Co. Kg Motor vehicle lock
US11619078B2 (en) * 2018-07-19 2023-04-04 Brose Schliesssysteme Gmbh & Co. Kommanditgesellschaft Motor vehicle lock

Also Published As

Publication number Publication date
DE3328667A1 (de) 1985-02-21
EP0133508B1 (fr) 1987-01-14
DE3462058D1 (en) 1987-02-19
ATE24945T1 (de) 1987-01-15

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