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 PDFInfo
- 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
Links
Images
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.
Landscapes
- Lock And Its Accessories (AREA)
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)
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)
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)
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 |
-
1983
- 1983-08-09 DE DE3328667A patent/DE3328667A1/de not_active Withdrawn
-
1984
- 1984-07-24 EP EP84108709A patent/EP0133508B1/fr not_active Expired
- 1984-07-24 AT AT84108709T patent/ATE24945T1/de not_active IP Right Cessation
- 1984-07-24 DE DE8484108709T patent/DE3462058D1/de not_active Expired
Patent Citations (3)
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)
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 |
FR2768764A1 (fr) * | 1997-09-19 | 1999-03-26 | Valeo Systemes De Fermetures | Serrure electrique pour portiere de vehicule |
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 |
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 |
ATE24945T1 (de) | 1987-01-15 |
DE3462058D1 (en) | 1987-02-19 |
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