EP1081320A1 - Kraftfahrzeug-Türschloss o. dgl. - Google Patents
Kraftfahrzeug-Türschloss o. dgl. Download PDFInfo
- Publication number
- EP1081320A1 EP1081320A1 EP00115802A EP00115802A EP1081320A1 EP 1081320 A1 EP1081320 A1 EP 1081320A1 EP 00115802 A EP00115802 A EP 00115802A EP 00115802 A EP00115802 A EP 00115802A EP 1081320 A1 EP1081320 A1 EP 1081320A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pawl
- motor vehicle
- reduction gear
- motor
- gear
- 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.)
- Withdrawn
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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
Definitions
- the invention relates to a motor vehicle door lock or the like. With the features the preamble of claim 1.
- Motor vehicle door locks or the like of the type in question are door locks for side doors, for rear doors, for tailgates etc. on motor vehicles. Therefore, in the following, the more general term motor vehicle lock is always used used. These motor vehicle locks are usually available with a lock latch and pawl, but in some versions also with a single, direct interact with the striker on the counterpart of the body Latch. Therefore, for the present description, the general Term jack used to cover both variants.
- the electronic control of the motor vehicle lock must recognize when the direction of rotation of the electric drive motor is reversed got to. This can be the case, for example, if after a specified one Time after triggering the opening command, the pawl is not lifted has been detected when a too high actuating force is detected (the electric drive motor draws higher current than permissible, the speed of the electric Drive motor falls off), if via a known crash sensor an accident situation has been identified if the voltage drop on Electrical system or due to special environmental conditions the performance of the electric drive motor is too low when on an emergency power supply has been switched.
- the known motor vehicle lock already realizes the advantage of short positioning times, which in particular in connection with systems for "passive entry" are important.
- Another significant advantage is that the electric drive motor can be designed for normal operation, the reduction gear modified accordingly for emergency operation becomes. So it can be an electric drive motor of relatively low power be used. This enables a small and inexpensive electric motor be used. That has another positive effect for one possibly existing emergency energy supply, which then also only the underperforming must drive electric drive motor, which over the larger reduction ratio of the reduction gear in emergency operation works at the expense of the operating times.
- the reduction gear has practically two stages or gear trains that come into effect as required.
- the reduction gear in any case over that for Excavation of the area of interest which is "certain" Area "has been referred to as a" variable "reduction ratio.
- This demands practically independent of that on the jack acting counterforce from the electric drive motor always the essentially same, maximum available service.
- the "variable" reduction ratio but only comes into its own in a positive way because according to the invention in the drive train between the reduction gear and the Pawl a mechanical energy accumulator is arranged. This allows one Force increase depending on the relative movement between the driven side the reduction gear on the one hand and the pawl on the other. With regard to the energy accumulator itself, this means that it is an input side Movement with a corresponding increase in force allowed without an output side To result in movement.
- a typical energy accumulator is a spring element, for example a helical compression spring, a rubber spring or a gas pressure spring.
- this is the basic one in a particularly clever manner Connection used in the torque of a drive. Will one Drive motor requires a growing torque, the speed drops, when the drive motor is already working at its performance limit. The Speed or positioning speed increases if the speed remains the same Power of the drive motor that is necessary to overcome the counterforce Torque decreases.
- Fig. 1 is a motor vehicle door lock as an example from the prior art o. The like. In the following always the more general term Motor vehicle lock is used.
- the motor vehicle lock shows one Lock latch 1, on an axis 2 on the housing, not shown is stored.
- the lock latch 1 is assigned a pawl 3, which Lock latch 1 in the closed position, here in the main position and preliminary position, holds. Shown is the main click position of lock latch 1 and pawl 3.
- the pawl 3 is mounted on a pawl axis 4.
- An electric drive motor 5 which is shown in FIG Exemplary embodiment as only in one direction of rotation, indicated by the arrow, rotating drive motor 5 is executed. Basically, the electrical Drive motor 5 but also a running in both directions of rotation, that is reversible electric drive motor. Associated with the drive motor 5 is of course an electronic control system that is specific to the door lock or can also be superordinate, at least not shown here.
- a reduction gear 6 is arranged downstream of the drive motor 5, with which the high speed of the electric drive motor 5 to a much lower Drive speed is reduced.
- the reduction gear acts of a motor vehicle lock of the prior art 6 on the output side on the jack 3, which here to this For two-arm purposes.
- an actuating lever 7 is driven, which thereby causes the pawl 3 is coupled that it is formed as a lever arm on the pawl 3.
- the pawl 3 is lifted.
- the increasing reduction ratio of the reduction gear 6 becomes used according to the invention in that in the drive train between the reduction gear 6 and the pawl 3, a mechanical energy accumulator 9 is arranged is.
- This allows in the certain area, namely in the area of Fig. 2 to Fig. 3, an input-side movement with the corresponding Force increase without a movement on the output side, i.e. a movement of the Jack 3, necessarily to have.
- the illustrated and preferred embodiment shows that the Energy store 9 in the illustrated embodiment between the actuating lever 7 or the like. And the pawl 3 is arranged.
- the energy accumulator 9 into the actuating lever 7 or the like, the actuating lever 7 or the like. That is, itself as an energy store, in particular run as an elastic element. For example, you could Realize by a flexible design of the actuating lever 7 or the like.
- a separate Energy storage 9 is present, namely a spring element, which is shown in the Embodiment between operating lever 7 and pawl 3rd sits.
- the spring element as an energy accumulator 9 is only indicated schematically can be present in any conceivable configuration.
- the pawl 3 lifts shortly after the movement of the driver 8 begins in Fig. 2, because the counterforce on the pawl 3 is relatively low, so is realized very short actuation time because of the power of the electric drive motor 5 just used for the quick triggering of the lifting process of the jack can be.
- this motor vehicle lock can be achieved by the electric drive motor 5 approximately the same engine power is always required. in the in one case it is used for a very short positioning time (normal operation), at increased counterforce (emergency operation) increases the opening force the positioning time.
- the construction of the motor vehicle lock according to the invention is very simple and expedient because no special switching and accordingly also no switching point sensors are required.
- the control the reduction gear 6 takes place, so to speak, "automatically”.
Landscapes
- Lock And Its Accessories (AREA)
Abstract
Description
- Fig. 1
- in schematischer Darstellung das Grundprinzip eines Kraftfahrzeug-Türschlosses o. dgl. der in Rede stehenden Art,
- Fig. 2
- in schematischer Darstellung das Funktionsprinzip eines erfindungsgemäßen Kraftfahrzeug-Türschlosses o. dgl., und zwar in der Position des Untersetzungsgetriebes am Anfang des bestimmten Bereiches,
- Fig. 3
- in einer Fig. 2 entsprechenden schematischen Darstellung die Funktionszusammenhänge am Ende des bestimmten Bereiches.
Claims (5)
- Kraftfahrzeug-Türschloß o. dgl.
mit einer Schloßfalle (1) und einer die Schloßfalle (1) in Schließstellung (Hauptrast und ggf. Vorrast) haltenden Sperrklinke (3) oder mit einer integrierten Rastklinke,
mit einem elektrischen Antriebsmotor (5), einem diesem nachgeschalteten Untersetzungsgetriebe (6) und einem vom Untersetzungsgetriebe (6) angetriebenen, mit der Klinke (3) gekuppelten Betätigungshebel (7) o. dgl. zum Ausheben der Klinke (3),
wobei der elektrische Antriebsmotor (5) bei geringer Gegenkraft an der Klinke (3) mit geringem Untersetzungsverhältnis auf die Klinke (3) wirkt und diese schnell aushebt und, bei ungefähr gleicher Motorleistung, bei höherer Gegenkraft an der Klinke (3) mit größerem Untersetzungsverhältnis auf die Klinke (3) wirkt und diese langsamer aushebt,
dadurch gekennzeichnet,
daß für das Ausheben der Klinke (3) nur eine Antriebsrichtung des elektrischen Antriebsmotors (5) vorgesehen ist,
daß das Untersetzungsgetriebe (6) ein über einen bestimmten Bereich in der Antriebsrichtung ansteigendes Untersetzungsverhältnis aufweist und
daß im Antriebszug zwischen dem Untersetzungsgetriebe (6) und der Klinke (3) ein mechanischer Kraftspeicher (9) angeordnet ist, der über den bestimmten Bereich eine eingangsseitige Bewegung bei entsprechendem Kraftanstieg erlaubt, ohne eine ausgangsseitige Bewegung, also eine Bewegung der Klinke (3), zwingend zur Folge zu haben. - Kraftfahrzeugschloß nach Anspruch 1, dadurch gekennzeichnet, daß der Kraftspeicher (9) zwischen dem Betätigungshebel (7) o. dgl. und der Klinke (3) angeordnet ist.
- Kraftfahrzeugschloß nach Anspruch 1, dadurch gekennzeichnet, daß der Kraftspeicher (9) in den Betätigungshebel (7) o. dgl. integriert, der Betätigungshebel (7) o. dgl. also selbst als Kraftspeicher (9) ausgeführt ist.
- Kraftfahrzeugschloß nach Anspruch 1 oder 3, dadurch gekennzeichnet, daß der Kraftspeicher (9) ein Federelement ist.
- Kraftfahrzeugschloß nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Untersetzungsgetriebe (6) als Schneckenradgetriebe oder Zahnradgetriebe mit Kurvengetriebe ausgeführt ist und der Mitnehmer (8) des Schneckenrades bzw. Zahnrades am Betätigungshebel (7) am Anfang des bestimmten Bereiches mit kurzem Hebelarm und einem großen Kraftangriffswinkel angreift und am Ende des bestimmten Bereiches mit langem Hebelarm und einem geringen Kraftangriffswinkel angreift.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19937943A DE19937943A1 (de) | 1999-08-11 | 1999-08-11 | Maximale Leistung für Öffnung eines Elektrodenschlosses |
DE19937943 | 1999-08-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1081320A1 true EP1081320A1 (de) | 2001-03-07 |
Family
ID=7917987
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00115802A Withdrawn EP1081320A1 (de) | 1999-08-11 | 2000-07-22 | Kraftfahrzeug-Türschloss o. dgl. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1081320A1 (de) |
DE (1) | DE19937943A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1253268A2 (de) * | 2001-04-28 | 2002-10-30 | ArvinMeritor Light Vehicle Systems (UK) Ltd | Schliessvorrichtung |
EP1323884A1 (de) * | 2001-12-19 | 2003-07-02 | ArvinMeritor Light Vehicle Systems (UK) Ltd | Fahrzeug |
EP1314841A3 (de) * | 2001-11-21 | 2005-03-23 | ArvinMeritor Light Vehicle Systems (UK) Ltd | Fahrzeugbaugruppe mit einem Türschloss |
WO2005064102A1 (en) * | 2003-12-23 | 2005-07-14 | Honeywell International Inc. | Storage of actuation energy in automotive door latch |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10258390B4 (de) * | 2002-12-12 | 2012-01-26 | Kiekert Ag | Kraftfahrzeugtürverschluss |
DE10258391B4 (de) * | 2002-12-12 | 2012-01-26 | Kiekert Ag | Kraftfahrzeugtürverschluss |
DE10327450B4 (de) * | 2003-06-18 | 2012-04-19 | Kiekert Ag | Kraftfahrzeugtürverschluss |
DE10328475B4 (de) * | 2003-06-25 | 2013-08-29 | Kiekert Ag | Kraftfahrzeugtürverschluss |
DE10332446A1 (de) * | 2003-07-17 | 2005-02-10 | Kiekert Ag | Kraftfahrzeugtürverschluss |
FR2920805B1 (fr) * | 2007-09-11 | 2009-11-06 | Peugeot Citroen Automobiles Sa | Systeme d'assistance a l'ouverture d'une serrure. |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0153231A1 (de) * | 1984-02-13 | 1985-08-28 | ACIERS ET OUTILLAGE PEUGEOT Société dite: | Schloss für eine Kraftfahrzeugtür |
DE19710531A1 (de) * | 1997-03-14 | 1998-09-17 | Bosch Gmbh Robert | Kraftfahrzeug-Türschloß |
DE19725416C1 (de) * | 1997-06-17 | 1999-01-21 | Huf Huelsbeck & Fuerst Gmbh | Drehfallenschloß, insbesondere für Kraftfahrzeuge |
-
1999
- 1999-08-11 DE DE19937943A patent/DE19937943A1/de not_active Ceased
-
2000
- 2000-07-22 EP EP00115802A patent/EP1081320A1/de not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0153231A1 (de) * | 1984-02-13 | 1985-08-28 | ACIERS ET OUTILLAGE PEUGEOT Société dite: | Schloss für eine Kraftfahrzeugtür |
DE19710531A1 (de) * | 1997-03-14 | 1998-09-17 | Bosch Gmbh Robert | Kraftfahrzeug-Türschloß |
DE19725416C1 (de) * | 1997-06-17 | 1999-01-21 | Huf Huelsbeck & Fuerst Gmbh | Drehfallenschloß, insbesondere für Kraftfahrzeuge |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1253268A2 (de) * | 2001-04-28 | 2002-10-30 | ArvinMeritor Light Vehicle Systems (UK) Ltd | Schliessvorrichtung |
EP1253268A3 (de) * | 2001-04-28 | 2004-02-04 | ArvinMeritor Light Vehicle Systems (UK) Ltd | Schliessvorrichtung |
US6773042B2 (en) | 2001-04-28 | 2004-08-10 | Meritor Light Vehicle Systems (Uk) Limited | Latch assembly |
EP1314841A3 (de) * | 2001-11-21 | 2005-03-23 | ArvinMeritor Light Vehicle Systems (UK) Ltd | Fahrzeugbaugruppe mit einem Türschloss |
US6938921B2 (en) | 2001-11-21 | 2005-09-06 | Arvinmeritor Light Vehicle Systems (Uk) Ltd | Vehicle subassembly |
EP1323884A1 (de) * | 2001-12-19 | 2003-07-02 | ArvinMeritor Light Vehicle Systems (UK) Ltd | Fahrzeug |
US6786530B2 (en) | 2001-12-19 | 2004-09-07 | Arvinmeritor Light Vehicle Systems (Uk) Ltd. | Latching mechanism for a vehicle |
WO2005064102A1 (en) * | 2003-12-23 | 2005-07-14 | Honeywell International Inc. | Storage of actuation energy in automotive door latch |
Also Published As
Publication number | Publication date |
---|---|
DE19937943A1 (de) | 2001-03-01 |
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