EP3966412A1 - Serrure de portière de véhicule à moteur - Google Patents

Serrure de portière de véhicule à moteur

Info

Publication number
EP3966412A1
EP3966412A1 EP20723983.1A EP20723983A EP3966412A1 EP 3966412 A1 EP3966412 A1 EP 3966412A1 EP 20723983 A EP20723983 A EP 20723983A EP 3966412 A1 EP3966412 A1 EP 3966412A1
Authority
EP
European Patent Office
Prior art keywords
lever
opening drive
motor vehicle
vehicle door
door 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.)
Pending
Application number
EP20723983.1A
Other languages
German (de)
English (en)
Inventor
Holger Schiffer
Michael Scholz
Ömer INAN
Peter Szegeny
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.)
Kiekert AG
Original Assignee
Kiekert 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 Kiekert AG filed Critical Kiekert AG
Publication of EP3966412A1 publication Critical patent/EP3966412A1/fr
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B79/00—Mounting or connecting vehicle locks or parts thereof
    • E05B79/10—Connections between movable lock parts
    • E05B79/22—Operative connections between handles, sill buttons or lock knobs and the lock unit
    • 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
    • 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
    • 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
    • E05B81/32—Details of the actuator transmission
    • E05B81/42—Cams
    • 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
    • E05B81/50—Powered actuators with automatic return to the neutral position by non-powered means, e.g. by springs

Definitions

  • the invention relates to a motor vehicle door lock with an electromotive opening drive for a locking mechanism, furthermore with a safety unit, and with a handle which can be mechanically coupled to the locking mechanism via a lockable coupling element, especially in the event of a crash.
  • a motor vehicle door lock of the structure described above is described by way of example in DE 10 2012 020 424 A1.
  • a safety unit in the form of a child safety device is implemented here. In conjunction with the opening drive operating on the locking mechanism, the safety device ensures, at least in its “secured” or “safety on” position, that opening of the locking mechanism is prevented.
  • the electromotive or electromechanical or purely electrical opening of a locking mechanism for example by querying a sensor, is becoming increasingly popular in practice and is often referred to as "open-by-wire" here.
  • the sensor may be implemented on an associated handle and may document an operator's request for opening.
  • the electrical opening of the locking mechanism speak in particular a comfortable and low-noise actuation in order to be able to open an associated motor vehicle door.
  • the security unit in this context can be implemented entirely or partially purely in terms of circuit technology or by means of appropriate software specifications.
  • an additional child security sensor can be used to simply switch between the two function positions "child security on” and “child security off", for example.
  • the electromechanical opening drive for the locking mechanism is usually deactivated so that a child or a vehicle occupant in general cannot open the relevant motor vehicle door lock from the inside even when the handle is actuated and the associated sensor is triggered.
  • the invention is based on the technical problem of developing a motor vehicle door lock of this type in such a way that the manufacturing effort is reduced, taking into account a particularly simple construction.
  • the invention proposes in a generic motor vehicle door lock that the electromotive opening drive is reversed in order to take the position “safety on” so that it closes the coupling element and acts on the safety unit to block it, taking into account a freewheel.
  • the electromotive opening drive initially takes on a double or multiple function. On the one hand, it continues to ensure that the lock is "opened electrically". An opening direction of the opening drive regularly corresponds to this. If, on the other hand, the opening drive is reversed in the opposite direction, the safety unit is transferred to its "safety on” position. At the same time, this leads to the coupling element being closed. As a result, the locking mechanism can be acted upon mechanically, in particular opened, with the aid of the handle via the now closed coupling element. Normally, however, the coupling element is opened, so that there is no continuous mechanical connection from the handle to the locking mechanism, which in this case is also not necessary because the electromotive opening drive ensures the locking mechanism is opened.
  • the securing unit is transferred to the “securing on” position, and at the same time the coupling element closed, so that the locking mechanism can then be opened mechanically with the help of the handle, so that the desired mechanical redundancy is achieved.
  • the electromechanical opening drive as a whole and in addition ensures that the safety unit blocks the electromotive opening drive.
  • this blockage is implemented taking into account a freewheel.
  • the safety unit basically blocks the electromotive opening drive, but taking into account the above-mentioned freewheel, that is, at least minor movements of the electromotive opening drive are allowed unchanged in the “safety on” position.
  • the securing unit can generally be a central locking system which, for example, only closes an actuating lever mechanism on a driver's door via the lockable coupling element, so that the locking can be released if necessary via a lock cylinder provided there.
  • the security unit is a “TCR” security unit, ie one that provides “temporary crash redundancy” (TCR).
  • TCR temporary crash redundancy
  • the electromotive opening drive generally has a return spring. Through the return spring, the electromotive Opening drive can easily be returned to a basic position after it has been applied. As a result, the safety unit can be inserted and removed without any problems and the electromotive opening drive can immediately start an electrical opening process for the locking mechanism by taking its basic position, for example when the safety unit is in place. In other words, any delays in such an electrical opening process are expressly not observed according to the invention.
  • the electromotive opening drive is advantageously equipped with a worm wheel with an opening contour working on the release lever for the locking mechanism.
  • the opening contour connected to the worm wheel ensures that the release lever is pivoted.
  • the pivoted release lever for its part typically works on a pawl, which in turn is lifted from its engagement with the catch as a further component of the locking mechanism in the closed position of the locking mechanism.
  • the rotary latch can open with the assistance of a spring and release a previously caught locking bolt.
  • the associated motor vehicle door can then be opened as desired.
  • the safety unit is for its part advantageously equipped with a blocking lever.
  • the blocking lever In the "Safety on” position, the blocking lever is pivoted into a position that may interact with a blocking contour on the opening drive. This means that as soon as the safety unit assumes its “safety on” position, the blocking lever with its swiveled-in position ensures that the opening drive or its blocking contour is blocked, at least when the opening drive is in the direction of a limit this way defined freewheel is moved.
  • the safety unit is also equipped with a transmission lever.
  • the transmission lever is also in the "Safety on” position is pivoted into a position that may interact with the aforementioned blocking contour on the opening drive.
  • the blocking contour on the opening drive is equipped with a blocking lever stop surface for the blocking lever and, in addition, a transmission lever stop surface for the transmission lever.
  • the two abovementioned stop surfaces are located opposite one another on the blocking contour. This means that the opening drive can still run freely in the "Safety on” position.
  • the electromotive opening drive also has a control lever.
  • the transmission lever can be pivoted, at least in the “safety on” position, into a position that interacts with the blocking contour on the opening drive.
  • the control lever ensures that the transfer lever is pivoted or moved in the "safety on” position of the safety unit into a position which, if necessary, leads to an interaction with the transfer lever stop surface on the blocking contour of the opening drive.
  • the transmission lever is usually articulated with a locking lever.
  • the locking lever is also acted upon with the help of the opening drive to take up the "safety on” position and then ensures, through the articulated transmission lever, that the transmission lever swivels into the position that may interact with the blocking contour on the opening drive.
  • the assumption of these respective functional positions is additionally and advantageously supported by a leg spring coupled to the blocking lever, as will be explained in more detail below with reference to the exemplary embodiment.
  • a motor vehicle door lock is made available which, compared to the prior art, dispenses with an additional drive for the safety unit, rather is responsible not only for the electromotive opening of the locking mechanism, but also for the Fuse unit can be installed and designed as required. As a result, the overall design effort is reduced.
  • the electromotive opening drive provides a certain freewheel so that the actuating lever system, which is closed at the same time during this process, works perfectly in the event of a crash, so that redundant mechanical openings are possible without problems and functionally. This is where the main advantages can be seen.
  • FIG. 1 shows the motor vehicle door lock according to the invention in a
  • a motor vehicle door lock is shown in the figures. This initially has an electromotive opening drive 1, 2, 3, 4, 5 or 5a, 5b; 16.
  • the electromotive opening drive 1 to 5; 5a, 5b; 16 operates via a release lever 6 on a locking mechanism 7, 8, only indicated in FIG. 1, consisting of a pawl 7 and a rotary latch 8.
  • a locking bolt 9, also shown there, is secured.
  • Ratchet 7, 8 is opened by a clockwise movement of the pawl 7, indicated in FIG. 1 - caused by a counterclockwise movement of the release lever 6 - because here the pawl 7 is released from its engagement with the rotary latch 8, the locking bolt 9 is removed from the ratchet 7, 8 released.
  • the associated vehicle door can be opened.
  • the motor vehicle door lock shown also has a securing unit 10, 1 1, 12, 13.
  • a Flandhabe Fl shown only in FIG manual opening of the locking mechanism 7, 8 to act again in the counterclockwise direction, as indicated in FIG.
  • the flange handle F1 can be mechanically coupled to the locking mechanism 7, 8 via a lockable coupling element 14 shown in FIG. 4 as part of the actuating lever 14, 15, particularly in the event of a crash.
  • the coupling element 14 is closed, as indicated by a corresponding arrow in FIG. 4. Only in this case is the actuating lever mechanism 14, 15 connected to the Flandhabe F1 continuously closed mechanically, so that the release lever 6 can be acted upon to open the locking mechanism 7, 8.
  • the coupling element 14 is open, so that an application of the flange F1 is empty in this case. That is, the actuating lever mechanism 14, 15 is mechanically closed and otherwise opened only in the event of a crash, because in normal operation the electromotive opening drive 1, 2, 3, 4, 5; 5a, 5b; 16 the opening movement for the locking mechanism 7, 8 makes.
  • the electromotive opening drive 1, 2, 3, 4, 5; 5a, 5b; 16 has in detail an electric motor 1 which, via its output shaft and a worm attached there, sets a worm wheel 2 in rotation, both in a counterclockwise and clockwise direction about an associated axis, as indicated by a double arrow in FIG. 1.
  • the electromotive opening drive is not only equipped with the worm wheel 2, but also with an opening contour 3 (on its rear side) connected to the worm wheel 2 and working on the release lever 6 for the locking mechanism 7, 8.
  • the opening contour 3 is a cam.
  • a contour 4 is connected to the worm wheel 2 (on its front side), with the aid of which an adjusting lever 16, to be explained in more detail below, can be acted upon.
  • the worm wheel 2 also has a blocking contour 5 (on its front side) which has two stop surfaces 5a, 5b.
  • the two stop surfaces 5a, 5b lie opposite one another on two sides of the blocking contour 5.
  • the stop surface 5a is a blocking lever stop surface 5a for a blocking lever 10 to be explained in more detail below.
  • the further second stop surface 5b is designed as a transmission lever stop surface 5b for a transmission lever 1 1, which is also to be described in more detail below (see FIG. 2A). .
  • the securing unit 10, 1 1, 12, 13 has the previously mentioned blocking lever 10, which in the “securing on” position, as shown in FIG. 4, is connected to the blocking contour 5 on the opening drive 1, 2, 3, 4 , 5; 5a, 5b; 16 is pivoted optionally interactive position.
  • the securing unit 10, 1 1, 12, 13 is also equipped with the transmission lever 1 1 already mentioned.
  • the transmission lever 1 1 is also in the “safety on” position according to FIG. 4 in a with the blocking contour 5 on the opening drive 1, 2, 3, 4, 5; 5a, 5b; 16 optionally pivoted interacting position.
  • control lever 16 as a further component of the electromotive opening drive 1, 2, 3, 4, 5; 5a, 5b; 16 ensures that the transmission lever 1 1 is pivoted at least in the “safety on” position according to FIG. 4 into a position that interacts with the blocking contour 5.
  • the transmission lever 1 1 is articulated to a locking lever 12 as a further component of the securing unit 10, 1 1, 12, 13.
  • the securing unit 10, 1 1, 12, 13 also includes a leg spring 13 coupled to the blocking lever 10 and pivotable on the same axis.
  • Fig. 1 the basic position of the motor vehicle door lock according to the invention without inserted security unit 10, 11, 12, 13 is shown. Normal operation corresponds to this.
  • the locking mechanism 7, 8 can now be operated by an electric motor with the aid of the opening drive 1, 2, 3, 4, 5; 5a, 5b; 16 can be opened, as can be seen in the sequence of functions in FIGS. 2A to 2C.
  • the transmission lever 11 is switched with the aid of the control lever 16 and radially outwards moved so that the blockade contour 5 cannot collide with the transmission lever 11 during the transition from FIG. 2B to FIG. 2C.
  • the pivoting of the transmission lever 11 takes place at the end of the locking lever 12 by the articulated coupling implemented there.
  • the opening drive 1, 2, 3, 4, 5; 5a, 5b; 16 braked because the blocking contour 5 moves against a stop 17 on the housing, which can be seen in FIG. 2C.
  • FIGS. 3A to 3C now shows the return flow after the electrical opening process described above.
  • the worm wheel 2 is acted upon by a motor in a counterclockwise direction, so that the opening contour 3 increasingly leaves the release lever 6.
  • the transmission lever 11 can be reset as a result, as can be seen in the transition from FIG. 3A to FIG. 3B.
  • the further return then takes place with the aid of the pretensioned return spring until the basic position is reached as shown in FIG. 3C, which corresponds to the basic position according to FIG.
  • FIG. 4 shows the insertion of the fuse unit 10 to 13 in the sense of “fuse on”.
  • the electromotive opening drive 1, 2, 3, 4, 5; 5a, 5b; 16 reversed, that is, in contrast to the opening process according to FIGS. 2A to 2C, acted upon in a counterclockwise direction, starting from the basic position according to FIGS. 1 to 3C. This can be seen in the transition from FIGS. 1 or 3C to FIG. 4.
  • the blocking contour 5 moves with its stop surface 5b against the transmission lever 11. Since the transmission lever 11 is acted upon, the described counterclockwise movement of the worm wheel 2 simultaneously pivots the locking lever 12 articulated to the transmission lever 11, thereby closing the coupling element 14, as shown in FIG.
  • the actuating lever chain 14, 15 previously opened in normal operation is no longer mechanically interrupted, so that the release lever 6 can now be actuated mechanically redundantly in the counterclockwise direction to open the locking mechanism 7, 8 via the handle H during the "TCR run” described .
  • the leg spring 13 and the blocking lever 10 non-rotatably connected to it are pivoted clockwise during this process.
  • the blocking lever 10 and, as a whole, the securing unit 10, 11, 12, 13 are transferred into a position that may interact with the blocking contour 5.
  • the return spring which is not shown and which is tensioned again during the described counterclockwise movement of the worm wheel 2, then ensures that the worm wheel 2 is returned to its starting position or the basic position according to FIGS. 1 and 3C.
  • FIGS. 5A to 5B the transition to the “fuse off” position is now shown or the “TCR” is shown.
  • the electromotive opening drive 1, 2, 3, 4, 5; 5a, 5b; 16 or the worm wheel 2 move clockwise. This will tension the return spring.
  • the blocking lever 10 still assumes its swiveled-in position and is secured if necessary.
  • the leg spring 13 is tensioned and resets the locking lever 12, as can be seen in the transition from FIG. 5A to FIG. 5B.
  • an electrical opening process can be carried out again with the aid of the opening drive 1, 2, 3, 4, 5; 5a, 5b; 16 can be initiated.
  • the angle of rotation of the worm wheel 2 may be shortened when it is opened for the first time, so that the return spring, not shown, is immediately tensioned and not only after the previously mentioned angle of rotation of approx. 40 ° has been passed.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

L'objet de l'invention est une serrure de portière de véhicule à moteur, laquelle est équipée d'un entraînement d'ouverture électromoteur (1, 2, 3, 4, 5 ; 5a, 5b ; 16) pour un dispositif d'encliquetage (7, 8), et en outre d'une unité de blocage (10, 11, 12, 13), et d'une poignée (H). La poignée (H) peut être accouplée mécaniquement au dispositif d'encliquetage (7, 8) par l'intermédiaire d'un élément d'accouplement (14) pouvant être fermé, en particulier en cas de collision. Selon l'invention, pour occuper la position « blocage activé », l'entraînement d'ouverture électromoteur (1, 2, 3, 4, 5 ; 5a, 5b ; 16) est inversé, de sorte qu'il ferme l'élément d'accouplement (14) et sollicite l'unité de blocage (10, 11, 12, 13) pour son blocage avec prise en compte d'une roue libre.
EP20723983.1A 2019-05-08 2020-04-23 Serrure de portière de véhicule à moteur Pending EP3966412A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019111936.7A DE102019111936A1 (de) 2019-05-08 2019-05-08 Kraftfahrzeugtürschloss
PCT/DE2020/100334 WO2020224707A1 (fr) 2019-05-08 2020-04-23 Serrure de portière de véhicule à moteur

Publications (1)

Publication Number Publication Date
EP3966412A1 true EP3966412A1 (fr) 2022-03-16

Family

ID=70553713

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20723983.1A Pending EP3966412A1 (fr) 2019-05-08 2020-04-23 Serrure de portière de véhicule à moteur

Country Status (4)

Country Link
EP (1) EP3966412A1 (fr)
KR (1) KR20220005078A (fr)
DE (1) DE102019111936A1 (fr)
WO (1) WO2020224707A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019112525A1 (de) * 2019-05-14 2020-11-19 Kiekert Aktiengesellschaft Türschloss, insbesondere Kraftfahrzeug-Türschloss
CN115012747A (zh) * 2021-03-05 2022-09-06 开开特股份公司 机动车锁
FR3122894A1 (fr) * 2021-05-14 2022-11-18 Inteva Products, Llc. Serrure de portière de véhicule
DE102021132141A1 (de) 2021-12-07 2023-06-07 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss
DE102022121657A1 (de) 2022-08-26 2024-02-29 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss
DE102022121655A1 (de) * 2022-08-26 2024-02-29 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202012001960U1 (de) * 2012-02-28 2013-05-29 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss
DE102012020424A1 (de) * 2012-10-18 2014-02-20 Kiekert Aktiengesellschaft Kraftfahrzeugtürschloss
DE102012111298A1 (de) * 2012-11-22 2014-05-22 Kiekert Aktiengesellschaft Kraftfahrzeugtürverschluss
DE102015108738A1 (de) * 2015-06-02 2016-12-08 Kiekert Ag Kraftfahrzeugtürverschluss
US10995525B2 (en) * 2017-09-19 2021-05-04 Kiekert Ag Single rotation release gear blocking lever
DE102017124529A1 (de) * 2017-10-20 2019-04-25 Kiekert Ag Kraftfahrzeugtürschloss

Also Published As

Publication number Publication date
WO2020224707A1 (fr) 2020-11-12
KR20220005078A (ko) 2022-01-12
DE102019111936A1 (de) 2020-11-12

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