EP2820216B1 - Kraftfahrzeugtürverschluss - Google Patents

Kraftfahrzeugtürverschluss Download PDF

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Publication number
EP2820216B1
EP2820216B1 EP13719707.5A EP13719707A EP2820216B1 EP 2820216 B1 EP2820216 B1 EP 2820216B1 EP 13719707 A EP13719707 A EP 13719707A EP 2820216 B1 EP2820216 B1 EP 2820216B1
Authority
EP
European Patent Office
Prior art keywords
lever
vehicle door
door lock
electric drive
motor vehicle
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.)
Active
Application number
EP13719707.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2820216A2 (de
Inventor
Christian Barmscheidt
Alexander Grossmann
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 EP2820216A2 publication Critical patent/EP2820216A2/de
Application granted granted Critical
Publication of EP2820216B1 publication Critical patent/EP2820216B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • E05B77/04—Preventing unwanted lock actuation, e.g. unlatching, at the moment of collision
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/90—Manual override in case of power failure
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/57—Operators with knobs or handles

Definitions

  • the invention relates to a motor vehicle door lock, with a locking mechanism, further comprising at least one locking lever, and with an electric drive for the locking mechanism, wherein the electric drive in normal operation acts on the locking mechanism for electrical opening and additionally provides at least in emergency operation for a mechanical opening of the locking mechanism, and wherein the locking lever consistently in normal operation - even when electrically open - its position "locked" maintains.
  • the electric drive not only ensures the electrical opening of the locking mechanism. But in addition, the electric drive ensures that, for example, an external operating lever in emergency operation, that is, in the case of an emergency opening, with the pawl and / or the catch as components of the locking mechanism is mechanically connected.
  • an external operating lever in emergency operation that is, in the case of an emergency opening, with the pawl and / or the catch as components of the locking mechanism is mechanically connected.
  • a controllable by the electric drive intermediate lever is provided in detail.
  • the intermediate lever engages in the emergency opening or in emergency operation by means of a through-pin acted upon by the external actuating lever trigger lever with the pawl.
  • the external actuating lever can lift the pawl directly mechanically. In this way, a total reliable operation with a simple and inexpensive construction is guaranteed.
  • an emergency operation or a so-called emergency opening is also covered.
  • Such emergency operation occurs, for example, when the electric drive is no longer reliable or no longer works due to a voltage drop of the battery in the motor vehicle.
  • the emergency operation is typically set when it is expected in the immediate aftermath of an accident with a failure of the electric drive or must be expected.
  • Emergency operation ensures in this context that the locking mechanism can be opened mechanically. That is, at least in emergency operation, a mechanical connection between the handle and the locking mechanism is realized.
  • the invention is based on the technical problem of further developing such a motor vehicle door lock in such a way that the functional reliability is increased even further compared with the prior art.
  • a generic motor vehicle door lock within the scope of the invention is characterized in that the electric drive is equipped with an unlocking lock provided on its driven pulley and its position "locked” occupies the electrical opening of the locking lever, in which it is held by the unlocking wherein the unlocking lock is designed as a locking contour interacting with a projection on the locking lever.
  • the locking lever works according to the invention in such a way that its position "locked” the usual function following ensures that a mechanical actuation of a handle is empty in any case. Only when the handle is pulled twice in the internal operation, for example, or a so-called “double stroke” is performed, the locking lever can be transferred to the "unlocked” position.
  • this is not mandatory, but ultimately due to the generally required mechanical redundancy of electrically opening motor vehicle door locks.
  • the handle is mechanically with the locking mechanism - at least in normal operation - not connected. Rather, only the admission of the signal transmitter assigned to the handle ensures that the locking mechanism is opened electrically.
  • the electric drive typically acts on a release lever, which in turn lifts the pawl or one of a plurality of pawls relative to the rotary latch.
  • the electric drive When changing from normal operation to emergency operation, the electric drive ensures that the locking lever assumes its "unlocked” position. However, this only happens after any safety-relevant sensors have been triggered and, as a result thereof, for example side airbags, steering wheel airbags, passenger airbags, a possible belt tensioner, crash sensor, etc. have been activated.
  • the electric drive is equipped with the unlocking lock.
  • the unlocking lock ensures that the locking lever is held in its "locked” position during electrical opening. This means that the unlocking lock ensures that unlocking does not occur when an opening signal is generated during normal operation via the inside operating lever. In the context of the invention, however, it is ensured that the locking lever during electric opening assumes its position "locked”, since the functions "electrical opening” and "locking" have the same direction of rotation.
  • the unlocking lock is designed as a locking contour interacting with a projection on the locking lever.
  • the unlocking lock or the locking contour is located on the drive disc of the electric drive.
  • the electric drive as such is generally composed of at least one electric motor, a worm wheel driven therefrom, and the driven pulley meshing with the worm wheel.
  • the electric drive can define a first drive direction corresponding to normal operation and a second drive direction associated with emergency operation.
  • the first drive direction belongs to a counterclockwise rotation of the driven pulley, while the second drive direction corresponds to a clockwise movement of the driven pulley.
  • it is also a reversal of the drive directions feasible.
  • the electric drive is typically equipped with an opening contour, which interacts with the electrical opening with a locking lever acting on the locking lever.
  • This opening contour may be an opening cam or the like.
  • the electric drive is equipped with a return spring.
  • This return spring may be a center / zero spring, which is advantageously integrated in the driven pulley. With the help of the return spring ensures that the electric drive assumes a neutral position after its application in the first or the second drive direction and can take.
  • a blocking lever is additionally provided, which interacts with the electric drive optionally.
  • the electric drive is additionally equipped with a recess which is advantageous on the driven pulley - as well as the opening contour - finds.
  • a signal generator is assigned to the blocking lever.
  • This signal generator may be the interacting with the handle signal generator. Because regularly the blocking lever is acted upon and deflected by means of the handle. As soon as the handle is acted upon, therefore, not only the signal generator is actuated, but at the same time the blocking lever is pivoted away from the electric drive. As a result, the locking lever is able to catch or block any Fehlbestromungen the electric drive. Because such Fehlbestromungen correspond to the fact that the handle is not acted upon when they occur. In this case, the blocking lever also experiences no loading, thus can block the electric drive, so that it does not unintentionally electrically opens the locking mechanism.
  • the electric drive and / or the locking lever is assigned in each case a stop.
  • This stop may be a combined stop or an associated stop contour that is designed to interact with both the electric drive and the lock lever.
  • the stop or the stop contour can be connected to a door lock housing (made of plastic) and, in turn, may be produced, for example, from a thermoplastic such as PUR (polyurethane).
  • a motor vehicle door lock is shown, which is equipped with a not explicitly shown locking mechanism.
  • the locking mechanism is composed of a catch and a pawl as usual.
  • On the pawl operates a release lever 1 which is rotatably mounted about an axis 2 in a lock housing or lock case.
  • the release lever 1 a in Fig. 1 indicated rotation in a clockwise direction around his Axis 2 performs or can perform, the trigger lever 1 is able to lift the pawl of the catch.
  • the functionality is comparable to that described in the introduction EP 1 320 652 B1 is explained in more detail.
  • a locking lever 3 which is pivotally mounted about an axis 4. As part of the presentation after Fig. 1 the locking lever 3 assumes its "locked” position (VR). In addition, in the Fig. 1 nor the position “unlocked” (ER) of the locking lever 3 shown.
  • the electric drive 5, 6, 7 is composed of an electric motor 5, an applied by the electric motor 5 screw 6 and finally a meshing with the screw 6 driven pulley 7 together.
  • the driven pulley 7 is able to perform rotational movements about its axis A, with reference to the Fig. 1 in the counterclockwise direction or a first drive direction and in a clockwise direction corresponding to a second drive direction.
  • a handle 9 in conjunction with a signal generator 10 ensures that opening movements are registered on the handle 9 of the signal generator 10 and transmitted to a control unit 8.
  • the control unit 8 interprets a corresponding actuation of the signal generator 10 in such a way that an associated motor vehicle door is to be opened. Accordingly, the control unit 8 ensures that the electric motor 5 is energized in such a way that the driven pulley 7 in the illustration of the Fig. 1 executes there indicated by an arrow counterclockwise movement.
  • the opening contour 11 or the opening cam 11 is associated with the electric drive 5, 6, 7.
  • the electric drive 5, 6, 7 associated return spring 12 ensures that the electric drive 5, 6, 7 after the actuation of the trigger lever 1 again in a Neutral position returns.
  • the said spring 12 is designed in the embodiment as a center / zero spring and integrated into the driven pulley 7.
  • a locking contour 13 on the driven pulley 7 ensures that the locking lever 3 continuously in the Fig. 1 position shown and retained there "locked” (VR) maintains. Because the locking contour 13 interacts with a projection 14 on the respective locking lever 3 during the described electrical opening operation. In this way, the electric drive 5, 6, 7 and its driven pulley 7 is equipped with an unlocking lock, which as described in the electrical opening of the locking lever 3 ensures that this is “locked” in its position (VR) is held. For this purpose, the unlocking lock or the locking contour 13 already described on the driven pulley 7 as part of the electric drive 5, 6, 7 is provided.
  • the handle 9 not only works on the signal generator 10, but also acts on an additionally illustrated blocking lever 15.
  • This locking lever 15 is mounted coaxially with the release lever 1 about the common axis 2.
  • the blocking lever 15 is pivoted about the axis 2 in the clockwise direction.
  • a blocking lug 16 on the blocking lever 15 is disengaged from the electric drive 5, 6, 7 or its driven pulley 7.
  • the blocking lug 16 remains in engagement with the electric drive 5, 6, 7 and ensures that the electric drive 5, 6, 7 is faulty decelerated counterclockwise movement is decelerated.
  • a stop 17 moves against the respective blocking lug 16.
  • the hitherto carried out by the driven pulley 7 rotary motion is designed so that such Fehlbestromung does not lead to the opening of the locking mechanism, respectively can lead.
  • the stop 17 in conjunction with the blocking lug 16 on the blocking lever 15 ensures that the rotational movement of the electric drive 5, 6, 7 is limited for transferring the locking lever 3 from its unlocked to the locked position.
  • this emergency ensures that via the control unit 8 and the electric motor 5, the driven pulley 7 now no counterclockwise movement (first drive direction) performs more, but rather is acted upon in a clockwise direction.
  • the locking or unlocking contour 18 on the driven pulley 7 engages with an unlocking lug 19 on the locking lever 3, because the locking lever 3 is in its "locked” position (VR). Since in this process the driven pulley 7 is pivoted clockwise about its axis A, the interaction between the unlocking or locking lug 19 and the unlocking contour 18 ensures that the locking lever 3 is pivoted about its axis 4 in the counterclockwise direction. In this process, the locking lever 3 leaves a stop 20 and moves against a stop 21. Concomitantly, the locking lever 3 changes its position "locked” (VR) "unlocked” (ER).
  • Both stops 20, 21 are part of a stop contour 23, which is additionally equipped with a stop 22.
  • This stop 22 is used as soon as the electric drive 5, 6, 7 moves with its stop 17 during electric opening against it. This is possible because in this electric opening the blocking lever 15 is pivoted away with the aid of the handle 9, consequently, the stop 17 on the driven pulley 7 can pass the blocking lever 15.
  • the driven pulley 7 is equipped with a recess 24.
  • This recess 24 ensures that re-actuation of the handle 9 or a release and re-applying the handle 9 processed by the blocking lever 15 associated signal generator 10 at already initiated electrical opening operation can be.
  • the stop contour 23 may be made in total of a plastic and connected to the motor vehicle door lock housing.

Landscapes

  • Lock And Its Accessories (AREA)
EP13719707.5A 2012-02-28 2013-02-26 Kraftfahrzeugtürverschluss Active EP2820216B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210003743 DE102012003743A1 (de) 2012-02-28 2012-02-28 Kraftfahrzeugtürverschluss
PCT/DE2013/000103 WO2013127382A2 (de) 2012-02-28 2013-02-26 Kraftfahrzeugtürverschluss

Publications (2)

Publication Number Publication Date
EP2820216A2 EP2820216A2 (de) 2015-01-07
EP2820216B1 true EP2820216B1 (de) 2018-04-04

Family

ID=48236620

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13719707.5A Active EP2820216B1 (de) 2012-02-28 2013-02-26 Kraftfahrzeugtürverschluss

Country Status (11)

Country Link
US (1) US9551172B2 (zh)
EP (1) EP2820216B1 (zh)
JP (1) JP6213927B2 (zh)
KR (1) KR102015685B1 (zh)
CN (1) CN104285022B (zh)
CA (1) CA2865673A1 (zh)
DE (1) DE102012003743A1 (zh)
IN (1) IN2014DN07227A (zh)
MX (1) MX2014010286A (zh)
RU (1) RU2014137970A (zh)
WO (1) WO2013127382A2 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11280121B2 (en) 2018-03-05 2022-03-22 Magna Closures Inc. Crash unlock for side door latch
US11732514B2 (en) 2017-06-07 2023-08-22 Magna Closures Inc. Closure latch assembly with a power release mechanism and an inside handle release mechanism

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DE102011012656A1 (de) * 2011-02-28 2012-08-30 Kiekert Ag Kraftfahrzeugtürverschluss
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JP7052173B2 (ja) 2018-10-01 2022-04-12 三井金属アクト株式会社 車両ドアラッチ装置
JP7044079B2 (ja) * 2019-01-10 2022-03-30 トヨタ自動車株式会社 車両用ドア開閉装置
JP6989076B2 (ja) 2019-03-04 2022-01-05 三井金属アクト株式会社 自動車用ドアラッチ装置
WO2021019856A1 (ja) 2019-07-31 2021-02-04 三井金属アクト株式会社 ドアラッチ装置
DE102019126596A1 (de) 2019-10-02 2021-04-08 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss
JP7290098B2 (ja) 2019-10-02 2023-06-13 株式会社アイシン 車両用ドアロック装置
JP7385435B2 (ja) * 2019-11-12 2023-11-22 三井金属アクト株式会社 ドアラッチ装置
JP7327124B2 (ja) 2019-11-29 2023-08-16 株式会社アイシン 車両用ドアロック装置
DE102019133654A1 (de) 2019-12-10 2021-06-10 Kiekert Aktiengesellschaft Kraftfahrzeugschloss
KR102122714B1 (ko) * 2019-12-26 2020-06-15 주식회사 우보테크 비상 해제 가능한 차량용 전동식 도어래치
KR20210090451A (ko) * 2020-01-10 2021-07-20 현대자동차주식회사 차량용 전동식 도어 래치 장치
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DE102021126589A1 (de) 2021-10-14 2023-04-20 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss, insbesondere Kraftfahrzeug-Türschloss

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11732514B2 (en) 2017-06-07 2023-08-22 Magna Closures Inc. Closure latch assembly with a power release mechanism and an inside handle release mechanism
US11280121B2 (en) 2018-03-05 2022-03-22 Magna Closures Inc. Crash unlock for side door latch

Also Published As

Publication number Publication date
MX2014010286A (es) 2015-02-10
US20150021934A1 (en) 2015-01-22
IN2014DN07227A (zh) 2015-04-24
US9551172B2 (en) 2017-01-24
WO2013127382A2 (de) 2013-09-06
KR20140130175A (ko) 2014-11-07
DE102012003743A1 (de) 2013-08-29
CA2865673A1 (en) 2013-09-06
CN104285022A (zh) 2015-01-14
JP6213927B2 (ja) 2017-10-18
EP2820216A2 (de) 2015-01-07
CN104285022B (zh) 2017-05-17
KR102015685B1 (ko) 2019-08-28
WO2013127382A3 (de) 2014-10-23
JP2015513624A (ja) 2015-05-14
RU2014137970A (ru) 2016-04-20

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