EP3987136A1 - SCHLIEßEINRICHTUNG FÜR EIN KRAFTFAHRZEUG - Google Patents
SCHLIEßEINRICHTUNG FÜR EIN KRAFTFAHRZEUGInfo
- Publication number
- EP3987136A1 EP3987136A1 EP20735473.9A EP20735473A EP3987136A1 EP 3987136 A1 EP3987136 A1 EP 3987136A1 EP 20735473 A EP20735473 A EP 20735473A EP 3987136 A1 EP3987136 A1 EP 3987136A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive element
- motor vehicle
- locking device
- drive
- control
- 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
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000003993 interaction Effects 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- 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
- E05B81/02—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
- E05B81/12—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
-
- 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
- E05B81/34—Details of the actuator transmission of geared transmissions
-
- 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
- E05B81/44—Cams in the form of grooves
Definitions
- the invention relates to a motor vehicle locking device, in particular a tailgate lock, having an electric drive with at least one drive element connected downstream of the electric drive, the drive element enabling electrical opening and closing, with at least one anti-return device being provided for the drive element.
- the invention relates to a motor vehicle locking device that can be used, for example, in doors or tailgates. It is already common today for these locking devices to be equipped with electrical drives that enable the door or tailgate to be opened and / or closed electrically.
- a motor vehicle lock with an electrical drive rule is known.
- Such a motor vehicle lock regularly has a rotary latch which includes at least one main notch. In the closed position, this rotary latch locks a striker or lock holder, which can be attached to a vehicle body, for example.
- the rotary latch is in engagement with a pawl, which secures the rotary latch in the main catch against rotation by means of a positive fit.
- the motor vehicle lock also includes an electromotive drive element. Functional elements of the drive element act here via a pawl mechanism on the pawl of the motor vehicle lock.
- the pawl can be moved with the Antriebsele element about an axis of rotation of the pawl, whereby, for example, the rotary latch can be unlocked.
- the publication discloses friction contacts that secure the holding position of the functional elements when the drive element is switched off.
- end positions can be safely maintained using, for example, friction systems; on the other hand, end stops are also used to brake the functional elements or to reach a defined stopping position.
- end stops are also used to brake the functional elements or to reach a defined stopping position.
- DE 10 2013 006 521 A1 it is known to use an electric drive to unlock a locking mechanism, the electric drive cooperating with a locking lever, the locking lever representing a fixed stop for the drive.
- an end position that is to say a stop position, can be assumed.
- the object of the invention is to provide an improved motor vehicle locking device.
- it is an object of the invention to enable the functional positions to be reached safely, with the aim of working with the smallest possible number of drives.
- it is the task of the invention to provide a structurally simple and inexpensive motor vehicle locking device.
- the object of the invention is achieved in that a motor vehicle locking device, in particular a tailgate lock, is provided, having an electric drive with at least one drive element connected downstream of the electric drive, with the drive element being used to electrically open and close is made possible, wherein at least one anti-return device is provided for the drive element, and the anti-return device has a control element with a control curve for the drive element.
- the structure of the motor vehicle locking device according to the invention now makes it possible to equip the motor vehicle locking device with just one electric drive, a means for controlling or a means for achieving a safe functional position being provided by means of the control element.
- the control element has a control curve by means of which the electric drive can be safely moved into functional positions, which ensures maximum safety when reaching the functional positions and overriding the functional positions can be avoided.
- motor vehicle locking devices locking devices are used that can be used, for example, in tailgates, sliding doors, side doors, covers or hoods.
- Motor vehicle locking devices which can also be referred to as motor vehicle locksmiths, can therefore be used anywhere in the motor vehicle where components that are movably arranged on the motor vehicle must be held in a secured position.
- DC motors are preferably used as electrical drives, which on the one hand are extremely small and inexpensive and can be equipped in multiple embodiments, that is to say with different speeds and torques.
- the electric drive or the electric motor is preferably one first gear stage engaged, the gear stage depending on the embodiment and the requirements of the locking device, different transmission ratios or teeth can have.
- Worm gear transmissions, evoloid gears or spur gear gears can only be used as examples.
- the use of the different types of gears is not restricted, but rather depends on the necessary requirements for the locking device, such as positioning times, torques or distances or positioning movements to be provided.
- a drive element is in operative connection with the electric drive.
- the drive element is in turn not restricted to a geometric embodiment, but can, depending on the requirements, execute a lifting movement, an actuating movement and / or a rotary movement in the closing device.
- the drive element can be used to electrically open a lock or to close a tailgate, for example.
- the control element according to the invention ensures the functional positions as well as the safe reaching of the central position and thus forms a backflow protection for the electric drive. From the middle position, depending on the direction of rotation of the drive element, a functional position can be approached. After reaching the functional position, whereby a locked lock was unlocked, for example, the electric drive moves back to its central position. The control element makes it possible to safely reach the middle position.
- control element and in particular the control cam has a stop.
- the stop is used when the electric drive is reset to the central position, an over- to prevent driving the center position.
- the middle position is the position from which the different approach directions of the electric drive are started.
- the drive element is thus in a zero position or starting position from which the different rotary movements are started or the different functions are approached.
- the drive element can be guided by means of the control cam.
- the drive element preferably engages in the control cam or the control cam interacts with the drive element in such a way that the drive element can be guided or positioned by means of the control cam and thus by means of the control element.
- the control cam can have several stops.
- the control cam thus serves on the one hand to define the position with the drive element, but at the same time the control cam can also serve as a stop for a functional position.
- the drive element interacts with the control cam in such a way that when the control cam reaches an end position, the drive element has reached a functional position, for example a closed position of the closing device.
- the control element can thus include several functions, whereby a compact and cost-effective construction of the locking device can be achieved. Additional stops in the locking device can thus be dispensed with.
- the drive element can, for example, execute a rotary movement, the control element being able to follow the rotary movement and, for example, a circular movement of the drive element.
- a pivotable mounting of the control element can thus be used to follow the movement of the drive element and to provide maximum freedom for the drive element, so that the drive element can be moved unhindered by the control element, the control element at the same time providing a movable control cam for the drive element.
- the movement of the drive element is thus possible without hindrance, while at the same time a maximum of constructive freedom and a maximum of functionality can be provided for the locking device.
- the engagement between the drive element and the control element is preferably on a circular path, the control element being able to be mounted at a distance from the drive element, which enables the drive element to be guided safely.
- a further embodiment variant of the invention results when the control element can be pretensioned by means of a spring element.
- a pretensioning of the control element can represent an additional safety element, since here the control element can be held in engagement with the drive element in a secure and correct position.
- the control element can be prestressed against the drive element in such a way that the control element has a prestressing force radially outward in relation to the drive element.
- the drive element is designed as a circular disk, for example, with a fixed arrangement in the closing device, so the spring force of the Federele element acts on the control element in such a way that the control element is preloaded radially outward from the axis of the drive element.
- the pre-tension causes the drive element to be guided safely in the control cam.
- a cylinder pin arranged on the drive element is guided in the control cam and the drive element is moved by means of the electric drive, the cylinder pin in the control cam reaches an end stop, for example, which initializes, for example, electrical opening of the locking device. If the drive element is now retracted by means of the electric drive, the cylinder pin follows the control cam, the cylinder pin approaching a stop in the control cam, whereby the central position can be safely reached.
- the stop is so in the Control cam arranged that on the one hand the middle position can be safely reached and overriding the middle position is prevented, at the same time the spring element acts on the control element in such a way that after reaching the stop, the cylinder pin is moved into the middle position or the control element is moved into this It is aligned with respect to the cylindrical pin that the center position is assumed immediately.
- the drive element can advantageously be driven by means of at least one transmission.
- the use of a gear is primarily used to realize the required positioning times, torques and / or necessary travel ranges in the closing device.
- the gear stage can be single-stage and / or multi-stage, preferably in two stages.
- the first gear stage is preferably designed as an evoloid toothing, whereas the second gear stage has a spur gear toothing.
- the drive element can then mesh, for example, with a pinion of the second gear stage, so that an indirect drive of the drive element can be achieved.
- a cylinder pin is preferably arranged on the drive element, which, starting from the drive element, engages in the cam of the control element.
- the control cam itself is preferably formed as a recess in the control, the Zylin derlash can reach through the control cam or the control cam is designed as a groove in the control.
- the cylinder pin is designed as a plastic component, wherein a plastic casing of the drive element can be formed in one piece with the guide means or the cylinder pin.
- control cam or the control element can also be made of plastic or metal or a hybrid part, for example the control element is designed as a metal stamping part, at least the control cam having a plastic casing so that easy, low-noise guidance of the drive element can be achieved.
- the combination of materials as an interaction between the drive element and the control element can be implemented depending on the requirements of the closing device and can also be adapted due to the noise.
- At least one switching means preferably a microswitch
- the microswitch can be used to detect the center position of the drive element.
- the microswitch or the at least one switching means is connected to a control unit in the motor vehicle or in the locking device, the control unit being connected at the same time to the electric drive or the electric motor.
- the guide means can be guided on a circular path around a pivot point, in particular a pivot axis, of the drive element in the control curve.
- the guide means or the cylindrical pin arranged on the drive element is preferably guided on a circular path around the pivot axis of the drive element.
- the cylinder pin is fixedly arranged on the drive element, whereby a safe interaction between cylinder pin and control cam can be achieved.
- a locking device is provided by the structure according to the invention and the use of the control element, which ensures safe functioning of the locking device with minimal resources.
- driving over the center position is achieved by using a stop in the control cam according to the invention, so that safe actuation of the motor vehicle locking device and overrunning of the center position can be prevented.
- FIG. 1 shows a basic representation of a motor vehicle lock, in particular a patch flap lock, in a plan view of an electric drive with a downstream drive element and a backstop.
- FIG. 1 shows a plan view of a motor vehicle locking device 1 in a basic illustration with an electric drive 2, a gear stage 3, a drive element 4 and a control element 5 in a plan view.
- the electric drive 2 is preferably one electric direct current motor, which is electrically connected to a control unit 7 by means of contacts 6 and can be driven or controlled.
- a gear 9, in particular a worm 9 egg nes worm gear 3, is mounted on an output shaft 8 of the electric drive 2.
- the gear 9 meshes with a further gear 10, in particular a worm gear 10, so that a first gear stage 3 in the motor vehicle locking device 1 can be achieved.
- the gear wheel 10 of the first gear stage 3 interacts with a further gear wheel 11, the gear wheel 1 1 interacting directly with the drive element 4, whereby a further gear stage 12 can be achieved.
- the gear 1 1 can for example be formed in one piece with the gear 10 or at least be connected to the gear 10 in such a way that a transmission of a torque is possible.
- the drive element 4 can be driven around a pivot axis 13 in both directions of movement.
- a different function can thus be performed in the locking device 1 by means of the drive element 4, as indicated by the arrow P1.
- functional elements 14, 15 have been drawn in as circles in FIG.
- the drive element 4 is designed as a disk-shaped drive element 4, with the shape of a febel or gear segment also naturally being conceivable.
- the functional elements 14, 15 can be designed as gearwheels, further gear stages and / or levers, depending on the embodiment of the locking device 1.
- the locking device can be closed by means of the functional element 14 and, in turn, an electrical one, for example, by means of the functional element 15 Opening a locking mechanism, not shown, can be carried out.
- closing means that a locking mechanism located in the locking device 1 can be transferred from a pre-locking position into a low locking position.
- Electric opening means that in a Main locking position located lock by means of the drive element 4 can be converted into an Of fengnagna, that is, can be unlocked.
- a central position M of the drive element 4 is shown in FIG. 1.
- a cylindrical pin 16 arranged on the drive element 4 is guided in a control cam 17 of the control element 5.
- the illustrated center position M of the drive element 4 can preferably be detected by means of a microswitch 18, the microswitch 18 in turn being electrically connected to the control unit 7.
- the cylinder pin 16 is in a starting position A, starting from the starting position A and depending on the direction of rotation of the drive element 4 of the cylinder pin 16 along the control cam 17 in the control element 5 can be guided.
- the cylinder pin 16 reaches a functional position 16 ', in which, for example, electrical opening is carried out by means of the functional element 15. If now, after electrical opening and by means of the electrical drive 2, the drive element 4 is moved back into its starting position, that is, into the central position M, the cylinder pin 16 or 16 'is moved against a stop 19 and along the circular path A, whereby a mechanical stop 19 for the drive element 4 is available. The cylinder pin 16 then reaches the stop position 16 ′′, as a result of which the drive element 4 can be safely braked and, in particular, the center position M can be reached.
- the middle position M is detected by means of the microswitch 18, so that the electric drive 2 can be switched off.
- the drive 2 is switched off, with conventional locking systems there is a risk that the center position M will be overshot due to, for example, an overrun of the motor.
- the use of a control element 5 according to the invention prevents the central position M from being overrun.
- control element 5 can be used to prevent the central position M from being exceeded, so that malfunctions in the locking device 1 are prevented. are changeable.
- the cylinder pin 16 After the stop position 16 ′′ has been reached, the cylinder pin 16 returns to its starting position A, the control element 5 being pretensioned by means of a spring element 20 in the direction of arrow P2 so that the cylinder pin 16 can be returned to its starting position A.
- microswitch 18 Even if only one microswitch 18 is provided in this exemplary embodiment, it is of course also conceivable that, depending on the embodiment of the control element 5 and / or the drive element 4 and / or the functional elements 14, 15, further microswitches 18 with the control unit 7 are connected, so that a safe shutdown of the electric drive 2 when reaching the mechanical stop 19 is possible.
Landscapes
- Lock And Its Accessories (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019116441.9A DE102019116441A1 (de) | 2019-06-18 | 2019-06-18 | Schließeinrichtung für ein Kraftfahrzeug |
PCT/DE2020/100496 WO2020253912A1 (de) | 2019-06-18 | 2020-06-15 | SCHLIEßEINRICHTUNG FÜR EIN KRAFTFAHRZEUG |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3987136A1 true EP3987136A1 (de) | 2022-04-27 |
EP3987136B1 EP3987136B1 (de) | 2023-06-07 |
Family
ID=71409068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20735473.9A Active EP3987136B1 (de) | 2019-06-18 | 2020-06-15 | Schliesseinrichtung für ein kraftfahrzeug |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3987136B1 (de) |
CN (1) | CN114270004B (de) |
DE (1) | DE102019116441A1 (de) |
WO (1) | WO2020253912A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021123331A1 (de) * | 2021-09-09 | 2023-03-09 | Kiekert Aktiengesellschaft | Antriebseinheit für Kraftfahrzeug-Technische-Anwendungen |
DE102021123329A1 (de) * | 2021-09-09 | 2023-03-09 | Kiekert Aktiengesellschaft | Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türschloss |
DE102021132141A1 (de) * | 2021-12-07 | 2023-06-07 | Kiekert Aktiengesellschaft | Kraftfahrzeug-Schloss |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19622526C2 (de) * | 1996-06-05 | 2001-03-01 | Mannesmann Vdo Ag | Stellgetriebe |
DE19861096B4 (de) * | 1998-06-22 | 2004-09-30 | Brose Schließsysteme GmbH & Co.KG | Elektromotorischer Stellantrieb für ein Kraftfahrzeugschloß |
AU3815702A (en) * | 2001-05-04 | 2002-11-14 | Westinghouse Air Brake Technologies Corporation | Central lock mechanism |
DE102005056788B4 (de) * | 2005-11-28 | 2018-08-23 | Huf Hülsbeck & Fürst Gmbh & Co. Kg | Verschluss für Klappen oder Türen von Fahrzeugen |
DE102009020488A1 (de) * | 2008-08-22 | 2010-02-25 | Kiekert Ag | Antriebseinheit mit blockiertem Funktionselement für eine Zentralverriegelung |
JP2011132771A (ja) * | 2009-12-25 | 2011-07-07 | Aisin Seiki Co Ltd | 車両用ドア開閉装置 |
DE102013006521A1 (de) * | 2013-04-16 | 2014-10-16 | Kiekert Aktiengesellschaft | Kraftfahrzeugtürverschluss |
DE102014117330A1 (de) * | 2014-11-26 | 2016-06-02 | Kiekert Ag | Schließvorrichtung für eine Haube, Klappe oder Tür |
DE102017108345A1 (de) * | 2017-03-13 | 2018-09-13 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Schließhilfsantrieb |
-
2019
- 2019-06-18 DE DE102019116441.9A patent/DE102019116441A1/de active Pending
-
2020
- 2020-06-15 EP EP20735473.9A patent/EP3987136B1/de active Active
- 2020-06-15 WO PCT/DE2020/100496 patent/WO2020253912A1/de unknown
- 2020-06-15 CN CN202080058710.3A patent/CN114270004B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN114270004A (zh) | 2022-04-01 |
DE102019116441A1 (de) | 2020-12-24 |
EP3987136B1 (de) | 2023-06-07 |
WO2020253912A1 (de) | 2020-12-24 |
CN114270004B (zh) | 2023-10-27 |
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