EP3765692A1 - Dispositif de fermeture pour applications de véhicule automobile - Google Patents

Dispositif de fermeture pour applications de véhicule automobile

Info

Publication number
EP3765692A1
EP3765692A1 EP19716769.5A EP19716769A EP3765692A1 EP 3765692 A1 EP3765692 A1 EP 3765692A1 EP 19716769 A EP19716769 A EP 19716769A EP 3765692 A1 EP3765692 A1 EP 3765692A1
Authority
EP
European Patent Office
Prior art keywords
damping means
damping
closing device
pawl
release lever
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
Application number
EP19716769.5A
Other languages
German (de)
English (en)
Other versions
EP3765692B1 (fr
Inventor
Ömer INAN
Ale KEJDANA
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 EP3765692A1 publication Critical patent/EP3765692A1/fr
Application granted granted Critical
Publication of EP3765692B1 publication Critical patent/EP3765692B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E05B77/36—Noise prevention; Anti-rattling means
    • E05B77/38—Cushion elements, elastic guiding elements or holding elements, e.g. for cushioning or damping the impact of the bolt against the striker during closing of the wing
    • 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
    • E05B81/16—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action
    • 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
    • E05B81/26—Output elements
    • E05B81/30—Rotary elements
    • 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

Definitions

  • the invention relates to a locking device for motor vehicle applications technical applications comprising a locking mechanism with a catch and at least one pawl, a release lever, wherein by means of the release lever, the locking mechanism is at least unlocked, an electric drive unit, with a motor and at least one with the Motor together men technicalden gear stage, wherein by means of the electric drive unit, the release lever is at least indirectly actuated.
  • Today's locking systems comprise a catch of a catch and at least one pawl, wherein the catch is lockable by means of the pawl.
  • a release lever is used, which moves the pawl out of the engagement area with the rotary latch.
  • this electric drive units are used, which move the trigger lever, after entering a control command by the operator, electrically or pivot. Irrespective of the initialization of the movement of the release lever, when released, noises occur that depend on the materials used, the forces available in the locking mechanism and the engagement conditions between the locking components can vary greatly.
  • DE 103 61 168 A1 discloses a motor vehicle lock is described, with a lock latch, a lock latch in a main closed position, releasable to release the latch catch, a pawl coupled to the pawl, which in the lifting direction of the pawl entrains this, a motor drive for motorized lifting of the pawl from the latch and an effective between the latch and the pawl locking connection.
  • the latching connection consists of egg nem latching connection element and a latching connection counter element, wherein the latching connection element and the latching connection counter element engage in latching in the main closed position latch latch by the lifting of the pawl and reach sufficiently sufficiently far Publis tion of the latch case from the main closed position in the direction of Publ tion position except snap engagement.
  • the disengagement is initiated according to the publication by an electric drive, wherein a screw located on an output shaft of an engine cooperates with a Schneckenenzradrad and the latching connection element is in Wirkver bond with the worm gear.
  • a control contour on the toothed wheel acts directly on the pawl, so that unlocking of the catch can be carried out, wherein a snow load function is integrated into the pawl at the same time.
  • the DE 10 2016 107 509 A1 could be determined.
  • the document discloses a motor vehicle closing ß adopted, in particular a closing unit for a flap of a motor vehicle, comprising a catch, at least one pawl, wherein the catch with the pawl in a pre-locking position and a Haupttrastposi tion is lockable, a release lever, wherein by means of the release lever, the pawl out of engagement with the catch can be brought.
  • the Schbiologieinrich device is provided with an electric drive, wherein the electric drive to the interposition of a transmission and a gearbox arranged on the control contour is unlocked. A damping of the movement of the lock components is realized for example via stop buffer.
  • the object of the invention is to provide an improved locking device for automotive applications.
  • a locking device for motor vehicle applications comprising a locking mechanism with a catch and at least one pawl, a release lever, wherein by means of the release lever, the locking is at least unlocked, an electric drive unit , with a motor and at least one cooperating with the motor gear stage, wherein by means of the electric drive unit of the trip lever bel at least indirectly actuated and wherein a damping means between tween the trigger lever and the electric drive unit is arranged.
  • the interaction of the drive and release mechanism can be influenced immedi applicable advantageous in the acoustics.
  • the Dämp fungsmittel acts between the trigger and the electric drive unit, which is particularly in the stop positions of the drive and / or trigger lever to a noise-damping engagement of the means for damping or damping means.
  • a locking device for automotive applications may also be referred to as a closing unit, motor vehicle lock or lock.
  • a locking device according to the invention relates to the closing devices that fix the vehicle located on the moving components in their Po position. This can for example be a flap, hood, door, sliding door cover but also a shelf.
  • the movably mounted on the vehicle components must be secured to use the motor vehicle before, for example, the side door closed as fully as possible. must be present in order to enable safe operation of the motor vehicle.
  • a catch of rotary latch and pawl used for closing.
  • the catch is held by the pawl in the locked position or locked by the pawl.
  • the catch is in a pre-locking position and a main detent position by means of at least one pawl lockable.
  • a release lever acts on the pawl so that the pawl out of engagement with the catch ge arrived, so that the catch, which preferably cooperates with a lock holder or locking pin, can be disengaged from the catch, so that the locking pin or lock holder is released.
  • the example flap can open after a release of the catch who the.
  • a position detecting means is provided in the closing device, by means of which the position of the trigger lever can be determined.
  • the release lever directly with the position detection means, such as a micro-switch interaction.
  • a lever is provided, so that the release lever interacts indirectly with the position detection means. The release lever thus acts together with the position detection means, wherein when a latching position is reached, a switching signal can be generated at the microswitch.
  • the locking device according to the invention on an electric drive unit, which includes a motor and a 1966wir together with the engine gear stage.
  • Electric DC motors are preferred.
  • a transmission here, for example, a mounted on the output shaft of the motor screw and a device mounted in the Schellereinrich worm gear can act.
  • An interaction between Electric drive unit and release lever is possible according to the invention by means of the intermediate damping means.
  • the damping means has a damping contour for the gear stage. If the damping means has a damping contour, then the gear stage can work directly against the damping means.
  • a combi te contact surface on the damping means is used, for example, a damping stop area with a fixed stop area kombi nierbar.
  • the damping medium is formed as a composite component, wherein elastomeric areas are combined with fixed areas.
  • the main body of the damping means is formed of a thermoplastic material, wherein elastomeric plastics are incorporated in the region of the damping contour to the gear stage.
  • the damping contour as a stop contour for the gear stage, in particular arranged on the gear stage stop, training bar.
  • the damping contour of the damping means is shaped such that it can be brought into positive engagement with a stop.
  • At the impact contour corresponds with a stop on the gear stage, wherein the gear stage and in particular a rotational movement of a gearbox beimplantations braked and usable as an end stop.
  • the Dämp fungsstoff thus acts in different functions, on the one hand a damper for the drive unit is provided and at the same time the damping means serves as a travel limit for the drive unit.
  • the gear stage can best hen, for example, from a driven gear, wherein the gear unit in one piece or as a separate element has a He-elevation, for example, protrudes beyond the edge of the gear and can be brought into engagement with the stop contour of the damping means.
  • the damping means has a control contour for the release lever.
  • the damping means to another function, namely the Lich that the movement of the trigger lever means of Dämpfungsmit means is controllable.
  • the release lever is in at least partially positive engagement with the damping means.
  • the relative position between the trigger lever and damping means is controllable.
  • the damping means and / or the trigger can be controlled via the control contour.
  • the control contour can be formed, for example, as a groove or depression in the damping means and the release lever has an extension which engages positively in the contour. Due to the pivoting movement of the release lever, the control contour is preferably formed part-circular in the damping means is.
  • a shaping of a contour in the tripping levers is conceivable.
  • the embodiment is particularly advantageous if the damping means is pivotally mounted in the closing device.
  • damping means is designed as a separate component, wherein damping means can be mounted pivotably in a closing device, the result is a further embodiment variant of the invention.
  • the damping means can follow the movement of the release lever and be aligned against the stop of the gear stage.
  • the stop contour only at the time in the range of the gear stage swivel bar by the stop to fix the gear in its final position.
  • the gear stage is a maximum free space during the rotational movement available and only at the time of the end position with the stop contour in engagement.
  • a pivotable mounting not only has the advantage of a possible positioning tion of the damping means with respect to the gear stage, the damping means can also be used for cooperate with the movement of the release lever. This may be advantageous in example, when the control contour between Dämp fungsstoff and release lever for positioning the release lever is used. Positioning of the release lever, for example, then achieved who the when the damping means at least partially by the gearbox is executable level.
  • the formation of the damping means as a separate construction part simplifies, for example, the assembly and at the same time offers the advantage to deliver the damping means as a composite component cost ago.
  • the damping means has a ge-damped bearing point.
  • the noiver hold the locking device is further improved. If the stop of the drive unit against the damping means to the system, the slapping noise between the drive unit and damping means is minimized.
  • An additional improvement of the noise behavior can be effected according to the invention in that also the bearing point of the damping means in the closing device has a damping element. This can be done in example in that the bearing is at least partially surrounded with a rubber-elastic material, so that when a force of the drive unit to the damping means reduces the generation of noise in the bearing to a minimum.
  • the gear stage has a toothed wheel, in particular a worm wheel, and if the toothed wheel can be guided through the damping means at least in some areas, this results in a further embodiment variant of the invention.
  • the gear stage can be designed in an advantageous manner as worm gear drive stage.
  • the output shaft of the motor has a worm which meshes with a worm wheel.
  • Such gear stages are advantageous as a drive unit, since these drive units on the one hand we need nig space and on the other hand high torques can be realized. For example, with an output torque of 20 N / mm, a maximum force for triggering the locking of 750 N ge be made available.
  • the driven gear that is to say the worm wheel
  • the damping means is guided through the damping means at least in regions
  • Constructively favorable means that the necessary space for the provision of the damping means space in the closing ß estradiosis is reduced to a minimum.
  • the damping means can be formed as a multi-functional damping means, wherein the damping means has at least one further damping element which can be brought into engagement with a further lock component, the result is a further advantageous embodiment of the invention.
  • the damping means can be available, for example, as a damping means for other lock components available.
  • a snow load lever may be mentioned here.
  • a snow load lever is used when the locking device is a tailgate lock. If it comes due to high loads, such as a snow load on a tailgate, while that the locking mechanism is unlocked, but the catch is not moved far enough to get out of engagement with the pawl, so it could reclosure the turn of events come.
  • a snow load lever is arranged close to the pivoting area of the pawl and / or the release lever.
  • a damping element for the snow load lever buy another damping element for the snow load lever can be omitted.
  • a closing aid can also be integrated in the closing device.
  • the damping have two, three or more damping elements, which then cooperate with other components of the closing device, so that a multi-functional damping means can be provided.
  • the damping means thus have a number of functions.
  • the Dämp Fung properties are in the foreground, but the damping means can also be used as a control for positioning.
  • a further embodiment variant results when the Dämp fungsmittel is formed from a respect to the release lever softer plastic.
  • the damping means come to the tripping bel various tasks or functions.
  • the damping means is preferably used to improve the acoustics and to minimize noise.
  • the release lever is used to unlock the locking mechanism.
  • the damping means may now be made of a plastic material and in particular a thermoplastic material having Güns term damping properties, whereas the trigger lever may be formed of a material and in particular a thermoplastic with high hardness.
  • FIG. 1 shows a side view of an opened tailgate lock in the area between the locking mechanism and the electric drive in a main locking position
  • Figure 2 is a view of the tailgate lock according to the figure
  • FIG. 3 shows a detailed view according to the arrow III from FIG. 1 of a release lever detached from the locking device and a damping means designed according to the invention
  • Figure 4 is a separate illustration of the damping means from a
  • FIG. 1 shows a closing device 1 in a plan view of a single Lich regionally reproduced locking device 1 is shown.
  • the locking device 1 is reproduced without housing, with only the illustrated to clarify the function of the invention Sch facedeinrich processing components are shown.
  • a drive unit 2 has an electric motor 3, an output shaft 4 of the electric motor 3 accommodating a worm 5.
  • the worm 5 meshes with a worm wheel 6, wherein the worm wheel 6 has a control contour 7.
  • a stop 8 is formed integrally with the worm wheel and the control contour 7.
  • the locking device comprises a locking mechanism 9 of a rotary latch 10 and a pawl 1 1, which in a main detent position 12 with each other in Engage.
  • the rotary latch 10 and the pawl 1 1 are pivotally received about the axes 13, 14 in a lock case 15 and positionie ren a lock holder 16.
  • the pawl 1 1 cooperates with a locking or blocking lever 17, wherein the pawl 11 by means of the catch or Blockade lever 17 in the main latching position 12 is durable. Without the locking or blocking lever 17, the pawl alone due to the force exerted on the pawl 1 1 force would be moved by the catch 10 from the main detent position 12 out. Consequently, an opening moment is applied to the pawl 11.
  • the damping means 19 pivotally mounted in the locking device 1.
  • the pivot axis 13 of the pawl 1 1 corresponds to the pivot axis 13 of the release lever 18.
  • the damping means 19 is pivotally about the pivot axis 20 around in the direction Sch useinrich 1 and preferably in the lock box 15 added.
  • the damping means 19 and the trigger lever 18 are connected via a control contour 21 in operative connection, wherein the control contour 21 as a depression in the damping means
  • the open locking mechanism 9 is now shown.
  • the worm wheel 6 was rotated in the direction of arrow P about the axis 22 around.
  • the stopper 8 emerges through a recess 23 of the damping means 19, wherein the recess 23 can be seen clearly in FIG.
  • the control contour 7 engages with the release lever 18, whereby the release lever 18 is pivoted clockwise about the pivot axis 13, whereby the blocking lever 17 is disengaged from the pawl 11.
  • the opening moment which is exerted on the pawl by the rotary latch 10
  • the pawl 11 comes out of engagement with the catch.
  • a storage lever 24 holds the pawl 1 1 as long out of engagement with the rotary latch 10 until the pawl 11 can no longer get into engagement with the main latching position 12 of the rotary latch 10.
  • the damping means 19 is pivoted about the pivot axis 20 around in a clockwise direction, so that ei ne stop contour 25 comes into engagement with the stopper 8.
  • the movement of the worm wheel 6 is thereby limited, braked and the Schne ckenrad 6 is correct position for a renewed opening of the locking mechanism 9 aligned.
  • An extension 26 on the release lever 18 serves to pivot the latching or blocking lever 17 in a clockwise direction about the pivot axis 27.
  • FIG. 3 shows the starting position according to FIG. 1, wherein the damping means 19 is pivoted so far in the counterclockwise direction in Ge that the recess 23 has room for one Swinging the stop 8 of the steering wheel 6 releases.
  • the stop contour 25 with the damping element 28 arranged on the stop contour 25 can also be clearly seen.
  • a further damping element 29 in the bearing point 30 serves to further improve the acoustics of the closing device 1.
  • another damping element 31 is to be known for it can serve for example for interaction with the storage lever 24.
  • damping means 19 shows a three-dimensional view of the damping means 19, wherein a further damping element 32 can be seen, which can serve as a damping element for further lock components and / or the damping means itself, for example.
  • the inventive design of the damping means 19 a low-noise interaction of the lock components is possible, in particular special opening of the locking mechanism 9 can be reduced overall.
  • Dar beyond the damping means 19 provides a cost-effective solution that is admisst Anlagend integrable in the locking device 1.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un dispositif de fermeture (1) destiné à des applications de véhicule automobile et comprenant un dispositif d'encliquetage (9) pourvu d'un loquet rotatif (10) et d'au moins un cliquet (11), d'un levier de libération (18), le dispositif d'encliquetage (9) pouvant au moins être déverrouillé au moyen du levier de libération (18), d'une unité d'entraînement électrique (2) comportant un moteur (3) et au moins un étage de transmission (5, 6) coopérant avec le moteur (3), le levier de libération (18) étant actionné au moins indirectement au moyen de l'unité d'entraînement électrique (2), et un moyen d'amortissement (19) pouvant être disposé entre le levier de libération (18) et l'unité d'entraînement électrique (2).
EP19716769.5A 2018-03-13 2019-03-12 Dispositif de fermeture pour applications automobiles Active EP3765692B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018105717.2A DE102018105717A1 (de) 2018-03-13 2018-03-13 Schließeinrichtung für kraftfahrzeugtechnische Anwendungen
PCT/DE2019/100215 WO2019174673A1 (fr) 2018-03-13 2019-03-12 Dispositif de fermeture pour applications de véhicule automobile

Publications (2)

Publication Number Publication Date
EP3765692A1 true EP3765692A1 (fr) 2021-01-20
EP3765692B1 EP3765692B1 (fr) 2023-01-18

Family

ID=66102339

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19716769.5A Active EP3765692B1 (fr) 2018-03-13 2019-03-12 Dispositif de fermeture pour applications automobiles

Country Status (4)

Country Link
EP (1) EP3765692B1 (fr)
CN (1) CN111836940B (fr)
DE (1) DE102018105717A1 (fr)
WO (1) WO2019174673A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020114465A1 (de) 2020-05-29 2021-12-02 Kiekert Aktiengesellschaft Antriebseinheit für kraftfahrzeug-technische Anwendungen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19617428C2 (de) 1996-05-01 1998-06-10 Kiekert Ag Kraftfahrzeug-Türverschluß mit elektrischem Türschloß und elektrische Zuziehhilfe für die zugeordnete Kraftfahrzeugtür
DE10361168B4 (de) 2003-12-22 2016-08-04 BROSE SCHLIEßSYSTEME GMBH & CO. KG Kraftfahrzeugschloß, insbesondere für Hauben oder Klappen
DE102010007532A1 (de) * 2010-02-11 2011-08-11 Kiekert AG, 42579 Kraftfahrzeugschloss mit optimierter Schließgeschwindigkeit
DE102010036924A1 (de) * 2010-06-23 2011-12-29 Witte Automotive Gmbh Drehfallenverschluss mit Haupt- und Vorrast
DE102012216976B4 (de) * 2012-09-21 2023-11-09 Kiekert Aktiengesellschaft Schloss für eine Klappe oder Tür
DE112013005663T5 (de) * 2012-11-27 2015-09-03 Magna Closures Inc. Schloss für eine Fahrzeugtür
JP6364650B2 (ja) * 2014-08-05 2018-08-01 三井金属アクト株式会社 ドアラッチ用アクチュエータ
DE102016107509A1 (de) 2016-04-22 2017-10-26 Kiekert Ag Kraftfahrzeugschließeinrichtung
US10767396B2 (en) * 2016-08-15 2020-09-08 Magna Closures Inc. Vehicular latch assembly with latch mechanism having pop-off sound reduction

Also Published As

Publication number Publication date
WO2019174673A1 (fr) 2019-09-19
EP3765692B1 (fr) 2023-01-18
DE102018105717A1 (de) 2019-09-19
CN111836940B (zh) 2022-05-03
CN111836940A (zh) 2020-10-27

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