EP4256157A1 - Dispositif de fermeture pour serrure de véhicule automobile - Google Patents

Dispositif de fermeture pour serrure de véhicule automobile

Info

Publication number
EP4256157A1
EP4256157A1 EP21823748.5A EP21823748A EP4256157A1 EP 4256157 A1 EP4256157 A1 EP 4256157A1 EP 21823748 A EP21823748 A EP 21823748A EP 4256157 A1 EP4256157 A1 EP 4256157A1
Authority
EP
European Patent Office
Prior art keywords
gear
motor vehicle
closing
rotary latch
transmission
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
EP21823748.5A
Other languages
German (de)
English (en)
Inventor
Jan Zejda
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 EP4256157A1 publication Critical patent/EP4256157A1/fr
Pending legal-status Critical Current

Links

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
    • E05B81/34—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
    • E05B81/12—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
    • E05B81/21—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators for assisting final closing or for initiating opening with means preventing or detecting pinching of objects or body parts
    • 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
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/32—Details of the actuator transmission
    • E05B81/46—Clutches
    • 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

Definitions

  • the invention relates to a closing device for a motor vehicle lock, in particular a motor vehicle door lock closing aid, with a locking mechanism consisting essentially of a rotary latch and a pawl, also with an electric motor, and with a gear following the electric motor, the gear at least during a closing process the rotary latch works.
  • Closing devices for motor vehicle locks and in particular motor vehicle door lock closing aids have been in use for some time, as evidenced, for example, by the generic prior art according to DE 198 28 040 A1.
  • an electric motor is provided, which rotates a control disk via a motor shaft and a worm.
  • the rotary latch has a stop element which interacts with the control disk during a closing process.
  • the transmission is defined by the motor shaft, the control disc and a pin located on it. Consequently, the term "gear" is to be interpreted broadly in the context of the present application, namely to the effect that the gear typically ensures a transmission of rotary movements of the motor shaft of the electric motor in the broadest sense.
  • the required effectiveness should remain unchanged and the closing device should in particular be able to overcome counterforces occurring when closing by the rubber door seals to be compressed between the associated motor vehicle door and the motor vehicle body.
  • the invention is therefore based on the technical problem of further developing such a closing device in such a way that an embodiment for interrupting the closing movement that is both structurally simple and inexpensive is made available while the effectiveness remains unchanged.
  • a generic closing device for a motor vehicle lock is characterized within the scope of the invention in that the transmission has a power flow element that can be engaged and disengaged as desired for mechanically interrupting the closing process.
  • no complex sensory solution such as is the subject of DE 10 2019 107 845 A1
  • is used to implement anti-trap protection for example.
  • the procedure is such that in the end the power flow from the electric motor via the gearbox to the rotary latch is simply and quite profanely mechanically interrupted without any sensor query.
  • the transmission has at least a power flow element which can be engaged and disengaged according to the invention. In the engaged state, the power flow element ensures that rotational movements of an output shaft of the electric motor are translated with the aid of the gear and then transferred to the rotary latch that can be acted upon by the gear during the closing process.
  • the force flow element that can be engaged and disengaged contributes in the invention to realizing the desired transmission ratio. That is, while a clutch also ensures or can ensure a separation of the power flow, for example, such a power flow element is provided according to the invention by the power flow element that can be engaged and disengaged, with the power flow element as such representing a component of the transmission that is used for the translation with contributes. For this reason, according to the invention, an additional clutch is expressly unnecessary and not provided for.
  • the disengaged state of the power flow element now corresponds to the fact that the power flow from the electric motor to the rotary latch is interrupted and consequently the electric motor can no longer act on the rotary latch in a pulling sense. Rather, the catch is mechanically separated from the electric motor. As a result, an associated motor vehicle door can be opened directly. This is because the rotary latch is generally free when the force flow element is disengaged (with the pawl also being lifted) and can be opened immediately so that the locking bolt previously caught with the aid of the rotary latch is released. The same applies to the associated motor vehicle door.
  • an anti-jamming device that is particularly simple in terms of construction and is therefore also cost-effective is made available overall, or a particularly simple and cost-effective interruption of the closing process is made possible.
  • the power flow element of the transmission following the electric motor is specially designed, namely it can be selectively engaged and disengaged.
  • the force flow element can typically be charged linearly. be trained to beat.
  • rotary loading of the force flow element for engagement and disengagement is also possible.
  • the power flow element is typically a gearwheel element, linear loading is recommended for engagement and disengagement.
  • the force flow element which is designed as a gear element, can be spaced directly out of an engagement plane, so that the force flow is interrupted.
  • the force flow element is prestressed in the engaged position with the aid of a spring.
  • the force flow element can be selectively disengaged against the force of the spring and immediately returns to the engaged position after the end of its loading into the disengaged position.
  • the force flow element and, if applicable, the pawl can be acted upon with the aid of the handle or its own motorized drive. This not only interrupts the power flow from the electric motor to the catch. Rather, the handle or its own motorized drive also ensures that the pawl, which has typically already fallen into the rotary latch during the closing process, is simultaneously lifted from its engagement with the rotary latch. As a result of this, the rotary latch is completely free, namely from both the electric motor and the pawl, and can be swung open immediately.
  • the power flow element and, if applicable, the pawl can also be moved directly and immediately with the help of its own motorized drive in be transferred to the disengaged state. Most of the time, however, a handle and a corresponding manual application are used here, if only to keep costs low.
  • a power flow element that can be engaged and disengaged linearly as part of a transmission in connection with a motor drive in a motor vehicle is generally already known from US Pat. No. 10,472,869 B2.
  • the known drive is an opening drive that works on the pawl.
  • opening drives are generally designed to be smaller because torques that are not as high are required on the output side.
  • an additional lifting of the pawl from the rotary latch is not required, because this is the primary and only task of the opening drive.
  • the handle or its own motor drive for applying the force element typically ensures that the pawl is also acted upon, namely in such a way that it is lifted from its engagement with the rotary latch when the closing process of the rotary latch is interrupted in this way.
  • the opening drive according to US Pat. No. 10,472,869 B2 is constructed and designed fundamentally differently than the closing devices discussed here.
  • the force flow element is advantageously a gearwheel element.
  • Said gear wheel element can be mounted in a gear element in an axially displaceable manner. Since a power flow takes place via the gear element and the gear element, which in this case is typically accompanied by a rotary movement, the gear element is usually coupled in a torque-proof manner to the gear element.
  • the gear wheel element In order to realize and implement the non-rotatable coupling in detail, the gear wheel element usually engages with at least one radial pin in a pin receptacle of the transmission element. In most cases, several radial pins are even provided on the gear element, which engage in the associated pin receptacles of the gear element in a rotationally fixed and at the same time axially displaceable manner.
  • the gear wheel element In order to implement such a configuration in a topologically particularly simple and elegant manner, the gear wheel element is usually equipped with the radial pin on the base side. This is followed by a middle section. A toothing is then provided on the head side of the toothed wheel element, which meshes with a further gear element.
  • This further transmission element is advantageously a drive pawl on the output side of the transmission, with the help of which the rotary latch is acted upon.
  • the drive pawl can act, for example, on a pin of the rotary latch and in this way cause the pivoting movement of the rotary latch in the pulling sense required for the closing process of the rotary latch.
  • the individual pin receptacle of the gear element or the multiple pin receptacles are designed open at least in the axial direction, so that the gear wheel element can be moved back and forth axially with respect to the gear element with its radial pin engaging in the respective pin receptacle.
  • the gear element in question is usually made of metal or steel. This usually also applies to the gear element that supports the gear wheel element in an axially displaceable manner. In principle, however, the toothed wheel element and the transmission element can also be made of plastic.
  • the transmission following the electric motor also has at least one further transmission element that is connected upstream of the transmission element that supports the gear wheel element.
  • This transmission element may in turn mesh with a worm on the output shaft of the electric motor.
  • Both the worm and the gear element meshing with it are usually made of plastic, but can also be made of metal, for example steel, aluminum, etc. It is also conceivable to work with evoloid gearing at this point. Of course, this only applies as an example.
  • the individual transmission elements can each have spur gearing, helical gearing or be equipped with an Evoloid gearing. All alternatives are conceivable within the scope of the invention and are included.
  • a closing device for a motor vehicle lock and in particular a motor vehicle door lock closing aid is made available, which not only enables the closing process to be interrupted effectively, but also realizes and implements this in a surprisingly simple manner.
  • the power flow element or gearwheel element which can be engaged and disengaged as desired, is provided as part of the transmission.
  • additional devices, couplings, etc. can be expressly dispensed with.
  • the power flow element or gearwheel element is configured as part of the transmission so that it can be engaged and disengaged in order to be able to selectively interrupt and close the power flow. This is where the main advantages can be seen.
  • FIGS. 1 and 2 the closing device according to the invention in a perspective view together with a handle for interrupting a closing process
  • FIGS. 3 and 4 show the object according to FIGS. 1 and 2 from a different angle with the force flow element engaged (FIG. 3) and the force flow element in the disengaged state (FIG. 4).
  • a closing device for a motor vehicle lock is shown in general.
  • the motor vehicle lock is a motor vehicle door lock. Consequently, a motor vehicle door lock closing aid is realized overall.
  • this first of all has a locking mechanism 1 , 2 consisting essentially of a rotary latch 1 and a pawl 2 .
  • the locking mechanism 1 , 2 is rotatably mounted in a metal lock case 3 .
  • the detailed design is such that the electric motor 4 has a worm 5 on its output shaft 10 .
  • the worm 5 meshes with a first gear element 6.
  • the first gear element 6 in turn works on a further second gear element 7.
  • a gear wheel element 8 is mounted in the transmission element 7 in a rotationally fixed and axially displaceable manner, which is explained in more detail below as a power flow element 8 designed according to the invention and which can be selectively engaged and disengaged.
  • the gear element 8 in turn drives a drive pawl 9 on the output side of the transmission 5 to 9 .
  • the drive pawl 9 is pivoted clockwise about its axis during a closing operation, as indicated by a corresponding arrow in FIG.
  • the pivotal movement of the drive pawl 9 in the clockwise direction has the result that the drive pawl 9 moves against a pin 1a on the rotary latch 1 and consequently acts on it in a pulling sense, i. H. in the sense of a counterclockwise movement about its axis, which is also indicated in FIG.
  • a locking bolt 11 which is only indicated, is increasingly pulled into an insertion slot 12 of the lock case 3 . Since the locking bolt 11 is connected to a motor vehicle door, not shown, this process also corresponds to the motor vehicle door in question being moved into a closed position in comparison to the motor vehicle body that accommodates and rotatably supports it, which is also not expressly shown .
  • the design is such that the transmission in question 5 to 9 can be mechanically interrupted during a closing process of the rotary latch 1 and consequently the associated motor vehicle door. Such an interruption is required, for example, to ensure protection against pinching.
  • the transmission 5 to 9 has, for mechanically interrupting the closing process, the previously mentioned and explained optionally engageable and disengageable power flow element 8, which is a gear element 8 according to the exemplary embodiment.
  • the force flow element or gear wheel element 8 can be designed so that it can be acted on linearly, namely it can be moved axially or linearly, as an arrow in FIG. 4 makes clear.
  • a spring that is additionally provided and not expressly shown may ensure that the force flow element 8 is prestressed in its engaged position with the aid of said spring.
  • the engaged position of the power flow element or gearwheel element 8 is shown in FIG.
  • FIG. 4 corresponds to the disengaged position of the force flow element or gear wheel element 8.
  • a handle 13, 14 is implemented according to the exemplary embodiment, which can best be illustrated with reference to Figures 1 and 2 can understand.
  • the handle 13, 14 is composed of a pivoting lever 13, which can be rotated about an axis 15, on the one hand, and a nose 14 coupled in a rotationally fixed manner to the pivoting lever 13, on the other hand.
  • the force flow element or gear element 8 By acting on the force flow element 8 using the nose 14 as part of the handle 13, 14, the force flow element or gear element 8 goes from its initially engaged position in FIG. 3 (corresponding to the representation in FIG. 1) into the disengaged position as shown in FIG.
  • the pivoted position of the handle 13, 14 according to FIG. 2 corresponds to this.
  • the force flow element or gear wheel element 8 is axially displaced relative to the second gear element 7 supporting it.
  • the gear element 8 is closed for this purpose rotationally test coupled to said second gear element 7.
  • the gearwheel element 8 has a plurality of radial pins 8c, which engage in associated pin receptacles 16 in the second gear element 7 in a rotating manner.
  • four radial journals 8c are realized at regular 90° intervals, starting from a center of the predominantly cylindrical gear wheel element 8 . These engage in four correspondingly arranged pin receptacles 16 in the second gear element 7 .
  • the gear wheel element or force flow element 8 which is of cylindrical design overall, is equipped with the radial pin 8c in question on the foot side.
  • a center piece 8a is then provided, which is designed as a cylinder section in the exemplary embodiment.
  • a toothing 8b provided on the head side of the gear wheel element or force flow element 8 adjoins the center piece 8a. With this toothing 8b, the power flow element or gearwheel element 8 engages in the drive pawl 9 or a toothing there and ensures during the closing process of the rotary latch 1 that the drive pawl 9 is pivoted clockwise about its axis in the illustration according to Fig. 3 and characterized against the pin 1 a of the rotary latch 1 moves to tighten them counterclockwise.
  • a plastic housing or lock housing 17 enclosing the entire motor vehicle lock is only indicated.
  • the handle 13, 14 can be acted upon directly by an operator or is accessible via an extension, a Bowden cable, etc. if required.
  • the closing process can be interrupted immediately if necessary, and in this way a particularly simple and cost-effective anti-jamming device is implemented.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un dispositif de fermeture pour une serrure de véhicule automobile, en particulier un dispositif d'aide à la fermeture pour une serrure de portière de véhicule automobile. Selon sa conception de base, ladite aide à la fermeture comporte un mécanisme de verrouillage (1, 2) constitué essentiellement d'un pêne pivotant (1) et d'un cliquet (2). En outre, un moteur électrique (4) et une transmission (5, 6, 7, 8, 9) suivant le moteur électrique (4) sont réalisés. La transmission (5 à 9) agit sur le pêne pivotant (1) au moins pendant une opération de fermeture. Selon l'invention, pour l'interruption mécanique de l'opération de fermeture, la transmission (5 à 9) a un élément de flux de force (8) qui peut être mis en prise et libéré de manière sélective.
EP21823748.5A 2020-12-03 2021-12-02 Dispositif de fermeture pour serrure de véhicule automobile Pending EP4256157A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020132139.2A DE102020132139A1 (de) 2020-12-03 2020-12-03 Zuzieheinrichtung für ein Kraftfahrzeug-Schloss
PCT/DE2021/100958 WO2022117152A1 (fr) 2020-12-03 2021-12-02 Dispositif de fermeture pour serrure de véhicule automobile

Publications (1)

Publication Number Publication Date
EP4256157A1 true EP4256157A1 (fr) 2023-10-11

Family

ID=78844824

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21823748.5A Pending EP4256157A1 (fr) 2020-12-03 2021-12-02 Dispositif de fermeture pour serrure de véhicule automobile

Country Status (5)

Country Link
US (1) US20240003169A1 (fr)
EP (1) EP4256157A1 (fr)
KR (1) KR20230113803A (fr)
DE (1) DE102020132139A1 (fr)
WO (1) WO2022117152A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021120893A1 (de) * 2021-08-11 2023-02-16 Kiekert Aktiengesellschaft Zuzieheinrichtung für ein Kraftfahrzeugschloss
US12595689B2 (en) * 2023-08-02 2026-04-07 Kiekert Ag Motor vehicle lock, in particular motor vehicle side door lock

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5642636A (en) * 1993-01-22 1997-07-01 Mitsui Kinzoku Kogyo Kabushiki Kaisha Locking device for trunk lids
DE19828040B4 (de) 1998-06-24 2005-05-19 Siemens Ag Kraftunterstützte Schließeinrichtung
DE102004036655A1 (de) 2004-07-28 2006-02-16 BÖCO Böddecker & Co. GmbH & Co. KG Vorrichtung zum automatischen Schließen einer Fahrzeugtür
EP2050903B1 (fr) * 2007-10-17 2012-06-27 Huf Hülsbeck & Fürst GmbH & Co. KG Fermeture pour véhicules
DE102008048773A1 (de) * 2008-09-24 2010-03-25 Kiekert Ag Kraftfahrzeugtürverschluss
DE102011012650A1 (de) 2011-02-28 2012-08-30 BROSE SCHLIEßSYSTEME GMBH & CO. KG Schloss für ein Kraftfahrzeug
US10094147B2 (en) * 2012-04-13 2018-10-09 Inteva Products, Llc Rear compartment latch with power and manual release mechanism
US9435145B2 (en) * 2013-01-21 2016-09-06 Inteva Products, Llc Apparatus and method for preventing movement of release mechanism of a vehicle latch
US10472869B2 (en) 2015-03-12 2019-11-12 Strattec Security Corporation Powered latch mechanism with manual release
US20180058112A1 (en) * 2016-09-01 2018-03-01 AISIN Technical Center of America, Inc. Vehicle door closing and releasing apparatus
US11072949B2 (en) * 2016-09-23 2021-07-27 Strattec Security Corporation Powered latch mechanism with manual release
DE102018107210A1 (de) 2018-03-27 2019-10-02 Kiekert Ag Kraftfahrzeugtürschloss
DE102019110253A1 (de) * 2019-04-18 2020-10-22 Kiekert Aktiengesellschaft Türschloss insbesondere Kraftfahrzeugtürschloss
EP3956533B1 (fr) * 2019-04-19 2024-07-03 Inteva Products, LLC Surpassement de service pour système de verrouillage à libération électrique
DE102019107845A1 (de) 2019-05-03 2020-11-05 Kiekert Aktiengesellschaft Schloss mit Zuzieheinrichtung für ein Kraftfahrzeug
DE102021108162A1 (de) * 2021-03-31 2022-10-06 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss insbesondere Kraftfahrzeug-Türverschluss

Also Published As

Publication number Publication date
WO2022117152A1 (fr) 2022-06-09
CN116547433A (zh) 2023-08-04
US20240003169A1 (en) 2024-01-04
DE102020132139A1 (de) 2022-06-09
KR20230113803A (ko) 2023-08-01

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