WO2020078515A1 - Unité d'entraînement électrique servant à fermer et/ou à ouvrir une serrure de véhicule automobile - Google Patents

Unité d'entraînement électrique servant à fermer et/ou à ouvrir une serrure de véhicule automobile Download PDF

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Publication number
WO2020078515A1
WO2020078515A1 PCT/DE2019/100904 DE2019100904W WO2020078515A1 WO 2020078515 A1 WO2020078515 A1 WO 2020078515A1 DE 2019100904 W DE2019100904 W DE 2019100904W WO 2020078515 A1 WO2020078515 A1 WO 2020078515A1
Authority
WO
WIPO (PCT)
Prior art keywords
wheel
drive wheel
drive
drive unit
rotation
Prior art date
Application number
PCT/DE2019/100904
Other languages
German (de)
English (en)
Inventor
Jan Zejda
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 WO2020078515A1 publication Critical patent/WO2020078515A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/001—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for conveying reciprocating or limited rotary motion
    • 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
    • E05B81/36—Geared sectors, e.g. fan-shaped gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels

Definitions

  • Electric drive unit for closing and / or opening a
  • the invention relates to an electric drive unit for closing and / or opening a motor vehicle lock, in particular a motor vehicle door lock, with an actuation unit for actuating the motor vehicle lock, with an electric motor and a downstream transmission, which are provided to act upon the actuation unit.
  • the transmission is formed with at least one drive wheel and one driven wheel, and wherein at least one wheel has a toothed segment.
  • Electric drive units for closing and / or opening a motor vehicle lock are generally known from DE 10 2015 107 955 A1.
  • drive units can in principle also be used to open and / or close motor vehicle seat back locks or motor vehicle fuel filler flap locks.
  • the motor vehicle door locks may also include motor vehicle tailgate locks, motor vehicle front hood locks, etc.
  • a cable pull is implemented as a transmission element connected upstream of the closing lever or opening lever.
  • An external operating lever is used here as the opening lever or closing lever.
  • the gear used is a spur gear, which has a pinion and a gear.
  • an actuating element designed as a linear adjusting spindle is realized, which engages in a central hollow bore of the gearwheel, so that in this way rotational movements of the gearwheel can be converted into corresponding linear movements of the actuating element or the linear adjusting spindle.
  • the further prior art according to EP 1 614 840 A2 is concerned with a closing drive which has a pair of levers which can be moved by a motor.
  • the pair of levers consists of a main lever and a secondary lever. Different torques can be realized in this way.
  • the motor or electric motor works on a gear which drives a control cam of a worm wheel with the aid of a downstream worm.
  • a locking mechanism is used, which can be transferred to a closed and open position via a drive.
  • the drive is composed of an electric motor and a gearbox consisting of at least the drive wheel and the driven wheel.
  • the driven wheel is arcuate with a tooth segment.
  • the electric motor In order to reverse the drive unit, the electric motor must be acted on in the opposite direction compared to the drive direction.
  • a generic electric drive unit for closing and / or opening a motor vehicle lock in the context of the invention is characterized in that the drive wheel is equipped with different toothed segments, which in its rotation depending on the angle of rotation with the driven wheel or different driven wheels come into engagement.
  • the drive wheel is equipped with different tooth segments. These varying tooth segments can differ from one another in that, for example, teeth of different sizes or different shapes are realized. As a rule, however, the different tooth segments of the drive wheel are formed with the same teeth. The tooth segments are therefore differentiated by the angle of rotation. This means that the toothed segments of the drive wheel generally cover mutually complementary angles of rotation of the drive wheel. The most common work is with angles of rotation in the range of 120 240 °. This means that one toothed segment of the drive wheel extends over an angle of rotation of 120 °, while the other and different toothed segment covers the remaining angle of rotation of 240 ° of the drive wheel. This covers the entire full circle of 360 °, which corresponds to one revolution of the drive wheel.
  • the toothed segments of the drive wheel describe different radii compared to a common axis.
  • the design is made in such a way that a 240 “segment without teeth corresponds to the 120 ° tooth segment with the corresponding radius. That with Different 240 ° tooth segment equipped with a different radius is therefore coupled with an associated 120 “segment without teeth.
  • the different tooth segments can also be provided in a different division on the drive wheel.
  • a division of the tooth segments over 180 ° is also within the scope of the invention.
  • the two tooth segments can be divided at least in the angular range 100 260 ° to 180 7180 °, the distribution 120 7240 ° already mentioned being particularly preferred.
  • the overall design can also be made and implemented so that the different tooth segments of the drive wheel correspond to the transmission gear or the output wheels at different transmission ratios.
  • an associated complete actuation cycle that is to say closing and resetting or opening and resetting, can be implemented and implemented with desired and different transmission ratios.
  • the closing or opening in each case with a relatively small transmission ratio and consequently low speed of the actuating element acted upon by the driven wheel.
  • the restoring movement is generally realized with a high transmission ratio and accordingly fast running on the part of the actuating element. In this way, the total time to complete such an actuation cycle can be significantly reduced compared to the prior art, so that a significant improvement in comfort is observed.
  • the design is also made in such a way that when the engagement of the different toothed segments of the drive wheel with the driven gear or the plurality of driven gears changes Direction of rotation of the driven gear changes.
  • the electric motor acts unidirectionally on the transmission for the entire actuation cycle, that is, closing and resetting or opening and resetting.
  • the time for the entire actuation cycle is reduced again because the electric motor is acted upon unidirectionally for the entire actuation cycle, that is to say closing and resetting or opening and resetting, that is to say running in a single direction of rotation.
  • the drive wheel usually completes a complete rotation corresponding to 360 °.
  • the electric motor initially ensures via the gearbox that, for example, the motor vehicle lock or the actuating element acted upon by it is acted upon to close.
  • the engagement between the first toothed segment of the drive wheel and the driven wheel or one of the driven wheels corresponds to this.
  • the electric motor has applied the relevant first toothed segment over its entire rotation angle of, for example, 240 °
  • the second toothed segment which then engages with the driven gear, ensures the faster return movement or the return during the complementary rotation angle of 120 ° in the example. This also leads to a change in the direction of rotation of the driven wheel in question or another other driven wheel comes into engagement with the drive wheel. This will be explained in more detail below with reference to the exemplary embodiment.
  • the design is such that the two different toothed segments of the drive wheel can span a common plane.
  • the toothed segments of the drive wheel arranged in the common plane define a preferably radially extending gripping slot.
  • the driven wheel can dip into this engaging slot.
  • each toothed segment of the drive wheel describes two mutually parallel planes.
  • the further design is made so that each toothed segment of the drive wheel, depending on its angle of rotation, alternately comes into engagement with the respective driven wheel located in the associated plane.
  • two driven wheels are generally provided, namely one driven wheel in the associated plane of the first or second tooth segment of the drive wheel.
  • the first toothed segment of the drive gear meshes, for example, with the first driven gear located in the same plane during the relevant rotation angle.
  • there is an engagement between the second toothed segment of the drive wheel and the second driven wheel as soon as the angle of rotation of the first toothed segment has been completed by the drive wheel.
  • there is again a change in the direction of rotation of the driven wheel in question in the present case the second driven wheel compared to the first driven wheel.
  • an electric drive unit for closing and / or opening a motor vehicle lock is made available, which has a particularly compact and small construction.
  • this can be attributed to the fact that the transmission is equipped with a special drive wheel at this point, which has different tooth segments.
  • the toothed segments come in a (single) revolution of the drive wheel depending on the angle of rotation with a single output gear or the various output gears, usually first the first output gear and then the second output gear. This means that the electric motor can be acted upon unidirectionally for the entire actuation cycle.
  • FIG. 1 schematically shows a motor vehicle door lock according to the invention with an associated drive unit for pulling or opening the motor vehicle lock
  • FIGS. 3A and 3B show the transmission in a first embodiment variant
  • FIGS. 3A and 3B again FIG. 4A a closing process and FIG. 4B the associated resetting process and
  • FIGS. 5A and 5B show a further third exemplary embodiment of the invention, again the closing process in FIG. 5A and an associated resetting process in FIG. 5B.
  • a motor vehicle door lock which first of all and in its basic features has a locking mechanism made of a rotary latch 1 and associated pawl 2.
  • the locking mechanism is in a lock case 3 stored, which is only indicated in Fig. 1 and not shown completely.
  • an electric drive unit is implemented, which, as shown in FIG. 2, has an electric motor 4 and a downstream transmission.
  • the actuating unit comprises at least one actuating element 10.
  • the transmission works on a transmission element 9 connected upstream of the actuating element 10, which, as shown in FIG. 2, is designed as a linear actuating element or cable pull.
  • the electric motor 4 works via a gear 5 arranged on the output side on its output shaft or also a worm gear on a drive wheel 6 of the transmission, which meshes with a single output gear 7 in the variant according to FIGS. 3A and 3B or with two output wheels 7. 8 comes into engagement according to the exemplary embodiments in FIGS. 4A to 5B, as will be explained in more detail below.
  • Actuating element 10 of the actuating unit can be acted upon with the aid of the drive unit and the transmission element 9 to the left in accordance with the direction of the arrow ZZ (pulling in) and reset with dashed lines.
  • the actuating element 10 can be moved to the right in the direction of E ⁇ (electrical opening) and again reset in the opposite direction (dashed). Both the electrical opening and resetting as well as the closing and resetting are each completed with one turn or 360 “turn of a drive wheel 6.
  • the actuating element 10 works in the closing direction ZZ on a closing lever 11 which is rotatably mounted in the lock case or lock housing 3 and which in turn acts on the rotary latch 1 in such a way that it locks about its axis 13 performs a counterclockwise movement indicated here.
  • a locking bolt that was previously caught and not explicitly shown is drawn more and more into the locking mechanism 1, 2.
  • the associated and not shown motor vehicle door is pulled.
  • the actuating element 10 works in the opposite direction E ⁇ on an opening lever 12.
  • the opening lever 12 ensures with a contour 14 that the pawl 2 in the position shown in FIG. 1 shown closed state of the locking mechanism 1, 2 is lifted from its engagement with the rotary latch 1. This includes a clockwise rotation of the pawl 2, indicated in FIG. 1, about its associated axis 15.
  • the closing lever 11 and the opening lever 12 together with the actuating element 10 represent the actuating unit as a whole.
  • the transmission is specially designed according to the invention.
  • the transmission has at least one drive wheel 6 and one or two driven wheels 7, 8 according to the exemplary embodiment.
  • only a single driven wheel 7 is realized in the variant according to FIGS. 3A and 3B.
  • the two further embodiment variants according to FIGS. 4A and 4B and 5A, 5B each have two driven wheels, namely a first driven wheel 7 and a second further driven wheel 8.
  • the two under different toothed segments 16, 17 of the drive wheel 6 correspond to different transmission ratios with the driven wheel 7 or the two driven wheels 7, 8.
  • the electric motor 4 acts on the gear 6, 7, 8 for a complete actuation cycle, that is to say to close and reset or to open and reset each unidirectional.
  • the design is such that the toothed segments 16, 17 of the drive wheel 6 mainly cover mutually complementary angles of rotation a, ß.
  • the toothed segment 16 describes an angle a of almost 240 ° indicated in FIGS. 3A or 4B and 5B.
  • the toothed segment 17 sweeps the complementary angle of rotation or angle ⁇ from the remaining 120 °. That is, taken together, the two tooth segments 16, 17 or their associated and covered angles a, ß cover approximately 360 °, which corresponds to an entire revolution of the drive wheel 6 (a + ß « 360 °).
  • the toothed segments 1 6, 17 of the drive wheel 6 have different radii Ri and R2 compared to a common axis of rotation 18 of the drive wheel 6.
  • the tooth segment 16 is equipped with a smaller radius Ri compared to the tooth segment 17, which in contrast has an increased radius R2 compared to the common axis of rotation 18.
  • the design is such that the two toothed segments 16, 17 span a common plane. In this way, the two in the common plane on arranged toothed segments 16, 17 of the drive wheel 6 define an engaging slot 19. This engaging slot 19 extends predominantly radially and serves for the fact that the (only) driven gear 7 in this embodiment can be immersed therein.
  • the complementary angle associated with the corresponding angle a or ⁇ is designed in each case without toothed wheels.
  • the two toothed segments 16, 17 can also be seen only over a circular segment, while the area belonging outside the respective angle a or ⁇ is recessed or has no toothed wheels.
  • the two exemplary embodiments according to FIGS. 4A and 4B and 5A and 5B are distinguished by the fact that the toothed segments 16 and 17 of the drive wheel 6 describe two mutually parallel planes.
  • the design here is such that the first toothed segment 16 of the drive wheel 6 meshes with the first driven wheel 7 or can come into engagement.
  • the second toothed segment 17 interacts with the second driven wheel 8.
  • the design is such that the two toothed segments 16, 17 alternately engage with the associated driven wheel 7, 8 located in the same plane.
  • FIG. 3A first shows the process of tightening.
  • the first toothed segment 16 of the drive wheel 6 engages with the (single) driven wheel 7.
  • the drive wheel 6 is set in rotation via the gear wheel 5 and consequently the electric motor 4, in the counterclockwise rotation according to the exemplary embodiment in FIG. 3A. Since the driven gear 7 meshes with the toothed segment 16 when it is closed, this leads Counterclockwise rotation of the drive wheel 6 overall causes the driven wheel 7 to roll in the clockwise direction according to FIG. 3A on the associated toothed segment 16.
  • FIGS. 4A and 5A each show the closing process.
  • the electric motor 4 again ensures that the drive wheel 6 is acted on in the counterclockwise direction indicated.
  • the first tooth segment 16 in turn meshes with the driven gear 7 in the exemplary embodiment.
  • the driven gear 7 is the first driven gear 7 in the present case. Since the driven gear 7 is also connected to the second driven gear 8 in a meshing manner, the clockwise rotation performed by the first driven gear 7 as a result of the action by the first toothed segment 16 counterclockwise that the second driven wheel 8 rotates in the counterclockwise direction indicated in FIGS. 4A and 5A.
  • the closing process in FIGS. 4A and 5A is continued until the first toothed segment 16 has rolled on the driven gear or first driven gear 7, taking into account the associated angle or angle of rotation a of 240 ° in the example. The move corresponds to this.
  • the second toothed segment can be used 17 mesh the drive gear 6 with the second driven gear 8 and engage. This is shown in Figures 4B and 5B. Since the drive wheel 6 continues its counterclockwise movement unchanged and the second toothed segment 17 meshes with the second driven wheel 8 in this case and when resetting, the second driven wheel 8 now performs a clockwise movement shown in FIGS. 4B and 5B.
  • the electric drive unit can of course also be used without any design changes for the electrical opening E ⁇ , in that the relevant driven gear 7 or the first driven gear 7 acts on the actuating element 10 via the transmission element 9, as shown in FIG. 1 by the arrows shown there are indicated.
  • the toothed segments 16, 17 and gears 6, 7, 8 shown can have gears of any design.
  • involute gears, cycloid gears, etc. are also conceivable.
  • a centric or eccentric intervention is also possible.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne une unité d'entraînement électrique servant à fermer et/ou à ouvrir une serrure de véhicule automobile. L'unité d'entraînement dispose d'une unité d'actionnement servant à actionner la serrure de véhicule automobile, qui comprend au moins un élément d'actionnement (10), d'un moteur électrique (4) et d'une transmission disposée en aval servant à soumettre à une action l'unité d'entraînement. La transmission est réalisée avec au moins une roue d'entraînement (6) et une roue de sortie (7, 8). Au moins une roue comporte un segment denté (16, 17). Selon l'invention, la roue d'entraînement (6) est équipée de différents segments dentés (16, 17), qui viennent en prise avec la roue de sortie (7) ou différentes roues de sortie (7, 8) lors de son tour complet selon l'angle de rotation (α, ß).
PCT/DE2019/100904 2018-10-19 2019-10-17 Unité d'entraînement électrique servant à fermer et/ou à ouvrir une serrure de véhicule automobile WO2020078515A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018125991.3A DE102018125991A1 (de) 2018-10-19 2018-10-19 Elektrische Antriebseinheit zum Zuziehen und/oder Öffnen eines Kraftfahrzeug-Schlosses
DE102018125991.3 2018-10-19

Publications (1)

Publication Number Publication Date
WO2020078515A1 true WO2020078515A1 (fr) 2020-04-23

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PCT/DE2019/100904 WO2020078515A1 (fr) 2018-10-19 2019-10-17 Unité d'entraînement électrique servant à fermer et/ou à ouvrir une serrure de véhicule automobile

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DE (1) DE102018125991A1 (fr)
WO (1) WO2020078515A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023104235A1 (fr) * 2021-12-08 2023-06-15 Kiekert Aktiengesellschaft Commande d'actionnement pour des applications de véhicule à moteur

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022107518A1 (de) 2022-03-30 2023-10-05 Kiekert Aktiengesellschaft Stellantrieb für kraftfahrzeug-technische Anwendungen
DE102022107656A1 (de) * 2022-03-31 2023-10-05 Kiekert Aktiengesellschaft Kraftfahrzeug-Schloss, insbesondere Kraftfahrzeug-Türschloss
DE102022121072A1 (de) 2022-08-19 2024-02-22 Brose Schließsysteme GmbH & Co. Kommanditgesellschaft Antriebsanordnung für die motorische Verstellung eines Funktionselements einer Kraftfahrzeugschlossanordnung im Rahmen eines Verstellvorgangs

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US1142051A (en) * 1910-06-20 1915-06-08 Providence Blower Company Variable-speed gear.
US1804138A (en) * 1929-03-27 1931-05-05 Automatic Musical Instr Co Reversing gear mechanism
US2040933A (en) * 1934-08-14 1936-05-19 George A Gillen Gearing
WO1996033891A1 (fr) * 1995-04-28 1996-10-31 United Technologies Motor Systems, Inc. Appareil multi-fonctionnel utilisant un mecanisme a mouvements intermittents
EP1050643A1 (fr) * 1999-05-06 2000-11-08 Valeo Securité Habitacle Serrure comprenant un actionneur électrique en particulier pour ouvrant de véhicule automobile
DE10258391A1 (de) * 2002-12-12 2004-06-24 Kiekert Ag Kraftfahrzeugtürverschluss
EP1614840A2 (fr) 2004-07-07 2006-01-11 Huf Hülsbeck & Fürst GmbH & Co. KG Fermeture assistée pour un volet ou une porte de véhicule
DE102016100215A1 (de) * 2015-01-09 2016-07-14 Johnson Electric S.A. Fahrzeugtürschlossaktuator
DE102015107955A1 (de) 2015-05-20 2016-11-24 Kiekert Ag Elektrische Antriebseinheit
US20170130492A1 (en) * 2015-11-06 2017-05-11 Aisin Seiki Kabushiki Kaisha Vehicle door lock device

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JPH0733742B2 (ja) * 1989-11-30 1995-04-12 株式会社大井製作所 自動車用蓋体のクロージャ装置
DE19932291B4 (de) * 1999-01-22 2007-09-06 Witte-Velbert Gmbh & Co. Kg Verschluß mit Drehfalle und Sperrklinke
DE102009007900A1 (de) * 2009-02-06 2010-08-12 Huf Hülsbeck & Fürst Gmbh & Co. Kg Getriebeeinheit mit einer Nachlauffunktion
DE102016124781A1 (de) * 2016-12-19 2018-06-21 Kiekert Ag Kraftfahrzeugtürschloss

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Publication number Priority date Publication date Assignee Title
BE484277A (fr) *
US1142051A (en) * 1910-06-20 1915-06-08 Providence Blower Company Variable-speed gear.
US1804138A (en) * 1929-03-27 1931-05-05 Automatic Musical Instr Co Reversing gear mechanism
US2040933A (en) * 1934-08-14 1936-05-19 George A Gillen Gearing
WO1996033891A1 (fr) * 1995-04-28 1996-10-31 United Technologies Motor Systems, Inc. Appareil multi-fonctionnel utilisant un mecanisme a mouvements intermittents
EP1050643A1 (fr) * 1999-05-06 2000-11-08 Valeo Securité Habitacle Serrure comprenant un actionneur électrique en particulier pour ouvrant de véhicule automobile
DE10258391A1 (de) * 2002-12-12 2004-06-24 Kiekert Ag Kraftfahrzeugtürverschluss
EP1614840A2 (fr) 2004-07-07 2006-01-11 Huf Hülsbeck & Fürst GmbH & Co. KG Fermeture assistée pour un volet ou une porte de véhicule
DE102016100215A1 (de) * 2015-01-09 2016-07-14 Johnson Electric S.A. Fahrzeugtürschlossaktuator
DE102015107955A1 (de) 2015-05-20 2016-11-24 Kiekert Ag Elektrische Antriebseinheit
US20170130492A1 (en) * 2015-11-06 2017-05-11 Aisin Seiki Kabushiki Kaisha Vehicle door lock device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023104235A1 (fr) * 2021-12-08 2023-06-15 Kiekert Aktiengesellschaft Commande d'actionnement pour des applications de véhicule à moteur

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