WO2024056122A1 - Dispositif d'actionnement pour applications de véhicule automobile - Google Patents

Dispositif d'actionnement pour applications de véhicule automobile Download PDF

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Publication number
WO2024056122A1
WO2024056122A1 PCT/DE2023/100621 DE2023100621W WO2024056122A1 WO 2024056122 A1 WO2024056122 A1 WO 2024056122A1 DE 2023100621 W DE2023100621 W DE 2023100621W WO 2024056122 A1 WO2024056122 A1 WO 2024056122A1
Authority
WO
WIPO (PCT)
Prior art keywords
gears
motor vehicle
teeth
rows
gear
Prior art date
Application number
PCT/DE2023/100621
Other languages
German (de)
English (en)
Inventor
Peter Szegeny
Holger Schiffer
Michael Scholz
Ömer INAN
Original Assignee
Kiekert Aktiengesellschaft
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 Aktiengesellschaft filed Critical Kiekert Aktiengesellschaft
Publication of WO2024056122A1 publication Critical patent/WO2024056122A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—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
    • E05B81/24—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
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/06—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes
    • 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
    • F16H55/08—Profiling
    • F16H55/084—Non-circular rigid toothed member, e.g. elliptic gear

Definitions

  • the invention relates to a motor vehicle technical actuating device, with an electric motor drive for acting on an actuating element, the electromotive drive having an electric motor and a downstream transmission with at least two rows of teeth in engagement with one another and each of which is rotatable about an axis of rotation.
  • Motor vehicle technical adjusting devices are used in a variety of ways in and on a motor vehicle. Examples of this are window lifters, sunroof actuations, seat adjustments, mirror actuations, headlight adjustments but also setting devices for motor vehicle doors, adjusting devices inside or outside of motor vehicle locks, etc. Due to the specific purpose and area of application, rapidly rotating electric motors are often used at this point, which are typically with Low-voltage DC voltage of 12 V, 24 V or 48 V can be operated. With the help of these high-speed electric motors, a reduction is usually achieved via a downstream gearbox and the corresponding actuating element is moved. The movement of the actuating element can generally be a linear movement or a pivoting movement.
  • Such electromotive opening drives for the electromotive opening of motor vehicle locks are used in practice in a variety of ways and in large numbers. This makes opening the lock easier and more convenient for users. Acoustic advantages are also observed compared to purely manual opening. However, the cam actuation described is associated with relatively poor efficiency, which typically amounts to a maximum of 80%. This means that of the electrical power available on the output side of the electric motor, a maximum of 80% is available on the output side to act on the actuating element or the pawl in the example case.
  • the further state of the art according to DE 100 33 649 A1 is generally about drives and, among other things, spindle gears, which can again rely on an electric motor as a rotary drive. With the help of such linear drives or spindle gears, the previously described window lifters or sunroofs can be operated, among other things.
  • a possible transmission in this context is, among other things, a so-called pulley transmission with a variably adjustable ratio.
  • pulley drives with variable translation are unsuitable for the applications in question here in and in connection with motor vehicle doors, for example as a setting device according to the prior art according to DE 102019 115304 A1 or as an opening drive according to DE 102020 112 946 A1.
  • This can be attributed to the fact that such pulley transmissions with variably adjustable gear ratios have a sprawling design and therefore do not meet the general requirements for a compact and lightweight design.
  • the invention as a whole aims to provide a remedy here.
  • the invention is based on the technical problem of further developing such a motor vehicle technical actuating device in such a way that, taking into account a compact structure with low weight and high efficiency, it is possible to vary the torque available on the output side.
  • a generic motor vehicle technical adjusting device within the scope of the invention is characterized in that the rows of teeth of the meshing gears define a variable translation along an adjusting path of the adjusting element.
  • the procedure is such that the rows of teeth in engagement are each designed in an arc shape as rows of teeth.
  • at least one tooth row arc of one gear describes a rolling curve along the travel of the Actuating element or radius that can be changed along the pivoting movement of the gear compared to the axis of rotation.
  • the pitch curve for the other gear defined by the relevant tooth row arc of one gear is equipped with a changeable radius compared to the axis of rotation.
  • the radius can increase uniformly or be designed to decrease compared to the axis of rotation.
  • both rows of teeth of the meshing gears each define a rolling curve with a radius that can be changed along the adjustment path of the adjusting element or along the pivoting movement of the gear.
  • the respective gear is designed to be spiral-shaped compared to its axis of rotation.
  • the spiral shape of the gear in question arises from the fact that the outer circumference of the gear and consequently the tooth row arc realized at this point has a uniformly increasing increase in radius compared to the axis of rotation.
  • the procedure can be such that both gears are designed in a spiral shape with the same increase in radius. This is usually done further in such a way that the two spiral-shaped gears, each with complementary radii, mesh with one another.
  • one spiral gear for example, engages with its smallest radius of the outer circumferential spiral in the complementary radius of the other gear with its largest radius.
  • the two gears are held in mutual engagement during their common rolling movement with a fixed axis of rotation and the spirals roll against each other in a complementary manner.
  • one of the two gears can be used as the input gear of the transmission and the other gear as the output gear.
  • the output-side spiral gear for example, works with its largest radius on the actuating element that is directly or indirectly acted upon, then a high torque is available at this point at the beginning of its actuating path, which can be used, for example can in order to be able to apply an initial large opening torque to a pawl as an actuating element. Since the complementary radii of the two spiral-shaped gears mesh with each other, the torque available for acting on the pawl in the example case decreases over the travel of the actuating element or the pawl and thus the motor vehicle technical actuating device according to the invention takes exactly into account the specific requirements.
  • gears are usually made of plastic also contributes to this.
  • production as a plastic injection molded part has proven to be particularly favorable.
  • the gears can mesh with each other with straight teeth.
  • interlocking helical gears or other gears such as involute gears are also conceivable in this context. All of this can be easily realized and implemented because the gears are injection-molded plastic parts and can be precisely adapted to the specific intended use.
  • the actuating element can advantageously be provided on or in a motor vehicle door.
  • the actuating element is a setting element with the help of which an associated motor vehicle door can be set up, as is the case in the generic prior art according to DE 10 2019 115 304 A1 is described in principle.
  • the motor vehicle technical adjusting device can also represent a component of a motor vehicle lock, as described in independent claim 10. This is aimed at a motor vehicle lock and in particular a motor vehicle door lock, which is equipped with a locking mechanism consisting essentially of a rotary latch and a pawl as well as an additional operating lever chain for the locking mechanism.
  • the adjusting device according to the invention can now work on the locking mechanism and/or the operating lever chain for the locking mechanism. In the first case, it may be the already mentioned electromotive opening drive for the pawl. In the latter variant, the adjusting device according to the invention works on the actuating lever chain and can For example, these can be transferred to different functional positions such as “locked”, “theft-proof”, etc., to name just a few.
  • a motor vehicle technical actuating device which is designed to be small and weight-optimized and at the same time provides a high level of mechanical efficiency. All of this is paired with the further possibility according to the invention of being able to apply different torques on the output side to the actuating element acted upon using the adjusting device.
  • the invention takes specific requirements into account in such a way that, for example, with a pawl as an actuating element, a high torque is required at the beginning of the actuating movement or at the beginning of the actuating path of the actuating element, which can be reduced along the actuating path.
  • the core of the invention provides this variable torque curve in that the two meshing gears or at least one of these gears is spiral-shaped, so that a rolling curve for the other gear with a radius that can be changed along the rotational movement of the gear or along the adjustment path is available.
  • the torque available on the output side and for moving the actuating element can then be varied via the variable radius. This is where the main advantages can be seen.
  • FIGS 1 and 2 show a motor vehicle technical adjusting device reduced to the essential elements in two different design variants.
  • a motor vehicle technical adjusting device is shown in the figures. This basically has an electric motor drive 1, 2, 3.
  • the electric motor drive 1, 2, 3 is equipped with an electric motor 1 and a downstream gearbox 2, 3.
  • the downstream transmission 2, 3 has at least two gears 2, 3 that mesh with one another.
  • the gears 2, 3 can also only be designed as gear segments, as is the case for the gear 3. Either way, the two gears 2, 3 that are in engagement with one another have corresponding rows of teeth 4, 5, which are also in engagement with one another.
  • the two gears 2, 3 can be rotated about respective axes or axes of rotation 6, 7 that are stationary according to the exemplary embodiment. A rotation of the gear 2 about its axis 6 therefore corresponds to the circumferential row of teeth 4 of the gear 2 being in engagement with the row of teeth 5 of the adjacent gear 3, which consequently rotates about its axis 7.
  • the motor vehicle technical actuating device with the electric motor drive 1, 2, 3 described is an opening drive 1, 2, 3 for a locking device 8, 9 as part of a motor vehicle lock and in particular a motor vehicle door lock.
  • a pivoting movement of the gear 3 of the gear 2, 3 on the output side in this case in the example according to FIG Rotary latch 9 is lifted.
  • the locking mechanism 8, 9 undergoes a motor opening because the pawl 8, which was previously in locking engagement with the rotary latch 9, has been lifted from its engagement, so that the rotary latch 9 can open with spring support and release a locking bolt, not shown.
  • the associated motor vehicle door can be opened.
  • the motor vehicle technical actuating device according to the invention can also be used to set up a motor vehicle door, not shown, as has already been explained previously. Also Other areas of application and uses described in detail in the introduction to the description are conceivable.
  • the meshing rows of teeth 4, 5 of the associated gears 2, 3 are each arcuate and designed as rows of teeth 4, 5.
  • the respective tooth row arch 4, 5 describes a rolling curve indicated in the figures, which describes a variable radius Ri, R2 in comparison to the associated axis of rotation 6, 7 along an adjustment path S of the adjusting element 8 or along the pivoting movement of the associated gear 2, 3.
  • Ri denotes the smallest radius of the relevant rolling curve or the tooth row arch 4, 5 in this context, whereas R2 represents the largest radius in comparison to the associated axis 6, 7.
  • Adjusting path S is located and consequently a high torque on the output side is required to act on the pawl 8 there at the beginning of the actuating movement in order to be able to release the pawl 8 from its latching engagement with the rotary latch 9.
  • the input-side gear 2 with the associated tooth row arch 5 is in engagement with the tooth row arch 5 of the output-side gear 3, taking into account the smallest radius Ri.
  • this only applies as an example and is not to be understood as restrictive overall.
  • this ensures that, while maintaining the stationary axes or axes of rotation 6, 7, the relevant tooth row arches 4, 5 are in engagement when the associated gear 2, 3 pivots about its axis 6, 7 remain.
  • the respective gear 2, 3 is generally designed to be spiral-shaped compared to its axis of rotation 6, 7.
  • the design is usually made in such a way that the two gears 2, 3 each correspond to each other. are equipped with the right radius increase.
  • This increase in radius manifests itself in the fact that the smallest radius Ri and the largest radius R2 according to the exemplary embodiment for the associated gears 2, 3 are designed to be the same, which only applies as an example and is by no means mandatory.
  • a uniform increase in radius is observed along the tooth row arch 4, 5, starting with Ri and ending at R2.
  • the two gears 2, 3 are typically made of plastic.
  • these are plastic injection-molded parts, so that the realization of the spiral-shaped gears 2, 3 does not pose a problem in terms of manufacturing technology.
  • both gears 2, 3 are light in weight.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un dispositif d'actionnement pour des applications de véhicule automobile, qui est équipé d'un entraînement à moteur électrique (1, 2, 3) pour agir sur un élément d'actionnement (8). L'entraînement électromoteur (1, 2, 3) comporte au moins un moteur électrique (1) et un mécanisme d'engrenage aval (2, 3) avec au moins deux engrenages (2, 3) qui sont en prise l'un avec l'autre. Les engrenages sont équipés de rangées de dents (4, 5) et peuvent tourner autour d'un axe (6, 7) respectif. Selon l'invention, les rangées de dents (4, 5) définissent un rapport de transmission variable le long d'un trajet d'actionnement (S) de l'élément d'actionnement (8).
PCT/DE2023/100621 2022-09-13 2023-08-29 Dispositif d'actionnement pour applications de véhicule automobile WO2024056122A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022123249.2 2022-09-13
DE102022123249.2A DE102022123249A1 (de) 2022-09-13 2022-09-13 Kraftfahrzeug-technische Stellvorrichtung

Publications (1)

Publication Number Publication Date
WO2024056122A1 true WO2024056122A1 (fr) 2024-03-21

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ID=88016217

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Application Number Title Priority Date Filing Date
PCT/DE2023/100621 WO2024056122A1 (fr) 2022-09-13 2023-08-29 Dispositif d'actionnement pour applications de véhicule automobile

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DE (1) DE102022123249A1 (fr)
WO (1) WO2024056122A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR452468A (fr) * 1912-12-28 1913-05-17 Edmond Ray Engrenages en spirale permettant d'obtenir un changement de vitesse progressif par tour
DE19932876A1 (de) * 1999-07-16 2001-01-18 Ims Morat & Soehne Gmbh Unrundgetriebe
DE10033649A1 (de) 1999-07-12 2001-02-15 Luk Lamellen & Kupplungsbau Antrieb
EP1050643B1 (fr) * 1999-05-06 2005-11-02 Valeo Securite Habitacle S.A.S. Serrure comprenant un actionneur électrique en particulier pour ouvrant de véhicule automobile
EP1898036B1 (fr) * 2006-09-05 2010-04-14 Delphi Technologies, Inc. Dispositif d'actionnement pour un ouvrant de véhicule
DE102014200236B4 (de) * 2014-01-09 2015-12-17 Schaeffler Technologies AG & Co. KG Getriebevorrichtung mit kontinuierlich veränderbarem Gesamtübersetzungsverhältnis sowie Fahrzeug mit der Getriebevorrichtung
DE102019115304A1 (de) 2019-03-21 2020-09-24 Kiekert Aktiengesellschaft Aufstellvorrichtung für ein Kraftfahrzeugtürelement
DE102019128699A1 (de) * 2019-10-24 2021-04-29 Kiekert Aktiengesellschaft Kraftfahrzeug-schloss, insbesondere fahrzeug-heckklappe
DE102020112946A1 (de) 2020-05-13 2021-11-18 Brose Fahrzeugteile Se & Co. Kommanditgesellschaft, Bamberg Verfahren zum Betrieb eines Kraftfahrzeugschließsystems

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR452468A (fr) * 1912-12-28 1913-05-17 Edmond Ray Engrenages en spirale permettant d'obtenir un changement de vitesse progressif par tour
EP1050643B1 (fr) * 1999-05-06 2005-11-02 Valeo Securite Habitacle S.A.S. Serrure comprenant un actionneur électrique en particulier pour ouvrant de véhicule automobile
DE10033649A1 (de) 1999-07-12 2001-02-15 Luk Lamellen & Kupplungsbau Antrieb
DE19932876A1 (de) * 1999-07-16 2001-01-18 Ims Morat & Soehne Gmbh Unrundgetriebe
EP1898036B1 (fr) * 2006-09-05 2010-04-14 Delphi Technologies, Inc. Dispositif d'actionnement pour un ouvrant de véhicule
DE102014200236B4 (de) * 2014-01-09 2015-12-17 Schaeffler Technologies AG & Co. KG Getriebevorrichtung mit kontinuierlich veränderbarem Gesamtübersetzungsverhältnis sowie Fahrzeug mit der Getriebevorrichtung
DE102019115304A1 (de) 2019-03-21 2020-09-24 Kiekert Aktiengesellschaft Aufstellvorrichtung für ein Kraftfahrzeugtürelement
DE102019128699A1 (de) * 2019-10-24 2021-04-29 Kiekert Aktiengesellschaft Kraftfahrzeug-schloss, insbesondere fahrzeug-heckklappe
DE102020112946A1 (de) 2020-05-13 2021-11-18 Brose Fahrzeugteile Se & Co. Kommanditgesellschaft, Bamberg Verfahren zum Betrieb eines Kraftfahrzeugschließsystems

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Publication number Publication date
DE102022123249A1 (de) 2024-03-14

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