WO2022057965A1 - Actionneur pour applications de véhicules automobiles - Google Patents

Actionneur pour applications de véhicules automobiles Download PDF

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Publication number
WO2022057965A1
WO2022057965A1 PCT/DE2021/100611 DE2021100611W WO2022057965A1 WO 2022057965 A1 WO2022057965 A1 WO 2022057965A1 DE 2021100611 W DE2021100611 W DE 2021100611W WO 2022057965 A1 WO2022057965 A1 WO 2022057965A1
Authority
WO
WIPO (PCT)
Prior art keywords
actuator
gear stage
gear
wheel
stage
Prior art date
Application number
PCT/DE2021/100611
Other languages
German (de)
English (en)
Inventor
Robert Landskron
Marco Eggert
Christian Sturm
Tobias Steffen
Murat Özdogan
Yong Zhou
Boan Zheng
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
Priority to JP2023517258A priority Critical patent/JP2023542126A/ja
Priority to CN202180063246.1A priority patent/CN116490703A/zh
Priority to KR1020237011511A priority patent/KR20230066387A/ko
Publication of WO2022057965A1 publication Critical patent/WO2022057965A1/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
    • 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
    • F16H1/12—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with non-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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • 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
    • F16H2055/173—Crown gears, i.e. gears have axially arranged teeth
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02034—Gearboxes combined or connected with electric machines

Definitions

  • the invention relates to an actuator for motor vehicle applications, in particular for motor vehicle locking devices, having an electric motor, at least one gear stage downstream of the electric motor with a drive wheel and a driven wheel, an actuating means can be actuated by means of the gear stage and the gear stage has a means for guiding the gear components at least in certain areas.
  • actuators In addition to these general applications for actuators, they are also used in connection with motor vehicle locking devices, for example as pull-close drives or for locking the motor vehicle locks. In addition, so-called electrically operated lock holders can also be moved with such actuators in order to pull a motor vehicle door shut.
  • a multi-stage transmission device for adjusting a structural unit in a motor vehicle is described in DE 10 2010 003 044 A1.
  • the structural unit can be a seat adjuster, an outside mirror adjuster or a headlight adjuster and, in principle, also a window lifter.
  • the well-known multi-stage gear device works with a first gear stage consisting of a worm and a spur or worm gear meshing with the worm.
  • a second gear stage is also implemented.
  • the second gear stage consists of an evoloid pinion and a driven gear meshing with the evoloid pinion.
  • the spur or worm gear meshing with the worm is coupled to the evoloid pinion.
  • DE 10 2017 125 819 A1 also discloses an actuator for automotive applications, with an electric motor acting on a drive train, which in turn moves an actuator.
  • An evoloid pinion is arranged in the drive train and preferably on the drive shaft of the electric motor, which forms a spur gear stage with an output gear of the first gear stage.
  • an actuator that has a crown wheel stage has become known from the unpublished DE 10 2020 101 362.0.
  • the crown wheel stage enables high efficiency with high transmission ratios at the same time.
  • a compact design of the actuator can be ensured by the crown gear.
  • the invention is based on the technical problem of providing an actuator for motor vehicle applications which, in comparison to the previous state of the art with a compact design, ensures maximum safety during power transmission in the gear stage or stages.
  • the object is therefore to provide an improved actuator for motor vehicle applications.
  • the task is to provide a compact actuator that allows a maximum of security in the transmission of large forces within the gear stage.
  • an actuator for motor vehicle applications in particular for motor vehicle locking devices, having an electric motor, at least one gear stage downstream of the electric motor with a drive wheel and a driven wheel, an actuating means, the actuating means being actuated by means of the Gear stage can be actuated and the gear stage has a means for at least partially guiding the transmission components, the transmission components being continuously guidable.
  • the construction of the actuator according to the invention now creates the possibility of being able to transmit a continuously large force via the gear stage with minimal structural means. Particularly through the continuous guidance of the transmission components, safety when driving can be guaranteed at all times, even with changing loads.
  • the continuous engagement of the means for guiding during the engagement of the transmission components makes it possible to generate a compact design, while at the same time reliable power transmission can be guaranteed at all times.
  • the actuators associated with the invention are used in automotive applications. As described in the introduction, this can involve actuators for a closing mechanism, a lock, a seat adjustment or a lock for a charging socket of an electric vehicle, to name just a few technical application examples.
  • the actuator has an actuating means, which can be a locking pin, for example in the case of a charging socket lock, which secures the plug and socket during the charging process.
  • an extreme situation can occur in the gear stage, namely when the locking pin cannot move into its intended opening, but moves against a plug housing, for example.
  • the electric motor or the controller of the electric motor detects the current consumption and determines that there is an increased current consumption and stops the electric motor.
  • a change in the power consumption occurs with a certain delay, so that the electric motor cannot be stopped immediately when the stop position is reached, but only a few milliseconds later.
  • very high forces act on the gear stage, which can be absorbed by the continuous engagement of the guide means without the toothed segments of the gear stage skipping.
  • Small DC motors are preferably used as electric motors, which can provide high forces in the actuator via high speeds and large gear ratios.
  • a crown gear stage is preferably used as the gear stage, which manages with a minimum of installation space.
  • the driven wheel in a direction of a longitudinal extent of the drive wheel and thus providing a gear stage that can essentially be limited by a width of the electric drive.
  • the compactness of the transmission can thus be advantageously combined with a high transmission ratio and a high level of efficiency.
  • An advantageous embodiment variant of the invention results when the transmission components have means for guiding.
  • the transmission components can be guided continuously.
  • further constructive guide means can be dispensed with, so that further constructive freedom is made possible.
  • the transmission components that is, the drive and driven gear mesh in such a way that on the one hand a power transmission can be guaranteed and on the other hand and at the same time a guiding of the meshing gears Gears is made possible.
  • the gear stage thus performs a double function. On the one hand the drive function and on the other hand the management function.
  • the means for guiding can be produced by means of a form fit between the transmission component, in particular the drive wheel and the driven wheel, then a further embodiment variant of the invention results.
  • the positive locking means can be provided for guiding, which are formed by the transmission components themselves.
  • a guide means is provided by the positive fit, which secures the center distance and/or the meshing conditions between the transmission components during power transmission. It can thus be ensured that the engagement conditions do not change even if the tolerances change over the operating time of the actuator.
  • the positive connection between the transmission components can be designed in such a way that on the one hand the center distance is secured and on the other hand the meshing conditions are secured.
  • the gear stage As a crown gear stage.
  • a gear stage can be provided that requires a minimum of installation space.
  • a crown wheel stage offers the possibility of being reset, in other words the crown wheel stage can be reset manually.
  • a further embodiment variant of the invention is achieved when the drive wheel has an extension and the extension can be guided in the driven wheel.
  • the drive wheel is preferably accommodated in a form-fitting manner on the drive shaft of the electric motor and extends in the direction of the driven wheel. If the gear stage is designed as a crown gear stage, for example, then a first section of the drive wheel can have a toothing that is formed from one, two, three or more teeth. A second subsequent section of the drive wheel forms an extension that serves as a guide in the gear stage. The extension can then be used as a means of guidance in the output gear.
  • the driven wheel has a guide groove and the extension extends at least in some areas into the guide groove.
  • This structurally favorable introduction of the extension into the guide groove results in a number of advantages.
  • a first advantage is achieved in that the drive wheel can be formed in one piece and thus enables easy assembly on the drive shaft of the electric motor.
  • a second advantage results from the fact that the guide groove can also be formed in one piece on the driven wheel.
  • a third advantage results from the constructive interaction of the extension and the guide groove, since this enables the guide means to be integrated into the gear stage itself.
  • the number of components is reduced to a minimum, while the advantages of functional reliability can be combined with the design advantages. Consequently, a gear stage is provided that works independently of tolerances or at least almost independently of tolerances, has a compact structure and offers a high level of functional reliability.
  • the actuator has a housing and if the gear stage can also be guided by means of the housing, a further advantageous embodiment variant of the invention results.
  • the means of guidance can be provided by the gear stage itself. Additional securing and guidance of the gear stage components can be achieved by the housing itself engaging in the gear stage. If the electric motor with the drive wheel and the driven wheel is mounted or accommodated in the housing, a further guide can be provided by the housing cover, so that the functional reliability can be further increased.
  • the output gear can be supported by the housing cover, for example, and on the other hand, a bearing point for the drive wheel can be provided by the housing cover.
  • the extension can be guided by means of the housing. If the drive wheel has a receiving area, a gear wheel area and the extension, the extension can on the one hand serve as a guide in interaction with the driven wheel. At the same time, however, the extension can also be designed in such a way that the extension protrudes from the region of engagement with the driven wheel, so that a bearing point can be provided for the drive wheel. This design intervention makes it possible to additionally store the drive shaft, so that the drive wheel can also be stored in addition to being guided.
  • the actuator has at least two gear stages, with at least one gear stage being able to be designed as a crown wheel stage. Guiding the drive wheel in the output wheel is a way of ensuring a high level of operational reliability, with the first gear stage as a crown gear stage integrating the advantages of a crown gear stage in the actuator.
  • the second gear wheel stage is preferably designed as an adjusting wheel stage, so that on the one hand a high gear ratio can be achieved and on the other hand established techniques can be used.
  • the actuator or the actuating means can then enable a linear drive of the actuating means, for example, via a further gear stage. Overall, it is thus possible to ensure that the forces are safely introduced into the transmission of the actuating drive, with a center distance being able to be ensured and tolerance-independent driving of the actuating means being possible as a result of the structural design.
  • FIG. 1 shows a three-dimensional view of an actuator with a linearly adjustable actuating means
  • FIG. 2 shows the view according to FIG. 1 on the actuator, FIG. 2 showing the actuator with a housing cover.
  • FIG. 1 shows a three-dimensional view of an actuator 1 in a three-dimensional view and in a view of an open housing 2 .
  • the actuator 1 has a linearly adjustable actuating means 3 .
  • the actuating means can be used, for example, to lock a tank flap or a charging connector.
  • the actuator 1 has a first gear stage as a crown gear stage 4 , a second gear stage as a spur gear stage 5 and a third gear stage as a toothed rack stage 6 .
  • the crown gear stage 4 is mounted on a first axle 7 and the spur gear stage 5 and the rack stage 6 on a second axle 8 .
  • the gear stages 4, 5, 6 are driven by an electric motor 9 and the drive shaft 10 of the electric motor 9.
  • the electric motor 9 and the axles 7, 8 are accommodated in the housing 2 at least on one side.
  • the crown wheel stage 4 is formed from a drive wheel 11 and a driven wheel 12 . All of the transmission components 4 , 5 , 6 are arranged inside 13 of the housing 2 .
  • the drive wheel 11 is accommodated in a form-fitting manner on the drive shaft 10 of the electric motor 9 .
  • the drive wheel 1 1 is divided into functional areas.
  • the drive wheel 11 has a receiving area 14 , a gear wheel 15 and a guide area 16 in the form of an extension 16 .
  • the crown wheel stage 4 also has a crown wheel 17 , a guide groove 18 and a spur gear 19 . Crown gear 17, guide groove 18 and spur gear 19 are integrally formed in this embodiment.
  • the guide means 20 is formed from the extension 16 on the drive wheel 11 and the guide groove 18 on the driven wheel 12 .
  • the Extension 16 engages in a form-fitting manner in the groove 18 of the output gear 12, as a result of which secure engagement and consequently secure power transmission in the crown gear stage can be achieved. Due to the structural design of the guide means 20, a high level of functional reliability of the actuating drive 1 can be guaranteed with minimal structural effort and the smallest possible number of components.
  • the drive shaft 10 is driven by the electric motor 9, as a result of which power transmission or torque transmission to the crown gear stage 4 takes place.
  • the crown gear 17 is formed in one piece with the spur gear 19 so that torque can be transmitted to the spur gear stage 5 .
  • the spur gear stage 5 in turn is operatively connected to a gear wheel 21 of the rack stage 6 so that the actuating means 3 can be moved out of the housing 2 and into the housing 2 by means of the rack stage 6 . It is indicated that the adjusting means 3 can be adjusted through a seal.
  • Another peripheral housing seal 23 seals the housing 2 in conjunction with the housing cover 24 .
  • FIG. 2 shows the actuator 1 in a view according to FIG. 1, with the housing cover 24 additionally being installed.
  • the housing cover 24 provides bearing means 25, 26, 27 for the actuator 1.
  • a first bearing means 25 is used to fix the electric motor 9 in place, so that the electric motor 9 can be accommodated in the housing 2 safely and without play.
  • a cylindrical extension 27 serves as a bearing means 27 for the axis 7 of the crown wheel 17 of the crown wheel stage 4.
  • a bearing point 26 for the drive wheel 11 is provided by the housing cover 24.
  • the bearing point 26 engages the extension 16 of the drive wheel 11 at least in some areas.
  • a bearing point 26 for the drive wheel 11 can thus be provided by the bearing means 26, as a result of which the functional reliability of the actuator 11 is further increased.
  • the construction of the actuator 1 according to the invention ensures a compact construction of the actuator 1, with high forces being transferrable and skipping of the meshing toothed segments, particularly in the crown wheel stage 4, being able to be prevented even in extreme situations.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

L'invention concerne un actionneur (1) pour des applications de véhicules automobiles, comprenant un moteur électrique (9), au moins un étage d'engrenage (4, 5, 6) qui est relié en aval du moteur électrique (9) et comporte une roue d'entraînement (11) et une roue de sortie (12), et un moyen d'actionnement (3), le moyen d'actionnement (3) pouvant être actionné au moyen de l'étage d'engrenage (4, 5, 6), et l'étage d'engrenage (4, 5, 6) présentant un moyen (20) pour guider les composants d'engrenage (11, 12) au moins dans des zones, les composants d'engrenage (11, 12) pouvant être guidés en continu.
PCT/DE2021/100611 2020-09-16 2021-07-13 Actionneur pour applications de véhicules automobiles WO2022057965A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2023517258A JP2023542126A (ja) 2020-09-16 2021-07-13 自動車用途の為のアクチュエータ
CN202180063246.1A CN116490703A (zh) 2020-09-16 2021-07-13 用于机动车技术设备的调节驱动装置
KR1020237011511A KR20230066387A (ko) 2020-09-16 2021-07-13 자동차 적용을 위한 액추에이터

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020124091.0 2020-09-16
DE102020124091.0A DE102020124091A1 (de) 2020-09-16 2020-09-16 Stellantrieb für kraftfahrzeugtechnische Anwendungen

Publications (1)

Publication Number Publication Date
WO2022057965A1 true WO2022057965A1 (fr) 2022-03-24

Family

ID=77050736

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2021/100611 WO2022057965A1 (fr) 2020-09-16 2021-07-13 Actionneur pour applications de véhicules automobiles

Country Status (5)

Country Link
JP (1) JP2023542126A (fr)
KR (1) KR20230066387A (fr)
CN (1) CN116490703A (fr)
DE (1) DE102020124091A1 (fr)
WO (1) WO2022057965A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0840862A1 (fr) * 1995-07-21 1998-05-13 Crown Gear B.V. Transmission par engrenages comportant des axes non paralleles
DE102004062379B3 (de) * 2004-12-23 2006-02-02 ThyssenKrupp Präzisionsschmiede GmbH Zahnradpaarung aus Kronenrad und Ritzel
WO2006049366A1 (fr) * 2004-11-08 2006-05-11 Tae-Ho Maeng Transmission d'energie sans chaine
JP2009287581A (ja) * 2008-05-27 2009-12-10 Aisin Seiki Co Ltd 歯車機構
DE102010003044A1 (de) 2010-03-19 2011-09-22 Robert Bosch Gmbh Mehrstufige Getriebeeinrichtung zur Verstellung einer Baueinheit in einem Fahrzeug
JP2013155800A (ja) * 2012-01-30 2013-08-15 Aisin Seiki Co Ltd ギヤ装置
DE102014005656A1 (de) 2014-04-17 2015-10-22 Kiekert Aktiengesellschaft Antriebseinheit zum Sichern eines Drehachsenabstandes von Getriebegliedern
DE102017125819A1 (de) 2017-11-06 2019-05-09 Kiekert Ag Stellantrieb für kraftfahrzeugtechnische Anwendungen
DE102020101362A1 (de) 2020-01-21 2021-07-22 Kiekert Aktiengesellschaft Stellantrieb für kraftfahrzeugtechnische Anwendungen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329886A (en) 1980-05-01 1982-05-18 Tyco Industries, Inc. Positive mesh gearing system for toy cars

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0840862A1 (fr) * 1995-07-21 1998-05-13 Crown Gear B.V. Transmission par engrenages comportant des axes non paralleles
WO2006049366A1 (fr) * 2004-11-08 2006-05-11 Tae-Ho Maeng Transmission d'energie sans chaine
DE102004062379B3 (de) * 2004-12-23 2006-02-02 ThyssenKrupp Präzisionsschmiede GmbH Zahnradpaarung aus Kronenrad und Ritzel
JP2009287581A (ja) * 2008-05-27 2009-12-10 Aisin Seiki Co Ltd 歯車機構
DE102010003044A1 (de) 2010-03-19 2011-09-22 Robert Bosch Gmbh Mehrstufige Getriebeeinrichtung zur Verstellung einer Baueinheit in einem Fahrzeug
JP2013155800A (ja) * 2012-01-30 2013-08-15 Aisin Seiki Co Ltd ギヤ装置
DE102014005656A1 (de) 2014-04-17 2015-10-22 Kiekert Aktiengesellschaft Antriebseinheit zum Sichern eines Drehachsenabstandes von Getriebegliedern
DE102017125819A1 (de) 2017-11-06 2019-05-09 Kiekert Ag Stellantrieb für kraftfahrzeugtechnische Anwendungen
DE102020101362A1 (de) 2020-01-21 2021-07-22 Kiekert Aktiengesellschaft Stellantrieb für kraftfahrzeugtechnische Anwendungen

Also Published As

Publication number Publication date
CN116490703A (zh) 2023-07-25
KR20230066387A (ko) 2023-05-15
JP2023542126A (ja) 2023-10-05
DE102020124091A1 (de) 2022-03-17

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