EP2126417A1 - Dispositif d'actionnement à mécanisme de retour du levier de sélection - Google Patents

Dispositif d'actionnement à mécanisme de retour du levier de sélection

Info

Publication number
EP2126417A1
EP2126417A1 EP08715530A EP08715530A EP2126417A1 EP 2126417 A1 EP2126417 A1 EP 2126417A1 EP 08715530 A EP08715530 A EP 08715530A EP 08715530 A EP08715530 A EP 08715530A EP 2126417 A1 EP2126417 A1 EP 2126417A1
Authority
EP
European Patent Office
Prior art keywords
selector lever
actuating device
shift
detent
control link
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.)
Withdrawn
Application number
EP08715530A
Other languages
German (de)
English (en)
Inventor
Andreas Giefer
Jörg Meyer
Ludger Rake
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.)
ZF Friedrichshafen AG
Original Assignee
ZF Friedrichshafen 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 ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP2126417A1 publication Critical patent/EP2126417A1/fr
Withdrawn legal-status Critical Current

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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/0204—Selector apparatus for automatic transmissions with means for range selection and manual shifting, e.g. range selector with tiptronic
    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
    • F16H63/48—Signals to a parking brake or parking lock; Control of parking locks or brakes being part of the transmission
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/24—Providing feel, e.g. to enable selection
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H2059/0295—Selector apparatus with mechanisms to return lever to neutral or datum position, e.g. by return springs
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/24—Providing feel, e.g. to enable selection
    • F16H2061/241—Actuators providing feel or simulating a shift gate, i.e. with active force generation for providing counter forces for feed back
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/20067—Control convertible between automatic and manual operation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/20085—Restriction of shift, gear selection, or gear engagement
    • Y10T74/20098—Separate actuator to disengage restrictor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/20085—Restriction of shift, gear selection, or gear engagement
    • Y10T74/20122—Spherical restrictor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/20085—Restriction of shift, gear selection, or gear engagement
    • Y10T74/20128—Resiliently biased restrictor

Definitions

  • the invention relates to an actuation device for a gear change transmission, in particular for an automatic transmission with shift-by-wire actuation, according to the preamble of patent claim 1.
  • Gear change transmissions of motor vehicles are usually controlled or switched by means of an operating device arranged in the grip region of the driver.
  • actuating elements such as shift levers or selector levers are regularly used, which are arranged, for example, between the front seats of the motor vehicle.
  • the driver can therefore close on the one hand from the respective selector lever position to the current switching state of the transmission, or recognize the gear lever in each case engaged gear on the basis of the selector lever position, and on the other hand rely on the selector lever position does not deviate from the actual switching state of the transmission.
  • the selector lever position is no longer consistent with the actual switching state of the transmission.
  • the driver would therefore assume that the transmission is, for example, in the neutral position or in a drive position, while in the transmission, in contrast, the parking brake is engaged. This discrepancy between the selector lever position and the transmission state could thus lead to unwanted operating errors, to erroneous conclusions by the driver and thus also to safety-critical situations.
  • an additional signaling device for the driver which signals the driver in the event of the parking lock engaged by Auto-P, that the vehicle can only be started when first the selector lever manually in the parking brake position and thus in accordance is brought to the actual switching state of the transmission.
  • the safety function known as the so-called keylock system in the automatic gear change transmission leads to a blockage of the selector lever in position "P" as long as the ignition key is removed.
  • the known, monostable trained controls also have the disadvantage that the driver has to get used to a new operating concept with the always back to the middle position lever, this operating concept differs significantly from the traditional transmission operation.
  • an actuator for a gear change in particular the storage of a selector lever that allows movement of the selector lever between at least two shift gates, structurally simple, very compact and cost-effective and robust perform.
  • This object is achieved by an actuating device having the features of patent claim 11.
  • the actuating device comprises a selector lever and a locking device with a latching element which slides spring-loaded in a detent gate.
  • the selector lever - in accordance with the traditional operating concept - is designed as a multi-stable operating element with stable selector lever positions.
  • the actuating device is characterized by a separating device with an actuation - for example, electric motor or electromagnetically - driven thrust wedge.
  • an actuation - for example, electric motor or electromagnetically - driven thrust wedge By means of the thrust wedge latching element and latching gate can be spent from a first relative actuator position in a further relative position.
  • the latching element engages latching in corresponding latching recesses of the latching gate, which represents the normal operation of the actuating device, with corresponding detenting of the selector lever in the individual selector lever positions.
  • the detent element is disengaged from the latching track of the detent gate.
  • the selector lever can be smoothly and quietly set in motion, in particular automatically return to the parking brake position.
  • the latter can for example be actuated or by spring force, since the selector lever braking reaction and friction forces of the locking element in the Rastkuhsse be eliminated thanks to the separator according to the invention. If, for example, the driver has failed to manually engage the parking brake when the vehicle is parked, then the parking lock is automatically engaged by the transmission control after the ignition key has been removed or the vehicle has been left.
  • the selector lever is automatically returned to the parking lock position from the last engaged drive position, so that the actual shift state of the transmission (parking lock) finally coincides with the position of the selector lever ("P") agrees again.
  • P position of the selector lever
  • the actuating device further comprises a driving device connected to the thrust wedge for actuator displacement of the selector lever from a first shift gate into a further shift gate.
  • the entrainment device can be brought to bear against a stop region connected to the selector lever.
  • the latching element may be a spring-loaded roller.
  • the locking element is spring-loaded Detent pin formed.
  • the locking pin is connected at its end remote from the detent gate with a lifting pin, for example, penetrated by the lifting pin, and the lifting pin is engaged by the thrust wedge.
  • the actuating device comprises an actuatable sliding control link and an engaging with the control link, driven by the control link pivot lever, wherein the pivot lever is in turn operatively engaged with the pusher.
  • control link can be arranged linearly displaceable in the vehicle longitudinal direction, while pivot lever, driver and thrust wedge are arranged so that their movement and possibly the actuator displacement movement of the selector lever between the shift gates in Vehicle transverse direction takes place.
  • control link can be used with constructive advantage for other tasks in the actuator, as shown below.
  • the actuator comprises an actuatorally driven linear spindle for the sliding actuation of the control link, wherein the drive of the linear spindle is preferably carried out by a servo motor.
  • the actuator actuation of the selector lever in particular the automatic return of the selector lever takes place in the parking brake position. So it is conceivable, for example, that the selector lever - after the deactivation of the locking device by the separator - automatically falls back into the parking brake position due to an application of spring force by a spring accumulator, or that this is a separate actuator is used.
  • an acting between the control link and selector lever stop means for actuatoric pivotal movement of the selector lever is provided.
  • the stop device is used for actuatoric pivoting of the selector lever, in particular within the Fahrchngasse for aktuatorischen feedback of the selector lever in the parking brake position, resulting in a structurally very advantageous multiple benefits of Steuerkulisse. Because in this way the control link serves both to drive the pivot lever and thus the thrust wedge or the separating device, as well as in addition to the actuator pivotal movement of the selector lever.
  • the invention further relates to an actuator for selecting shift stages of a gear change transmission, in particular an automatic transmission with shift-by-wire operation, wherein the actuating device comprises a selector lever with a plurality of selector lever positions and at least two shift gates.
  • the actuating device is characterized in that the selector lever - for selecting the switching stages - is pivotable in the direction of travel about a bearing axis, and additionally displaceable transversely to the direction of travel along the bearing axis.
  • the selector lever - for selecting the switching stages - is pivotable in the direction of travel about a bearing axis, and additionally displaceable transversely to the direction of travel along the bearing axis.
  • this actuator is particularly well suited for combination with the above-described separator and the associated actuator.
  • a particularly preferred embodiment of the invention also provides that, in the case of an actuating device with a selector lever displaceable along the bearing axis and with a detent device and separating device, the thrust wedge and the entrainment device are integrally formed and mounted on the bearing axis.
  • This embodiment is characterized in particular by cost manufacturability and by structurally simple and space-saving arrangement of the thrust wedge and the driver.
  • Fig. 1 is a schematic isometric view of an embodiment of a
  • Fig. 1 shows a schematic isometric illustration of an embodiment of an actuating device according to the invention for a gear change transmission.
  • the locking pin 6 is part of the locking device of the illustrated actuating device, which further has a (not shown for clarity) detent gate with detent recesses.
  • the locking recesses are assigned to the stable selector lever positions P, R, N and D and the center position in the Tipgasse such that the selector lever 1 remains after selecting one of these positions in each case in the selected position.
  • Fig. 1 also shows the separator out, with the locking pin 6 can be withdrawn and thus disengaged from the detent gate to allow the subsequent automatic return of the selector lever 1 in the parking brake position "P".
  • the separating device comprises in particular the here fork-shaped thrust wedge 7 and a lifting pin 8, which is connected to the detent gate end facing away from the locking bolt 6 with the locking pin 6 and movably received in a slot 9 in the locking bolt housing 5.
  • the movement of the thrust wedge 7 takes place via a pivot lever 11 which is pivotally mounted at its lower end related to the drawing about a connected to the (not shown) housing base of the actuator pivot axis, and at its subscription-related upper end a shift fork 12 has.
  • the shift fork 12 of the pivot lever 11 engages in a driving groove of a driver 13 connected to the pusher 13, wherein the driver 13 is pushed onto the bearing axis 14 of the selector lever 1 and thus - in addition to the support collar 10 - simultaneously forms a further storage for the pusher wedge 7 , which is integrally connected to the driver 13.
  • the pivoting movement of the pivoting lever 11 in turn is caused by a control link 15, namely by the control link 15 is moved along the direction indicated by the arrow Y via a linear spindle 16 by a servo motor 17.
  • the deactivation of the locking device of the selector lever 1 takes place in other words over the chain of action "servomotor 17, linear spindle 16, control link 15, pivot lever 11, driver 13, pusher 7, lifting pin 8, locking pin 6".
  • the control link 15 is moved further along the direction of the arrow Y by means of the servomotor 17.
  • the pivot lever 11 is further pivoted in the direction of arrow X, which also driver 13 and thrust wedge 7 further - also in the direction of arrow X - to be moved.
  • driver 13 and thrust wedge 7 are already on corresponding abutment surfaces 18 on the locking pin 5 and on the integrally connected to the locking pin housing selector lever 4.
  • control link 15 has been moved in the direction of arrow Y relative to the situation of FIG. 2, whereby pivot lever 11, driver 13, pusher 7 as well as the unit of selector lever 1, selector lever bearing 4 and locking pin 5 moves along the direction of arrow X have been moved.
  • selector lever 1 The shift of the unit of selector lever 1, selector lever bearing 4 and detent pin 5 was carried out by sliding on the bearing axis 14 of the selector lever 1.
  • selector lever knob 2 In the range of selector lever knob 2 can be seen that the selector lever 1 has been moved from the center position of the tipgasse in the Fahrchngasse, and now the position of the "D" corresponding position occupies.
  • control link 15 is displaced by a further distance in the direction of arrow Y by means of the servomotor 17 via the linear spindle 16, after which the situation according to FIG. 4 results.
  • the control link 15, however, has a not visible in the illustration of FIGS. 1 to 4 driving projection 20 on its underside, see Fig. 5.
  • the driving projection 20th 3 in the relative position of control link 15 and selector lever 1 shown in FIG. 3, engages with a driver pin 21 arranged on the selector lever bearing 4.
  • the driver pin 21 is indicated by dashed lines in both FIG. 1 and FIG.
  • FIG. 5 shows the situation according to FIG. 1, but viewed along the arrow P in FIG. 4.
  • FIG. 5 apart from the servomotor 17, linear spindle 16, control link 15, pivoting lever 11, driver 13, sliding wedge 7, bearing axis 14 , Selector lever 1 and locking pin 6 with lifting pin 8 in particular arranged on the underside of the control link 15 driving projection 20 and dashed arranged on the selector lever bearing 4 driving pin 21.
  • the driving projection 20 of the control link 15 first strikes in the relative position of control link 15 and selector lever 4 according to FIG In the further sliding movement of the control link 15 in the direction of arrow Y thus entrainment of the pin 21 and thus pivoting connected to the pin 21 selector lever bearing 4 and the unit of selector lever 1, selector lever storage 4, locking bolt housing 5 with locking pin 6 and thrust wedge 7 inellesz eigersinn according to FIG. 5, until finally the situation and relative position shown in FIG. 4 is reached.
  • the return of the selector lever 1 in the parking brake position works not only starting from the tip track, but also from each of the other selector lever positions D, N or R out, as shown in FIGS. 1 to 4 with the only difference that the selector lever 1 initially in each of the other selector lever positions D, N or R as the starting position.
  • an actuator for motor vehicle transmission which has the advantage over the prior art, the advantage of one with the actual switching state of the transmission always matching selector lever position.
  • the storage of the selector lever and the actuator used for returning the selector lever structurally particularly compact, robust and therefore cost-effective.
  • the invention it is possible to ensure that the selector lever can be safely returned to the parking brake position from any desired position.
  • the invention enables a reliable for the driver optical as well as haptic feedback on the actual switching state of the transmission, especially in the case of the automatically inserted by means of "Auto-P" parking brake.
  • the invention thus makes a significant contribution to improving the ergonomics and safety of actuators for motor vehicle transmission, especially in the application in the field of shift-by-wire-controlled automatic transmission.

Abstract

Dispositif d'actionnement pour la sélection de rapports de vitesses d'une boîte de changement de vitesses du type 'shift-by-wire', qui comporte un levier de sélection (1) pouvant être déplacé entre au moins une position de marche et une position de stationnement et présentant des positions stables, ainsi qu'un dispositif d'enclenchement pourvu d'un élément d'enclenchement (6) sollicité par ressort et d'une coulisse d'enclenchement. Selon la présente invention, ledit dispositif d'actionnement se caractérise par la présence d'un dispositif de séparation pourvu d'un coin de poussée (7) entraîné par actionneur. L'élément d'enclenchement (6) et la coulisse d'enclenchement peuvent être amenés, à l'aide du coin de poussée (7), d'une première position relative dans laquelle l'élément d'enclenchement (6) fait saillie dans une piste de commande de vitesse de la coulisse d'enclenchement dans une autre position relative dans laquelle l'élément d'enclenchement (6) ne fait pas saillie dans la piste de commande de vitesse de la coulisse d'enclenchement. La présente invention permet un retour automatique du levier de sélection dans la position de stationnement et offre ainsi au conducteur du véhicule une information en retour correcte, tant sur le plan optique que tactile, sur l'état effectif de rapport enclenché de la boîte de vitesses.
EP08715530A 2007-03-27 2008-03-05 Dispositif d'actionnement à mécanisme de retour du levier de sélection Withdrawn EP2126417A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007015262A DE102007015262B4 (de) 2007-03-27 2007-03-27 Betätigungseinrichtung
PCT/DE2008/000381 WO2008116437A1 (fr) 2007-03-27 2008-03-05 Dispositif d'actionnement à mécanisme de retour du levier de sélection

Publications (1)

Publication Number Publication Date
EP2126417A1 true EP2126417A1 (fr) 2009-12-02

Family

ID=39522683

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08715530A Withdrawn EP2126417A1 (fr) 2007-03-27 2008-03-05 Dispositif d'actionnement à mécanisme de retour du levier de sélection

Country Status (7)

Country Link
US (1) US8336418B2 (fr)
EP (1) EP2126417A1 (fr)
JP (1) JP5264879B2 (fr)
KR (1) KR101394678B1 (fr)
CN (1) CN101646883B (fr)
DE (1) DE102007015262B4 (fr)
WO (1) WO2008116437A1 (fr)

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US8336418B2 (en) 2012-12-25
KR101394678B1 (ko) 2014-05-14
WO2008116437A1 (fr) 2008-10-02
JP5264879B2 (ja) 2013-08-14
CN101646883B (zh) 2013-09-18
KR20090122450A (ko) 2009-11-30
JP2010522115A (ja) 2010-07-01
CN101646883A (zh) 2010-02-10
US20100024584A1 (en) 2010-02-04
DE102007015262A1 (de) 2008-10-02
DE102007015262B4 (de) 2009-07-09

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