WO2008052922A1 - Dispositif de modification des forces d'actionnement sur un organe de commutation - Google Patents

Dispositif de modification des forces d'actionnement sur un organe de commutation Download PDF

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Publication number
WO2008052922A1
WO2008052922A1 PCT/EP2007/061402 EP2007061402W WO2008052922A1 WO 2008052922 A1 WO2008052922 A1 WO 2008052922A1 EP 2007061402 W EP2007061402 W EP 2007061402W WO 2008052922 A1 WO2008052922 A1 WO 2008052922A1
Authority
WO
WIPO (PCT)
Prior art keywords
switching member
forces
rocker arm
spring
switching
Prior art date
Application number
PCT/EP2007/061402
Other languages
German (de)
English (en)
Inventor
Kurt Besenbeck
Andreas Grieshammer
Matthias Feuerbach
Original Assignee
Schaeffler Kg
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 Schaeffler Kg filed Critical Schaeffler Kg
Publication of WO2008052922A1 publication Critical patent/WO2008052922A1/fr

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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
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/02—Selector apparatus
    • F16H59/04—Ratio selector apparatus

Definitions

  • the invention relates to a device for varying actuating forces on a switching member in which the switching member is repeatedly moved back from an initial position in at least one operating position and from the operating position to the starting position, wherein the switching member on the way from the initial position to the operating position of the first forces is exposed at least one first spring element, which are directed against the actuating direction of the switching member and increase with approach of the switching member to the operating position.
  • the switching element may be the selector lever, a pin which is connected to the selector lever in a way that is stationary in movement, or the like or, as described in EP 08 49 506 B1, a selector lever.
  • the neutral position is the starting position of the switching element. Under the operating position is in this case or in this case, the positions of the switching element in the respective selected lane or in the switched position to understand, from which the respective gear is switched.
  • EP 08 49 506 B1 also describes that the actuating force when selecting from the neutral position in the operating position "alley" reverse gear rises particularly high. It is known that this comparatively steep increase in the actuation force is intended to prevent faulty circuits.
  • a Wählschwinge hits in the arrangement according to EP 08 49 506 B1 to a lying in its swing range drag lever, against which the first spring element is biased.
  • the first spring element is for example a compression or a tension spring - but may also be formed from a plurality of springs. The spring forces do not act directly on the switching element in this case, but are translated by means of the drag lever and are also in the operating position as before on the switching device.
  • the object of the invention is therefore to provide a device for changing operating forces, such as selector or shift forces, which is more comfortable to operate, especially when engaging the reverse gear.
  • the device has for this purpose at least two spring elements.
  • Each of the spring elements may be formed from one or more springs of various known designs.
  • An already known from the prior art spring element generates upon actuation of the switching element and its movement from the starting position into the actuating position, the counterforce, which increases with increasing distance tion of the switching member from the initial position and approach of the switching member to the operating position increases Wählkrafterhöhung. At the latest when reaching the operating position, the switching element is free of the forces of the first spring element.
  • the switching member is on the way from the operating position back to the starting position against the forces of the second spring element movable.
  • the forces of the second spring element which act on the return of the switching element in the starting position, are less than those which oppose the switching member when it is guided into the operating position. With this measure, the shifting comfort is substantially increased since the restoring forces are lower.
  • the device has a rocker arm.
  • the rocker arm is either attached to the switching element or arranged separately from the switching element in the switching device.
  • the rocker arm is tiltable about a tilt axis in at least two positions. The one position corresponds to a zero position of the rocker arm, from which it can be tilted in the reversing position. From the reverse position, the lever can be tilted back to the zero position.
  • the rocker arm is in the neutral position.
  • first of all the tilting lever shifts, ie in other words including the tilting axis, with the switching element.
  • the rocker arm is mounted on the tilting axis and has a corresponding cam or a start-up contour, that these are held in movements of the switching element in its zero position, but also from this zero position can be tilted.
  • the first spring element is biased against the rocker arm and presses the rocker arm, which can be moved longitudinally, transversely or pivotably with its tilting axis in the device, against the switching element.
  • the spring forces of the first spring element act directly without translation to the switching element or are over-or under-stocked by the rocker arm.
  • the forces of the second spring element are permanently applied to the rocker arm, but the effect of these forces can be canceled at least temporarily.
  • the forces of the second spring element in the movement of the switching element from the starting position are either canceled in the operating position or they counteract the actuating forces of the first spring element.
  • the rocker arm tilts from the neutral position to the reverse position.
  • the maximum forces of the second spring element rest on the rocker arm, so that the latter endeavors to tilt back from the reversal position into the zero position.
  • the rocker arm is supported on the switching device that direct or by the rocker arm under or translated forces of the second spring element of the operation of the switching device counteract no later than when the switching member is returned from the operating position to the starting position.
  • the shifting comfort can be arbitrarily influenced by a suitable choice of the spring elements.
  • the device can be designed so that it has any number of switching elements, but also any number of rocker arms and thus any number of spring elements, so that all the selection and switching operations of a gearbox with this device can be selectively influenced.
  • the switching member is pivotable about a pivot axis.
  • the Heidelbergorgang example a selector rocker or a selector lever.
  • the rocker arm is either located directly on the switching element and is tiltable on this or is a separate element to the switching device.
  • FIGS. 1 to 5 show an embodiment of a device in which the switching element is a shift lever or a pin coupled to the shift lever in a connecting link, in a simplified schematic representation
  • FIG. 6 a device in which the switching member is a selector rocker with a rocker arm according to the invention, in different operating positions, simplified and not shown to scale.
  • Figures 1 to 5 show a device 1, in the actuation forces on a switching element 2 in the form of a shift lever 23 from a starting position in different operating positions R, I, II, III, IV, V, VI and from there to the starting position N. is moved back.
  • the starting position in this case is the neutral position N of the shift lever to the manual transmission.
  • the numbers I to VI denote the gears 1 to 6, which are switchable with the shift lever 23.
  • the shift lever 23 is guided in a shift gate 24.
  • the individual tracks of the scenery are the individual lanes R ', I', II ', III', IV, V and VI ', which must be selected before switching the respective gear R, I to VI.
  • the device 1 As a switching element 2, the shift lever 23, a rocker arm 5, a first spring element 3 and a second spring element 4.
  • the rocker arm 5 is arranged separately from the switching element 2 and tiltable about the tilting axis 6, which dips vertically into the image plane, from the zero position into a reversal position.
  • the rocker arm 5 is shown in Figures 1 and 5 standing in the neutral position.
  • the rocker arm 5 is biased with tilting axis 6 in its position to the switching gate 24 in the representation horizontally with the shift lever 23 or by the first spring element 3 in the form of a compression spring 25 against the switching member 2.
  • the first spring element 3, that is, the compression spring 25 is, when the shift lever 23 is in neutral position N, although slightly biased against the rocker arm 5, but exerts no constraining forces on the rocker arm, which are anxious, the tilting lever 5 about the tilt axis. 6 to tilt.
  • the switching element 2 is free of the spring forces of the first spring element 3.
  • the switching element 2 When dialing into the lane R 'the switching element 2 is moved along against the rocker arms 5 and moves it completely with its tilting axis 6 3. against the first spring element
  • the spring on the length ⁇ is - ⁇ (position N in Figure 1) to the Length I 2 ( Figure 2) pressed together, since the compression spring 25 is axially supported on the plate of the shift gate 24 or at another stationary to the transmission point.
  • the operating force on the shift lever 23 in Increases the extent to which the spring force increases by shortening the length h to the length ⁇ R - ( Figure 3) in response to the spring characteristic of the compression spring 25.
  • the shift lever 23 is moved from its initial position N in the direction of the lane R ', without the Kipphe- was tilted at 5 from the zero position.
  • the rocker arm 5 is supported by the second spring element 4 on the stop 11.
  • Figure 3 shows the switching member in a dialing position in which the connecting path between the l-ll and lane alley R is overcome.
  • the compression spring 25 is to the dimension ⁇ R - compressed and the selection forces correspond to the highest setpoint.
  • the rocker arm 5 begins to tilt about the tilt axis 6 from the zero position in this illustration clockwise against the spring force in the reverse position.
  • the rocker arm 5 is in the illustration of Figure 3 and Figure 4 each in a reversal position, from which this by the spring force of the leg spring 4 strives to tilt back to the zero position.
  • the switching element 2 releases the rocker arm 5 longitudinally, so that the restoring forces of the first spring element 3 become free, because the rocker arm 5 with tilting axis 6 returns to its starting position according to FIG. 5 or FIG , wherein the compression spring 25 relaxes at h.
  • the switching element 2 is free both by the spring forces of the first spring element 3 and by the spring forces of the second spring element 4. The rocker arm 5 is snapped back into the zero position against the stop 11.
  • the pivot lever 30 is pivotable about the pivot axis 31.
  • the device 8 furthermore has a first spring element 12 in the form of a spring-loaded bolt 17.
  • the spring-loaded pin 17, whose seats may also be a ball and / or roller bearings, is biased by a first spring 18.
  • a cam-like rocker arm 20 is tiltably mounted about the tilting axis 21.
  • the tilting axis 21 and the pivot axis 31 are parallel.
  • the spring forces of a second spring element 13 are applied.
  • the second spring element 13 is a leg spring 19, whose turns are placed around the tilting axis 21 and which is supported by a leg 33 on a stop 7.
  • the stopper 7 is fixed to the plate-like pivot lever 30.
  • Another leg 34 of the leg spring 19 is tensioned in the clockwise direction in the direction of the leg 33 and is applied to the rocker arm 20 so that the rocker arm is biased in de zero position clockwise against the stop 7 (see Figure 6) or strives clockwise Reverse positions ( Figure 8) to return to the zero position.
  • a dialing position is shown, which may correspond, for example, the neutral position of a shift lever.
  • the pin 17 is biased by the first spring 18 against a ramp 14 which is formed on the pivot lever 30.
  • the rocker arm 20 is biased by the action of the spring forces of the second spring element 13 against the stop 7.
  • the pivot lever 30 switching element 9) is pivoted counterclockwise about the pivot axis 31.
  • the bolt 17 rises on the ramp 14 rising in the clockwise direction until the bolt 17 hits the cam track 15 on the rocker arm 20.
  • the pin 17 is on the cam tip 16 and has since lifted from the ramp 14 at the latest.
  • the switching member 9 is further pivoted in the form of the pivot lever 30 counterclockwise, the bolt 17 moves briefly on the cam track 35. Since the smallest of the spring forces of the first spring 18 is greater than the largest of the spring forces of the second spring 19, the effect the second spring 19, which holds the rocker arm 20 until then on the stop 11, repealed and the rocker arm 20 starts clockwise about the tilting axis 21, for example, to tilt a pivot pin and lift off the stop.
  • the bolt 17 is pushed back by the spring 18 linearly back towards the ramp 14, again hits the ramp 14 and thus simultaneously lies on the rocker arm 30 on the cam track 35 and on the ramp 14 ( Figure 8).
  • the switching member 9 is in the operating position and is exposed in this position, the spring forces of the first spring element 12 and the second spring element 13 at the same time.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

L'invention concerne un dispositif (1, 8) de modification des forces d'actionnement sur un organe de commutation (2, 9). L'organe de commutation (2, 9) peut être déplacé de manière répétitive d'une position de départ dans au moins une position d'actionnement et ramené de la position d'actionnement dans la position de départ, l'organe de commutation (2, 9) étant exposé sur le trajet de la position de départ (N) vers la position d'actionnement (R') aux premières forces d'au moins un premier élément formant ressort (3, 12) qui sont dirigées à l'encontre de la direction d'actionnement de l'organe de commutation (2, 9) et qui augmentent au fur et à mesure que l'organe de commutation (2, 9) approche de la position d'actionnement (R').
PCT/EP2007/061402 2006-11-02 2007-10-24 Dispositif de modification des forces d'actionnement sur un organe de commutation WO2008052922A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006051650.8 2006-11-02
DE200610051650 DE102006051650A1 (de) 2006-11-02 2006-11-02 Vorrichtung zum Verändern von Betätigungskräften an einem Schaltorgan

Publications (1)

Publication Number Publication Date
WO2008052922A1 true WO2008052922A1 (fr) 2008-05-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/061402 WO2008052922A1 (fr) 2006-11-02 2007-10-24 Dispositif de modification des forces d'actionnement sur un organe de commutation

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DE (1) DE102006051650A1 (fr)
WO (1) WO2008052922A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008057834A1 (de) * 2008-11-19 2010-05-20 Schaeffler Kg Vorrichtung zur Lageerkennung eines beweglichen Schaltungs- oder Stellelements
DE102010034285A1 (de) 2010-08-13 2012-02-16 Schaeffler Technologies Gmbh & Co. Kg Schaltvorrichtung für ein Zahnräderwechselgetriebe

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4275612A (en) * 1978-03-30 1981-06-30 Eaton Corporation Shift control for change speed gear transmission for vehicle
EP0849506A1 (fr) * 1996-12-19 1998-06-24 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Elément ressort de rappel d'organes de sélection pour transmission multivitesses
EP0985857A2 (fr) * 1998-09-07 2000-03-15 INA Wälzlager Schaeffler oHG Manchon d'immobilisation d'un arbre de commande
EP1267240A1 (fr) * 2001-06-13 2002-12-18 Getrag Ford Transmissions GmbH Changement de vitesse pour une boíte de vitesses manuelle d'un véhicule automobile
FR2831633A1 (fr) * 2001-10-25 2003-05-02 Renault Procede et dispositif de commande d'une boite de vitesses robotisee
EP1342940A2 (fr) * 2002-03-06 2003-09-10 INA-Schaeffler KG Dispositif pour produire une force antagoniste pour un arbre de commande

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3571760B2 (ja) * 1994-06-02 2004-09-29 アイシン・エーアイ株式会社 マニュアルトランスミッションのシフト機構
DE10005328A1 (de) * 2000-02-08 2001-08-09 Zf Lemfoerder Metallwaren Ag Schaltvorrichtung für ein Automatikgetriebe
DE10232212A1 (de) * 2002-07-17 2004-01-29 Zf Sachs Ag Betätigungseinrichtung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4275612A (en) * 1978-03-30 1981-06-30 Eaton Corporation Shift control for change speed gear transmission for vehicle
EP0849506A1 (fr) * 1996-12-19 1998-06-24 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Elément ressort de rappel d'organes de sélection pour transmission multivitesses
EP0985857A2 (fr) * 1998-09-07 2000-03-15 INA Wälzlager Schaeffler oHG Manchon d'immobilisation d'un arbre de commande
EP1267240A1 (fr) * 2001-06-13 2002-12-18 Getrag Ford Transmissions GmbH Changement de vitesse pour une boíte de vitesses manuelle d'un véhicule automobile
FR2831633A1 (fr) * 2001-10-25 2003-05-02 Renault Procede et dispositif de commande d'une boite de vitesses robotisee
EP1342940A2 (fr) * 2002-03-06 2003-09-10 INA-Schaeffler KG Dispositif pour produire une force antagoniste pour un arbre de commande

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