WO2010049238A1 - Agencement de levier de vitesse avec un levier de vitesse oscillant et avec un verrouillage de la marche arrière - Google Patents

Agencement de levier de vitesse avec un levier de vitesse oscillant et avec un verrouillage de la marche arrière Download PDF

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Publication number
WO2010049238A1
WO2010049238A1 PCT/EP2009/062935 EP2009062935W WO2010049238A1 WO 2010049238 A1 WO2010049238 A1 WO 2010049238A1 EP 2009062935 W EP2009062935 W EP 2009062935W WO 2010049238 A1 WO2010049238 A1 WO 2010049238A1
Authority
WO
WIPO (PCT)
Prior art keywords
shift lever
locking element
axis
locking
pivoting
Prior art date
Application number
PCT/EP2009/062935
Other languages
German (de)
English (en)
Inventor
Susanne Hauk
Klaus Krämer
Hans-Jürgen Neubauer
Martin Schetter
Original Assignee
Schaeffler Technologies Gmbh & Co. 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 Technologies Gmbh & Co. Kg filed Critical Schaeffler Technologies Gmbh & Co. Kg
Publication of WO2010049238A1 publication Critical patent/WO2010049238A1/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
    • 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
    • F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
    • 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
    • F16H59/042—Ratio selector apparatus comprising a final actuating mechanism
    • 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
    • F16H2059/048—Ratio selector apparatus with means for unlocking select or shift movement to allow access to reverse gear position

Definitions

  • Shift lever assembly with a pivoting shift lever and with a reverse lock
  • the invention relates to a shift lever assembly with a pivotable shift lever and a reverse lock, wherein the pivoting of the shift lever is releasably limited or blocked about an axis in a certain direction by means of reverse lock inserted and the reverse lock to a locking device from at least one pivotable about a fixed pivot axis first Blocking element, comprising at least one force acting on the first locking element return spring and at least one moving by the shift lever second locking element, wherein the second locking element is blocked by means of the first locking element with inserted reverse reverse gear lock.
  • the shift lever can be pivoted about a selector axis to select an alley and to a switch about a switching axis perpendicular to the selector axis.
  • the reverse lock prevents the accidental engagement of the reverse gear from the forward drive out. To be able to shift into reverse, this reverse gear lock must first be released.
  • the reverse lock is usually solved by a deviating from the usual switching of the forward gears and additional action.
  • the deviating from the usual routine when selecting and engaging the forward gears act is to signal to the operator in the vehicle for a first that this is about to reverse gear. On the other hand, this action is to prevent a "tearing" of the shift lever from a forward gear in reverse.
  • Operations deviating from the usual routine include, for example, depressing or raising the shift lever or triggering an operating mechanism connected to the shift lever.
  • the shift lever consists of a shift lever rod and a shift knob.
  • the reverse lock consists of an actuating mechanism with a tension sleeve and a cable, a locking device with a locking lever designed as a first locking element on a bolt, and a return spring which engages the locking lever and also from a trained as an angle lever second locking element.
  • the shift lever is pivotable by means of a ball joint about an axis (selector axis) for selecting lanes and about a further axis (switching axis) for shifting gears.
  • the sheath of the cable is supported in one direction on an abutment of the shift lever and in the other direction on a fixed housing.
  • the soul of the cable is connected at one end to the tension sleeve and fixed at the other end at a distance to the pin axis at a lever end of the locking lever.
  • the locking lever is pivotally mounted about the pin axis on the stationary pin.
  • the tension sleeve is liftable relative to the shift lever rod for lifting and inserting the lock.
  • the shift lever rod is operatively connected to an angle lever, which allows the action mechanisms for selecting and switching.
  • the angle lever is moved by the shift lever.
  • the angle lever is hinged to the housing of the transmission.
  • the first locking element is at locked reverse the angle lever first as a stop in the way to which can be switched out of a neutral position forward gears. Meets the second blocking element on the stop, can not initially the reverse gear are switched.
  • the acted upon by the shift lever angle lever to the stationary supported locking lever so that the shift lever rod can not be moved in this direction. Actuation of the pulling sleeve moves the locking lever against the force of the return spring out of the range of movement of the angle lever.
  • the reverse gear can then be switched by movement of the shift lever in the particular direction, because the angle lever can be freely pivoted by the locking lever.
  • the locking lever is automatically moved by the action of the return spring back into the locked position and the tension sleeve in the starting position back.
  • the object of the invention is to provide a shift lever assembly with a space-saving and easy to manufacture reverse lock.
  • the actuating mechanism for the reverse lock often has a tension sleeve and a transmission element.
  • the tension sleeve is arranged around the protruding into the passenger compartment part of the shift lever rod, below the shift knob and concentric with the shift lever rod.
  • the tension sleeve acts on the transmission element on a locking mechanism.
  • Transmission elements are, for example, hooks, rods and often cables, over which the release movement of the tension sleeve is transmitted to the locking element and at the latest when automatically engaging the reverse lock the tension sleeve move back to the starting position.
  • the locking mechanism is formed by one or more first locking elements and second locking elements, which form an operative connection with each other, at least when the reverse gear is locked.
  • first locking elements and second locking elements which form an operative connection with each other, at least when the reverse gear is locked.
  • the pivoting movement ie the pivot angle of the shift lever about the axis
  • the tilt angle is limited if the accidental insertion or tearing of the shift lever from an engaged forward gear or an alley for forward gears out should be prevented in the immediately adjacent lane of the reverse gear.
  • a swing in the reverse gear is also blocked and free only by releasing the reverse lock, if the operator willingly the reverse gear to be switched.
  • Pull sleeve and first locking element are interconnected by means of the transmission element.
  • the transmission element transmits the release of the lock, the movement of the tension sleeve on the first locking element, whereby the first locking element is disengaged by pressure or train against the resistance of at least one spring element (return spring) in one direction from a locking position.
  • the first blocking element is automatically re-engaged in the blocking position by the energy of the spring element (return spring) in the opposite direction.
  • the transmission element transmits this movement to the tension sleeve and moves it back to its original position to the shift knob.
  • the first blocking element is mounted pivotally in a stationary manner. In the blocking position, the first blocking element usually engages in a form-fitting manner on the second blocking element and blocks it against movements into a specific blocking element. tung. This particular direction is the direction in which the shift lever must be further pivoted to engage the reverse gear.
  • the first blocking element is supported in a stationary manner.
  • the second locking element is actuated by the shift lever and may for example also be provided for the transmission of switching and / or Wählmonyen. Since the second blocking element is operatively connected to the shift lever, the shift lever is blocked against movements in the specific direction when the reverse lock is engaged until the first blocking element releases the second blocking element again.
  • Stationary cover within the meaning of the invention, the housing or the portion of the transmission or the chassis or the vehicle body, to which the shift lever is pivotally movable about the axes or in which the shift lever is pivotally mounted about the axes.
  • Under positive operative connection is to be understood at least the temporary direct contact between the blocking element and the positive-locking element.
  • the positive-locking element on the blocking element or the blocking element on the positive-locking element engage in corresponding recesses or rest against this biased.
  • the blocking element and the positive locking element block each other so that at least temporarily unintentional switching to reverse in one direction is impossible.
  • the shift lever assembly according to the invention has at least one one-piece or multi-part shift lever with a cranked or straight course.
  • the shift lever is pivotable either on a ball joint or on two joints about the two axes. In the latter case, the shift lever is pivotally mounted, for example, about one of the axes in a console.
  • the console is mounted with the shift lever relative to the transmission housing about the other axis pivotally mounted in the transmission housing.
  • the shift lever is otherwise designed arbitrarily and has, for example, a knob.
  • the reverse gear lock actuator of the shift lever assembly according to the invention is arranged to be movable either separately from the shift lever or at the shift lever.
  • the actuating device can be formed, for example, by a pull sleeve or a lever initially described. The tension sleeve is connected for example via a cable or a linkage with the first locking element.
  • the first blocking element is, for example, a locking lever.
  • the locking lever of the reverse gear lock according to the invention is either a one- or multi-part lever with one or at least two lever arms.
  • a lever with a lever arm is hinged at one end or mounted about a pivot axis.
  • the two-armed lever is a locking lever, from the pivot axis of two lever arms go off - and each lever arm in a different direction away from the pivot axis.
  • the pivot axis preferably runs parallel to the axis about which the shift lever is pivoted to engage the reverse gear.
  • the locking lever is preferably a stamped part made of sheet metal and pivotally mounted on a pivot pin, for example on a cover of a switching tower.
  • the shift tower is an element with which at least the shift lever assembly can be preassembled mounted on the transmission or used in this.
  • the return spring for the reverse gear lock of the shift lever assembly is either one or more than a compression or extension springs of any design.
  • the return spring is formed for example as a helical spring. The return spring engages at any distance from the pivot axis on the locking lever and is fixedly suspended or supported at one end.
  • the second blocking element according to the invention is rigidly or movably attached either directly to the shift lever or formed directly on this.
  • the second locking element is rigid or movable on another connected to the shift lever or coupled element fixed or direct trained on this.
  • the second locking element is taken directly or indirectly via coupling with the shift lever, at least whenever it is pivoted to engage the reverse gear about the axis.
  • the second locking element follows the pivoting of the shift lever about this axis on an imaginary pivoting track.
  • the pivot axis of the pivot track is located on the axis about which the shift lever is pivoted.
  • the second locking element is therefore always taken along by the shift lever at least when selecting forward gears and when dialing in the lane of the reverse gear and when switching and removing the reverse gear and is therefore deflected by the same pivot angle about this axis as the shift lever.
  • the second locking element can therefore also be connected to another transmission element indirectly with the shift lever, which is coupled to the shift lever and with this pivotable about the axis.
  • the second locking element is no longer designed as a lever or the like, but is coupled directly or indirectly to the shift lever, the number of parts for the reverse lock is reduced compared to the prior art. The costs for an additional component are eliminated.
  • the reverse lock is easier to mount. The location of the individual elements in the shift lever assembly is accurate. The shift lever assembly or the reverse gear lock is less susceptible to dirt.
  • An embodiment of the invention provides that the first locking element when pivoting the shift lever about the axis of the second locking element is always present when the shift lever is moved to select lanes of the forward gears or for switching the reverse gear.
  • the first locking element is preferably biased by spring force, and here again preferably by the spring force of the return spring, against the second locking element.
  • the first blocking element is held stationary, for example, on the housing of a switching dome.
  • the second blocking element follows the Pivoting movement of the shift lever and is therefore movable relative to the first locking element. Since the first blocking element is constantly prestressed against the second blocking element, the second blocking element runs on the first blocking element on a predetermined pivoting path.
  • the first and second blocking element are accordingly designed to be sliding-compatible with each other at the contact. Alternatively, this contact can also be designed as a rolling contact.
  • the arrangement is kept free of play and executed precisely, so that Hakein the circuit and unwanted noise can be avoided.
  • a further embodiment of the invention provides that the second blocking element has a stop which lies in the predetermined pivoting path, on which the blocking elements run together.
  • the stop protrudes in any direction beyond this track and is thus formed, for example, on a survey or on a rise of the web or on the flank of a depression in the web.
  • the stopper is either formed integrally with the second blocking element or fastened to it, for example, as a pin.
  • the first blocking element has the form of a hook or a pawl or is provided with a corresponding latching depression.
  • the increase of the stop surface of the stopper is at least so steep that the first blocking element is hindered when hitting this stop against the spring force of the return spring so that it is no longer solvable without external influence of this stop.
  • This blockade can be lifted only by raising the locking member or reducing the spring force of the return spring by means of the actuating mechanism.
  • FIG. 2 shows an embodiment of a circuit diagram according to which the
  • Shift lever assembly is operable according to Figure 1,
  • FIG. 3 shows a horizontally rotated view of the switching tower according to FIG. 1,
  • FIG. 4 a shows a view, not to scale enlarged, of the detail Z.
  • FIG. 4 b shows an alternative embodiment of the first blocking element according to FIG. 4 a
  • Figures 6a - 6d sectional views through the switching tower along the line Vl-Vl of Figure 3 from different positions of the first blocking element to the second blocking element.
  • Figure 1 shows a switching tower 1 with a shift lever assembly 2 according to the invention.
  • the shift lever assembly 2 has a shift lever 3, which is shown without a knob and arranged in a housing 4 of the shift tower 1.
  • the shift lever assembly 2 has, in addition to some components not described in detail further on a first locking element 5 and a second locking element 6 of a reverse lock on.
  • the shift lever 3 is at least about in the figures 1 and 2 with the reference numeral 7 marked axis pivotally and with it a locking plate. 8
  • the first locking element 5 is a two-armed lever which is pivotally mounted on a pivot pin 10 with the end of a lever arm 9.
  • the pivot pin 10 is firmly received in the housing 4.
  • the second lever arm 11 starts from a locking pin 12 and is provided at its free end with a hook 13. With the hook 13, a loop 14 of a transmission element 15 is hooked, which protrudes in the form of a pin out of the housing 4.
  • the second blocking element 6 is a sheet metal part, on which a run-off path 16 is formed, which changes its course direction on a ramp 17.
  • the sheet metal part is placed on the locking plate 8 and riveted or welded with this, for example.
  • the runway 16 may be prepared by punching out of the locking plate 8.
  • FIG 2 a possible circuit diagram is shown, with which the shift lever 3 is to be pivoted by pivoting about the axis 18 from the neutral position N in the individual lanes for switching the gears 1 - 2, 3 - 4, 5 - 6 or the reverse gear R.
  • the shift lever 3 is to pivot about the axis 7.
  • the lane 5 - 6 is immediately adjacent to the lane of the reverse gear R.
  • the reverse lock the unintentional switching of the reverse gear R from the gear 6 or from the alley 5-6 out to prevent.
  • FIG. 3 shows the switching tower 1 in a view rotated about a horizontal axis, wherein the detail Z is shown enlarged in FIG. 4 a and depicts the contact of the first blocking element 5 with the second blocking element 6.
  • the locking pin 12 is inserted in the first blocking element 5, which is formed from the lever arms 9 and 11.
  • the locking pin 12 engages the run-off track 16 a second locking element 6 and is applied to this.
  • a bolt 19 is inserted into the first locking element 5.
  • On the bolt 19 sits a rolling bearing 20 or the like. In this case, an inner ring 21 of the rolling bearing 20 is fixed to the Pin 19 pressed and the outer ring 22 rolls on the runway 16 from.
  • FIG. 5 shows a cross section of the switching tower 1 with a view of the actuating mechanism and the transmission mechanism of the reverse lock.
  • the transmission mechanism is formed by the transmission element 15 in the form of a cable 23.
  • the sheath 24 of the cable 23 is supported on a sealed passage 25 to the housing 4 out.
  • the shell 24 is supported for example on the shift lever.
  • the core 26 of the cable 23 ends at the loop 14, which is hooked in this case to a pin 27.
  • the pin 27 is located at the end of the lever arm 11.
  • the other end of the core 26 is preferably connected to a tension sleeve, which is not shown but usually arranged concentrically to the shift lever 3.
  • pivot pin 10 is fixed to the housing 4 and that the pivot axis 28 of the pivot pin 10 is parallel to the axis 7. Both axes 7 and 28 extend in this representation perpendicular to the image in or out of this.
  • the first blocking element 5 is biased by means of a return spring 34 designed as a helical spring via the locking pin 12 on the discharge path 16 on the second blocking element 6 in the pivoting direction marked by the directional arrow 35.
  • Figure 5 shows the shift lever assembly 2, in which the shift lever 3 is in the neutral position.
  • Figure 6a shows the shift lever 3 in the same position, but in this case in a section along the line Vl-Vl of Figure 3.
  • the first blocking element 5 is no longer completely visible. It is only the locking pin 12 in contact with the runway 16 on the second locking element 6 can be seen.
  • the shift lever can first by pivoting about the axis 7 and 8 (see Figure 2) in any lanes the lanes or gears to be assigned positions 29 (according to Figure 6b) or 30 (according to Figure 6c) are pivoted. In this case, the travel path 16 of the second blocking element 6 moves along the blocking pin 12 of the first blocking element 5 in a sliding manner.
  • the ramp 17 designed as a stop 32 can move on the locking pin 12 until it abuts against the abutment surface of the stop 32. Movements of the shift lever 3 in this direction with the directional arrow 31 certain direction are prevented by the impact of the stopper 32 on the locking pin 12, since the locking pin 12 is supported via the lever arm 9 on the pivot pin 10 and thus on the housing 4.
  • the ramp 17 is so steep that the movement of the shift lever 3 is blocked even with greater pressure on the shift knob.
  • the reverse lock can be solved only by pressing the cable 23 in the marked in Figure 5 with the direction arrow 33 direction.
  • either the force applied by the return spring 34 on the first locking element 5 spring force is reduced so far that the shift lever 3 can be moved in the direction determined by the directional arrow 31 or the first locking element 5 is against the resistance of the spring force of the return spring 34 briefly from lifted off the second locking element 6, so that the shift lever 3 can also be further moved in the direction indicated by the directional arrow 31 direction.
  • the locking pin 12 rises on the ramp 17 until the ramp 17 is overcome and the reverse gear is engaged. This position is shown in Figure 6 d.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)

Abstract

L'invention concerne un agencement de levier de vitesse avec au moins un levier de vitesse (3) basculant et avec un verrouillage de la marche arrière. Le basculement du levier de vitesse (3) autour d'un axe (7) dans une direction déterminée (31) peut être limité ou bloqué de façon libérable lorsque le verrouillage de la marche arrière est enclenché et le verrouillage de la marche arrière possède à cette fin un dispositif de verrouillage composé d'au moins un premier élément de verrouillage (5), pouvant basculer autour d'un axe de basculement fixe (10), d'au moins un ressort de rappel (34) agissant sur le premier élément de verrouillage (5) et d'au moins un deuxième élément de verrouillage (6) déplacé par le levier de vitesse (3). Le deuxième élément de verrouillage (6) est bloqué à l'aide du premier élément de verrouillage (5) lorsque le verrouillage de la marche arrière est enclenché. Le deuxième élément de verrouillage (6) peut basculer directement avec le levier de vitesse (3) au moins autour de l'axe (7).
PCT/EP2009/062935 2008-10-28 2009-10-06 Agencement de levier de vitesse avec un levier de vitesse oscillant et avec un verrouillage de la marche arrière WO2010049238A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810053553 DE102008053553A1 (de) 2008-10-28 2008-10-28 Schalthebelanordnung mit einem schwenkbaren Schalthebel und mit einer Rückwärtsgangsperre
DE102008053553.2 2008-10-28

Publications (1)

Publication Number Publication Date
WO2010049238A1 true WO2010049238A1 (fr) 2010-05-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/062935 WO2010049238A1 (fr) 2008-10-28 2009-10-06 Agencement de levier de vitesse avec un levier de vitesse oscillant et avec un verrouillage de la marche arrière

Country Status (2)

Country Link
DE (1) DE102008053553A1 (fr)
WO (1) WO2010049238A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1655675A1 (de) * 1967-03-30 1971-12-23 Vauxhall Motors Ltd Gangschalteinrichtung fuer Kraftfahrzeuge
US5289734A (en) * 1992-09-30 1994-03-01 New Venture Gear, Inc. Manual transmission shifter assembly with reverse inhibitor
DE10005328A1 (de) * 2000-02-08 2001-08-09 Zf Lemfoerder Metallwaren Ag Schaltvorrichtung für ein Automatikgetriebe
DE102005062167B3 (de) * 2005-12-23 2007-05-24 Teleflex Automotive Germany Gmbh Schalthebel mit Betätigungseinrichtung für eine Rückwärtsgangsperre

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1655675A1 (de) * 1967-03-30 1971-12-23 Vauxhall Motors Ltd Gangschalteinrichtung fuer Kraftfahrzeuge
US5289734A (en) * 1992-09-30 1994-03-01 New Venture Gear, Inc. Manual transmission shifter assembly with reverse inhibitor
DE10005328A1 (de) * 2000-02-08 2001-08-09 Zf Lemfoerder Metallwaren Ag Schaltvorrichtung für ein Automatikgetriebe
DE102005062167B3 (de) * 2005-12-23 2007-05-24 Teleflex Automotive Germany Gmbh Schalthebel mit Betätigungseinrichtung für eine Rückwärtsgangsperre

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DE102008053553A1 (de) 2010-04-29

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