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WO2010057756A1 - Dispositif pour détecter au moins une position neutre et la marche arrière dans des boîtes de vitesses - Google Patents

Dispositif pour détecter au moins une position neutre et la marche arrière dans des boîtes de vitesses Download PDF

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Publication number
WO2010057756A1
WO2010057756A1 PCT/EP2009/064341 EP2009064341W WO2010057756A1 WO 2010057756 A1 WO2010057756 A1 WO 2010057756A1 EP 2009064341 W EP2009064341 W EP 2009064341W WO 2010057756 A1 WO2010057756 A1 WO 2010057756A1
Authority
WO
WIPO (PCT)
Prior art keywords
button
actuating element
leg
actuated
neutral position
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.)
Ceased
Application number
PCT/EP2009/064341
Other languages
German (de)
English (en)
Inventor
Thomas Kleiber
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and 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 AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of WO2010057756A1 publication Critical patent/WO2010057756A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • F16H59/68—Inputs being a function of gearing status
    • F16H59/70—Inputs being a function of gearing status dependent on the ratio established
    • 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
    • F16H59/68—Inputs being a function of gearing status
    • F16H2059/6823—Sensing neutral state of the transmission

Definitions

  • the invention relates to a device for detecting at least one neutral position and the reverse gear in manual transmissions.
  • a movable actuating element is connected to a switching dome, which generates a relative movement between a button and at least one actuating element for the button.
  • German patent application DE 10 2006 036 696 A1 discloses a sensor arrangement.
  • the sensor arrangement is used to determine positions of at least one transmission component.
  • the sensor arrangement relates to at least one sensor and a sensing pin, which is mounted in a housing so as to be movable in a stroke.
  • the bearing on the housing end of the Abtastbolzens against at least one associated with the transmission component runway or ramp is elastically biased.
  • the sensor carries at least one pulse, which determines the contact position of the scanning pin and thus contactless the switching position.
  • the German patent DE 195 81 769 C1 discloses a ramp contour for a locking device.
  • the locking device serves to fix the position of a movable circuit or actuating element. In particular, find these locking devices for a circuit of a transmission application.
  • In the gearbox Housing is a locking pin slidably guided, which has a locking ball on one end face.
  • the locking pin is biased by a compression spring. Through this done with the compression spring bias of the locking bolt thus follows the detent ball provided on the circuit or actuator curve.
  • the detent ball bears against two contact points on the curved ramp contour.
  • the ramp contour is designed such that the contact point coincides with a turning point of the symmetrically shaped ramp contour.
  • the invention has for its object to provide a device with which the neutral position or the reverse gear can be reliably detected. It should be dispensed with an increase in the number of parts of the components.
  • a first button and a second button is provided, which are both coupled via a circuit.
  • first and second buttons can interact with the actuator.
  • a first possibility is that the first and the second button cooperate in a mechanical manner with the actuating element.
  • Another possibility is that the first and second buttons detect the actuator piezoelectric or capacitive.
  • the design of the device may be characterized in that the actuating element is mounted on the movable actuator and cooperates with the stationary buttons. Likewise it is possible that the buttons are mounted on the movable actuator and cooperate with the stationary actuator.
  • the actuating element has a contour over which the buttons can be actuated.
  • the actuating element has a U-shaped end region.
  • the U-shaped end portion has a first leg and a second leg, wherein the first leg of the first button and the second leg actuates the second button and thus detects the neutral position.
  • the first leg and the second leg do not interact with the first button or the second button. This makes it possible for the reverse gear to be detected.
  • the actuating element of the actuating element actuates the first button but not the second button. By this position of the actuating element, it is possible to display the odd gears.
  • the actuating element of the actuating element does not actuate the first button but the second button. By this position of the actuating element, it is possible to display the even gears of the transmission.
  • the actuating element of the actuating element has formed on one side of the end region an L-shaped element.
  • a leg of the L-shaped element is parallel to the actuating element.
  • the actuator actuates the first button and the leg of the L-shaped element actuates the second button.
  • the actuating element of the actuating element is displaced such that the first button and the second button are not actuated.
  • the actuating element of the actuating element actuates the first button but not the second button.
  • another position of the actuating element of the actuating element not the first button but the second button is pressed. In this position, it is thus possible to display the even gears of the transmission.
  • the switch which is associated with the actuating element, is designed such that it is at least partially surrounded by a housing.
  • the housing encloses the first button, the second button and the one actuator.
  • Figure 1 shows a perspective view of a device for detecting at least one neutral position and the reverse gear in manual transmissions.
  • Figure 2 shows the interconnection of the first button and the second button via a circuit, so that four different switching positions different positions of a transmission are assignable.
  • Figure 3 shows the operation of a single button with an actuating element, as has long been known from the prior art.
  • FIG. 4 shows the actuation of the two buttons with an actuating element.
  • FIG. 5 shows the switching hysteresis which occurs in manual transmissions.
  • FIGS. 6a to 6e show different positions of the actuating element and the associated actuation or non-actuation of the two buttons and the assignment of switching positions effected therewith.
  • Figures 7a to 7e show another embodiment of an actuating element and the associated actuation or non-actuation of the individual buttons and the consequent display of the switching positions.
  • Figure 1 shows a perspective view of the device 1 for detecting at least one neutral position N and the reverse gear R in manual transmissions.
  • the device is provided with a switching dome 3, which has a movable actuating element 2. With the movable adjusting element, it is thus possible to generate a relative movement between the at least one push-button and the at least one actuating element 20 for the push-button.
  • a first button 11 and a second button 12 is provided according to the invention.
  • the first button 11 and the second button 12 are installed in a housing 4 which receive the actuator 2 or the first button 11 and the second button 12.
  • FIG. 2 shows a schematic circuit of the first button 11 and the second button 12.
  • the first button 11 and the second button 12 are coupled to one another via a circuit 15. By this coupling of the first button 11 and the second button 12 via the circuit 15 to achieve a primary coding of four positions of the button. These four different positions of the buttons 11 and 12 can thus be assigned to different positions or switching positions within a transmission.
  • FIG. 3 schematically shows an embodiment of the state of the art with which a single push-button 10 is actuated via an actuating element 20.
  • the button 10 is not closed by the actuator 20. After the actuator or the button has moved and slide along the contour of the actuator 20, it is gradually closed. The switch remains closed for a longer time, resulting from the relative movement between the button 10 and the actuator. During this time it is not possible to give a precise statement about the actual position (neutral position or reverse gear) within a gearbox. Only after the corresponding relative movement between the actuator 20 and button is completed opens the button 10 again and thus can be a position exactly defined.
  • Figure 4 shows schematically the operation of the first button 11 and the second button 12 by the actuator 20, as embodied according to the present invention.
  • the actuating element 20 has a contour 22 along which the first pushbutton 11 and the second pushbutton 12 slide along accordingly and thus are actuated.
  • the first switch 11 is touched by an edge of the contour 22 of the actuating element.
  • the relative movement between the actuating element 20 and the first pushbutton or second pushbutton 12 has progressed so far that the flank of the contour 22 of the actuating element already touches the second pushbutton 12.
  • only the first button 11 is closed.
  • FIG. 5 shows a representation of the actuation hysteresis during the actuation of the actuating element 2 for engaging the different gears of a transmission.
  • the different ways to actuate the actuating element 2 are plotted on the abscissa 100.
  • the forces required for adjusting the various paths of the actuating element 2 are applied.
  • FIG. 6a shows that the first switch 11 and the second switch 12 are actuated by the actuating element 2.
  • the actuating element 2 has an actuating element 20 which has formed on a U-shaped end region 2e.
  • the U-shaped end portion 2e has a first leg 31 and a second leg 32.
  • the first button 11 and the second button 12 are not actuated by the first leg 31 and the second leg 32.
  • FIG. 6b to 6e show the switching position respectively indicated for the device 1 with a broken circle 35.
  • the reverse gear R is displayed by the non-actuation of the first button 11 and the second button 12.
  • a table 55 is shown below each arrangement of actuating element 20 and the two buttons 11 and 12, a table 55 is shown, by means of which the individual positions can be read.
  • each set switching position is surrounded by a solid circle 37.
  • the table 55 has a plurality of fields 57, in which the gray-shaded fields represent the non-actuation by the first button 11 and the second button 12.
  • FIG. 6b shows the situation that the first button is actuated by the first leg 31 and the second button 12 by the second leg 32 of the U-shaped end section 2E of the actuating element 20.
  • FIG. 6 c shows the situation that the actuating element 20 has been displaced in the direction of the axis A.
  • the first button 11 is actuated by the actuating element.
  • the second button 12 is not actuated by the actuating element 20.
  • FIG. 6d shows the situation that the first push-button 11 and the second push-button 12 are actuated by the actuating element 20.
  • This neutral position N is likewise identified in FIG. 6d by the solid circle 37.
  • the actuator 20 is also displaced in the axial direction.
  • the first button 11 is not actuated by the actuating element 20.
  • the second button 12 is actuated by the actuating element 20.
  • Figures 7a to 7e show a further embodiment of the actuating element 20 and the associated detectable switching positions of the transmission. Again, the fields 57, which are highlighted in gray, the Table 55 that none of the two buttons 11 and 12 is pressed.
  • the end portion has 2e of the operating member 20 at a side 2- I an L-shaped element 40, which has formed a leg 41 which is parallel to the actuator element 2 or to Actuator 20 is.
  • the first pushbutton 11 is actuated by the actuating element 20.
  • the second button 12 is actuated by the leg 41 of the L-shaped element 40.
  • FIG. 7b shows the situation that the first button 11 and the second button 12 are not actuated by the actuating element 20 or by the L-shaped element 40. This position makes it possible to display the neutral position N.
  • FIG. 7c shows the situation that a relative movement of the first button 11 or second button 12 or of the actuating element 20 has been carried out in the axial direction. By this movement now the first button 11 is actuated. The second button 12 is not actuated. This makes it possible to display the individual shift gates for the odd gears of the transmission.
  • FIG. 7d shows the situation that neither the first button 11 nor the second button 12 are actuated by the actuating element 20.

Landscapes

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

Abstract

L'invention concerne un dispositif (1) pour détecter au moins une position neutre (N) et la marche arrière (R) dans des boîtes de vitesses. Ce dispositif comprend un dôme de changement de vitesses (3) comportant un organe d'ajustement mobile (2) qui génère un mouvement relatif entre un bouton-poussoir (10) et au moins un élément d'actionnement (20) pour le bouton-poussoir (10). Un premier bouton-poussoir (11) et un deuxième bouton-poussoir (12) sont prévus et sont respectivement accouplés par l'intermédiaire d'un circuit (15).
PCT/EP2009/064341 2008-11-20 2009-10-30 Dispositif pour détecter au moins une position neutre et la marche arrière dans des boîtes de vitesses Ceased WO2010057756A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810058165 DE102008058165A1 (de) 2008-11-20 2008-11-20 Vorrichtung zur Erfassung mindestens einer Neutralposition und des Rückwärtsgangs bei Schaltgetrieben
DE102008058165.8 2008-11-20

Publications (1)

Publication Number Publication Date
WO2010057756A1 true WO2010057756A1 (fr) 2010-05-27

Family

ID=41401756

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/064341 Ceased WO2010057756A1 (fr) 2008-11-20 2009-10-30 Dispositif pour détecter au moins une position neutre et la marche arrière dans des boîtes de vitesses

Country Status (2)

Country Link
DE (1) DE102008058165A1 (fr)
WO (1) WO2010057756A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010062136B4 (de) * 2010-11-29 2017-02-16 Jopp Holding GmbH Schaltwellenmodul einer inneren Gangschaltung mit Schaltstellungserkennung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311341A (en) * 1996-03-22 1997-09-24 Valeo Gearshift position indicator
DE19581769C1 (de) 1994-11-26 2001-10-04 Schaeffler Waelzlager Ohg Rampenkontur für eine Arretiereinrichtung
DE102006036696A1 (de) 2006-08-05 2008-02-07 Schaeffler Kg Sensoranordnung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19581769C1 (de) 1994-11-26 2001-10-04 Schaeffler Waelzlager Ohg Rampenkontur für eine Arretiereinrichtung
GB2311341A (en) * 1996-03-22 1997-09-24 Valeo Gearshift position indicator
DE102006036696A1 (de) 2006-08-05 2008-02-07 Schaeffler Kg Sensoranordnung

Also Published As

Publication number Publication date
DE102008058165A1 (de) 2010-05-27

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