WO2014015871A1 - Dôme de changement de vitesse destiné à la boîte de vitesses d'un véhicule automobile - Google Patents

Dôme de changement de vitesse destiné à la boîte de vitesses d'un véhicule automobile Download PDF

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Publication number
WO2014015871A1
WO2014015871A1 PCT/DE2013/200077 DE2013200077W WO2014015871A1 WO 2014015871 A1 WO2014015871 A1 WO 2014015871A1 DE 2013200077 W DE2013200077 W DE 2013200077W WO 2014015871 A1 WO2014015871 A1 WO 2014015871A1
Authority
WO
WIPO (PCT)
Prior art keywords
lever
housing
biasing means
dome
switching dome
Prior art date
Application number
PCT/DE2013/200077
Other languages
German (de)
English (en)
Inventor
Matthias Feuerbach
Original Assignee
Schaeffler Technologies AG & 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 & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to CN201380037413.0A priority Critical patent/CN104603505B/zh
Priority to EP13758726.7A priority patent/EP2877759A1/fr
Publication of WO2014015871A1 publication Critical patent/WO2014015871A1/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
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/34—Generation or transmission of movements for final actuating mechanisms comprising two mechanisms, one for the preselection movement, and one for the shifting movement
    • 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
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/08—Multiple final output mechanisms being moved by a single common final actuating mechanism
    • F16H63/20—Multiple final output mechanisms being moved by a single common final actuating mechanism with preselection and subsequent movement of each final output mechanism by movement of the final actuating mechanism in two different ways, e.g. guided by a shift gate
    • 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
    • F16H2061/246—Additional mass or weight on shift linkage for improving feel
    • 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
    • F16H2063/005—Preassembled gear shift units for mounting on gear case
    • 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
    • F16H59/0208—Selector apparatus with means for suppression of vibrations or reduction of noise

Definitions

  • the invention relates to a shift dome for a manual transmission of a motor vehicle, comprising a lever for rotating or shifting a shift rod, and a housing which can be placed on the shift gear, in which the lever is rotatably mounted about a rotation axis.
  • a shift dome of the type mentioned is usually mounted on the gearbox of a motor vehicle and transmits the switching movements of a manual shift lever on the shift shafts of the gearbox.
  • the shift dome comprises a housing in which a shift lever and a selector lever are rotatably mounted as levers.
  • the shift lever and the selector lever are guided out of the housing to the outside and connected in the installed state via corresponding coupling means with the manual shift lever of the motor vehicle.
  • a selector shaft is moved by means of the selector lever and the corresponding selector shaft is thereby selected. By turning the lever, the corresponding gear is switched.
  • vibrations generated during operation are transmitted via the selector lever and the coupling means to the manual shift lever.
  • unwanted vibrations can occur during operation on a selector cable as a coupling means, which make themselves felt as a so-called cable rattling.
  • the transmission of vibrations during operation is undesirable because disturbing, and In addition, this leads to increased wear for the components involved.
  • a generic shift dome is apparent from DE 10 2009 057 294 A1.
  • the vibrations that result from the shift mass are reduced by a rubber cylinder that decouples the shift mass from the boom.
  • Other vibrations resulting from the transmission or synchronization will still be transmitted to the levers.
  • the invention is therefore based on the object to improve a switching dome of the type mentioned in that the operation of the transmission of vibrations from the transmission is avoided as possible.
  • a shift dome for the gearbox of a motor vehicle which encloses a gearbox housing in which a lever is rotatably mounted about an axis of rotation, that a compression spring as biasing means for biasing the lever against the housing is provided.
  • the invention is based on the consideration, see in the transmission between the transmission and the manual shift lever vibration damping to make such that the transmission of vibrations from the transmission is out as possible prevented.
  • the invention provides in a surprisingly simple and cost-effective manner to bias the lever in the switching dome against the housing.
  • the transmitted to the Wählhe- in the operation of the gearbox vibrations are already damped in the shift dome, so that the selector lever subsequent coupling means nur only with reduced or no vibrations are applied.
  • the vibrations of the lever as such are damped.
  • the resulting change in the vibration behavior of the lever also leads to a reduction in the transmitted vibrations.
  • only the selector lever is biased against the housing, since this is easier to excite due to the only temporary coupling with the switching shaft during the switching process.
  • the bias of the lever against the housing can be effected by different biasing means.
  • the lever is supported on the housing of the switching dome springy.
  • the biasing means also causes the lever to abut on the housing.
  • the lever is pressed or pulled in this embodiment by the biasing means against the housing.
  • a vibration node is imposed on the lever, whereby the transmission of vibrations from the vehicle transmission is further reduced.
  • the lever is biased by the biasing means parallel to the axis of rotation against the housing. As a result, an adjusting force required for the rotation of the lever acts perpendicular to the biasing force, so that the latter remains independent of an adjustment of the lever.
  • the sliding bearing comprises a pin rotatably mounted in a socket of the housing, wherein the bolt is expediently biased by the biasing means axially against the sleeve. In other words, is caused by the biasing means that the bolt is biased against the sleeve or pressed by the biasing means against the socket.
  • the lever comprises a lever arm connected to the bolt, wherein the lever arm rests on the bolt acting on the bolt biasing means of the socket.
  • the lever is supported on the housing, that the lever arm fixedly connected to the pin rests axially against the sleeve of the sliding bearing.
  • the biasing means acting on the lever in turn is supported on the housing of the switching dome. In this way, a force acting against the lever force can be applied, which leads to an abutment of the lever on the side facing away from the biasing means of the housing. The lever is thereby sprung to the housing in particular by the intermediate position of the biasing means.
  • the biasing means is supported on a housing cover. This allows easy assembly of the biasing means.
  • the biasing means is used with the housing open in a relaxed state. By placing the housing cover, the biasing means is biased for example by compression, so that the corresponding force on the lever results.
  • the compression spring is mounted in a blind hole of the bolt, which is rotatably mounted in a socket of the housing for the formation of said slide bearing.
  • the housing of the switching dome can be made in particular of aluminum.
  • the housing cover is made for example of a plastic.
  • the compression spring can be made of a suitable spring steel.
  • the lever, in particular the selector lever is formed in two parts with an outer and inner lever.
  • the outer lever is rotatable outside the housing and connected to the inner lever.
  • the connection can be realized via a common axis. In this case, it is sufficient to spring the inner lever and to bias it against the shift dome housing or the sealing separate housing cover connected to the shift dome housing.
  • a erfindungsgeämßer switching dome not only reduces the cable rattling that is transmitted due to the vibrations of the lever in the connected via ball heads cable, but also the Kuppspiel the lever axis in the plain bearing bush can be reduced.
  • 1 is a perspective view of an open switching dome with a view of the lever
  • Fig. 2 in a plan view of the switching dome according to FIG. 1 from the
  • a switching dome 1 is shown in a perspective view, comprising a housing 3 with a foot 4. About the foot 4 of the shift dome 1 can be mounted on a manual transmission of a motor vehicle.
  • a selector lever 6 is rotatably mounted about an axis of rotation 7 in the housing 3.
  • a shift lever 9 is provided. Both the selector lever 6 and the shift lever 9 comprise at their free ends in each case a ball pin 10 or 12 for the mechanical connection to coupling means, which in turn are connected to a manual shift lever of the motor vehicle.
  • the selector lever 6 comprises a first lever arm 14 and a second lever arm 16 angled approximately at right angles thereto. Both lever arms 14, 16 are rigidly connected to one another via a bolt 17 which is not visible in FIG. By the bolt 17, the axis of rotation 7 of the selector lever 6 is fixed.
  • a prestressing means 24 acting in the axial direction is mounted on the bolt 17.
  • This biasing means 24 is formed as a mechanical compression spring 25.
  • the opening 27 of the switching dome 1 is closed with a housing cover, on which the compression spring 25 is supported.
  • the switching dome 1 is shown in accordance with FIG. 1 from the perspective of the gearbox. One looks from below on the foot 4 of the housing 3. The housing 3 is cut through at the level of the bolt 17. From Fig. 2, in turn, the first lever arm 14 and the second lever arm 16 of the selector lever 6 can be seen. It is now in particular the bolt 17 visible, via which the two lever arms 14, 16 are firmly connected. The opening 27 of the housing 3 is closed by a housing cover 29. It can be seen how the compression spring 25 in turn is supported on the housing cover 29 and acts on the bolt 17 in the axial direction.
  • the bearing of the bolt 17 is formed as a radial sliding bearing 30.
  • the bolt 17 is guided radially in a bush 32 of the housing 3.
  • a seal 31 is provided for sealing between pin 17 and sleeve 32.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • General Details Of Gearings (AREA)
  • Control Of Transmission Device (AREA)

Abstract

L'invention concerne un dôme de changement de vitesse (1) destiné à la boîte de vitesses d'un véhicule automobile. Le dôme de changement de vitesse (1) comprend un carter (3) pouvant être installé sur la boîte de vitesses et dans lequel est monté un levier de sélection (6) pouvant tourner autour d'un axe de rotation (7). Pour éviter la transmission des vibrations, un moyen de précontrainte (24) exerce sur le levier de sélection (6) une précontrainte contre le carter (3).
PCT/DE2013/200077 2012-07-26 2013-07-25 Dôme de changement de vitesse destiné à la boîte de vitesses d'un véhicule automobile WO2014015871A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201380037413.0A CN104603505B (zh) 2012-07-26 2013-07-25 用于机动车的变速器的变速排挡罩
EP13758726.7A EP2877759A1 (fr) 2012-07-26 2013-07-25 Dôme de changement de vitesse destiné à la boîte de vitesses d'un véhicule automobile

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012213177.9 2012-07-26
DE102012213177.9A DE102012213177B4 (de) 2012-07-26 2012-07-26 Schaltdom für ein Schaltgetriebe eines Kraftfahrzeugs

Publications (1)

Publication Number Publication Date
WO2014015871A1 true WO2014015871A1 (fr) 2014-01-30

Family

ID=49117608

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2013/200077 WO2014015871A1 (fr) 2012-07-26 2013-07-25 Dôme de changement de vitesse destiné à la boîte de vitesses d'un véhicule automobile

Country Status (4)

Country Link
EP (1) EP2877759A1 (fr)
CN (1) CN104603505B (fr)
DE (1) DE102012213177B4 (fr)
WO (1) WO2014015871A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014218470B4 (de) * 2014-09-15 2019-12-19 Schaeffler Technologies AG & Co. KG Schaltvorrichtung für ein Getriebe
KR102544633B1 (ko) * 2018-05-25 2023-06-16 아사히 유키자이 가부시키가이샤 전동 액추에이터

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3866488A (en) * 1972-01-24 1975-02-18 Toyota Motor Co Ltd Manually operated shift assembly with restraining action for shifting to reverse
US3939724A (en) * 1973-11-19 1976-02-24 Toyota Jidosha Kogyo Kabushiki Kaisha Automotive vehicle shift control mechanism for manual transmissions
US4660433A (en) * 1982-09-30 1987-04-28 Aisin Seiki Kabushiki Kaisha Mechanism for preventing erroneous reverse gear shifting in gear transmissions
DE102009057294A1 (de) 2009-12-07 2011-06-30 Schaeffler Technologies GmbH & Co. KG, 91074 Hebeleinrichtung zur Schwingungsdämpfung einer Schaltwelle sowie Schaltdom mit der Hebeleinrichtung

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
DE2852874A1 (de) 1978-12-07 1980-06-19 Daimler Benz Ag Einrichtung zum indizieren der schaltgassen eines schaltgetriebes mit mindestens vier schaltgassen
DE19809424B4 (de) 1998-03-05 2008-10-02 Volkswagen Ag Arretiervorrichtung für ein Getriebe
DE19924791C1 (de) 1999-05-29 2001-02-08 Deere & Co Schaltvorrichtung für Kraftfahrzeuggetriebe
KR100387468B1 (ko) * 2000-07-13 2003-06-18 기아자동차주식회사 수동변속기용 변속조작기구
DE10111911A1 (de) * 2001-03-13 2002-09-19 Ina Schaeffler Kg Betätigungseinheit für ein Schaltgetriebe
DE102005053128A1 (de) 2005-11-08 2007-05-10 Schaeffler Kg Spanneinrichtung für ein Zugmittel
EP2112408B1 (fr) 2008-04-23 2011-12-21 Fico Triad S.A. Ensemble de levier de vitesses de type "shift-by-wire"
DE102008029266A1 (de) 2008-06-19 2009-12-24 Schaeffler Kg Schaltdomgehäuse sowie Schaltdom mit dem Schaltdomgehäuse
DE102009000858A1 (de) * 2009-02-13 2010-08-19 Zf Friedrichshafen Ag Einrichtung zum Erzeugen einer Schaltkraft oder Wählkraft in einem Handschaltgetriebe
DE102010009396A1 (de) 2010-02-26 2011-09-01 Schaeffler Technologies Gmbh & Co. Kg Getriebegehäuseentlüftung
DE102010019009A1 (de) 2010-05-03 2011-11-03 Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) Gangwechselvorrichtung eines Getriebes und Verfahren zum Ausgleich von Fertigungstoleranzen mittels der Gangwechselvorrichtung
DE102010016907B4 (de) 2010-05-11 2013-01-31 Koki Technik Transmission Systems Gmbh Vorrichtung zur Übertragung einer Schaltbewegung sowie Verfahren zur Verbindung eines Schalthebels mit einer Schaltwelle
DE102010055406A1 (de) 2010-12-21 2012-06-21 Schaeffler Technologies Gmbh & Co. Kg Schalteinheit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3866488A (en) * 1972-01-24 1975-02-18 Toyota Motor Co Ltd Manually operated shift assembly with restraining action for shifting to reverse
US3939724A (en) * 1973-11-19 1976-02-24 Toyota Jidosha Kogyo Kabushiki Kaisha Automotive vehicle shift control mechanism for manual transmissions
US4660433A (en) * 1982-09-30 1987-04-28 Aisin Seiki Kabushiki Kaisha Mechanism for preventing erroneous reverse gear shifting in gear transmissions
DE102009057294A1 (de) 2009-12-07 2011-06-30 Schaeffler Technologies GmbH & Co. KG, 91074 Hebeleinrichtung zur Schwingungsdämpfung einer Schaltwelle sowie Schaltdom mit der Hebeleinrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2877759A1 *

Also Published As

Publication number Publication date
CN104603505A (zh) 2015-05-06
DE102012213177B4 (de) 2019-12-19
EP2877759A1 (fr) 2015-06-03
DE102012213177A1 (de) 2014-01-30
CN104603505B (zh) 2016-09-21

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