WO2019080968A1 - Dispositif de commande et procédé de montage d'un dispositif de commande - Google Patents

Dispositif de commande et procédé de montage d'un dispositif de commande

Info

Publication number
WO2019080968A1
WO2019080968A1 PCT/DE2018/100870 DE2018100870W WO2019080968A1 WO 2019080968 A1 WO2019080968 A1 WO 2019080968A1 DE 2018100870 W DE2018100870 W DE 2018100870W WO 2019080968 A1 WO2019080968 A1 WO 2019080968A1
Authority
WO
WIPO (PCT)
Prior art keywords
shift
locking means
finger
switching device
state
Prior art date
Application number
PCT/DE2018/100870
Other languages
German (de)
English (en)
Inventor
Uwe Schwarz
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 BR112020004534-9A priority Critical patent/BR112020004534A2/pt
Publication of WO2019080968A1 publication Critical patent/WO2019080968A1/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
    • 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
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/34—Locking or disabling mechanisms
    • F16H63/3408—Locking or disabling mechanisms the locking mechanism being moved by the 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
    • 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
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/34—Locking or disabling mechanisms
    • F16H63/36—Interlocking devices
    • 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
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H63/38—Detents
    • 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
    • F16H57/00—General details of gearing
    • F16H2057/0056—Mounting parts arranged in special position or by special sequence, e.g. for keeping particular parts in his position during assembly

Definitions

  • the invention relates to a switching device of a motor vehicle gear change transmission with a switching shaft which is rotatable for shifting gears and axially displaceable for selecting shift gates, with a shift finger which is rotatably connected to the shift shaft, with a shift lock, when engaged Gang a selecting other shift gates prevented, and with a locking means by means of which in a first state of the shift finger and the shift lock in an assembly shift position are locked to each other.
  • the invention further relates to a method for mounting a switching device. For mounting gear components of a gearbox, z.
  • it is customary to first set up a shift dome on a transmission housing and then to push the transmission housing via a gear set.
  • DE 10 2017 127 358 A1 discloses a lock for reducing the holding force in a parking brake.
  • a transmission of such a locking concept on a mounting of a switching device of a motor vehicle gear change transmission would have a significant influence on the switching force profile perceived by the driver and is therefore unsuitable.
  • DE 44 41 138 A1 shows a fixing pin which allows the pre-positioning of a switching shaft as an adjusting pin.
  • the fixing requires on the one hand a hole in the gear housing, which is expensive to produce and requires a seal.
  • the invention is therefore an object of the invention to provide a fixation of the position of a shift finger with respect to a shift lock, which is active only during assembly and which makes it possible to push a already attached to the transmission housing shift dome on a gearset of the transmission. Furthermore, the invention has for its object to provide an assembly method for such a switching device.
  • the object is achieved by a switching device with the features of claim 1 and by a method having the features of claim 8.
  • the locking element which fixes an intended shift finger with respect to a shift fork lock during assembly of a gearbox remains in switching movements of the assembled gearbox in a locked position and is therefore no longer moved.
  • the locking element In a first state, in which it fixes the relative position of the switch finger and the shift lock to each other, the locking element is only temporary. After assembly, it is brought into a second state, which allows a not more influenced by the locking element movement of the shift finger relative to the shift lock.
  • switching movements can be carried out entirely without actuation of the locking element, whereby a good shift feeling is mediated.
  • the arrangement of the locking arrangement close to the switch fingers favors the tolerances to be maintained.
  • the locking means is fastened by means of a holder on the switching shaft, which preferably also serves at the same time the attachment of the shift finger on the shift shaft.
  • the locking means in a recess of the holder, e.g. a blind hole arranged and radially positionable with respect to the axis of rotation of the switching shaft.
  • the locking means is a cost-producible plate spring, which has a 180 ° bend to form a locking head and at least one outwardly facing cams.
  • the cam is in a "locking position" with a first latching groove arranged in the bore of the shift finger holder
  • two latching grooves arranged one behind the other are provided along the bore, into which the cam of the locking element can resiliently engage
  • the cam is arranged on a leg of the sheet metal spring.
  • the sheet metal spring is deformed during the first switching so that it no longer participates in subsequent switching operations.
  • Fig. 1 is a shift shaft with shift fork lock and shift finger holder in plan view.
  • Fig. 3 the pivoted shift finger holder with the displaced in a locking position locking means.
  • Fig. 4 the locking means in its displacement from a locking position to the locking position.
  • FIG. 5 in the neutral position of the shift shaft pivoted shift finger holder.
  • a switching device 15 of a motor vehicle gear change transmission according to Figure 1, a switching shaft 1 with a rotation axis 1 a, which is arranged axially displaceable and pivotable for selecting gear ratios by means of a switching dome.
  • a shift finger 2 With the switching shaft 1, a shift finger 2 is firmly connected by means of a holder 3 and thus together with the shift shaft 1 movable.
  • a shift lock 4 is arranged on the shift shaft 1, wherein the shift shaft 1 with the shift finger relative to the shift lock 4 is movable.
  • the holder 3 according to FIG. 2 with respect to the axis of rotation 1 a of the switching shaft 1, a radially arranged bore 6 in the form of a blind hole, in which a locking element 7 is slidably disposed.
  • the locking element 7 is formed as a sheet metal spring with a 180 ° bend and has two parallel spring legs 5, 10 and provided in the region of the 180 ° - bending Arretierstoffkopf 12.
  • the spring legs 5, 10 have at least one, preferably according to FIG. 2, two oppositely disposed, outwardly facing spring projections 8 in the form of lugs or cams.
  • the cams 8 engage during assembly resiliently in a first of two locking grooves 9, 1 1 of the bore 6, whereby the shift finger 2 is fixed in position relative to the shift lock 4.
  • the locking grooves 9, 1 1 are arranged in the bore 6 with respect to the axis of rotation 1 a of the switching shaft 1 in the radial direction one behind the other.
  • the locking head 12 of the locking element 7 engages during assembly in a Arretierstoffrastnut 13 of the shift lock 4 to fix the shift finger 2 by means of the locking element 7 on the shift lock 4.
  • the Arretierstoffnrastnut 13 has at least one run-on slope 14, preferably two run-on slopes 14, soft on the Arretierstoffkopf 12 at a first switching operation after assembly and tightening a screw (not shown) to prevent rotation of the shift fork lock 4, can slide out of the Arretierstoffrastnut 13.
  • the locking means 7 from the first assembly load groove 9 is moved into the bore 6 into it.
  • the spring legs 5, 10 of the locking element 7 are resiliently compressed by a provided between the locking grooves 9, 1 1 Rastierkontur 16 until the spring projections 8 as shown in FIG. 4 engage in the second Radiorastnut 1 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

L'invention concerne un dispositif de commande d'une boîte de vitesses à engrenages de véhicule automobile, comprenant un arbre de commande (1) qui peut être tourné pour la commande de rapports et peut être coulissé de manière axiale pour la sélection de pistes de commande ; un doigt de commande (2) qui est relié de manière solidaire en rotation à l'arbre de commande (1) ; un système de blocage de commande (4) qui empêche une sélection d'autres pistes de commande dans le cas d'un rapport enclenché ; un moyen d'arrêt (7) qui permet, dans un premier état, d'arrêter le doigt de commande (2) et le système de blocage de commande (4) dans une position de commande de montage, le doigt de commande (2) et le système de blocage de commande (4) n'étant pas arrêtés dans la position de commande de montage dans un deuxième état du moyen d'arrêt (7). En outre, l'invention concerne un procédé de montage d'un dispositif de commande de ce type.
PCT/DE2018/100870 2017-10-25 2018-10-24 Dispositif de commande et procédé de montage d'un dispositif de commande WO2019080968A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR112020004534-9A BR112020004534A2 (pt) 2017-10-25 2018-10-24 dispositivo de mudança e método para a montagem de um dispositivo de mudança

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017124911 2017-10-25
DE102017124911.7 2017-10-25

Publications (1)

Publication Number Publication Date
WO2019080968A1 true WO2019080968A1 (fr) 2019-05-02

Family

ID=65996449

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2018/100870 WO2019080968A1 (fr) 2017-10-25 2018-10-24 Dispositif de commande et procédé de montage d'un dispositif de commande

Country Status (3)

Country Link
BR (1) BR112020004534A2 (fr)
DE (1) DE102018126456A1 (fr)
WO (1) WO2019080968A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4441138A1 (de) 1994-11-18 1996-05-23 Juergen Decker Fixierstift für ein Getriebe-Betätigungsorgan
EP0940606A2 (fr) * 1998-03-05 1999-09-08 Volkswagen Aktiengesellschaft Dispositif de verrouillage pour mécanisme de changement de vitesse
FR2885981A1 (fr) * 2005-05-20 2006-11-24 Peugeot Citroen Automobiles Sa Dispositif de blocage provisoire d'un levier de selection et de passage de vitesses d'une boite de vitesse d'un vehicule automobile
EP2138743A1 (fr) * 2008-06-25 2009-12-30 ZF Friedrichshafen AG Dispositif de commutation doté d'un verrouillage
DE102016219918A1 (de) 2016-10-13 2017-10-12 Schaeffler Technologies AG & Co. KG Transport- und/oder Montagesicherung
DE102017127358A1 (de) 2016-11-25 2018-05-30 Schaeffler Technologies AG & Co. KG Parksperre für ein Kraftfahrzeug

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4441138A1 (de) 1994-11-18 1996-05-23 Juergen Decker Fixierstift für ein Getriebe-Betätigungsorgan
EP0940606A2 (fr) * 1998-03-05 1999-09-08 Volkswagen Aktiengesellschaft Dispositif de verrouillage pour mécanisme de changement de vitesse
FR2885981A1 (fr) * 2005-05-20 2006-11-24 Peugeot Citroen Automobiles Sa Dispositif de blocage provisoire d'un levier de selection et de passage de vitesses d'une boite de vitesse d'un vehicule automobile
EP2138743A1 (fr) * 2008-06-25 2009-12-30 ZF Friedrichshafen AG Dispositif de commutation doté d'un verrouillage
DE102016219918A1 (de) 2016-10-13 2017-10-12 Schaeffler Technologies AG & Co. KG Transport- und/oder Montagesicherung
DE102017127358A1 (de) 2016-11-25 2018-05-30 Schaeffler Technologies AG & Co. KG Parksperre für ein Kraftfahrzeug

Also Published As

Publication number Publication date
DE102018126456A1 (de) 2019-04-25
BR112020004534A2 (pt) 2020-09-08

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